svn-gvsig-desktop / tags / v1_1_Build_1014 / libraries / libCq_CMS_praster / src / org / cresques / ui / BrightnessContrast / SliderTextPanel.java @ 13593
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*/
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package org.cresques.ui.BrightnessContrast; |
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import java.awt.GridBagConstraints; |
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import java.awt.GridBagLayout; |
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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 javax.swing.JLabel; |
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import javax.swing.JPanel; |
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import javax.swing.JSlider; |
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import javax.swing.JTextField; |
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import javax.swing.event.ChangeEvent; |
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import javax.swing.event.ChangeListener; |
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import java.awt.FlowLayout; |
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/**
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* Clase base para un componente con un slider y un campo de texto.
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* Contiene una etiqueta entre el slider y el campo de texto en la que se
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* pueden poner las unidades en las que se cuantifica el valor.
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* @author Miguel ?ngel Querol Carratal? <querol_mig@gva.es>
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*
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*/
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public class SliderTextPanel extends JPanel implements ChangeListener, FocusListener, ActionListener{ |
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private int wComp = 180, hComp = 50; |
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private int wSlider = wComp - 85, hSlider = 16; |
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private JPanel pName = null; |
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private JPanel pSliderText = null; |
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private JSlider jSlider = null; |
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private JTextField jTextField = null; |
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private JLabel lPercent = null; |
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private boolean decimal = false; |
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/**
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* This is the default constructor
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*/
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public SliderTextPanel() {
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super();
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initialize(); |
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} |
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/**
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* This method initializes this
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*
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* @return void
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*/
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private void initialize() { |
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GridBagConstraints gridBagConstraints1 = new GridBagConstraints(); |
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gridBagConstraints1.gridx = 0;
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gridBagConstraints1.gridy = 1;
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GridBagConstraints gridBagConstraints = new GridBagConstraints(); |
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gridBagConstraints.gridx = 0;
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gridBagConstraints.gridy = 0;
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this.setLayout(new GridBagLayout()); |
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this.setSize(wComp, hComp);
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this.setPreferredSize(new java.awt.Dimension(wComp, hComp)); |
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this.add(getJPanel(), gridBagConstraints);
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this.add(getJPanel1(), gridBagConstraints1);
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this.getJSlider().addChangeListener(this); |
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this.getJTextField().addFocusListener(this); |
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this.getJTextField().addActionListener(this); |
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} |
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/**
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* This method initializes jPanel
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*
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* @return javax.swing.JPanel
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*/
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protected JPanel getJPanel() { |
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if (pName == null) { |
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FlowLayout flowLayout = new FlowLayout(); |
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flowLayout.setAlignment(java.awt.FlowLayout.LEFT); |
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pName = new JPanel(); |
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pName.setLayout(flowLayout); |
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pName.setPreferredSize(new java.awt.Dimension(wComp,22)); |
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} |
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return pName;
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} |
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/**
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* This method initializes jPanel1
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*
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* @return javax.swing.JPanel
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*/
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private JPanel getJPanel1() { |
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if (pSliderText == null) { |
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GridBagConstraints gridBagConstraints6 = new GridBagConstraints(); |
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gridBagConstraints6.gridx = 1;
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gridBagConstraints6.gridy = 0;
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lPercent = new JLabel(); |
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lPercent.setText("");
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GridBagConstraints gridBagConstraints5 = new GridBagConstraints(); |
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gridBagConstraints5.gridx = 1;
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gridBagConstraints5.gridy = 0;
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GridBagConstraints gridBagConstraints4 = new GridBagConstraints(); |
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gridBagConstraints4.fill = java.awt.GridBagConstraints.HORIZONTAL; |
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gridBagConstraints4.gridy = 0;
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gridBagConstraints4.weightx = 1.0;
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gridBagConstraints4.insets = new java.awt.Insets(0,6,0,6); |
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gridBagConstraints4.gridx = 2;
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GridBagConstraints gridBagConstraints3 = new GridBagConstraints(); |
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gridBagConstraints3.gridx = 1;
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gridBagConstraints3.gridy = 0;
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GridBagConstraints gridBagConstraints2 = new GridBagConstraints(); |
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gridBagConstraints2.fill = java.awt.GridBagConstraints.HORIZONTAL; |
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gridBagConstraints2.gridy = 0;
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gridBagConstraints2.weightx = 1.0;
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gridBagConstraints2.gridx = 0;
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pSliderText = new JPanel(); |
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pSliderText.setLayout(new GridBagLayout()); |
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pSliderText.setPreferredSize(new java.awt.Dimension(wComp,23)); |
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pSliderText.add(getJSlider(), gridBagConstraints2); |
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pSliderText.add(getJTextField(), gridBagConstraints4); |
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pSliderText.add(lPercent, gridBagConstraints6); |
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} |
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return pSliderText;
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} |
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/**
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* This method initializes jSlider
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*
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* @return javax.swing.JSlider
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*/
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public JSlider getJSlider() { |
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if (jSlider == null) { |
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jSlider = new JSlider(); |
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jSlider.setPreferredSize(new java.awt.Dimension(wSlider, hSlider));
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} |
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return jSlider;
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} |
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/**
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* This method initializes jTextField
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*
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* @return javax.swing.JTextField
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*/
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public JTextField getJTextField() { |
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if (jTextField == null) { |
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jTextField = new JTextField(); |
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jTextField.setPreferredSize(new java.awt.Dimension(20,17)); |
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jTextField.setComponentOrientation(java.awt.ComponentOrientation.LEFT_TO_RIGHT); |
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jTextField.setText(String.valueOf(this.getJSlider().getValue())); |
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} |
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return jTextField;
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} |
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/**
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* Ajusta los tama?os de todos los componentes a partir de un tama?o asignado
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* para la clase.
