Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/AbstractUIProvider.java @ 4131:360e22afb98b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Cosmetics, warnings and minor TODOs.
author Christian Lins <christian.lins@intevation.de>
date Mon, 15 Oct 2012 00:04:35 +0200
parents a6b7f0585761
children 60b5fca4f357
rev   line source
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87a44f8e25cc Added a new widget that enables the user to enter a location or a distance in a single step.
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parents:
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1 package de.intevation.flys.client.client.ui;
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2
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3 import com.google.gwt.core.client.GWT;
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4
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9f16ac843dda 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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5 import com.smartgwt.client.util.SC;
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6 import com.smartgwt.client.widgets.Button;
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7 import com.smartgwt.client.widgets.Canvas;
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8 import com.smartgwt.client.widgets.Img;
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9 import com.smartgwt.client.widgets.events.ClickEvent;
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10 import com.smartgwt.client.widgets.events.ClickHandler;
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11 import com.smartgwt.client.widgets.layout.VLayout;
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12
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b92281182c6b 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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13 import de.intevation.flys.client.client.FLYSConstants;
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14 import de.intevation.flys.client.client.event.HasStepBackHandlers;
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15 import de.intevation.flys.client.client.event.HasStepForwardHandlers;
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16 import de.intevation.flys.client.client.event.StepBackEvent;
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17 import de.intevation.flys.client.client.event.StepBackHandler;
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18 import de.intevation.flys.client.client.event.StepForwardEvent;
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19 import de.intevation.flys.client.client.event.StepForwardHandler;
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20 import de.intevation.flys.client.shared.model.Artifact;
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21 import de.intevation.flys.client.shared.model.ArtifactDescription;
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22 import de.intevation.flys.client.shared.model.Collection;
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23 import de.intevation.flys.client.shared.model.Data;
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24 import de.intevation.flys.client.shared.model.DataItem;
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a2923d63f530 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.DefaultData;
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27 import de.intevation.flys.client.shared.model.DefaultDataItem;
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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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32
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33 /**
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34 * An abstract UIProvider that provides some basic methods.
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35 *
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36 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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37 */
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38 public abstract class AbstractUIProvider
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39 implements UIProvider, HasStepForwardHandlers, ClickHandler,
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40 HasStepBackHandlers
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41 {
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42 private static final long serialVersionUID = -1610874613377494184L;
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parents: 3384
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43
57
246af33f621c Adjusted the look of the 'next' button in the parameter panel.
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parents: 51
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44 /** The message class that provides i18n strings.*/
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45 protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
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46
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47 /** The StepForwardHandlers.*/
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48 protected List<StepForwardHandler> forwardHandlers;
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49
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50 /** The StepForwardHandlers.*/
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51 protected List<StepBackHandler> backHandlers;
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52
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53 /** The container that is used to position helper widgets.*/
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54 protected VLayout helperContainer;
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55
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137daff2c732 Prepared UI elements for the location and distance input tables.
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56 /** The artifact that contains status information.*/
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57 protected Artifact artifact;
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58
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59 /** The Collection.*/
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60 protected Collection collection;
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61
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62 /** The ParameterList.*/
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63 protected ParameterList parameterList;
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64
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65 /**
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66 * Creates a new UIProvider instance of this class.
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67 */
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68 public AbstractUIProvider() {
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69 forwardHandlers = new ArrayList<StepForwardHandler>();
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70 backHandlers = new ArrayList<StepBackHandler>();
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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 * Appends a StepBackHandler that wants to listen to StepBackEvents.
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76 *
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77 * @param handler A new StepBackHandler.
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78 */
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79 @Override
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80 public void addStepBackHandler(StepBackHandler handler) {
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81 if (handler != null) {
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82 backHandlers.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 * Appends a StepForwardHandler that wants to listen to StepForwardEvents.
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89 *
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90 * @param handler A new StepForwardHandler.
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91 */
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92 @Override
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93 public void addStepForwardHandler(StepForwardHandler handler) {
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94 if (handler != null) {
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95 forwardHandlers.add(handler);
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96 }
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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 * This method is called after the user has clicked one of the buttons to
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102 * step back to a previous state.
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103 *
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104 * @param e The StepBackEvent.
