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Eclipse Platform
Release 3.0

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org.eclipse.jface.action
Class ToolBarContributionItem

java.lang.Object
  org.eclipse.jface.action.ContributionItem
      org.eclipse.jface.action.ToolBarContributionItem

All Implemented Interfaces:

IContributionItem

public class ToolBarContributionItem

extends ContributionItem

The ToolBarContributionItem class provides a wrapper for tool bar managers when used in cool bar managers. It extends ContributionItem but and provides some additional methods to customize the size of the cool item and to retrieve the underlying tool bar manager.

This class may be instantiated; it is not intended to be subclassed.

Since:

3.0

Field Summary

static int

SHOW_ALL_ITEMS A constant used by setMinimumItemsToShow and getMinimumItemsToShow to indicate that all tool items should be shown in the cool item.

Constructor Summary

ToolBarContributionItem()
Convenience method equivalent to ToolBarContributionItem(new ToolBarManager(), null).

ToolBarContributionItem(IToolBarManager toolBarManager)
Convenience method equivalent to ToolBarContributionItem(toolBarManager, null).

ToolBarContributionItem(IToolBarManager toolBarManager, String id)
Creates a tool bar contribution item.

Method Summary

void	dispose() The default implementation of this IContributionItem method does nothing.
void	fill(CoolBar coolBar, int index) The default implementation of this IContributionItem method does nothing.
int	getCurrentHeight() Returns the current height of the corresponding cool item.
int	getCurrentWidth() Returns the current width of the corresponding cool item.
int	getMinimumItemsToShow() Returns the minimum number of tool items to show in the cool item.
IToolBarManager	getToolBarManager() Returns the internal tool bar manager of the contribution item.
boolean	getUseChevron() Returns whether chevron support is enabled.
boolean	isVisible() A contribution item is visible iff its internal state is visible or the tool bar manager contains something other than group markers and separators.
void	saveWidgetState() The default implementation of this IContributionItem method does nothing.
void	setCurrentHeight(int currentHeight) Sets the current height of the cool item.
void	setCurrentWidth(int currentWidth) Sets the current width of the cool item.
void	setMinimumItemsToShow(int minimumItemsToShow) Sets the minimum number of tool items to show in the cool item.
void	setUseChevron(boolean value) Enables or disables chevron support for the cool item.
void	update(String propertyName) The ContributionItem implementation of this method declared on IContributionItem does nothing.

Methods inherited from class org.eclipse.jface.action.ContributionItem

fill, fill, fill, getId, getParent, isDirty, isDynamic, isEnabled, isGroupMarker, isSeparator, setParent, setVisible, toString, update

Methods inherited from class java.lang.Object

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

Field Detail

SHOW_ALL_ITEMS

public static final int SHOW_ALL_ITEMS

A constant used by setMinimumItemsToShow and getMinimumItemsToShow to indicate that all tool items should be shown in the cool item.

See Also:

Constant Field Values

Constructor Detail

ToolBarContributionItem

public ToolBarContributionItem()

Convenience method equivalent to ToolBarContributionItem(new ToolBarManager(), null).

ToolBarContributionItem

public ToolBarContributionItem(IToolBarManager toolBarManager)

Convenience method equivalent to ToolBarContributionItem(toolBarManager, null).

Parameters:

toolBarManager - the tool bar manager

ToolBarContributionItem

public ToolBarContributionItem(IToolBarManager toolBarManager,
                               String id)

Creates a tool bar contribution item.

Parameters:

toolBarManager - the tool bar manager to wrap

id - the contribution item id, or null if none

Method Detail

dispose

public void dispose()

Description copied from class: ContributionItem

The default implementation of this IContributionItem method does nothing. Subclasses may override.

Specified by:

dispose in interface IContributionItem

Overrides:

dispose in class ContributionItem

fill

public void fill(CoolBar coolBar,
                 int index)

Description copied from class: ContributionItem

The default implementation of this IContributionItem method does nothing. Subclasses may override.

Specified by:

fill in interface IContributionItem

Overrides:

fill in class ContributionItem

getCurrentHeight

public int getCurrentHeight()

Returns the current height of the corresponding cool item.

Returns:

the current height

getCurrentWidth

public int getCurrentWidth()

Returns the current width of the corresponding cool item.

Returns:

the current size

getMinimumItemsToShow

public int getMinimumItemsToShow()

Returns the minimum number of tool items to show in the cool item.

Returns:

the minimum number of tool items to show, or SHOW_ALL_ITEMS if a value was not set

See Also:

setMinimumItemsToShow(int)

getToolBarManager

public IToolBarManager getToolBarManager()

Returns the internal tool bar manager of the contribution item.

Returns:

the tool bar manager, or null if one is not defined.

See Also:

IToolBarManager

getUseChevron

public boolean getUseChevron()

Returns whether chevron support is enabled.

Returns:

true if chevron support is enabled, false otherwise

isVisible

public boolean isVisible()

A contribution item is visible iff its internal state is visible or the tool bar manager contains something other than group markers and separators.

Specified by:

isVisible in interface IContributionItem

Overrides:

isVisible in class ContributionItem

Returns:

true if the tool bar manager contains something other than group marks and separators, and the internal state is set to be visible.

saveWidgetState

public void saveWidgetState()

Description copied from class: ContributionItem

The default implementation of this IContributionItem method does nothing. Subclasses may override.

Specified by:

saveWidgetState in interface IContributionItem

Overrides:

saveWidgetState in class ContributionItem

setCurrentHeight

public void setCurrentHeight(int currentHeight)

Sets the current height of the cool item. Update(SIZE) should be called to adjust the widget.

Parameters:

currentHeight - the current height to set

setCurrentWidth

public void setCurrentWidth(int currentWidth)

Sets the current width of the cool item. Update(SIZE) should be called to adjust the widget.

Parameters:

currentWidth - the current width to set

setMinimumItemsToShow

public void setMinimumItemsToShow(int minimumItemsToShow)

Sets the minimum number of tool items to show in the cool item. If this number is less than the total tool items, a chevron will appear and the hidden tool items appear in a drop down menu. By default, all the tool items are shown in the cool item.

Parameters:

minimumItemsToShow - the minimum number of tool items to show.

See Also:

getMinimumItemsToShow(), setUseChevron(boolean)

setUseChevron

public void setUseChevron(boolean value)

Enables or disables chevron support for the cool item. By default, chevron support is enabled.

Parameters:

value - true to enable chevron support, false otherwise.

update

public void update(String propertyName)

Description copied from class: ContributionItem

The ContributionItem implementation of this method declared on IContributionItem does nothing. Subclasses should override to update their state.

Specified by:

update in interface IContributionItem

Overrides:

update in class ContributionItem