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* @param w
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* @param h
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*/
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public void setComponentSize(int w, int h){ |
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wComp = w; hComp = 50;
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wSlider = wComp - 85; hSlider = 16; |
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this.setSize(wComp, hComp);
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this.setPreferredSize(new java.awt.Dimension(wComp, hComp)); |
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pName.setPreferredSize(new java.awt.Dimension(wComp,22)); |
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pSliderText.setPreferredSize(new java.awt.Dimension(wComp,23)); |
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jSlider.setPreferredSize(new java.awt.Dimension(wSlider, hSlider));
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} |
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/**
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* Pone una cadena con el tipo de unidad del cuadro de texto entre el slider
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* y el TextField.
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* @param cadena a poner entre el slider y el cudro de texto.
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*/
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protected void setUnitText(String unit){ |
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lPercent.setText(unit); |
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} |
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/**
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* Activa o desactiva el control del panel
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* @param active
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*/
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public void setControlEnabled(boolean active){ |
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this.jSlider.setEnabled(active);
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this.jTextField.setEnabled(active);
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this.lPercent.setEnabled(active);
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if(active == false){ |
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this.jTextField.setForeground(this.getBackground()); |
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}else{
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this.jTextField.setForeground(java.awt.Color.black);
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} |
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} |
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/**
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* Ponel el slider al valor que le pasamos
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* @param value
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*/
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public void setSliderValue(int value){ |
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jSlider.setValue(value); |
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} |
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/**
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* Pone en el campo de texto a la derecha del slider el valor que le pasamos
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* como parametro
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* @param value: valor que aparecera en el campo de texto.
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*/
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public void setTextValue(String value){ |
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this.getJTextField().setText(value);
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} |
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/**
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* Devuelve el valor actual del campo de texto
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* @return: valor del campo de texto.
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*/
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public String getTextValue(){ |
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return this.jTextField.getText(); |
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} |
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public void stateChanged(ChangeEvent e) { |
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if(e.getSource() == this.jSlider){ |
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if(decimal == true) |
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this.jTextField.setText(String.valueOf(this.jSlider.getValue()) + ".0"); |
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if(decimal == false) |
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this.jTextField.setText(String.valueOf(this.jSlider.getValue())); |
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} |
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} |
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/**
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* Da el rango de valores en el que se mover? el slider
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* @param min
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* @param max
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*/
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public void setSliderRange(int min, int max){ |
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this.jSlider.setMaximum(max);
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this.jSlider.setMinimum(min);
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} |
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public void checkRangeText(){ |
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int valor = Math.round(Float.parseFloat(this.getJTextField().getText())); |
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if((valor > this.getJSlider().getMaximum())){ |
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if(decimal == true) |
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this.setTextValue(String.valueOf(this.getJSlider().getMaximum()) + ".0"); |
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if(decimal == false) |
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this.setTextValue(String.valueOf(this.getJSlider().getMaximum())); |
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this.setSliderValue(this.getJSlider().getMaximum()); |
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} |
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if((valor < this.getJSlider().getMinimum())){ |
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if(decimal == true) |
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this.setTextValue(String.valueOf(this.getJSlider().getMinimum()) + ".0"); |
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if(decimal == false) |
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this.setTextValue(String.valueOf(this.getJSlider().getMinimum())); |
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this.setSliderValue(this.getJSlider().getMinimum()); |
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} |
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} |
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public void focusGained(FocusEvent e) { |
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// TODO Auto-generated method stub
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} |
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public void focusLost(FocusEvent e) { |
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if(e.getSource() == this.jTextField){ |
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checkTailText(); |
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checkRangeText(); |
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} |
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} |
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public void actionPerformed(ActionEvent e) { |
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if(e.getSource() == this.jTextField){ |
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checkTailText(); |
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checkRangeText(); |
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} |
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} |
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/**
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* Controla que si el formato introducido en el textfield
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* de Recorte de colas es numerico se actualiza la posici?n del
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* slider
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*/
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private void checkTailText() { |
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String text = getJTextField().getText();
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double value = 0; |
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try {
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if (!text.equals("")) |
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value = (Double.parseDouble(text) * 100) / 50; |
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value = Double.valueOf(text).doubleValue();
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getJSlider().setValue((int) Math.round(value)); |
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getJTextField().setText(text); |
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} catch (NumberFormatException exc) { |
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System.err.println("Formato no numerico"); |
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if(decimal == true) |
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getJTextField().setText("0.0");
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else
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getJTextField().setText("0");
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getJSlider().setValue(0);
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} |
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} |
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public void setDecimal (boolean dec){ |
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decimal = dec; |
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} |
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} |