litesoft
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// This Source Code is in the Public Domain per: http://litesoft.org/License.txt package org.litesoft.GWT.client.widgets; import org.litesoft.GWT.client.widgets.nonpublic.*; import com.google.gwt.core.client.*; import com.google.gwt.user.client.*; import com.google.gwt.user.client.ui.*; import com.google.gwt.user.client.ui.impl.*; public class SizeableFrameWithGlass extends SizeableFrame { private static final PopupImpl sImpl = (PopupImpl) GWT.create( PopupImpl.class ); private Element mGlassDiv; public SizeableFrameWithGlass() { DOM.setElementProperty( mFrame.getElement(), "scrolling", "no" ); mGlassDiv = DOM.createDiv(); Element styleDiv = getStyleElement(); DOM.setStyleAttribute( styleDiv, "position", "relative" ); DOM.setStyleAttribute( mGlassDiv, "position", "absolute" ); DOM.setStyleAttribute( mGlassDiv, "left", "0px" ); DOM.setStyleAttribute( mGlassDiv, "top", "0px" ); DOM.setStyleAttribute( mGlassDiv, "width", "200" ); DOM.setStyleAttribute( mGlassDiv, "height", "160" ); CommonElementHelper.setStyleClass( mGlassDiv, "litesoft-FrameGlassPanel" ); DOM.appendChild( styleDiv, mGlassDiv ); } public SizeableFrameWithGlass( String url ) { this(); setUrl( url ); } private ClickListener mClickListener = null; public void addClickListener( ClickListener pClickListener ) { if ( pClickListener != null ) { if ( mClickListener == null ) { DOM.sinkEvents( mGlassDiv, Event.ONCLICK ); } mClickListener = pClickListener; } } @Override public void onBrowserEvent( Event event ) { if ( (Event.ONCLICK == DOM.eventGetType( event )) && (mClickListener != null) ) { mClickListener.onClick( this ); return; } super.onBrowserEvent( event ); } @Override protected void onAttach() { super.onAttach(); sImpl.onShow( mGlassDiv ); DOM.setEventListener( mGlassDiv, this ); } @Override protected void onDetach() { // todo: throws Exception in IE: sImpl.onHide( mGlassDiv ); if ( mDeferredProcess != null ) { mDeferredProcess.cancel(); mDeferredProcess = null; } DOM.setEventListener( mGlassDiv, null ); super.onDetach(); } @Override public void setWidth( String width ) { super.setWidth( width ); forceGlassSize(); } @Override public void setHeight( String height ) { super.setHeight( height ); forceGlassSize(); } protected void forceGlassWidth() { int fWidth = mFrame.getOffsetWidth(); DOM.setStyleAttribute( mGlassDiv, "width", "" + fWidth ); } protected void forceGlassHeight() { int fHeight = mFrame.getOffsetHeight(); DOM.setStyleAttribute( mGlassDiv, "height", "" + fHeight ); } protected void forceGlassSize() { if ( mDeferredProcess == null ) { DeferredCommand.addCommand( mDeferredProcess = new MyDeferredProcess() ); } } private MyDeferredProcess mDeferredProcess = null; private class MyDeferredProcess extends Timer implements Command { @Override public void execute() { schedule( 10 ); } @Override public void run() { forceGlassWidth(); forceGlassHeight(); mDeferredProcess = null; } } } |