added new java file for loading image

git-svn-id: http://15.206.35.175/svn/proteus/business-java/trunk@97315 ce508802-f39f-4f6c-b175-0d175dae99d5

webitm-dashboard/web/sfadashboard/src/ibase.client/E12LoadingInterface.java

+package ibase.client;
+
+import ibase.client.resources.Resources;
+
+import com.google.gwt.resources.client.ImageResource;
+import com.google.gwt.user.client.Window;
+import com.google.gwt.user.client.ui.HasAlignment;
+import com.google.gwt.user.client.ui.Image;
+import com.google.gwt.user.client.ui.Label;
+import com.google.gwt.user.client.ui.PopupPanel;
+import com.google.gwt.user.client.ui.VerticalPanel;
+
+public class E12LoadingInterface {
+	private PopupPanel loadingPnl = null;
+	private Label loadingInfo = new Label( "" );
+	private static final ImageResource LOAD_IMG = Resources.INSTANCE.loadingImg();
+	
+	public E12LoadingInterface(){
+		setLoading(false);
+	}
+	
+	public void setLoading( boolean flag ) 
+	{
+		if( loadingPnl == null )
+		{
+			loadingInfo.setStyleName( "busyIndicatorMessage" );
+			loadingInfo.setText( "Loading..." );
+			loadingPnl = new PopupPanel();
+			loadingPnl.setStyleName( "loadingPnl" );
+			Image loadingImg = new Image();
+			loadingImg.setResource( LOAD_IMG );
+			VerticalPanel container = new VerticalPanel();
+			container.setStyleName( "busyIndicatorContainer" );
+			container.setSpacing( 5 );
+			container.add( loadingImg );
+			container.add( loadingInfo );
+			container.setCellHorizontalAlignment(loadingImg, HasAlignment.ALIGN_CENTER);
+			container.setCellHorizontalAlignment(loadingInfo, HasAlignment.ALIGN_CENTER);
+			loadingPnl.add( container );
+			loadingPnl.setModal(true);
+			loadingPnl.setGlassEnabled(true);
+			loadingPnl.center();
+		}
+		if( flag )
+		{
+			loadingPnl.setPopupPositionAndShow(new PopupPanel.PositionCallback() {
+				  
+			    public void setPosition(int offsetWidth, int offsetHeight) 
+			    {
+			       int clientWidth = Window.getClientWidth() ;
+			       int left = ( ( clientWidth - offsetWidth ) / 2 ) ;
+			       int top = loadingPnl.getPopupTop();
+			       loadingPnl.setPopupPosition( left, top );
+		        }
+		   });			
+		}
+		else
+		{
+			loadingPnl.hide();
+		}
+	}
+	
+	public void setLoadingImg( boolean flag ) 
+	{
+		if( loadingPnl == null )
+		{
+			//loadingInfo.setStyleName( "busyIndicatorMessage" );
+			loadingInfo.setText( "Loading..." );
+			loadingPnl = new PopupPanel();
+			//loadingPnl.setStyleName( "loadingPnl" );
+			Image loadingImg = new Image();
+			loadingImg.setResource( LOAD_IMG );
+			VerticalPanel container = new VerticalPanel();
+			//container.setStyleName( "busyIndicatorContainer" );
+			container.setSpacing( 5 );
+			container.add( loadingImg );
+			container.add( loadingInfo );
+			container.setCellHorizontalAlignment(loadingImg, HasAlignment.ALIGN_CENTER);
+			container.setCellHorizontalAlignment(loadingInfo, HasAlignment.ALIGN_CENTER);
+			loadingPnl.add( container );
+			loadingPnl.setModal(true);
+			loadingPnl.setGlassEnabled(true);
+			loadingPnl.center();
+		}
+		if( flag )
+		{
+			loadingPnl.show();
+		}
+		else
+		{
+			loadingPnl.hide();
+		}
+	}
+	
+	
+	public void setLoadingInfo( String loadingInfoStr )
+	{
+		loadingInfo.setText( loadingInfoStr );
+	}
+}