svn-gvsig-desktop / trunk / applications / appgvSIG / src / com / iver / cit / gvsig / ZoomPrev.java @ 596
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package com.iver.cit.gvsig; |
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import com.iver.andami.PluginServices; |
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import com.iver.andami.plugins.Extension; |
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import com.iver.cit.gvsig.fmap.FMap; |
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import com.iver.cit.gvsig.fmap.ViewPort; |
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import com.iver.cit.gvsig.gui.View; |
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public class ZoomPrev implements Extension { |
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/**
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* @see com.iver.mdiApp.plugins.Extension#isEnabled()
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*/
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public boolean isEnabled() { |
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View vista = (View) PluginServices.getMDIManager().getActiveView(); |
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ViewPort vp = vista.getModel().getMapContext().getViewPort(); |
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return vp.getExtents().hasPrevious();
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} |
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/**
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* @see com.iver.mdiApp.plugins.Extension#isVisible()
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*/
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public boolean isVisible() { |
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com.iver.andami.ui.mdiManager.View f = PluginServices.getMDIManager().getActiveView(); |
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if (f == null) { |
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return false; |
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} |
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if (f.getClass() == View.class) { |
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View v = (View) f; |
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FMap mapa = v.getModel().getMapContext(); |
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return mapa.getLayers().getLayersCount() > 0; |
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} else {
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return false; |
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} |
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} |
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/**
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* @see com.iver.mdiApp.plugins.Extension#updateUI(java.lang.String)
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*/
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public void execute(String arg0) { |
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View vista = (View) PluginServices.getMDIManager().getActiveView(); |
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ViewPort vp = vista.getModel().getMapContext().getViewPort(); |
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vp.setExtentPrev(); |
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} |
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/**
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* @see com.iver.andami.plugins.Extension#inicializar()
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*/
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public void inicializar() { |
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} |
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} |