annotate artifacts/doc/datacage_ref_de.rst @ 8730:cb33de3434a8

(issue1754) Proper subtitle handling for Radius This deduplicates the subtitle and zoom / radius calculation code by moving it out of the processors. Doing this fixes cases where the subtitle would be removed when a the according filtered facet was removed although it should still have shown the Range for example. Range is now also added as a subtitle for the difference diagrams. This adds some tasty hack (with cheese) to determine wether or not the user has set the subtitle. See the comment in getChartSubtitlePure in LongitudinalSectionGenerator2 for details.
author Andre Heinecke <andre.heinecke@intevation.de>
date Thu, 30 Apr 2015 13:06:51 +0200
parents 081a57c80540
children
rev   line source
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1 =========
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2 Datenkorb
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3 =========
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4
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5
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6 .. contents:: Inhalt
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7
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8 Übersicht
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9 ---------
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10
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11 Der Datenkorb ist im Kern ein Dive4Elements/River eingebetteter Webdienst,
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12 der dazu dient, ein XML-Dokument zu generieren, das seinerseits benutzt
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13 werden kann, um Daten so identifizierbar zu machen, dass sie zu
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14 Projekten innerhalb von Dive4Elements/River hinzugeladen werden können.
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15
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16 Das vom Datenkorb erzeugte XML-Dokument wird dann vom D4E/River-Client in
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17 eine Baumansicht innerhalb der graphischen Benutzeroberfläche
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18 transformiert.
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19
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20 Die Grundlage für das XML-Doument, das an die Oberfäche gesandt wird,
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21 ist ein XML-Dokument namens ``meta-data.xml``, das im ``conf``-Verzeichnis
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22 des Servers als Template für die Ausgabe-XML benutzt wird.
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23
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24 Dieses Referenzhandbuch beschreibt die Strukturen innerhalb von
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25 ``metadata.xml``.
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26
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27 Grundstruktur
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28 -------------
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29
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30 Das Grundgerüst einer validen ``meta-data.xml`` sieht sieh so aus:
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31
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32 .. code:: xml
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33
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34 <xml version="1.0" encoding="UTF-8">
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35 <dc:template xmlns:dc="http://www.intevation.org/2011/Datacage">
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36 <datacage>
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37 ...
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38 </datacage>
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39 </dc:template>
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40
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41 Dies erzeugt folgendes Dokument:
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42
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43 .. code:: xml
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44
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45 <xml version="1.0" encoding="UTF-8">
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46 <datacage>
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47 ...
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48 </datacage>
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49
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50 Elemente, die nicht aus dem Namespace ``dc`` stammen, werden durchkopiert.
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51 ``dc``-Elemente dienen der Steuerung des Templating. Generell kann sagen,
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52 dass das ``meta-data.xml``-Template mittels einer
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53 rekursiven Tiefensuche (siehe http://de.wikipedia.org/wiki/Tiefensuche)
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54 über seine Elemente abgearbeitet wird.
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55
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56 Daten
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57 -----
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58 Im Datenkorb stehen zwei Arten von Daten zur Auswertung zur Verfügung.
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59
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60 ``Datensätze``
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61 ~~~~~~~~~~~~~~
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62 Datensätze sind Tabellen mit benannten Spalten. Sie werden von Datenquellen
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63 erzeugt und in einem Stapel verwaltet. Die konkreten Werte stehen erst durch
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64 Auffaltung als Variablen zur Verfügung.
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65
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66 ``Variablen``
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67 ~~~~~~~~~~~~~
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68 Variablen sind die Werte, die aktuell zur Auswertung zur Verfügung stehen. Sie haben
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69 einen Namen und einen Typ (String, Zahl, durch Datenquelle bestimmt).
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70
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71 Textersatz
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72 ----------
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73 Um die Wertebelegungen in das Ausgabedokument schreiben zu kann an entsprechenden
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74 Stellen eine String-Interpolation durchgeführt werden.
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75 Hier finden zwei Arten von Textersatz ihren Einsatz.
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76
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77 ``${}-Ersetzungen``
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78 ~~~~~~~~~~~~~~~~~~~
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79 Die ältere Variante. Innerhalb von Strings werden hier nur Variablen aufgelöst.
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80 Beispiel: "**Hallo, ${planet}!**" wird bei planet = 'Welt' zu "**Hallo, Welt!**".
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81
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82 ``{$}-Ersetzungen``
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83 ~~~~~~~~~~~~~~~~~~~
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84 Die neuere Variante, allerdings noch nicht komplett an allen Stellen einsatzfähig.
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85 Innerhalb der geschweiften Klammern können beliebige XPath-Ausdrück stehen, die
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86 zu Strings evaluiert werden. Dies orientiert sich an den String-Auswertungen in XSLT.
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87 "**{ concat($greet, ', ', $planet, '!') }**" wird bei gesetzten Variablen greet = Hallo
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88 und planet = "Welt" zu **Hallo, Welt!** ausgewertet.
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89
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90 Datenkorb-Elemente
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91 ------------------
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92
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93 Datensätze erzeugen
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94 ~~~~~~~~~~~~~~~~~~~
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95
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96 ``dc:context`` Aufspannen eines Gültigkeitsbereiches eines Datenbankdatensatz
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97 .............................................................................
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98
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99 .. code:: xml
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100
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101 <dc:context connection="Verbindung">
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102 ...
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103 </dc:element>
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104
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105 Spannt einen Gültigkeitsbereich für einen Datensatz auf, der aus der Datenbank
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106 kommt. Die adressierte Datenbank wird über das optionale Attribut 'connection'
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107 bestimmt. Zur Zeit sind drei Datenbanken angebunden:
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108
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109 - **user**: Die Index-Datenbank des Artefakt-Servers. Hierüber stehen Meta-Informationen
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110 zu alten Berechnungen zur Verfügung.
