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/*******************************************************************************
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* Copyright 2005, CHISEL Group, University of Victoria, Victoria, BC, Canada.
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* All rights reserved. This program and the accompanying materials are made
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* available under the terms of the Eclipse Public License v1.0 which
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* accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors: The Chisel Group, University of Victoria
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*******************************************************************************/
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package org.eclipse.zest.layouts;
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import org.eclipse.zest.layouts.constraints.LayoutConstraint;
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/**
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* This represents a single entity, providing the layout algorithms with
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* a common interface to run on.
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*
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* @author Casey Best
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* @author Ian Bull
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* @author Chris Bennett
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*/
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public interface LayoutEntity extends Comparable, LayoutItem {
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public final static String ATTR_PREFERRED_WIDTH = "tree-preferred-width";
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public final static String ATTR_PREFERRED_HEIGHT = "tree-preferred-height";
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public void setLocationInLayout(double x, double y);
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public void setSizeInLayout(double width, double height);
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public double getXInLayout();
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public double getYInLayout();
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public double getWidthInLayout();
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public double getHeightInLayout();
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public Object getLayoutInformation();
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public void setLayoutInformation(Object internalEntity);
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/**
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* Classes should update the specified layout constraint if recognized
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* @return
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*/
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public void populateLayoutConstraint(LayoutConstraint constraint);
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}
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