root / trunk / libraries / libUIComponent / src / org / gvsig / gui / beans / listview / ListViewComponent.java @ 12623
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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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package org.gvsig.gui.beans.listview; |
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import java.awt.Color; |
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import java.awt.Dimension; |
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import java.awt.Graphics; |
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import java.awt.Graphics2D; |
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import java.awt.Image; |
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import java.awt.Point; |
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import java.awt.Rectangle; |
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import java.awt.event.ActionEvent; |
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import java.awt.event.ActionListener; |
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import java.awt.event.FocusEvent; |
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import java.awt.event.FocusListener; |
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import java.awt.event.InputEvent; |
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import java.awt.event.KeyEvent; |
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import java.awt.event.KeyListener; |
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import java.awt.event.MouseEvent; |
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import java.awt.event.MouseListener; |
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import java.awt.event.MouseMotionListener; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import javax.swing.ButtonGroup; |
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import javax.swing.JComponent; |
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import javax.swing.JMenu; |
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import javax.swing.JPopupMenu; |
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import javax.swing.JRadioButtonMenuItem; |
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import javax.swing.JScrollPane; |
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import javax.swing.JTextField; |
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import javax.swing.JViewport; |
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import javax.swing.event.ListSelectionEvent; |
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import javax.swing.event.ListSelectionListener; |
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import org.gvsig.gui.beans.listview.painters.LargeIcon; |
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import org.gvsig.gui.beans.listview.painters.PaintList; |
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import org.gvsig.gui.beans.listview.painters.SmallIcon; |
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/**
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*
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* @version 28/06/2007
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* @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es)
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*/
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public class ListViewComponent extends JComponent implements MouseListener, MouseMotionListener, ActionListener, KeyListener, FocusListener { |
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private static final long serialVersionUID = 6177600314634665863L; |
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/**
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* Lista de los tipos de vista existentes
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*/
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private ArrayList painters = new ArrayList(); |
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private ArrayList paintersMenu = new ArrayList(); |
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/**
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* Lista de items
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*/
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private ArrayList items = new ArrayList(); |
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/**
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* Selecciona el tipo de vista
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*/
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private int view = 0; |
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/**
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* Booleano para saber si se permite la multiselecci?n
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*/
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private boolean multiSelect = false; |
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private Image image = null; |
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private int width = 0; |
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private int height = 0; |
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private Graphics2D widgetGraphics = null; |
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private JMenu jMenu = null; |
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private ButtonGroup buttonGroup = null; |
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private JPopupMenu jPopupMenu = null; |
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private JTextField jRenameEdit = null; |
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private int itemEdited = -1; |
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private int lastSelected = -1; |
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private int cursorPos = -1; |
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private boolean editable = false; |
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private ArrayList actionCommandListeners = new ArrayList(); |
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/**
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* Construye un <code>ListViewComponent</code>
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*
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*/
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public ListViewComponent() {
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setFocusable(true);
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initialize(); |
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} |
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/**
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* Inicializa el <code>ListViewComponent</code>
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*/
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private void initialize() { |
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addListViewPainter(new PaintList(items));
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addListViewPainter(new SmallIcon(items));
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addListViewPainter(new LargeIcon(items));
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addKeyListener(this);
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addMouseListener(this);
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addMouseMotionListener(this);
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} |
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/**
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* Obtiene que vista se esta usando en el componente
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* @return
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*/
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public int getView() { |
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return view;
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} |
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/**
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* Define que vista es la que se va a usar
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* @param view
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*/
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public void setView(int view) { |
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this.view = view;
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} |
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/**
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* Agrega una vista al componente
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* @param item
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*/
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public void addListViewPainter(IListViewPainter item) { |
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painters.add(item); |
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JRadioButtonMenuItem jRadioButtonMenuItem = new JRadioButtonMenuItem(); |
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getButtonGroup().add(jRadioButtonMenuItem); |
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jRadioButtonMenuItem.setText(item.getName()); |
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if (paintersMenu.size() == 0) |
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jRadioButtonMenuItem.setSelected(true);
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getJMenu().add(jRadioButtonMenuItem); |
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jRadioButtonMenuItem.addActionListener(this);
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paintersMenu.add(jRadioButtonMenuItem); |
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} |
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/**
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* Agrega un item al componente
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* @param item
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*/
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public void addItem(ListViewItem item) { |
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addItem(item, false);
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} |
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/**
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* Agrega un item al componente, si acceptRepeatNames es false no se aceptaran
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* nombres repetidos
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* @param item
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* @param acceptRepeatNames
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*/
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public void addItem(ListViewItem item, boolean acceptRepeatNames) { |
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items.add(item); |
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if (!acceptRepeatNames)
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changeName(item.getName(), items.size() - 1);
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repaint(); |
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viewItem(items.size() - 1);
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} |
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/**
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* Agrega el item en la posicion especificada de la lista.
