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CloneableOpenSupport (NetBeans Windows API) - NetBeans API Javadoc 5.0.0

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org.openide.windows
Class CloneableOpenSupport

java.lang.Object
  org.openide.windows.CloneableOpenSupport

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public abstract class CloneableOpenSupport

extends Object

Simple support for an openable objects. Can be used either as an OpenCookie, ViewCookie, or CloseCookie, depending on which cookies the subclass implements.

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Nested Class Summary
static interface	CloneableOpenSupport.Env           Abstract interface that is used by CloneableOpenSupport to talk to outside world.

 

Field Summary
protected  CloneableTopComponent.Ref	allEditors           All opened editors on this file.
protected  CloneableOpenSupport.Env	env           the environment that provides connection to outside world

 

Constructor Summary

CloneableOpenSupport(CloneableOpenSupport.Env env)           New support for a given environment.

 

Method Summary
protected  boolean	canClose()           Should test whether all data is saved, and if not, prompt the user to save.
boolean	close()           Closes all components.
protected  boolean	close(boolean ask)           Closes all opened windows.
protected abstract  CloneableTopComponent	createCloneableTopComponent()           A method to create a new component.
void	edit()           Focuses existing component to view, or if none exists creates new.
protected abstract  String	messageOpened()           Message to display when an object has been opened.
protected abstract  String	messageOpening()           Message to display when an object is being opened.
void	open()           Opens and focuses or just focuses already opened CloneableTopComponent.
protected  CloneableTopComponent	openCloneableTopComponent()           Simply open for an editor.
void	view()           Focuses existing component to view, or if none exists creates new.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

env

protected CloneableOpenSupport.Env env

the environment that provides connection to outside world

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allEditors

protected CloneableTopComponent.Ref allEditors

All opened editors on this file. Warning: Treat this field like final. Internally the instance is used as WeakListener on Env validity changes. Changing the instance in subclasses would lead to breaking of that listening, thus to errorneous behaviour.

Constructor Detail

CloneableOpenSupport

public CloneableOpenSupport(CloneableOpenSupport.Env env)

New support for a given environment.

Parameters:

env - environment to take all date from/to

Method Detail

open

public void open()

Opens and focuses or just focuses already opened CloneableTopComponent.

Note: The actual processing of this method is scheduled into AWT thread in case it is called from other than the AWT thread.

See Also:

OpenCookie, openCloneableTopComponent()

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view

public void view()

Focuses existing component to view, or if none exists creates new. The default implementation simply calls open().

See Also:

ViewCookie

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edit

public void edit()

Focuses existing component to view, or if none exists creates new. The default implementation simply calls open().

See Also:

EditCookie

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close

public boolean close()

Closes all components.

Returns:

true if every component is successfully closed or false if the user cancelled the request

See Also:

CloseCookie

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close

protected boolean close(boolean ask)

Closes all opened windows.

Parameters:

ask - true if we should ask user

Returns:

true if sucesfully closed

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canClose

protected boolean canClose()

Should test whether all data is saved, and if not, prompt the user to save. The default implementation returns true.

Returns:

true if everything can be closed

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openCloneableTopComponent

protected final CloneableTopComponent openCloneableTopComponent()

Simply open for an editor.

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createCloneableTopComponent

protected abstract CloneableTopComponent createCloneableTopComponent()

A method to create a new component. Must be overridden in subclasses.

Returns:

the cloneable top component for this support

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messageOpening

protected abstract String messageOpening()

Message to display when an object is being opened.

Returns:

the message or null if nothing should be displayed

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messageOpened

protected abstract String messageOpened()

Message to display when an object has been opened.

Returns:

the message or null if nothing should be displayed

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