Mercurial > dive4elements > river

annotate gwt-client/src/main/java/org/dive4elements/river/client/client/ui/LoadingPanel.java @ 8644:c15cebcf60da

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Remove JavaScript greeting exception. This fixes the Error "$wnd.unHighlight" is not a function exception at startup. This apperantly did not do anything (as the function does not exist) and was not necessary (as everything works as expected) So just throw it away.
author Andre Heinecke <andre.heinecke@intevation.de>
date Fri, 27 Mar 2015 19:10:02 +0100
parents ea9eef426962
children
rev   line source
5861
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.client.client.ui;
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10
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11 import com.google.gwt.core.client.GWT;
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12 import com.google.gwt.user.client.Timer;
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13 import com.google.gwt.user.client.rpc.AsyncCallback;
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14
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15 import com.smartgwt.client.types.Alignment;
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16 import com.smartgwt.client.types.Positioning;
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17 import com.smartgwt.client.types.VerticalAlignment;
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18 import com.smartgwt.client.widgets.Canvas;
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19 import com.smartgwt.client.widgets.Img;
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20 import com.smartgwt.client.widgets.Label;
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21 import com.smartgwt.client.widgets.events.ClickEvent;
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22 import com.smartgwt.client.widgets.events.ClickHandler;
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23 import com.smartgwt.client.widgets.layout.HLayout;
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24 import com.smartgwt.client.widgets.layout.VLayout;
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25
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26 import org.dive4elements.river.client.client.Config;
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27 import org.dive4elements.river.client.client.FLYSConstants;
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28 import org.dive4elements.river.client.client.event.HasStepBackHandlers;
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29 import org.dive4elements.river.client.client.event.StepBackEvent;
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30 import org.dive4elements.river.client.client.event.StepBackHandler;
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31 import org.dive4elements.river.client.client.services.DescribeArtifactService;
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32 import org.dive4elements.river.client.client.services.DescribeArtifactServiceAsync;
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33 import org.dive4elements.river.client.shared.model.Artifact;
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34 import org.dive4elements.river.client.shared.model.ArtifactDescription;
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35 import org.dive4elements.river.client.shared.model.CalculationMessage;
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36 import org.dive4elements.river.client.shared.model.DataList;
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37
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38 import java.util.ArrayList;
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39 import java.util.List;
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40
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41
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42 public class LoadingPanel extends Canvas implements HasStepBackHandlers {
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43
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44 private static final long serialVersionUID = -7806425431408987601L;
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45
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46 public static final int UPDATE_INTERVAL = 1000 * 3;
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47
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48 public static final DescribeArtifactServiceAsync describe =
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49 GWT.create(DescribeArtifactService.class);
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50
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51 private FLYSConstants MSG = GWT.create(FLYSConstants.class);
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52
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53
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54 protected List<StepBackHandler> handlers;
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55
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56 protected CollectionView parent;
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57 protected Artifact artifact;
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58
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59 protected VLayout dialog;
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60 protected HLayout cancelRow;
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61 protected Label msg;
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62 protected Label title;
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63
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64 protected int i;
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65
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66
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67 public LoadingPanel(CollectionView parent, Artifact artifact) {
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68 super();
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69
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70 this.handlers = new ArrayList<StepBackHandler>();
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71 this.parent = parent;
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72 this.artifact = artifact;
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73 this.msg = new Label("");
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74 this.title = new Label("");
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75 this.dialog = createDialog();
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76
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77 this.i = 0;
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78
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79 initLayout();
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80 startTimer();
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81 }
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82
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83
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84 private void initLayout() {
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85 setWidth("100%");
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86 setHeight("98%");
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87 setBackgroundColor("#7f7f7f");
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88 setOpacity(50);
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89 setPosition(Positioning.RELATIVE);
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90
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91 parent.addChild(this);
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92 parent.addChild(dialog);
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93 dialog.moveTo(0, 20);
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94 moveTo(0, 7);
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95 }
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96
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97
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98 public void setArtifact(Artifact artifact) {
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99 this.artifact = artifact;
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100 }
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101
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102
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103 public Artifact getArtifact() {
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104 return artifact;
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105 }
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106
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107
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108 @Override
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109 public void addStepBackHandler(StepBackHandler handler) {
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110 if (handler != null) {
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111 handlers.add(handler);
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112 }
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113 }
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114
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115
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116 /**
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117 * This method is called after the user has clicked the button to cancel the
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118 * current process.
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119 *
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120 * @param e The StepBackEvent.
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121 */
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122 protected void fireStepBackEvent(StepBackEvent e) {
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123 for (StepBackHandler handler: handlers) {
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124 handler.onStepBack(e);
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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 VLayout createDialog() {
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130
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131 String baseUrl = GWT.getHostPageBaseURL();
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132
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133 title.setStyleName("loading-title");
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134 title.setHeight(25);
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135 title.setWidth100();
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136
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137 msg.setStyleName("loading-message");
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138 msg.setValign(VerticalAlignment.TOP);
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139 msg.setWidth100();
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140 msg.setHeight(100);
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141
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142 Img img = new Img(baseUrl + MSG.loadingImg(), 25, 25);
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143
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144 Label cancelLabel = new Label(MSG.cancelCalculationLabel());
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145 Img cancel = new Img(baseUrl + MSG.cancelCalculation(), 25, 25);
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146 cancel.addClickHandler(new ClickHandler() {
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147 @Override
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148 public void onClick(ClickEvent e) {
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149 cancel();
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150 }
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151 });
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152
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153 cancelRow = new HLayout();
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154 cancelRow.setHeight(27);
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155 cancelRow.setWidth100();
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156 cancelRow.addMember(cancel);
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157 cancelRow.addMember(cancelLabel);
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158
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159 VLayout box = new VLayout();
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160 box.setStyleName("loading-box");
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161 box.setAlign(VerticalAlignment.TOP);
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162 box.setDefaultLayoutAlign(VerticalAlignment.TOP);
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163 box.addMember(title);
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164 box.addMember(msg);
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165 box.addMember(cancelRow);
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166 box.setMembersMargin(0);
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167 box.setHeight(125);
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168 box.setWidth(275);
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169
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170 dialog = new VLayout();
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171 dialog.setAlign(Alignment.CENTER);
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172 dialog.setDefaultLayoutAlign(Alignment.CENTER);
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173 dialog.setMembersMargin(5);
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174 dialog.setHeight100();
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175 dialog.setWidth100();
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176
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177 dialog.addMember(img);
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178 dialog.addMember(box);
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179
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180 return dialog;
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181 }
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182
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183
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184 public String getTargetState() {
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185 ArtifactDescription desc = getArtifact().getArtifactDescription();
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186 DataList[] oldData = desc.getOldData();
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187
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188 return oldData[oldData.length -1].getState();
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189 }
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190
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191
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192 private void startTimer() {
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193 Timer t = new Timer() {
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194 @Override
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195 public void run() {
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196 update();
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197 }
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198 };
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199 t.schedule(UPDATE_INTERVAL);
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200 }
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201
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202
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203 protected void update() {
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204 updateMessage();
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205
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206 final Config config = Config.getInstance();
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207 final String locale = config.getLocale();
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208
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209 describe.describe(locale, artifact, new AsyncCallback<Artifact>() {
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210 @Override
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211 public void onFailure(Throwable t) {
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212 GWT.log("Error while DESCRIBE artifact: " + t.getMessage());
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213
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214 startTimer();
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215 }
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216
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217 @Override
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218 public void onSuccess(Artifact artifact) {
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219 GWT.log("Successfully DESCRIBE artifact.");
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220
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221 setArtifact(artifact);
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222
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223 if (artifact.isInBackground()) {
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224 startTimer();
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225 }
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226 else {
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227 finish();
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228 }
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229 }
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230 });
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231 }
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232
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233
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234 protected void updateMessage() {
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235 List<CalculationMessage> messages = artifact.getBackgroundMessages();
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236 if (messages != null && messages.size() > 0) {
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237 CalculationMessage calcMsg = messages.get(0);
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238 title.setContents(getStepTitle(calcMsg));
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239 msg.setContents(calcMsg.getMessage());
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240 }
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241 else {
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242 title.setContents(MSG.calculationStarted());
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243 }
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244 }
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245
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246
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247 protected String getStepTitle(CalculationMessage msg) {
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248 return MSG.step() + " " + msg.getCurrentStep() + "/" + msg.getSteps();
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249 }
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250
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251
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252 private void cancel() {
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253 fireStepBackEvent(new StepBackEvent(getTargetState()));
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254 parent.removeChild(dialog);
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255 parent.removeChild(this);
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256 }
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257
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258
862
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259 private void finish() {
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260 parent.removeChild(dialog);
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261 parent.removeChild(this);
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ea9a73782de4 Bugfix: #321 Refresh the parameter list after a calculation is finished.
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262 parent.setArtifact(artifact);
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263 }
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264 }
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265 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org