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105 */
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106 protected void fireStepBackEvent(StepBackEvent e) {
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107 GWT.log("AbstractUIProvider - fireStepBackEvent() handlers: " + backHandlers.size());
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108 for (StepBackHandler handler: backHandlers) {
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109 handler.onStepBack(e);
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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 /**
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115 * This method is called after the user has clicked on the 'next' button to
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116 * step to the next state.
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117 *
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118 * @param e The StepForwardEvent.
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119 */
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120 protected void fireStepForwardEvent(StepForwardEvent e) {
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121 GWT.log("AbstractUIProvider - fireStepForwardEvent() handlers: " + forwardHandlers.size());
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122 for (StepForwardHandler handler: forwardHandlers) {
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123 handler.onStepForward(e);
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124 }
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125 }
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126
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127
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128 /**
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129 * This method is used to listen to click events on the 'next' button. The
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130 * fireStepForwardEvent() method is called here.
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131 *
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132 * @param e The click event.
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133 */
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134 @Override
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135 public void onClick(ClickEvent e) {
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136 List<String> errors = validate();
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137 if (errors == null || errors.isEmpty()) {
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138 Data[] data = getData();
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139 fireStepForwardEvent(new StepForwardEvent(data));
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140 }
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141 else {
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142 showErrors(errors);
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143 }
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144 }
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145
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146
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147 protected void showErrors(List<String> errors) {
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148 StringBuilder sb = new StringBuilder();
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149
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150 for (String error: errors) {
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151 sb.append(error);
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152 sb.append("<br>");
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153 }
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154
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155 SC.warn(sb.toString());
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156 }
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157
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158
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159 /**
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160 * Creates the 'next' button to step forward to the next state.
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161 *
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162 * @return the 'next' button.
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163 */
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164 protected Canvas getNextButton() {
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165 Button next = new Button(MSG.buttonNext());
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166 next.addClickHandler(this);
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167
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168 return next;
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169 }
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170
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171
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172 @Override
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173 public Canvas createHelpLink(DataList dataList, Data data) {
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174 String iUrl = GWT.getHostPageBaseURL() + MSG.getFeatureInfo();
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175 String helpUrl = dataList.getHelpText();
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176
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177 return new ImgLink(iUrl, helpUrl, 30, 30, true);
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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 * Creates the 'back' button to step back to a previous state.
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183 *
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184 * @param targetState The identifier of the target state.
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185 *
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186 * @return the 'back' button.
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187 */
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188 protected Canvas getBackButton(final String targetState) {
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189 String url = GWT.getHostPageBaseURL() + MSG.imageBack();
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190 Img back = new Img(url, 16, 16);
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191
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192 back.addClickHandler(new ClickHandler() {
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193 @Override
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194 public void onClick(ClickEvent event) {
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195 fireStepBackEvent(new StepBackEvent(targetState));
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196 }
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197 });
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198
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199 return back;
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200 }
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201
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202
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203 /**
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204 * This method injects a container that is used to position helper widgets.
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205 *
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206 * @param helperContainer A container that is used to position helper
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207 * widgets.
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208 */
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209 @Override
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210 public void setContainer(VLayout helperContainer) {
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211 this.helperContainer = helperContainer;
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212 }
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213
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214
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215 /**
233
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216 * This method injects an artifact that contains the status information.
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217 *
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218 * @param art An artifact containing status information.
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219 */
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220 @Override
233
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221 public void setArtifact(Artifact art) {
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222 this.artifact = art;
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223 }
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224
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225
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226 @Override
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227 public void setCollection(Collection collection) {
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228 this.collection = collection;
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229 }
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230
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231
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232 @Override
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233 public void setParameterList(ParameterList list) {
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234 this.parameterList = list;
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235 }
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236
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237
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794d1af42987 Clone Artifacts and add them to the current Collection in the WspDatacagePanel.
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parents: 873
diff changeset
238 public Collection getCollection() {
794d1af42987 Clone Artifacts and add them to the current Collection in the WspDatacagePanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 873
diff changeset
239 return collection;
794d1af42987 Clone Artifacts and add them to the current Collection in the WspDatacagePanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 873
diff changeset
240 }
794d1af42987 Clone Artifacts and add them to the current Collection in the WspDatacagePanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 873
diff changeset
241
794d1af42987 Clone Artifacts and add them to the current Collection in the WspDatacagePanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 873
diff changeset
242
233
137daff2c732 Prepared UI elements for the location and distance input tables.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 211
diff changeset
243 /**
247
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
244 * This method greps the Data with name <i>name</i> from the list and
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
245 * returns it.
