svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.ui / src / main / java / org / gvsig / gui / beans / swing / JIncrementalNumberField.java @ 40561
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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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 3
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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., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.gui.beans.swing; |
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import java.awt.BasicStroke; |
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import java.awt.BorderLayout; |
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import java.awt.Color; |
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import java.awt.Component; |
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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.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.MouseEvent; |
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import java.awt.event.MouseListener; |
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import java.util.ArrayList; |
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import java.util.Arrays; |
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import java.util.EventListener; |
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import java.util.Iterator; |
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import java.util.Timer; |
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import java.util.TimerTask; |
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import javax.swing.BorderFactory; |
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import javax.swing.Icon; |
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import javax.swing.JButton; |
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import javax.swing.JPanel; |
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import javax.swing.SwingConstants; |
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import org.gvsig.gui.beans.Messages; |
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import org.gvsig.gui.beans.swing.ValidatingTextField.Cleaner; |
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import org.gvsig.gui.beans.swing.ValidatingTextField.Validator; |
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/**
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* This class represents a JTextField-like component that allows to input numbers
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* and featuring a built-in increment or decrease of the number using the mouse.
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* @author jaume dominguez faus - jaume.dominguez@iver.es
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*/
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public class JIncrementalNumberField extends JPanel { |
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private static final long serialVersionUID = 5225633490545230468L; |
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private boolean acceptsDoubles; |
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private ValidatingTextField vtf;
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private double step; |
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private double maxValue; |
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private double minValue; |
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private ActionListener propage = new ActionListener() { |
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public void actionPerformed(ActionEvent e) { |
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if (!isEnabled()) return; |
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if (acceptsDoubles) {
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double v = getDouble();
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if (v>maxValue)
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v = maxValue; |
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if (v<minValue)
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v = minValue; |
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setDouble(v); |
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} else {
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int v = getInteger();
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if (v>maxValue)
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v = (int) maxValue;
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if (v<minValue)
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v = (int) minValue;
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setInteger(v); |
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} |
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fireActionPerformed(e); |
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} |
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}; |
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private FocusListener propageFocus = new FocusListener() { |
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public void focusGained(FocusEvent e) { |
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if (!isEnabled()) return; |
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Iterator<FocusListener> iter = Arrays.asList(JIncrementalNumberField.this.getFocusListeners()).iterator(); |
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e.setSource(JIncrementalNumberField.this); |
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while (iter.hasNext()){
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iter.next().focusGained(e); |
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} |
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} |
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public void focusLost(FocusEvent e) { |
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if (!isEnabled()) return; |
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if (acceptsDoubles) {
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double v = getDouble();
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if (v>maxValue)
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v = maxValue; |
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if (v<minValue)
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v = minValue; |
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setDouble(v); |
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} else {
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int v = getInteger();
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if (v>maxValue)
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v = (int) maxValue;
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if (v<minValue)
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v = (int) minValue;
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setInteger(v); |
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} |
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Iterator<FocusListener> iter = Arrays.asList(JIncrementalNumberField.this.getFocusListeners()).iterator(); |
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e.setSource(JIncrementalNumberField.this); |
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while (iter.hasNext()){
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iter.next().focusLost(e); |
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} |
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} |
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}; |
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private ActionListener accum = new ActionListener() { |
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public void actionPerformed(ActionEvent e) { |
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if (!isEnabled()) return; |
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String command = e.getActionCommand();
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if ("UP".equals(command)) { |
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if (acceptsDoubles) {
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double v = getDouble() + step;
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if (v>maxValue)
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v = maxValue; |
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setDouble(v); |
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} else {
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int v = getInteger() + (int) Math.round(step); |
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if (v>maxValue)
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v = (int) maxValue;
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setInteger(v); |
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} |
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} else if ("DOWN".equals(command)) { |
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if (acceptsDoubles) {
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double v = getDouble();// - step; |
