Revision 24403 branches/v2_0_0_prep/libraries/libFMap_data/src/org/gvsig/fmap/data/feature/CommandsRecord.java

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CommandsRecord.java
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/**


  		




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 * Record to stack the commands.


  		




  
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 * Record to stack the commands. 


  		




  
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 * This record is a command stack whose purpose is to give support and manage undo and re-do operations.


  		




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 *


  		




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 * @author Vicente Caballero Navarro


  		




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 */


  		




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public interface CommandsRecord extends WeakReferencingObservable{


  		




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	/**


  		




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	 *  Removes all of the elements from this Record.


  		




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	 *


  		




  
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	 *  Removes all the elements from this Record.


  		




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	 */


  		




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	public void clear();


  		




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	/**


  		




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	 */


  		




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	// public void add( Command command);


  		




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    /**


  		




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     * Deshace, ejecutando el ?ltimo comando de la pila de undos y cambiandolo


  		




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     * de esta pila a la de redos.


  		




  
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     * Undoes a command. Pops the UNDO stack, executes the obtained command and puts it onto the REDO stack.


  		




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     * 


  		




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     * @throws DataException


  		




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     */


  		




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	public void undo() throws DataException;


  		




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    /**


  		




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     * Rehacer, ejecuta el ?ltimo comando apilado en redos y lo cambia a la pila


  		




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     * de undos.


  		




  
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     * Re-does a command. Pops the REDO stack, executes the obtained command and puts it onto the UNDO stack.


  		




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     * 


  		




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     * @throws DataException


  		




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     */


  		




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	 * Returns the number of elements in this Record.


  		




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	 */


  		




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	public int size();


  		




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	/**


  		




  
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	/*


  		




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	 * Returns the position of pointer in this Record.


  		




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	 */


  		




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	// public int getPointer();


  		




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	/**


  		




  
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	/*


  		




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	 * Insert and update the position of pointer in this Record.


  		




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	 */


  		




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	// public void setPointer(int pos);


  		




  
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	/**


  		




  
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	 * Returns the list of commands in the UNDO stack


  		




  
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	 * 


  		




  
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	 * @return list of Command in the UNDO stack


  		




  
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	 */


  		




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	public List getUndoCommands();


  		




  
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	/**


  		




  
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	 * Returns the list of command in the REDO stack


  		




  
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	 * 


  		




  
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	 * @return list of Command in the REDO stack


  		




  
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	 */


  		




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	public List getRedoCommands();


  		




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	// public boolean moreUndoCommands();


  		




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	// public boolean moreRedoCommands();


  		












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