teichmann@5835: package org.dive4elements.river.client.client.ui;
ingo@6: 
christian@4128: import com.google.gwt.core.client.GWT;
christian@4128: 
bjoern@4607: import com.smartgwt.client.types.Alignment;
bjoern@4607: import com.smartgwt.client.types.VerticalAlignment;
bjoern@4607: import com.smartgwt.client.widgets.Button;
ingo@6: import com.smartgwt.client.widgets.Canvas;
bjoern@4607: import com.smartgwt.client.widgets.Img;
bjoern@4607: import com.smartgwt.client.widgets.Label;
bjoern@4607: import com.smartgwt.client.widgets.events.ClickEvent;
bjoern@4607: import com.smartgwt.client.widgets.events.ClickHandler;
bjoern@4607: import com.smartgwt.client.widgets.layout.HLayout;
bjoern@4607: import com.smartgwt.client.widgets.layout.VLayout;
bjoern@4607: 
teichmann@5835: import org.dive4elements.river.client.client.FLYS;
teichmann@5835: import org.dive4elements.river.client.client.FLYSConstants;
ingo@6: 
ingo@557: import java.util.HashMap;
ingo@557: import java.util.Map;
ingo@6: 
ingo@6: 
ingo@6: /**
ingo@3549:  * "Workspace" canvas showing the CollectionViews (subwindows).
ingo@6:  * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
ingo@6:  */
ingo@6: public class FLYSWorkspace extends Canvas {
ingo@6: 
ingo@279:     /** The maximal number of windows that fit into the browser view when an
ingo@279:      * offset is used to move windows initially.*/
ingo@279:     public static int MAX_WINDOWS = 10;
ingo@279: 
ingo@279:     /** The number of pixels used to move windows.*/
ingo@279:     public static int WINDOW_OFFSET = 20;
ingo@279: 
ingo@6:     /** A map that contains the open CollectionViews. */
ingo@557:     protected Map<String, CollectionView> views;
ingo@6: 
bjoern@4607:     /** The interface that provides the message resources. */
bjoern@4607:     private FLYSConstants MESSAGES = GWT.create(FLYSConstants.class);
bjoern@4607: 
felix@4980:     /** Application instance. */
bjoern@4607:     private FLYS flys;
ingo@6: 
felix@4980: 
ingo@6:     /**
ingo@6:      * The default constructor creates an empty FLYSWorkspace with no
ingo@6:      * CollectionViews opened.
ingo@6:      */
bjoern@4607:     public FLYSWorkspace(FLYS flys) {
bjoern@4607:         this.flys = flys;
ingo@557:         views = new HashMap<String, CollectionView>();
christian@3522: 
christian@3522:         setWidth("100%");
christian@3522:         setHeight("100%");
bjoern@4607: 
bjoern@4607:         addBackgroundWorkspace();
ingo@6:     }
ingo@6: 
ingo@6: 
ingo@6:     /**
ingo@6:      * This method adds a new CollectionView to this workspace and stores a
ingo@6:      * reference in {@link views}.
ingo@6:      *
ingo@6:      * @param collectionView A new CollectionView.
ingo@6:      */
ingo@557:     public void addView(String uuid, CollectionView collectionView) {
christian@3522:         collectionView.moveTo(0, 0);
christian@3522:         collectionView.setMaximized(true);
ingo@279: 
ingo@557:         views.put(uuid, collectionView);
ingo@6:         addChild(collectionView);
ingo@6:     }
ingo@557: 
ingo@557: 
ingo@557:     public void removeProject(String uuid) {
ingo@557:         views.remove(uuid);
ingo@557:     }
ingo@557: 
ingo@557: 
ingo@557:     public void bringUp(String uuid) {
ingo@557:         CollectionView view = views.get(uuid);
ingo@557: 
christian@4128:         if (view != null) {
christian@4128:             view.show();
christian@4128:             view.restore();
christian@4128:         }
christian@4128:         else {
christian@4128:             GWT.log("FLYSWorkspace.bringUp() failed!");
christian@4128:         }
ingo@557:     }
ingo@600: 
ingo@600: 
ingo@600:     /**
ingo@600:      * Removes a project from workspace (view) and clears its reference from
ingo@600:      * hash map.
