--- /dev/null
+/*******************************************************************************
+ * 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 java.util.ArrayList;
+import java.util.List;
+
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Menu;
+import org.eclipse.swt.widgets.ScrollBar;
+import org.eclipse.swt.widgets.Table;
+
+import org.eclipse.jface.action.IMenuListener;
+import org.eclipse.jface.action.IMenuManager;
+import org.eclipse.jface.action.MenuManager;
+import org.eclipse.jface.action.Separator;
+import org.eclipse.jface.action.ToolBarManager;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.StructuredSelection;
+
+import org.eclipse.ui.IMemento;
+import org.eclipse.ui.IWorkbenchPartSite;
+
+import org.eclipse.jdt.core.IMethod;
+import org.eclipse.jdt.core.JavaModelException;
+
+import org.eclipse.jdt.internal.corext.util.JavaModelUtil;
+
+import org.eclipse.jdt.ui.JavaElementLabels;
+import org.eclipse.jdt.ui.actions.MemberFilterActionGroup;
+
+import org.eclipse.jdt.internal.ui.IJavaHelpContextIds;
+import org.eclipse.jdt.internal.ui.JavaPlugin;
+import org.eclipse.jdt.internal.ui.filters.SyntheticMembersFilter;
+import org.eclipse.jdt.internal.ui.util.JavaUIHelp;
+import org.eclipse.jdt.internal.ui.util.SelectionUtil;
+import org.eclipse.jdt.internal.ui.viewsupport.DecoratingJavaLabelProvider;
+import org.eclipse.jdt.internal.ui.viewsupport.ProblemTableViewer;
+
+/**
+ * Method viewer shows a list of methods of a input type.
+ * Offers filter actions.
+ * No dependency to the type hierarchy view
+ */
+public class MethodsViewer extends ProblemTableViewer {
+
+ private static final String TAG_SHOWINHERITED= "showinherited"; //$NON-NLS-1$
+ private static final String TAG_SORTBYDEFININGTYPE= "sortbydefiningtype"; //$NON-NLS-1$
+ private static final String TAG_VERTICAL_SCROLL= "mv_vertical_scroll"; //$NON-NLS-1$
+
+ private MethodsLabelProvider fLabelProvider;
+
+ private MemberFilterActionGroup fMemberFilterActionGroup;
+
+ private ShowInheritedMembersAction fShowInheritedMembersAction;
+ private SortByDefiningTypeAction fSortByDefiningTypeAction;
+
+ public MethodsViewer(Composite parent, final TypeHierarchyLifeCycle lifeCycle) {
+ super(new Table(parent, SWT.MULTI));
+
+ addFilter(new SyntheticMembersFilter());
+
+ fLabelProvider= new MethodsLabelProvider(lifeCycle, this);
+
+ setLabelProvider(new DecoratingJavaLabelProvider(fLabelProvider, true));
+ setContentProvider(new MethodsContentProvider(lifeCycle));
+
+ HierarchyViewerSorter sorter= new HierarchyViewerSorter(lifeCycle);
+ sorter.setSortByDefiningType(false);
+ setComparator(sorter);
+
+ fMemberFilterActionGroup= new MemberFilterActionGroup(this, "HierarchyMethodView", false, MemberFilterActionGroup.ALL_FILTERS & ~MemberFilterActionGroup.FILTER_LOCALTYPES); //$NON-NLS-1$
+
+ fShowInheritedMembersAction= new ShowInheritedMembersAction(this, false);
+ fSortByDefiningTypeAction= new SortByDefiningTypeAction(this, false);
+
+ showInheritedMethodsNoRedraw(false);
+ sortByDefiningTypeNoRedraw(false);
+
+ JavaUIHelp.setHelp(this, IJavaHelpContextIds.TYPE_HIERARCHY_VIEW);
+ }
+
+ private void showInheritedMethodsNoRedraw(boolean on) {
+ MethodsContentProvider cprovider= (MethodsContentProvider) getContentProvider();
+ cprovider.showInheritedMethods(on);
+ fShowInheritedMembersAction.setChecked(on);
+ if (on) {
+ fLabelProvider.setTextFlags(fLabelProvider.getTextFlags() | JavaElementLabels.ALL_POST_QUALIFIED);
+ } else {
+ fLabelProvider.setTextFlags(fLabelProvider.getTextFlags() & ~JavaElementLabels.ALL_POST_QUALIFIED);
+ }
+ if (on) {
+ sortByDefiningTypeNoRedraw(false);
+ }
+ fSortByDefiningTypeAction.setEnabled(!on);
+
+ }
+
+ /**
+ * Show inherited methods
+ * @param on the new state
+ */
+ public void showInheritedMethods(boolean on) {
+ if (on == isShowInheritedMethods()) {
+ return;
+ }
+ try {
+ getTable().setRedraw(false);
+ showInheritedMethodsNoRedraw(on);
+ refresh();
+ } finally {
+ getTable().setRedraw(true);
+ }
+ }
+
+ private void sortByDefiningTypeNoRedraw(boolean on) {
+ fSortByDefiningTypeAction.setChecked(on);
+ fLabelProvider.setShowDefiningType(on);
+ ((HierarchyViewerSorter) getComparator()).setSortByDefiningType(on);
+ }
+
+ /**
+ * Show the name of the defining type
+ * @param on the new state
+ */
+ public void sortByDefiningType(boolean on) {
+ if (on == isShowDefiningTypes()) {
+ return;
+ }
+ try {
+ getTable().setRedraw(false);
+ sortByDefiningTypeNoRedraw(on);
+ refresh();
+ } finally {
+ getTable().setRedraw(true);
+ }
+ }
+
+ /*
+ * @see Viewer#inputChanged(Object, Object)
+ */
+ @Override
+ protected void inputChanged(Object input, Object oldInput) {
+ super.inputChanged(input, oldInput);
+ }
+
+ /**
+ * Returns <code>true</code> if inherited methods are shown.