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111
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112 - **system**: Die FLYS-Datenbank mit den hydrologischen, morphologische und geodätischen
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113 Daten.
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114
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115 - **seddb**: Die Sediment-Datenbank.
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116
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117 In einem `<dc:context>`-Element wird zwingend ein `<dc:statement>`-Element erwartet,
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118 um einen Datensatz aus der Datenbank zu holen. Dieser Datensatz steht dann innerhalb des
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119 `<dc:context>`-Elementes ein oder mehrfach zur Verfügung. Innerhalb eines
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120 `<dc:context>`-Elementes können weitere `<dc:context>`-Elemente eingeschachtelt werden.
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121 Ist kein 'connection'-Attribut vorhanden, wird die Datenbank-Verbindung des umgebenen
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122 Kontextes weiterbenutzt. Initial wird je nach Aufrufart des Datenkorbs entweder
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123 der **user** oder **system**-Kontext angenommen. Dies richtet sich danach, ob in
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124 der Aufrufumgebung ein Artefakt gesetzt wird oder nicht. Im ersten Fall wird
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125 angenommen, dass es sich um einen Ladevorgang für zusätzliche Daten handelt, die
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126 auch alte Berechnungen mit einschließt.
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127
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128
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129 ``dc:statement`` Holen eines Datensatzes aus einer Datenbank
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130 ............................................................
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131
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132 .. code:: xml
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133
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134 <dc:statement>
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135 SQL-Select-Statement.
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136 </dc:statement>
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137
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138 Mittels eines SQL-Select-Statements werden in einem `<dc:context>` Elemente aus
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139 der dort definierten Datenbank geholt. Die Spaltennamen der Projektion des SQL-Statements
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140 werden übernommen und später beim Auffalten des Datensatzes benutzt.
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141
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142 ``dc:container-context`` Tabellarische Daten aus der Programm-Umgebung
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143 ......................................................................
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144
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145 .. code:: xml
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146
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147 <dc:container-context container="Container">
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148 ...
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149 </dc:container-context>
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150
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151 Dies spannt einen Kontext auf einem Container namens Container auf,
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152 einer listen-ähnlichen Struktur, die als externe Datenquellen in
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153 Form eines Java-Objekts an den Datenkorb übergeben werden kann.
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154 Dies müssen Klassen sein, die das Interface ``java.util.Collection``
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155 implementieren. Mit diesem Konstrukt ist es möglich, tabellarische
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156 Ergebnisse von außen in die Auswertung des Datenkorbs zu integrieren.
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157 Der Container muss hierfür über die Variable ``Container`` zur Verfügung
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158 gestellt werden. Die Spalten des Tabelle werden über ``dc:properties``
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159 definiert. Der Datensatz selbst kann wie gewohnt mittels ``dc:for-each``
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160 realisiert werden.
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161
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162 ``dc:properties`` Spaltendefinitionen für externe Daten aus der Programm-Umgebung
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163 .................................................................................
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164
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165 .. code:: xml
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166
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167 <dc:container-context container="Container">
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168 <dc:properties>
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169 <dc:property name="name" alias="alias"/>
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170 </dc:properties>
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171 </dc:container-context>
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172
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173 Muss innerhalb eines ``dc:container-context`` angegeben werden und enthält eine
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174 Liste von Attributen der Java-Objekte, die in den Datenkorb eingeblendet werden sollen.
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175 Die Auflösung der Namen auf der Java-Seite funktioniert nach Konvention von Java-Beans,
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176 sprich aus ``name`` wird ``getName``. ``alias`` ist optional und weisst explizit einen
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177 Spaltennamen aus. Dies entspricht im Wesentlichen einen 'AS' bei einem SQL-Statement.
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178
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179 Ein vollständigeres Beispiel könnte in etwa so aussehen.
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180 Die Java-Seite:
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181
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182 .. code:: java
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183
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184 public class Car {
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185
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186 private String marke;
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187 private String name;
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188
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189 public Car(String marke, String name) {
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190 this.marke = marke;
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191 this.name = name;
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192 }
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193
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194 public String getMarke() {
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195 return marke;
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196 }
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197
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198 public String getName() {
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199 return name;
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200 }
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201 }
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202
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203 // Liste befuellen.
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204
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205 java.util.Container<Car> container = new java.util.ArrayList<Car>();
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206
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207 container.add(new Car("Volvo", "V80"));
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208 container.add(new Car("Ferrari", "Testarossa"));
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209
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210 // Dem Datenkorb uebergeben.
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211
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212 parameters.put("CARS", cars);
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213
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214 Das Datenkorb-Schnipsel
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215
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216 .. code:: xml
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217
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218 <dc:container-context container="cars">
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219 <dc:properties>
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220 <dc:property name="marke" alias="brand" />
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221 <dc:property name="name" alias="type" />
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222 </dc:properties>
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223
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224 <cars>
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225 <dc:for-each>
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226 <car type="$type" brand="$brand" />
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227 </dc:for-each>
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228 </cars>
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229 </dc:container-context>
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230
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231 liefert dann folgende Ausgabe:
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232
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233 .. code:: xml
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234
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235 <cars>
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236 <car type="V80" brand="Volvo" />
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237 <car type="Testarossa" brand="Ferrari" />
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238 </cars>
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239
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240
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241
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242 ``dc:virtual-column`` Virtuelle Spalten definieren
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243 ..................................................
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244
d8ca7a1d522c Datacage ref doc: Explain dc:virtual-column.
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245 .. code:: xml
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246
d8ca7a1d522c Datacage ref doc: Explain dc:virtual-column.
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247 <dc:virtual-column name="Name" type="Type" expr="XPath-Ausdruck">
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248 ...
