Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/LoadingPanel.java @ 1270:ea9a73782de4

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Bugfix: #321 Refresh the parameter list after a calculation is finished. flys-client/trunk@2838 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 27 Sep 2011 13:27:08 +0000
parents a9dd792444a1
children 748e7c828d03
rev   line source
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c9549074ecd1 Parse Artifact's 'background-processing' attribute and lock the UI if this attribute is true.
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1 package de.intevation.flys.client.client.ui;
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2
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3 import java.util.List;
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4
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5 import com.google.gwt.core.client.GWT;
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6 import com.google.gwt.resources.client.ImageResource;
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7 import com.google.gwt.user.client.Timer;
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8 import com.google.gwt.user.client.rpc.AsyncCallback;
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9
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10 import com.smartgwt.client.types.Alignment;
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11 import com.smartgwt.client.types.Positioning;
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12 import com.smartgwt.client.types.VerticalAlignment;
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13 import com.smartgwt.client.widgets.Canvas;
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14 import com.smartgwt.client.widgets.Img;
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15 import com.smartgwt.client.widgets.Label;
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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.client.Config;
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19 import de.intevation.flys.client.client.FLYSConstants;
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20 import de.intevation.flys.client.client.FLYSImages;
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21 import de.intevation.flys.client.client.services.DescribeArtifactService;
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22 import de.intevation.flys.client.client.services.DescribeArtifactServiceAsync;
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23 import de.intevation.flys.client.shared.model.Artifact;
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24 import de.intevation.flys.client.shared.model.CalculationMessage;
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27 public class LoadingPanel extends Canvas {
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28
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29 public static final int UPDATE_INTERVAL = 1000 * 3;
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30
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31 public static final DescribeArtifactServiceAsync describe =
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32 GWT.create(DescribeArtifactService.class);
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33
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34 private FLYSImages IMAGES = GWT.create(FLYSImages.class);
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35 private FLYSConstants MSG = GWT.create(FLYSConstants.class);
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37
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38 protected CollectionView parent;
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39 protected Artifact artifact;
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40
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41 protected VLayout dialog;
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42 protected Label msg;
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43 protected Label title;
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44
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45 protected int i;
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47
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48 public LoadingPanel(CollectionView parent, Artifact artifact) {
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49 super();
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50
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51 this.parent = parent;
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52 this.artifact = artifact;
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53 this.msg = new Label("");
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54 this.title = new Label("");
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55 this.dialog = createDialog();
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56
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57 this.i = 0;
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58
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59 initLayout();
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60 startTimer();
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61 }
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62
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63
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64 private void initLayout() {
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65 setWidth("100%");
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66 setHeight("98%");
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67 setBackgroundColor("#7f7f7f");
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68 setOpacity(50);
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69 setPosition(Positioning.RELATIVE);
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70
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71 parent.addChild(this);
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72 parent.addChild(dialog);
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73 dialog.moveTo(0, 20);
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74 moveTo(0, 7);
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75 }
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76
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77
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78 public void setArtifact(Artifact artifact) {
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79 this.artifact = artifact;
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80 }
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81
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82
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83 protected VLayout createDialog() {
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84 title.setStyleName("loading-title");
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85 title.setHeight(25);
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86 title.setWidth100();
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87
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88 msg.setStyleName("loading-message");
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89 msg.setValign(VerticalAlignment.TOP);
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90 msg.setWidth100();
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91 msg.setHeight(100);
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92
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93 ImageResource res = IMAGES.loading();
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94 Img img = new Img(res.getURL(), 25, 25);
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95
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96 VLayout box = new VLayout();
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97 box.setStyleName("loading-box");
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98 box.setAlign(VerticalAlignment.TOP);
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99 box.setDefaultLayoutAlign(VerticalAlignment.TOP);
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100 box.addMember(title);
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101 box.addMember(msg);
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102 box.setMembersMargin(0);
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103 box.setHeight(125);
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104 box.setWidth(275);
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105
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106 dialog = new VLayout();
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107 dialog.setAlign(Alignment.CENTER);
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108 dialog.setDefaultLayoutAlign(Alignment.CENTER);
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109 dialog.setMembersMargin(5);
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110 dialog.setHeight100();
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111 dialog.setWidth100();
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112
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113 dialog.addMember(img);
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114 dialog.addMember(box);
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115
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116 return dialog;
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117 }
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118
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119
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120 private void startTimer() {
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121 Timer t = new Timer() {
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122 @Override
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123 public void run() {
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124 update();
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125 }
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126 };
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127 t.schedule(UPDATE_INTERVAL);
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128 }
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129
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130
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131 protected void update() {
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132 updateMessage();
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133
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134 final Config config = Config.getInstance();
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135 final String url = config.getServerUrl();
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136 final String locale = config.getLocale();
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137
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138 describe.describe(url, locale, artifact, new AsyncCallback<Artifact>() {
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139 public void onFailure(Throwable t) {
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140 GWT.log("Error while DESCRIBE artifact: " + t.getMessage());
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141 // SC.warn()...
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142 startTimer();
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143 }
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144
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145 public void onSuccess(Artifact artifact) {
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146 GWT.log("Successfully DESCRIBE artifact.");
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147
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148 setArtifact(artifact);
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149
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150 if (artifact.isInBackground()) {
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151 startTimer();
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152 }
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153 else {
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154 finish();
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155 }
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156 }
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157 });
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158 }
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159
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160
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161 protected void updateMessage() {
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162 List<CalculationMessage> messages = artifact.getBackgroundMessages();
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163 if (messages != null && messages.size() > 0) {
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164 CalculationMessage calcMsg = messages.get(0);
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165 title.setContents(getStepTitle(calcMsg));
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166 msg.setContents(calcMsg.getMessage());
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167 }
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168 else {
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169 title.setContents(MSG.calculationStarted());
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170 }
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171 }
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172
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173
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174 protected String getStepTitle(CalculationMessage msg) {
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175 return MSG.step() + " " + msg.getCurrentStep() + "/" + msg.getSteps();
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176 }
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177
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178
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179 private void finish() {
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180 parent.removeChild(this);
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181 parent.removeChild(dialog);
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182 parent.setArtifact(artifact);
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183 }
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184 }
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185 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org