Mercurial > dive4elements > river
annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/AbstractUIProvider.java @ 876:dbaef661d0e5
Changed i18n string for empty table and set header fields to fixed order.
flys-client/trunk@2703 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Raimund Renkert <raimund.renkert@intevation.de> |
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date | Mon, 12 Sep 2011 12:23:34 +0000 |
parents | 77a549772aa9 |
children | 794d1af42987 |
rev | line source |
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41
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Added a new widget that enables the user to enter a location or a distance in a single step.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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1 package de.intevation.flys.client.client.ui; |
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2 |
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3 import java.util.ArrayList; |
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4 import java.util.List; |
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5 |
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6 import com.google.gwt.core.client.GWT; |
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7 |
562
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Introduced a client side validation before new user data are sent to the server - the range/location panel already implements this validation.
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8 import com.smartgwt.client.util.SC; |
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9 import com.smartgwt.client.widgets.Button; |
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10 import com.smartgwt.client.widgets.Canvas; |
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11 import com.smartgwt.client.widgets.Img; |
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12 import com.smartgwt.client.widgets.events.ClickEvent; |
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13 import com.smartgwt.client.widgets.events.ClickHandler; |
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14 import com.smartgwt.client.widgets.layout.VLayout; |
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15 |
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Removed the FLYSMessages interface and replaced it with a FLYSConstants interface - this interface has the ability to lookup i18n strings with given keys.
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16 import de.intevation.flys.client.client.FLYSConstants; |
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17 import de.intevation.flys.client.client.event.HasStepBackHandlers; |
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18 import de.intevation.flys.client.client.event.HasStepForwardHandlers; |
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19 import de.intevation.flys.client.client.event.StepBackEvent; |
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20 import de.intevation.flys.client.client.event.StepBackHandler; |
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21 import de.intevation.flys.client.client.event.StepForwardEvent; |
87a44f8e25cc
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22 import de.intevation.flys.client.client.event.StepForwardHandler; |
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23 import de.intevation.flys.client.shared.model.Data; |
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Implemented the createOld() of WQAdaptedInputPanel.
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24 import de.intevation.flys.client.shared.model.DataItem; |
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Introduced a data structure DataList to manage to list of Data objects of a single state.
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25 import de.intevation.flys.client.shared.model.DataList; |
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26 import de.intevation.flys.client.shared.model.Artifact; |
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Query MapInfo object for correct river (was hard coded).
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27 import de.intevation.flys.client.shared.model.ArtifactDescription; |
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28 |
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29 /** |
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30 * An abstract UIProvider that provides some basic methods. |
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31 * |
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32 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
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33 */ |
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34 public abstract class AbstractUIProvider |
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35 implements UIProvider, HasStepForwardHandlers, ClickHandler, |
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36 HasStepBackHandlers |
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37 { |
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38 /** The message class that provides i18n strings.*/ |
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39 protected FLYSConstants MSG = GWT.create(FLYSConstants.class); |
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40 |
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41 |
41
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42 /** The StepForwardHandlers.*/ |
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43 protected List<StepForwardHandler> forwardHandlers; |
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44 |
60
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45 /** The StepForwardHandlers.*/ |
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46 protected List<StepBackHandler> backHandlers; |
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47 |
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Improved the positioning of helper widgets and some layout specific stuff.
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48 /** The container that is used to position helper widgets.*/ |
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49 protected VLayout helperContainer; |
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50 |
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51 /** The artifact that contains status information.*/ |
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52 protected Artifact artifact; |
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53 |
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54 /** |
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55 * Creates a new UIProvider instance of this class. |
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56 */ |
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57 public AbstractUIProvider() { |
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58 forwardHandlers = new ArrayList<StepForwardHandler>(); |
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59 backHandlers = new ArrayList<StepBackHandler>(); |
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60 } |
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61 |
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62 |
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63 /** |
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64 * Appends a StepBackHandler that wants to listen to StepBackEvents. |
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65 * |
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66 * @param handler A new StepBackHandler. |
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67 */ |
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68 public void addStepBackHandler(StepBackHandler handler) { |
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69 if (handler != null) { |
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70 backHandlers.add(handler); |
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71 } |
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72 } |
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73 |
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74 |
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75 /** |
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76 * Appends a StepForwardHandler that wants to listen to StepForwardEvents. |
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77 * |
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78 * @param handler A new StepForwardHandler. |
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79 */ |
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80 public void addStepForwardHandler(StepForwardHandler handler) { |
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81 if (handler != null) { |
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82 forwardHandlers.add(handler); |
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83 } |
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84 } |
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85 |
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86 |
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87 /** |
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88 * This method is called after the user has clicked one of the buttons to |
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89 * step back to a previous state. |
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90 * |
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91 * @param e The StepBackEvent. |
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92 */ |
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93 protected void fireStepBackEvent(StepBackEvent e) { |
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94 GWT.log("AbstractUIProvider - fireStepBackEvent() handlers: " + backHandlers.size()); |
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95 for (StepBackHandler handler: backHandlers) { |
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96 handler.onStepBack(e); |
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97 } |
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98 } |
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99 |
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100 |
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101 /** |
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102 * This method is called after the user has clicked on the 'next' button to |
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103 * step to the next state. |
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104 * |
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105 * @param e The StepForwardEvent. |
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106 */ |
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107 protected void fireStepForwardEvent(StepForwardEvent e) { |
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108 GWT.log("AbstractUIProvider - fireStepForwardEvent() handlers: " + forwardHandlers.size()); |
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109 for (StepForwardHandler handler: forwardHandlers) { |
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110 handler.onStepForward(e); |
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111 } |
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112 } |
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113 |
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114 |
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115 /** |
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116 * This method is used to listen to click events on the 'next' button. The |
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117 * fireStepForwardEvent() method is called here. |
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118 * |
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119 * @param e The click event. |
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120 */ |
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121 public void onClick(ClickEvent e) { |
