svn-gvsig-desktop / tags / v2_0_0_Build_2060 / libraries / libUIComponent / src / org / gvsig / gui / beans / controls / combobutton / ComboButton.java @ 39371
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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.controls.combobutton; |
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import java.awt.Color; |
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import java.awt.Graphics; |
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import java.awt.Graphics2D; |
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import java.awt.RenderingHints; |
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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.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.awt.geom.GeneralPath; |
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import java.util.ArrayList; |
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import java.util.Iterator; |
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import javax.swing.JButton; |
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import javax.swing.JMenuItem; |
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import javax.swing.JPopupMenu; |
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import org.gvsig.gui.beans.controls.IControl; |
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/**
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* Boton destinado a ser usado en un JToolBar que ofrece un desplegable de
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* items de menu.
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*
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* @version 06/02/2008
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* @author BorSanZa - Borja S?nchez Zamorano (borja.sanchez@iver.es)
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*/
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public class ComboButton extends JButton implements IControl, MouseListener, MouseMotionListener, ActionListener { |
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private static final long serialVersionUID = -1412453774004951410L; |
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private JPopupMenu popMenu = new JPopupMenu(); |
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private static int BORDER = 6; |
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private int offsetTrianglex = -4; |
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private int offsetTriangley = -4; |
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private int triangleWidth = 8; |
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private int triangleHeight = 7; |
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private boolean showToolTipText = true; |
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private boolean showMenuAlways = true; |
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private boolean alwaysMenuOnClick = false; |
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private ArrayList<ComboButtonListener> actionCommandListeners = new ArrayList<ComboButtonListener>(); |
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/**
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* Indica si en la siguiente agregacion de un item ha de llevar un separador
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* previo
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*/
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private boolean nextSeparator = false; |
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public ComboButton() {
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addMouseListener(this);
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addMouseMotionListener(this);
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addActionListener(this);
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} |
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/**
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* @deprecated Mantego el metodo para posibles compatibilidades
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* @param mode
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* @return
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*/
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public boolean selectMode(int mode) { |
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String modeText = mode + ""; |
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for (int i = 0; i < popMenu.getSubElements().length; i++) { |
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JMenuItem mi = (JMenuItem) popMenu.getSubElements()[i]; |
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// found item for mode?
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if (mi.getActionCommand().equals(modeText)) {
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selectItem(mi); |
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return true; |
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} |
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} |
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return false; |
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} |
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private void selectItem(JMenuItem mi) { |
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setIcon(mi.getIcon()); |
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setToolTipText(mi.getText()); |
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setActionCommand(mi.getActionCommand()); |
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// requestFocus();
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} |
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public void setSelectedItem(String actionCommand) { |
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for (int i = 0; i < popMenu.getSubElements().length; i++) { |
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if (((JMenuItem) popMenu.getSubElements()[i].getComponent()).getActionCommand().equals(actionCommand)) { |
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selectItem((JMenuItem) popMenu.getSubElements()[i].getComponent());
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break;
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} |
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} |
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// popMenu.requestFocus();
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} |
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/**
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* Borra todos los items de la lista desplegable
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*/
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public void clearButtons() { |
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popMenu.removeAll(); |
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} |
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/**
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* A?ade un JMenuItem al menu desplegable
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* @param menu
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*/
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public void addButton(JButton menu) { |
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JMenuItem mi = new JMenuItem(); |
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mi.setText(menu.getText()); |
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mi.setIcon(menu.getIcon()); |
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mi.setEnabled(menu.isEnabled()); |
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mi.setActionCommand(menu.getActionCommand()); |
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mi.addActionListener(this);
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if (nextSeparator) {
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popMenu.addSeparator(); |
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nextSeparator = false;
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} |
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popMenu.add(mi); |
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if (popMenu.getSubElements().length == 1) { |
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// init tbutton
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setIcon(menu.getIcon()); |
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setActionCommand(menu.getActionCommand()); |
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setToolTipText(menu.getText()); |
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} |
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} |
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/**
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* Indica que en la siguiente agregaci?n de un item al menu ha de llevar un
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* separador
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*/
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public void addSeparator() { |
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nextSeparator = true;
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} |
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/**
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* Muestra/Oculta el menu
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* @param flag
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*/
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public void setPopupVisible(boolean flag) { |
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if (flag) {
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if (popMenu.isShowing())
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return;
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popMenu.show(this, 0, getHeight()); |
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} else {
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popMenu.setVisible(false);
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} |
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} |
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public void setAction(ActionEvent action) { |
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for (int i = 0; i < popMenu.getSubElements().length; i++) { |
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if (((JMenuItem) popMenu.getSubElements()[i].getComponent()).getActionCommand().equals(action.getActionCommand())) { |
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((JMenuItem) popMenu.getSubElements()[i].getComponent()).doClick();
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} |
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} |
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} |
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/*
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* (non-Javadoc)
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* @see org.gvsig.gui.beans.controls.IControl#setValue(java.lang.Object)
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*/
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public Object setValue(Object value) { |
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return value;
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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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for (int i = 0; i < popMenu.getSubElements().length; i++) { |
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if (e.getSource() instanceof JMenuItem && popMenu.getSubElements()[i] == e.getSource()) { |
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selectItem((JMenuItem) e.getSource());
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callComboButtonClickedListeners(); |
