Revision 20100 branches/v10/libraries/libFMap/src/com/iver/cit/gvsig/fmap/layers/LayerPositionEvent.java
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package com.iver.cit.gvsig.fmap.layers; |
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/** |
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* Evento de posici?n de la capa en el TOC.
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* <p>Event produced when a layer has been or is being moved from a collection of layers.</p>
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* |
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* @author Vicente Caballero Navarro |
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*/ |
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public class LayerPositionEvent extends LayerCollectionEvent {
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/** |
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* Indica el indice que ten?a la capa afectada en caso de que el evento sea |
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* un layerMoved. En caso de que no sea dicho evento, tendra el mismo |
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* valor que el atributo index |
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* <p>If this event is a <i>LAYER_MOVED</i> type, stores the previous index of the affected layer in the layer |
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* collection; otherwise its value will be the same as the <code>newPos</code> one.</p> |
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*/ |
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private int oldPos; |
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/** Indice de la capa en la coleccion */ |
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/** |
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* <p>The new index in the layer collection of the layer affected.</p> |
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*/ |
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private int newPos; |
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/** |
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* <p>Identifies this event as a action on a layer that is being moved.</p> |
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*/ |
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private final static int LAYER_MOVING = 4; |
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/** |
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* <p>Identifies this event as a action on a layer that has been moved.</p> |
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*/ |
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private final static int LAYER_MOVED = 1; |
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/** |
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* <p>Creates a new layer position event notifying a "layer moved" action.</p> |
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* |
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* @param lyr layer affected by the action |
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* @param oldp previous index of the affected layer in the layer collection |
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* @param newp new index of the affected layer in the layer collection |
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* |
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* @return a new layer position event |
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*/ |
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public static LayerPositionEvent createLayerMovedEvent(FLayer lyr, int oldp, int newp){
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return new LayerPositionEvent(lyr, oldp, newp, LAYER_MOVED); |
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} |
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/** |
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* <p>Creates a new layer position event notifying a "layer moving" action.</p> |
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* |
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* @param lyr layer affected by the action |
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* @param oldp previous index of the affected layer in the layer collection |
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* @param newp new index of the affected layer in the layer collection |
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* |
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* @return a new layer position event |
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*/ |
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public static LayerPositionEvent createLayerMovingEvent(FLayer lyr, int oldp, int newp){
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return new LayerPositionEvent(lyr, oldp, newp, LAYER_MOVING); |
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} |
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/** |
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* Crea un nuevo LayerPositionEvent. |
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* |
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* @param lyr |
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* @param oldp Antigua posici?n. |
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* @param newp Nueva posici?n. |
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* <p>Creates a new layer position event of the specified type.</p> |
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* |
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* @param lyr layer affected by the action |
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* @param oldp previous index of the affected layer in the layer collection |
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* @param newp new index of the affected layer in the layer collection |
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* @param eventType type of layer collection event |
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* |
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* @return a new layer position event |
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*/ |
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private LayerPositionEvent(FLayer lyr, int oldp, int newp, int eventType) {
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super(lyr, eventType); |
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} |
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/** |
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* Devuelve la posici?n origen.
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* <p>Gets the previous index of the affected layer in the layer collection.</p>
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* |
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* @return Posici?n origen.
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* @return the previous index
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*/ |
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public int getOldPos() {
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return oldPos; |
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} |
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/** |
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* Devuelve la posici?n destino.
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* <p>Gets the new index of the affected layer in the layer collection.</p>
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* |
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* @return Posici?n destino.
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* @return the new index
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*/ |
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public int getNewPos() {
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return newPos; |
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