/*******************************************************************************

 * Copyright (c) 2004, 2007 Mylyn project committers and others.

 * All rights reserved. This program and the accompanying materials

 * are made available under the terms of the Eclipse Public License v1.0

 * which accompanies this distribution, and is available at

 * http://www.eclipse.org/legal/epl-v10.html

 *******************************************************************************/

package org.eclipse.mylyn.internal.tasks.ui.wizards;

import org.eclipse.jface.layout.GridDataFactory;

import org.eclipse.jface.layout.GridLayoutFactory;

import org.eclipse.jface.window.Window;

import org.eclipse.swt.SWT;

import org.eclipse.swt.events.MouseAdapter;

import org.eclipse.swt.events.MouseEvent;

import org.eclipse.swt.events.SelectionAdapter;

import org.eclipse.swt.events.SelectionEvent;

import org.eclipse.swt.events.ShellAdapter;

import org.eclipse.swt.events.ShellEvent;

import org.eclipse.swt.graphics.RGB;

import org.eclipse.swt.widgets.Button;

import org.eclipse.swt.widgets.Composite;

import org.eclipse.swt.widgets.Control;

import org.eclipse.swt.widgets.Shell;

/**

 * Popup window for color selection

 * 

 * @author Willian Mitsuda

 */

public class ColorSelectionWindow extends Window {

	private ColorCanvas[] colors;

	public ColorSelectionWindow(Shell shell) {

		super(shell);

		setShellStyle(SWT.BORDER);

	}

	@Override

	protected void configureShell(Shell newShell) {

		super.configureShell(newShell);

		newShell.addShellListener(new ShellAdapter() {

			@Override

			public void shellDeactivated(ShellEvent e) {

				close();

			}

		});

	}

	@Override

	protected Control createContents(Composite parent) {

		Composite colorComposite = new Composite(parent, SWT.NONE);

		colorComposite.setBackground(getShell().getDisplay().getSystemColor(SWT.COLOR_BLACK));

		colorComposite.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());

		colorComposite.setLayout(GridLayoutFactory.fillDefaults().numColumns(8).spacing(1, 1).margins(1, 1).equalWidth(

				true).create());

		// EGA classic palette

		colors = new ColorCanvas[16];

		colors[0] = createColorCanvas(colorComposite, new RGB(0, 0, 0));

		colors[1] = createColorCanvas(colorComposite, new RGB(0, 0, 170));

		colors[2] = createColorCanvas(colorComposite, new RGB(0, 170, 0));

		colors[3] = createColorCanvas(colorComposite, new RGB(0, 170, 170));

		colors[4] = createColorCanvas(colorComposite, new RGB(170, 0, 0));

		colors[5] = createColorCanvas(colorComposite, new RGB(170, 0, 170));

		colors[6] = createColorCanvas(colorComposite, new RGB(170, 85, 0));

		colors[7] = createColorCanvas(colorComposite, new RGB(170, 170, 170));

		colors[8] = createColorCanvas(colorComposite, new RGB(85, 85, 85));

		colors[9] = createColorCanvas(colorComposite, new RGB(85, 85, 255));

		colors[10] = createColorCanvas(colorComposite, new RGB(85, 255, 85));

		colors[11] = createColorCanvas(colorComposite, new RGB(85, 255, 255));

		colors[12] = createColorCanvas(colorComposite, new RGB(255, 85, 85));

		colors[13] = createColorCanvas(colorComposite, new RGB(255, 85, 255));

		colors[14] = createColorCanvas(colorComposite, new RGB(255, 255, 85));

		colors[15] = createColorCanvas(colorComposite, new RGB(255, 255, 255));

		Button closeButton = new Button(parent, SWT.PUSH);

		closeButton.setText("&Close");

		closeButton.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());

		closeButton.addSelectionListener(new SelectionAdapter() {

			@Override

			public void widgetSelected(SelectionEvent e) {

				close();

			}

		});

		return parent;

	}

	private ColorCanvas createColorCanvas(Composite parent, RGB rgb) {

		final ColorCanvas canvas = new ColorCanvas(parent, SWT.NONE, rgb);

		canvas.setLayoutData(GridDataFactory.fillDefaults().hint(16, 16).create());

		canvas.addMouseListener(new MouseAdapter() {

			@Override

			public void mouseDown(MouseEvent e) {

				selectedRGB = canvas.getRGB();

				close();

			}

		});

		return canvas;

	}

	private RGB selectedRGB;

	public RGB getSelectedRGB() {

		return selectedRGB;

	}

}

/*******************************************************************************

 * Copyright (c) 2004, 2007 Mylyn project committers and others.

 * All rights reserved. This program and the accompanying materials

 * are made available under the terms of the Eclipse Public License v1.0

 * which accompanies this distribution, and is available at

 * http://www.eclipse.org/legal/epl-v10.html

 *******************************************************************************/

package org.eclipse.mylyn.internal.tasks.ui.wizards;

import org.eclipse.swt.events.DisposeEvent;

import org.eclipse.swt.events.DisposeListener;

import org.eclipse.swt.events.PaintEvent;

import org.eclipse.swt.events.PaintListener;

import org.eclipse.swt.graphics.Color;

import org.eclipse.swt.graphics.RGB;

import org.eclipse.swt.widgets.Canvas;

import org.eclipse.swt.widgets.Composite;

/**

 * A tiny control just for color display

 * 

 * @author Willian Mitsuda

 */

public class ColorCanvas extends Canvas {

	private Color color;

	public ColorCanvas(Composite parent, int style, RGB rgb) {

		super(parent, style);

		color = new Color(parent.getDisplay(), rgb);

		addPaintListener(new PaintListener() {

			public void paintControl(PaintEvent e) {

				e.gc.setBackground(color);

				e.gc.fillRectangle(getClientArea());

			}

		});

		addDisposeListener(new DisposeListener() {

			public void widgetDisposed(DisposeEvent e) {

				color.dispose();

			}

		});

	}

	public RGB getRGB() {

		return color.getRGB();

	}

}

/*******************************************************************************

 * Copyright (c) 2004, 2007 Mylyn project committers and others.

 * All rights reserved. This program and the accompanying materials

 * are made available under the terms of the Eclipse Public License v1.0

 * which accompanies this distribution, and is available at

 * http://www.eclipse.org/legal/epl-v10.html

 *******************************************************************************/

package org.eclipse.mylyn.internal.tasks.ui.wizards;

import org.eclipse.swt.graphics.Image;

/**

 * Something capable of creating {@link Image images}

 * 

 * @author Willian Mitsuda

 */

public interface IImageCreator {

	/**

	 * Creates a {@link Image} object it represents; the caller is responsible for disposing the returned {@link Image}

	 */

	public Image createImage();

}