Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/map/DrawControl.java @ 850:d02c3835df28

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Set the 'typ' attribute of new features (digitized) in the map. flys-client/trunk@2634 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 01 Sep 2011 12:49:12 +0000
parents 95cc560ce7c4
children f5855350fc03
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 java.util.LinkedHashMap;
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4
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5 import com.google.gwt.core.client.GWT;
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6
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7 import com.smartgwt.client.types.SelectionType;
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8 import com.smartgwt.client.widgets.ImgButton;
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9 import com.smartgwt.client.widgets.events.ClickEvent;
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10 import com.smartgwt.client.widgets.events.ClickHandler;
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11 import com.smartgwt.client.widgets.form.DynamicForm;
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12 import com.smartgwt.client.widgets.form.fields.SelectItem;
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13 import com.smartgwt.client.widgets.form.fields.FormItem;
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14 import com.smartgwt.client.widgets.form.fields.events.ChangedEvent;
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15 import com.smartgwt.client.widgets.form.fields.events.ChangedHandler;
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16 import com.smartgwt.client.widgets.layout.HLayout;
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17
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18 import org.gwtopenmaps.openlayers.client.Map;
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19 import org.gwtopenmaps.openlayers.client.control.Control;
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20 import org.gwtopenmaps.openlayers.client.control.DrawFeature;
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21 import org.gwtopenmaps.openlayers.client.event.VectorFeatureAddedListener;
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22 import org.gwtopenmaps.openlayers.client.event.VectorFeatureAddedListener.FeatureAddedEvent;
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23 import org.gwtopenmaps.openlayers.client.feature.VectorFeature;
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24 import org.gwtopenmaps.openlayers.client.handler.Handler;
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25 import org.gwtopenmaps.openlayers.client.handler.PathHandler;
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26 import org.gwtopenmaps.openlayers.client.handler.PolygonHandler;
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27 import org.gwtopenmaps.openlayers.client.layer.Vector;
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28 import org.gwtopenmaps.openlayers.client.util.Attributes;
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29
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30 import de.intevation.flys.client.client.FLYSConstants;
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31 import de.intevation.flys.client.client.utils.EnableDisableCmd;
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32
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33
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34 public class DrawControl extends HLayout implements VectorFeatureAddedListener {
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35
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36 public static final String BARRIER_PIPE1 = "pipe1";
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37 public static final String BARRIER_PIPE2 = "pipe2";
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38 public static final String BARRIER_DITCH = "ditch";
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39 public static final String BARRIER_DAM = "dam";
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40 public static final String BARRIER_RINGDIKE = "ring_dike";
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41
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42 public static final String FIELD_BARRIER_TYPE = "field_barrier_type";
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43
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44
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45 protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
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46
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47 protected EnableDisableCmd cmd;
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48
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49 protected ImgButton button;
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50 protected DynamicForm form;
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51
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52 protected Map map;
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53 protected Vector layer;
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54
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55 protected Control control;
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56
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57
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58 public DrawControl(Map map, Vector layer, EnableDisableCmd cmd) {
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59 this.map = map;
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60 this.layer = layer;
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61 this.cmd = cmd;
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62
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63 initialize();
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64 }
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65
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66
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67 protected void initialize() {
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68 setWidth(100);
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69 setMembersMargin(0);
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70
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71 button = new ImgButton();
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72
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73 String baseUrl = GWT.getHostPageBaseURL();
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74 button.setSrc(baseUrl + MSG.digitize());
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75 button.setActionType(SelectionType.CHECKBOX);
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76 button.setSize(20);
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77 button.setShowRollOver(false);
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78 button.setSelected(false);
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79
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80 button.addClickHandler(new ClickHandler() {
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81 public void onClick(ClickEvent e) {
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82 if (button.isSelected()) {
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83 cmd.enable();
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84 }
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85 else {
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86 cmd.disable();
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87 }
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88 }
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89 });
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90
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91 form = new DynamicForm();
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92 form.setWidth(75);
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93 form.setTitlePrefix("");
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94 form.setTitleSuffix("");
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95
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96 LinkedHashMap<String, String> map = new LinkedHashMap<String, String>();
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97 map.put(BARRIER_PIPE1, MSG.getString(BARRIER_PIPE1));
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98 map.put(BARRIER_PIPE2, MSG.getString(BARRIER_PIPE2));
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99 map.put(BARRIER_DITCH, MSG.getString(BARRIER_DITCH));
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100 map.put(BARRIER_DAM, MSG.getString(BARRIER_DAM));
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101 map.put(BARRIER_RINGDIKE, MSG.getString(BARRIER_RINGDIKE));
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102
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103 SelectItem box = new SelectItem(FIELD_BARRIER_TYPE);
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104 box.setTitle("");
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105 box.setWidth(75);
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106 box.setValueMap(map);
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107 box.addChangedHandler(new ChangedHandler() {
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108 public void onChanged(ChangedEvent e) {
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109 setSelectedControl();
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110 }
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111 });
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112
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113 form.setFields(box);
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114
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115 addMember(button);
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116 addMember(form);
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117
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118 layer.addVectorFeatureAddedListener(this);
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119
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120 activate(false);
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121 }
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122
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123
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124 protected String getSelectedType() {
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125 return form.getValueAsString(FIELD_BARRIER_TYPE);
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126 }
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127
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128
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129 public void onFeatureAdded(FeatureAddedEvent evt) {
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130 setCurrentType(evt.getVectorFeature());
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131 }
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132
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133
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134 protected void setCurrentType(VectorFeature feature) {
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135 Attributes attrs = feature.getAttributes();
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136 String type = attrs.getAttributeAsString("typ");
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137
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138 if (type == null || type.length() == 0) {
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139 type = getSelectedType();
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140 attrs.setAttribute("typ", type);
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141 }
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142 }
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143
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144
800
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145 protected void removeControl() {
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146 if (control != null) {
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147 control.deactivate();
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148 map.removeControl(control);
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149 }
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150 }
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151
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152
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153 protected void setSelectedControl() {
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154 removeControl();
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155
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156 String type = getSelectedType();
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157
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158 if (type == null || type.length() == 0) {
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159 return;
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160 }
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161
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162 if (type.equalsIgnoreCase(BARRIER_RINGDIKE)) {
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163 control = createDrawPolygonControl();
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164 }
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165 else {
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166 control = createDrawLineControl();
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167 }
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168
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169 map.addControl(control);
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170 control.activate();
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171 }
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172
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173
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174 protected Control createDrawControl(Handler handler) {
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175 return new DrawFeature(layer, handler);
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176 }
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177
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178
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179 protected Control createDrawPolygonControl() {
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180 return createDrawControl(new PolygonHandler());
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181 }
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182
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183
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184 protected Control createDrawLineControl() {
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185 return createDrawControl(new PathHandler());
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186 }
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187
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188
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189 public void activate(boolean activate) {
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190 FormItem item = form.getField(FIELD_BARRIER_TYPE);
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191
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192 if (activate) {
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193 button.select();
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194 item.enable();
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195 setSelectedControl();
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196 }
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197 else {
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198 removeControl();
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199 button.deselect();
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200 item.disable();
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201 }
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202 }
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203 }
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204 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org