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Eclipse Platform
Release 3.0

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org.eclipse.jface.action
Class SubMenuManager

java.lang.Object
  org.eclipse.jface.action.SubContributionManager
      org.eclipse.jface.action.SubMenuManager

All Implemented Interfaces:

IContributionItem, IContributionManager, IMenuManager

public class SubMenuManager

extends SubContributionManager

implements IMenuManager

A SubMenuManager is used to define a set of contribution items within a parent manager. Once defined, the visibility of the entire set can be changed as a unit.

A client may ask for and make additions to a submenu. The visibility of these items is also controlled by the visibility of the SubMenuManager.

Constructor Summary

SubMenuManager(IMenuManager mgr)
Constructs a new manager.

Method Summary

void	addMenuListener(IMenuListener listener) Adds a menu listener to this menu.
void	dispose() The default implementation of this IContributionItem method does nothing.
void	disposeManager() Disposes this sub contribution manager, removing all its items and cleaning up any other resources allocated by it.
void	fill(Composite parent) Fills the given composite control with controls representing this contribution item.
void	fill(CoolBar parent, int index) Fills the given cool bar with controls representing this contribution item.
void	fill(Menu parent, int index) Fills the given menu with controls representing this contribution item.
void	fill(ToolBar parent, int index) Fills the given tool bar with controls representing this contribution item.
IContributionItem	find(String id) Finds the contribution item with the given id.
IMenuManager	findMenuUsingPath(String path) The menu returned is wrapped within a SubMenuManager to monitor additions and removals.
IContributionItem	findUsingPath(String path) Finds the contribution item at the given path.
String	getId() Returns the identifier of this contribution item.
protected IMenuManager	getParentMenuManager() Returns the parent menu manager that this sub-manager contributes to.
boolean	getRemoveAllWhenShown() Returns whether all items should be removed when the menu is first shown, but before notifying menu listeners.
protected IMenuManager	getWrapper(IMenuManager mgr) Returns the menu wrapper for a menu manager.
boolean	isDynamic() Returns whether this contribution item is dynamic.
boolean	isEnabled() Returns whether this menu should be enabled or not.
boolean	isGroupMarker() Returns whether this contribution item is a group marker.
boolean	isSeparator() Returns whether this contribution item is a separator.
boolean	isVisible() Returns whether this contribution item is visibile within its manager.
void	removeAll() Remove all contribution items.
void	removeMenuListener(IMenuListener listener) Removes the given menu listener from this menu.
void	saveWidgetState() Saves any state information of the control(s) owned by this contribution item.
void	setParent(IContributionManager parent) Sets the parent manager of this item
void	setRemoveAllWhenShown(boolean removeAll) Sets whether all items should be removed when the menu is first shown, but before notifying menu listeners.
void	setVisible(boolean visible) Sets whether this contribution item is visibile within its manager.
void	update() Updates any SWT controls cached by this contribution item with any changes which have been made to this contribution item since the last update.
void	update(boolean force) Updates this manager's underlying widget(s) with any changes which have been made to it or its items.
void	update(String id) Updates any SWT controls cached by this contribution item with changes for the the given property.
void	updateAll(boolean force) Incrementally builds the menu from the contribution items, and does so recursively for all submenus.
protected SubMenuManager	wrapMenu(IMenuManager menu) Wraps a menu manager in a sub menu manager, and returns the new wrapper.

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

add, add, appendToGroup, appendToGroup, getItems, getOverrides, getParent, insertAfter, insertAfter, insertBefore, insertBefore, isDirty, isEmpty, itemAdded, itemRemoved, items, markDirty, prependToGroup, prependToGroup, remove, remove, unwrap, wrap

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.jface.action.IContributionManager

add, add, appendToGroup, appendToGroup, getItems, getOverrides, insertAfter, insertAfter, insertBefore, insertBefore, isDirty, isEmpty, markDirty, prependToGroup, prependToGroup, remove, remove

Methods inherited from interface org.eclipse.jface.action.IContributionItem

isDirty

Constructor Detail

SubMenuManager

public SubMenuManager(IMenuManager mgr)

Constructs a new manager.

