/*******************************************************************************
* Copyright (c) 2003, 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.internal.ui.rulers;
import org.eclipse.draw2d.ColorConstants;
import org.eclipse.draw2d.Figure;
import org.eclipse.draw2d.FocusEvent;
import org.eclipse.draw2d.Graphics;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Insets;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.gef.SharedCursors;
/**
* @author Pratik Shah
*/
public class GuideFigure extends Figure {
private static final Dimension H_PREFSIZE = new Dimension(9, 11);
private static final Dimension V_PREFSIZE = new Dimension(11, 9);
private boolean horizontal;
private boolean drawFocus;
public GuideFigure(boolean isHorizontal) {
horizontal = isHorizontal;
setBackgroundColor(ColorConstants.button());
if (horizontal) {
setCursor(SharedCursors.SIZENS);
} else {
setCursor(SharedCursors.SIZEWE);
}
}
/*
* (non-Javadoc)
*
* @see org.eclipse.draw2d.Figure#getPreferredSize(int, int)
*/
public Dimension getPreferredSize(int wHint, int hHint) {
Dimension prefSize;
if (isHorizontal()) {
prefSize = H_PREFSIZE;
} else {
prefSize = V_PREFSIZE;
}
if (getBorder() != null) {
prefSize = prefSize.getExpanded(getInsets().getWidth(), getInsets()
.getHeight());
}
return prefSize;
}
public void handleFocusGained(FocusEvent event) {
super.handleFocusGained(event);
repaint();
getUpdateManager().performUpdate();
}
public void handleFocusLost(FocusEvent event) {
super.handleFocusLost(event);
repaint();
getUpdateManager().performUpdate();
}
protected boolean isHorizontal() {
return horizontal;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.draw2d.Figure#paintFigure(org.eclipse.draw2d.Graphics)
*/
protected void paintFigure(Graphics graphics) {
// Since painting can occur a lot, using a transposer is not good for
// performance.
// Hence, this method does not use it.
if (isHorizontal()) {
Rectangle clientArea = getClientArea();
clientArea.shrink(0, 1);
clientArea.x = clientArea.x + clientArea.width - 8;
clientArea.width = 8;
graphics.fillRectangle(clientArea
.getShrinked(new Insets(2, 2, 2, 1)));
graphics.setForegroundColor(ColorConstants.buttonLightest());
graphics.drawLine(clientArea.x, clientArea.y + 1, clientArea.x,
clientArea.y + 7);
graphics.drawLine(clientArea.x + 1, clientArea.y, clientArea.x + 4,
clientArea.y);
graphics.drawLine(clientArea.x + 1, clientArea.y + 8,
clientArea.x + 4, clientArea.y + 8);
graphics.drawLine(clientArea.x + 2, clientArea.y + 2,
clientArea.x + 2, clientArea.y + 5);
graphics.drawLine(clientArea.x + 3, clientArea.y + 2,
clientArea.x + 3, clientArea.y + 2);
graphics.drawLine(clientArea.x + 6, clientArea.y + 2,
clientArea.x + 6, clientArea.y + 2);
graphics.drawLine(clientArea.x + 6, clientArea.y + 6,
clientArea.x + 6, clientArea.y + 6);
graphics.drawLine(clientArea.x + 7, clientArea.y + 3,
clientArea.x + 7, clientArea.y + 5);
graphics.setForegroundColor(ColorConstants.buttonDarker());
graphics.drawLine(clientArea.x + 1, clientArea.y + 1,
clientArea.x + 4, clientArea.y + 1);
graphics.drawLine(clientArea.x + 1, clientArea.y + 2,
clientArea.x + 1, clientArea.y + 7);
