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package org.litesoft.GWT.client.ui.inspection;
import org.litesoft.GWT.client.*;
import org.litesoft.GWT.client.widgets.*;
import org.litesoft.GWT.client.widgets.nonpublic.*;
import com.google.gwt.user.client.ui.*;
public class WidgetFinder
{
private WidgetSelector mSelector;
private WidgetFinder( WidgetSelector pSelector )
{
mSelector = pSelector;
}
/**
* @throws ClassCastException if the returned object is incompatible with <code>T</code>
*/
@SuppressWarnings("unchecked")
public static <T extends Widget> T findRequired( Object pWhat, WidgetSelector pSelector )
{
T zWidget = (T) find( pSelector );
if ( zWidget == null )
{
AlertManager.alert( "WidgetFinder", "Not Found", "No Widget Found for: \n" + pWhat );
}
return zWidget;
}
public static Widget find( WidgetSelector pSelector )
{
return (pSelector != null) ? new WidgetFinder( pSelector ).check( RootPanel.get(), WindowSizingPanel.get() ) : null;
}
private Widget check( Widget pWidget1, Widget pWidget2 )
{
Widget zWidget = check( pWidget1 );
return (zWidget != null) ? zWidget : check( pWidget2 );
}
private Widget check( Widget pWidget )
{
if ( pWidget != null )
{
if ( mSelector.isAcceptable( pWidget ) )
{
return pWidget;
}
if ( pWidget instanceof HasWidgets )
{
for ( Widget zWidget : (HasWidgets) pWidget )
{
if ( null != (zWidget = check( zWidget )) )
{
return zWidget;
}
}
}
else if ( pWidget instanceof WidgetCompositor )
{
for ( Widget zWidget : ((WidgetCompositor) pWidget).getCompositedWidgets() )
{
if ( null != (zWidget = check( zWidget )) )
{
return zWidget;
}
}
}
}
return null;
}
}
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Revision |
Author |
Commited |
Message |
2
|
GeorgeS
|
Sun 07 Feb, 2010 12:50:58 +0000 |
|