| /******************************************************************************* |
| * Copyright (c) 2000, 2018 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 |
| * |
| *******************************************************************************/ |
| package org.eclipse.dltk.internal.ui.typehierarchy; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.eclipse.dltk.core.IType; |
| import org.eclipse.dltk.core.ITypeHierarchy; |
| import org.eclipse.jface.preference.IPreferenceStore; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.ui.IWorkbenchPart; |
| |
| /** |
| * A TypeHierarchyViewer that looks like the type hierarchy view of VA/Java: |
| * Starting form Object down to the element in focus, then all subclasses from |
| * this element. Used by the TypeHierarchyViewPart which has to provide a |
| * TypeHierarchyLifeCycle on construction (shared type hierarchy) |
| */ |
| public class TraditionalHierarchyViewer extends TypeHierarchyViewer { |
| |
| public TraditionalHierarchyViewer(Composite parent, |
| TypeHierarchyLifeCycle lifeCycle, IWorkbenchPart part, |
| IPreferenceStore store) { |
| super(parent, new TraditionalHierarchyContentProvider(lifeCycle), |
| lifeCycle, part, store); |
| } |
| |
| @Override |
| public String getTitle() { |
| if (isMethodFiltering()) { |
| return TypeHierarchyMessages.TraditionalHierarchyViewer_filtered_title; |
| } |
| return TypeHierarchyMessages.TraditionalHierarchyViewer_title; |
| } |
| |
| @Override |
| public void updateContent(boolean expand) { |
| getTree().setRedraw(false); |
| refresh(); |
| |
| if (expand) { |
| TraditionalHierarchyContentProvider contentProvider = (TraditionalHierarchyContentProvider) getContentProvider(); |
| int expandLevel = contentProvider.getExpandLevel(); |
| if (isMethodFiltering()) { |
| expandLevel++; |
| } |
| expandToLevel(expandLevel); |
| } |
| getTree().setRedraw(true); |
| } |
| |
| /** |
| * Content provider for the 'traditional' type hierarchy. |
| */ |
| public static class TraditionalHierarchyContentProvider |
| extends TypeHierarchyContentProvider { |
| |
| public TraditionalHierarchyContentProvider( |
| TypeHierarchyLifeCycle provider) { |
| super(provider); |
| } |
| |
| public int getExpandLevel() { |
| ITypeHierarchy hierarchy = getHierarchy(); |
| if (hierarchy != null) { |
| IType input = hierarchy.getType(); |
| if (input != null) { |
| return getDepth(hierarchy, input) + 2; |
| } |
| return 5; |
| } |
| return 2; |
| } |
| |
| private int getDepth(ITypeHierarchy hierarchy, IType input) { |
| int max = 0; |
| IType[] superType = hierarchy.getSuperclass(input); |
| if (superType == null) { |
| return 0; |
| } |
| for (int q = 0; q < superType.length; ++q) { |
| int c = getDepth(hierarchy, superType[q]); |
| if (c > max) |
| max = c; |
| } |
| |
| return max; |
| } |
| |
| @Override |
| protected final void getRootTypes(List res) { |
| ITypeHierarchy hierarchy = getHierarchy(); |
| if (hierarchy != null) { |
| IType input = hierarchy.getType(); |
| if (input == null) { |
| IType[] classes = hierarchy.getRootClasses(); |
| for (int i = 0; i < classes.length; i++) { |
| res.add(classes[i]); |
| } |
| } else { |
| // if (Flags.isInterface(hierarchy.getCachedFlags(input))) { |
| // res.add(input); |
| // } else if (isAnonymousFromInterface(input)) { |
| // res.add(hierarchy.getSuperInterfaces(input)[0]); |
| // } else { |
| IType[] roots = hierarchy.getRootClasses(); |
| res.addAll(Arrays.asList(roots)); // something wrong with |
| // the hierarchy |
| // } |
| } |
| } |
| } |
| |
| @Override |
| protected final void getTypesInHierarchy(IType type, List res) { |
| ITypeHierarchy hierarchy = getHierarchy(); |
| if (hierarchy != null) { |
| IType[] types = hierarchy.getSubtypes(type); |
| /* |
| * if (isObject(type)) { for (int i= 0; i < types.length; i++) { |
| * IType curr= types[i]; if (!isAnonymousFromInterface(curr)) { |
| * // no anonymous classes on 'Object' -> will be children of |
| * interface res.add(curr); } } } else |
| */ { |
| boolean isHierarchyOnType = (hierarchy.getType() != null); |
| boolean isClass = true;// !Flags.isInterface(hierarchy.getCachedFlags(type)); |
| if (isClass || isHierarchyOnType) { |
| for (int i = 0; i < types.length; i++) { |
| res.add(types[i]); |
| } |
| } else { |
| // for (int i = 0; i < types.length; i++) { |
| // IType curr = types[i]; |
| // no classes implementing interfaces, only if |
| // anonymous |
| // if |
| // (Flags.isInterface(hierarchy.getCachedFlags(curr)) |
| // || isAnonymous(curr)) { |
| // res.add(curr); |
| // } |
| // } |
| } |
| } |
| } |
| } |
| |
| @Override |
| protected IType[] getParentType(IType type) { |
| ITypeHierarchy hierarchy = getHierarchy(); |
| if (hierarchy != null) { |
| return hierarchy.getSuperclass(type); |
| // don't handle interfaces |
| } |
| return null; |
| } |
| |
| } |
| } |