diff flys-client/src/main/java/de/intevation/flys/client/client/ui/chart/ChartOutputTab.java @ 521:fc60822e9c89

Added a new package 'chart' that should be the place where chart relevant classes should be stored. Moved ChartOutputTab into that package. flys-client/trunk@2000 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 25 May 2011 08:03:02 +0000
parents
children 0785a8ba5e6d
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-client/src/main/java/de/intevation/flys/client/client/ui/chart/ChartOutputTab.java	Wed May 25 08:03:02 2011 +0000
@@ -0,0 +1,215 @@
+package de.intevation.flys.client.client.ui.chart;
+
+import java.util.Date;
+
+import com.google.gwt.core.client.GWT;
+
+import com.smartgwt.client.types.Alignment;
+
+import com.smartgwt.client.widgets.Canvas;
+import com.smartgwt.client.widgets.Img;
+import com.smartgwt.client.widgets.Label;
+
+import com.smartgwt.client.widgets.layout.HLayout;
+import com.smartgwt.client.widgets.layout.VLayout;
+
+import com.smartgwt.client.widgets.events.ClickEvent;
+import com.smartgwt.client.widgets.events.ClickHandler;
+import com.smartgwt.client.widgets.events.CloseClickHandler;
+import com.smartgwt.client.widgets.events.CloseClientEvent;
+import com.smartgwt.client.widgets.events.ResizedEvent;
+import com.smartgwt.client.widgets.events.ResizedHandler;
+
+import de.intevation.flys.client.shared.model.Artifact;
+import de.intevation.flys.client.shared.model.Collection;
+import de.intevation.flys.client.shared.model.OutputMode;
+import de.intevation.flys.client.client.Config;
+import de.intevation.flys.client.client.ui.CollectionView;
+import de.intevation.flys.client.client.ui.DatacageWindow;
+import de.intevation.flys.client.client.ui.OutputTab;
+
+
+/**
+ * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
+ */
+public class ChartOutputTab extends OutputTab implements ResizedHandler {
+
+    public static final int DEFAULT_CHART_WIDTH  = 600;
+    public static final int DEFAULT_CHART_HEIGHT = 500;
+
+    /** The canvas that wraps the chart toolbar.*/
+    protected Canvas tbarPanel;
+
+    /** The canvas that wraps the theme editor.*/
+    protected Canvas left;
+
+    /** The canvas that wraps the chart.*/
+    protected Canvas right;
+
+
+    /**
+     * The default constructor to create a new ChartOutputTab.
+     *
+     * @param title The title of this tab.
+     * @param collection The Collection which this chart belongs to.
+     * @param mode The OutputMode.
+     */
+    public ChartOutputTab(
+        String         title, 
+        Collection     collection,
+        OutputMode     mode,
+        CollectionView collectionView
+    ){
+        super(title, collection, mode);
+
+        tbarPanel = new Canvas();
+        left      = new Canvas();
+        right     = new Canvas();
+
+        tbarPanel.setBorder("1px solid black");
+        tbarPanel.setHeight(30);
+        left.setBorder("1px solid black");
+        left.setWidth("25%");
+        right.setWidth("*");
+
+        VLayout vLayout = new VLayout();
+        vLayout.setMembersMargin(2);
+
+        HLayout hLayout = new HLayout();
+        hLayout.setWidth100();
+        hLayout.setHeight100();
+        hLayout.setMembersMargin(10);
+
+        hLayout.addMember(left);
+        hLayout.addMember(right);
+
+        right.addChild(createChartPanel());
+        left.addChild(createThemeControlPanel());
+        tbarPanel.addChild(
+            createTBarPanel(collectionView));
+
+        vLayout.addMember(tbarPanel);
+        vLayout.addMember(hLayout);
+
+        setPane(vLayout);
+
+        right.addResizedHandler(this);
+    }
+
+
+    /**
+     * This method is called after the chart panel has resized. It removes the
+     * chart - if existing - and requests a new one with adjusted size.
+     *
+     * @param event The resize event.
+     */
+    public void onResized(ResizedEvent event) {
+        Canvas[] children = right.getChildren();
+        for (Canvas child: children) {
+            right.removeChild(child);
+        }
+
+        right.addChild(createChartPanel(right.getWidth(), right.getHeight()));
+    }
+
+
+    protected Canvas createTBarPanel(
+        final CollectionView collectionView
+    ) {
+        HLayout hLayout = new HLayout();
+        hLayout.setWidth100();
+        hLayout.setHeight100();
+        hLayout.setMembersMargin(10);
+
+        Label datacage = new Label("Datenkorb");
+        datacage.setHeight(20);
+        datacage.setBackgroundColor("#BED730");
+        datacage.setBorder("1px solid black");
+        datacage.setAlign(Alignment.CENTER);
+
+        hLayout.setMargin(5);
+        hLayout.addMember(datacage);
+        datacage.addClickHandler(new ClickHandler() {
+            public void onClick(ClickEvent event) {
+                GWT.log("Clicked 'datacage' button.");
+                openDatacageWindow(
+                    collectionView.getArtifact());
+            }
+        });
+
+        return hLayout;
+    }
+
+    protected void openDatacageWindow(Artifact artifact) {
+        final DatacageWindow dc = new DatacageWindow(artifact);
+        dc.addCloseClickHandler(new CloseClickHandler() {
+            public void onCloseClick(CloseClientEvent event) {
+                dc.destroy();
+            }
+        });
+        dc.show();
+    }
+
+
+    protected Canvas createChartPanel() {
+        return createChartPanel(DEFAULT_CHART_WIDTH, DEFAULT_CHART_HEIGHT);
+    }
+
+
+    protected Canvas createChartPanel(int width, int height) {
+        Img chart  = getChartImg(width, height);
+        chart.setWidth100();
+        chart.setHeight100();
+
+        return chart;
+
+    }
+
+
+    protected Canvas createThemeControlPanel() {
+        Label label = new Label("Themensteuerung");
+        label.setHeight(25);
+        label.setMargin(5);
+
+        return label;
+    }
+
+
+    /**
+     * Builds the chart image and returns it.
+     *
+     * @param width The chart width.
+     * @param height The chart height.
+     *
+     * @return the chart image.
+     */
+    protected Img getChartImg(int width, int height) {
+        return new Img(getImgUrl(width, height));
+    }
+
+
+    /**
+     * Builds the URL that points to the chart image.
+     *
+     * @param width The width of the requested chart.
+     * @param height The height of the requested chart.
+     *
+     * @return the URL to the chart image.
+     */
+    protected String getImgUrl(int width, int height) {
+        Config config = Config.getInstance();
+
+        String imgUrl = GWT.getModuleBaseURL();
+        imgUrl += "chart";
+        imgUrl += "?uuid=" + collection.identifier();
+        imgUrl += "&type=" + mode.getName();
+        imgUrl += "&server=" + config.getServerUrl();
+        imgUrl += "&locale=" + config.getLocale();
+        imgUrl += "&timestamp=" + new Date().getTime();
+        imgUrl += "&width=" + Integer.toString(width);
+        imgUrl += "&height=" + Integer.toString(height);
+
+        return imgUrl;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

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