Mercurial > dive4elements > river

annotate gwt-client/src/main/java/org/dive4elements/river/client/client/ui/map/LegendWindow.java @ 9693:2197a7ccb4a8

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LegendWindow zu 3.1. + 3.2 DEBUG
author dnt_bjoernsen <d.tironi@bjoernsen.de>
date Tue, 19 Jan 2021 16:39:50 +0100
parents 152299dadb36
children 94b976204a0a
rev   line source
5861
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
diff changeset
1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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2 * Software engineering by Intevation GmbH
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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3 *
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ea9eef426962 Removed trailing whitespace.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5861
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4 * This file is Free Software under the GNU AGPL (>=v3)
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172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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Sascha L. Teichmann <teichmann@intevation.de>
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6 * documentation coming with Dive4Elements River for details.
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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7 */
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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8
5835
821a02bbfb4e Fixed internal java dependencies
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5834
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9 package org.dive4elements.river.client.client.ui.map;
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10
c9dcce9448f2 Added a new control 'show legend' to the map's toolbar. This control opens a window that displays the legends of all activated layers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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11 import java.util.List;
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12
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63bbd5e45839 #21 WMS Legend
dnt_bjoernsen <d.tironi@bjoernsen.de>
parents: 8856
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13 import org.dive4elements.river.client.client.FLYSConstants;
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dnt_bjoernsen <d.tironi@bjoernsen.de>
parents: 8856
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14 import org.dive4elements.river.client.shared.MapUtils;
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parents: 8856
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15 import org.dive4elements.river.client.shared.model.AttributedTheme;
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dnt_bjoernsen <d.tironi@bjoernsen.de>
parents: 8856
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16 import org.dive4elements.river.client.shared.model.Theme;
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dnt_bjoernsen <d.tironi@bjoernsen.de>
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17 import org.dive4elements.river.client.shared.model.ThemeList;
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dnt_bjoernsen <d.tironi@bjoernsen.de>
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18
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632c724fed2d i18n for WMS legend window title.
Tom Gottfried <tom@intevation.de>
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19 import com.google.gwt.core.client.GWT;
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20 import com.google.gwt.http.client.URL;
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21 import com.google.gwt.user.client.ui.Image;
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22 import com.google.gwt.user.client.ui.Widget;
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23 import com.smartgwt.client.types.ImageStyle;
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24 import com.smartgwt.client.types.VerticalAlignment;
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25 import com.smartgwt.client.widgets.Canvas;
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26 import com.smartgwt.client.widgets.Img;
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27 import com.smartgwt.client.widgets.Label;
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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28 import com.smartgwt.client.widgets.Window;
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29 import com.smartgwt.client.widgets.layout.HLayout;
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30 import com.smartgwt.client.widgets.layout.VLayout;
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31
c9dcce9448f2 Added a new control 'show legend' to the map's toolbar. This control opens a window that displays the legends of all activated layers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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32 public class LegendWindow extends Window {
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33
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632c724fed2d i18n for WMS legend window title.
Tom Gottfried <tom@intevation.de>
parents: 5993
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34 protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
632c724fed2d i18n for WMS legend window title.
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parents: 5993
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35
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36 private ThemeList themeList;
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37
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63bbd5e45839 #21 WMS Legend
dnt_bjoernsen <d.tironi@bjoernsen.de>
parents: 8856
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38 private final VLayout legendContainer;
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39
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63bbd5e45839 #21 WMS Legend
dnt_bjoernsen <d.tironi@bjoernsen.de>
parents: 8856
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40 public LegendWindow(final ThemeList themeList) {
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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41 this.themeList = themeList;
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42 this.legendContainer = new VLayout();
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43
c9dcce9448f2 Added a new control 'show legend' to the map's toolbar. This control opens a window that displays the legends of all activated layers.
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44 init();
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45 }
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46
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63bbd5e45839 #21 WMS Legend
dnt_bjoernsen <d.tironi@bjoernsen.de>
parents: 8856
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47 public void update(final ThemeList themeList) {
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48 this.themeList = themeList;
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49
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63bbd5e45839 #21 WMS Legend
dnt_bjoernsen <d.tironi@bjoernsen.de>
parents: 8856
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50 final Canvas[] legends = this.legendContainer.getMembers();
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dnt_bjoernsen <d.tironi@bjoernsen.de>
parents: 8856
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51 this.legendContainer.removeMembers(legends);
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52
c9dcce9448f2 Added a new control 'show legend' to the map's toolbar. This control opens a window that displays the legends of all activated layers.
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53 addLegends();
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54 }
c9dcce9448f2 Added a new control 'show legend' to the map's toolbar. This control opens a window that displays the legends of all activated layers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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55
c9dcce9448f2 Added a new control 'show legend' to the map's toolbar. This control opens a window that displays the legends of all activated layers.
