Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/chart/ManualPointsEditor.java @ 1561:3cf3cd8dd92d

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Made manual points edit- and removable. flys-client/trunk@3807 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Fri, 27 Jan 2012 15:24:04 +0000
parents 9ad19e31d149
children af29d43cf4da
rev   line source
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1 package de.intevation.flys.client.client.ui.chart;
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2
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3 import com.google.gwt.json.client.JSONArray;
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4 import com.google.gwt.json.client.JSONNumber;
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5 import com.google.gwt.json.client.JSONParser;
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6 import com.google.gwt.json.client.JSONString;
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7 import com.google.gwt.core.client.GWT;
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8 import com.google.gwt.user.client.rpc.AsyncCallback;
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9
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10 import com.smartgwt.client.util.SC;
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11 import com.smartgwt.client.widgets.Window;
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12 import com.smartgwt.client.widgets.layout.VLayout;
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13 import com.smartgwt.client.widgets.layout.HLayout;
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14 import com.smartgwt.client.widgets.IButton;
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15 import com.smartgwt.client.widgets.Button;
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16 import com.smartgwt.client.widgets.Label;
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17 import com.smartgwt.client.widgets.Canvas;
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18 import com.smartgwt.client.widgets.grid.ListGrid;
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19 import com.smartgwt.client.widgets.grid.ListGridField;
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20 import com.smartgwt.client.widgets.grid.ListGridRecord;
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21 import com.smartgwt.client.widgets.grid.events.RecordClickEvent;
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22 import com.smartgwt.client.widgets.grid.events.RecordClickHandler;
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23 import com.smartgwt.client.types.ListGridFieldType;
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24
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25 import com.smartgwt.client.widgets.form.DynamicForm;
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26
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27 import com.smartgwt.client.widgets.events.ClickEvent;
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28 import com.smartgwt.client.widgets.events.ClickHandler;
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29
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30 import com.smartgwt.client.types.Alignment;
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31
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32 import de.intevation.flys.client.shared.model.Artifact;
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33
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34 import de.intevation.flys.client.client.Config;
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35 import de.intevation.flys.client.client.FLYSConstants;
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36 import de.intevation.flys.client.shared.model.Collection;
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37 import de.intevation.flys.client.shared.model.CollectionItem;
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38 import de.intevation.flys.client.client.utils.DoubleValidator;
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39
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40 import de.intevation.flys.client.client.services.LoadArtifactService;
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41 import de.intevation.flys.client.client.services.LoadArtifactServiceAsync;
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42 import de.intevation.flys.client.client.services.FeedService;
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43 import de.intevation.flys.client.client.services.FeedServiceAsync;
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44
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45 import de.intevation.flys.client.shared.model.Data;
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46 import de.intevation.flys.client.shared.model.DefaultArtifact;
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47 import de.intevation.flys.client.shared.model.DefaultData;
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48 import de.intevation.flys.client.shared.model.Recommendation;
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49
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50 import de.intevation.flys.client.client.event.RedrawRequestHandler;
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51 import de.intevation.flys.client.client.event.RedrawRequestEvent;
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52 import de.intevation.flys.client.client.event.RedrawRequestEvent.Type;
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53
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54
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55 /**
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56 * UI to enter point data and save it to an PointArtifact.
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57 */
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58 public class ManualPointsEditor
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59 extends Window
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60 implements ClickHandler
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61 {
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62 /** The interface that provides i18n messages. */
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63 protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
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64
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65 /** Name of the main data item to be fed. */
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66 public static final String POINT_DATA = "manualpoints.data";
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67 // TODO with separate point sets in multiple diagrams, we might need
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68 // different POINT_DATA-names (e.g. one per diagram).
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69
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70 /** When we chaged something, we need a RedrawRequest(Handler). */
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71 protected RedrawRequestHandler redrawRequestHandler;
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72
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73 /** The collection */
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74 protected Collection collection;
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75
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76 /** The listGrid showing point entries. */
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77 protected ListGrid listGrid;
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78
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79 /** Service handle to clone and add artifacts to collection. */
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80 LoadArtifactServiceAsync loadArtifactService = GWT.create(
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81 de.intevation.flys.client.client.services.LoadArtifactService.class);
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82
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83 /** Service to feed the artifact with new point-data. */
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84 FeedServiceAsync feedService = GWT.create(
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85 de.intevation.flys.client.client.services.FeedService.class);
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86
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87 /** UUID of artifact to feed. */
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88 protected String uuid;
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89
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90
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91 /**
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92 * Setup editor dialog.
