svn-gvsig-desktop / trunk / libraries / libUI / src / org / gvsig / gui / beans / controls / dnd / JDnDListModel.java @ 4520
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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) 2005 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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/* CVS MESSAGES:
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*
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* $Id: JDnDListModel.java 4520 2006-03-22 11:18:29Z jaume $
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* $Log$
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* Revision 1.1 2006-03-22 11:18:29 jaume
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* *** empty log message ***
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*
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* Revision 1.4 2006/02/28 15:25:14 jaume
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* *** empty log message ***
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*
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* Revision 1.2.2.3 2006/01/31 16:25:24 jaume
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* correcciones de bugs
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*
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* Revision 1.3 2006/01/26 16:07:14 jaume
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* *** empty log message ***
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*
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* Revision 1.2.2.1 2006/01/26 12:59:33 jaume
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* 0.5
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*
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* Revision 1.2 2006/01/24 14:36:33 jaume
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* This is the new version
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*
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* Revision 1.1.2.2 2006/01/17 12:55:40 jaume
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* *** empty log message ***
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*
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* Revision 1.1.2.1 2006/01/10 13:11:38 jaume
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* *** empty log message ***
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*
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* Revision 1.1.2.1 2005/12/29 08:26:54 jaume
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* some gui issues where fixed
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*
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* Revision 1.1.2.2 2005/12/22 16:46:00 jaume
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* puede borrar m?ltiples intervalos de entradas dentro de la lista
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*
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* Revision 1.1.2.1 2005/12/19 18:12:35 jaume
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* *** empty log message ***
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*
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*
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*/
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/**
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*
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*/
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package org.gvsig.gui.beans.controls.dnd; |
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import java.util.ArrayList; |
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import java.util.Collection; |
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import java.util.Iterator; |
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import javax.swing.AbstractListModel; |
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/**
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* List model to use in junction the JDnDList. Contains some useful tools.
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*
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* @author jaume dominguez faus - jaume.dominguez@iver.es
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*
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*/
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public class JDnDListModel extends AbstractListModel { |
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private ArrayList items = new ArrayList(); |
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/**
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* Inserts a collection of items before the specified index
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*/
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public void insertItems( int index, Collection objects ) { |
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// Handle the case where the items are being added to the end of the list
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if( index == -1 ) { |
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// Add the items
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for( Iterator i = objects.iterator(); i.hasNext(); ) { |
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String item = ( String )i.next(); |
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addElement(items.size(), item ); |
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} |
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} else {
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// Insert the items
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for( Iterator i = objects.iterator(); i.hasNext(); ) { |
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Object item = i.next();
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insertElement( index++, item ); |
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} |
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} |
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// Tell the list to update itself
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this.fireContentsChanged( this, 0, this.items.size() - 1 ); |
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} |
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/**
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* Inserts a new element into the list at the position mentioned in the index param.
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* @param index
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* @param item
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*/
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public boolean insertElement(int index, Object element) { |
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if (element == null) { |
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return false; |
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} |
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for (int i = 0; i < items.size(); i++) { |
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if (items.get(i).equals(items)) {
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return false; |
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} |
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} |
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this.items.add(index, element);
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return true; |
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} |
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/**
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* Adds a new element at the position indicated by pos of the list.
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* @param j
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* @param pos
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*/
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public boolean addElement(int j, Object element) { |
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if (element == null) { |
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return false; |
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} |
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for (int i = 0; i < items.size(); i++) { |
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if (items.get(i).equals(items)) {
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return false; |
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} |
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} |
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this.items.add(j, element);
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fireContentsChanged(this, items.size() - 1, items.size() - 1); |
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return true; |
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} |
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/**
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* Adds a new element at the position indicated by pos of the list.
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* @param j
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* @param pos
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*/
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public boolean addElement(Object element) { |
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return addElement(items.size(), element);
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} |
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/**
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* Removes every elements contained in the collection from this list.
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*/
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public void delElements(Collection c) { |
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items.removeAll(c); |
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this.fireContentsChanged(this, 0, items.size()); |
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} |
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/**
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* Removes the items of the list mentioned by the index array passed as argument.
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* @param indices
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*/
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public void delIndices(int[] indices){ |
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int removed = 0; |
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for (int i = 0; i < indices.length; i++) { |
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items.remove(indices[i]-removed); |
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removed++; |
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} |
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} |
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public void itemsMoved( int newIndex, int[] indicies ) { |
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// Copy the objects to a temporary ArrayList
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ArrayList objects = new ArrayList(); |
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for( int i=0; i<indicies.length; i++ ) { |
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objects.add( this.items.get( indicies[ i ] ) );
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} |
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// Delete the objects from the list
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for( int i=indicies.length-1; i>=0; i-- ) { |
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this.items.remove( indicies[ i ] );
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} |
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// Insert the items at the new location
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insertItems( newIndex, objects ); |
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} |
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/* (non-Javadoc)
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* @see javax.swing.ListModel#getSize()
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*/
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public int getSize() { |
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return items.size();
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} |
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/* (non-Javadoc)
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* @see javax.swing.ListModel#getElementAt(int)
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*/
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public Object getElementAt(int index) { |
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return items.get(index);
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} |
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/**
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* Removes any item currently contained by this list.
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*
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*/
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public void clear() { |
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items.clear(); |
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fireContentsChanged(this, 0, 0); |
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} |
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/**
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* Returns an ArrayList containing the elements of this list.
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*/
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public ArrayList getElements() { |
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return items;
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} |
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} |