/*******************************************************************************
* 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.wst.jsdt.internal.ui.dialogs;
import java.util.ArrayList;
import java.util.HashSet;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.ToolBarManager;
import org.eclipse.jface.dialogs.IDialogSettings;
import org.eclipse.jface.viewers.CheckboxTreeViewer;
import org.eclipse.jface.viewers.ITreeContentProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerComparator;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Link;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.dialogs.ContainerCheckedTreeViewer;
import org.eclipse.ui.dialogs.ISelectionStatusValidator;
import org.eclipse.wst.jsdt.core.IFunction;
import org.eclipse.wst.jsdt.core.IJavaScriptUnit;
import org.eclipse.wst.jsdt.core.IType;
import org.eclipse.wst.jsdt.core.JavaScriptModelException;
import org.eclipse.wst.jsdt.core.dom.ITypeBinding;
import org.eclipse.wst.jsdt.core.dom.JavaScriptUnit;
import org.eclipse.wst.jsdt.internal.corext.dom.Bindings;
import org.eclipse.wst.jsdt.internal.corext.template.java.CodeTemplateContextType;
import org.eclipse.wst.jsdt.internal.corext.util.Messages;
import org.eclipse.wst.jsdt.internal.ui.IJavaHelpContextIds;
import org.eclipse.wst.jsdt.internal.ui.JavaPluginImages;
import org.eclipse.wst.jsdt.internal.ui.JavaScriptPlugin;
import org.eclipse.wst.jsdt.internal.ui.JavaUIMessages;
import org.eclipse.wst.jsdt.internal.ui.javaeditor.CompilationUnitEditor;
import org.eclipse.wst.jsdt.internal.ui.util.ViewerPane;
import org.eclipse.wst.jsdt.internal.ui.viewsupport.BindingLabelProvider;
public class OverrideMethodDialog extends SourceActionDialog {
private static final boolean SHOW_ONLY_SUPER = true;
private class OverrideFlatTreeAction extends Action {
private boolean fToggle;
public OverrideFlatTreeAction() {
setToolTipText(JavaUIMessages.OverrideMethodDialog_groupMethodsByTypes);
JavaPluginImages.setLocalImageDescriptors(this, "impl_co.gif"); //$NON-NLS-1$
fToggle= getOverrideContentProvider().isShowTypes();
setChecked(fToggle);
}
private OverrideMethodContentProvider getOverrideContentProvider() {
return (OverrideMethodContentProvider) getContentProvider();
}
public void run() {
// http://bugs.eclipse.org/bugs/show_bug.cgi?id=39264
Object[] elementList= getOverrideContentProvider().getViewer().getCheckedElements();
fToggle= !fToggle;
setChecked(fToggle);
getOverrideContentProvider().setShowTypes(fToggle);
getOverrideContentProvider().getViewer().setCheckedElements(elementList);
}
}
private static class OverrideMethodContentProvider implements ITreeContentProvider {
private final Object[] fEmpty= new Object[0];
private IFunction[] fMethods;
private IDialogSettings fSettings;
private boolean fShowTypes;
// private Object[] fTypes;
private ContainerCheckedTreeViewer fViewer;
private final String SETTINGS_SECTION= "OverrideMethodDialog"; //$NON-NLS-1$
private final String SETTINGS_SHOWTYPES= "showtypes"; //$NON-NLS-1$
/**
* Constructor for OverrideMethodContentProvider.
