teichmann@5835: package org.dive4elements.river.client.client.ui;
felix@5486: 
felix@5486: import com.google.gwt.core.client.GWT;
felix@5486: 
felix@5486: import com.smartgwt.client.types.Alignment;
felix@5486: import com.smartgwt.client.types.VerticalAlignment;
felix@5486: import com.smartgwt.client.widgets.Img;
felix@5486: import com.smartgwt.client.widgets.layout.HLayout;
felix@5486: import com.smartgwt.client.widgets.layout.Layout;
felix@5486: import com.smartgwt.client.widgets.layout.VLayout;
felix@5486: 
teichmann@5835: import org.dive4elements.river.client.client.FLYSConstants;
felix@5486: 
felix@5486: /** Basic static functionality to show spinning wheel. */
felix@5486: public class ScreenLock {
felix@5486: 
felix@5486:     /** The message class that provides i18n strings. */
felix@5486:     protected static FLYSConstants messages = GWT.create(FLYSConstants.class);
felix@5486: 
felix@5486:     /** Disables input, grey out, show spinning wheel of joy. */
felix@5486:     public static VLayout lockUI(Layout layout, VLayout lockScreen) {
felix@5486:         if (lockScreen == null) {
felix@5486:             lockScreen = new VLayout();
felix@5486:             lockScreen.setWidth100();
felix@5486:             lockScreen.setHeight100();
felix@5486:             lockScreen.setBackgroundColor("#7f7f7f");
felix@5486:             lockScreen.setOpacity(50);
felix@5486:             lockScreen.setAlign(VerticalAlignment.CENTER);
felix@5486:             lockScreen.setDefaultLayoutAlign(VerticalAlignment.CENTER);
felix@5486: 
felix@5486:             HLayout inner = new HLayout();
felix@5486:             inner.setAlign(Alignment.CENTER);
felix@5486:             inner.setDefaultLayoutAlign(Alignment.CENTER);
felix@5486:             inner.setOpacity(100);
felix@5486: 
felix@5486:             Img img = new Img(
felix@5486:                 GWT.getHostPageBaseURL() + messages.loadingImg(),
felix@5486:                 25, 25);
felix@5486: 
felix@5486:             inner.addMember(img);
felix@5486: 
felix@5486:             lockScreen.addMember(inner);
felix@5486:         }
felix@5486: 
felix@5486:         layout.addChild(lockScreen);
felix@5486:         return lockScreen;
felix@5486:     }
felix@5486: 
felix@5486:     /** Enable input, remove grey, remove spinning wheel of joy. */
felix@5486:     public static void unlockUI(Layout layout, VLayout lockScreen) {
felix@5486:         layout.removeChild(lockScreen);
felix@5486:     }
felix@5486: }
felix@5486: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
felix@5486: