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annotate flys-client/src/main/java/de/intevation/flys/client/client/ui/ExportPanel.java @ 275:8264b02091ef

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ISSUE-56 Display download buttons to export the computed data. flys-client/trunk@1901 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 11 May 2011 14:29:35 +0000
parents
children 50b88b641be6
rev   line source
275
8264b02091ef ISSUE-56 Display download buttons to export the computed data.
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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
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7 import com.smartgwt.client.widgets.Canvas;
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8 import com.smartgwt.client.widgets.HTMLPane;
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9 import com.smartgwt.client.widgets.Label;
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10 import com.smartgwt.client.widgets.layout.HLayout;
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11 import com.smartgwt.client.widgets.layout.VLayout;
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12
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13 import de.intevation.flys.client.shared.model.Collection;
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14 import de.intevation.flys.client.shared.model.ExportMode;
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15 import de.intevation.flys.client.shared.model.Facet;
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16 import de.intevation.flys.client.client.Config;
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17 import de.intevation.flys.client.client.FLYSConstants;
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18
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19
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20 /**
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21 * A panel that displays an download icon for all available export modes of a
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22 * Collection.
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23 *
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24 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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25 */
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26 public class ExportPanel extends VLayout {
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27
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28 /** The message class that provides i18n strings.*/
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29 protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
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30
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31 protected Collection c;
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32 protected List<ExportMode> exports;
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33
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34 /** This layout will store a list of available export types.*/
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35 protected HLayout container;
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36
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37
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38 public ExportPanel(Collection c, List<ExportMode> exports) {
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39 super();
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40
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41 this.c = c;
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42 this.exports = exports;
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43 this.container = new HLayout();
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44
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45 Label title = new Label(MSG.dataexport());
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46 title.setHeight(15);
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47 title.setStyleName("fontNormalSmallUnderlined");
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48
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49 addMember(title);
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50 addMember(createExportItems());
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51
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52 setHeight(25);
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53 setMembersMargin(5);
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54 }
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55
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56
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57 /**
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58 * This method is used to create an item (created by createExportButton) for
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59 * each facet for each export mode.
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60 *
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61 * @return a horizontal list of buttons.
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62 */
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63 protected HLayout createExportItems() {
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64 HLayout layout = new HLayout();
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65
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66 for (ExportMode mode: exports) {
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67 String name = mode.getName();
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68 List<Facet> facets = mode.getFacets();
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69
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70 for (Facet facet: facets) {
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71 layout.addMember(createExportButton(name, facet.getName()));
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72 }
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73 }
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74
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75 return layout;
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76 }
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77
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78
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79 /**
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80 * This method is used to create a button (with click handler) for a
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81 * concrete export mode / type.
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82 *
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83 * @param name The name of the export.
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84 * @param facet The name of the export type (e.g. CSV, WST).
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85 *
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86 * @return an image with click handler.
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87 */
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88 protected Canvas createExportButton(String name, String facet) {
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89 String url = getExportUrl(name, facet);
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90 String iUrl = GWT.getHostPageBaseURL() + MSG.imageSave();
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91
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92 HTMLPane pane = new HTMLPane();
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93 pane.setContents("<a href='" + url + "'><img src='" + iUrl + "'></a>");
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94
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95 return pane;
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96 }
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97
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98
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99 /**
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100 * Creates the URL used to trigger an export.
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101 *
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102 * @param name The name of the export.
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103 * @param facet The name of the export type (e.g. CSV, WST).
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104 *
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105 * @return the export URL.
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106 */
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107 protected String getExportUrl(String name, String facet) {
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108 Config config = Config.getInstance();
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109
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110 String url = GWT.getModuleBaseURL();
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111 url += "export";
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112 url += "?uuid=" + c.identifier();
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113 url += "&mode=" + name;
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114 url += "&type=" + facet;
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115 url += "&server=" + config.getServerUrl();
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116 url += "&locale=" + config.getLocale();
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117
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118 return url;
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119 }
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120 }
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121 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org