ingo@862: package de.intevation.flys.client.client.ui;
ingo@862: 
ingo@862: import com.google.gwt.core.client.GWT;
ingo@862: import com.google.gwt.user.client.Timer;
ingo@865: import com.google.gwt.user.client.rpc.AsyncCallback;
ingo@862: 
ingo@862: import com.smartgwt.client.types.Alignment;
ingo@862: import com.smartgwt.client.types.Positioning;
ingo@862: import com.smartgwt.client.widgets.Canvas;
ingo@862: import com.smartgwt.client.widgets.Label;
ingo@862: import com.smartgwt.client.widgets.layout.HLayout;
ingo@862: 
ingo@865: import de.intevation.flys.client.client.Config;
ingo@865: import de.intevation.flys.client.client.services.DescribeArtifactService;
ingo@865: import de.intevation.flys.client.client.services.DescribeArtifactServiceAsync;
ingo@862: import de.intevation.flys.client.shared.model.Artifact;
ingo@862: 
ingo@862: 
ingo@862: public class LoadingPanel extends Canvas {
ingo@862: 
ingo@865:     public static final int UPDATE_INTERVAL = 1000 * 10;
ingo@865: 
ingo@865:     public static final DescribeArtifactServiceAsync describe =
ingo@865:         GWT.create(DescribeArtifactService.class);
ingo@865: 
ingo@862: 
ingo@862:     protected CollectionView parent;
ingo@862:     protected Artifact       artifact;
ingo@862: 
ingo@862:     protected HLayout dialog;
ingo@862:     protected Label   msg;
ingo@862: 
ingo@862:     protected int i;
ingo@862: 
ingo@862: 
ingo@862:     public LoadingPanel(CollectionView parent, Artifact artifact) {
ingo@862:         super();
ingo@862: 
ingo@862:         this.parent   = parent;
ingo@862:         this.artifact = artifact;
ingo@862:         this.msg      = new Label();
ingo@862:         this.dialog   = createDialog();
ingo@862: 
ingo@862:         this.i = 0;
ingo@862: 
ingo@862:         initLayout();
ingo@862:         startTimer();
ingo@862:     }
ingo@862: 
ingo@862: 
ingo@862:     private void initLayout() {
ingo@862:         setWidth("100%");
ingo@862:         setHeight("98%");
ingo@862:         setBackgroundColor("#22AAFF");
ingo@862:         setOpacity(50);
ingo@862:         setPosition(Positioning.RELATIVE);
ingo@862: 
ingo@862:         parent.addChild(this);
ingo@862:         parent.addChild(dialog);
ingo@862:         dialog.moveTo(0, 20);
ingo@862:         moveTo(0, 7);
ingo@862:     }
ingo@862: 
ingo@862: 
ingo@865:     public void setArtifact(Artifact artifact) {
ingo@865:         this.artifact = artifact;
ingo@865:     }
ingo@865: 
ingo@865: 
ingo@862:     protected HLayout createDialog() {
ingo@862:         msg.setStyleName("loading-message");
ingo@862:         msg.setWidth(200);
ingo@862:         msg.setHeight(100);
ingo@862: 
ingo@862:         dialog = new HLayout();
ingo@862:         dialog.setDefaultLayoutAlign(Alignment.CENTER);
ingo@862:         dialog.setAlign(Alignment.CENTER);
ingo@862:         dialog.setWidth100();
ingo@862:         dialog.setHeight100();
ingo@862:         dialog.setBorder("1px solid green");
ingo@862: 
ingo@862:         dialog.addMember(msg);
ingo@862: 
ingo@862:         return dialog;
ingo@862:     }
ingo@862: 
ingo@862: 
ingo@862:     private void startTimer() {
ingo@862:         Timer t = new Timer() {
ingo@862:             @Override
ingo@862:             public void run() {
ingo@862:                 update();
ingo@862:             }
ingo@862:         };
ingo@862:         t.schedule(UPDATE_INTERVAL);
ingo@862:     }
ingo@862: 
ingo@862: 
ingo@865:     protected void update() {
ingo@862:         msg.setContents("This is update -> " + String.valueOf(i++));
ingo@862: 
ingo@865:         final Config config = Config.getInstance();
ingo@865:         final String url    = config.getServerUrl();
ingo@865:         final String locale = config.getLocale();
ingo@862: 
ingo@865:         describe.describe(url, locale, artifact, new AsyncCallback<Artifact>() {
ingo@865:             public void onFailure(Throwable t) {
ingo@865:                 GWT.log("Error while DESCRIBE artifact: " + t.getMessage());
ingo@865:                 // SC.warn()...
ingo@865:                 startTimer();
ingo@865:             }
ingo@862: 
ingo@865:             public void onSuccess(Artifact artifact) {
ingo@865:                 GWT.log("Successfully DESCRIBE artifact.");
ingo@865: 
ingo@865:                 setArtifact(artifact);
ingo@865: 
ingo@865:                 if (artifact.isInBackground()) {
ingo@865:                     startTimer();
ingo@865:                 }
ingo@865:                 else {
ingo@865:                     finish();
ingo@865:                 }
ingo@865:             }
ingo@865:         });
ingo@862:     }
ingo@862: 
ingo@862: 
ingo@862:     private void finish() {
ingo@862:         parent.removeChild(this);
ingo@862:         parent.removeChild(dialog);
ingo@862:     }
ingo@862: }
ingo@862: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :