view flys-client/src/main/java/de/intevation/flys/client/client/ui/map/LegendWindow.java @ 5462:f2371f3aaf03

Show top level folder icons only if node has no factory If you have an empty folder the folder icon is still shown. This makes it possible to add functional "Top Level" entries in the Datacage
author Andre Heinecke <aheinecke@intevation.de>
date Tue, 26 Mar 2013 18:29:13 +0100
parents c9dcce9448f2
children
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package de.intevation.flys.client.client.ui.map;

import java.util.List;

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;

import de.intevation.flys.client.shared.MapUtils;
import de.intevation.flys.client.shared.model.AttributedTheme;
import de.intevation.flys.client.shared.model.Theme;
import de.intevation.flys.client.shared.model.ThemeList;


public class LegendWindow extends Window {

    private ThemeList themeList;

    private VLayout legendContainer;

    public LegendWindow(ThemeList themeList) {
        this.themeList = themeList;
        this.legendContainer = new VLayout();

        init();
    }

    public void update(ThemeList themeList) {
        this.themeList = themeList;

        Canvas[] legends = legendContainer.getMembers();
        legendContainer.removeMembers(legends);

        addLegends();
    }

    private void addLegends() {
        List<Theme> themes = themeList.getActiveThemes();

        for (Theme theme : themes) {
            if (theme.getActive() == 0) {
                continue;
            }

            if (theme instanceof AttributedTheme) {
                legendContainer
                    .addMember(createLegendGraphicsRow((AttributedTheme) theme));
            }
        }
    }

    private Canvas createLegendGraphicsRow(AttributedTheme at) {
        Label label = new Label(at.getDescription());
        Img img = createLegendGraphics(at);

        HLayout row = new HLayout();
        row.addMember(label);
        row.addMember(img);

        row.setHeight(150);
        row.setWidth(400);

        return row;
    }

    private Img createLegendGraphics(AttributedTheme at) {
        String imgUrl = MapUtils.getLegendGraphicUrl(at.getAttr("url"),
            at.getAttr("layers"));

        Img img = new Img(imgUrl);
        img.setImageType(ImageStyle.CENTER);
        img.setAutoFit(true);

        return img;
    }

    private void init() {
        legendContainer.setAutoHeight();
        legendContainer.setLayoutAlign(VerticalAlignment.TOP);
        legendContainer.setAlign(VerticalAlignment.CENTER);

        setTitle("WMS Legend");
        setAutoSize(true);
        setCanDragResize(true);
        setIsModal(false);
        setShowModalMask(false);
        setLayoutAlign(VerticalAlignment.TOP);
        setAlign(VerticalAlignment.TOP);

        addItem(legendContainer);
        addLegends();

        centerInPage();
    }
}

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