Mercurial > dive4elements > river

annotate gwt-client/src/main/java/org/dive4elements/river/client/client/ui/AbstractUIProvider.java @ 8619:156980fb3cb9

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Try to find "default" data items for start and end in period panel This is not using the DefaultValue mechanismn which also exists as the DefaultValue mechanism is deprecated and a candidate for removal.
author Andre Heinecke <andre.heinecke@intevation.de>
date Wed, 25 Mar 2015 19:18:43 +0100
parents 175df4c01ae7
children 8f6d6d26e96f 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
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13 import com.smartgwt.client.util.SC;
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14 import com.smartgwt.client.widgets.Button;
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15 import com.smartgwt.client.widgets.Canvas;
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16 import com.smartgwt.client.widgets.Img;
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17 import com.smartgwt.client.widgets.events.ClickEvent;
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18 import com.smartgwt.client.widgets.events.ClickHandler;
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19 import com.smartgwt.client.widgets.layout.VLayout;
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20
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21 import org.dive4elements.river.client.client.FLYSConstants;
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22 import org.dive4elements.river.client.client.FLYS;
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23 import org.dive4elements.river.client.client.event.HasStepBackHandlers;
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24 import org.dive4elements.river.client.client.event.HasStepForwardHandlers;
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25 import org.dive4elements.river.client.client.event.StepBackEvent;
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26 import org.dive4elements.river.client.client.event.StepBackHandler;
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27 import org.dive4elements.river.client.client.event.StepForwardEvent;
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28 import org.dive4elements.river.client.client.event.StepForwardHandler;
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29 import org.dive4elements.river.client.shared.model.Artifact;
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30 import org.dive4elements.river.client.shared.model.ArtifactDescription;
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31 import org.dive4elements.river.client.shared.model.Collection;
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32 import org.dive4elements.river.client.shared.model.Data;
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33 import org.dive4elements.river.client.shared.model.DataItem;
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34 import org.dive4elements.river.client.shared.model.DataList;
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35 import org.dive4elements.river.client.shared.model.DefaultData;
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36 import org.dive4elements.river.client.shared.model.DefaultDataItem;
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37
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38 import java.util.ArrayList;
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39 import java.util.List;
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40
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41
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42 /**
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43 * An abstract UIProvider that provides some basic methods.
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44 *
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45 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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46 */
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47 public abstract class AbstractUIProvider
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48 implements UIProvider, HasStepForwardHandlers, ClickHandler,
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49 HasStepBackHandlers
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50 {
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51 private static final long serialVersionUID = -1610874613377494184L;
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52
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53 /** The message class that provides i18n strings. */
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54 protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
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55
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56 /** The StepForwardHandlers. */
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57 protected List<StepForwardHandler> forwardHandlers;
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58
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59 /** The StepForwardHandlers. */
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60 protected List<StepBackHandler> backHandlers;
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61
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62 /** The container that is used to position helper widgets. */
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63 protected VLayout helperContainer;
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64
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65 /** The artifact that contains status information. */
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66 protected Artifact artifact;
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67
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68 /** The Collection. */
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69 protected Collection collection;
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70
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71 /** The ParameterList. */
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72 protected ParameterList parameterList;
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73
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74 /**
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75 * Creates a new UIProvider instance of this class.
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76 */
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77 public AbstractUIProvider() {
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78 forwardHandlers = new ArrayList<StepForwardHandler>();
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79 backHandlers = new ArrayList<StepBackHandler>();
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80 }
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81
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82
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83 /**
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84 * Appends a StepBackHandler that wants to listen to StepBackEvents.
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85 *
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86 * @param handler A new StepBackHandler.
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87 */
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88 @Override
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89 public void addStepBackHandler(StepBackHandler handler) {
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90 if (handler != null) {
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91 backHandlers.add(handler);
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92 }
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93 }
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94
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95
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96 /**
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97 * Appends a StepForwardHandler that wants to listen to StepForwardEvents.
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98 *
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99 * @param handler A new StepForwardHandler.
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100 */
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101 @Override
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102 public void addStepForwardHandler(StepForwardHandler handler) {
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103 if (handler != null) {
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104 forwardHandlers.add(handler);
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105 }
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106 }
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107
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108
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109 /**
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110 * This method is called after the user has clicked one of the buttons to
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111 * step back to a previous state.
