root / branches / v2_0_0_prep / applications / appgvSIG / src / com / iver / cit / gvsig / project / documents / layout / commands / FrameCommandsRecord.java @ 24759
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package com.iver.cit.gvsig.project.documents.layout.commands; |
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import org.gvsig.fmap.dal.feature.Command; |
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import org.gvsig.fmap.dal.feature.impl.commands.AbstractCommandsRecord; |
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import com.iver.cit.gvsig.project.documents.layout.fframes.IFFrame; |
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/**
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* Clase en memoria para registrar y gestionar los comandos que vamos
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* realizando. La forma en que ha sido implementada esta clase, en vez de una
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* ?nica lista para albergar los comandos de deshacer(undos) y los de
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* rehacer(redos), se ha optado por dos pilas una para deshacer(undos) y otra
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* para rehacer(redos), de esta forma : Cuando se a?ade un nuevo comando, se
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* inserta este a la pila de deshacer(undos) y se borra de la de
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* rehacer(redos). Si se realiza un deshacer se desapila este comando de la
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* pila deshacer(undos) y se apila en la de rehacer(redos). Y de la misma
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* forma cuando se realiza un rehacer se desapila este comando de la pila de
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* rehacer(redos) y pasa a la de deshacer(undos).
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*
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* @author Vicente Caballero Navarro
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*/
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public class FrameCommandsRecord extends AbstractCommandsRecord { |
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private FrameManager expansionManager;
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public FrameCommandsRecord(FrameManager expansionManager){
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this.expansionManager=expansionManager;
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} |
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public void insert(Object obj) { |
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Command command=null;
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if (obj instanceof IFFrame){ |
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IFFrame frame=(IFFrame)obj; |
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command=new InsertFrameCommand(expansionManager, frame);
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}else{
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throw new RuntimeException("Object not supported by any command"); |
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} |
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add(command); |
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command.execute(); |
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} |
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public void delete(Object obj) { |
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Command command=null;
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if (obj instanceof IFFrame){ |
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IFFrame frame=(IFFrame)obj; |
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command=new DeleteFrameCommand(expansionManager,frame);
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}else{
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throw new RuntimeException("Object not supported by any command"); |
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} |
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add(command); |
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command.execute(); |
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} |
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public void update(Object obj, Object oldObj) { |
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Command command=null;
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if (obj instanceof IFFrame){ |
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IFFrame frame=(IFFrame)obj; |
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IFFrame oldFrame=(IFFrame)oldObj; |
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command=new UpdateFrameCommand(expansionManager,frame, oldFrame);
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}else{
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throw new RuntimeException("Object not supported by any command"); |
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} |
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add(command); |
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command.execute(); |
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} |
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public void clear() { |
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super.clear();
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expansionManager.clear(); |
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} |
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public FrameManager getFrameManager() {
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return expansionManager;
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} |
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} |