/*
 * @(#)SugiyamaLayoutSettings.java 1.0 12-JUL-2004
 * 
 * Copyright (c) 2004, Gaudenz Alder
 * Copyright (c) 2004, Nicholas Sushkin
 * All rights reserved. 
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * - Redistributions of source code must retain the above copyright notice,
 *   this list of conditions and the following disclaimer.
 * - 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.
 * - Neither the name of JGraph 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.
 */
package org.jgraph.layout;

import java.awt.GridLayout;

import javax.swing.JCheckBox;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JTextField;


/**
 * A Dialog for configuring a SugiyamaLayoutAlgorithm.
 * You can use horizontal and vertical spacing.<br>
 * <br>
 * Will be shown by the SugiyamaLayoutController.<br>
 *<br>
 *<br>
 * @author Gaudenz Alder<br>
 * @version 1.0 init
 */
public class SugiyamaLayoutSettings extends JPanel implements JGraphLayoutSettings {

	protected SugiyamaLayoutAlgorithm layout;
	
    private JTextField verticalSpacingTextField = new JTextField(),
					   horizontalSpacingTextField = new JTextField();

    private JCheckBox 	verticalDirectionCheckBox = new JCheckBox(),
    					flushToOriginCheckBox = new JCheckBox();

    /**
     * Creates new form SugiyamaLayoutConfigurationDialog
     */
    public SugiyamaLayoutSettings(SugiyamaLayoutAlgorithm layout) {
    	this.layout = layout;
        JPanel jPanel1 = new javax.swing.JPanel(new GridLayout(4, 2, 5, 0));

        JLabel label = new JLabel("Horizontal Spacing");
        label.setToolTipText("Sets horizontal spacing of the layout grid");
        label.setLabelFor(horizontalSpacingTextField);
        label.setDisplayedMnemonic('h');
        jPanel1.add(label);
        jPanel1.add(horizontalSpacingTextField);

        label = new JLabel("Vertical Spacing");
        label.setToolTipText("Sets vertical spacing of the layout grid");
        label.setLabelFor(verticalSpacingTextField);
        label.setDisplayedMnemonic('v');
        jPanel1.add(label);
        jPanel1.add(verticalSpacingTextField);

        label = new JLabel("Vertical Orientation");
        label.setToolTipText("Check to set vertical (top-down) orientation of the layout. Uncheck for horizontal (left-right)");
        label.setLabelFor(verticalDirectionCheckBox);
        label.setDisplayedMnemonic('o');
        jPanel1.add(label);
        jPanel1.add(verticalDirectionCheckBox);

        label = new JLabel("Flush to Origin");
        label.setToolTipText("Check to flush the graph to the canvas origin");
        label.setLabelFor(flushToOriginCheckBox);
        label.setDisplayedMnemonic('f');
        jPanel1.add(label);
        jPanel1.add(flushToOriginCheckBox);

        add(jPanel1, java.awt.BorderLayout.CENTER);
        revert();
    }
    
    public void revert() {
    	horizontalSpacingTextField.setText(String.valueOf(layout.getSpacing().x));
    	verticalSpacingTextField.setText(String.valueOf(layout.getSpacing().y));
        verticalDirectionCheckBox.setSelected(layout.isVertical());
        flushToOriginCheckBox.setSelected(layout.getFlushToOrigin());
    }
    
	/**
	 * Implementation.
	 */
	public void apply() {
		check();
		layout.setSpacing(new java.awt.Point(Integer.parseInt(getIndention()), Integer.parseInt(getVerticalSpacing())));
        layout.setVertical(getVerticalDirection());
        layout.setFlushToOrigin(getFlushToOrigin());
	}
    
    private void check() {
        try {
            Integer.parseInt(horizontalSpacingTextField.getText());
            Integer.parseInt(verticalSpacingTextField.getText());
        } catch (Exception e) {
            throw new IllegalArgumentException(e.getMessage());
        }
    }
	
    /**
     * Returns the value of the "Horizontal spacing" as text.
     */
    public String getIndention() {
        return horizontalSpacingTextField.getText().trim();
    }
    /**
     * Set the value of the "Horizontal spacing" text field.
     */
    public void setIndention(String text) {
        horizontalSpacingTextField.setText(text);
    }
    
    /**
     * Returns the value of the "Vertical spacing" as text.
     */
    public String getVerticalSpacing() {
        return verticalSpacingTextField.getText().trim();
    }
        
    /**
     * Set the value of the "Vertical Spacing" text field.
     */
    public void setVerticalSpacing(String text) {
        verticalSpacingTextField.setText(text);
    }

    /**
     * Returns the value of the "Vertical Direction" check box
     */
    public boolean getVerticalDirection() 
    {
        return verticalDirectionCheckBox.isSelected();
    }

    /**
     * Sets the value of the "Vertical Direction" check box
     */
    public void setVerticalDirection(boolean vertical) 
    {
        verticalDirectionCheckBox.setSelected(vertical);
    }
    
    public boolean getFlushToOrigin()
    {
        return flushToOriginCheckBox.isSelected();
    }

    public void setFlushToOrigin(boolean flushToOrigin)
    {
        flushToOriginCheckBox.setSelected(flushToOrigin);
    }
	 
}