Mercurial > dive4elements > river
annotate gwt-client/src/main/java/org/dive4elements/river/client/client/ui/LocationPanel.java @ 7934:71a2e408adca
Moved info stack section to top level widget (parameterlist).
author | Raimund Renkert <rrenkert@intevation.de> |
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date | Tue, 17 Jun 2014 09:47:45 +0200 |
parents | ea9eef426962 |
children | 5e38e2924c07 |
rev | line source |
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde |
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2 * Software engineering by Intevation GmbH |
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3 * |
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4 * This file is Free Software under the GNU AGPL (>=v3) |
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the |
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6 * documentation coming with Dive4Elements River for details. |
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7 */ |
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8 |
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9 package org.dive4elements.river.client.client.ui; |
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10 |
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11 import com.google.gwt.core.client.GWT; |
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12 import com.google.gwt.i18n.client.NumberFormat; |
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13 |
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14 import com.smartgwt.client.data.Record; |
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15 import com.smartgwt.client.util.SC; |
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16 import com.smartgwt.client.widgets.Canvas; |
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17 import com.smartgwt.client.widgets.Label; |
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18 import com.smartgwt.client.widgets.form.fields.FormItem; |
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19 import com.smartgwt.client.widgets.form.fields.events.BlurEvent; |
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20 import com.smartgwt.client.widgets.form.fields.events.BlurHandler; |
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21 import com.smartgwt.client.widgets.grid.events.RecordClickEvent; |
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22 import com.smartgwt.client.widgets.layout.HLayout; |
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23 import com.smartgwt.client.widgets.layout.VLayout; |
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24 |
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25 import org.dive4elements.river.client.shared.model.Data; |
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26 import org.dive4elements.river.client.shared.model.DataItem; |
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27 import org.dive4elements.river.client.shared.model.DataList; |
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28 |
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29 import java.util.ArrayList; |
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30 import java.util.List; |
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31 |
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32 /** |
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33 * This UIProvider serves as base for UI Providers to enter a single location (km). |
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34 */ |
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35 public abstract class LocationPanel |
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36 extends AbstractUIProvider |
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37 { |
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38 private static final long serialVersionUID = -5306604428440015046L; |
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39 |
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40 /** A container that will contain the location or the distance panel. */ |
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41 protected HLayout inputLayout; |
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42 |
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43 /** The minimal value that the user is allowed to enter. */ |
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44 protected double min; |
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45 |
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46 /** The maximal value that the user is allowed to enter. */ |
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47 protected double max; |
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48 |
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49 /** The values entered in the location mode. */ |
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50 protected double[] values; |
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51 |
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52 /** Name of the data item that keeps this location(s). */ |
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53 protected String dataItemName; |
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54 |
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55 /** The input panel for locations. */ |
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56 protected DoubleArrayPanel locationPanel; |
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57 |
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58 |
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59 /** |
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60 * Creates a new LocationDistancePanel instance. |
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61 */ |
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62 public LocationPanel() { |
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63 values = new double[0]; |
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64 } |
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65 |
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66 |
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67 /** |
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68 * This method creates a widget that contains a label, a panel with |
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69 * checkboxes to switch the input mode between location and distance input, |
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70 * and a mode specific panel. |
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71 * |
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72 * @param data The data that might be inserted. |
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73 * |
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74 * @return a panel. |
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75 */ |
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76 @Override |
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77 public Canvas create(DataList data) { |
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78 findDataItemName(data); |
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79 |
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80 VLayout layout = new VLayout(); |
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81 layout.setMembersMargin(10); |
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82 |
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83 // Subclass uses translated data items name as label. |
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84 Label label = new Label(MSG.location()); |
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85 Canvas widget = createWidget(data); |
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86 Canvas submit = getNextButton(); |
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87 |
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88 initDefaults(data); |
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89 |
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90 widget.setHeight(50); |
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91 label.setHeight(25); |
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92 |
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93 layout.addMember(label); |
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94 layout.addMember(widget); |
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95 layout.addMember(submit); |
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96 |
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97 return layout; |
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98 } |
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99 |
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100 |
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101 /** Store label of first data item in list. */ |
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102 public void findDataItemName(DataList list) { |
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103 this.dataItemName = list.getAll().get(0).getLabel(); |
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104 } |
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105 |
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106 |
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107 /** Get label of first data item that this uiprovider has seen. */ |
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108 public String getDataItemName() { |
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109 return this.dataItemName; |
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110 } |
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111 |
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112 |
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113 /** |
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114 * This method creates a Canvas element showing the old Data objects in the |
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115 * DataList <i>data</i>. |
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116 */ |
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117 @Override |
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118 public Canvas createOld(DataList dataList) { |
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119 findDataItemName(dataList); |
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120 |
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121 List<Data> items = dataList.getAll(); |
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122 Data dLocation = getData(items, getDataItemName()); |
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123 DataItem[] loc = dLocation.getItems(); |
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124 |
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125 HLayout layout = new HLayout(); |
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126 layout.setWidth("400px"); |
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127 |
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128 Label label = new Label(dataList.getLabel()); |
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129 label.setWidth("200px"); |
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130 |
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131 Canvas back = getBackButton(dataList.getState()); |
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132 |
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133 // TODO evaluate: isn't this what findDataItemName is doing? |
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134 Label selected = new Label(loc[0].getLabel()); |
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135 selected.setWidth("130px"); |
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136 |
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137 layout.addMember(label); |
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138 layout.addMember(selected); |
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139 layout.addMember(back); |
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140 |
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141 return layout; |
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142 } |
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143 |
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144 |
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145 /** |
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146 * This method reads the default values defined in the DataItems of the Data |
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147 * objects in <i>list</i>. |
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148 * |
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149 * @param list The DataList container that stores the Data objects. |
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150 */ |
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151 protected void initDefaults(DataList list) { |
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152 Data data = list.get(0); |
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153 |
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154 DataItem[] items = data.getItems(); |
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155 DataItem iMin = getDataItem(items, "min"); |
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156 DataItem iMax = getDataItem(items, "max"); |
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157 |
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158 try { |
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159 min = Double.parseDouble(iMin.getStringValue()); |
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160 max = Double.parseDouble(iMax.getStringValue()); |
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161 } |
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162 catch (NumberFormatException nfe) { |
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163 SC.warn(MSG.error_read_minmax_values()); |
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164 min = -Double.MAX_VALUE; |
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165 max = Double.MAX_VALUE; |
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166 } |
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167 |
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168 DataItem def = data.getDefault(); |
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169 String value = def.getStringValue(); |
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170 |
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171 try { |
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172 double d = Double.parseDouble(value); |
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173 setLocationValues(new double[] { d } ); |
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174 } |
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175 catch (NumberFormatException nfe) { |
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176 // could not parse, don't know what else to do |
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177 GWT.log("LocationPanel", nfe); |
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178 } |
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179 } |
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180 |
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181 |
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182 /** |
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183 * This method grabs the Data with name <i>name</i> from the list and |
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184 * returns it. |
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185 * |
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186 * @param items A list of Data. |
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187 * @param name The name of the Data that we are searching for. |
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188 * |
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189 * @return the Data with the name <i>name</i>. |
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190 */ |
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191 @Override |
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192 protected Data getData(List<Data> data, String name) { |
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193 for (Data d: data) { |
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194 if (name.equals(d.getLabel())) { |
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195 return d; |
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196 } |
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197 } |
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198 |
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199 return null; |
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200 } |
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201 |
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202 |
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203 protected Canvas createWidget(DataList data) { |
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204 VLayout layout = new VLayout(); |
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205 inputLayout = new HLayout(); |
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206 |
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207 // The initial view will display the location input mode. |
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208 locationPanel = new DoubleArrayPanel( |
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209 MSG.unitLocation(), |
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210 getLocationValues(), |
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211 new BlurHandler(){@Override |
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212 public void onBlur(BlurEvent be) {}}); |
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213 |
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214 // TODO Remove picker references, refactor such that subclasses can |
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215 // easily use their picker if they want. |
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216 //picker.getLocationTable().setAutoFetchData(true); |
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217 |
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218 inputLayout.addMember(locationPanel); |
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219 |
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220 layout.addMember(inputLayout); |
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221 |
