svn-gvsig-desktop / trunk / libraries / libUI / src / org / gvsig / gui / beans / swing / treeTable / AbstractTreeTableModel.java @ 8238
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package org.gvsig.gui.beans.swing.treeTable; |
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import javax.swing.event.EventListenerList; |
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import javax.swing.event.TreeModelEvent; |
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import javax.swing.event.TreeModelListener; |
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import javax.swing.tree.TreePath; |
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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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/* CVS MESSAGES:
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*
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* $Id: AbstractTreeTableModel.java 8238 2006-10-23 11:13:55Z jorpiell $
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* $Log$
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* Revision 1.2 2006-10-23 11:13:55 jorpiell
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* A?adida la posibilidad de recargar el ?rbol tantas veces como queramos
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*
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* Revision 1.1 2006/10/23 08:18:39 jorpiell
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* A?adida la clase treetable
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*
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*
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*/
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/**
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* @author Jorge Piera Llodr? (piera_jor@gva.es)
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*/
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public abstract class AbstractTreeTableModel implements TreeTableModel { |
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protected Object root; |
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protected EventListenerList listenerList = new EventListenerList(); |
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public AbstractTreeTableModel(Object root) { |
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setNodes(root); |
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} |
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public void setNodes(Object root){ |
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if (root == null){ |
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this.root = new Root(new Object[0]); |
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}else if (root instanceof Object[]){ |
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this.root = new Root((Object[])root); |
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}else{
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this.root = root;
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} |
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} |
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//
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// Default implmentations for methods in the TreeModel interface.
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//
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public Object getRoot() { |
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return root;
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} |
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public boolean isLeaf(Object node) { |
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return getChildCount(node) == 0; |
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} |
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public void valueForPathChanged(TreePath path, Object newValue) {} |
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// This is not called in the JTree's default mode: use a naive implementation.
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public int getIndexOfChild(Object parent, Object child) { |
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for (int i = 0; i < getChildCount(parent); i++) { |
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if (getChild(parent, i).equals(child)) {
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return i;
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} |
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} |
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return -1; |
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} |
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public void addTreeModelListener(TreeModelListener l) { |
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listenerList.add(TreeModelListener.class, l);
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} |
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public void removeTreeModelListener(TreeModelListener l) { |
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listenerList.remove(TreeModelListener.class, l);
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} |
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/*
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* Notify all listeners that have registered interest for
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* notification on this event type. The event instance
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* is lazily created using the parameters passed into
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* the fire method.
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* @see EventListenerList
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*/
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protected void fireTreeNodesChanged(Object source, Object[] path, |
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int[] childIndices, |
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Object[] children) { |
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// Guaranteed to return a non-null array
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Object[] listeners = listenerList.getListenerList(); |
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TreeModelEvent e = null; |
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// Process the listeners last to first, notifying
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// those that are interested in this event
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for (int i = listeners.length-2; i>=0; i-=2) { |
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if (listeners[i]==TreeModelListener.class) { |
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// Lazily create the event:
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if (e == null) |
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e = new TreeModelEvent(source, path, |
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childIndices, children); |
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((TreeModelListener)listeners[i+1]).treeNodesChanged(e); |
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} |
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} |
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} |
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/*
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* Notify all listeners that have registered interest for
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* notification on this event type. The event instance
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* is lazily created using the parameters passed into
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* the fire method.
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* @see EventListenerList
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*/
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protected void fireTreeNodesInserted(Object source, Object[] path, |
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int[] childIndices, |
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Object[] children) { |
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// Guaranteed to return a non-null array
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Object[] listeners = listenerList.getListenerList(); |
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TreeModelEvent e = null; |
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// Process the listeners last to first, notifying
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// those that are interested in this event
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for (int i = listeners.length-2; i>=0; i-=2) { |
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if (listeners[i]==TreeModelListener.class) { |
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// Lazily create the event:
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if (e == null) |
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e = new TreeModelEvent(source, path, |
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childIndices, children); |
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((TreeModelListener)listeners[i+1]).treeNodesInserted(e); |
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} |
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} |
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} |
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/*
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* Notify all listeners that have registered interest for
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* notification on this event type. The event instance
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* is lazily created using the parameters passed into
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* the fire method.
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* @see EventListenerList
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*/
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protected void fireTreeNodesRemoved(Object source, Object[] path, |
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int[] childIndices, |
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Object[] children) { |
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// Guaranteed to return a non-null array
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Object[] listeners = listenerList.getListenerList(); |
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TreeModelEvent e = null; |
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// Process the listeners last to first, notifying
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// those that are interested in this event
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for (int i = listeners.length-2; i>=0; i-=2) { |
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if (listeners[i]==TreeModelListener.class) { |
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// Lazily create the event:
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if (e == null) |
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e = new TreeModelEvent(source, path, |
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childIndices, children); |
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((TreeModelListener)listeners[i+1]).treeNodesRemoved(e); |
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} |
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} |
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} |
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/*
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* Notify all listeners that have registered interest for
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* notification on this event type. The event instance
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* is lazily created using the parameters passed into
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* the fire method.
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* @see EventListenerList
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*/
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protected void fireTreeStructureChanged(Object source, Object[] path, |
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int[] childIndices, |
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Object[] children) { |
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// Guaranteed to return a non-null array
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Object[] listeners = listenerList.getListenerList(); |
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TreeModelEvent e = null; |
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// Process the listeners last to first, notifying
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// those that are interested in this event
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for (int i = listeners.length-2; i>=0; i-=2) { |
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if (listeners[i]==TreeModelListener.class) { |
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// Lazily create the event:
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if (e == null) |
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e = new TreeModelEvent(source, path, |
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childIndices, children); |
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((TreeModelListener)listeners[i+1]).treeStructureChanged(e); |
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} |
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} |
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} |
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//
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// Default impelmentations for methods in the TreeTableModel interface.
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//
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public Class getColumnClass(int column) { return Object.class; } |
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/** By default, make the column with the Tree in it the only editable one.
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* Making this column editable causes the JTable to forward mouse
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* and keyboard events in the Tree column to the underlying JTree.
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*/
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public boolean isCellEditable(Object node, int column) { |
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return getColumnClass(column) == TreeTableModel.class;
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} |
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public void setValueAt(Object aValue, Object node, int column) {} |
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/**
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* This class will be the root for the trees "without root"
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* @author Jorge Piera Llodr? (piera_jor@gva.es)
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*
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*/
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public class Root{ |
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private Object[] leafs = null; |
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public Root(Object[] leafs){ |
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this.leafs = leafs;
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} |
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public String toString(){ |
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return ""; |
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} |
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public int getChildCount(){ |
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if (leafs == null){ |
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return 0; |
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} |
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return leafs.length;
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} |
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/**
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* @return Returns the leafs.
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*/
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public Object[] getChildren() { |
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return leafs;
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} |
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} |
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} |
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