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org.eclipse.gef
Class CompoundSnapToHelper
java.lang.Object
org.eclipse.gef.SnapToHelper
org.eclipse.gef.CompoundSnapToHelper
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All Implemented Interfaces:
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PositionConstants
- public class CompoundSnapToHelper
- extends
SnapToHelper
Combines multiple SnapToHelpers into one compound helper. The compound helper
deletages to multiple other helpers.
Fields inherited from interface org.eclipse.draw2d.
PositionConstants
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ALWAYS_LEFT,
ALWAYS_RIGHT,
BOTTOM,
CENTER,
EAST,
EAST_WEST,
HORIZONTAL,
LEFT,
LEFT_CENTER_RIGHT,
MIDDLE,
NONE,
NORTH,
NORTH_EAST,
NORTH_SOUTH,
NORTH_WEST,
NSEW,
RIGHT,
SOUTH,
SOUTH_EAST,
SOUTH_WEST,
TOP,
TOP_MIDDLE_BOTTOM,
VERTICAL,
WEST
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Methods inherited from class java.lang.Object
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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CompoundSnapToHelper
public CompoundSnapToHelper(
SnapToHelper[] delegates)
- Constructs a compound snap to helper which will delegate to the provided array of
helpers. The first helper in the array has highest priority and will be given the
first opportunity to perform snapping.
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Parameters:
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delegates - an array of helpers -
Since:
- 3.0
getDelegates
protected
SnapToHelper[] getDelegates()
- Gets the array of helpers.
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Returns:
- the array of helpers.
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Since:
- 3.4
snapRectangle
public int snapRectangle(
Request request,
int snapOrientation,
PrecisionRectangle baseRect,
PrecisionRectangle result)
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Description copied from class:
SnapToHelper
- Applies a snap correction to a Rectangle based on a given Rectangle. The provided
baseRect will be used as a reference for snapping. The types of snapping to be
performed are indicated by the snapOrientation parameter. The correction is applied to
the result field.
The baseRect is not modified. The correction is applied to the result. The request's
extended data may contain additional information
about the snapping which was performed.
All coordinate information received and returned by this method should be in absolute
coordinates.
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Specified by:
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snapRectangle
in class
SnapToHelper
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Parameters:
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request - the request or null
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baseRect - the input rectangle -
result - the correction is applied to this rectangle -
snapOrientation - the input snap locations
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Returns:
- the remaining snap locations
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See Also:
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SnapToHelper.snapRectangle(Request, int, PrecisionRectangle, PrecisionRectangle)
Copyright (c) IBM Corp. and others 2000, 2007. All Rights Reserved.
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