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93 * @param collection The collection to use.
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94 */
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95 public ManualPointsEditor(Collection collection,
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96 RedrawRequestHandler handler
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97 ) {
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98 this.collection = collection;
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99 this.redrawRequestHandler = handler;
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100 init();
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101 }
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102
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103
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104 /** Searches collection for first artifact to serve (manual) point data. */
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105 public String findManualPointsUUID() {
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106 // TODO Need to be more picky (different points in different diagrams)
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107 int size = collection.getItemLength();
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108
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109 for (int i = 0; i < size; i++) {
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110 CollectionItem item = collection.getItem(i);
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111 String dataValue = (String) item.getData().get(POINT_DATA);
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112 if (dataValue != null) {
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113 // Found it.
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114 uuid = item.identifier();
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115 return uuid;
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116 }
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117 }
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118
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119 return null;
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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 * Initialize the editor window and its components.
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125 */
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126 protected void init() {
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127 setTitle(MSG.addpoints());
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128 setCanDragReposition(true);
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129 setCanDragResize(true);
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130
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131 // If no manualpoints artifact found, create it now.
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132 if(findManualPointsUUID() == null) {
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133 addArtifactCreateUI();
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134 }
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135 else {
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136 createUI();
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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 /** Create and setup/add the ui. */
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142 public void createUI() {
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143 Config config = Config.getInstance();
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144
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145 Button accept = new Button(MSG.label_ok());
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146 Button cancel = new Button(MSG.label_cancel());
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147 cancel.addClickHandler(this);
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148
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149 // TODO refactor.
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150 accept.addClickHandler(new ClickHandler() {
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151 public void onClick(ClickEvent e) {
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152 if(isDialogValid()) {
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153 // Feed JSON-encoded content of listgrid.
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154 String jsonString = "";
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155 int idx = 0;
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156 JSONArray list = new JSONArray();
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157
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158 for(ListGridRecord record : listGrid.getRecords()) {
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159 if (record instanceof PointRecord) {
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160 JSONArray data = new JSONArray();
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161
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162 PointRecord point = (PointRecord) record;
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163 data.set(0, new JSONNumber(point.getX()));
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164 data.set(1, new JSONNumber(point.getY()));
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165 data.set(2, new JSONString(point.getName()));
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166
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167 list.set(idx, data);
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168 idx++;
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169 }
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170 else {
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171 JSONArray data = new JSONArray();
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172
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173 // TODO better get double directly (via cell-formatter etc)
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174 // TODO finalize the X, Y etc.
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175 String xString = record.getAttributeAsString("X");
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176 String yString = record.getAttributeAsString("Y");
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177 String nameString = record.getAttributeAsString("name");
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178 if (nameString == null || nameString.equals("")) {
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179 nameString = xString + "/" + yString;
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180 }
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181
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182 data.set(0, new JSONNumber(Double.valueOf(xString)));
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183 data.set(1, new JSONNumber(Double.valueOf(yString)));
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184 data.set(2, new JSONString(nameString));
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185
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186 list.set(idx, data);
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187 idx++;
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188 }
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189 }
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190
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191 // Feed list.toString to respective artifact.
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192 Data[] feedData = new Data[] {
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193 DefaultData.createSimpleStringData(POINT_DATA,
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194 list.toString())
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195 };
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196 feedService.feed(
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197 Config.getInstance().getLocale(),
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198 new DefaultArtifact(uuid, "TODO:hash"),
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199 feedData,
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200 new AsyncCallback<Artifact>() {
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diff changeset
201 public void onFailure(Throwable caught) {
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202 GWT.log("Could not feed artifact with points.");
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203 SC.warn(MSG.getString(caught.getMessage()));
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204 enable();
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205 }
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206 public void onSuccess(Artifact fartifact) {
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207 GWT.log("Successfully set points ");
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diff changeset
208 redrawRequestHandler.onRedrawRequest(
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209 new RedrawRequestEvent());
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210 destroy();
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211 }
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212 });
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213 }
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214 else {
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215 GWT.log("Dialog not valid");
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diff changeset
216 SC.warn(MSG.error_dialog_not_valid());
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217 }
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218 }
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219 });
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220
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diff changeset
221 HLayout buttons = new HLayout();
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222 buttons.addMember(accept);
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223 buttons.addMember(cancel);
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diff changeset
224 buttons.setAlign(Alignment.CENTER);
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diff changeset
225 buttons.setHeight(30);
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226
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diff changeset
227 VLayout layout = new VLayout();
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228 listGrid = new ListGrid();
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229 listGrid.setWidth100();
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diff changeset
230 listGrid.setHeight(200);
1561
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231 listGrid.setCanSort(false);
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232 listGrid.setCanEdit(true);
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diff changeset
233 listGrid.setShowHeaderContextMenu(false);
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diff changeset
234
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235 // TODO X and Y Header depend on the current chart and axis (e.g. W[nn+m])
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diff changeset
236 // collection.getSettings(outputName).getSettings -> Propertie -> "axis" -> "label"
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237 ListGridField xField = new ListGridField("X", "X");
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diff changeset
238 xField.setType(ListGridFieldType.FLOAT);
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diff changeset
239 ListGridField yField = new ListGridField("Y", "Y");
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240 yField.setType(ListGridFieldType.FLOAT);
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241 ListGridField nameField = new ListGridField("name",
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242 MSG.pointname());
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243 final ListGridField removeField =
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diff changeset
244 new ListGridField("_removeRecord", MSG.removepoint()){{
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245 setType(ListGridFieldType.ICON);
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diff changeset
246 setIcon(GWT.getHostPageBaseURL() + MSG.removeFeature());
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diff changeset
247 setCanEdit(false);
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248 setCanFilter(false);
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249 setCanSort(false);
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diff changeset
250 setCanGroupBy(false);
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diff changeset
251 setCanFreeze(false);
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252 setWidth(25);
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diff changeset
253 }};
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diff changeset
254
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diff changeset
255 listGrid.setFields(new ListGridField[] {xField, yField,
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diff changeset
256 nameField, removeField});
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diff changeset
257
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diff changeset
258 listGrid.addRecordClickHandler(new RecordClickHandler() {
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diff changeset
259 public void onRecordClick(final RecordClickEvent event) {
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diff changeset
260 // Just handle remove-clicks
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diff changeset
261 if(!event.getField().getName().equals(removeField.getName())) {
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diff changeset
262 return;
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diff changeset
263 }
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diff changeset
264 event.getViewer().removeData(event.getRecord());
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diff changeset
265 }
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diff changeset
266 });
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diff changeset
267
1545
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parents:
diff changeset
268 // Find the artifacts uuid.
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parents:
diff changeset
269 findManualPointsUUID();
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parents:
diff changeset
270 CollectionItem item = collection.getItem(uuid);
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271
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272 // Add points to grid.
