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/*
Wotonomy: OpenStep design patterns for pure Java applications.
Copyright (C) 2000 Blacksmith, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see http://www.gnu.org
*/
package net.wotonomy.ui.swing.components;
import javax.swing.JTextArea;
import javax.swing.LookAndFeel;
import javax.swing.text.Highlighter;
/**
* A custom JTextArea that looks and feels like a JLabel, but supports line
* wrapping. This works a lot more like the IFC label component. NOTE: doesn't
* support icons (yet).
*
* @author michael@mpowers.net
* @author $Author: cgruber $
* @date $Date: 2006-02-18 18:19:05 -0500 (Sat, 18 Feb 2006) $
* @revision $Revision: 904 $
*/
public class MultiLineLabel extends JTextArea {
/**
* Saves a reference to the original highlighter to enable/disable text
* selection.
*/
protected Highlighter originalHighlighter;
/*
* Creates a MultiLineLabel instance with an empty string for the title.
*/
public MultiLineLabel() {
super();
// turn on wrapping and disable editing and highlighting
setLineWrap(true);
setWrapStyleWord(true);
setEditable(false);
setSelectable(false);
}
/*
* Creates a MultiLineLabel instance with the specified text.
*
* @param text The specified text.
*/
public MultiLineLabel(String text) {
super(text);
// turn on wrapping and disable editing and highlighting
setLineWrap(true);
setWrapStyleWord(true);
setEditable(false);
setSelectable(false);
}
/*
* Overridden to look like a label.
*
* @param text The specified text.
*/
public void updateUI() {
// got the implementation idea from usenet
super.updateUI();
// turn on wrapping and disable editing and highlighting
setLineWrap(true);
setWrapStyleWord(true);
setEditable(false);
setSelectable(false);
// Set the text area's border, colors and font to
// that of a label
LookAndFeel.installBorder(this, "Label.border");
LookAndFeel.installColorsAndFont(this, "Label.background", "Label.foreground", "Label.font");
}
/**
* Sets whether text is selectable. Default is non-selectable text.
*/
public void setSelectable(boolean selectable) {
if (selectable) {
setHighlighter(originalHighlighter);
} else {
originalHighlighter = getHighlighter();
setHighlighter(null);
}
}
/**
* Gets whether text is selectable. Default is non-selectable text.
*/
public boolean isSelectable() {
return (getHighlighter() != null);
}
/**
* Overridden to return false.
*/
public boolean isFocusTraversable() {
return false;
}
}
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