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

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Eclipse Draw2d
3.3

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org.eclipse.draw2d
Class ScrollPaneSolver

java.lang.Object
  
org.eclipse.draw2d.ScrollPaneSolver

public class ScrollPaneSolver
extends java.lang.Object

This class handles the calculation of solving for the area of a ScrollPane's viewport and insets. Also determines if the horizontal and vertical scrollbars should be visible.

Nested Class Summary

static class ScrollPaneSolver.Result
          Container class for the results of ScrollPaneSolver's solve method

Field Summary

static int ALWAYS
          Scrollbar visibility constants -- always show scrollbars

static int AUTOMATIC
          Scrollbar visibility constants -- show scrollbars automatically

static int NEVER
          Scrollbar visibility constants -- never show scrollbars

Constructor Summary

ScrollPaneSolver ()


Method Summary

static ScrollPaneSolver.Result solve ( Rectangle clientArea, Viewport viewport, int hVis, int vVis, int vBarWidth, int hBarHeight)
          Solves for the viewport area, insets, and visibility of horizontal and vertical scrollbars of a ScrollPane

Methods inherited from class java.lang.Object

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

Field Detail

NEVER

public static final int NEVER

Scrollbar visibility constants -- never show scrollbars

See Also:: Constant Field Values

AUTOMATIC

public static final int AUTOMATIC

Scrollbar visibility constants -- show scrollbars automatically

See Also:: Constant Field Values

ALWAYS

public static final int ALWAYS

Scrollbar visibility constants -- always show scrollbars

See Also:: Constant Field Values

Constructor Detail

ScrollPaneSolver

public ScrollPaneSolver()

Method Detail

solve

public static 
ScrollPaneSolver.Result solve(
Rectangle clientArea,
                                            
Viewport viewport,
                                            int hVis,
                                            int vVis,
                                            int vBarWidth,
                                            int hBarHeight)

Solves for the viewport area, insets, and visibility of horizontal and vertical scrollbars of a ScrollPane

Parameters:: clientArea - The ScrollPane's client area; viewport - The ScrollPane's Viewport; hVis - Horizontal scrollbar visibility; vVis - Vertical scrollbar visibility; vBarWidth - Width of vertical scrollbar; hBarHeight - Height of horizontal scrollbar
Returns:: the Result