simpleinternalframe.java

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/*
 * Copyright (c) 2003 JGoodies Karsten Lentzsch. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without 
 * modification, are permitted provided that the following conditions are met:
 * 
 *  o Redistributions of source code must retain the above copyright notice, 
 *    this list of conditions and the following disclaimer. 
 *     
 *  o 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. 
 *     
 *  o Neither the name of JGoodies Karsten Lentzsch nor the names of 
 *    its contributors may be used to endorse or promote products derived 
 *    from this software without specific prior written permission. 
 *     
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "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 COPYRIGHT OWNER OR 
 * CONTRIBUTORS 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. 
 */

/*
 * Source code changes (c) 2005 beck et al. projects
 */

package org.flexdock.demos.maximizing;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.LayoutManager;
import java.awt.Paint;
import java.awt.event.MouseListener;

import javax.swing.BorderFactory;
import javax.swing.Icon;
import javax.swing.JComponent;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JToolBar;
import javax.swing.SwingConstants;
import javax.swing.UIManager;
import javax.swing.border.AbstractBorder;

import com.jgoodies.looks.LookUtils;

/**
 * A lightweight component derived from JPanel that features certain subcomponents
 * that make it look similar to a frame or internal frame. It shows a titlebar above
 * its content component. The title bar has an
 * optional icon on the left, a title text and an optional toolbar on the right.
 */
public class SimpleInternalFrame extends JPanel {

    private JLabel titleLabel;
    private GradientPanel gradientPanel;
    private JPanel headerPanel;
    private boolean isSelected;

    // Instance Creation ****************************************************

    /**
     * Constructs a <code>SimpleInternalFrame</code> with an empty title.
     * 
     * @param title the initial title
     */    
    public SimpleInternalFrame() {
        this(null, "", null, null);
    }
        
    /**
     * Constructs a <code>SimpleInternalFrame</code> with the specified title.
     * 
     * @param title the initial title
     */
    public SimpleInternalFrame(String title) {
        this(null, title, null, null);
    }

    /**
     * Constructs a <code>SimpleInternalFrame</code> with the specified icon, and title.
     * 
     * @param icon the initial icon
     * @param title the initial title
     */
    public SimpleInternalFrame(Icon icon, String title) {
        this(icon, title, null, null);
    }

    /**
     * Constructs a <code>SimpleInternalFrame</code> with the specified title, tool bar, and content panel.
     * 
     * @param title the initial title
     * @param bar the initial tool bar
     * @param content the initial content pane
     */
    public SimpleInternalFrame(String title, JToolBar bar, JComponent content) {
        this(null, title, bar, content);
    }

    /**
     * Constructs a <code>SimpleInternalFrame</code> with the specified icon, title, tool bar, and content
     * panel.
     * 
     * @param icon the initial icon
     * @param title the initial title
     * @param bar the initial tool bar
     * @param content the initial content pane
     */
    public SimpleInternalFrame(Icon icon, String title, JToolBar bar, JComponent content) {
        super(new BorderLayout());
        this.isSelected = false;
        this.titleLabel = new JLabel(title, icon, SwingConstants.LEADING);
        JPanel top = buildHeader(titleLabel, bar);

        add(top, BorderLayout.NORTH);
        if (content != null) {
            setContent(content);
        }
        setBorder(new ShadowBorder());
        setSelected(true);
        updateHeader();
        
    }

    // Public API ***********************************************************

    /**
     * Returns the frame's icon.
     * 
     * @return the frame's icon
     */
    public Icon getFrameIcon() {
        return titleLabel.getIcon();
    }

    /**
     * Sets a new frame icon.
     * 
     * @param newIcon the icon to be set
     */
    public void setFrameIcon(Icon newIcon) {
        Icon oldIcon = getFrameIcon();
        titleLabel.setIcon(newIcon);
        firePropertyChange("frameIcon", oldIcon, newIcon);
    }

    /**
     * Returns the frame's title text.
     * 
     * @return String the current title text
     */
    public String getTitle() {
        return titleLabel.getText();
    }

    /**
     * Sets a new title text.
     * 
     * @param newText the title text tp be set
     */
    public void setTitle(String newText) {
        String oldText = getTitle();
        titleLabel.setText(newText);
        firePropertyChange("title", oldText, newText);
    }

    /**
     * Returns the current toolbar, null if none has been set before.
     * 
     * @return the current toolbar - if any
     */
    public JToolBar getToolBar() {
        return headerPanel.getComponentCount() > 1 ? (JToolBar) headerPanel.getComponent(1) : null;
    }

    /**
     * Sets a new tool bar in the header.
     * 
     * @param newToolBar the tool bar to be set in the header
     */
    public void setToolBar(JToolBar newToolBar) {
        JToolBar oldToolBar = getToolBar();
        if (oldToolBar == newToolBar) {
            return;
        }
        if (oldToolBar != null) {
            headerPanel.remove(oldToolBar);
        }
        if (newToolBar != null) {
            newToolBar.setBorder(BorderFactory.createEmptyBorder(0, 0, 0, 0));
            headerPanel.add(newToolBar, BorderLayout.EAST);
        }
        updateHeader();
        firePropertyChange("toolBar", oldToolBar, newToolBar);
    }

    /**
     * Returns the content - null, if none has been set.
     * 
     * @return the current content
     */
    public Component getContent() {
        return hasContent() ? getComponent(1) : null;
    }

    /**
     * Sets a new panel content; replaces any existing content, if existing.
     * 
     * @param newContent the panel's new content
     */