Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/map/ExternalWMSWindow.java @ 1409:ec6e4dad1279

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Read and display all FLYS relevant information of Capabilities documents. flys-client/trunk@3296 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Mon, 21 Nov 2011 18:15:44 +0000
parents 5b5a20e4c4e5
children 6bb2c1ffab2b
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 import com.google.gwt.user.client.rpc.AsyncCallback;
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5 import com.google.gwt.user.client.ui.TextBox;
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6
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7 import com.smartgwt.client.util.SC;
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8 import com.smartgwt.client.widgets.Button;
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9 import com.smartgwt.client.widgets.Canvas;
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10 import com.smartgwt.client.widgets.Label;
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11 import com.smartgwt.client.widgets.Window;
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12 import com.smartgwt.client.widgets.events.ClickEvent;
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13 import com.smartgwt.client.widgets.events.ClickHandler;
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14 import com.smartgwt.client.widgets.layout.HLayout;
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15 import com.smartgwt.client.widgets.layout.Layout;
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16 import com.smartgwt.client.widgets.layout.VLayout;
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17
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18 import de.intevation.flys.client.shared.model.Capabilities;
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19 import de.intevation.flys.client.client.FLYSConstants;
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20 import de.intevation.flys.client.client.services.GCService;
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21 import de.intevation.flys.client.client.services.GCServiceAsync;
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24 public class ExternalWMSWindow extends Window {
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26 protected GCServiceAsync gcService = GWT.create(GCService.class);
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27 protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
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29 protected Layout inputPanel;
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30 protected Layout infoPanel;
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31 protected Layout layersPanel;
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32
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33 protected Capabilities capabilites;
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35 protected String url;
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36
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37
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38 public ExternalWMSWindow() {
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39 super();
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40 }
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42
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43 protected void setUrl(String url) {
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44 this.url = url;
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45 }
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47
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48 protected String getUrl() {
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49 return url;
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50 }
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53 protected String getCapabilitiesUrl() {
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54 String cUrl = url;
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55
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56 if (url.indexOf("?") >= 0) {
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57 cUrl += "&SERVICE=WMS&REQUEST=GetCapabilities";
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58 }
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59 else {
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60 cUrl += "?SERVICE=WMS&REQUEST=GetCapabilities";
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61 }
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62
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63 return cUrl;
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64 }
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65
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66
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67 protected void setCapabilites(Capabilities capabilites) {
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68 this.capabilites = capabilites;
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69 }
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70
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72 public void start() {
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73 show();
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74 centerInPage();
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75
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76 goToInputPanel();
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77 }
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78
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79
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80 protected void goToInputPanel() {
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81 clearItems();
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82
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83 inputPanel = createInputPanel();
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84
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85 addItem(inputPanel);
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86
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87 setWidth(380);
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88 setHeight(140);
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89 }
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90
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92 protected void goToInfoPanel() {
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93 clearItems();
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94
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95 infoPanel = createInfoPanel();
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96
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97 addItem(infoPanel);
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98
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99 setWidth(500);
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100 setHeight(500);
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ec6e4dad1279 Read and display all FLYS relevant information of Capabilities documents.
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101
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102 centerInPage();
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103 }
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104
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105
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106 protected void goToLayersPanel() {
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107 clearItems();
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108
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109 layersPanel = createLayersPanel();
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110
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111 addItem(layersPanel);
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112
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113 setWidth(500);
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114 setHeight(500);
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115 }
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116
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117
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118 protected void clearItems() {
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119 Canvas[] items = getItems();
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120
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121 if (items != null) {
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122 for (Canvas item: items) {
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123 removeItem(item);
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124 }
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125 }
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126 }
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127
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128
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129 protected Layout createInputPanel() {
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130 // TODO I18N
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131 setTitle("Basis URL des WMS Dienstes");
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132
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133 final TextBox url = new TextBox();
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134 url.setHeight("25px");
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135 url.setWidth("326px");
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136
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137 String oldUrl = getUrl();
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138 if (oldUrl != null && oldUrl.length() > 0) {
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139 url.setValue(oldUrl);
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140 }
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141
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142 ClickHandler goHandler = new ClickHandler() {
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143 @Override
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144 public void onClick(ClickEvent e) {
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145 String newUrl = url.getValue();
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146
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147 if (!isUrlValid(newUrl)) {
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148 // TODO I18N
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149 SC.warn("Enter a valid URL!");
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150 return;
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151 }
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152
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153 setUrl(url.getValue());
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154
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155 doCapabilitesRequest();
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156 }
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157 };
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158
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159 ClickHandler cancelHandler = new ClickHandler() {
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160 @Override
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161 public void onClick(ClickEvent e) {
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162 quit();
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163 }
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164 };
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165
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166 VLayout root = new VLayout();