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112 *
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113 * @param e The StepBackEvent.
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114 */
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115 protected void fireStepBackEvent(StepBackEvent e) {
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116 GWT.log("AbstractUIProvider - fireStepBackEvent() handlers: " + backHandlers.size());
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117 for (StepBackHandler handler: backHandlers) {
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118 handler.onStepBack(e);
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119 }
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120 }
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121
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122
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123 /**
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124 * This method is called after the user has clicked on the 'next' button to
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125 * step to the next state.
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126 *
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127 * @param e The StepForwardEvent.
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128 */
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129 protected void fireStepForwardEvent(StepForwardEvent e) {
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130 GWT.log("AbstractUIProvider - fireStepForwardEvent() handlers: " + forwardHandlers.size());
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131 for (StepForwardHandler handler: forwardHandlers) {
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132 handler.onStepForward(e);
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133 }
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134 }
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135
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136
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137 /**
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138 * This method is used to listen to click events on the 'next' button. The
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139 * fireStepForwardEvent() method is called here.
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140 *
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141 * @param e The click event.
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142 */
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143 @Override
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144 public void onClick(ClickEvent e) {
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145 List<String> errors = validate();
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146 if (errors == null || errors.isEmpty()) {
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147 Data[] data = getData();
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148 fireStepForwardEvent(new StepForwardEvent(data));
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149 }
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150 else {
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151 showErrors(errors);
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152 }
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153 }
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154
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155
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156 protected void showErrors(List<String> errors) {
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157 StringBuilder sb = new StringBuilder();
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158
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159 for (String error: errors) {
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160 sb.append(error);
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161 sb.append("<br>");
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162 }
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163
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164 SC.warn(sb.toString());
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165 }
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166
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167
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168 /**
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169 * Creates the 'next' button to step forward to the next state.
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170 *
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171 * @return the 'next' button.
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172 */
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173 protected Canvas getNextButton() {
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174 Button next = new Button(MSG.buttonNext());
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175 next.addClickHandler(this);
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176
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177 return next;
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178 }
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179
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180
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181 @Override
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182 public Canvas createHelpLink(DataList dataList, Data data, FLYS instance) {
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183 String iUrl = GWT.getHostPageBaseURL() + MSG.getFeatureInfo();
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184 String helpUrl = dataList.getHelpText();
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185
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186 return new WikiImgLink(iUrl, helpUrl, 30, 30, instance);
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187 }
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188
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189
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190 /**
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191 * Creates the 'back' button to step back to a previous state.
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192 *
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193 * @param targetState The identifier of the target state.
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194 *
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195 * @return the 'back' button.
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196 */
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197 protected Canvas getBackButton(final String targetState) {
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198 String url = GWT.getHostPageBaseURL() + MSG.imageBack();
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199 Img back = new Img(url, 16, 16);
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200
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201 back.addClickHandler(new ClickHandler() {
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202 @Override
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203 public void onClick(ClickEvent event) {
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204 fireStepBackEvent(new StepBackEvent(targetState));
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205 }
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206 });
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207
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208 return back;
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209 }
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210
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211
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212 /**
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213 * This method injects a container that is used to position helper widgets.
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214 *
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215 * @param helperContainer A container that is used to position helper
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216 * widgets.
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217 */
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218 @Override
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219 public void setContainer(VLayout helperContainer) {
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220 this.helperContainer = helperContainer;
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221 }
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222
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223
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224 /**
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225 * This method injects an artifact that contains the status information.
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226 *
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227 * @param art An artifact containing status information.