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return;
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} |
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} |
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} |
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/*
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* (non-Javadoc)
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* @see javax.swing.JComponent#paint(java.awt.Graphics)
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*/
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public void paint(Graphics g) { |
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super.paint(g);
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Graphics2D g2 = (Graphics2D) g; |
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if (showMenuAlways || popMenu.getSubElements().length > 1) { |
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g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); |
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// draw little arrow (for popup menu)
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drawTriangle(g2); |
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} |
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} |
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private void drawTriangle(Graphics2D g2) { |
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GeneralPath gp = new GeneralPath(); |
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int x = 0; |
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if (offsetTrianglex < 0) |
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x = this.getWidth() + offsetTrianglex - BORDER;
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else
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x = offsetTrianglex + BORDER; |
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int y = 0; |
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if (offsetTriangley < 0) |
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y = this.getHeight() + offsetTriangley - BORDER;
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else
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y = offsetTriangley + BORDER; |
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gp.moveTo(x, y); |
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gp.lineTo(x + triangleWidth, y); |
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gp.lineTo(x + (triangleWidth / 2), y + triangleHeight);
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gp.closePath(); |
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g2.setColor(Color.white);
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g2.fill(gp); |
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g2.setColor(new Color(0, 0, 0, 130)); |
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g2.draw(gp); |
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} |
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private boolean popupTriangleClicked(int x, int y) { |
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if (alwaysMenuOnClick)
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return true; |
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if (!showMenuAlways && (popMenu.getSubElements().length <= 1)) |
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return false; |
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if (offsetTrianglex < 0) { |
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if (x < (this.getWidth() - BORDER + offsetTrianglex)) |
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return false; |
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} else {
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if (x > (BORDER + offsetTrianglex + triangleWidth))
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return false; |
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} |
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if (offsetTriangley < 0) { |
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if (y < (this.getHeight() - BORDER + offsetTriangley)) |
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return false; |
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} else {
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if (y > (BORDER + offsetTriangley + triangleHeight))
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return false; |
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} |
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return true; |
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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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boolean showPopup = popupTriangleClicked(e.getX(), e.getY());
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if (showPopup)
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setPopupVisible(showPopup); |
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else
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callComboButtonClickedListeners(); |
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} |
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/**
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* A?adir un listener a la lista de eventos
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* @param listener
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*/
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public void addComboButtonClickedListener(ComboButtonListener listener) { |
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if (!actionCommandListeners.contains(listener))
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actionCommandListeners.add(listener); |
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} |
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/**
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* Borrar un listener de la lista de eventos
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* @param listener
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*/
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public void removeComboButtonClickedListener(ComboButtonListener listener) { |
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actionCommandListeners.remove(listener); |
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} |
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/**
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* Invocar a los eventos asociados al componente
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*/
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private void callComboButtonClickedListeners() { |
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Iterator<ComboButtonListener> acIterator = actionCommandListeners.iterator();
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while (acIterator.hasNext()) {
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ComboButtonListener listener = acIterator.next(); |
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listener.actionComboButtonClicked(new ComboButtonEvent(this)); |
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} |
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} |
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/*
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* (non-Javadoc)
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* @see javax.swing.JComponent#getToolTipText()
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*/
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public String getToolTipText() { |
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if (showToolTipText)
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return super.getToolTipText(); |
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return null; |
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} |
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/*
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* (non-Javadoc)
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* @see java.awt.event.MouseMotionListener#mouseDragged(java.awt.event.MouseEvent)
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*/
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public void mouseDragged(MouseEvent e) { |
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if (popupTriangleClicked(e.getX(), e.getY()))
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setPopupVisible(true);
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} |
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/*
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* (non-Javadoc)
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* @see java.awt.event.MouseMotionListener#mouseMoved(java.awt.event.MouseEvent)
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*/
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public void mouseMoved(MouseEvent e) { |
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showToolTipText = !popMenu.isShowing(); |
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} |
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/**
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* Devuelve si esta visible siempre
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* @return the showMenuAlways
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*/
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public boolean isShowMenuAlways() { |
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return showMenuAlways;
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} |
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/**
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* Especifica si el menu se ha de visualizar siempre o solo cuando haya mas de
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* un item
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* @param showMenuAlways the showMenuAlways to set
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*/
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public void setShowMenuAlways(boolean showMenuAlways) { |
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this.showMenuAlways = showMenuAlways;
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} |
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public void mouseReleased(MouseEvent e) { |
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} |
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public void mouseClicked(MouseEvent e) {} |
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public void mouseEntered(MouseEvent arg0) {} |
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public void mouseExited(MouseEvent arg0) {} |
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/**
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* @return the alwaysMenuOnClick
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*/
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public boolean isAlwaysMenuOnClick() { |
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return alwaysMenuOnClick;
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} |
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/**
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* @param alwaysMenuOnClick the alwaysMenuOnClick to set
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*/
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public void setAlwaysMenuOnClick(boolean alwaysMenuOnClick) { |
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this.alwaysMenuOnClick = alwaysMenuOnClick;
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} |
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public Object getValue() { |
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return null; |
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} |
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} |