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Java Source Code / Java Documentation » IDE Eclipse » jdt » org.eclipse.jdt.ui

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

org.eclipse.jdt.ui .StandardJavaElementContentProvider

All known Subclasses:   org.eclipse.jdt.internal.ui.workingsets .JavaWorkingSetPageContentProvider,  org.eclipse.jdt.ui .JavaElementContentProvider,  org.eclipse.jdt.internal.ui.browsing .JavaBrowsingContentProvider,  org.eclipse.jdt.internal.ui.packageview .PackageExplorerContentProvider,  org.eclipse.jdt.internal.ui.refactoring.reorg .DestinationContentProvider,  org.eclipse.jdt.internal.ui.model .JavaModelContentProvider,
StandardJavaElementContentProvider
public class StandardJavaElementContentProvider implements ITreeContentProvider,IWorkingCopyProvider(Code)
A base content provider for Java elements. It provides access to the Java element hierarchy without listening to changes in the Java model. If updating the presentation on Java model change is required than clients have to subclass, listen to Java model changes and have to update the UI using corresponding methods provided by the JFace viewers or their own UI presentation.
The following Java element hierarchy is surfaced by this content provider:

Java model (IJavaModel) Java project (IJavaProject) package fragment root (IPackageFragmentRoot) package fragment (IPackageFragment) compilation unit (ICompilationUnit) binary class file (IClassFile)

Note that when the entire Java project is declared to be package fragment root, the corresponding package fragment root element that normally appears between the Java project and the package fragments is automatically filtered out.

since:
   2.0

Field Summary
final protected static Object[] NO_CHILDREN

protected boolean fProvideMembers

protected boolean fProvideWorkingCopy


Constructor Summary
public StandardJavaElementContentProvider()
     Creates a new content provider.
public StandardJavaElementContentProvider(boolean provideMembers, boolean provideWorkingCopy)

public StandardJavaElementContentProvider(boolean provideMembers)
     Creates a new StandardJavaElementContentProvider.
Parameters:
  provideMembers - if true members below compilation units and class files are provided.

Method Summary
protected static Object[] concatenate(Object[] a1, Object[] a2)
     Note: This method is for internal use only.
public void dispose()

protected boolean exists(Object element)
     Note: This method is for internal use only.
public Object[] getChildren(Object element)

public Object[] getElements(Object parent)

protected Object[] getFolderContent(IFolder folder)
     Evaluates all children of a given IFolder .
protected Object[] getJavaProjects(IJavaModel jm)
     Note: This method is for internal use only.
protected Object[] getPackageContent(IPackageFragment fragment)
     Evaluates all children of a given IPackageFragment .
protected Object[] getPackageFragmentRootContent(IPackageFragmentRoot root)
     Evaluates all children of a given IPackageFragmentRoot .
protected Object[] getPackageFragmentRoots(IJavaProject project)
     Evaluates all children of a given IJavaProject .
public Object getParent(Object element)

public boolean getProvideMembers()
     Returns whether members are provided when asking for a compilation units or class file for its children.
public boolean getProvideWorkingCopy()

public boolean hasChildren(Object element)

public void inputChanged(Viewer viewer, Object oldInput, Object newInput)

protected Object internalGetParent(Object element)
     Note: This method is for internal use only.
protected boolean isClassPathChange(IJavaElementDelta delta)
     Note: This method is for internal use only.
protected boolean isPackageFragmentEmpty(IJavaElement element)
     Note: This method is for internal use only.
protected boolean isProjectPackageFragmentRoot(IPackageFragmentRoot root)
     Note: This method is for internal use only.
public boolean providesWorkingCopies()

public void setProvideMembers(boolean b)
     Sets whether the content provider is supposed to return members when asking a compilation unit or class file for its children.
Parameters:
  b - if true then members are provided.
public void setProvideWorkingCopy(boolean b)

protected Object skipProjectPackageFragmentRoot(IPackageFragmentRoot root)
     Note: This method is for internal use only.

Field Detail
NO_CHILDREN
final protected static Object[] NO_CHILDREN(Code)

fProvideMembers
protected boolean fProvideMembers(Code)

fProvideWorkingCopy
protected boolean fProvideWorkingCopy(Code)

Constructor Detail
StandardJavaElementContentProvider
public StandardJavaElementContentProvider()(Code)
Creates a new content provider. The content provider does not provide members of compilation units or class files.