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v = v - step; |
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if (v<minValue)
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v = minValue; |
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setDouble(v); |
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} else {
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int v = getInteger() - (int) Math.round(step); |
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if (v<minValue)
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v = (int) minValue;
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setInteger(v); |
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} |
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} |
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fireActionPerformed(); |
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} |
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}; |
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private JButton down; |
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private JButton up; |
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private ArrayList<EventListener> listeners = new ArrayList<EventListener>(); |
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private class MousePressedTask extends TimerTask { |
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private MouseEvent e; |
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private ButtonMouseListener ml;
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private MousePressedTask(ButtonMouseListener ml, MouseEvent e){ |
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super();
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this.ml = ml;
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this.e = e;
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} |
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public void run() { |
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JButton b = (JButton) e.getComponent(); |
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long time = System.currentTimeMillis(); |
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long delay = 200; |
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while (ml.pressed) {
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if (ml.in) {
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accum.actionPerformed(new ActionEvent(b, 12431, b.getActionCommand())); |
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long currTime = System.currentTimeMillis(); |
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if (delay > 5 && ((currTime - time) > 1000)) { |
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delay /= 2;
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time = currTime; |
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} |
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} else time = System.currentTimeMillis(); |
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try {
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Thread.sleep(delay);
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} catch (InterruptedException e1) { |
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e.consume(); |
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} |
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} |
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e.consume(); |
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} |
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} |
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private class ButtonMouseListener implements MouseListener{ |
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boolean in = false; |
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boolean pressed = false; |
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public void mouseClicked(MouseEvent e) { /* nothing (managed by the ActionListener) */ } |
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public void mouseEntered(MouseEvent e) { |
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in = true;
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} |
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public void mouseExited(MouseEvent e) { |
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in = false;
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} |
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public void mousePressed(MouseEvent e) { |
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MousePressedTask task; |
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synchronized (this) { |
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pressed = true;
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Timer timer = new Timer(); |
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task = new MousePressedTask(this, e); |
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timer.schedule(task, 500);
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} |
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if (!pressed) {
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task.cancel(); |
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} |
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} |
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public void mouseReleased(MouseEvent e) { |
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pressed = false;
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} |
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}; |
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public JIncrementalNumberField() {
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this(""); |
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} |
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public JIncrementalNumberField(String text) { |
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this(text, 7); |
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} |
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public JIncrementalNumberField(String text, int columns) { |
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this(text, columns, ValidatingTextField.DOUBLE_VALIDATOR, ValidatingTextField.NUMBER_CLEANER_2_DECIMALS, -Double.MAX_VALUE, Double.MAX_VALUE, 1); |
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} |
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public JIncrementalNumberField(String text, int columns, double minValue, double maxValue, double step) { |
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this(text, columns, ValidatingTextField.DOUBLE_VALIDATOR, ValidatingTextField.NUMBER_CLEANER_2_DECIMALS, minValue, maxValue, step);
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} |
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public JIncrementalNumberField(String text, int columns, Validator validator, Cleaner cleaner, double minValue, double maxValue, double step) { |
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super();
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if (text == null) text = ""; |
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this.minValue = minValue;
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this.maxValue = maxValue;
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this.step = step;
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acceptsDoubles = validator.getClass().equals(ValidatingTextField.DOUBLE_VALIDATOR.getClass()); |
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JPanel lateralButtons = new JPanel(); |
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Icon upIcon = new Icon() { |
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public int getIconHeight() { |
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return 5; |
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} |
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public int getIconWidth() { |
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return 9; |
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} |
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public void paintIcon(Component c, Graphics g, int x, int y) { |
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g.setColor( isEnabled() ? Color.DARK_GRAY : Color.RED); |
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((Graphics2D) g).setStroke(new BasicStroke(2)); |
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g.drawLine(isEnabled() ? 3 : 1, |
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isEnabled() ? 6 : 4, |
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isEnabled() ? 5 : 3, |
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isEnabled() ? 3 : 1); |
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g.drawLine(isEnabled() ? 5 : 3, |
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isEnabled() ? 3 : 1, |
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isEnabled() ? 8 : 6, |
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isEnabled() ? 6 : 4); |
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} |
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}; |