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122 List<String> errors = validate(); |
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123 if (errors == null || errors.isEmpty()) { |
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124 Data[] data = getData(); |
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125 fireStepForwardEvent(new StepForwardEvent(data)); |
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126 } |
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127 else { |
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128 StringBuilder sb = new StringBuilder(); |
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129 |
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130 for (String error: errors) { |
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131 sb.append(error); |
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132 sb.append("<br>"); |
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133 } |
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134 |
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135 SC.warn(sb.toString()); |
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136 } |
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137 } |
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138 |
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139 |
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140 /** |
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141 * Creates the 'next' button to step forward to the next state. |
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142 * |
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143 * @return the 'next' button. |
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144 */ |
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145 protected Canvas getNextButton() { |
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146 Button next = new Button(MSG.buttonNext()); |
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147 next.addClickHandler(this); |
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148 |
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149 return next; |
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150 } |
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151 |
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152 |
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153 /** |
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154 * Creates the 'back' button to step back to a previous state. |
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155 * |
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156 * @param targetState The identifier of the target state. |
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157 * |
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158 * @return the 'back' button. |
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159 */ |
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160 protected Canvas getBackButton(final String targetState) { |
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161 String url = GWT.getHostPageBaseURL() + MSG.imageBack(); |
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162 Img back = new Img(url, 16, 16); |
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163 |
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164 back.addClickHandler(new ClickHandler() { |
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165 public void onClick(ClickEvent event) { |
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166 fireStepBackEvent(new StepBackEvent(targetState)); |
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167 } |
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168 }); |
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169 |
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170 return back; |
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171 } |
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172 |
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173 |
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174 /** |
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175 * This method injects a container that is used to position helper widgets. |
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176 * |
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177 * @param helperContainer A container that is used to position helper |
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178 * widgets. |
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179 */ |
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180 public void setContainer(VLayout helperContainer) { |
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181 this.helperContainer = helperContainer; |
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182 } |
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183 |
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184 |
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185 /** |
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186 * This method injects an artifact that contains the status information. |
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187 * |
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188 * @param art An artifact containing status information. |
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189 */ |
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190 public void setArtifact(Artifact art) { |
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191 this.artifact = art; |
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192 } |
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193 |
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194 |
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195 /** |
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196 * This method greps the Data with name <i>name</i> from the list and |
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197 * returns it. |
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198 * |
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199 * @param items A list of Data. |
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200 * @param name The name of the Data that we are searching for. |
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201 * |
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202 * @return the Data with the name <i>name</i>. |
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203 */ |
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204 protected Data getData(List<Data> data, String name) { |
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205 for (Data d: data) { |
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206 if (name.equals(d.getLabel())) { |
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207 return d; |
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208 } |
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209 } |
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210 |
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211 return null; |
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212 } |
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213 |
873
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214 |
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215 protected String getDataValue(String state, String name) { |
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216 ArtifactDescription desc = artifact.getArtifactDescription(); |
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217 |
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218 DataList[] old = desc.getOldData(); |
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219 |
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220 for (DataList list: old) { |
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221 Data d = getData(list.getAll(), name); |
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222 |
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223 if (d != null) { |
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224 return d.getItems()[0].getStringValue(); |
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225 } |
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226 } |
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227 |
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228 return null; |
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229 } |
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230 |
247
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231 /** |
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232 * This method greps the DataItem with name <i>name</i> from the list and |
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233 * returns it. |
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234 * |
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235 * @param items A list of DataItems. |
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236 * @param name The name of the DataItem that we are searching for. |
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237 * |
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238 * @return the DataItem with the name <i>name</i>. |
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239 */ |
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240 protected DataItem getDataItem(DataItem[] items, String name) { |
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241 for (DataItem item: items) { |
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242 if (name.equals(item.getLabel())) { |
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243 return item; |
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244 } |
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245 } |
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246 |
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247 return null; |
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248 } |
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249 |
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250 |
562
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251 public List<String> validate() { |
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252 return new ArrayList<String>(); |
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253 } |
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254 |
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255 |
247
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256 /** |
41
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257 * This method needs to be implemented by concrete subclasses. It should |
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258 * create a new Canvas object with a representation of <i>data</i>. |
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259 * |
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260 * @param data The data that should be displayed. |
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261 * |
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262 * @return a Canvas object that displays <i>data</i>. |
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263 */ |
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264 public abstract Canvas create(DataList data); |
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265 |
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266 |
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267 /** |
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268 * This method needs to be implemented by concrete subclasses. It should |
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269 * return the selected data. |
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270 * |
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271 * @return the selected data. |
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272 */ |
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273 protected abstract Data[] getData(); |
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274 } |
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275 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |