Package com.intellij.ui.tree.project

Class ProjectFileNodeUpdater

java.lang.Object

com.intellij.ui.tree.project.ProjectFileNodeUpdater

public abstract class ProjectFileNodeUpdater
extends java.lang.Object

Constructor Summary

Constructors

Constructor and Description
ProjectFileNodeUpdater(Project project, Invoker invoker)

Method Summary

Modifier and Type	Method and Description
protected int	getUpdatingDelay()
void	updateFromElement(PsiElement element) Notifies that the specified PSI element is changed.
void	updateFromFile(VirtualFile file) Notifies that the specified file (or folder) is changed.
void	updateFromRoot() Notifies that project roots are changed.
void	updateImmediately(java.lang.Runnable onDone) Notifies that all collected files should be reported as soon as possible.
protected abstract void	updateStructure(boolean fromRoot, java.util.Set<? extends VirtualFile> updatedFiles) This method is called on invoker's thread to report changes in virtual files.

Methods inherited from class java.lang.Object

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

Constructor Detail

ProjectFileNodeUpdater

public ProjectFileNodeUpdater(Project project,
                              Invoker invoker)

Method Detail

updateFromRoot

public void updateFromRoot()

Notifies that project roots are changed. The onInvokerThread(boolean) method will be executed with a small delay after calling of this method.

See Also:

getUpdatingDelay()

updateFromFile

public void updateFromFile(VirtualFile file)

Notifies that the specified file (or folder) is changed. The onInvokerThread(boolean) method will be executed with a small delay after last calling of this method, i.e. a bunch of modified files will be reported together.

Parameters:

file - a modified virtual file

See Also:

getUpdatingDelay()

updateFromElement

public void updateFromElement(PsiElement element)

Notifies that the specified PSI element is changed. If this element corresponds to a virtual file, it will be marked as changed.

Parameters:

element - a modified PSI element

See Also:

updateFromFile(com.intellij.openapi.vfs.VirtualFile)

updateImmediately

public void updateImmediately(java.lang.Runnable onDone)

Notifies that all collected files should be reported as soon as possible. Usually, it is needed to find an added file in a tree right after adding.

getUpdatingDelay

protected int getUpdatingDelay()

Returns:

a delay between an event and the onInvokerThread(boolean) method calling, that is used to collect a bunch of changes

updateStructure

protected abstract void updateStructure(boolean fromRoot,
                                        java.util.Set<? extends VirtualFile> updatedFiles)

This method is called on invoker's thread to report changes in virtual files.

Parameters:

fromRoot - true if roots are changed

updatedFiles - a set of modified files