Revision 290

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trunk/org.gvsig.app.document.layout2.app/org.gvsig.app.document.layout2.app.mainplugin/src/main/java/org/gvsig/app/extension/FFrameViewZoomPrev.java
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import org.gvsig.app.project.documents.layout.fframes.IFFrameUseFMap;
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import org.gvsig.app.project.documents.layout.gui.LayoutPanel;
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import org.gvsig.fmap.mapcontext.ExtentHistory;
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import org.gvsig.fmap.mapcontext.MapContext;
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import org.gvsig.fmap.mapcontext.ViewPort;
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  ......




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    		IFFrameUseFMap[] fframes = l.getLayoutContext().getSelectedFFrames(IFFrameUseFMap.class);


  		




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    		if (fframes.length==1 && !(fframes[0] instanceof FFrameOverView)) {


  		




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    			IFFrameUseFMap fframeView = (IFFrameUseFMap) fframes[0];


  		




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    			ExtentHistory history = fframeView.getMapContext().getViewPort().getEnvelopes();


  		




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    			if (history.hasPrevious()&&fframeView.getScaleType()==IFFrameUseFMap.SCALE_TYPE.NORMAL) {


  		




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    				return true;


  		




  
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    			MapContext mc = fframeView.getMapContext();


  		




  
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    			if (mc!=null) {


  		




  
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    				ExtentHistory history = mc.getViewPort().getEnvelopes();


  		




  
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    				if (history.hasPrevious()&&fframeView.getScaleType()==IFFrameUseFMap.SCALE_TYPE.NORMAL) {


  		




  
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    					return true;


  		




  
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    				}


  		




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    			}


  		




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    		}


  		




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    	}


  		












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