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* @param pos
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* @param item
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*/
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public void addItem(int pos, ListViewItem item) { |
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items.add(pos, item); |
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changeName(item.getName(), pos); |
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repaint(); |
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viewItem(pos); |
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} |
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/**
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* Agrega un item al componente
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* @param item
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*/
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public void removeItem(int index) { |
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items.remove(index); |
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repaint(); |
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} |
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/**
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* Borra todos los items seleccionados
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*/
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public void removeSelecteds() { |
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for (int i = (items.size()-1); i>=0; i--) |
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if (((ListViewItem) items.get(i)).isSelected())
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items.remove(i); |
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repaint(); |
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} |
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/**
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* Devuelve un ArrayList con todos los items
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* @return
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*/
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public ArrayList getItems() { |
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return items;
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} |
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private Graphics2D getWidgetGraphics() { |
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getWidgetImage(); |
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return widgetGraphics;
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} |
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private Image getWidgetImage() { |
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int width2 = getVisibleRect().width;
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int height2 = getVisibleRect().height;
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if (width2 <= 0) |
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width2 = 1;
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if (height2 <= 0) |
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height2=1;
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if ((width != width2) || (height != height2)) {
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image = createImage(width2, height2); |
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if (image == null) |
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return null; |
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widgetGraphics = (Graphics2D) image.getGraphics();
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} |
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width = width2; |
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height = height2; |
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return image;
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} |
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/**
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* Redibujar el componente en el graphics temporal
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*/
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private void redrawBuffer() { |
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getWidgetGraphics().translate(-getVisibleRect().x, -getVisibleRect().y); |
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getWidgetGraphics().setColor(Color.white);
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getWidgetGraphics().fillRect(getVisibleRect().x, getVisibleRect().y, getVisibleRect().width, getVisibleRect().height); |
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((IListViewPainter) painters.get(view)).paint((Graphics2D) getWidgetGraphics(), getVisibleRect());
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getWidgetGraphics().translate(getVisibleRect().x, getVisibleRect().y); |
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} |
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public void paint(Graphics g) { |
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redrawBuffer(); |
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if (image != null) |
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g.drawImage(image, getVisibleRect().x, getVisibleRect().y, this);
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Dimension size = getPreferredSize();
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Dimension aux = ((IListViewPainter) painters.get(view)).getPreferredSize();
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if (!size.equals(aux)) {
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setPreferredSize(aux); |
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setSize(aux); |
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} |
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} |
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public boolean isMultiSelect() { |
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return multiSelect;
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} |
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public void setMultiSelect(boolean multiSelect) { |
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if (multiSelect == false) { |
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for (int i = 0; i<items.size(); i++) |
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((ListViewItem) items.get(i)).setSelected(false);
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if ((lastSelected != -1) && (lastSelected < items.size())) |
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((ListViewItem) items.get(lastSelected)).setSelected(true);
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} |
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this.multiSelect = multiSelect;
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repaint(); |
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} |
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private int getItem(int x, int y) { |
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Point point = new Point(x, y); |
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Rectangle rectangle = null; |
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for (int i = 0; i < items.size(); i++) { |
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rectangle = ((ListViewItem) items.get(i)).getItemRectangle(); |
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if ((rectangle != null) && (rectangle.getBounds().contains(point))) |
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return i;
