Mercurial > dive4elements > river

annotate gwt-client/src/main/java/org/dive4elements/river/client/client/ui/LoadingPanel.java @ 5861:172338b1407f

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GWT client: Added copyright header.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 28 Apr 2013 14:30:15 +0200
parents 5aa05a7a34b7
children ea9eef426962
rev   line source
5861
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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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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parents: 865
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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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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 865
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241 else {
878
d7c322a3bb32 Introduced i18n for the loading panel used during floodmap calculation.
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parents: 870
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242 title.setContents(MSG.calculationStarted());
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243 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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244 }
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245
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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246
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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247 protected String getStepTitle(CalculationMessage msg) {
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248 return MSG.step() + " " + msg.getCurrentStep() + "/" + msg.getSteps();
870
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249 }
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250
d5fb88ba99d2 Display status message and progress information in the WSPLGEN loading panel.
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parents: 865
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251
1432
40f4137a2c31 Added a cancel button to the LoadingPanel which stops running WSPLGEN calculations (realized by returning to the previous state).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1425
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252 private void cancel() {
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parents: 1425
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253 fireStepBackEvent(new StepBackEvent(getTargetState()));
40f4137a2c31 Added a cancel button to the LoadingPanel which stops running WSPLGEN calculations (realized by returning to the previous state).
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parents: 1425
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254 parent.removeChild(dialog);
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parents: 1425
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255 parent.removeChild(this);
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parents: 1425
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256 }
40f4137a2c31 Added a cancel button to the LoadingPanel which stops running WSPLGEN calculations (realized by returning to the previous state).
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parents: 1425
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257
40f4137a2c31 Added a cancel button to the LoadingPanel which stops running WSPLGEN calculations (realized by returning to the previous state).
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parents: 1425
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258
862
c9549074ecd1 Parse Artifact's 'background-processing' attribute and lock the UI if this attribute is true.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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259 private void finish() {
1432
40f4137a2c31 Added a cancel button to the LoadingPanel which stops running WSPLGEN calculations (realized by returning to the previous state).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 1425
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260 parent.removeChild(dialog);
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c9549074ecd1 Parse Artifact's 'background-processing' attribute and lock the UI if this attribute is true.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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261 parent.removeChild(this);
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ea9a73782de4 Bugfix: #321 Refresh the parameter list after a calculation is finished.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 898
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262 parent.setArtifact(artifact);
862
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parents:
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263 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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264 }
c9549074ecd1 Parse Artifact's 'background-processing' attribute and lock the UI if this attribute is true.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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265 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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