| /******************************************************************************* |
| * Copyright (c) 2000, 2010 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.gef.examples.logicdesigner.figures; |
| |
| import org.eclipse.swt.graphics.Color; |
| import org.eclipse.swt.graphics.Font; |
| |
| import org.eclipse.draw2d.ColorConstants; |
| import org.eclipse.draw2d.Graphics; |
| import org.eclipse.draw2d.IFigure; |
| import org.eclipse.draw2d.geometry.Dimension; |
| import org.eclipse.draw2d.geometry.Insets; |
| import org.eclipse.draw2d.geometry.Point; |
| import org.eclipse.draw2d.geometry.PointList; |
| import org.eclipse.draw2d.geometry.Rectangle; |
| |
| import org.eclipse.gef.handles.HandleBounds; |
| |
| import org.eclipse.gef.examples.logicdesigner.model.LED; |
| |
| /** |
| * @author danlee |
| */ |
| public class LEDFigure extends NodeFigure implements HandleBounds { |
| protected static final Dimension SIZE = new Dimension(61, 47); |
| |
| /** |
| * Color of the shadow around the LEDFigure's display |
| */ |
| public static final Color DISPLAY_SHADOW = new Color(null, 57, 117, 90); |
| |
| /** |
| * Color of the LEDFigure's displayed value |
| */ |
| public static final Color DISPLAY_TEXT = new Color(null, 255, 199, 16); |
| |
| protected static final Font DISPLAY_FONT = new Font(null, "", 19, 0); //$NON-NLS-1$ |
| protected static PointList connector = new PointList(); |
| protected static PointList bottomConnector = new PointList(); |
| protected static Rectangle displayRectangle = new Rectangle(15, 11, 31, 25); |
| protected static Rectangle displayShadow = new Rectangle(14, 10, 32, 26); |
| protected static Rectangle displayHighlight = new Rectangle(15, 11, 32, 26); |
| protected static Point valuePoint = new Point(16, 10); |
| |
| static { |
| connector.addPoint(-2, 0); |
| connector.addPoint(1, 0); |
| connector.addPoint(2, 1); |
| connector.addPoint(2, 5); |
| connector.addPoint(-1, 5); |
| connector.addPoint(-1, 1); |
| |
| bottomConnector.addPoint(-2, 0); |
| bottomConnector.addPoint(1, 0); |
| bottomConnector.addPoint(2, -1); |
| bottomConnector.addPoint(2, -5); |
| bottomConnector.addPoint(-1, -5); |
| bottomConnector.addPoint(-1, -1); |
| } |
| |
| protected static final int[] GAP_CENTERS_X = { 8, 23, 38, 53 }; |
| protected static final int Y1 = 2; |
| protected static final int Y2 = 44; |
| |
| protected String value; |
| |
| /** |
| * @see org.eclipse.draw2d.Figure#setBounds(Rectangle) |
| */ |
| public void setBounds(Rectangle rect) { |
| super.setBounds(rect); |
| } |
| |
| /** |
| * @see org.eclipse.draw2d.Figure#setConstraint(IFigure, Object) |
| */ |
| public void setConstraint(IFigure child, Object constraint) { |
| super.setConstraint(child, constraint); |
| } |
| |
| /** |
| * Creates a new LEDFigure |
| */ |
| public LEDFigure() { |
| FixedConnectionAnchor c; |
| c = new FixedConnectionAnchor(this); |
| c.offsetH = 51; |
| connectionAnchors.put(LED.TERMINAL_1_IN, c); |
| inputConnectionAnchors.addElement(c); |
| c = new FixedConnectionAnchor(this); |
| c.offsetH = 36; |
| connectionAnchors.put(LED.TERMINAL_2_IN, c); |
| inputConnectionAnchors.addElement(c); |
| c = new FixedConnectionAnchor(this); |
| c.offsetH = 21; |
| connectionAnchors.put(LED.TERMINAL_3_IN, c); |
| inputConnectionAnchors.addElement(c); |
| c = new FixedConnectionAnchor(this); |
| c.offsetH = 6; |
| connectionAnchors.put(LED.TERMINAL_4_IN, c); |
| inputConnectionAnchors.addElement(c); |
