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/*
* $Id: OptionArgument.java 3271 2008-04-18 20:39:42Z xlv $
* Copyright (c) 2005-2007 Bruno Lowagie, Carsten Hammer
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* This class was originally published under the MPL by Bruno Lowagie
* and Carsten Hammer.
* It was a part of iText, a Java-PDF library. You can now use it under
* the MIT License; for backward compatibility you can also use it under
* the MPL version 1.1: http://www.mozilla.org/MPL/
* A copy of the MPL license is bundled with the source code FYI.
*/
package com.lowagie.toolbox.arguments;
import java.awt.event.ActionEvent;
import java.util.TreeMap;
import javax.swing.JComboBox;
import javax.swing.JOptionPane;
import com.lowagie.toolbox.AbstractTool;
/**
* Argument that can be one of several options.
* @since 2.1.1 (imported from itexttoolbox project)
*/
public class OptionArgument extends AbstractArgument {
/**
* An Entry that can be chosen as option.
*/
public class Entry {
/** Describes the option. */
private Object description;
/** Holds the actual value of the option. */
private Object value;
/**
* Constructs an entry.
* @param value the value of the entry (that will be identical to the description)
*/
public Entry(Object value) {
this.value = value;
this.description = value;
}
/**
* Constructs an entry.
* @param description the description of the entry
* @param value the value of the entry
*/
public Entry(Object description, Object value) {
this.description = description;
this.value = value;
}
/**
* String representation of the Entry.
* @return a description of the entry
*/
public String toString() {
return description.toString();
}
/**
* Gets the value of the String.
* @return the toString of the value
*/
public String getValueToString() {
return value.toString();
}
/**
* @return Returns the description.
*/
public Object getDescription() {
return description;
}
/**
* @param description The description to set.
*/
public void setDescription(Object description) {
this.description = description;
}
/**
* @return Returns the value.
*/
public Object getValue() {
return value;
}
/**
* @param value The value to set.
*/
public void setValue(Object value) {
this.value = value;
}
}
private TreeMap options = new TreeMap<>();
/**
* Constructs an OptionArgument.
* @param tool the tool that needs this argument
* @param name the name of the argument
* @param description the description of the argument
*/
public OptionArgument(AbstractTool tool, String name, String description) {
super(tool, name, description, null);
// this.setClassname(new Entry("").getClass().getName());
}
/**
* Adds an Option.
* @param description the description of the option
* @param value the value of the option
*/
public void addOption(Object description, Object value) {
options.put(value.toString(), new Entry(description, value));
}
/**
* Gets the argument as an object.
* @return an object
* @throws InstantiationException if the specified key cannot be compared with the keys currently in the map
*/
public Object getArgument() throws InstantiationException {
if (value == null) {
return null;
}
try {
return options.get(value).getValue();
} catch (Exception e) {
throw new InstantiationException(e.getMessage());
}
}
/**
*
* @see com.lowagie.toolbox.arguments.StringArgument#getUsage()
* @return String
*/
public String getUsage() {
StringBuilder buf = new StringBuilder(super.getUsage());
buf.append(" possible options:\n");
for (Entry entry: options.values()) {
buf.append(" - ");
buf.append(entry.getValueToString());
buf.append(": ");
buf.append(entry.toString());
buf.append('\n');
}
return buf.toString();
}
/**
*
* @see java.awt.event.ActionListener#actionPerformed(java.awt.event.ActionEvent)
* @param evt ActionEvent
*/
public void actionPerformed(ActionEvent evt) {
Object[] message = new Object[2];
message[0] = "Choose one of the following options:";
JComboBox cb = new JComboBox<>();
for (Entry entry: options.values()) {
cb.addItem(entry);
}
message[1] = cb;
int result = JOptionPane.showOptionDialog(
tool.getInternalFrame(),
message,
description,
JOptionPane.OK_CANCEL_OPTION,
JOptionPane.QUESTION_MESSAGE,
null,
null,
null
);
if (result == 0) {
Entry entry = (Entry) cb.getSelectedItem();
setValue(entry.getValueToString());
}
}
}
