| /******************************************************************************* |
| * Copyright (c) 2001, 2004 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.wst.xsd.ui.internal.graph.figures; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.draw2d.IFigure; |
| import org.eclipse.draw2d.geometry.Rectangle; |
| |
| |
| // ------------------------------ |
| // | GraphNodeFigure | |
| // | | |
| // | ------------------------- | |
| // | | vertical group | | |
| // | | --------------------- | | |
| // | | | outlined area | | | |
| // | | | ----------------- | | | |
| // | | | | icon area | | | | |
| // | | | ----------------- | | | |
| // | | | ----------------- | | | |
| // | | | | inner content | | | | |
| // | | | ----------------- | | | |
| // | | --------------------- | | |
| // | ------------------------- | |
| // ------------------------------ |
| |
| public class GraphNodeFigure extends ContainerFigure |
| { |
| protected ContainerFigure verticalGroup; |
| protected ContainerFigure outlinedArea; |
| protected ContainerFigure iconArea; |
| protected ContainerFigure innerContentArea; |
| |
| protected boolean isConnected; |
| protected boolean isIsolated; |
| |
| protected List childGraphNodeFigures = new ArrayList(); |
| protected GraphNodeFigure parentGraphNodeFigure; |
| |
| public GraphNodeFigure() |
| { |
| isIsolated = false; |
| createFigure(); |
| } |
| |
| public boolean isExpanded() |
| { |
| return true; |
| } |
| |
| public boolean isConnected() |
| { |
| return isConnected; |
| } |
| |
| public void setConnected(boolean isConnected) |
| { |
| this.isConnected = isConnected; |
| } |
| |
| public void setIsIsolated(boolean isIsolated) |
| { |
| this.isIsolated = isIsolated; |
| } |
| |
| public boolean getIsIsolated() |
| { |
| return isIsolated; |
| } |
| |
| protected void createFigure() |
| { |
| createVerticalGroup(this); |
| createOutlinedArea(verticalGroup); |
| } |
| |
| protected void createVerticalGroup(IFigure parent) |
| { |
| verticalGroup = new ContainerFigure(); |
| verticalGroup.getContainerLayout().setHorizontal(false); |
| parent.add(verticalGroup); |
| } |
| |
| protected void createOutlinedArea(IFigure parent) |
| { |
| outlinedArea = new ContainerFigure(); |
| outlinedArea.getContainerLayout().setHorizontal(false); |
| parent.add(outlinedArea); |
| |
| iconArea = new ContainerFigure(); |
| outlinedArea.add(iconArea); |
| |
| innerContentArea = new ContainerFigure(); |
| innerContentArea.getContainerLayout().setHorizontal(false); |
| outlinedArea.add(innerContentArea); |
| } |
| |
| public ContainerFigure getIconArea() |
| { |
| return iconArea; |
| } |
| |
| public ContainerFigure getOutlinedArea() |
| { |
| return outlinedArea; |
| } |
| |
| public ContainerFigure getInnerContentArea() |
| { |
| return innerContentArea; |
| } |
| |
| public IFigure getConnectionFigure() |
| { |
| return outlinedArea; |
| } |
| |
| public Rectangle getConnectionRectangle() |
| { |
| return outlinedArea.getBounds(); |
| } |
| |
| public List getChildGraphNodeFigures() |
| { |
| return childGraphNodeFigures; |
| } |
| |
| public void addNotify() |
| { |
| super.addNotify(); |
| if (isConnected()) |
| { |
| parentGraphNodeFigure = computeParentGraphNodeFigure(this); |
| if (parentGraphNodeFigure != null) |
| { |
| parentGraphNodeFigure.getChildGraphNodeFigures().add(this); |
| } |
| } |
| } |
| |
| public void removeNotify() |
| { |
| super.removeNotify(); |
| if (parentGraphNodeFigure != null) |
| { |
| parentGraphNodeFigure.getChildGraphNodeFigures().remove(this); |
| } |
| } |
| |
| public GraphNodeFigure getParentGraphNodeFigure() |
| { |
| return parentGraphNodeFigure; |
| } |
| |
| public GraphNodeFigure computeParentGraphNodeFigure(IFigure figure) |
| { |
| GraphNodeFigure result = null; |
| IFigure parent = figure != null ? figure.getParent() : null; |
| while (parent != null) |
| { |
| if (parent instanceof GraphNodeFigure) |
| { |
| GraphNodeFigure parentGraphNodeFigure = (GraphNodeFigure)parent; |
| if (parentGraphNodeFigure.isConnected()) |
| { |
| result = (GraphNodeFigure)parent; |
| break; |
| } |
| } |
| parent = parent.getParent(); |
| } |
| return result; |
| } |
| } |