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} |
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return -1; |
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} |
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/*
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* (non-Javadoc)
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* @see java.awt.event.MouseListener#mousePressed(java.awt.event.MouseEvent)
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*/
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public void mousePressed(MouseEvent e) { |
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requestFocus(); |
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try {
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if ((e.getModifiers() & InputEvent.BUTTON1_MASK) != InputEvent.BUTTON1_MASK) |
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return;
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cursorPos = getItem(e.getX(), e.getY()); |
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if (cursorPos == -1) |
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return;
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if (isMultiSelect()) {
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if ((e.getModifiers() & InputEvent.SHIFT_MASK) == InputEvent.SHIFT_MASK) { |
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int pos1 = cursorPos;
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int pos2 = lastSelected;
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if (pos2 < pos1) {
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pos1 = lastSelected; |
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pos2 = cursorPos; |
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} |
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if ((e.getModifiers() & InputEvent.CTRL_MASK) != InputEvent.CTRL_MASK) |
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for (int i = 0; i < items.size(); i++) |
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((ListViewItem) items.get(i)).setSelected(false);
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for (int i = pos1; i <= pos2; i++) |
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((ListViewItem) items.get(i)).setSelected(true);
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return;
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} |
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lastSelected = cursorPos; |
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if ((e.getModifiers() & InputEvent.CTRL_MASK) == InputEvent.CTRL_MASK) { |
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((ListViewItem) items.get(cursorPos)).setSelected(!((ListViewItem) items.get(cursorPos)).isSelected()); |
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return;
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} |
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for (int i = 0; i < items.size(); i++) |
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((ListViewItem) items.get(i)).setSelected(false);
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((ListViewItem) items.get(cursorPos)).setSelected(true);
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} else {
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boolean selected = true; |
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lastSelected = cursorPos; |
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if ((e.getModifiers() & InputEvent.CTRL_MASK) == InputEvent.CTRL_MASK) |
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selected = !((ListViewItem) items.get(cursorPos)).isSelected(); |
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for (int i = 0; i < items.size(); i++) |
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((ListViewItem) items.get(i)).setSelected(false);
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((ListViewItem) items.get(cursorPos)).setSelected(selected); |
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} |
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} finally {
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repaint(); |
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} |
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} |
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/**
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* Establece que un item debe estar visible en la vista
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* @param pos
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*/
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private void viewItem(int pos) { |
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if (getParent() instanceof JViewport) { |
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JViewport jViewport = (JViewport) getParent(); |
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if (jViewport.getParent() instanceof JScrollPane) { |
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ListViewItem lvi = ((ListViewItem) items.get(pos)); |
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Rectangle rectangle = lvi.getItemRectangle();
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if (rectangle == null) |
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return;
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rectangle.setLocation((int) rectangle.getX() - getVisibleRect().x, (int) rectangle.getY() - getVisibleRect().y); |
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jViewport.scrollRectToVisible(rectangle); |
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} |
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} |
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} |
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public void mouseDragged(MouseEvent e) { |
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if ((e.getModifiers() & InputEvent.BUTTON1_MASK) != InputEvent.BUTTON1_MASK) |
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return;
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if (isMultiSelect()) {
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if ((e.getModifiers() & InputEvent.SHIFT_MASK) == InputEvent.SHIFT_MASK) |
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return;
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if ((e.getModifiers() & InputEvent.CTRL_MASK) == InputEvent.CTRL_MASK) |
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return;
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} |
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int itemSelected = getItem(e.getX(), e.getY());
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if (itemSelected == -1) |
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return;
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lastSelected = itemSelected; |
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cursorPos = itemSelected; |
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for (int i = 0; i<items.size(); i++) |
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((ListViewItem) items.get(i)).setSelected(false);
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((ListViewItem) items.get(itemSelected)).setSelected(true);
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repaint(); |
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viewItem(itemSelected); |
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} |
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private JPopupMenu getPopupMenu() { |
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if (jPopupMenu == null) { |
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jPopupMenu = new JPopupMenu(); |
