root / branches / v2_0_0_prep / libraries / libFMap_mapcontext / src / org / gvsig / fmap / mapcontext / layers / LayerPositionEvent.java @ 38605
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package org.gvsig.fmap.mapcontext.layers; |
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/**
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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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* <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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/**
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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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* <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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oldPos = oldp; |
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newPos = newp; |
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} |
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/**
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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 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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* <p>Gets the new index of the affected layer in the layer collection.</p>
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*
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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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} |
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} |