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228 */
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229 @Override
233
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230 public void setArtifact(Artifact art) {
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231 this.artifact = art;
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232 }
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233
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234
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235 @Override
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236 public void setCollection(Collection collection) {
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237 this.collection = collection;
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238 }
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239
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240
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241 @Override
915
89a47098bcbd Hide geometry layer in floodmap when tab selection changes.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 909
diff changeset
242 public void setParameterList(ParameterList list) {
89a47098bcbd Hide geometry layer in floodmap when tab selection changes.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 909
diff changeset
243 this.parameterList = list;
89a47098bcbd Hide geometry layer in floodmap when tab selection changes.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 909
diff changeset
244 }
89a47098bcbd Hide geometry layer in floodmap when tab selection changes.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 909
diff changeset
245
89a47098bcbd Hide geometry layer in floodmap when tab selection changes.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 909
diff changeset
246
909
794d1af42987 Clone Artifacts and add them to the current Collection in the WspDatacagePanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 873
diff changeset
247 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
248 return collection;
794d1af42987 Clone Artifacts and add them to the current Collection in the WspDatacagePanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 873
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249 }
794d1af42987 Clone Artifacts and add them to the current Collection in the WspDatacagePanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 873
diff changeset
250
794d1af42987 Clone Artifacts and add them to the current Collection in the WspDatacagePanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 873
diff changeset
251
233
137daff2c732 Prepared UI elements for the location and distance input tables.
Raimund Renkert <raimund.renkert@intevation.de>
parents: 211
diff changeset
252 /**
247
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
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253 * 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
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254 * returns it.
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
255 *
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
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256 * @param items A list of Data.
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
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257 * @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
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258 *
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
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259 * @return the Data with the name <i>name</i>.
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
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260 */
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
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261 protected Data getData(List<Data> data, String name) {
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
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parents: 233
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262 for (Data d: data) {
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
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parents: 233
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263 if (name.equals(d.getLabel())) {
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
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264 return d;
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
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265 }
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
266 }
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
267
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
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268 return null;
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
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269 }
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
270
873
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
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271
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
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272 protected String getDataValue(String state, String name) {
77a549772aa9 Query MapInfo object for correct river (was hard coded).
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parents: 788
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273 ArtifactDescription desc = artifact.getArtifactDescription();
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
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274
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
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275 DataList[] old = desc.getOldData();
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
276
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
277 for (DataList list: old) {
5308
7712dacc27ab Avoid NPE if data list is null.
Raimund Renkert <rrenkert@intevation.de>
parents: 5189
diff changeset
278 if (list == null) {
7712dacc27ab Avoid NPE if data list is null.
Raimund Renkert <rrenkert@intevation.de>
parents: 5189
diff changeset
279 continue;
7712dacc27ab Avoid NPE if data list is null.
Raimund Renkert <rrenkert@intevation.de>
parents: 5189
diff changeset
280 }
873
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
281 Data d = getData(list.getAll(), name);
77a549772aa9 Query MapInfo object for correct river (was hard coded).
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parents: 788
diff changeset
282
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
283 if (d != null) {
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
284 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
285 }
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
286 }
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
287
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
288 return null;
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
289 }
77a549772aa9 Query MapInfo object for correct river (was hard coded).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 788
diff changeset
290
247
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
291 /**
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
292 * 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
293 * returns it.
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 * @param items A list of DataItems.
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
296 * @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
297 *
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
298 * @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
299 */
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
300 protected DataItem getDataItem(DataItem[] items, String name) {
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
301 for (DataItem item: items) {
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
302 if (name.equals(item.getLabel())) {
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
303 return item;
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
304 }
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
305 }
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
306
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
307 return null;
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
308 }
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
309
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
310
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
311 public List<String> validate() {
5658
995320711d80 Temporary remove classification from floodmap plane theme editor (#801).
Christian Lins <christian.lins@intevation.de>
parents: 5308
diff changeset
312 return new ArrayList<String>(); // FIXME: What's this?
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
313 }
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
314
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
315
1591
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
316 /** Create simple DefaultData with single DataItem inside. */
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
317 public static DefaultData createDataArray(String name, String value) {
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
318 DataItem item = new DefaultDataItem(
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
319 name,
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
320 name,
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
321 value);
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
322
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
323 return new DefaultData(name,
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
324 null,
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
325 null,
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
326 new DataItem[] {item});
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
327 }
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
328
8ab010967f78 Refactored.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1586
diff changeset
329
247
4a684d29404f Implemented the createOld() of WQAdaptedInputPanel.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 233
diff changeset
330 /**
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
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 * 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
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 * @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
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 * @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
337 */
3384
a6b7f0585761 Merge point/line label styles
Christian Lins <christian.lins@intevation.de>
parents: 2500
diff changeset
338 @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
339 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
340
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
341
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
342 /**
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
343 * 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
344 * 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
345 *
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
346 * @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
347 */
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
348 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
349 }
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
350 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org