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
246 *
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
247 * @param items A list of Data.
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
248 * @param name The name of the Data that we are searching for.
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
249 *
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
250 * @return the Data with the name <i>name</i>.
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
251 */
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
252 protected Data getData(List<Data> data, String name) {
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
253 for (Data d: data) {
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
254 if (name.equals(d.getLabel())) {
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
255 return d;
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
256 }
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
257 }
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
258
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
259 return null;
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
260 }
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
261
873
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
262
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
263 protected String getDataValue(String state, String name) {
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
264 ArtifactDescription desc = artifact.getArtifactDescription();
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
265
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
266 DataList[] old = desc.getOldData();
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
267
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
268 for (DataList list: old) {
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
269 Data d = getData(list.getAll(), name);
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
270
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
271 if (d != null) {
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
272 return d.getItems()[0].getStringValue();
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
273 }
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
274 }
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
275
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
276 return null;
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
277 }
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
278
247
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
279 /**
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
280 * This method greps the DataItem with name <i>name</i> from the list and
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
281 * returns it.
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
282 *
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
283 * @param items A list of DataItems.
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
284 * @param name The name of the DataItem that we are searching for.
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
285 *
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
286 * @return the DataItem with the name <i>name</i>.
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
287 */
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
288 protected DataItem getDataItem(DataItem[] items, String name) {
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
289 for (DataItem item: items) {
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
290 if (name.equals(item.getLabel())) {
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
291 return item;
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
292 }
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
293 }
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
294
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
295 return null;
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
296 }
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
297
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
298
562
9f16ac843dda Introduced a client side validation before new user data are sent to the server - the range/location panel already implements this validation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 247
diff changeset
299 public List<String> validate() {
9f16ac843dda Introduced a client side validation before new user data are sent to the server - the range/location panel already implements this validation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 247
diff changeset
300 return new ArrayList<String>();
9f16ac843dda Introduced a client side validation before new user data are sent to the server - the range/location panel already implements this validation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 247
diff changeset
301 }
9f16ac843dda Introduced a client side validation before new user data are sent to the server - the range/location panel already implements this validation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 247
diff changeset
302
9f16ac843dda Introduced a client side validation before new user data are sent to the server - the range/location panel already implements this validation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 247
diff changeset
303
1591
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
304 /** Create simple DefaultData with single DataItem inside. */
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
305 public static DefaultData createDataArray(String name, String value) {
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
306 DataItem item = new DefaultDataItem(
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
307 name,
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
308 name,
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
309 value);
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
310
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
311 return new DefaultData(name,
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
312 null,
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
313 null,
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
314 new DataItem[] {item});
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
315 }
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
316
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
317
247
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
318 /**
41
87a44f8e25cc 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:
diff changeset
319 * This method needs to be implemented by concrete subclasses. It should
87a44f8e25cc 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:
diff changeset
320 * create a new Canvas object with a representation of <i>data</i>.
87a44f8e25cc 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:
diff changeset
321 *
87a44f8e25cc 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:
diff changeset
322 * @param data The data that should be displayed.
87a44f8e25cc 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:
diff changeset
323 *
87a44f8e25cc 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:
diff changeset
324 * @return a Canvas object that displays <i>data</i>.
87a44f8e25cc 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:
diff changeset
325 */
3384
a6b7f0585761 Merge point/line label styles
Christian Lins <christian.lins@intevation.de>
parents: 2500
diff changeset
326 @Override
51
a2923d63f530 Introduced a data structure DataList to manage to list of Data objects of a single state.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 41
diff changeset
327 public abstract Canvas create(DataList data);
41
87a44f8e25cc 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:
diff changeset
328
87a44f8e25cc 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:
diff changeset
329
87a44f8e25cc 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:
diff changeset
330 /**
87a44f8e25cc 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:
diff changeset
331 * This method needs to be implemented by concrete subclasses. It should
87a44f8e25cc 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:
diff changeset
332 * return the selected data.
87a44f8e25cc 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:
diff changeset
333 *
87a44f8e25cc 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:
diff changeset
334 * @return the selected data.
87a44f8e25cc 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:
diff changeset
335 */
87a44f8e25cc 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:
diff changeset
336 protected abstract Data[] getData();
87a44f8e25cc 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:
diff changeset
337 }
87a44f8e25cc 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:
diff changeset
338 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org