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Icon downIcon = new Icon() { |
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public int getIconHeight() { |
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return 5; |
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} |
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public int getIconWidth() { |
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return 9; |
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} |
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public void paintIcon(Component c, Graphics g, int x, int y) { |
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g.setColor(isEnabled() ? Color.DARK_GRAY : Color.RED); |
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((Graphics2D) g).setStroke(new BasicStroke(2)); |
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g.drawLine(isEnabled() ? 3 : 1, |
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isEnabled() ? 3 : 1, |
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isEnabled() ? 5 : 3, |
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isEnabled() ? 6 : 4); |
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g.drawLine(isEnabled() ? 5 : 3, |
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isEnabled() ? 6 : 4, |
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isEnabled() ? 8 : 6, |
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isEnabled() ? 3 : 1); |
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} |
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}; |
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up = new JButton(upIcon); |
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up.setActionCommand("UP");
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up.addActionListener(accum); |
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up.addMouseListener(new ButtonMouseListener());
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up.setBounds(0, 0, 11, 11); |
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up.setFocusable(false);
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down = new JButton(downIcon); |
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down.setActionCommand("DOWN");
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down.addActionListener(accum); |
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down.addMouseListener(new ButtonMouseListener());
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down.setBounds(0, 11, 11, 11); |
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down.setFocusable(false);
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lateralButtons.setLayout(null);
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lateralButtons.setSize(13, 20); |
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lateralButtons.add(up); |
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lateralButtons.add(down); |
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lateralButtons.setSize(new Dimension(11, 22)); |
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lateralButtons.setPreferredSize(new Dimension(11, 22)); |
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lateralButtons.setBorder(BorderFactory.createLineBorder(Color.GREEN)); |
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vtf = new ValidatingTextField(
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text, |
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columns, |
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SwingConstants.RIGHT,
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validator, |
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cleaner) ; |
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setLayout(new BorderLayout(0, 0)); |
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vtf.addActionListener(propage); |
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vtf.addFocusListener(propageFocus); |
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add(vtf, BorderLayout.CENTER);
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add(lateralButtons, BorderLayout.EAST);
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} |
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public int getInteger() { |
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return vtf.getInteger();
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} |
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public double getDouble() { |
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if (!acceptsDoubles)
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throw new Error(Messages.getText( |
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"cannot_get_double_value_from_an_integer_number_field_use_getInteger()_instead"));
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return vtf.getDouble();
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} |
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public void setDouble(double v) { |
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if (!acceptsDoubles)
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throw new Error(Messages.getText( |
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"cannot_set_a_double_value_from_an_integer_number_field_use_setInteger(int)_instead"));
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vtf.setText(String.valueOf(v));
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} |
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public void setInteger(int v) { |
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vtf.setText(String.valueOf(v));
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} |
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public void addActionListener(ActionListener l) { |
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// vtf.addActionListener(l);
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listeners.add(l); |
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} |
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public void removeActionListener(ActionListener l) { |
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// vtf.removeActionListener(l);
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listeners.remove(l); |
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} |
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private void fireActionPerformed() { |
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ActionEvent evt = new ActionEvent(this, 0, null); |
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for (int i = 0; i < listeners.size(); i++) { |
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((ActionListener) listeners.get(i)).actionPerformed(evt);
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} |
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} |
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private void fireActionPerformed(ActionEvent e) { |
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e.setSource(this);
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for (int i = 0; i < listeners.size(); i++) { |
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((ActionListener) listeners.get(i)).actionPerformed(e);
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} |
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} |
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public double getMaxValue() { |
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return maxValue;
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} |
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public void setMaxValue(double maxValue) { |
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this.maxValue = maxValue;
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} |
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public double getMinValue() { |
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return minValue;
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} |
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public void setMinValue(double minValue) { |
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this.minValue = minValue;
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} |
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public double getStep() { |
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return step;
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} |
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public void setStep(double step) { |
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this.step = step;
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} |
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public void setEnabled(boolean enabled) { |
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super.setEnabled(enabled);
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up.setEnabled(enabled); |
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down.setEnabled(enabled); |
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vtf.setEnabled(enabled); |
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} |
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} |