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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.Graphics;
import org.eclipse.draw2d.geometry.Dimension;
import org.eclipse.draw2d.geometry.Rectangle;
import org.eclipse.jst.pagedesigner.css2.provider.DimensionInfo;
import org.eclipse.jst.pagedesigner.css2.provider.ICSSWidgetProvider;
/**
* @author mengbo
*/
public class CSSWidgetLayout extends CSSBlockFlowLayout implements ICSSPainter {
private WidgetBox _widgetBox;
private ICSSWidgetProvider _provider;
/**
* @param flowfigure
*/
public CSSWidgetLayout(CSSFigure flowfigure, ICSSWidgetProvider provider) {
super(flowfigure);
_provider = provider;
}
/**
* normally this method is called directly after constructor
*
* @param provider
*/
public void setProvider(ICSSWidgetProvider provider) {
_provider = provider;
}
public ICSSWidgetProvider getProvider() {
// return ((CSSWidgetFigure)this.getFlowFigure()).getProvider();
return _provider;
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jst.pagedesigner.css2.layout.CSSBlockFlowLayout#isInlineBlock()
*/
public boolean isInlineBlock() {
ICSSWidgetProvider provider = getProvider();
return provider.isInline();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jst.pagedesigner.css2.layout.FlowFigureLayout#layout()
*/
protected void layoutChildren() {
ICSSWidgetProvider provider = getProvider();
// if we did endLine, then will result in context create a new line, so
// we may in the new line now.
// passing in the top margin, and context will consider that when
// creating the new line.
int suggestedWith = _blockBox.getContentWidth();
int suggestedHeight = _blockBox.getContentHeight();
// int suggestedWith = getSuggestedWidth(line, style, provider);
// int suggestedHeight = getSuggestedHeight(line, style, provider);
DimensionInfo resultInfo = provider.getPreferredDimension(
suggestedWith, suggestedHeight);
Dimension resultSize = resultInfo.getDimension();
_widgetBox = new WidgetBox(); // ((CSSWidgetFigure)getFlowFigure()).getWidgetBox();
// if (provider.isHandlingBorder() || style == null)
// {
_widgetBox.setWidth(resultSize.width);
_widgetBox.setHeight(resultSize.height);
_widgetBox.setAscent(resultInfo.getAscent());
// }
// else
// {
// widgetBox.setWidth(resultSize.width +
// style.getBorderInsets().getWidth());
// widgetBox.setHeight(resultSize.height +
// style.getBorderInsets().getHeight());
// widgetBox.setAscent(resultInfo.getAscent()+style.getBorderInsets().top);
// }
this.addToCurrentLine(_widgetBox);
// if (!provider.isInline())
// {
// context.endLine();
// }
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jst.pagedesigner.css2.layout.FlowFigureLayout#dispose()
*/
public void dispose() {
// TODO: anything to dispose?
}
// public int getSuggestedWidth(LineBox line, ICSSStyle style,
// ICSSWidgetProvider provider)
// {
// if (style == null) return -1;
//
// Object width = style.getStyleProperty(ICSSPropertyID.ATTR_WIDTH);
// Length recommendedWidth = (width instanceof Length) ? (Length) width :
// null;
//
// int rw = 0;
// if (recommendedWidth == null || recommendedWidth.getValue() <= 0)
// {
// return -1;
// }
// else
// {
// if (recommendedWidth.isPercentage())
// {
// rw = line.getAvailableWidth() * recommendedWidth.getValue() / 100;
// }
// else
// {
// rw = recommendedWidth.getValue();
// }
//
// if (!style.isSizeIncludeBorderPadding() && provider.isHandlingBorder())
// {
// rw += style.getBorderInsets().getWidth() +
// style.getPaddingInsets().getWidth();
// }
// else if (style.isSizeIncludeBorderPadding() &&
// !provider.isHandlingBorder())
// {
// rw -= style.getBorderInsets().getWidth() +
// style.getPaddingInsets().getWidth();
// }
// }
//
// return rw;
// }
//
// public int getSuggestedHeight(LineBox line, ICSSStyle style,
// ICSSWidgetProvider provider)
// {
// if (style == null) return -1;
//
// Object height = style.getStyleProperty(ICSSPropertyID.ATTR_HEIGHT);
// Length recommendedHeight = (height instanceof Length) ? (Length) height :
// null;
//
// int rh = 0;
// if (recommendedHeight == null || recommendedHeight.getValue() <= 0)
// {
// return -1;
// }
// else
// {
// if (recommendedHeight.isPercentage())
// {
// // we don't support percentage height for this version, ignore
// return -1;
// }
// else
// {
// rh = recommendedHeight.getValue();
// }
//
// if (!style.isSizeIncludeBorderPadding() && provider.isHandlingBorder())
// {
// rh += style.getBorderInsets().getHeight() +
// style.getPaddingInsets().getHeight();
// }
// else if (style.isSizeIncludeBorderPadding() &&
// !provider.isHandlingBorder())
// {
// rh -= style.getBorderInsets().getHeight() +
// style.getPaddingInsets().getHeight();
// }
// }
//
// return rh;
// }
/*
* (non-Javadoc)
*
* @see org.eclipse.jst.pagedesigner.css2.layout.ICSSPainter#paintFigure(org.eclipse.draw2d.Graphics)
*/
public void paintFigure(Graphics g) {
ICSSWidgetProvider provider = this.getProvider();
if (provider != null && _widgetBox != null) {
provider.paintFigure(g, new Rectangle(_widgetBox._x, _widgetBox._y,
_widgetBox.getWidth(), _widgetBox.getHeight()));
}
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jst.pagedesigner.css2.layout.CSSLayout#handlingBorderForBlock()
*/
public boolean handlingBorderForBlock() {
ICSSWidgetProvider provider = this.getProvider();
if (provider != null) {
return provider.isHandlingBorder();
}
return super.handlingBorderForBlock();
}
}
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