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249 </dc:virtual-column>
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250
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251 Definiert eine neue, virtuelle Spalte namens Name für den aktuellen Datensatz.
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252 Der Typ wird optional durch Typ festgelegt; ohne Angabe wird der Typ String angenommen.
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253 Die Wertebelegung ergibt sich aus der zeilenweisen Auswertung des XPath-Ausdrucks.
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254
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255 Dies sei an folgendem Beispiel illustriert:
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256
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257 +----+
d8ca7a1d522c Datacage ref doc: Explain dc:virtual-column.
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258 +Zahl+
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259 +====+
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260 + 1+
d8ca7a1d522c Datacage ref doc: Explain dc:virtual-column.
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261 +----+
d8ca7a1d522c Datacage ref doc: Explain dc:virtual-column.
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262 + 2+
d8ca7a1d522c Datacage ref doc: Explain dc:virtual-column.
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263 +----+
d8ca7a1d522c Datacage ref doc: Explain dc:virtual-column.
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264 + 3+
d8ca7a1d522c Datacage ref doc: Explain dc:virtual-column.
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265 +----+
d8ca7a1d522c Datacage ref doc: Explain dc:virtual-column.
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266
d8ca7a1d522c Datacage ref doc: Explain dc:virtual-column.
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267 .. code:: xml
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268
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269 <dc:virtual-column name="Quadrat" type="number" expr="$Zahl * $Zahl">
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270 ...
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271 </dc:virtual-column>
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272
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273 Erzeugt einen neuen Datensatz folgender Struktur:
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274
d8ca7a1d522c Datacage ref doc: Explain dc:virtual-column.
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275 +----+-------+
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276 +Zahl+Quadrat+
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277 +====+=======+
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278 + 1+ 1+
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279 +----+-------+
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280 + 2+ 4+
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281 +----+-------+
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282 + 3+ 9+
d8ca7a1d522c Datacage ref doc: Explain dc:virtual-column.
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283 +----+-------+
d8ca7a1d522c Datacage ref doc: Explain dc:virtual-column.
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284
d8ca7a1d522c Datacage ref doc: Explain dc:virtual-column.
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285 Innerhalb eines `virtual-column`-Elementes kann der Datensatz mittel `dc:for-each` wie
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286 gewohnt realisiert werden. Wird das `dc:virtual-column`-Element verlassen, gilt wieder
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287 der vormalige Datensatz ohne die zusätzlich Spalte.
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288
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289 Datensätze einschränken
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290 ~~~~~~~~~~~~~~~~~~~~~~~
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291
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292 ``dc:filter`` Selektieren einzelner Zeilen aus dem aktuellen Datensatz
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293 ......................................................................
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294
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295 .. code:: xml
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296
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297 <dc:filter expr="XPath-Ausdruck">
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298 ...
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299 </dc:filter>
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300
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301 Evaluiert pro Zeile des aktuellen Datensatzes den XPath-Ausdruck 'expr' und erzeugt
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302 einen neuen Datensatz, der nur die Zeilen des Originaldatensatzes enthält für den
b33a2a437ab8 Datacage ref doc: Explain dc:filter.
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303 die Auswertung logisch wahr ergab. Im XPath-Ausdruck stehen die aufgefalteten Werte
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304 der jeweiligen Zeile zur Verfügung.
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305
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306 Folgends Beispiel soll dies verdeutlichen:
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307
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308 +----+
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309 +Zahl+
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310 +====+
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311 + 1+
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312 +----+
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313 + 2+
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314 +----+
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315 + 3+
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316 +----+
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317 + 4+
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318 +----+
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319
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320 Zahlen erhalten, die einen Wert kleiner drei haben.
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321
b33a2a437ab8 Datacage ref doc: Explain dc:filter.
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322 .. code:: xml
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323
b33a2a437ab8 Datacage ref doc: Explain dc:filter.
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324 <dc:filter expr="$Zahl &lt; 3">
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325 ...
b33a2a437ab8 Datacage ref doc: Explain dc:filter.
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326 <dc:filter>
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327
b33a2a437ab8 Datacage ref doc: Explain dc:filter.
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diff changeset
328 Dies erzeugt folgenden neuen Datensatz:
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329
b33a2a437ab8 Datacage ref doc: Explain dc:filter.
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diff changeset
330 +----+
b33a2a437ab8 Datacage ref doc: Explain dc:filter.
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331 +Zahl+
b33a2a437ab8 Datacage ref doc: Explain dc:filter.
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diff changeset
332 +====+
b33a2a437ab8 Datacage ref doc: Explain dc:filter.
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333 + 1+
b33a2a437ab8 Datacage ref doc: Explain dc:filter.
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diff changeset
334 +----+
b33a2a437ab8 Datacage ref doc: Explain dc:filter.
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335 + 2+
b33a2a437ab8 Datacage ref doc: Explain dc:filter.
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diff changeset
336 +----+
b33a2a437ab8 Datacage ref doc: Explain dc:filter.
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337
b33a2a437ab8 Datacage ref doc: Explain dc:filter.
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diff changeset
338 Innerhalb des `dc:filter`-Elementes kann der neue Datensatz wie gewohnt mit `dc:for-each`
b33a2a437ab8 Datacage ref doc: Explain dc:filter.
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339 realisiert werden. Nach Verlassen des `dc:filter`-Elementes ist wieder der vormalige
b33a2a437ab8 Datacage ref doc: Explain dc:filter.
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340 Datensatz aktuell.
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53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
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341
7410
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342 .. _dc:group:
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343
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344 ``dc:group`` Datensätze in Gruppen ordnen
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345 ..........................................
