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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.Insets;
import org.eclipse.draw2d.geometry.Rectangle;
/**
* This class represents the CSS box model. See chapter 8 of CSS2 spec.
*
* see http://www.w3.org/TR/REC-CSS2/box.html
*
*/
public class FlowBox {
private Object _verticalAlignData = null;
/**
* The x location
*/
protected int _x;
/**
* The y location
*/
protected int _y;
int _width;
int _height;
private Insets _marginInsets = new Insets();
private Insets _borderInsets = new Insets();
private Insets _paddingInsets = new Insets();
/**
* This method must be called on a block that is completely positioned and
* committed.
*
* @param x
* X
* @param y
* Y
* @return <code>true</code> if the FlowBox contains the point
*/
public boolean containsPoint(int x, int y) {
return x >= this._x && y >= this._y && x < this._x + this._width
&& y < this._y + this._height;
}
/**
* By default, a FlowBox is all ascent, and no descent, so the height is
* returned.
*
* @return the <i>ascent </i> in pixels above the baseline
*/
public int getAscent() {
return getHeight();
}
/**
* By default, a simple FlowBox is all ascent, and no descent. Zero is
* returned.
*
* @return the <i>descent </i> in pixels below the baseline
*/
public final int getDescent() {
return getHeight() - getAscent();
}
/**
* Returns the height
*
* @return height
*/
public int getHeight() {
return _height;
}
/**
* Returns the width
*
* @return width
*/
public int getWidth() {
return _width;
}
/**
* @param w
*/
public void setWidth(int w) {
_width = w;
}
/**
* @param h
*/
public void setHeight(int h) {
_height = h;
}
/**
* Used to set the baseline of this FlowBox to the specified value.
*
* @param value
* the new baseline
*/
public void makeBaseline(int value) {
_y = (value - getAscent());
}
/**
* @return the border padding width
*/
public int getBorderPaddingWidth() {
return _borderInsets.getWidth() + _paddingInsets.getWidth();
}
/**
* @return the border padding height
*/
public int getBorderPaddingHeight() {
return _borderInsets.getHeight() + _paddingInsets.getHeight();
}
/**
* @return the border padding insets
*/
public Insets getBorderPaddingInsets() {
Insets temp = new Insets(_borderInsets);
return temp.add(_paddingInsets);
}
/**
* @param rect
*/
public void setXYWidthHeight(Rectangle rect) {
this._x = rect.x;
this._y = rect.y;
this.setWidth(rect.width);
this.setHeight(rect.height);
}
/**
* @return Returns the _verticalAlignData.
*/
public Object getVerticalAlignData() {
return _verticalAlignData;
}
/**
* @param alignData
* The _verticalAlignData to set.
*/
public void setVerticalAlignData(Object alignData) {
_verticalAlignData = alignData;
}
/**
* @return a copy of the rectangle
* TODO: use getCopy() ?
*/
public Rectangle getRectangle() {
return new Rectangle(this._x, this._y, this.getWidth(), this
.getHeight());
}
/**
* @return the x coordinate
*/
public final int getX() {
return _x;
}
/**
* @return the y coordinate
*/
public final int getY() {
return _y;
}
/**
* @param y
*/
protected void setY(int y)
{
_y = y;
}
/**
* @return the margin insets
*/
public final Insets getMarginInsets() {
return _marginInsets;
}
final void setMarginInsets(Insets marginInsets) {
_marginInsets = marginInsets;
}
final Insets getBorderInsets() {
return _borderInsets;
}
final void setBorderInsets(Insets borderInsets)
{
_borderInsets = borderInsets;
}
final Insets getPaddingInsets() {
return _paddingInsets;
}
final void setPaddingInsets(Insets paddingInsets)
{
_paddingInsets = paddingInsets;
}
}
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