/*
* $Id: ToolArgument.java,v 1.6 2006/05/30 09:13:00 blowagie Exp $
* $Name: $
*
* Copyright 2005 by Bruno Lowagie.
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (the "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the "GNU LIBRARY GENERAL PUBLIC LICENSE"), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
* details.
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
package com.lowagie.tools.arguments;
import java.awt.Color;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.beans.PropertyChangeEvent;
import java.beans.PropertyChangeListener;
import java.io.File;
import java.util.Vector;
import javax.swing.JColorChooser;
import javax.swing.JFileChooser;
import javax.swing.JOptionPane;
import com.lowagie.text.Image;
import com.lowagie.tools.plugins.AbstractTool;
/**
* This is an argument of one of the tools in the toolbox.
*/
public class ToolArgument
implements ActionListener, PropertyChangeListener {
/** reference to the internal frame */
protected AbstractTool tool;
/** describes the argument. */
protected String description;
/** short name for the argument. */
protected String name;
/** type of the argument. */
protected String classname;
/** value of the argument. */
protected String value = null;
/** Constructs a ToolArgument. */
public ToolArgument() {}
/**
* Constructs a ToolArgument.
* @param tool the tool that needs this argument
* @param name the name of the argument
* @param description the description of the argument
* @param classname the type of the argument
*/
public ToolArgument(AbstractTool tool, String name, String description,
String classname) {
this.tool = tool;
this.name = name;
this.description = description;
this.classname = classname;
}
/**
* Gets the argument as an object.
* @return an object
* @throws InstantiationException
*/
public Object getArgument() throws InstantiationException {
if (value == null) {
return null;
}
try {
if (String.class.getName().equals(classname)) {
return value;
}
if (Image.class.getName().equals(classname)) {
return Image.getInstance(value);
}
if (File.class.getName().equals(classname)) {
return new File(value);
}
if (Color.class.getName().equals(classname)) {
return Color.decode(value);
}
}
catch (Exception e) {
throw new InstantiationException(e.getMessage());
}
return value;
}
/**
* @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
*/
public void actionPerformed(ActionEvent e) {
if (String.class.getName().equals(classname)) {
setValue(JOptionPane.showInputDialog(tool.getInternalFrame(),
"Enter a value for " + name + ":"));
}
if (Image.class.getName().equals(classname)) {
JFileChooser fc = new JFileChooser();
fc.showOpenDialog(tool.getInternalFrame());
setValue(fc.getSelectedFile().getAbsolutePath());
}
if (File.class.getName().equals(classname)) {
JFileChooser fc = new JFileChooser();
fc.showOpenDialog(tool.getInternalFrame());
setValue(fc.getSelectedFile().getAbsolutePath());
}
if (Color.class.getName().equals(classname)) {
Color initialColor = new Color(0xFF, 0xFF, 0xFF);
if (value != null) {
initialColor = Color.decode(value);
}
Color newColor = JColorChooser.showDialog(tool.getInternalFrame(),
"Choose Color", initialColor);
setValue("0x" +
Integer.toHexString( (newColor.getRed() << 16) |
(newColor.getGreen() << 8) |
(newColor.getBlue() << 0)).toUpperCase());
}
}
/**
* Give you a String that can be used in a usage description.
* @return a String
*/
public String getUsage() {
StringBuffer buf = new StringBuffer(" ");
buf.append(name);
buf.append(" - ");
buf.append(description);
buf.append("\n");
return buf.toString();
}
/**
* @return Returns the classname.
*/
public String getClassname() {
return classname;
}
/**
* @param classname The classname to set.
*/
public void setClassname(String classname) {
this.classname = classname;
}
/**
* @return Returns the description.
*/
public String getDescription() {
return description;
}
/**
* @param description The description to set.
*/
public void setDescription(String description) {
this.description = description;
}
/**
* @return Returns the name.
*/
public String getName() {
return name;
}
/**
* @param name The name to set.
*/
public void setName(String name) {
this.name = name;
}
/**
* @return Returns the value.
*/
public String getValue() {
return value;
}
/**
* @param value The value to set.
*/
public void setValue(String value) {
Object oldvalue = this.value;
this.value = value;
tool.valueHasChanged(this);
this.firePropertyChange(new PropertyChangeEvent(this, name,
oldvalue, this.value));
}
public void setValue(String value, String propertyname) {
Object oldvalue = this.value;
this.value = value;
tool.valueHasChanged(this);
this.firePropertyChange(new PropertyChangeEvent(this, propertyname,
oldvalue, this.value));
}
transient Vector propertyChangeListeners;
public synchronized void addPropertyChangeListener(PropertyChangeListener l) {
Vector v = propertyChangeListeners == null ? new Vector(2) :
(Vector) propertyChangeListeners.clone();
if (!v.contains(l)) {
v.addElement(l);
propertyChangeListeners = v;
}
}
public synchronized void removePropertyChangeListener(PropertyChangeListener
l) {
if (propertyChangeListeners != null && propertyChangeListeners.contains(l)) {
Vector v = (Vector) propertyChangeListeners.clone();
v.removeElement(l);
propertyChangeListeners = v;
}
}
protected void firePropertyChange(PropertyChangeEvent evt) {
if (propertyChangeListeners != null) {
Vector listeners = propertyChangeListeners;
int count = listeners.size();
for (int i = 0; i < count; i++) {
( (PropertyChangeListener) listeners.elementAt(i)).propertyChange(evt);
}
}
}
/**
* This method gets called when a bound property is changed.
*
* @param evt A PropertyChangeEvent object describing the event source and the property that has
* changed.
* @todo Implement this java.beans.PropertyChangeListener method
*/
public void propertyChange(PropertyChangeEvent evt) {
}
}