7be4425eaca9 Datacage doc ref: Explain dc:group
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346
7be4425eaca9 Datacage doc ref: Explain dc:group
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347 .. code:: xml
7be4425eaca9 Datacage doc ref: Explain dc:group
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348
7be4425eaca9 Datacage doc ref: Explain dc:group
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349 <dc:group expr="XPath-Ausdruck">
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350 ...
7be4425eaca9 Datacage doc ref: Explain dc:group
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351 </dc:group>
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352
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353 Pro Zeile des Originaldatensatzes wird der XPath-Ausdruck 'expr' ausgewertet.
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354 Wie bei `dc:filter` stehen hier die aufgefalteten Werte der einzelnen Spalten zur
7be4425eaca9 Datacage doc ref: Explain dc:group
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355 Verfügung. Das Resultat der XPath-Auswertung wird als Schlüssel für zu erzeugende
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356 Gruppen benutzt, denen dann die Zeilen zugeordnet werden.
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diff changeset
357 Nachdem alle Zeilen ihren entsprechenden Gruppen zugeordnet wurden, wir der
7be4425eaca9 Datacage doc ref: Explain dc:group
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358 Inhalt des `dc:group`-Elements für jede Gruppe durchlaufen. Innerhalb des
7be4425eaca9 Datacage doc ref: Explain dc:group
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359 `dc:group`-Elementes steht der jeweilige Schlüssel der aktuellen Gruppe über
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diff changeset
360 die Funktion `dc:group-key()` zur Auswertung zu Verfügung. Innerhalb der
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361 jeweiligen Gruppen kann mittels `dc:for-each` der jeweilige Unterdatensatz
7322
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diff changeset
362 realisiert werden.
7be4425eaca9 Datacage doc ref: Explain dc:group
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363
7be4425eaca9 Datacage doc ref: Explain dc:group
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parents: 7321
diff changeset
364 Zur Verdeutlichung folgendes Beispiel:
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
365
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
366 +-------+-----------+
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
367 +Marke +Bezeichnung+
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
368 +=======+===========+
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
369 +Ferrari+Testarossa +
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
370 +-------+-----------+
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
371 +Volvo +V40 +
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
372 +-------+-----------+
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
373 +Volvo +780 +
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
374 +-------+-----------+
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
375 +Ferrari+F40 +
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
376 +-------+-----------+
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
377 +VW +Käfer +
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
378 +-------+-----------+
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
379
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
380 .. code:: xml
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
381
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
382 <marken>
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
383 <dc:group expr="$Marke">
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
384 <marke name="{dc:group-key()}">
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
385 <dc:for-each>
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
386 <bezeichnung name="$Bezeichnung"/>
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
387 </dc:for-each>
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
388 </marke>
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
389 </dc:group>
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
390 </marken>
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
391
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
392 Dies führt zu folgender Ausgabe:
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
393
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
394 .. code:: xml
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
395
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
396 <marken>
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
397 <marke name="Ferrari">
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
398 <bezeichnung name="F40"/>
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
399 <bezeichnung name="Testarossa"/>
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
400 </marke>
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
401 <marke name="Volvo">
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
402 <bezeichnung name="V40"/>
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
403 <bezeichnung name="780"/>
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
404 </marke>
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
405 <marke name="VW">
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
406 <bezeichnung name="Käfer"/>
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
407 </marke>
7be4425eaca9 Datacage doc ref: Explain dc:group
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7321
diff changeset
408 </marken>
7314
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
409
7960
fbab10c21e0b Datacage: Make it possible to group a value tuple into more than one group.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7907
diff changeset
410 Der Expr-Ausdruck kann mittels der Zeichenfolge '#!#' innerhalb des Ausdrucks
fbab10c21e0b Datacage: Make it possible to group a value tuple into more than one group.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7907
diff changeset
411 in mehrere Ausdrücke zerlegt werden. Damit ist es möglich, einen Wert
fbab10c21e0b Datacage: Make it possible to group a value tuple into more than one group.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7907
diff changeset
412 in mehrere Kategorien einzusortieren. Wird z.B. ein Film über den Zeitraum
fbab10c21e0b Datacage: Make it possible to group a value tuple into more than one group.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7907
diff changeset
413 von zwei Jahren gedreht und man möchte eine Liste von Filmen nach ihren
fbab10c21e0b Datacage: Make it possible to group a value tuple into more than one group.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7907
diff changeset
414 Produktionsjahren gruppieren, sollte der Film im Resulat in beiden Jahren auftauchen.
fbab10c21e0b Datacage: Make it possible to group a value tuple into more than one group.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7907
diff changeset
415
fbab10c21e0b Datacage: Make it possible to group a value tuple into more than one group.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7907
diff changeset
416 .. code:: xml
fbab10c21e0b Datacage: Make it possible to group a value tuple into more than one group.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7907
diff changeset
417
fbab10c21e0b Datacage: Make it possible to group a value tuple into more than one group.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7907
diff changeset
418 <dc:group expr="$start_jahr #!# $end_jahr">
fbab10c21e0b Datacage: Make it possible to group a value tuple into more than one group.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7907
diff changeset
419
7314
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
420 Datensätze auffalten
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
421 ~~~~~~~~~~~~~~~~~~~~
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
422
7319
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
423 ``dc:for-each`` Realisieren eines Datensatzes
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
424 .............................................
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
425
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
426 .. code:: xml
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
427
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
428 <dc:for-each>
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
429 ...
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
430 <dc:for-each>
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
431
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
432 Erzeugt nacheinander alle zeilenweisen Realisationen des aktuellen Datensatzes. Die
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
433 einzelnen Spaltenwerte sind dann über Variablen erreichbar, die nach den Spaltenbezeichnern
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
434 des Datenstzes benannt sind.