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56 private void addLegends() {
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63bbd5e45839 #21 WMS Legend
dnt_bjoernsen <d.tironi@bjoernsen.de>
parents: 8856
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57 final List<Theme> themes = this.themeList.getActiveThemes();
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58
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dnt_bjoernsen <d.tironi@bjoernsen.de>
parents: 8856
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59 for (final Theme theme : themes) {
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60 if (theme.getActive() == 0) {
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61 continue;
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62 }
c9dcce9448f2 Added a new control 'show legend' to the map's toolbar. This control opens a window that displays the legends of all activated layers.
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parents:
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63
c9dcce9448f2 Added a new control 'show legend' to the map's toolbar. This control opens a window that displays the legends of all activated layers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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64 if (theme instanceof AttributedTheme) {
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63bbd5e45839 #21 WMS Legend
dnt_bjoernsen <d.tironi@bjoernsen.de>
parents: 8856
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65 this.legendContainer.addMember(createLegendGraphicsRow((AttributedTheme) theme));
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66 }
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67 }
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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68 }
c9dcce9448f2 Added a new control 'show legend' to the map's toolbar. This control opens a window that displays the legends of all activated layers.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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69
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dnt_bjoernsen <d.tironi@bjoernsen.de>
parents: 8856
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70 private Canvas createLegendGraphicsRow(final AttributedTheme at) {
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71 final Label label = new Label(at.getDescription());
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72 final Widget img = createLegendGraphics(at);
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73
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dnt_bjoernsen <d.tironi@bjoernsen.de>
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74 final HLayout row = new HLayout();
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75 row.addMember(label);
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76 row.addMember(img);
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77
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78 String url = "url";
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79
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80 if (img instanceof Image) {
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81 setDimensions( row, ((Image) img).getHeight(), ((Image) img).getWidth());
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82 url = " url " + ((Image) img).getUrl();
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83 }
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84 else if (img instanceof Img) {
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85 setDimensions( row, ((Img) img).getHeight(), ((Img) img).getWidth());
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86 url = " dataPath " + ((Img) img).getDataPath();
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87 }
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dnt_bjoernsen <d.tironi@bjoernsen.de>
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88 else {
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dnt_bjoernsen <d.tironi@bjoernsen.de>
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89 setDimensions( row, 150, 400); //not sure when this is executed
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90 }
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dnt_bjoernsen <d.tironi@bjoernsen.de>
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91 String labelText = at.getDescription() +", height: "+ row.getHeight()+"width: "+ row.getWidth()+" "+url;
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92 //
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dnt_bjoernsen <d.tironi@bjoernsen.de>
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93 // final HLayout row2= new HLayout();
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94 row.addMember(new Label(labelText));
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95 return row;
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96 }
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97
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dnt_bjoernsen <d.tironi@bjoernsen.de>
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98 private void setDimensions(HLayout row, int height, int width ) {
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99 final int minHeight = 30;
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100 row.setHeight(height < minHeight ? minHeight : height);
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101 row.setWidth(width);
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102 }
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103
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104 private Widget createLegendGraphics(final AttributedTheme at) {
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105
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106 final String legend = at.getAttr("legend");
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dnt_bjoernsen <d.tironi@bjoernsen.de>
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107 // TEST: final Image img = new Image("/images/FLYS_Donau.png"); (funktioniert!), ebenso FLYSResources.getTest();
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dnt_bjoernsen <d.tironi@bjoernsen.de>
parents: 8856
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108 if (legend != null && !"".equals(legend)) {
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109
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110 final String imgUrl = URL.encode(GWT.getHostPageBaseURL() + "images/wms_legend/" + legend);
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111
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112 final Image image = new Image(imgUrl);
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113 final int imageWidth = image.getWidth();
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114 final int imageHeight = image.getHeight();
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115 final double widthPercent = imageWidth / 400.;
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116
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117 // removing the limit of 150px height (legend can have an infinite height now,
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118 // as long as the width is less/eq 400px; if the width is >400,
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119 // the legend will be scaled to 400px width; the ratio will be kept)
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120
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121 // final double heightPercent = imageHeight / 150.;
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122 if (widthPercent > 1)// || heightPercent > 1) {
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123 image.setSize((int) (imageWidth / widthPercent) + "px", (int) (imageHeight / widthPercent) + "px");
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124
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125 return image;
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126 }
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127 final String imgUrl = MapUtils.getLegendGraphicUrl(at.getAttr("url"), at.getAttr("layers"));
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128
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129 final Img img = new Img(imgUrl);
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130 img.setImageType(ImageStyle.CENTER);
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131 img.setAutoFit(true);
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132
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133 return img;
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134 }
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135
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136 private void init() {
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137 this.legendContainer.setAutoHeight();
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138 this.legendContainer.setLayoutAlign(VerticalAlignment.TOP);
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139 this.legendContainer.setAlign(VerticalAlignment.CENTER);
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140
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141 setTitle(this.MSG.wms_legend());
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142 setAutoSize(true);
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143 setCanDragResize(true);
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144 setIsModal(false);
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145 setShowModalMask(false);
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146 setLayoutAlign(VerticalAlignment.TOP);
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147 setAlign(VerticalAlignment.TOP);
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148
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149 addItem(this.legendContainer);
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150 addLegends();
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151
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152 centerInPage();
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153 }
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154 }
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