Parameters:

mgr - the parent manager. All contributions made to the SubMenuManager are forwarded and appear in the parent manager.

Method Detail

addMenuListener

public void addMenuListener(IMenuListener listener)

Description copied from interface: IMenuManager

Adds a menu listener to this menu. Has no effect if an identical listener is already registered.

Specified by:

addMenuListener in interface IMenuManager

Parameters:

listener - a menu listener

dispose

public void dispose()

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

Specified by:

dispose in interface IContributionItem

disposeManager

public void disposeManager()

Description copied from class: SubContributionManager

Disposes this sub contribution manager, removing all its items and cleaning up any other resources allocated by it. This must leave no trace of this sub contribution manager in the parent manager. Subclasses may extend.

Overrides:

disposeManager in class SubContributionManager

fill

public void fill(Composite parent)

Description copied from interface: IContributionItem

Fills the given composite control with controls representing this contribution item. Used by StatusLineManager.

Specified by:

fill in interface IContributionItem

Parameters:

parent - the parent control

fill

public void fill(CoolBar parent,
                 int index)

Description copied from interface: IContributionItem

Fills the given cool bar with controls representing this contribution item. Used by CoolBarManager.

Specified by:

fill in interface IContributionItem

Parameters:

parent - the parent cool bar

index - the index where the controls are inserted, or -1 to insert at the end

fill

public void fill(Menu parent,
                 int index)

Description copied from interface: IContributionItem

Fills the given menu with controls representing this contribution item. Used by MenuManager.

Specified by:

fill in interface IContributionItem

Parameters:

parent - the parent menu

index - the index where the controls are inserted, or -1 to insert at the end

fill

public void fill(ToolBar parent,
                 int index)

Description copied from interface: IContributionItem

Fills the given tool bar with controls representing this contribution item. Used by ToolBarManager.

Specified by:

fill in interface IContributionItem

Parameters:

parent - the parent tool bar

index - the index where the controls are inserted, or -1 to insert at the end

find

public IContributionItem find(String id)

Description copied from interface: IContributionManager

Finds the contribution item with the given id.

Specified by:

find in interface IContributionManager

Overrides:

find in class SubContributionManager

findMenuUsingPath

public IMenuManager findMenuUsingPath(String path)

The menu returned is wrapped within a SubMenuManager to monitor additions and removals. If the visibility of this menu is modified the visibility of the submenus is also modified.

Specified by:

findMenuUsingPath in interface IMenuManager

Parameters:

path - the path string

Returns:

the menu contribution item, or null if there is no such contribution item or if the item does not have an associated menu manager

findUsingPath

public IContributionItem findUsingPath(String path)

Description copied from interface: IMenuManager

Finds the contribution item at the given path. A path consists of contribution item ids separated by the separator character. The path separator character is '/'.

Specified by:

findUsingPath in interface IMenuManager

Parameters:

path - the path string

Returns:

the contribution item, or null if there is no such contribution item

getId

public String getId()

Description copied from interface: IContributionItem

Returns the identifier of this contribution item. The id is used for retrieving an item from its manager.

Specified by:

getId in interface IContributionItem

Returns:

the contribution item identifier, or null if none

getParentMenuManager

protected final IMenuManager getParentMenuManager()

Returns the parent menu manager that this sub-manager contributes to.

getRemoveAllWhenShown

public boolean getRemoveAllWhenShown()

Description copied from interface: IMenuManager

Returns whether all items should be removed when the menu is first shown, but before notifying menu listeners. The default is false.

Specified by:

getRemoveAllWhenShown in interface IMenuManager

Returns:

true if all items should be removed when shown, false if not

getWrapper

protected IMenuManager getWrapper(IMenuManager mgr)

Returns the menu wrapper for a menu manager.

The sub menus within this menu are wrapped within a SubMenuManager to monitor additions and removals. If the visibility of this menu is modified the visibility of the sub menus is also modified.

Returns:

the menu wrapper

isDynamic

public boolean isDynamic()

Description copied from interface: IContributionItem

Returns whether this contribution item is dynamic. A dynamic contribution item contributes items conditionally, dependent on some internal state.