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167 root.setHeight(75);
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168 root.setMargin(10);
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169 root.setLayoutMargin(10);
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170
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171 root.addMember(url);
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172 root.addMember(createButtonPanel(null, goHandler, cancelHandler));
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173
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174 return root;
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175 }
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176
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177
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178 protected Layout createInfoPanel() {
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179 // TODO I18N
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180 setTitle("Informationen des WMS Dienstes");
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181
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182 ClickHandler backHandler = new ClickHandler() {
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183 @Override
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184 public void onClick(ClickEvent e) {
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185 goToInputPanel();
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186 }
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187 };
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188
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189 ClickHandler goHandler = new ClickHandler() {
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190 @Override
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191 public void onClick(ClickEvent e) {
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192 goToLayersPanel();
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193 }
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194 };
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195
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196 ClickHandler cancelHandler = new ClickHandler() {
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197 @Override
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198 public void onClick(ClickEvent e) {
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199 quit();
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200 }
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201 };
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202
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203 VLayout root = new VLayout();
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204 VLayout panel = new CapabilitiesPanel(capabilites);
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205
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206 root.setLayoutMargin(10);
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207 panel.setHeight(420);
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208
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209 root.addMember(panel);
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210 root.addMember(createButtonPanel(backHandler, goHandler, cancelHandler));
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211
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212 return root;
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213 }
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214
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215
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216 protected Layout createLayersPanel() {
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217 // TODO I18N
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218 setTitle("Ebene auswählen");
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219
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220 ClickHandler backHandler = new ClickHandler() {
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221 @Override
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222 public void onClick(ClickEvent e) {
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223 goToInfoPanel();
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224 }
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225 };
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226
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227 ClickHandler goHandler = new ClickHandler() {
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228 @Override
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229 public void onClick(ClickEvent e) {
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230 goToLayersPanel();
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231 }
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232 };
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233
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234 ClickHandler cancelHandler = new ClickHandler() {
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235 @Override
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236 public void onClick(ClickEvent e) {
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237 quit();
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238 }
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239 };
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240
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241 VLayout root = new VLayout();
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242
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243 root.addMember(new Label("STEP 3"));
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244
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245 // TODO IMPLEMENT ME
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246
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247 root.addMember(createButtonPanel(backHandler, goHandler, cancelHandler));
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248
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249 return root;
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250 }
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251
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252
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253 /**
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254 * @param back
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255 * @param ok
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256 * @param cancel
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257 *
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258 * @return
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259 */
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260 protected Layout createButtonPanel(
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261 ClickHandler backHandler,
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262 ClickHandler goHandler,
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263 ClickHandler cancelHandler
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264 ) {
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265 Button back = new Button("Back");
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266 Button go = new Button("Go on");
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267 Button cancel = new Button("Cancel");
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268
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269 if (backHandler != null) {
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270 back.addClickHandler(backHandler);
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271 }
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272 else {
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273 back.setDisabled(true);
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274 }
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275
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276 if (goHandler != null) {
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277 go.addClickHandler(goHandler);
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278 }
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279 else {
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280 go.setDisabled(true);
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281 }
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282
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283 if (cancelHandler != null) {
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284 cancel.addClickHandler(cancelHandler);
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285 }
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286 else {
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287 cancel.setDisabled(true);
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288 }
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289
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290 HLayout buttonPanel = new HLayout();
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291 buttonPanel.setHeight(25);
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292 buttonPanel.setMembersMargin(15);
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293 buttonPanel.setLayoutTopMargin(10);
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294 buttonPanel.addMember(back);
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295 buttonPanel.addMember(go);
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296 buttonPanel.addMember(cancel);
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297
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298 return buttonPanel;
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299 }
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300
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301
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302 protected boolean isUrlValid(String url) {
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303 // TODO Improve URL validation
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304 return !(url == null || url.length() == 0);
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305 }
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306
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307
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308 protected void quit() {
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309 destroy();
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310 }
1408
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311
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312
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313 protected void doCapabilitesRequest() {
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314 gcService.query(getCapabilitiesUrl(),new AsyncCallback<Capabilities>() {
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315 public void onFailure(Throwable e) {
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316 SC.warn(MSG.getString(e.getMessage()));
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317 }
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318
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319 public void onSuccess(Capabilities capabilites) {
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320 setCapabilites(capabilites);
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321 goToInfoPanel();
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322 }
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323 });
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324 }
1406
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325 }
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326 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org