graphics.drawLine(clientArea.x + 2, clientArea.y + 7,
clientArea.x + 2, clientArea.y + 7);
graphics.drawLine(clientArea.x + 5, clientArea.y + 2,
clientArea.x + 5, clientArea.y + 2);
graphics.drawLine(clientArea.x + 6, clientArea.y + 3,
clientArea.x + 6, clientArea.y + 3);
graphics.setForegroundColor(ColorConstants.buttonDarkest());
graphics.drawLine(clientArea.x + 3, clientArea.y + 7,
clientArea.x + 4, clientArea.y + 7);
graphics.drawLine(clientArea.x + 5, clientArea.y + 6,
clientArea.x + 5, clientArea.y + 6);
graphics.drawLine(clientArea.x + 6, clientArea.y + 5,
clientArea.x + 6, clientArea.y + 5);
graphics.drawLine(clientArea.x + 7, clientArea.y + 4,
clientArea.x + 7, clientArea.y + 4);
if (drawFocus) {
clientArea.expand(1, 1);
clientArea.height -= 1;
graphics.setForegroundColor(ColorConstants.black());
graphics.setBackgroundColor(ColorConstants.white());
graphics.drawFocus(clientArea);
}
} else {
Rectangle clientArea = getClientArea();
clientArea.shrink(1, 0);
clientArea.y = clientArea.y + clientArea.height - 8;
clientArea.height = 8;
graphics.fillRectangle(clientArea
.getShrinked(new Insets(2, 2, 1, 2)));
graphics.setForegroundColor(ColorConstants.buttonLightest());
graphics.drawLine(clientArea.x + 1, clientArea.y, clientArea.x + 7,
clientArea.y);
graphics.drawLine(clientArea.x, clientArea.y + 1, clientArea.x,
clientArea.y + 4);
graphics.drawLine(clientArea.x + 8, clientArea.y + 1,
clientArea.x + 8, clientArea.y + 4);
graphics.drawLine(clientArea.x + 2, clientArea.y + 2,
clientArea.x + 5, clientArea.y + 2);
graphics.drawLine(clientArea.x + 2, clientArea.y + 3,
clientArea.x + 2, clientArea.y + 3);
graphics.drawLine(clientArea.x + 2, clientArea.y + 6,
clientArea.x + 2, clientArea.y + 6);
graphics.drawLine(clientArea.x + 6, clientArea.y + 6,
clientArea.x + 6, clientArea.y + 6);
graphics.drawLine(clientArea.x + 3, clientArea.y + 7,
clientArea.x + 5, clientArea.y + 7);
graphics.setForegroundColor(ColorConstants.buttonDarker());
graphics.drawLine(clientArea.x + 1, clientArea.y + 1,
clientArea.x + 1, clientArea.y + 4);
graphics.drawLine(clientArea.x + 2, clientArea.y + 1,
clientArea.x + 7, clientArea.y + 1);
graphics.drawLine(clientArea.x + 7, clientArea.y + 2,
clientArea.x + 7, clientArea.y + 2);
graphics.drawLine(clientArea.x + 2, clientArea.y + 5,
clientArea.x + 2, clientArea.y + 5);
graphics.drawLine(clientArea.x + 3, clientArea.y + 6,
clientArea.x + 3, clientArea.y + 6);
graphics.setForegroundColor(ColorConstants.buttonDarkest());
graphics.drawLine(clientArea.x + 7, clientArea.y + 3,
clientArea.x + 7, clientArea.y + 4);
graphics.drawLine(clientArea.x + 6, clientArea.y + 5,
clientArea.x + 6, clientArea.y + 5);
graphics.drawLine(clientArea.x + 5, clientArea.y + 6,
clientArea.x + 5, clientArea.y + 6);
graphics.drawLine(clientArea.x + 4, clientArea.y + 7,
clientArea.x + 4, clientArea.y + 7);
if (drawFocus) {
clientArea.expand(1, 1);
clientArea.width -= 1;
graphics.setForegroundColor(ColorConstants.black());
graphics.setBackgroundColor(ColorConstants.white());
graphics.drawFocus(clientArea);
}
}
}
public void setDrawFocus(boolean drawFocus) {
if (this.drawFocus != drawFocus) {
this.drawFocus = drawFocus;
repaint();
}
}
}