Mercurial > dive4elements > river
view gwt-client/src/main/java/org/dive4elements/river/client/client/ui/map/LegendWindow.java @ 9704:ca9ed55d6f51
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author | dnt_bjoernsen <d.tironi@bjoernsen.de> |
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date | Thu, 21 Jan 2021 14:08:03 +0100 |
parents | 0c8374059484 |
children | bfdf98529a66 |
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/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde * Software engineering by Intevation GmbH * * This file is Free Software under the GNU AGPL (>=v3) * and comes with ABSOLUTELY NO WARRANTY! Check out the * documentation coming with Dive4Elements River for details. */ package org.dive4elements.river.client.client.ui.map; import java.util.List; import org.dive4elements.river.client.client.FLYSConstants; import org.dive4elements.river.client.shared.MapUtils; import org.dive4elements.river.client.shared.model.AttributedTheme; import org.dive4elements.river.client.shared.model.Theme; import org.dive4elements.river.client.shared.model.ThemeList; import com.google.gwt.core.client.GWT; import com.google.gwt.event.shared.HandlerRegistration; import com.google.gwt.http.client.URL; import com.google.gwt.user.client.ui.Image; import com.google.gwt.user.client.ui.Widget; import com.smartgwt.client.types.ImageStyle; import com.smartgwt.client.types.VerticalAlignment; import com.smartgwt.client.widgets.Canvas; import com.smartgwt.client.widgets.Img; import com.smartgwt.client.widgets.Label; import com.smartgwt.client.widgets.Window; import com.smartgwt.client.widgets.layout.HLayout; import com.smartgwt.client.widgets.layout.VLayout; public class LegendWindow extends Window { protected FLYSConstants MSG = GWT.create(FLYSConstants.class); private ThemeList themeList; private final VLayout legendContainer; public LegendWindow(final ThemeList themeList) { this.themeList = themeList; this.legendContainer = new VLayout(); init(); } public void update(final ThemeList themeList) { this.themeList = themeList; final Canvas[] legends = this.legendContainer.getMembers(); this.legendContainer.removeMembers(legends); addLegends(); } private void addLegends() { final List<Theme> themes = this.themeList.getActiveThemes(); for (int i = 0; i < themes.size(); i++) { final Theme theme = themes.get(i); if (theme.getActive() == 0) { continue; } try { if (theme instanceof AttributedTheme) { Canvas createLegendGraphicsRow = createLegendGraphicsRow((AttributedTheme) theme); this.legendContainer.addMember(createLegendGraphicsRow); } } catch (Exception e) { continue; } } } private Canvas createLegendGraphicsRow(final AttributedTheme at) { final Label label = new Label(at.getDescription()); final HLayout row = new HLayout(); final Widget img = createLegendGraphics(row ,at); row.addMember(label); row.addMember(img); // String url = "url"; if (img instanceof Image) { // url = " url " + ((Image) img).getUrl(); // new MyLoadHandler(row, ((Image) img)); // } else if (img instanceof Img) { // setDimensions(row, ((Img) img).getHeight(), ((Img) img).getWidth()); // url = " dataPath " + ((Img) img).getDataPath(); } else { setDimensions(row, 150, 400); // not sure when this is executed } // String labelText = at.getDescription() + ", height: " + row.getHeight() + "width: " + row.getWidth() + " " // + url; // com.smartgwt.client.util.SC.say(labelText); return row; } private void setDimensions(HLayout row, int height, int width) { final int minHeight = 30; row.setHeight(height < minHeight ? minHeight : height); row.setWidth(width); } private Widget createLegendGraphics(HLayout row, final AttributedTheme at) { final String legend = at.getAttr("legend"); // TEST: final Image img = new Image("/images/FLYS_Donau.png"); (funktioniert!), // ebenso FLYSResources.getTest(); String attr = at.getAttr("url"); String attr2 = at.getAttr("layers"); if (legend != null && !"".equals(legend)) { final String imgUrl = URL.encode(GWT.getHostPageBaseURL() + "images/wms_legend/" + legend); final Image image = new Image(imgUrl); new MyWMSLoadHandler(row, image); return image; } final String imgUrl = MapUtils.getLegendGraphicUrl(attr, attr2); final Image image = new Image(imgUrl); // com.smartgwt.client.util.SC.say(imgUrl); new MyLoadHandler(row, ((Image) image)); // Image image = new Image(imgUrl); // Widget widget = image.asWidget(); // final Img img = new Img(imgUrl); // img.setImageType(ImageStyle.CENTER); // img.setAutoFit(true); return image; } private void init() { this.legendContainer.setAutoHeight(); this.legendContainer.setLayoutAlign(VerticalAlignment.TOP); this.legendContainer.setAlign(VerticalAlignment.CENTER); setTitle(this.MSG.wms_legend()); setAutoSize(true); setCanDragResize(true); setIsModal(false); setShowModalMask(false); setLayoutAlign(VerticalAlignment.TOP); setAlign(VerticalAlignment.TOP); addItem(this.legendContainer); addLegends(); centerInPage(); } }