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java.lang.Objectorg.eclipse.jface.action.ContributionItem
org.eclipse.jface.action.ControlContribution
An abstract contribution item implementation for adding an arbitrary SWT control to a tool bar. Note, however, that these items cannot be contributed to menu bars.
The createControl
framework method must be implemented
by concrete subclasses.
Constructor Summary | |
protected |
ControlContribution(String id)
Creates a control contribution item with the given id. |
Method Summary | |
protected int |
computeWidth(Control control)
Computes the width of the given control which is being added to a tool bar. |
protected abstract Control |
createControl(Composite parent)
Creates and returns the control for this contribution item under the given parent composite. |
void |
fill(Composite parent)
The control item implementation of this IContributionItem
method calls the createControl framework method.
|
void |
fill(Menu parent,
int index)
The control item implementation of this IContributionItem
method throws an exception since controls cannot be added to menus. |
void |
fill(ToolBar parent,
int index)
The control item implementation of this IContributionItem
method calls the createControl framework method to
create a control under the given parent, and then creates
a new tool item to hold it.
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Methods inherited from class org.eclipse.jface.action.ContributionItem |
dispose, fill, getId, getParent, isDirty, isDynamic, isEnabled, isGroupMarker, isSeparator, isVisible, saveWidgetState, setParent, setVisible, toString, update, update |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
protected ControlContribution(String id)
id
- the contribution item idMethod Detail |
protected int computeWidth(Control control)
The default implementation of this framework method returns
control.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x
.
Subclasses may override if required.
control
- the control being added
protected abstract Control createControl(Composite parent)
This framework method must be implemented by concrete subclasses.
parent
- the parent composite
public final void fill(Composite parent)
IContributionItem
method calls the createControl
framework method.
Subclasses must implement createControl
rather than
overriding this method.
fill
in interface IContributionItem
fill
in class ContributionItem
public final void fill(Menu parent, int index)
IContributionItem
method throws an exception since controls cannot be added to menus.
fill
in interface IContributionItem
fill
in class ContributionItem
public final void fill(ToolBar parent, int index)
IContributionItem
method calls the createControl
framework method to
create a control under the given parent, and then creates
a new tool item to hold it.
Subclasses must implement createControl
rather than
overriding this method.
fill
in interface IContributionItem
fill
in class ContributionItem
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Guidelines for using Eclipse APIs.
Copyright (c) IBM Corp. and others 2000, 2004. All rights reserved.