| c = new FixedConnectionAnchor(this); |
| c.offsetH = 51; |
| c.topDown = false; |
| connectionAnchors.put(LED.TERMINAL_1_OUT, c); |
| outputConnectionAnchors.addElement(c); |
| c = new FixedConnectionAnchor(this); |
| c.offsetH = 36; |
| c.topDown = false; |
| connectionAnchors.put(LED.TERMINAL_2_OUT, c); |
| outputConnectionAnchors.addElement(c); |
| c = new FixedConnectionAnchor(this); |
| c.offsetH = 21; |
| c.topDown = false; |
| connectionAnchors.put(LED.TERMINAL_3_OUT, c); |
| outputConnectionAnchors.addElement(c); |
| c = new FixedConnectionAnchor(this); |
| c.offsetH = 6; |
| c.topDown = false; |
| connectionAnchors.put(LED.TERMINAL_4_OUT, c); |
| outputConnectionAnchors.addElement(c); |
| |
| } |
| |
| /** |
| * @see org.eclipse.gef.handles.HandleBounds#getHandleBounds() |
| */ |
| public Rectangle getHandleBounds() { |
| return getBounds().getCropped(new Insets(2, 0, 2, 0)); |
| } |
| |
| /** |
| * @see org.eclipse.draw2d.Figure#getPreferredSize(int, int) |
| */ |
| public Dimension getPreferredSize(int wHint, int hHint) { |
| return SIZE; |
| } |
| |
| /** |
| * @see org.eclipse.draw2d.Figure#paintFigure(Graphics) |
| */ |
| protected void paintFigure(Graphics g) { |
| Rectangle r = getBounds().getCopy(); |
| g.translate(r.getLocation()); |
| g.setBackgroundColor(LogicColorConstants.logicGreen); |
| g.setForegroundColor(LogicColorConstants.connectorGreen); |
| g.fillRectangle(0, 2, r.width, r.height - 4); |
| int right = r.width - 1; |
| g.drawLine(0, Y1, right, Y1); |
| g.drawLine(0, Y1, 0, Y2); |
| |
| g.setForegroundColor(LogicColorConstants.connectorGreen); |
| g.drawLine(0, Y2, right, Y2); |
| g.drawLine(right, Y1, right, Y2); |
| |
| // Draw the gaps for the connectors |
| g.setForegroundColor(ColorConstants.listBackground); |
| for (int i = 0; i < 4; i++) { |
| g.drawLine(GAP_CENTERS_X[i] - 2, Y1, GAP_CENTERS_X[i] + 3, Y1); |
| g.drawLine(GAP_CENTERS_X[i] - 2, Y2, GAP_CENTERS_X[i] + 3, Y2); |
| } |
| |
| // Draw the connectors |
| g.setForegroundColor(LogicColorConstants.connectorGreen); |
| g.setBackgroundColor(LogicColorConstants.connectorGreen); |
| for (int i = 0; i < 4; i++) { |
| connector.translate(GAP_CENTERS_X[i], 0); |
| g.fillPolygon(connector); |
| g.drawPolygon(connector); |
| connector.translate(-GAP_CENTERS_X[i], 0); |
| |
| bottomConnector.translate(GAP_CENTERS_X[i], r.height - 1); |
| g.fillPolygon(bottomConnector); |
| g.drawPolygon(bottomConnector); |
| bottomConnector.translate(-GAP_CENTERS_X[i], -r.height + 1); |
| } |
| |
| // Draw the display |
| g.setBackgroundColor(LogicColorConstants.logicHighlight); |
| g.fillRectangle(displayHighlight); |
| g.setBackgroundColor(DISPLAY_SHADOW); |
| g.fillRectangle(displayShadow); |
| g.setBackgroundColor(ColorConstants.black); |
| g.fillRectangle(displayRectangle); |
| |
| // Draw the value |
| g.setFont(DISPLAY_FONT); |
| g.setForegroundColor(DISPLAY_TEXT); |
| g.drawText(value, valuePoint); |
| } |
| |
| /** |
| * Sets the value of the LEDFigure to val. |
| * |
| * @param val |
| * The value to set on this LEDFigure |
| */ |
| public void setValue(int val) { |
| String newValue = String.valueOf(val); |
| if (val < 10) |
| newValue = "0" + newValue; //$NON-NLS-1$ |
| if (newValue.equals(value)) |
| return; |
| value = newValue; |
| repaint(); |
| } |
| |
| /** |
| * |
| * @see java.lang.Object#toString() |
| */ |
| public String toString() { |
| return "LEDFigure"; //$NON-NLS-1$ |
| } |
| |
| } |