+ * @return <code>true</code> if inherited methods are shown.
+ */
+ public boolean isShowInheritedMethods() {
+ return ((MethodsContentProvider) getContentProvider()).isShowInheritedMethods();
+ }
+
+ /**
+ * Returns <code>true</code> if defining types are shown.
+ * @return <code>true</code> if defining types are shown.
+ */
+ public boolean isShowDefiningTypes() {
+ return fLabelProvider.isShowDefiningType();
+ }
+
+ /**
+ * Saves the state of the filter actions
+ * @param memento the memento
+ */
+ public void saveState(IMemento memento) {
+ fMemberFilterActionGroup.saveState(memento);
+
+ memento.putString(TAG_SHOWINHERITED, String.valueOf(isShowInheritedMethods()));
+ memento.putString(TAG_SORTBYDEFININGTYPE, String.valueOf(isShowDefiningTypes()));
+
+ ScrollBar bar= getTable().getVerticalBar();
+ int position= bar != null ? bar.getSelection() : 0;
+ memento.putString(TAG_VERTICAL_SCROLL, String.valueOf(position));
+ }
+
+ /**
+ * Restores the state of the filter actions
+ * @param memento the memento
+ */
+ public void restoreState(IMemento memento) {
+ fMemberFilterActionGroup.restoreState(memento);
+ getControl().setRedraw(false);
+ refresh();
+ getControl().setRedraw(true);
+
+ boolean showInherited= Boolean.valueOf(memento.getString(TAG_SHOWINHERITED)).booleanValue();
+ showInheritedMethods(showInherited);
+
+ boolean showDefiningTypes= Boolean.valueOf(memento.getString(TAG_SORTBYDEFININGTYPE)).booleanValue();
+ sortByDefiningType(showDefiningTypes);
+
+ ScrollBar bar= getTable().getVerticalBar();
+ if (bar != null) {
+ Integer vScroll= memento.getInteger(TAG_VERTICAL_SCROLL);
+ if (vScroll != null) {
+ bar.setSelection(vScroll.intValue());
+ }
+ }
+ }
+
+ /**
+ * Attaches a contextmenu listener to the table
+ * @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(getTable());
+ getTable().setMenu(menu);
+ viewSite.registerContextMenu(popupId, menuMgr, this);
+ }
+
+
+ /**
+ * Fills up the context menu with items for the method viewer
+ * Should be called by the creator of the context menu
+ * @param menu teh menu manager
+ */
+ public void contributeToContextMenu(IMenuManager menu) {
+ }
+
+ /**
+ * Fills up the tool bar with items for the method viewer
+ * Should be called by the creator of the tool bar
+ * @param tbm the tool bar manager
+ */
+ public void contributeToToolBar(ToolBarManager tbm) {
+ tbm.add(fShowInheritedMembersAction);
+ tbm.add(fSortByDefiningTypeAction);
+ tbm.add(new Separator());
+ fMemberFilterActionGroup.contributeToToolBar(tbm);
+ }
+
+ public void dispose() {
+ if (fMemberFilterActionGroup != null) {
+ fMemberFilterActionGroup.dispose();
+ fMemberFilterActionGroup= null;
+ }
+ }
+
+ /*
+ * @see StructuredViewer#handleInvalidSelection(ISelection, ISelection)
+ */
+ @Override
+ protected void handleInvalidSelection(ISelection invalidSelection, ISelection newSelection) {
+ // on change of input, try to keep selected methods stable by selecting a method with the same
+ // signature: See #5466
+ List<?> oldSelections= SelectionUtil.toList(invalidSelection);
+ List<?> newSelections= SelectionUtil.toList(newSelection);
+ if (!oldSelections.isEmpty()) {
+ ArrayList<Object> newSelectionElements= new ArrayList<Object>(newSelections);
+ try {
+ Object[] currElements= getFilteredChildren(getInput());
+ for (int i= 0; i < oldSelections.size(); i++) {
+ Object curr= oldSelections.get(i);
+ if (curr instanceof IMethod && !newSelections.contains(curr)) {
+ IMethod method= (IMethod) curr;
+ if (method.exists()) {
+ IMethod similar= findSimilarMethod(method, currElements);
+ if (similar != null) {
+ newSelectionElements.add(similar);
+ }
+ }
+ }
+ }
+ if (!newSelectionElements.isEmpty()) {
+ newSelection= new StructuredSelection(newSelectionElements);
+ } else if (currElements.length > 0) {
+ newSelection= new StructuredSelection(currElements[0]);
+ }
+ } catch (JavaModelException e) {
+ JavaPlugin.log(e);
+ }
+ }
+ setSelection(newSelection);
+ updateSelection(newSelection);
+ }
+
+ private IMethod findSimilarMethod(IMethod meth, Object[] elements) throws JavaModelException {
+ String name= meth.getElementName();
+ String[] paramTypes= meth.getParameterTypes();
+ boolean isConstructor= meth.isConstructor();
+
+ for (int i= 0; i < elements.length; i++) {
+ Object curr= elements[i];
+ if (curr instanceof IMethod && JavaModelUtil.isSameMethodSignature(name, paramTypes, isConstructor, (IMethod) curr)) {
+ return (IMethod) curr;
+ }
+ }
+ return null;
+ }
+
+
+
+}
git://git.uio.no / ifi-stolz-refaktor.git / blobdiff