ingo@600:      *
ingo@600:      * @param uuid The project's uuid.
ingo@600:      */
ingo@600:     public void destroyProject(String uuid) {
ingo@600:         CollectionView project = views.get(uuid);
ingo@600: 
ingo@600:         if (project != null) {
ingo@600:             removeProject(uuid);
ingo@600:             project.destroy();
ingo@600:         }
ingo@600:     }
raimund@895: 
raimund@895: 
raimund@895:     public void updateTitle(String uuid, String title) {
raimund@895:         CollectionView view = views.get(uuid);
raimund@895:         view.setTitle(title);
raimund@895:     }
raimund@896: 
raimund@896: 
raimund@896:     public boolean hasView(String uuid) {
raimund@896:         if(views.get(uuid) != null) {
raimund@896:             return true;
raimund@896:         }
raimund@896:         return false;
raimund@896:     }
bjoern@4607: 
bjoern@4607:     private void addBackgroundWorkspace() {
bjoern@4607:         String baseUrl = GWT.getHostPageBaseURL();
bjoern@4607:         Img bfg  = new Img(
bjoern@4607:                 baseUrl + MESSAGES.bfgLogo());
bjoern@4607:         bfg.setWidth(150);
bjoern@4607:         bfg.setHeight(100);
bjoern@4607:         bfg.setLayoutAlign(Alignment.RIGHT);
bjoern@4607: 
bjoern@4607:         HLayout backgroundlayout = new HLayout();
bjoern@4607:         backgroundlayout.setHeight100();
bjoern@4607:         backgroundlayout.setWidth100();
bjoern@4607:         backgroundlayout.setDefaultLayoutAlign(Alignment.CENTER);
bjoern@4607:         backgroundlayout.setDefaultLayoutAlign(VerticalAlignment.CENTER);
bjoern@4607: 
bjoern@4607:         Canvas spacer = new Canvas();
bjoern@4607:         spacer.setWidth("33%");
bjoern@4607: 
bjoern@4607:         VLayout infobox = new VLayout();
bjoern@4607:         infobox.setHeight("*");
bjoern@4607:         infobox.setWidth("*");
bjoern@4607:         infobox.setDefaultLayoutAlign(Alignment.CENTER);
bjoern@4607: 
bjoern@4607:         Label welcome = new Label(MESSAGES.welcome());
bjoern@4607:         welcome.setAlign(Alignment.CENTER);
bjoern@4607:         welcome.setStyleName("fontNormalBig");
bjoern@4607: 
bjoern@4607:         Label lcreate = new Label(MESSAGES.welcome_open_or_create());
bjoern@4607:         lcreate.setStyleName("welcomeCreateText");
bjoern@4607:         lcreate.setWidth100();
bjoern@4607:         lcreate.setAlign(Alignment.CENTER);
bjoern@4607: 
bjoern@4607:         Button addbutton = new Button(MESSAGES.new_project());
bjoern@4607:         addbutton.setStyleName("projectsAddButton");
bjoern@4607:         addbutton.setAlign(Alignment.CENTER);
bjoern@4607:         addbutton.setTitle(MESSAGES.new_project());
bjoern@4607:         addbutton.setAutoFit(true);
bjoern@4607:         addbutton.addClickHandler(new ClickHandler() {
bjoern@4607: 
bjoern@4607:             @Override
bjoern@4607:             public void onClick(ClickEvent event) {
bjoern@4607:                 flys.newProject();
bjoern@4607:             }
bjoern@4607:         });
bjoern@4607: 
bjoern@4607: 
bjoern@4607:         infobox.addMember(welcome);
bjoern@4607:         infobox.addMember(lcreate);
bjoern@4607:         infobox.addMember(addbutton);
bjoern@4607: 
bjoern@4607:         backgroundlayout.addMember(spacer);
bjoern@4607:         backgroundlayout.addMember(infobox);
bjoern@4607:         backgroundlayout.addMember(spacer);
bjoern@4607: 
bjoern@4607:         addChild(backgroundlayout);
bjoern@4607:     }
ingo@6: }
ingo@6: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :