X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.utils.ui%2Fsrc%2Forg%2Fsimantics%2Futils%2Fui%2Fcolor%2FColorComposite.java;fp=bundles%2Forg.simantics.utils.ui%2Fsrc%2Forg%2Fsimantics%2Futils%2Fui%2Fcolor%2FColorComposite.java;h=bae10b93586e926a5e33e6ca20b87cda1fb5de3e;hp=0000000000000000000000000000000000000000;hb=969bd23cab98a79ca9101af33334000879fb60c5;hpb=866dba5cd5a3929bbeae85991796acb212338a08

diff --git a/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/color/ColorComposite.java b/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/color/ColorComposite.java
new file mode 100644
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+++ b/bundles/org.simantics.utils.ui/src/org/simantics/utils/ui/color/ColorComposite.java
@@ -0,0 +1,191 @@
+/*******************************************************************************
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management
+ * in Industry THTH ry.
+ * 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
+ *
+ * Contributors:
+ *     VTT Technical Research Centre of Finland - initial API and implementation
+ *******************************************************************************/
+package org.simantics.utils.ui.color;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.MouseEvent;
+import org.eclipse.swt.events.MouseListener;
+import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Canvas;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Text;
+
+/**
+ * 
+ * Widget to edit colors
+ * 
+ * @author Marko Luukkainen
+ *
+ */
+public class ColorComposite extends Composite{
+	
+	
+	private Color color = new Color(255,255,255);
+	private ColorGradient rGradient;
+	private ColorGradient gGradient;
+	private ColorGradient bGradient;
+	private ColorGradient colorGradient;
+	
+	Text rText;
+	Text gText;
+	Text bText;
+	ColorGradientCanvas rCanvas;
+	ColorGradientCanvas gCanvas;
+	ColorGradientCanvas bCanvas;
+	ColorGradientCanvas colorCanvas;
+	
+	
+	public ColorComposite(Composite parent, int style) {
+		super(parent,style);
+		updateGradients();
+		
+		GridLayout layout = new GridLayout();
+		layout.makeColumnsEqualWidth = false;
+		layout.numColumns = 3;
+		this.setLayout(layout);
+		
+		colorCanvas = new ColorGradientCanvas(this,SWT.BORDER|SWT.HORIZONTAL);
+		GridData colorCanvasData = new GridData();
+		colorCanvasData.horizontalSpan = 3;
+		colorCanvasData.heightHint = 32;
+		colorCanvasData.widthHint = 600;
+		colorCanvasData.grabExcessHorizontalSpace = true;
+		colorCanvas.setLayoutData(colorCanvasData);
+		
+		//layout data used with labels
+		GridData labelData = new GridData();
+		labelData.widthHint = 30;
+		//layout data used with gradients
+		GridData gradientData = new GridData();
+		gradientData.grabExcessHorizontalSpace = true;
+		gradientData.heightHint = 16;
+		gradientData.widthHint = 500;
+		//layout data used with texts
+		GridData textData = new GridData();
+		textData.widthHint = 30;
+		
+		
+		//Composite rComposite = new Composite(this,SWT.NONE);
+		//Layout rLayout = new FillLayout(SWT.HORIZONTAL);
+		//rComposite.setLayout(rLayout);
+		Label rLabel = new Label(this,SWT.NONE);
+		rLabel.setText("Red");
+		rLabel.setLayoutData(labelData);
+		rCanvas = new ColorGradientCanvas(this,SWT.BORDER|SWT.HORIZONTAL);
+		rCanvas.setLayoutData(gradientData);
+		rText = new Text(this,SWT.BORDER);
+		rText.setLayoutData(textData);
+		rCanvas.addMouseListener(new ColorSelectListener(rCanvas) {
+			void setValue(int value) {
+				Color newColor = new Color(value,color.getG(),color.getB());
+				updateColor(newColor);
+			};
+		});
+		
+		//Composite gComposite = new Composite(this,SWT.NONE);
+		//Layout gLayout = new FillLayout(SWT.HORIZONTAL);
+		//gComposite.setLayout(gLayout);
+		Label gLabel = new Label(this,SWT.NONE);
+		gLabel.setText("Green");
+		gLabel.setLayoutData(labelData);
+		gCanvas = new ColorGradientCanvas(this,SWT.BORDER|SWT.HORIZONTAL);
+		gCanvas.setLayoutData(gradientData);
+		gText = new Text(this,SWT.BORDER);
+		gText.setLayoutData(textData);
+		gCanvas.addMouseListener(new ColorSelectListener(gCanvas) {
+			void setValue(int value) {
+				Color newColor = new Color(color.getR(),value,color.getB());
+				updateColor(newColor);
+			};
+		});
+		
+		//Composite bComposite = new Composite(this,SWT.NONE);
+		//Layout bLayout = new FillLayout(SWT.HORIZONTAL);
+		//bComposite.setLayout(bLayout);
+		Label bLabel = new Label(this,SWT.NONE);
+		bLabel.setText("Blue");
+		bLabel.setLayoutData(labelData);
+		bCanvas = new ColorGradientCanvas(this,SWT.BORDER|SWT.HORIZONTAL);
+		bCanvas.setLayoutData(gradientData);
+		bText = new Text(this,SWT.BORDER);
+		bText.setLayoutData(textData);
+		bCanvas.addMouseListener(new ColorSelectListener(bCanvas) {
+			void setValue(int value) {
+				Color newColor = new Color(color.getR(),color.getG(),value);
+				updateColor(newColor);
+			};
+		});
+		updateWidgets();
+		
+	}
+	
+	private abstract class ColorSelectListener implements MouseListener {
+		private Canvas canvas;
+		
+		public ColorSelectListener(Canvas canvas) {
+			this.canvas = canvas;
+		}
+		public void mouseDoubleClick(MouseEvent e) {
+						
+		}
+		public void mouseDown(MouseEvent e) {
+			Rectangle r = this.canvas.getBounds();
+			double d = (double)e.x / (double)r.width;
+			int value = (int)(d * 255);
+			if (value < 0)
+				value = 0;
+			if (value > 255)
+				value = 255;
+			setValue(value);
+			
+		}
+		public void mouseUp(MouseEvent e) {
+			
+		}
+		
+		abstract void setValue(int value);
+	}
+	
+	private void updateColor(Color color) {
+		this.color = color;
+		updateWidgets();
+	}
+	
+	private void updateGradients() {
+		rGradient = new ColorGradient(new ColorValue[]{
+					new ColorValue(new Color(0,color.getG(),color.getB()),0.0),
+					new ColorValue(new Color(255,color.getG(),color.getB()),1.0)});
+		gGradient = new ColorGradient(new ColorValue[]{
+				new ColorValue(new Color(color.getR(),0,color.getB()),0.0),
+				new ColorValue(new Color(color.getR(),255,color.getB()),1.0)});
+		bGradient = new ColorGradient(new ColorValue[]{
+				new ColorValue(new Color(color.getR(),color.getG(),0),0.0),
+				new ColorValue(new Color(color.getR(),color.getG(),255),1.0)});
+		colorGradient = new ColorGradient(new ColorValue[]{
+				new ColorValue(new Color(color.getR(),color.getG(),color.getB()),0.0)});
+	
+	}
+	
+	private void updateWidgets() {
+		updateGradients();
+		rCanvas.setGradient(rGradient);
+		gCanvas.setGradient(gGradient);
+		bCanvas.setGradient(bGradient);
+		colorCanvas.setGradient(colorGradient);
+		rText.setText(Integer.toString(color.getR()));
+		gText.setText(Integer.toString(color.getG()));
+		bText.setText(Integer.toString(color.getB()));	
+	}
+}