svn-gvsig-desktop / trunk / libraries / libIverUtiles / src / com / iver / utiles / console / JConsole.java @ 1836
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/*
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* Created on 31-ene-2005
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*
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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,
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USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package com.iver.utiles.console; |
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import java.awt.BorderLayout; |
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import java.awt.event.KeyEvent; |
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import java.util.ArrayList; |
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import javax.swing.JPanel; |
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import javax.swing.JScrollPane; |
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import javax.swing.JTextArea; |
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import javax.swing.event.CaretEvent; |
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import javax.swing.event.CaretListener; |
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/**
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* DOCUMENT ME!
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*
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* @author Fernando Gonz?lez Cort?s
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*/
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public class JConsole extends JPanel { |
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private JTextArea txt = null; |
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private int startingCaretPosition = 0; |
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private ArrayList entries = new ArrayList(); |
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private int currentEntry = -1; |
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private JScrollPane jScrollPane = null; |
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private ResponseListenerSupport listenerSupport = new ResponseListenerSupport(); |
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/**
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* This is the default constructor
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*/
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public JConsole() {
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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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private void initialize() { |
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this.setLayout(new BorderLayout()); |
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this.setSize(300, 200); |
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this.add(getJScrollPane(), java.awt.BorderLayout.CENTER);
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} |
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/**
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* Obtiene una referencia al JTextArea de la consola
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*
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* @return javax.swing.JTextArea
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*/
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public JTextArea getTxt() { |
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if (txt == null) { |
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txt = new JTextArea(); |
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txt.addCaretListener(new CaretListener() { |
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public void caretUpdate(CaretEvent e) { |
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if (txt.getCaretPosition() < startingCaretPosition) {
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if (startingCaretPosition <= txt.getText().length()) {
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txt.setCaretPosition(startingCaretPosition); |
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} |
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} |
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} |
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}); |
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txt.addKeyListener(new java.awt.event.KeyAdapter() {
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public void keyPressed(KeyEvent e) { |
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if (e.getKeyCode() == KeyEvent.VK_BACK_SPACE) { |
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if (startingCaretPosition >= txt.getCaretPosition()) {
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int caretPos = txt.getCaretPosition();
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String text = txt.getText();
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text = text.substring(0, caretPos) + " " + |
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text.substring(caretPos); |
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txt.setText(text); |
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txt.setCaretPosition(caretPos); |
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} |
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} |
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} |
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public void keyReleased(KeyEvent e) { |
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if (e.getKeyCode() == KeyEvent.VK_ENTER) { |
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String texto = txt.getText();
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String response = texto.substring(startingCaretPosition);
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listenerSupport.callAcceptResponse(response); |
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if (response.trim().length() > 0) { |
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entries.add(response.trim()); |
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} |
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currentEntry = -1;
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} else if (e.getKeyCode() == KeyEvent.VK_UP) { |
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if (entries.size() == 0) { |
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return;
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} |
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if (currentEntry == -1) { |
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currentEntry = entries.size() - 1;
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} else {
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currentEntry--; |
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if (currentEntry < 0) { |
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currentEntry = 0;
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} |
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} |
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putEntry(); |
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} else if (e.getKeyCode() == KeyEvent.VK_DOWN) { |
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if (entries.size() == 0) { |
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return;
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} |
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if (currentEntry != -1) { |
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currentEntry++; |
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if (currentEntry >= entries.size()) {
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currentEntry = entries.size() - 1;
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} |
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} |
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putEntry(); |
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} else if (e.getKeyCode() == KeyEvent.VK_ESCAPE) { |
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txt.setText(txt.getText()); |
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listenerSupport.callAcceptResponse(null);
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} |
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} |
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private void putEntry() { |
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String anterior = txt.getText();
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anterior = anterior.substring(0, startingCaretPosition);
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txt.setText(anterior + entries.get(currentEntry)); |
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} |
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}); |
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} |
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return txt;
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} |
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/**
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* A?ade un texto a la consola
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*
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* @param text Texto que se a?ade a la consola
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*/
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public void addText(String text) { |
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txt.setText(txt.getText() + text); |
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txt.setCaretPosition(txt.getText().length()); |
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startingCaretPosition = txt.getText().length(); |
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} |
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/**
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* A?ade un texto a la consola que es tomado como si lo
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* hubiese escrito el usuario. Formar? parte de la respuesta
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*
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* @param text Texto que se a?ade a la consola
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*/
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public void addResponseText(String text) { |
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txt.setText(txt.getText() + text); |
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txt.setCaretPosition(txt.getText().length()); |
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} |
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/**
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* This method initializes jScrollPane
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*
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* @return javax.swing.JScrollPane
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*/
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private JScrollPane getJScrollPane() { |
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if (jScrollPane == null) { |
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jScrollPane = new JScrollPane(); |
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jScrollPane.setViewportView(getTxt()); |
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} |
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return jScrollPane;
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} |
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public void addResponseListener(ResponseListener listener) { |
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listenerSupport.addResponseListener(listener); |
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} |
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public void removeResponseListener(ResponseListener listener) { |
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listenerSupport.removeResponseListener(listener); |
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} |
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} |