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
435
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
436 Folgendes Beispiel soll den Sachverhalt illustieren:
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
437
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
438 +----+
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
439 +Zahl+
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
440 +====+
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
441 + 1+
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
442 +----+
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
443 + 2+
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
444 +----+
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
445 + 3+
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
446 +----+
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
447
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
448 .. code:: xml
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
449
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
450 <zahlen>
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
451 <dc:for-each>
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
452 <zahl wert="$Zahl"/>
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
453 <dc:for-each>
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
454 </zahlen>
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
455
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
456 Dies erzeugt folgende Ausgabe:
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
457
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
458 .. code:: xml
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
459
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
460 <zahlen>
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
461 <zahl wert="1"/>
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
462 <zahl wert="2"/>
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
463 <zahl wert="3"/>
d29a5e703cc4 Datacage ref doc: Explain dc:for-each
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7318
diff changeset
464 </zahlen>
7255
5783bd29de8a First draft of a german reference document for datacage elements and functions written in reStructuredText. Lots of TODOs.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
465
5783bd29de8a First draft of a german reference document for datacage elements and functions written in reStructuredText. Lots of TODOs.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
466 ``dc:iterate`` **TODO**
5783bd29de8a First draft of a german reference document for datacage elements and functions written in reStructuredText. Lots of TODOs.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
467
7320
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
468 Bedingte Ausführung
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
469 ~~~~~~~~~~~~~~~~~~~
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
470
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
471 ``<dc:if>`` Einfaches Wenn-Dann ohne Sonst-Fall
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
472 ...............................................
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
473
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
474 .. code:: xml
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
475
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
476 <dc:if test="XPath-Ausdruck">
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
477 ...
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
478 </dc:if>
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
479
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
480 Der innere Teil wird nur dann betreten, wenn der XPath-Ausdruck zu
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
481 logisch wahr evaluiert wird. Dieses Konstrukt kennt keinen alternativen
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
482 Pfad, der betreten wird, falls der Ausdruck zu logisch falsch ausgewertet
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
483 wird. Wird dies benötigt, muss man ``<dc:choose>`` benutzen.
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
484 ``<dc:if>`` ist in Symmetrie zu ``<xsl:if>`` von XSLT entworfen worden.
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
485
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
486 ``<dc:choose>`` Ketten von Wenn-Dann-Ausdrücken
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
487 ...............................................
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
488
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
489 .. code:: xml
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
490
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
491 <dc:choose>
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
492 <dc:when test="XPath-Ausdruck 1"> ... </dc:when>
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
493 <dc:when test="XPath-Ausdruck 2"> ... </dc:when>
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
494 ...
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
495 <dc:otherwise> ... </dc:otherwise>
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
496 </dc:choose>
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
497
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
498 Es werden der Reihe nach von oben nach unter die ``test``-XPath-Ausdrücke der ``dc:when``-Elemente ausgewertet. Evaluiert ein Ausdruck zu logisch wahr, wird der innere Teil des entsprechenden ``<dc:when>``-Elements betreten. Die verbliebenen
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
499 ``<dc:when>``- und ``<dc:otherwise>``-Elemente werden dann ignoriert. Evaluiert
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
500 keiner der ``test``-Ausdrücke zu wahr, wird der innere Teil des
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
501 ``<dc:otherwise>``-Elements betreten.
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
502 ``<dc:choose>`` ist in Symmetrie zu ``<xsl:choose>`` von XSLT entworfen worden.
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
503
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
504
22c85b8232cc Datacage ref doc: Move dc:if & dc:choose up because they are more important than other elements.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7319
diff changeset
505
7314
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
506 Makros
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
507 ~~~~~~
7317
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
508 Um innerhalb des Definitionsdokumentes Wiederholungen zu vermeiden, können sogenannte
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
509 Makros definiert werden, die dann von anderer Stellen aus eingefügt werden können.
7255
5783bd29de8a First draft of a german reference document for datacage elements and functions written in reStructuredText. Lots of TODOs.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
510
7317
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
511 ``dc:macro`` Wiederverwendbare Teile definieren
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
512 ...............................................
7255
5783bd29de8a First draft of a german reference document for datacage elements and functions written in reStructuredText. Lots of TODOs.
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parents:
diff changeset
513
7317
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
514 .. code:: xml
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
515
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
516 <dc:macro name="Name">
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
517 ...
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
518 </dc:macro>
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
519
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
520 Definiert ein Makro namens Name. Nach der Definition ist dieses dann unter diesem
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
521 Namen global innerhalb des Definitionsdokumentes bekannt. Makros können geschachtelt
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
522 werden. Auch eingeschachtelte Makros sind global sichtbar. Die Makrodefinition und
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
523 ihre eingeschalteten Elemente werden nicht in das Ausgabedokument übernommen.
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
524
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
525 ``dc:call-macro`` Makros aufrufen
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
526
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
527 .. code:: xml
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
528
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
529 <dc:call-macro name="Name">
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
530
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
531 Ruft ein Makro names Name auf. Dieses muss mit `dc:macro` definiert sein. Die Reihenfolge
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
532 von Definition und Aufruf ist egal.
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
533
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
534 ``dc:macro-body`` Elemente an ein Makro übergeben
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
535 .................................................
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
536
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
537 .. code:: xml
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
538
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
539 <dc:macro name="Name">
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
540 ...
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
541 <dc:macro-body/>
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
542 ...
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
543 </dc:macro>
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
544
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
545 Um an Makros weitere Bausteine als Argument übergeben zu können, ist es optional
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
546 möglich innerhalb einer Makrodefinition ein Element `dc:macro-body` einzufügen.