StandardJavaElementContentProvider
public StandardJavaElementContentProvider(boolean provideMembers, boolean provideWorkingCopy)(Code)
StandardJavaElementContentProvider.StandardJavaElementContentProvider(boolean)

StandardJavaElementContentProvider
public StandardJavaElementContentProvider(boolean provideMembers)(Code)
Creates a new StandardJavaElementContentProvider.
Parameters:
  provideMembers - if true members below compilation units and class files are provided.

Method Detail
concatenate
protected static Object[] concatenate(Object[] a1, Object[] a2)(Code)
Note: This method is for internal use only. Clients should not call this method.

dispose
public void dispose()(Code)

exists
protected boolean exists(Object element)(Code)
Note: This method is for internal use only. Clients should not call this method.

getChildren
public Object[] getChildren(Object element)(Code)

getElements
public Object[] getElements(Object parent)(Code)

getFolderContent
protected Object[] getFolderContent(IFolder folder) throws CoreException(Code)
Evaluates all children of a given IFolder . Clients can override this method.
Parameters:
  folder - The folder to evaluate the children for. The children of the given package fragment.
exception:
  CoreException - if the folder does not exist.
since:
   3.3

getJavaProjects
protected Object[] getJavaProjects(IJavaModel jm) throws JavaModelException(Code)
Note: This method is for internal use only. Clients should not call this method.

getPackageContent
protected Object[] getPackageContent(IPackageFragment fragment) throws JavaModelException(Code)
Evaluates all children of a given IPackageFragment . Clients can override this method.
Parameters:
  fragment - The fragment to evaluate the children for. The children of the given package fragment.
exception:
  JavaModelException - if the package fragment does not exist or if anexception occurs while accessing its corresponding resource
since:
   3.3

getPackageFragmentRootContent
protected Object[] getPackageFragmentRootContent(IPackageFragmentRoot root) throws JavaModelException(Code)
Evaluates all children of a given IPackageFragmentRoot . Clients can override this method.
Parameters:
  root - The root to evaluate the children for. The children of the root
exception:
  JavaModelException - if the package fragment root does not exist or if anexception occurs while accessing its corresponding resource
since:
   3.3

getPackageFragmentRoots
protected Object[] getPackageFragmentRoots(IJavaProject project) throws JavaModelException(Code)
Evaluates all children of a given IJavaProject . Clients can override this method.
Parameters:
  project - The Java project to evaluate the children for. The children of the project. Typically these are package fragment roots but can also be other elements.
exception:
  JavaModelException - if the Java project does not exist or if anexception occurs while accessing its corresponding resource

getParent
public Object getParent(Object element)(Code)

getProvideMembers
public boolean getProvideMembers()(Code)
Returns whether members are provided when asking for a compilation units or class file for its children. true if the content provider provides members; otherwise false is returned

getProvideWorkingCopy
public boolean getProvideWorkingCopy()(Code)

hasChildren
public boolean hasChildren(Object element)(Code)

inputChanged
public void inputChanged(Viewer viewer, Object oldInput, Object newInput)(Code)

internalGetParent
protected Object internalGetParent(Object element)(Code)
Note: This method is for internal use only. Clients should not call this method.

isClassPathChange
protected boolean isClassPathChange(IJavaElementDelta delta)(Code)
Note: This method is for internal use only. Clients should not call this method.

isPackageFragmentEmpty
protected boolean isPackageFragmentEmpty(IJavaElement element) throws JavaModelException(Code)
Note: This method is for internal use only. Clients should not call this method.

isProjectPackageFragmentRoot
protected boolean isProjectPackageFragmentRoot(IPackageFragmentRoot root)(Code)
Note: This method is for internal use only. Clients should not call this method.

providesWorkingCopies
public boolean providesWorkingCopies()(Code)

setProvideMembers
public void setProvideMembers(boolean b)(Code)
Sets whether the content provider is supposed to return members when asking a compilation unit or class file for its children.
Parameters:
  b - if true then members are provided. If false compilation units and class files are theleaves provided by this content provider.

setProvideWorkingCopy
public void setProvideWorkingCopy(boolean b)(Code)

skipProjectPackageFragmentRoot
protected Object skipProjectPackageFragmentRoot(IPackageFragmentRoot root)(Code)
Note: This method is for internal use only. Clients should not call this method.

Methods inherited from java.lang.Object
native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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