| /******************************************************************************* |
| * Copyright (c) 2005, 2012 IBM Corporation 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 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.bpel.ui.editparts.borders; |
| |
| import org.eclipse.bpel.ui.BPELUIPlugin; |
| import org.eclipse.bpel.ui.IBPELUIConstants; |
| import org.eclipse.bpel.ui.editparts.BPELEditPart; |
| import org.eclipse.bpel.ui.util.BPELUtil; |
| import org.eclipse.draw2d.Graphics; |
| import org.eclipse.draw2d.IFigure; |
| import org.eclipse.draw2d.geometry.Insets; |
| import org.eclipse.draw2d.geometry.Rectangle; |
| import org.eclipse.jface.resource.ColorRegistry; |
| import org.eclipse.swt.graphics.Color; |
| |
| |
| /** |
| * A border to be used for GradientFigure |
| * Because the border determines the area that the gradient should be displayed, |
| * it acts as a delegate for drawing the gradient |
| */ |
| public abstract class GradientBorder extends DrawerBorder { |
| |
| private BPELEditPart editPart; |
| private boolean isVertical = false; |
| private int arcWidth = -1; |
| |
| public GradientBorder(boolean isVertical) { |
| this.editPart = null; |
| this.isVertical = isVertical; |
| } |
| |
| public GradientBorder(boolean isVertical, int arcWidth) { |
| this(isVertical); |
| this.arcWidth = arcWidth; |
| } |
| |
| /** |
| * @return the editpart using this border |
| */ |
| public BPELEditPart getEditPart() { |
| return editPart; |
| } |
| |
| public Insets getInsets(IFigure arg0) { |
| return null; |
| } |
| |
| public void paint(IFigure arg0, Graphics arg1, Insets arg2) { |
| } |
| |
| protected Rectangle getGradientRect() { |
| return null; |
| } |
| |
| /** |
| * @param graphics - graphics object |
| */ |
| public void paintGradient(Graphics graphics) { |
| Rectangle rect = getGradientRect(); |
| if (rect == null) |
| return; |
| |
| int fill = 0; |
| if (editPart != null && editPart.getContentPane() != null) |
| fill = BPELUtil.getRepaintFillType(editPart.getContentPane()); |
| |
| Color oldBack = graphics.getBackgroundColor(); |
| Color oldFore = graphics.getForegroundColor(); |
| |
| ColorRegistry registry = BPELUIPlugin.INSTANCE.getColorRegistry(); |
| Color from = registry.get(IBPELUIConstants.COLOR_GRADIENT_FROM); |
| Color to = registry.get(IBPELUIConstants.COLOR_GRADIENT_TO); |
| if (arcWidth == -1) { |
| if (fill == 0 || fill == 2) { |
| graphics.setForegroundColor(from); |
| graphics.setBackgroundColor(to); |
| // } else if (fill == 2) { |
| // graphics.setForegroundColor(to); |
| // graphics.setBackgroundColor(from); |
| } else { |
| graphics.setBackgroundColor(from); |
| graphics.setForegroundColor(from); |
| } |
| graphics.fillGradient(rect, isVertical()); |
| } else { |
| if (fill == 0 || fill == 2) { |
| if (isVertical()) { |
| graphics.setForegroundColor(from); |
| graphics.setBackgroundColor(from); |
| graphics.fillRoundRectangle(new Rectangle(rect.x, rect.y, rect.width, arcWidth * 2), arcWidth, arcWidth); |
| graphics.setForegroundColor(to); |
| graphics.setBackgroundColor(to); |
| graphics.fillRoundRectangle(new Rectangle(rect.x, rect.y + rect.height - arcWidth * 2, rect.width, arcWidth * 2), arcWidth, arcWidth); |
| graphics.setForegroundColor(from); |
| graphics.setBackgroundColor(to); |
| graphics.fillGradient(new Rectangle(rect.x, rect.y + arcWidth, rect.width, rect.height - arcWidth * 2), true); |
| } else { |
| graphics.setForegroundColor(from); |
| graphics.setBackgroundColor(from); |
| graphics.fillRoundRectangle(new Rectangle(rect.x, rect.y, arcWidth * 2, rect.height), arcWidth, arcWidth); |
| graphics.setForegroundColor(to); |
| graphics.setBackgroundColor(to); |
| graphics.fillRoundRectangle(new Rectangle(rect.x + rect.width - arcWidth * 2, rect.y, arcWidth * 2, rect.height), arcWidth, arcWidth); |
| graphics.setForegroundColor(from); |
| graphics.setBackgroundColor(to); |
| graphics.fillGradient(new Rectangle(rect.x + arcWidth, rect.y, rect.width - arcWidth * 2, rect.height), false); |
| } |
| // } else if (fill == 2) { |
| // if (isVertical()) { |
| // graphics.setForegroundColor(to); |
| // graphics.setBackgroundColor(to); |
| // graphics.fillRoundRectangle(new Rectangle(rect.x, rect.y, rect.width, arcWidth * 2), arcWidth, arcWidth); |
| // graphics.setForegroundColor(from); |
| // graphics.setBackgroundColor(from); |
| // graphics.fillRoundRectangle(new Rectangle(rect.x, rect.y + rect.height - arcWidth * 2, rect.width, arcWidth * 2), arcWidth, arcWidth); |
| // graphics.setForegroundColor(to); |
| // graphics.setBackgroundColor(from); |
| // graphics.fillGradient(new Rectangle(rect.x, rect.y + arcWidth, rect.width, rect.height - arcWidth * 2), true); |
| // } else { |
| // graphics.setForegroundColor(to); |
| // graphics.setBackgroundColor(to); |
| // graphics.fillRoundRectangle(new Rectangle(rect.x, rect.y, arcWidth * 2, rect.height), arcWidth, arcWidth); |
| // graphics.setForegroundColor(from); |
| // graphics.setBackgroundColor(from); |
| // graphics.fillRoundRectangle(new Rectangle(rect.x + rect.width - arcWidth * 2, rect.y, arcWidth * 2, rect.height), arcWidth, arcWidth); |
| // graphics.setForegroundColor(to); |
| // graphics.setBackgroundColor(from); |
| // graphics.fillGradient(new Rectangle(rect.x + arcWidth, rect.y, rect.width - arcWidth * 2, rect.height), false); |
| // } |
| } else { |
| graphics.setBackgroundColor(from); |
| graphics.setForegroundColor(from); |
| graphics.fillGradient(rect, isVertical()); |
| } |
| } |
| |
| graphics.setBackgroundColor(oldBack); |
| graphics.setForegroundColor(oldFore); |
| } |
| |
| /** |
| * @param editpart |
| */ |
| public void setEditPart(BPELEditPart editpart) { |
| this.editPart = editpart; |
| } |
| |
| protected boolean isVertical() { |
| return isVertical; |
| } |
| } |