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
547 Dieses Element expandiert sich zum Inhalt des `dc:call-macro`-Aufrufs.
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
548
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
549 .. code:: xml
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
550
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
551 <dc:call-macro name="Name">Inhalt von dc:macro-body</dc:call-macro>
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
552
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
553 Zur Verdeutlichung ein konkretes Beispiel
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
554
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
555 .. code:: xml
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
556
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
557 <dc:macro name="Greetings">
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
558 <Hallo>
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
559 <dc:macro-body/>
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
560 </Hallo>
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
561 </dc:macro>
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
562
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
563 <dc:call-macro name="Greetings">Welt</dc:call-macro>
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
564 <dc:call-macro name="Greetings">Mond</dc:call-macro>
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
565
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
566 Dies produziert folgende Ausgabe
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
567
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
568 .. code:: xml
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
569
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
570 <Hallo>Welt</Hallo>
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
571 <Hallo>Mond</Hallo>
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
572
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
573 Das Haupteinsatzgebiet dieses Konstruktes ist die transparente Bereitstellung
00b17e77c2e8 Datacage ref doc: Explain dc:macro & Co.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7316
diff changeset
574 von Kontexten, die dann verschiedentlich ausgewertet werden sollen.
7255
5783bd29de8a First draft of a german reference document for datacage elements and functions written in reStructuredText. Lots of TODOs.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
575
7314
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
576 Sonstige Elemente
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
577 ~~~~~~~~~~~~~~~~~
7255
5783bd29de8a First draft of a german reference document for datacage elements and functions written in reStructuredText. Lots of TODOs.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
578
7314
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
579 ``dc:element`` Hinzufügen neuer Elemente in der Ausgabe
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
580 .......................................................
7255
5783bd29de8a First draft of a german reference document for datacage elements and functions written in reStructuredText. Lots of TODOs.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
581
7314
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
582 .. code:: xml
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
583
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
584 <dc:element name="Name">
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
585 ...
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
586 </dc:element>
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
587
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
588 Erzeugt ein Element namens Name. Für den Namen gelten die `${}-Ersetzungen`_.
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
589
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
590
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
591 ``dc:attribute`` Hinzufügen neuer Attribute zum umgebenden Ausgabeelement
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
592 .........................................................................
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
593
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
594 .. code:: xml
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
595
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
596 <dc:attribute name="Name" value="Wert"/>
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
597
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
598 Fügt dem umgebenden Ausgabeelement ein weiteres Attribut namens Name mit dem
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
599 Wert von Wert hinzu. Für Namen und Wert gelten die `${}-Ersetzungen`_.
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
600 Der Einsatz dieses Konstrukts findet häufig im Zusammenhang mit dc:element
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
601 seinen Einsatz, wenn es ein Ausgabeelement vollständig aus Variablenbelegungen
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
602 erstellt werden soll.
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
603
7315
8498fdd71a1e Dataage ref doc: Explain dc:context, dc:comment
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7314
diff changeset
604 ``dc:comment`` Kommentare im Beschreibungsdokument
8498fdd71a1e Dataage ref doc: Explain dc:context, dc:comment
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7314
diff changeset
605 ..................................................
7316
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
606
7315
8498fdd71a1e Dataage ref doc: Explain dc:context, dc:comment
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7314
diff changeset
607 .. code:: xml
7314
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
608
7315
8498fdd71a1e Dataage ref doc: Explain dc:context, dc:comment
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7314
diff changeset
609 <dc:comment>
8498fdd71a1e Dataage ref doc: Explain dc:context, dc:comment
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7314
diff changeset
610 ...
8498fdd71a1e Dataage ref doc: Explain dc:context, dc:comment
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7314
diff changeset
611 </dc:comment>
7314
53d1dd441867 Datacage ref doc: More structure. Explain text interpolation.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7255
diff changeset
612
7315
8498fdd71a1e Dataage ref doc: Explain dc:context, dc:comment
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7314
diff changeset
613 Ein Kommentar auf Ebene des Beschreibungsdokumentes, das keinerlei Ausgabe
8498fdd71a1e Dataage ref doc: Explain dc:context, dc:comment
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7314
diff changeset
614 im Ausgabedokument erzeugt. Eingeschachtelte Elemente werden ebenfalls nicht ausgewertet.
8498fdd71a1e Dataage ref doc: Explain dc:context, dc:comment
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7314
diff changeset
615 Im Gegensatz dazu werden die XML-typischen **<!-- Kommetare -->** in das Ausgabedokument übernommen!
8498fdd71a1e Dataage ref doc: Explain dc:context, dc:comment
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7314
diff changeset
616
7255
5783bd29de8a First draft of a german reference document for datacage elements and functions written in reStructuredText. Lots of TODOs.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
617
7316
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
618 ``dc:message`` Ausgabe auf die Diagnoseausgabe (Log)
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
619 ....................................................
7255
5783bd29de8a First draft of a german reference document for datacage elements and functions written in reStructuredText. Lots of TODOs.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
620
7316
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
621 .. code:: xml
7255
5783bd29de8a First draft of a german reference document for datacage elements and functions written in reStructuredText. Lots of TODOs.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
622
7316
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
623 <dc:message>
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
624 Text für die Diagnose.
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
625 </dc:message>
7255
5783bd29de8a First draft of a german reference document for datacage elements and functions written in reStructuredText. Lots of TODOs.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
626
7316
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
627 Gibt den Text innerhalb des Elementes aus Ausgabe im Log aus. Dies dient in erster Linie
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
628 dem Nachvollziehen von Aufrufen innerhalb des Datenkorbdokumentes. Für den Text gelten
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
629 die `{$}-Ersetzungen`_.
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
630
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
631 ``dc:variable`` Erzeugung einer kontext-lokalen Variablen
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
632 .........................................................
