root / trunk / libraries / libUIComponent / src / org / gvsig / gui / beans / slidertext / SliderTextContainer.java @ 12153
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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.slidertext; |
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import java.awt.BorderLayout; |
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import java.awt.Dimension; |
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import java.awt.GridBagConstraints; |
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import java.awt.GridBagLayout; |
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import java.awt.event.KeyListener; |
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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.ChangeListener; |
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import org.gvsig.gui.beans.slidertext.listeners.SliderTextListener; |
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/**
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* Barra de deslizamiento con una ventana de texto que tiene el valor de la
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* posici?n de la barra. En este control podr? controlarse mediante la entrada
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* de datos por la caja de texto la posibilidad de introducir valores decimales.
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*
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* Nacho Brodin (nachobrodin@gmail.com)
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*/
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public class SliderTextContainer extends JPanel { |
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private static final long serialVersionUID = 1876415954410511634L; |
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private JPanel pText = null; |
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private JSlider slider = null; |
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private JTextField text = null; |
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private int min = 0; |
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private int max = 255; |
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private double interval = 1.0; |
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private int defaultPos = 0; |
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protected SliderTextListener listener = null; |
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private boolean decimal = false; |
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/**
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* Contructor
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* @param min Valor m?nimo de la barra
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* @param max Valor m?ximo de la barra
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* @param defaultPos Posici?n por defecto
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*/
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public SliderTextContainer(int min, int max, int defaultPos) { |
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super();
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this.min = min;
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this.max = max;
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this.defaultPos = defaultPos;
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initialize(); |
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} |
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/**
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* Constructor vacio
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*/
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public SliderTextContainer() {
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this(0, 100, 0); |
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} |
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/**
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* A?ade un ChangeListener al panel. El m?todo stateChanged del listener registrado
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* ser? ejecutado cuando se accione el slider.
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* @param l
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*/
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public void addChangeListener(ChangeListener l) { |
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listener.changeListenerList.add(l); |
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} |
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/**
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* A?ade un ChangeListener al panel. El m?todo stateChanged del listener registrado
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* ser? ejecutado cuando se accione el slider.
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* @param l
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*/
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public void addKeyListener(KeyListener l) { |
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listener.keyListenerList.add(l); |
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} |
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/**
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* Asigna un borde al componente con el texto pasado como
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* par?metro
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* @param name
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*/
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public void setBorder(String name){ |
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setBorder(javax.swing.BorderFactory.createTitledBorder(null, name, javax.swing.border.TitledBorder.DEFAULT_JUSTIFICATION, javax.swing.border.TitledBorder.DEFAULT_POSITION, null, null)); |
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} |
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/**
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* This method initializes this
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*
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*/
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private void initialize() { |
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listener = new SliderTextListener(this); |
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this.setLayout(new BorderLayout()); |
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this.add(getSlider(), BorderLayout.CENTER); |
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this.add(getPText(), BorderLayout.EAST); |
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this.setBorder(javax.swing.BorderFactory.createLineBorder(java.awt.Color.gray,1)); |
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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 getPText() { |
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if (pText == null) { |
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pText = new JPanel(); |
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GridBagConstraints gridBagConstraints1 = new GridBagConstraints(); |
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gridBagConstraints1.insets = new java.awt.Insets(0, 10, 8, 0); |
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pText.setLayout(new GridBagLayout()); |
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pText.add(getTextField(), gridBagConstraints1); |
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} |
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return pText;
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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 getSlider() { |
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if (slider == null) { |
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slider = new JSlider(); |
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slider.setMinimum(0);
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slider.setMaximum((int) ((max - min) / interval));
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slider.setValue((int) ((defaultPos - min) / interval));
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updateTicks(); |
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slider.addChangeListener(listener); |
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} |
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return slider;
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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 getTextField() { |
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if (text == null) { |
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text = new JTextField(); |
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text.setText(defaultPos + "");
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text.setPreferredSize(new Dimension(40, 26)); |
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text.setMinimumSize(new Dimension(40, 26)); |
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text.addFocusListener(listener); |
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text.addKeyListener(listener); |
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} |
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return text;
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} |
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public void setComponentSize(int w, int h){ |
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} |
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/**
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* Obtiene el valor del control.
