/*******************************************************************************
* Copyright (c) 2000, 2011 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jdt.internal.ui.typehierarchy;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.core.runtime.Assert;
import org.eclipse.jface.action.IMenuListener;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.viewers.IContentProvider;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.ViewerFilter;
import org.eclipse.ui.IWorkbenchPartSite;
import org.eclipse.jdt.core.IMember;
import org.eclipse.jdt.core.IType;
import org.eclipse.jdt.internal.ui.viewsupport.ProblemTreeViewer;
public abstract class TypeHierarchyViewer extends ProblemTreeViewer {
HierarchyLabelProvider fLabelProvider;
public TypeHierarchyViewer(Composite parent, IContentProvider contentProvider, TypeHierarchyLifeCycle lifeCycle) {
super(new Tree(parent, SWT.SINGLE));
lifeCycle.generated_4986470495137217662(contentProvider, this);
}
public void setQualifiedTypeName(boolean on) {
fLabelProvider.generated_5816717189664349314(this, on);
}
/**
* Attaches a context menu listener to the tree.
*
* @param menuListener the menu listener
* @param popupId the popup id
* @param viewSite the view site
*/
public void initContextMenu(IMenuListener menuListener, String popupId, IWorkbenchPartSite viewSite) {
MenuManager menuMgr= new MenuManager();
menuMgr.setRemoveAllWhenShown(true);
menuMgr.addMenuListener(menuListener);
Menu menu= menuMgr.createContextMenu(getTree());
getTree().setMenu(menu);
viewSite.registerContextMenu(popupId, menuMgr, this);
}
/**
* Fills up the context menu with items for the hierarchy viewer
* Should be called by the creator of the context menu
* @param menu the menu manager
*/
public void contributeToContextMenu(IMenuManager menu) {
}
/**
* Set the member filter
* @param memberFilter the member filters to set
*/
public void setMemberFilter(IMember[] memberFilter) {
TypeHierarchyContentProvider contentProvider= getHierarchyContentProvider();
if (contentProvider != null) {
contentProvider.setMemberFilter(memberFilter);
}
}
/**
* Returns if method filtering is enabled.
* @return true
if method filtering is enabled.
*/
public boolean isMethodFiltering() {
TypeHierarchyContentProvider contentProvider= getHierarchyContentProvider();
if (contentProvider != null) {
return contentProvider.getMemberFilter() != null;
}
return false;
}
public void setWorkingSetFilter(ViewerFilter filter) {
fLabelProvider.setFilter(filter);
TypeHierarchyContentProvider contentProvider= getHierarchyContentProvider();
if (contentProvider != null) {
contentProvider.setWorkingSetFilter(filter);
}
}
/**
* Returns true if the hierarchy contains elements. Returns one of them
* With member filtering it is possible that no elements are visible
* @return one of the elements contained
*/
public Object containsElements() {
TypeHierarchyContentProvider contentProvider= getHierarchyContentProvider();
if (contentProvider != null) {
Object[] elements= contentProvider.getElements(null);
if (elements.length > 0) {
return elements[0];
}
}
return null;
}
/**
* Returns true if the hierarchy contains elements. Returns one of them
* With member filtering it is possible that no elements are visible
* @return the tree root
*/
public IType getTreeRootType() {
TypeHierarchyContentProvider contentProvider= getHierarchyContentProvider();
if (contentProvider != null) {
Object[] elements= contentProvider.getElements(null);
if (elements.length > 0 && elements[0] instanceof IType) {
return (IType) elements[0];
}
}
return null;
}
/**
* Returns true if the hierarchy contains element the element.
* @param element the element
* @return true
if element is shown
*/
public boolean isElementShown(Object element) {
return findItem(element) != null;
}
/**
* Updates the content of this viewer: refresh and expanding the tree in the way wanted.
* @param doExpand if set, update should expand
*/
public abstract void updateContent(boolean doExpand);
/*
* @see StructuredViewer#setContentProvider
* Content provider must be of type TypeHierarchyContentProvider
*/
@Override
public void setContentProvider(IContentProvider cp) {
Assert.isTrue(cp instanceof TypeHierarchyContentProvider);
super.setContentProvider(cp);
}
protected TypeHierarchyContentProvider getHierarchyContentProvider() {
return (TypeHierarchyContentProvider)getContentProvider();
}
public void generated_3182093020655792846(TypeHierarchyViewPart typehierarchyviewpart) {
setQualifiedTypeName(typehierarchyviewpart.isQualifiedTypeNamesEnabled());
setWorkingSetFilter(typehierarchyviewpart.fWorkingSetActionGroup.getWorkingSetFilter());
}
public void generated_510739697884024873(IMember elem, boolean reveal, TypeHierarchyViewPart typehierarchyviewpart) {
removePostSelectionChangedListener(typehierarchyviewpart.fSelectionChangedListener);
setSelection(elem != null ? new StructuredSelection(elem) : StructuredSelection.EMPTY, reveal);
addPostSelectionChangedListener(typehierarchyviewpart.fSelectionChangedListener);
}
}