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
633
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
634 .. code:: xml
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
635
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
636 <dc:variable name="Name" type="Typ" expr="XPath-Ausdruck"/>
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
637
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
638 Legt im aktuellen Kontext eine lokale Variable namens Name an. Diese hat den
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
639 Typ Typ und entsteht durch Auswertung des XPath-Ausdruck expr. Der Typ
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
640 ist optional. Wird dieser nicht gesetzt, wird das Ergebnis als String interpretiert.
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
641 Alternativ können hier die Werte 'number' für Zahlen, 'bool' für Boolean-Werte
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
642 benutzt werden. Für den Namen und den Typ gelten die `${}-Ersetzungen`_.
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
643 Wird der aktuellen `dc:context` verlassen, ist diese Variable nicht mehr definiert.
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
644
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
645
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
646 ``dc:convert`` kontext-lokale Konvertierung von Variablen
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
647 .........................................................
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
648
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
649 .. code:: xml
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
650
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
651 <dc:convert name="Name" type="Typ"/>
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
652
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
653 Konvertiert die Variable namens Name für die Gültigkeit des aktuellen Kontextes in
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
654 einen anderen Typ. Für Name und Typ gelten die `${}-Ersetzungen`_. Für die
52bc38e6bbe1 Datacage ref doc: Explain dc:variable and dc:convert.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7315
diff changeset
655 Typen gilt das gleiche wie für die Typen von `dc:variable`.
7255
5783bd29de8a First draft of a german reference document for datacage elements and functions written in reStructuredText. Lots of TODOs.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
656
5783bd29de8a First draft of a german reference document for datacage elements and functions written in reStructuredText. Lots of TODOs.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
657
5783bd29de8a First draft of a german reference document for datacage elements and functions written in reStructuredText. Lots of TODOs.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
658 Datenkorb-Funktionen
5783bd29de8a First draft of a german reference document for datacage elements and functions written in reStructuredText. Lots of TODOs.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
659 --------------------
5783bd29de8a First draft of a german reference document for datacage elements and functions written in reStructuredText. Lots of TODOs.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
660
7410
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
661 ``dc:has-result`` Prüfen, ob der aktuelle Datensatz nicht leer ist
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
662 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
663
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
664 ``dc:has-result()`` liefert logisch wahr zurück, falls der aktuelle
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
665 Datensatz nicht leer ist, sprich Datenzeilen enthält. Ansonsten wird
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
666 logisch falsch zurück gegeben. Mittels dieser Funktion können leere
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
667 Knoten im Resultatdokument verhindert werden. Die typische Nutzung
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
668 ist daher innerhalb des ``test``-Attributs eines ``<dc:if>``-Elements.
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
669
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
670 ``dc:contains`` Prüfen, ob Suchbegriff in einer Liste vorhanden ist
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
671 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
672
8431
f1bc081210ea Load sounding width via recommendations for bed height differences and cleanup and fix related bed height macros.
Tom Gottfried <tom@intevation.de>
parents: 8388
diff changeset
673 ``dc:contains(Heuhaufen, Nadel)`` prüft ob das Suchobjekt Nadel in
7410
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
674 der Liste Heufhaufen zu finden ist. Liefert logisch wahr falls die
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
675 Nadel gefunden wurde, ansonsten logisch falsch. Typischer Anwendungsfall:
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
676 ``dc:contains($outs, 'longitudinal-section')`` prüft, ob in der Liste
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
677 der aktuellen Outs der Eintrag 'longitudinal-section' zu finden ist.
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
678
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
679 ``dc:replace`` Textersatz in Strings
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
680 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
681
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
682 ``dc:replace(Heuhaufen, Nadel, Ersatz)`` ersetzt in im String Heuhaufen alle
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
683 Vorkommen des Strings Nadel durch den String Ersatz. ``dc:replace('Banane', 'a', 'e')``
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
684 resultiert folglich in dem String ``Benene``.
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
685
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
686 ``dc:replace-all`` Textersatz in Strings mit regulären Ausdrücken
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
687 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
688
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
689 ``dc:replace-all(Heuhaufen, Nadel, Ersatz)`` ersetzt in im String Heuhaufen alle
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
690 Vorkommen des regulären Ausdrucks durch den String Ersatz. Auf im regulären Ausdruck
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
691 gebildete Gruppen ``()`` kann mit ``$1``, ``$2``, ``$3`` usw. im Ersatztext zurückgegriffen werden.
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
692 ``dc:replace-all('KlausGabiPeter', '(Klaus|Peter)', '>$1<')`` resultiert demnach
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
693 in ``>Klaus<Gabi>Peter<``.
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
694
7415
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
695 ``dc:find-all`` Extraktion von Strings aus einem String anhand eines regulären Ausdrucks
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
696 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
697
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
698 ``dc:find-all(Nadel, Heuhaufen)`` extrahiert aus einem String Heuhaufen all jene Substrings,
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
699 die auf den regulären Ausdruck Nadel passen. Das Resultat dieser Funktion ist eine Liste
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
700 von Strings. Sie ist leer, wenn das Muster nicht gefunden wurde.
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
701
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
702 ``dc:find-all('\d{4}', '1900 1930 1941 1960')`` liefert dem entsprechend die Liste
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
703 ``'1900'``, ``'1930'``, ``'1941'``, ``'1960'``.
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
704
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
705 ``dc:date-format`` Formatierte Ausgabe eines Datums
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
706 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
707
7907
b3534220aac7 Fixed typos in datacage manual.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7416
diff changeset
708 ``dc:date-format(Format, Datum)`` liefert für ein Datum einen String, der
7415
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
709 nach den Formatierungsregeln aus Format formatiert wird. Für die Formatierungen
8460
081a57c80540 Accept number as argument in dc:date-format().
Tom Gottfried <tom@intevation.de>
parents: 8431
diff changeset
710 gelten die in SimpleFormat_ beschriebenen Regeln. ``Datum`` kann dabei ein
081a57c80540 Accept number as argument in dc:date-format().
