org.eclipse.draw2d
Class ViewportLayout

java.lang.Object
  |
  +--org.eclipse.draw2d.AbstractLayout
        |
        +--org.eclipse.draw2d.ViewportLayout

All Implemented Interfaces:

LayoutManager

public class ViewportLayout

extends AbstractLayout

Layout for a viewport. A viewport is a flexible window onto a figure.

Constructor Summary

ViewportLayout()

Method Summary

protected Dimension	calculatePreferredSize(IFigure parent) Calculates and returns the preferred size of the figure given in the input.
Dimension	getMinimumSize(IFigure figure) Returns the minimum size of the given figure.
void	layout(IFigure figure) Lays out the given figure.

Methods inherited from class org.eclipse.draw2d.AbstractLayout

calculatePreferredSize, getBorderPreferredSize, getConstraint, getPreferredSize, getPreferredSize, invalidate, invalidate, remove, setConstraint

Methods inherited from class java.lang.Object

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

Constructor Detail

ViewportLayout

public ViewportLayout()

Method Detail

calculatePreferredSize

protected Dimension calculatePreferredSize(IFigure parent)

Calculates and returns the preferred size of the figure given in the input. Since the viewport would generally like to cover the contents it is windowing, it returns the preferred size of the contents, with its own borders added.

Overrides:

calculatePreferredSize in class AbstractLayout

Parameters:

Viewport - for which the preferred size is required.

Returns:

Preferred size of the viewport.

Since:

2.0

layout

public void layout(IFigure figure)

Description copied from interface: LayoutManager

Lays out the given figure.

getMinimumSize

public Dimension getMinimumSize(IFigure figure)

Description copied from class: AbstractLayout

Returns the minimum size of the given figure.

Overrides:

getMinimumSize in class AbstractLayout