Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/map/MeasureControl.java @ 880:22dc88b17253

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Added tooltips for the maptoolbar. flys-client/trunk@2709 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 13 Sep 2011 04:49:10 +0000
parents d45ad7fd3027
children 887eb0cd7dfc
rev   line source
802
d45ad7fd3027 Added map tools to measure lines and polygons.
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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.ImgButton;
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7 import com.smartgwt.client.widgets.Label;
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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.control.Measure;
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13 import org.gwtopenmaps.openlayers.client.event.MeasureEvent;
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14 import org.gwtopenmaps.openlayers.client.event.MeasureListener;
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15 import org.gwtopenmaps.openlayers.client.event.MeasurePartialListener;
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16 import org.gwtopenmaps.openlayers.client.handler.PathHandler;
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17 import org.gwtopenmaps.openlayers.client.handler.PolygonHandler;
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18
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19 import de.intevation.flys.client.client.FLYSConstants;
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20 import de.intevation.flys.client.client.utils.EnableDisableCmd;
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21
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22
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23 public class MeasureControl extends HLayout {
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24
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25 protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
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26
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27 protected FloodMap floodMap;
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28
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29 protected Measure measureLine;
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30 protected Measure measurePolygon;
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31
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32 protected ImgButton measureLineButton;
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33 protected ImgButton measurePolyButton;
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34 protected Label label;
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35
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36
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37 public MeasureControl(FloodMap floodMap, EnableDisableCmd cmd) {
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38 this.floodMap = floodMap;
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39
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40 measureLineButton = createMeasureLineControl(cmd);
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41 measurePolyButton = createMeasurePolyControl(cmd);
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42
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43 label = new Label();
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44
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45 initLayout();
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46 }
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47
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48
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49 protected void initLayout() {
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50 setMembersMargin(2);
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51 addMember(measureLineButton);
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52 addMember(measurePolyButton);
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53 addMember(label);
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54 }
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55
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56
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57 protected ImgButton createMeasureLineControl(final EnableDisableCmd cmd) {
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58 measureLine = new Measure(new PathHandler());
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59 measureLine.setPersist(true);
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60 measureLine.addMeasureListener(new MeasureListener() {
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61 public void onMeasure(MeasureEvent e) {
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62 updateMeasure(e.getMeasure(), e.getUnits());
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63 }
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64 });
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65 measureLine.addMeasurePartialListener(new MeasurePartialListener() {
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66 public void onMeasurePartial(MeasureEvent e) {
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67 updateMeasure(e.getMeasure(), e.getUnits());
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68 }
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69 });
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70
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71 floodMap.getMap().addControl(measureLine);
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72
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73 final ImgButton btn = new ImgButton();
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74 String baseUrl = GWT.getHostPageBaseURL();
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75 btn.setSrc(baseUrl + MSG.measureLine());
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76 btn.setActionType(SelectionType.CHECKBOX);
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77 btn.setSize(20);
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78 btn.setShowRollOver(false);
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79 btn.setSelected(false);
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80 btn.setTooltip(MSG.measureDistance());
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81 btn.addClickHandler(new ClickHandler() {
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82 public void onClick(ClickEvent e) {
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83 if (btn.isSelected()) {
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84 cmd.enable();
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85 activateMeasurePolygon(false);
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86 activateMeasureLine(true);
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87 }
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88 else {
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89 cmd.disable();
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90 activateMeasureLine(false);
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91 }
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92 }
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93 });
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94
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95 return btn;
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96 }
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97
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98
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99 protected ImgButton createMeasurePolyControl(final EnableDisableCmd cmd) {
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100 measurePolygon = new Measure(new PolygonHandler());
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101 measurePolygon.setPersist(true);
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102 measurePolygon.addMeasureListener(new MeasureListener() {
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103 public void onMeasure(MeasureEvent e) {
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104 updateMeasure(e.getMeasure(), e.getUnits());
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105 }
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106 });
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107 measurePolygon.addMeasurePartialListener(new MeasurePartialListener() {
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108 public void onMeasurePartial(MeasureEvent e) {
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109 updateMeasure(e.getMeasure(), e.getUnits());
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110 }
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111 });
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112
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113 floodMap.getMap().addControl(measurePolygon);
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114
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115 final ImgButton btn = new ImgButton();
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116 String baseUrl = GWT.getHostPageBaseURL();
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117 btn.setSrc(baseUrl + MSG.measurePolygon());
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118 btn.setActionType(SelectionType.CHECKBOX);
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119 btn.setSize(20);
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120 btn.setShowRollOver(false);
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121 btn.setSelected(false);
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122 btn.setTooltip(MSG.measureArea());
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123 btn.addClickHandler(new ClickHandler() {
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124 public void onClick(ClickEvent e) {
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125 if (btn.isSelected()) {
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126 cmd.enable();
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127 activateMeasureLine(false);
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128 activateMeasurePolygon(true);
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129 }
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130 else {
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131 cmd.disable();
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132 activateMeasurePolygon(false);
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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 return btn;
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138 }
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139
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140
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141 protected void clearMeasure() {
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142 label.setContents("");
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143 }
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144
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145
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146 protected void updateMeasure(float value, String unit) {
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147 label.setContents(String.valueOf(value) + " " + unit);
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148 }
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149
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150
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151 public void activate(boolean activate) {
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152 if (!activate) {
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153 clearMeasure();
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154 activateMeasureLine(activate);
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155 activateMeasurePolygon(activate);
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156 }
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157 }
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158
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159
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160 protected void activateMeasureLine(boolean activate) {
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161 if (activate) {
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162 clearMeasure();
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163 measureLineButton.select();
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164 measureLine.activate();
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165 }
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166 else {
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167 measureLineButton.deselect();
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168 measureLine.deactivate();
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169 }
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170 }
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171
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172
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173 protected void activateMeasurePolygon(boolean activate) {
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174 if (activate) {
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175 clearMeasure();
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176 measurePolyButton.select();
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177 measurePolygon.activate();
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178 }
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179 else {
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180 measurePolyButton.deselect();
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181 measurePolygon.deactivate();
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182 }
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183 }
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184 }
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185 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org