Tom Gottfried <tom@intevation.de>
parents: 8431
diff changeset
711 Datums-Objekt oder eine Zahl sein. Letztere wird als Millisekunden nach dem
081a57c80540 Accept number as argument in dc:date-format().
Tom Gottfried <tom@intevation.de>
parents: 8431
diff changeset
712 1.1.1970 00:00:00 GMT interpretiert.
7415
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
713
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
714 .. _SimpleFormat: http://docs.oracle.com/javase/6/docs/api/java/text/SimpleDateFormat.html
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
715
8119
a9a6414b3563 Format timestamps in datacage tooltip for porosities.
"Tom Gottfried <tom@intevation.de>"
parents: 8077
diff changeset
716 ``dc:date-format('dd.MM.yyyy', $datum)`` liefert für ein ``$datum``
a9a6414b3563 Format timestamps in datacage tooltip for porosities.
"Tom Gottfried <tom@intevation.de>"
parents: 8077
diff changeset
717 mit dem Wert 1. Dezember 1941 den String ``01.12.1941``.
7415
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
718
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
719
7410
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
720 ``dc:group-key`` Wert des aktuellen Gruppierungsschlüssels
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
721 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
722
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
723 Siehe hierzu `dc:group`_.
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
724
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
725 ``dc:dump-variables`` Aktuelle Variablenbelegung als String
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
726 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
727
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
728 ``dc:dump-variables()`` liefert einen String mit der aktuellen Belegung aller Variablen.
0e56d7b4b38c Datacage ref doc: More doc for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7403
diff changeset
729 Dies ist zusammen mit ``dc:message`` nützlich, um eine Ablaufverfolgung zu implementieren.
7255
5783bd29de8a First draft of a german reference document for datacage elements and functions written in reStructuredText. Lots of TODOs.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
730
7415
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
731 ``dc:get`` Dynamische Variablenauswertung
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
732 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
7255
5783bd29de8a First draft of a german reference document for datacage elements and functions written in reStructuredText. Lots of TODOs.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
733
7415
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
734 ``dc:get(Variablenname)`` ermöglicht es, eine Variable über ihren Namen als String
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
735 auszuwerten. Gegenüber der normalen XPath-Variablenauswertung kann die Variable auch
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
736 null liefern. Bis auf diese Ausnahme ist der Aufruf ``dc:get('a')`` identisch zu ``$a``
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
737 in XPath-Kontexten.
7255
5783bd29de8a First draft of a german reference document for datacage elements and functions written in reStructuredText. Lots of TODOs.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
738
7416
f26e7d386d8c Datacage ref doc: More docs on functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7415
diff changeset
739 ``dc:max-number`` Bestimmung des Maximums einer Liste von Zahlen
f26e7d386d8c Datacage ref doc: More docs on functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7415
diff changeset
740 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
7255
5783bd29de8a First draft of a german reference document for datacage elements and functions written in reStructuredText. Lots of TODOs.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
741
7416
f26e7d386d8c Datacage ref doc: More docs on functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7415
diff changeset
742 ``dc:max-number($liste)`` Ermittelt aus einer Liste von Zahlen das Maximum. Strings werden dabei in Zahlen umgewandelt.
f26e7d386d8c Datacage ref doc: More docs on functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7415
diff changeset
743
f26e7d386d8c Datacage ref doc: More docs on functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7415
diff changeset
744 ``dc:max-number(dc:find-all('\d{4}', '1900 1930 1941 1960'))`` liefert also ``1960``.
f26e7d386d8c Datacage ref doc: More docs on functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7415
diff changeset
745
f26e7d386d8c Datacage ref doc: More docs on functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7415
diff changeset
746
f26e7d386d8c Datacage ref doc: More docs on functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7415
diff changeset
747 ``dc:min-number`` Bestimmung des Minimums einer Liste von Zahlen
f26e7d386d8c Datacage ref doc: More docs on functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7415
diff changeset
748 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
f26e7d386d8c Datacage ref doc: More docs on functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7415
diff changeset
749
f26e7d386d8c Datacage ref doc: More docs on functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7415
diff changeset
750 ``dc:min-number($liste)`` Ermittelt aus einer Liste von Zahlen das Minimum. Strings werden dabei in Zahlen umgewandelt.
f26e7d386d8c Datacage ref doc: More docs on functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7415
diff changeset
751
f26e7d386d8c Datacage ref doc: More docs on functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7415
diff changeset
752 ``dc:min-number(dc:find-all('\d{4}', '1900 1930 1941 1960'))`` liefert also ``1960``.
f26e7d386d8c Datacage ref doc: More docs on functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7415
diff changeset
753
f26e7d386d8c Datacage ref doc: More docs on functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7415
diff changeset
754
f26e7d386d8c Datacage ref doc: More docs on functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7415
diff changeset
755
7255
5783bd29de8a First draft of a german reference document for datacage elements and functions written in reStructuredText. Lots of TODOs.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff changeset
756
7415
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
757 ``dc:fromValue`` **TODO**
7400
dd87e0a5f83c Datacage: Added TODOs for new functions in ref document.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7379
diff changeset
758
7415
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
759 ``dc:toValue`` **TODO**
f5948a07f317 Datacage ref doc: More docs for functions.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 7410
diff changeset
760
8306
33d90858b2dc Remove duplications from discharge prototypes and put it all together.
"Tom Gottfried <tom@intevation.de>"
parents: 8119
diff changeset
761 ``dc:coalesce`` **TODO**
33d90858b2dc Remove duplications from discharge prototypes and put it all together.
"Tom Gottfried <tom@intevation.de>"
parents: 8119
diff changeset
762

http://dive4elements.wald.intevation.org