X-Git-Url: http://secure.phpeclipse.com

diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/preferences/ColorEditor.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/preferences/ColorEditor.java
new file mode 100644
index 0000000..a4c4761
--- /dev/null
+++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/preferences/ColorEditor.java
@@ -0,0 +1,126 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials 
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ * 
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ *******************************************************************************/
+package net.sourceforge.phpdt.internal.ui.preferences;
+
+import org.eclipse.jface.resource.JFaceResources;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.DisposeEvent;
+import org.eclipse.swt.events.DisposeListener;
+import org.eclipse.swt.events.SelectionAdapter;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.graphics.Font;
+import org.eclipse.swt.graphics.GC;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.graphics.RGB;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.ColorDialog;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Display;
+
+/**
+ * A "button" of a certain color determined by the color picker.
+ */
+public class ColorEditor {
+
+	private Point fExtent;
+
+	private Image fImage;
+
+	private RGB fColorValue;
+
+	private Color fColor;
+
+	private Button fButton;
+
+	public ColorEditor(Composite parent) {
+
+		fButton = new Button(parent, SWT.PUSH);
+		fExtent = computeImageSize(parent);
+		fImage = new Image(parent.getDisplay(), fExtent.x, fExtent.y);
+
+		GC gc = new GC(fImage);
+		gc.setBackground(fButton.getBackground());
+		gc.fillRectangle(0, 0, fExtent.x, fExtent.y);
+		gc.dispose();
+
+		fButton.setImage(fImage);
+		fButton.addSelectionListener(new SelectionAdapter() {
+			public void widgetSelected(SelectionEvent event) {
+				ColorDialog colorDialog = new ColorDialog(fButton.getShell());
+				colorDialog.setRGB(fColorValue);
+				RGB newColor = colorDialog.open();
+				if (newColor != null) {
+					fColorValue = newColor;
+					updateColorImage();
+				}
+			}
+		});
+
+		fButton.addDisposeListener(new DisposeListener() {
+			public void widgetDisposed(DisposeEvent event) {
+				if (fImage != null) {
+					fImage.dispose();
+					fImage = null;
+				}
+				if (fColor != null) {
+					fColor.dispose();
+					fColor = null;
+				}
+			}
+		});
+	}
+
+	public RGB getColorValue() {
+		return fColorValue;
+	}
+
+	public void setColorValue(RGB rgb) {
+		fColorValue = rgb;
+		updateColorImage();
+	}
+
+	public Button getButton() {
+		return fButton;
+	}
+
+	protected void updateColorImage() {
+
+		Display display = fButton.getDisplay();
+
+		GC gc = new GC(fImage);
+		gc.setForeground(display.getSystemColor(SWT.COLOR_BLACK));
+		gc.drawRectangle(0, 2, fExtent.x - 1, fExtent.y - 4);
+
+		if (fColor != null)
+			fColor.dispose();
+
+		fColor = new Color(display, fColorValue);
+		gc.setBackground(fColor);
+		gc.fillRectangle(1, 3, fExtent.x - 2, fExtent.y - 5);
+		gc.dispose();
+
+		fButton.setImage(fImage);
+	}
+
+	protected Point computeImageSize(Control window) {
+		GC gc = new GC(window);
+		Font f = JFaceResources.getFontRegistry().get(
+				JFaceResources.DEFAULT_FONT);
+		gc.setFont(f);
+		int height = gc.getFontMetrics().getHeight();
+		gc.dispose();
+		Point p = new Point(height * 3 - 6, height);
+		return p;
+	}
+}