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getJMenu().setText("View");
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jPopupMenu.add(getJMenu()); |
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} |
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return jPopupMenu;
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} |
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public void mouseReleased(MouseEvent e) { |
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if ((e.getModifiers() & InputEvent.BUTTON3_MASK) == InputEvent.BUTTON3_MASK) |
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getPopupMenu().show (this, e.getX (), e.getY () );
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if ((e.getModifiers() & InputEvent.BUTTON1_MASK) == InputEvent.BUTTON1_MASK) { |
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fireSelectionValueChanged(1, 1, false); |
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} |
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} |
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public void mouseMoved(MouseEvent e) { |
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int itemSelected = getItem(e.getX(), e.getY());
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if (itemSelected == -1) { |
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setToolTipText(null);
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return;
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} |
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if (((ListViewItem) items.get(itemSelected)).isShowTooltip())
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setToolTipText(((ListViewItem) items.get(itemSelected)).getName()); |
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else
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setToolTipText(null);
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} |
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private ButtonGroup getButtonGroup() { |
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if (buttonGroup == null) |
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buttonGroup = new ButtonGroup(); |
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return buttonGroup;
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} |
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private JMenu getJMenu() { |
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if (jMenu == null) |
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jMenu = new JMenu(); |
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return jMenu;
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} |
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/*
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* (non-Javadoc)
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* @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
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*/
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public void actionPerformed(ActionEvent e) { |
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int pos = paintersMenu.indexOf(e.getSource());
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view = pos; |
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repaint(); |
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} |
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/**
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* Returns an array of the values for the selected cells. The returned values
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* are sorted in increasing index order.
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*
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* @return the selected values or an empty list if nothing is selected
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*/
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public ListViewItem[] getSelectedValues() { |
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int cont = 0; |
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for (int i = 0; i < items.size(); i++) { |
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if (((ListViewItem) items.get(i)).isSelected())
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cont++; |
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} |
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ListViewItem[] values = new ListViewItem[cont]; |
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cont = 0;
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for (int i = 0; i < items.size(); i++) { |
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if (((ListViewItem) items.get(i)).isSelected()) {
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values[cont] = (ListViewItem) items.get(i); |
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cont++; |
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} |
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} |
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return values;
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} |
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/**
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* Returns the first selected index; returns -1 if there is no selected item.
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*
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* @return the value of <code>getMinSelectionIndex</code>
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*/
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public int getSelectedIndex() { |
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for (int i = 0; i < items.size(); i++) { |
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if (((ListViewItem) items.get(i)).isSelected())
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return i;
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} |
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return -1; |
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} |
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/**
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* Select the index value
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*
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* @return the value of <code>getMinSelectionIndex</code>
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*/
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public void setSelectedIndex(int value) { |
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for (int i = 0; i < items.size(); i++) { |
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((ListViewItem) items.get(i)).setSelected(i == value); |
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} |
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} |
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/**
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* Returns the first selected value, or <code>null</code> if the selection
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* is empty.
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*
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* @return the first selected value
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*/
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public ListViewItem getSelectedValue() {
|
| 526 |
for (int i = 0; i < items.size(); i++) { |
| 527 |
if (((ListViewItem) items.get(i)).isSelected())
|
| 528 |
return (ListViewItem) items.get(i);
|
| 529 |
} |
| 530 |
return null; |
| 531 |
} |
| 532 |
|
| 533 |
/**
|
| 534 |
* Returns an array of all of the selected indices in increasing order.