Specified by:

isDynamic in interface IContributionItem

Returns:

true if this item is dynamic, and false for normal items

isEnabled

public boolean isEnabled()

Description copied from interface: IMenuManager

Returns whether this menu should be enabled or not.

Specified by:

isEnabled in interface IMenuManager

Returns:

true if enabled, and false if disabled

isGroupMarker

public boolean isGroupMarker()

Description copied from interface: IContributionItem

Returns whether this contribution item is a group marker. This information is used when adding items to a group.

Specified by:

isGroupMarker in interface IContributionItem

Returns:

true if this item is a group marker, and false for normal items

See Also:

GroupMarker, IContributionManager.appendToGroup(java.lang.String, org.eclipse.jface.action.IAction), IContributionManager.prependToGroup(java.lang.String, org.eclipse.jface.action.IAction)

isSeparator

public boolean isSeparator()

Description copied from interface: IContributionItem

Returns whether this contribution item is a separator. This information is used to enable hiding of unnecessary separators.

Specified by:

isSeparator in interface IContributionItem

Returns:

true if this item is a separator, and false for normal items

See Also:

Separator

isVisible

public boolean isVisible()

Description copied from interface: IContributionItem

Returns whether this contribution item is visibile within its manager.

Specified by:

isVisible in interface IContributionItem

Overrides:

isVisible in class SubContributionManager

Returns:

true if the manager is visible

removeAll

public void removeAll()

Remove all contribution items.

Specified by:

removeAll in interface IContributionManager

Overrides:

removeAll in class SubContributionManager

removeMenuListener

public void removeMenuListener(IMenuListener listener)

Description copied from interface: IMenuManager

Removes the given menu listener from this menu. Has no effect if an identical listener is not registered.

Specified by:

removeMenuListener in interface IMenuManager

Parameters:

listener - the menu listener

saveWidgetState

public void saveWidgetState()

Description copied from interface: IContributionItem

Saves any state information of the control(s) owned by this contribution item. The contribution manager calls this method before disposing of the controls.

Specified by:

saveWidgetState in interface IContributionItem

setParent

public void setParent(IContributionManager parent)

Description copied from interface: IContributionItem

Sets the parent manager of this item

Specified by:

setParent in interface IContributionItem

Parameters:

parent - the parent contribution manager

setRemoveAllWhenShown

public void setRemoveAllWhenShown(boolean removeAll)

Description copied from interface: IMenuManager

Sets whether all items should be removed when the menu is first shown, but before notifying menu listeners.

Specified by:

setRemoveAllWhenShown in interface IMenuManager

Parameters:

removeAll - true if all items should be removed when shown, false if not

setVisible

public void setVisible(boolean visible)

Description copied from interface: IContributionItem

Sets whether this contribution item is visibile within its manager.

Specified by:

setVisible in interface IContributionItem

Overrides:

setVisible in class SubContributionManager

Parameters:

visible - the new visibility

update

public void update()

Description copied from interface: IContributionItem

Updates any SWT controls cached by this contribution item with any changes which have been made to this contribution item since the last update. Called by contribution manager update methods.

Specified by:

update in interface IContributionItem

update

public void update(boolean force)

Description copied from interface: IContributionManager

Updates this manager's underlying widget(s) with any changes which have been made to it or its items. Normally changes to a contribution manager merely mark it as dirty, without updating the underlying widgets. This brings the underlying widgets up to date with any changes.

Specified by:

update in interface IContributionManager

Parameters:

force - true means update even if not dirty, and false for normal incremental updating

update

public void update(String id)

Description copied from interface: IContributionItem

Updates any SWT controls cached by this contribution item with changes for the the given property.

Specified by:

update in interface IContributionItem

Parameters:

id - the id of the changed property

updateAll

public void updateAll(boolean force)

Description copied from interface: IMenuManager

Incrementally builds the menu from the contribution items, and does so recursively for all submenus.

Specified by:

updateAll in interface IMenuManager

Parameters:

force - true means update even if not dirty, and false for normal incremental updating

wrapMenu

protected SubMenuManager wrapMenu(IMenuManager menu)

Wraps a menu manager in a sub menu manager, and returns the new wrapper.