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/*******************************************************************************
* Copyright (c) 2006 Sybase, Inc. 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:
* Sybase, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.pagedesigner.css2.layout;
import org.eclipse.draw2d.geometry.Rectangle;
/**
* A CompositeBox suitable for containing multiple LineBox fragments. Based on
* BlockBox of draw2d.
*
* @author mengbo
*/
public class BlockBox extends CompositeBox {
// internalContent dimension is for the closure of the FlowBox(es) added
// into the BlockBox.
private int _internalContentWidth = -1;
private int _internalContentHeight = -1;
Rectangle toRectangle() {
return new Rectangle(_x, _y, Math.max(_width, _recommendedWidth),
_height);
}
/**
* Sets the height.
*
* @param h
* The height
*/
public void setHeight(int h) {
_height = h;
}
/**
* Unions the dimensions of this with the dimensions of the passed FlowBox.
* For BlockBox, each time unionInfo is called, the passed in object
* represents a line.
*
* @param box
* The FlowBox to union this with
*/
protected void unionInfo(FlowBox box) {
_width = Math.max(_width, box._width + this.getBorderPaddingWidth());
_height = Math.max(_height, box._y + box._height
+ this.getBorderPaddingHeight());
_internalContentWidth = Math.max(_internalContentWidth, box._width);
_internalContentHeight = Math.max(_internalContentHeight, box._y
+ box._height);
}
public int getInternalContentWidth() {
return _internalContentWidth;
}
public int getInternalContentHeight() {
return _internalContentHeight;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jst.pagedesigner.css2.layout.FlowBox#getAscent()
*/
public int getAscent() {
// XXX: some hard coded things here. If the blockbox is only for a
// single widget, and if that widget support ascent, then we'll
// delegate to that widget for ascent support.
// if (_fragments.size()==1)
// {
// FlowBox box = (FlowBox) _fragments.get(0);
// if (box instanceof LineBox)
// {
// List linecomponents = ((LineBox) box).getFragments();
// if (linecomponents != null && linecomponents.size() == 1)
// {
// FlowBox box2 = (FlowBox) linecomponents.get(0);
// if (box2 instanceof WidgetBox)
// {
// WidgetBox widgetBox = (WidgetBox) box2;
// if (widgetBox.supportAscent())
// {
// return widgetBox.getAscent() + this.getBorderPaddingInsets().top;
// }
// }
// }
// }
// }
return super.getAscent();
}
}
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