--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-client/src/main/java/org/dive4elements/river/client/client/ui/FLYSWorkspace.java	Thu Apr 25 12:31:32 2013 +0200
@@ -0,0 +1,179 @@
+package de.intevation.flys.client.client.ui;
+
+import com.google.gwt.core.client.GWT;
+
+import com.smartgwt.client.types.Alignment;
+import com.smartgwt.client.types.VerticalAlignment;
+import com.smartgwt.client.widgets.Button;
+import com.smartgwt.client.widgets.Canvas;
+import com.smartgwt.client.widgets.Img;
+import com.smartgwt.client.widgets.Label;
+import com.smartgwt.client.widgets.events.ClickEvent;
+import com.smartgwt.client.widgets.events.ClickHandler;
+import com.smartgwt.client.widgets.layout.HLayout;
+import com.smartgwt.client.widgets.layout.VLayout;
+
+import de.intevation.flys.client.client.FLYS;
+import de.intevation.flys.client.client.FLYSConstants;
+
+import java.util.HashMap;
+import java.util.Map;
+
+
+/**
+ * "Workspace" canvas showing the CollectionViews (subwindows).
+ * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
+ */
+public class FLYSWorkspace extends Canvas {
+
+    /** The maximal number of windows that fit into the browser view when an
+     * offset is used to move windows initially.*/
+    public static int MAX_WINDOWS = 10;
+
+    /** The number of pixels used to move windows.*/
+    public static int WINDOW_OFFSET = 20;
+
+    /** A map that contains the open CollectionViews. */
+    protected Map<String, CollectionView> views;
+
+    /** The interface that provides the message resources. */
+    private FLYSConstants MESSAGES = GWT.create(FLYSConstants.class);
+
+    /** Application instance. */
+    private FLYS flys;
+
+
+    /**
+     * The default constructor creates an empty FLYSWorkspace with no
+     * CollectionViews opened.
+     */
+    public FLYSWorkspace(FLYS flys) {
+        this.flys = flys;
+        views = new HashMap<String, CollectionView>();
+
+        setWidth("100%");
+        setHeight("100%");
+
+        addBackgroundWorkspace();
+    }
+
+
+    /**
+     * This method adds a new CollectionView to this workspace and stores a
+     * reference in {@link views}.
+     *
+     * @param collectionView A new CollectionView.
+     */
+    public void addView(String uuid, CollectionView collectionView) {
+        collectionView.moveTo(0, 0);
+        collectionView.setMaximized(true);
+
+        views.put(uuid, collectionView);
+        addChild(collectionView);
+    }
+
+
+    public void removeProject(String uuid) {
+        views.remove(uuid);
+    }
+
+
+    public void bringUp(String uuid) {
+        CollectionView view = views.get(uuid);
+
+        if (view != null) {
+            view.show();
+            view.restore();
+        }
+        else {
+            GWT.log("FLYSWorkspace.bringUp() failed!");
+        }
+    }
+
+
+    /**
+     * Removes a project from workspace (view) and clears its reference from
+     * hash map.
+     *
+     * @param uuid The project's uuid.
+     */
+    public void destroyProject(String uuid) {
+        CollectionView project = views.get(uuid);
+
+        if (project != null) {
+            removeProject(uuid);
+            project.destroy();
+        }
+    }
+
+
+    public void updateTitle(String uuid, String title) {
+        CollectionView view = views.get(uuid);
+        view.setTitle(title);
+    }
+
+
+    public boolean hasView(String uuid) {
+        if(views.get(uuid) != null) {
+            return true;
+        }
+        return false;
+    }
+
+    private void addBackgroundWorkspace() {
+        String baseUrl = GWT.getHostPageBaseURL();
+        Img bfg  = new Img(
+                baseUrl + MESSAGES.bfgLogo());
+        bfg.setWidth(150);
+        bfg.setHeight(100);
+        bfg.setLayoutAlign(Alignment.RIGHT);
+
+        HLayout backgroundlayout = new HLayout();
+        backgroundlayout.setHeight100();
+        backgroundlayout.setWidth100();
+        backgroundlayout.setDefaultLayoutAlign(Alignment.CENTER);
+        backgroundlayout.setDefaultLayoutAlign(VerticalAlignment.CENTER);
+
+        Canvas spacer = new Canvas();
+        spacer.setWidth("33%");
+
+        VLayout infobox = new VLayout();
+        infobox.setHeight("*");
+        infobox.setWidth("*");
+        infobox.setDefaultLayoutAlign(Alignment.CENTER);
+
+        Label welcome = new Label(MESSAGES.welcome());
+        welcome.setAlign(Alignment.CENTER);
+        welcome.setStyleName("fontNormalBig");
+
+        Label lcreate = new Label(MESSAGES.welcome_open_or_create());
+        lcreate.setStyleName("welcomeCreateText");
+        lcreate.setWidth100();
+        lcreate.setAlign(Alignment.CENTER);
+
+        Button addbutton = new Button(MESSAGES.new_project());
+        addbutton.setStyleName("projectsAddButton");
+        addbutton.setAlign(Alignment.CENTER);
+        addbutton.setTitle(MESSAGES.new_project());
+        addbutton.setAutoFit(true);
+        addbutton.addClickHandler(new ClickHandler() {
+
+            @Override
+            public void onClick(ClickEvent event) {
+                flys.newProject();
+            }
+        });
+
+
+        infobox.addMember(welcome);
+        infobox.addMember(lcreate);
+        infobox.addMember(addbutton);
+
+        backgroundlayout.addMember(spacer);
+        backgroundlayout.addMember(infobox);
+        backgroundlayout.addMember(spacer);
+
+        addChild(backgroundlayout);
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :