org.antlr.stringtemplate.misc.JTreeStringTemplatePanel Maven / Gradle / Ivy

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StringTemplate is a java template engine for generating source code, web pages, emails, or any other formatted text output. StringTemplate is particularly good at multi-targeted code generators, multiple site skins, and internationalization/localization. It evolved over years of effort developing jGuru.com. StringTemplate also generates the stringtemplate website: http://www.stringtemplate.org and powers the ANTLR v3 code generator. Its distinguishing characteristic is that unlike other engines, it strictly enforces model-view separation. Strict separation makes websites and code generators more flexible and maintainable; it also provides an excellent defense against malicious template authors. There are currently about 600 StringTemplate source downloads a month.

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/*
 [Adapted from BSD licence]
 Copyright (c) 2003-2005 Terence Parr
 All rights reserved.

 Redistribution and use in source and binary forms, with or without
 modification, are permitted provided that the following conditions
 are met:
 1. Redistributions of source code must retain the above copyright
    notice, this list of conditions and the following disclaimer.
 2. Redistributions in binary form must reproduce the above copyright
    notice, this list of conditions and the following disclaimer in the
    documentation and/or other materials provided with the distribution.
 3. The name of the author may not be used to endorse or promote products
    derived from this software without specific prior written permission.

 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/

package org.antlr.stringtemplate.misc;

import java.awt.*;
import javax.swing.*;
import javax.swing.tree.*;
import javax.swing.event.*;

public class JTreeStringTemplatePanel extends JPanel {
    JTree tree;

    public JTreeStringTemplatePanel(TreeModel tm, TreeSelectionListener listener) {
        // use a layout that will stretch tree to panel size
        setLayout(new BorderLayout());

        // Create tree
        tree = new JTree(tm);

        // Change line style
        tree.putClientProperty("JTree.lineStyle", "Angled");

        // Add TreeSelectionListener
        if (listener != null)
            tree.addTreeSelectionListener(listener);

        // Put tree in a scrollable pane's viewport
        JScrollPane sp = new JScrollPane();
        sp.getViewport().add(tree);

        add(sp, BorderLayout.CENTER);
    }
}