|
| 535 |
*
|
| 536 |
* @return all of the selected indices, in increasing order
|
| 537 |
*/
|
| 538 |
public int[] getSelectedIndices() { |
| 539 |
int cont = 0; |
| 540 |
for (int i = 0; i < items.size(); i++) { |
| 541 |
if (((ListViewItem) items.get(i)).isSelected())
|
| 542 |
cont++; |
| 543 |
} |
| 544 |
int[] values = new int[cont]; |
| 545 |
cont = 0;
|
| 546 |
for (int i = 0; i < items.size(); i++) { |
| 547 |
if (((ListViewItem) items.get(i)).isSelected()) {
|
| 548 |
values[cont] = i; |
| 549 |
cont++; |
| 550 |
} |
| 551 |
} |
| 552 |
|
| 553 |
return values;
|
| 554 |
} |
| 555 |
|
| 556 |
/**
|
| 557 |
* A?adir un listener a la lista de eventos
|
| 558 |
* @param listener
|
| 559 |
*/
|
| 560 |
public void addListSelectionListener(ListSelectionListener listener) { |
| 561 |
if (!actionCommandListeners.contains(listener))
|
| 562 |
actionCommandListeners.add(listener); |
| 563 |
} |
| 564 |
|
| 565 |
/**
|
| 566 |
* Borrar un listener de la lista de eventos
|
| 567 |
* @param listener
|
| 568 |
*/
|
| 569 |
public void removeListSelectionListener(ListSelectionListener listener) { |
| 570 |
actionCommandListeners.remove(listener); |
| 571 |
} |
| 572 |
|
| 573 |
/**
|
| 574 |
* Invocar a los eventos asociados al componente
|
| 575 |
*/
|
| 576 |
private void fireSelectionValueChanged(int firstIndex, int lastIndex, boolean isAdjusting) { |
| 577 |
Iterator acIterator = actionCommandListeners.iterator();
|
| 578 |
ListSelectionEvent e = null; |
| 579 |
while (acIterator.hasNext()) {
|
| 580 |
ListSelectionListener listener = (ListSelectionListener) acIterator.next(); |
| 581 |
if (e == null) |
| 582 |
e = new ListSelectionEvent(this, firstIndex, lastIndex, isAdjusting); |
| 583 |
listener.valueChanged(e); |
| 584 |
} |
| 585 |
} |
| 586 |
|
| 587 |
public void renameItem(int item) { |
| 588 |
if (!isEditable())
|
| 589 |
return;
|
| 590 |
|
| 591 |
if ((item >= 0) && (item < items.size())) { |
| 592 |
if (((ListViewItem) items.get(item)).isSelected()) {
|
| 593 |
Rectangle rectangle = ((ListViewItem) items.get(item)).getNameRectangle();
|
| 594 |
|
| 595 |
if (rectangle != null) { |
| 596 |
itemEdited = item; |
| 597 |
((ListViewItem) items.get(itemEdited)).setSelected(false);
|
| 598 |
repaint(); |
| 599 |
this.setLayout(null); |
| 600 |
getJRenameEdit().setText(((ListViewItem) items.get(item)).getName()); |
| 601 |
this.add(getJRenameEdit());
|
| 602 |
getJRenameEdit().setBounds(rectangle); |
| 603 |
getJRenameEdit().addFocusListener(this);
|
| 604 |
getJRenameEdit().addKeyListener(this);
|
| 605 |
getJRenameEdit().requestFocus(); |
| 606 |
getJRenameEdit().setSelectionStart(0);
|
| 607 |
getJRenameEdit().setSelectionEnd(getJRenameEdit().getText().length()); |
| 608 |
} |
| 609 |
} |
| 610 |
} |
| 611 |
} |
| 612 |
|
| 613 |
public JTextField getJRenameEdit() { |
| 614 |
if (jRenameEdit == null) { |
| 615 |
jRenameEdit = new JTextField(); |
| 616 |
} |
| 617 |
return jRenameEdit;
|
| 618 |
} |
| 619 |
|
| 620 |
public void changeName(String newName, int pos) { |
| 621 |
if (newName.length() == 0) |
| 622 |
return;
|
| 623 |
String newNameAux = newName;
|
| 624 |
boolean isItem;
|
| 625 |
int newNumber = 0; |
| 626 |
do {
|
| 627 |
isItem = false;
|
| 628 |
for (int i = 0; i < items.size(); i++) { |
| 629 |
if ((i != pos) && (((ListViewItem) items.get(i)).getName().equals(newNameAux))) {
|
| 630 |
isItem = true;
|
| 631 |
newNumber++; |
| 632 |
newNameAux = newName + "_" + newNumber;
|
| 633 |
break;
|
| 634 |
} |
| 635 |
} |
| 636 |
} while (isItem);
|
| 637 |
((ListViewItem) items.get(pos)).setName(newNameAux); |
| 638 |
} |
| 639 |
|
| 640 |
public void closeRenameEdit() { |
| 641 |
if (jRenameEdit == null) |
| 642 |
return;
|
| 643 |
|
| 644 |
if (itemEdited != -1) { |
| 645 |
changeName(getJRenameEdit().getText(), itemEdited); |
| 646 |
|
| 647 |
((ListViewItem) items.get(cursorPos)).setSelected(true);
|
| 648 |
itemEdited = -1;
|
| 649 |
repaint(); |
| 650 |
} |
| 651 |
this.remove(getJRenameEdit());
|
| 652 |
jRenameEdit = null;
|
| 653 |
this.requestFocus();
|
| 654 |
} |
| 655 |
|
| 656 |
public void keyPressed(KeyEvent e) { |
| 657 |
if (e.getSource() == getJRenameEdit()) {
|
| 658 |
switch (e.getKeyCode()) {
|
| 659 |
case KeyEvent.VK_ESCAPE: |
| 660 |
getJRenameEdit().setText(((ListViewItem) items.get(itemEdited)).getName()); |
| 661 |
closeRenameEdit(); |
| 662 |
break;
|
| 663 |
case KeyEvent.VK_ENTER: |
| 664 |
closeRenameEdit(); |
| 665 |
break;
|
| 666 |
} |
| 667 |
|
| 668 |
return;
|
| 669 |
} |
| 670 |
if (e.getSource() == this) { |
| 671 |
if (e.getKeyCode() == KeyEvent.VK_F2) { |
| 672 |
renameItem(cursorPos); |
| 673 |
} |
| 674 |
} |
| 675 |
} |
| 676 |
|
| 677 |
public void focusLost(FocusEvent e) { |
| 678 |
closeRenameEdit(); |
| 679 |
} |
| 680 |
|
| 681 |
public void mouseClicked(MouseEvent e) { |
| 682 |
if (e.getSource() == this) |
| 683 |
// Si es doble click y hay alg?n elemento seleccionado en la lista lo eliminamos
|
| 684 |
if (e.getClickCount() == 2) { |
| 685 |
renameItem(cursorPos); |
| 686 |
} |
| 687 |
} |
| 688 |
|
| 689 |
/**
|
| 690 |
* Devuelve si se puede cambiar el nombre de los items
|
| 691 |
* @return
|
| 692 |
*/
|
| 693 |
public boolean isEditable() { |
| 694 |
return editable;
|
| 695 |
} |
| 696 |
|
| 697 |
/**
|
| 698 |
* Define si se puede cambiar el nombre de los items
|
| 699 |
* @param editable
|
| 700 |
*/
|
| 701 |
public void setEditable(boolean editable) { |
| 702 |
this.editable = editable;
|
| 703 |
} |
| 704 |
|
| 705 |
public void mouseEntered(MouseEvent e) {} |
| 706 |
public void mouseExited(MouseEvent e) {} |
| 707 |
public void keyReleased(KeyEvent e) {} |
| 708 |
public void keyTyped(KeyEvent e) {} |
| 709 |
public void focusGained(FocusEvent e) {} |
| 710 |
} |