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222 inputLayout.setMembersMargin(30); |
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223 |
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224 /* |
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225 //picker.prepareFilter(); |
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226 helperContainer.addMember(picker.getLocationTable()); |
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227 helperContainer.addMember(picker.getFilterLayout()); |
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228 helperContainer.addMember(picker.getResultCountForm()); |
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229 */ |
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230 return layout; |
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231 } |
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232 |
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233 |
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234 @Override |
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235 public List<String> validate() { |
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236 List<String> errors = new ArrayList<String>(); |
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237 NumberFormat nf = NumberFormat.getDecimalFormat(); |
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238 |
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239 saveLocationValues(locationPanel); |
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240 |
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241 if (!locationPanel.validateForm()) { |
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242 errors.add(MSG.wrongFormat()); |
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243 return errors; |
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244 } |
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245 |
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246 double[] values = getLocationValues(); |
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247 double[] good = new double[values.length]; |
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248 int idx = 0; |
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249 |
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250 for (double value: values) { |
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251 if (value < min || value > max) { |
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252 String tmp = MSG.error_validate_range(); |
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253 tmp = tmp.replace("$1", nf.format(value)); |
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254 tmp = tmp.replace("$2", nf.format(min)); |
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|
255 tmp = tmp.replace("$3", nf.format(max)); |
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256 errors.add(tmp); |
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257 } |
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258 else { |
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259 good[idx++] = value; |
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260 } |
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261 } |
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262 |
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263 double[] justGood = new double[idx]; |
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264 for (int i = 0; i < justGood.length; i++) { |
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265 justGood[i] = good[i]; |
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266 } |
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267 |
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268 if (!errors.isEmpty()) { |
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269 locationPanel.setValues(justGood); |
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270 } |
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271 |
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272 return errors; |
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273 } |
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274 |
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275 |
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276 /** |
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277 * Validates and stores all values entered in the location mode. |
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278 * |
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279 * @param p The DoubleArrayPanel. |
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280 */ |
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281 protected void saveLocationValues(DoubleArrayPanel p) { |
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282 FormItem[] formItems = p.getFields(); |
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283 |
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284 for (FormItem item: formItems) { |
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285 if (item.getFieldName().equals(DoubleArrayPanel.FIELD_NAME)) { |
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286 saveLocationValue(p, item); |
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287 } |
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288 } |
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289 } |
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290 |
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291 |
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292 /** |
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293 * Validates and stores a value entered in the location mode. |
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294 * |
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295 * @param p The DoubleArrayPanel. |
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296 * @param item The item that needs to be validated. |
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297 */ |
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298 protected void saveLocationValue(DoubleArrayPanel p, FormItem item) { |
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299 if (p.validateForm(item)) { |
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300 setLocationValues(p.getInputValues(item)); |
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301 } |
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302 } |
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303 |
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304 |
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305 /** Get the location values. */ |
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306 protected double[] getLocationValues() { |
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307 return values; |
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308 } |
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309 |
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310 |
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311 /** Sets Location values and updates the panel. */ |
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312 protected void setLocationValues(double[] values) { |
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313 this.values = values; |
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314 locationPanel.setValues(values); |
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315 } |
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316 |
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317 |
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318 /** |
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319 * Callback when an item from the input helper was clicked. |
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320 * Set the respective km-value in the location value field. |
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321 * @param e event passed. |
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322 */ |
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323 public void onRecordClick (RecordClickEvent e) { |
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324 Record record = e.getRecord(); |
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325 double[] selected = new double[1]; |
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326 try { |
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327 selected[0] = |
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328 Double.parseDouble(record.getAttribute("from")); |
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329 } |
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330 catch(NumberFormatException nfe) { |
4131
360e22afb98b
Cosmetics, warnings and minor TODOs.
Christian Lins <christian.lins@intevation.de>
parents:
2905
diff
changeset
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331 GWT.log("onRecordClick", nfe); |
1591
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332 } |
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333 setLocationValues(selected); |
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334 } |
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335 } |
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336 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |