Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/map/MapToolbar.java @ 833:dcecdd9693a8

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Added a UIProvider that displays a combobox on the left and a map widget in the helper container. flys-client/trunk@2544 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 24 Aug 2011 08:36:51 +0000
parents 1b9b7e9ab219
children 22dc88b17253
rev   line source
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1 package de.intevation.flys.client.client.ui.map;
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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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5 import com.smartgwt.client.types.SelectionType;
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6 import com.smartgwt.client.widgets.Canvas;
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7 import com.smartgwt.client.widgets.ImgButton;
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8 import com.smartgwt.client.widgets.events.ClickEvent;
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9 import com.smartgwt.client.widgets.events.ClickHandler;
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10 import com.smartgwt.client.widgets.layout.HLayout;
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11
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12 import org.gwtopenmaps.openlayers.client.Map;
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13 import org.gwtopenmaps.openlayers.client.control.DragPan;
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14 import org.gwtopenmaps.openlayers.client.control.SelectFeature;
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15 import org.gwtopenmaps.openlayers.client.control.SelectFeatureOptions;
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16 import org.gwtopenmaps.openlayers.client.control.ZoomBox;
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17 import org.gwtopenmaps.openlayers.client.feature.VectorFeature;
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18 import org.gwtopenmaps.openlayers.client.layer.Vector;
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19 import org.gwtopenmaps.openlayers.client.util.Attributes;
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20
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21 import de.intevation.flys.client.client.FLYSConstants;
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22 import de.intevation.flys.client.client.utils.EnableDisableCmd;
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23
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24
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25 /**
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26 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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27 */
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28 public class MapToolbar extends HLayout {
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29
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30 public static final String MARK_TO_DELETE = "mark.delete";
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31
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32 protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
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33
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34 protected FloodMap floodMap;
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35 protected DragPan pan;
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36 protected ZoomBox zoomBox;
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37 protected SelectFeature selectFeature;
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38
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39 protected ImgButton zoomToMaxButton;
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40 protected ImgButton zoomBoxButton;
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41 protected ImgButton zoomOutButton;
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42 protected ImgButton panButton;
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43 protected ImgButton selectButton;
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44 protected ImgButton removeButton;
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45
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46 protected DrawControl drawControl;
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47 protected MeasureControl measureControl;
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48
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49 protected Canvas position;
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50
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51
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52 public MapToolbar(FloodMap floodMap, Canvas wrapper) {
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53 this(floodMap, wrapper, true);
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54 }
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55
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56
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57 public MapToolbar(FloodMap floodMap, Canvas wrapper, boolean digitize) {
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58 super();
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59
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60 setWidth100();
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61 setHeight(30);
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62 setMembersMargin(10);
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63 setPadding(5);
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64 setBorder("1px solid black");
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65
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66 this.floodMap = floodMap;
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67
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68 Canvas spacer = new Canvas();
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69 spacer.setWidth("*");
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70
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71 zoomToMaxButton = createMaxExtentControl();
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72 zoomBoxButton = createZoomBoxControl();
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73 zoomOutButton = createZoomOutControl();
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74 panButton = createPanControl();
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75 drawControl = createDrawControl();
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76 selectButton = createSelectFeatureControl();
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77 measureControl = createMeasureControl();
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78 position = createMousePosition(wrapper);
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79 removeButton = createRemoveFeatureControl();
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80
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81 addMember(zoomToMaxButton);
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82 addMember(zoomBoxButton);
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83 addMember(zoomOutButton);
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84 addMember(panButton);
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85
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86 if (digitize) {
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87 addMember(drawControl);
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88 addMember(selectButton);
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89 addMember(removeButton);
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90 }
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91
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92 addMember(measureControl);
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93 addMember(spacer);
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94 addMember(position);
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95 }
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96
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97
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98 protected Map getMap() {
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99 return floodMap.getMap();
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100 }
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102
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103 protected void activatePan(boolean activate) {
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104 if (activate) {
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105 panButton.select();
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106 pan.activate();
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107 }
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108 else {
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109 panButton.deselect();
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110 pan.deactivate();
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111 }
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112 }
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114
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115 protected void activateZoomBox(boolean activate) {
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116 if (activate) {
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117 zoomBoxButton.select();
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118 zoomBox.activate();
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119 }
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120 else {
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121 zoomBoxButton.deselect();
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122 zoomBox.deactivate();
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123 }
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124 }
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125
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126
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127 protected void activateDrawFeature(boolean activate) {
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128 drawControl.activate(activate);
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129 }
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130
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131
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132 protected void activateSelectFeature(boolean activate) {
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133 if (activate) {
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134 selectButton.select();
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135 selectFeature.activate();
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136 }
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137 else {
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138 selectButton.deselect();
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139 selectFeature.deactivate();
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140 }
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141 }
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142
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143
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144 protected void activateMeasureControl(boolean activate) {
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145 measureControl.activate(activate);
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146 }
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147
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148
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149 protected ImgButton createButton(String img, ClickHandler handler) {
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150 ImgButton btn = new ImgButton();
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151
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152 String baseUrl = GWT.getHostPageBaseURL();
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153 btn.setSrc(baseUrl + img);
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154 btn.setWidth(20);
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155 btn.setHeight(20);
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156 btn.setShowDown(false);
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157 btn.setShowRollOver(false);
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158 btn.setShowDisabled(false);
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159 btn.setShowDisabledIcon(true);
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160 btn.setShowDownIcon(false);
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161 btn.setShowFocusedIcon(false);
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162
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163 if (handler != null) {
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164 btn.addClickHandler(handler);
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165 }
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166
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167 return btn;
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168 }
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169
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170
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171 protected ImgButton createToggleButton(
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172 String img,
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173 final EnableDisableCmd cmd
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174 ) {
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175 final ImgButton btn = new ImgButton();
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176
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177 String baseUrl = GWT.getHostPageBaseURL();
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178 btn.setSrc(baseUrl + img);
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179 btn.setActionType(SelectionType.CHECKBOX);
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180 btn.setSize(20);
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181 btn.setShowRollOver(false);
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182 btn.setSelected(false);
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183 btn.addClickHandler(new ClickHandler() {
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184 public void onClick(ClickEvent e) {
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185 if (btn.isSelected()) {
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186 cmd.enable();
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187 }
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188 else {
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189 cmd.disable();
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190 }
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191 }
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192 });
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193
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194 return btn;
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195 }
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196
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197
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198 protected ImgButton createMaxExtentControl() {
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199 ImgButton zoomToMax = createButton(MSG.zoom_all(), new ClickHandler() {
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200 public void onClick(ClickEvent event) {
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201 floodMap.getMap().zoomToMaxExtent();
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202 }
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203 });
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204
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205 return zoomToMax;
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206 }
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207
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208
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209 protected ImgButton createZoomBoxControl() {
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210 zoomBox = new ZoomBox();
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211
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212 EnableDisableCmd cmd = new EnableDisableCmd() {
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213 public void enable() {
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214 activateZoomBox(true);
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215 activatePan(false);
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216 activateDrawFeature(false);
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217 activateSelectFeature(false);
802
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218 activateMeasureControl(false);
800
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219 }
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220
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221 public void disable() {
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222 activateZoomBox(false);
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223 }
800
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224 };
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225
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226 ImgButton button = createToggleButton(MSG.zoom_in(), cmd);
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227 Map map = getMap();
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228 map.addControl(zoomBox);
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229
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230 return button;
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231 }
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232
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233
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234 protected ImgButton createZoomOutControl() {
800
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235 ImgButton zoomOut = createButton(MSG.zoom_out(), new ClickHandler() {
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236 public void onClick(ClickEvent event) {
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237 Map map = floodMap.getMap();
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238 int level = map.getZoom();
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239
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240 if (level > 1) {
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241 map.zoomTo(level-1);
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242 }
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243 }
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244 });
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245
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246 return zoomOut;
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247 }
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248
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249
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250 protected ImgButton createPanControl() {
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251 pan = new DragPan();
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252 getMap().addControl(pan);
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253
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254 EnableDisableCmd cmd = new EnableDisableCmd() {
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255 public void enable() {
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256 activateZoomBox(false);
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257 activatePan(true);
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258 activateDrawFeature(false);
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259 activateSelectFeature(false);
802
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diff changeset
260 activateMeasureControl(false);
800
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261 }
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262
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263 public void disable() {
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264 activatePan(false);
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265 }
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266 };
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267
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268 final ImgButton button = createToggleButton(MSG.pan(), cmd);
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269
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270 return button;
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271 }
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272
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diff changeset
273
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274 protected DrawControl createDrawControl() {
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275 EnableDisableCmd cmd = new EnableDisableCmd() {
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276 public void enable() {
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277 activateZoomBox(false);
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278 activatePan(false);
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279 activateDrawFeature(true);
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280 activateSelectFeature(false);
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281 activateMeasureControl(false);
800
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282 }
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283
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284 public void disable() {
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285 activateDrawFeature(false);
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286 }
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287 };
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288 return new DrawControl(getMap(), floodMap.getBarrierLayer(), cmd);
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289 }
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290
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291
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292 protected ImgButton createSelectFeatureControl() {
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293 SelectFeatureOptions opts = new SelectFeatureOptions();
825
1b9b7e9ab219 Save and reload user defined geometries (barriers) in the map.
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294 opts.setBox(true);
800
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295
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296 // VectorFeatures selected by the SelectFeature control are manually
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297 // marked with the string "mark.delete". The control to remove selected
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298 // features makes use of this string to determine if the feature should
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299 // be deleted (is marked) or not. Actually, we would like to use the
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300 // OpenLayers native mechanism to select features, but for some reason
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301 // this doesn't work here. After a feature has been selected, the layer
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302 // still has no selected features.
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303 opts.onSelect(new SelectFeature.SelectFeatureListener() {
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304 public void onFeatureSelected(VectorFeature feature) {
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305 Attributes attr = feature.getAttributes();
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306 attr.setAttribute(MARK_TO_DELETE, 1);
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307 }
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308 });
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309
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310 opts.onUnSelect(new SelectFeature.UnselectFeatureListener() {
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311 public void onFeatureUnselected(VectorFeature feature) {
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312 Attributes attr = feature.getAttributes();
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313 attr.setAttribute(MARK_TO_DELETE, 0);
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314 }
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315 });
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316
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317 selectFeature = new SelectFeature(floodMap.getBarrierLayer(), opts);
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318 getMap().addControl(selectFeature);
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319
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320 EnableDisableCmd cmd = new EnableDisableCmd() {
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321 public void enable() {
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322 activateDrawFeature(false);
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323 activatePan(false);
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324 activateZoomBox(false);
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325 activateSelectFeature(true);
802
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326 activateMeasureControl(false);
800
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327 }
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328
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329 public void disable() {
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330 activateSelectFeature(false);
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331 }
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332 };
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333
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334 ImgButton button = createToggleButton(MSG.selectFeature(), cmd);
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335
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336 return button;
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337 }
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338
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339
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340 protected ImgButton createRemoveFeatureControl() {
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341 ImgButton remove = createButton(MSG.removeFeature(),new ClickHandler() {
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342 public void onClick(ClickEvent event) {
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343 Vector barriers = floodMap.getBarrierLayer();
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344 VectorFeature[] features = barriers.getFeatures();
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345
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346 if (features == null || features.length == 0) {
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347 return;
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348 }
800
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349
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350 for (int i = features.length-1; i >= 0; i--) {
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351 VectorFeature feature = features[i];
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352
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353 Attributes attr = feature.getAttributes();
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354 int del = attr.getAttributeAsInt(MARK_TO_DELETE);
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355
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356 if (del == 1) {
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357 barriers.removeFeature(feature);
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358 feature.destroy();
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359 }
799
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360 }
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361 }
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362 });
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363
800
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364 return remove;
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365 }
799
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366
800
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367
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368 protected Canvas createMousePosition(Canvas mapWrapper) {
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369 return new MapPositionPanel(floodMap.getMapWidget(), mapWrapper);
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370 }
802
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371
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372
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373 protected MeasureControl createMeasureControl() {
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374 EnableDisableCmd cmd = new EnableDisableCmd() {
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375 public void enable() {
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376 activateDrawFeature(false);
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377 activatePan(false);
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378 activateZoomBox(false);
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379 activateSelectFeature(false);
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380 }
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381
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382 public void disable() {
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383 // do nothing
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384 }
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385 };
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386
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387 return new MeasureControl(floodMap, cmd);
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388 }
799
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389 }
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390 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org