Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/map/ExternalWMSWindow.java @ 1406:6c8a29abbe30

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Added an initial control that allows (when it is finished) adding map layers from external WMS. flys-client/trunk@3291 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Fri, 18 Nov 2011 15:18:29 +0000
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children 5b5a20e4c4e5
rev   line source
1406
6c8a29abbe30 Added an initial control that allows (when it is finished) adding map layers from external WMS.
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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.user.client.ui.TextBox;
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4
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5 import com.smartgwt.client.util.SC;
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6 import com.smartgwt.client.widgets.Button;
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7 import com.smartgwt.client.widgets.Canvas;
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8 import com.smartgwt.client.widgets.Label;
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9 import com.smartgwt.client.widgets.Window;
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10 import com.smartgwt.client.widgets.events.ClickEvent;
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11 import com.smartgwt.client.widgets.events.ClickHandler;
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12 import com.smartgwt.client.widgets.layout.HLayout;
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13 import com.smartgwt.client.widgets.layout.Layout;
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14 import com.smartgwt.client.widgets.layout.VLayout;
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17 public class ExternalWMSWindow extends Window {
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18
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19 protected Layout inputPanel;
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20 protected Layout infoPanel;
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21 protected Layout layersPanel;
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22
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23 protected String url;
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26 public ExternalWMSWindow() {
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27 super();
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28 }
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30
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31 protected void setUrl(String url) {
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32 this.url = url;
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33 }
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34
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35
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36 protected String getUrl() {
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37 return url;
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38 }
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39
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40
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41 public void start() {
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42 show();
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43 centerInPage();
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44
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45 goToInputPanel();
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46 }
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47
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48
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49 protected void goToInputPanel() {
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50 clearItems();
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51
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52 inputPanel = createInputPanel();
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53
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54 addItem(inputPanel);
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55
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56 setWidth(380);
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57 setHeight(140);
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58 }
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59
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60
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61 protected void goToInfoPanel() {
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62 clearItems();
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63
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64 infoPanel = createInfoPanel();
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65
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66 addItem(infoPanel);
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67
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68 setWidth(500);
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69 setHeight(500);
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70 }
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71
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72
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73 protected void goToLayersPanel() {
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74 clearItems();
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75
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76 layersPanel = createLayersPanel();
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77
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78 addItem(layersPanel);
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79
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80 setWidth(500);
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81 setHeight(500);
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82 }
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83
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84
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85 protected void clearItems() {
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86 Canvas[] items = getItems();
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87
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88 if (items != null) {
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89 for (Canvas item: items) {
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90 removeItem(item);
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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
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96 protected Layout createInputPanel() {
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97 // TODO I18N
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98 setTitle("Basis URL des WMS Dienstes");
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99
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100 final TextBox url = new TextBox();
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101 url.setHeight("25px");
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102 url.setWidth("326px");
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103
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104 String oldUrl = getUrl();
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105 if (oldUrl != null && oldUrl.length() > 0) {
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106 url.setValue(oldUrl);
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107 }
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108
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109 ClickHandler goHandler = new ClickHandler() {
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110 @Override
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111 public void onClick(ClickEvent e) {
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112 String newUrl = url.getValue();
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113
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114 if (!isUrlValid(newUrl)) {
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115 // TODO I18N
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116 SC.warn("Enter a valid URL!");
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117 return;
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118 }
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119
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120 setUrl(url.getValue());
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121 goToInfoPanel();
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122 }
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123 };
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124
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125 ClickHandler cancelHandler = new ClickHandler() {
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126 @Override
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127 public void onClick(ClickEvent e) {
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128 quit();
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129 }
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130 };
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131
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132 VLayout root = new VLayout();
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133 root.setHeight(75);
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134 root.setMargin(10);
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135 root.setLayoutMargin(10);
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136
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137 root.addMember(url);
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138 root.addMember(createButtonPanel(null, goHandler, cancelHandler));
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139
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140 return root;
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141 }
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142
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143
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144 protected Layout createInfoPanel() {
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145 // TODO I18N
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146 setTitle("Informationen des WMS Dienstes");
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147
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148 ClickHandler backHandler = new ClickHandler() {
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149 @Override
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150 public void onClick(ClickEvent e) {
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151 goToInputPanel();
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152 }
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153 };
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154
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155 ClickHandler goHandler = new ClickHandler() {
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156 @Override
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157 public void onClick(ClickEvent e) {
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158 goToLayersPanel();
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159 }
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160 };
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161
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162 ClickHandler cancelHandler = new ClickHandler() {
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163 @Override
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164 public void onClick(ClickEvent e) {
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165 quit();
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166 }
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167 };
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168
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169 VLayout root = new VLayout();
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170
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171 root.addMember(new Label("STEP 2: " + getUrl()));
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172
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173 // TODO IMPLEMENT ME
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174
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175 root.addMember(createButtonPanel(backHandler, goHandler, cancelHandler));
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176
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177 return root;
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178 }
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179
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180
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181 protected Layout createLayersPanel() {
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182 // TODO I18N
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183 setTitle("Ebene auswählen");
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184
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185 ClickHandler backHandler = new ClickHandler() {
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186 @Override
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187 public void onClick(ClickEvent e) {
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188 goToInfoPanel();
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189 }
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190 };
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191
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192 ClickHandler goHandler = new ClickHandler() {
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193 @Override
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194 public void onClick(ClickEvent e) {
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195 goToLayersPanel();
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196 }
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197 };
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198
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199 ClickHandler cancelHandler = new ClickHandler() {
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200 @Override
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201 public void onClick(ClickEvent e) {
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202 quit();
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203 }
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204 };
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205
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206 VLayout root = new VLayout();
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207
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208 root.addMember(new Label("STEP 3"));
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209
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210 // TODO IMPLEMENT ME
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211
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212 root.addMember(createButtonPanel(backHandler, goHandler, cancelHandler));
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213
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214 return root;
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215 }
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216
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217
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218 /**
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219 * @param back
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220 * @param ok
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221 * @param cancel
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222 *
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223 * @return
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224 */
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225 protected Layout createButtonPanel(
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226 ClickHandler backHandler,
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227 ClickHandler goHandler,
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228 ClickHandler cancelHandler
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229 ) {
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230 Button back = new Button("Back");
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231 Button go = new Button("Go on");
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232 Button cancel = new Button("Cancel");
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233
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234 if (backHandler != null) {
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235 back.addClickHandler(backHandler);
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236 }
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237 else {
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238 back.setDisabled(true);
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239 }
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240
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241 if (goHandler != null) {
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242 go.addClickHandler(goHandler);
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243 }
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244 else {
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245 go.setDisabled(true);
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246 }
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247
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248 if (cancelHandler != null) {
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249 cancel.addClickHandler(cancelHandler);
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250 }
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251 else {
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252 cancel.setDisabled(true);
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253 }
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254
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255 HLayout buttonPanel = new HLayout();
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256 buttonPanel.setHeight(25);
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257 buttonPanel.setMembersMargin(15);
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258 buttonPanel.setLayoutTopMargin(10);
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259 buttonPanel.addMember(back);
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260 buttonPanel.addMember(go);
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261 buttonPanel.addMember(cancel);
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262
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263 return buttonPanel;
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264 }
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265
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266
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267 protected boolean isUrlValid(String url) {
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268 // TODO Improve URL validation
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269 return !(url == null || url.length() == 0);
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270 }
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271
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272
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273 protected void quit() {
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274 destroy();
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275 }
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276 }
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277 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org