Eclipse GEF and Draw2d Plug-in Developer Guide (Galileo) - StackLayout (Eclipse Draw2d API Specification)

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Eclipse Draw2d
3.3

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org.eclipse.draw2d
Class StackLayout

java.lang.Object
  

org.eclipse.draw2d.AbstractLayout
      

org.eclipse.draw2d.AbstractHintLayout
          
org.eclipse.draw2d.StackLayout

All Implemented Interfaces:: LayoutManager

public class StackLayout
extends AbstractHintLayout

Figures using the StackLayout as their layout manager have their children placed on top of one another. Order of placement is determined by the order in which the children were added, first child added placed on the bottom.

Field Summary

Fields inherited from class org.eclipse.draw2d. AbstractLayout

isObservingVisibility, preferredSize

Constructor Summary

StackLayout ()


Method Summary

protected Dimension calculateMinimumSize ( IFigure figure, int wHint, int hHint)
          Returns the minimum size required by the input container.

protected Dimension calculatePreferredSize ( IFigure figure, int wHint, int hHint)
          Calculates and returns the preferred size of the given figure.

void layout ( IFigure figure)
          Lays out the given figure.

Methods inherited from class org.eclipse.draw2d. AbstractHintLayout

getMinimumSize, getPreferredSize, invalidate, isSensitiveHorizontally, isSensitiveVertically

Methods inherited from class org.eclipse.draw2d. AbstractLayout

calculatePreferredSize, getBorderPreferredSize, getConstraint, getMinimumSize, getPreferredSize, invalidate, isObservingVisibility, remove, setConstraint, setObserveVisibility

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

StackLayout

public StackLayout()

Method Detail

calculateMinimumSize

protected 
Dimension calculateMinimumSize(
IFigure figure,
                                         int wHint,
                                         int hHint)

Returns the minimum size required by the input container. This is the size of the largest child of the container, as all other children fit into this size.

Overrides:: calculateMinimumSize in class AbstractHintLayout

Parameters:: figure - the Figure on which this layout is installed; wHint - the width hint; hHint - the height hint
Returns:: the layout's minimum size
See Also:: AbstractHintLayout.calculateMinimumSize(IFigure, int, int)

calculatePreferredSize

protected 
Dimension calculatePreferredSize(
IFigure figure,
                                           int wHint,
                                           int hHint)

Calculates and returns the preferred size of the given figure. This is the union of the preferred sizes of the widest and the tallest of all its children.

Specified by:: calculatePreferredSize in class AbstractLayout

Parameters:: figure - The figure; wHint - The width hint; hHint - The height hint
Returns:: The preferred size
See Also:: AbstractLayout.calculatePreferredSize(IFigure, int, int)

layout

public void layout(
IFigure figure)

Description copied from interface: LayoutManager

Lays out the given figure.

Parameters:: figure - The figure
See Also:: LayoutManager.layout(IFigure)