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273 if (item != null) {
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274 String jsonData = item.getData().get(POINT_DATA);
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275 JSONArray jsonArray = (JSONArray) JSONParser.parse(jsonData);
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276 for (int i = 0; i < jsonArray.size(); i++) {
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277 JSONArray point = (JSONArray) jsonArray.get(i);
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278 listGrid.addData(pointRecordFromJSON(point));
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279 }
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280 }
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281 else {
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282 // TODO proper log
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283 System.out.println("No item found for " + uuid);
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284 }
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285
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286 IButton button = new IButton(MSG.newpoint());
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287 button.setTop(250);
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288 button.addClickHandler(new ClickHandler() {
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289 public void onClick(ClickEvent event) {
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290 listGrid.startEditingNew();
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291 }
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292 });
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293
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294 layout.addMember(listGrid);
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295 layout.addMember(button);
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296
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297 addItem(layout);
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298
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299 addItem(buttons);
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300 setWidth(380);
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301 setHeight(470);
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302 centerInPage();
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303 }
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304
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305
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306 /** From a JSON-encoded point, create a PointRecord. */
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307 public PointRecord pointRecordFromJSON(JSONArray jsonArray) {
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308 JSONNumber x = (JSONNumber) jsonArray.get(0);
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309 JSONNumber y = (JSONNumber) jsonArray.get(1);
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310 JSONString s = (JSONString) jsonArray.get(2);
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311 return new PointRecord(x.doubleValue(), y.doubleValue(), s.stringValue());
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312 }
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313
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314
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315 /** Add a ManualPointArtifact to Collection. */
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316 public void addArtifactCreateUI() {
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317 final Label standByLabel = new Label(MSG.standby());
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318 addItem(standByLabel);
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319
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320 setWidth(380);
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321 setHeight(470);
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322 centerInPage();
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323
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324 Config config = Config.getInstance();
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325 String locale = config.getLocale();
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326
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327 loadArtifactService.load(
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328 this.collection,
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329 new Recommendation("manualpoints", ""),
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330 "manualpoints",
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331 locale,
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332 new AsyncCallback<Artifact>() {
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333 public void onFailure(Throwable caught) {
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334 GWT.log("Creating manualpoint artifact failed!");
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335 }
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336 public void onSuccess(Artifact artifact) {
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337 GWT.log("Successfully created artifact.");
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338 removeItem(standByLabel);
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339 uuid = artifact.getUuid();
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340 createUI();
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341 }
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342 });
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343 }
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344
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345
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346 /**
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347 * This method is called when the user aborts point editing.
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348 * @param event The event.
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349 */
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350 public void onClick(ClickEvent event) {
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351 this.destroy();
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352 }
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353
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354
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355 /** Simple record to store points. */
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356 public class PointRecord extends ListGridRecord {
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357 protected static final String ATTRIBUTE_X = "X";
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358 protected static final String ATTRIBUTE_Y = "Y";
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359 protected static final String ATTRIBUTE_NAME = "name";
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360 protected static final String ATTRIBUTE_ACTIVE = "active";
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361
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362 private PointRecord() {;}
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363
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364 public PointRecord(double x, double y, String name) {
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365 setName(name);
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366 setX(x);
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367 setY(y);
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368 }
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369
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370 public void setActive(boolean b) {
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371 setAttribute(ATTRIBUTE_ACTIVE, b);
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372 }
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373
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374 public boolean isActive() {
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375 return getAttributeAsBoolean(ATTRIBUTE_ACTIVE);
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376 }
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377
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378 public void setName(String name) {
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379 setAttribute(ATTRIBUTE_NAME, name);
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380 }
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381
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382 public String getName() {
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383 return getAttributeAsString(ATTRIBUTE_NAME);
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384 }
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385
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386 public void setX(double x) {
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387 setAttribute(ATTRIBUTE_X, x);
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388 }
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389
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390 public void setY(double y) {
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391 setAttribute(ATTRIBUTE_Y, y);
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392 }
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393
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394 public double getX() {
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395 return getAttributeAsDouble(ATTRIBUTE_X);
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396 }
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397
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398 public double getY() {
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399 return getAttributeAsDouble(ATTRIBUTE_Y);
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400 }
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diff changeset
401 }
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diff changeset
402
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parents:
diff changeset
403
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404 // TODO validate entered values (CellFormatter).
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405 protected boolean isDialogValid() {
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406 boolean valid = true;
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407 /*
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diff changeset
408 for (int i = 0; i < tabs.getNumTabs(); i++) {
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diff changeset
409 Tab t = tabs.getTab(i);
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parents:
diff changeset
410 Canvas container = t.getPane();
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411 Canvas[] children = container.getChildren();
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412 for (Canvas c: children) {
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413 valid = validateCanvas(c);
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414 if(!valid) {
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415 return valid;
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416 }
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417 }
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418 }
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419 */
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420 return valid;
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421 }
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422
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423
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424 protected boolean validateCanvas(Canvas c) {
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425 boolean valid = true;
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426 if(c instanceof DynamicForm) {
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427 DynamicForm f = (DynamicForm) c;
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428 return !f.hasErrors();
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429 }
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430 else if(c.getChildren().length > 0) {
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431 for (Canvas child: c.getChildren()) {
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432 valid = validateCanvas(child);
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433 if(!valid) {
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434 return valid;
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435 }
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436 }
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437 }
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438 return valid;
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439 }
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440 }
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441 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org