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* @return Valor del control en formato double.
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*/
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public double getValue() { |
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return Double.valueOf(getTextField().getText()).doubleValue(); |
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} |
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/**
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* Asigna el valor del control.
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* @return Valor del control en formato double.
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*/
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public void setValue(double value){ |
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if(decimal)
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getTextField().setText(String.valueOf(value));
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else
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getTextField().setText(String.valueOf((int)value)); |
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getSlider().setValue((int) ((value - min) / interval));
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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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getSlider().setEnabled(active); |
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getTextField().setEnabled(active); |
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if (active == false) { |
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getTextField().setBackground(pText.getBackground()); |
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} else {
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getTextField().setBackground(java.awt.Color.white); |
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} |
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} |
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/**
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* Asigna el flag que dice si el valor del campo de texto ser?
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* decimal o entero
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* @param dec true si se admiten valores decimales y false si no se admiten
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*/
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public void setDecimal (boolean dec){ |
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decimal = dec; |
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String s = getTextField().getText();
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if(dec)
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getTextField().setText((s +".0"));
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else{
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int index = s.lastIndexOf("."); |
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if(index == -1 || index == 0) |
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index = s.length() - 1;
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getTextField().setText(s.substring(0, index + 1)); |
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} |
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} |
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/**
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* Obtiene el flag que dice si el valor del campo de texto es
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* decimal o entero
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* @return true si se admiten valores decimales y false si no se admiten
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*/
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public boolean getDecimal (){ |
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return decimal;
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} |
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/**
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* Obtiene el valor m?ximo del slider
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* @return Entero con el valor m?ximo
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*/
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public int getMax() { |
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return max;
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} |
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/**
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* Asigna el valor m?ximo del slider
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* @param Entero con el valor m?ximo
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* @deprecated Usar setMaximum en su lugar
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*/
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public void setMax(int max) { |
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this.setMaximum(max);
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} |
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/**
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* Asigna el valor m?ximo del slider
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* @param Entero con el valor m?ximo
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*/
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public void setMaximum(int max) { |
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this.max = max;
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updateInterval(); |
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} |
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/**
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* Obtiene el valor m?nimo del slider
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* @return Entero con el valor m?nimo
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*/
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public int getMin() { |
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return min;
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} |
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/**
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* Asigna el valor m?nimo del slider
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* @param Entero con el valor m?nimo
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* @deprecated Usar setMinimum
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*/
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public void setMin(int min) { |
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this.setMinimum(min);
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} |
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/**
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* Asigna el valor m?nimo del slider
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* @param Entero con el valor m?nimo
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*/
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public void setMinimum(int min) { |
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this.min = min;
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updateInterval(); |
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} |
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/**
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* Actualizar la separacion entre los Ticks
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*/
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private void updateTicks() { |
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int ticks = (int) ((max-min)/interval) / 40; |
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getSlider().setMajorTickSpacing(ticks * 4);
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slider.setPaintTicks(true);
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getSlider().setMinorTickSpacing(ticks); |
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} |
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private void updateInterval() { |
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double aux = this.getValue(); |
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getSlider().setMinimum(0);
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getSlider().setMaximum((int) ((max - min) / interval));
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setValue(aux); |
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updateTicks(); |
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} |
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/**
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* Definir un intervalo para el slider
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* @param value
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*/
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public void setInterval(double value) { |
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interval = value; |
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updateInterval(); |
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} |
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/**
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* Obtener el intervalo definido para el slider
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* @return
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*/
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public double getInterval() { |
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return interval;
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} |
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} |