*/
public OverrideMethodContentProvider() {
IDialogSettings dialogSettings= JavaScriptPlugin.getDefault().getDialogSettings();
fSettings= dialogSettings.getSection(SETTINGS_SECTION);
if (fSettings == null) {
fSettings= dialogSettings.addNewSection(SETTINGS_SECTION);
fSettings.put(SETTINGS_SHOWTYPES, true);
}
fShowTypes= fSettings.getBoolean(SETTINGS_SHOWTYPES);
}
/*
* @see IContentProvider#dispose()
*/
public void dispose() {
}
/*
* @see ITreeContentProvider#getChildren(Object)
*/
public Object[] getChildren(Object parentElement) {
if (parentElement instanceof IJavaScriptUnit) {
ArrayList result= new ArrayList(fMethods.length);
for (int index= 0; index < fMethods.length; index++) {
if (fMethods[index].getJavaScriptUnit() == parentElement)
result.add(fMethods[index]);
}
return result.toArray();
}
return fEmpty;
}
/*
* @see IStructuredContentProvider#getElements(Object)
*/
public Object[] getElements(Object inputElement) {
return fMethods;
}
/*
* @see ITreeContentProvider#getParent(Object)
*/
public Object getParent(Object element) {
if (element instanceof IFunction) {
return ((IFunction) element).getJavaScriptUnit();
}
return null;
}
public ContainerCheckedTreeViewer getViewer() {
return fViewer;
}
/*
* @see ITreeContentProvider#hasChildren(Object)
*/
public boolean hasChildren(Object element) {
return getChildren(element).length > 0;
}
public void init(IFunction[] methods) {
fMethods= methods;
//fTypes= types;
}
/*
* @see IContentProvider#inputChanged(Viewer, Object, Object)
*/
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
fViewer= (ContainerCheckedTreeViewer) viewer;
}
public boolean isShowTypes() {
return fShowTypes;
}
public void setShowTypes(boolean showTypes) {
if (fShowTypes != showTypes) {
fShowTypes= showTypes;
fSettings.put(SETTINGS_SHOWTYPES, showTypes);
if (fViewer != null)
fViewer.refresh();
}
}
}
private static class OverrideMethodComparator extends ViewerComparator {
public OverrideMethodComparator() {
}
/*
* @see ViewerSorter#compare(Viewer, Object, Object)
*/
public int compare(Viewer viewer, Object first, Object second) {
if (first instanceof ITypeBinding && second instanceof ITypeBinding) {
final ITypeBinding left= (ITypeBinding) first;
final ITypeBinding right= (ITypeBinding) second;
if (right.getQualifiedName().equals("java.lang.Object")) //$NON-NLS-1$
return -1;
if (left.isEqualTo(right))
return 0;
if (Bindings.isSuperType(left, right))
return +1;
else if (Bindings.isSuperType(right, left))
return -1;
return 0;
} else
return super.compare(viewer, first, second);
}
}
private static class OverrideMethodValidator implements ISelectionStatusValidator {
private static int fNumMethods;
public OverrideMethodValidator(int entries) {
fNumMethods= entries;
}
/*
* @see ISelectionValidator#validate(Object[])
*/
public IStatus validate(Object[] selection) {
int count= 0;
for (int index= 0; index < selection.length; index++) {
if (selection[index] instanceof IFunction)
count++;
}
if (count == 0)
return new StatusInfo(IStatus.ERROR, ""); //$NON-NLS-1$
return new StatusInfo(IStatus.INFO, Messages.format(JavaUIMessages.OverrideMethodDialog_selectioninfo_more, new String[] { String.valueOf(count), String.valueOf(fNumMethods)}));
}
}
private JavaScriptUnit fUnit= null;
public OverrideMethodDialog(Shell shell, CompilationUnitEditor editor, IType type, boolean isSubType) throws JavaScriptModelException {
super(shell, new BindingLabelProvider(), new OverrideMethodContentProvider(), editor, type, false);
// IMethod[] methods = type.getMethods();
String parentName = type.getSuperclassName();
IType superType = type.getJavaScriptProject().findType(parentName);
IFunction pMethods[] = superType.getFunctions();
IFunction tMethods[] = type.getFunctions();
IFunction parentMethods[] = new IFunction[0];
if(OverrideMethodDialog.SHOW_ONLY_SUPER){
ArrayList show = new ArrayList();
start: for(int i = 0;pMethods!=null && i<pMethods.length;i++){
for(int k=0;k<tMethods.length;k++){
if(tMethods[k].getElementName().equals(pMethods[i].getElementName())){
continue start;
}
}
show.add(pMethods[i]);
}
parentMethods = (IFunction[]) show.toArray(new IFunction[show.size()]);
}
//IMethodBinding[] toImplementArray= (IMethodBinding[]) toImplement.toArray(new IMethodBinding[toImplement.size()]);
setInitialSelections(parentMethods);
HashSet expanded= new HashSet(parentMethods.length);
for (int i= 0; i < parentMethods.length; i++) {
expanded.add(parentMethods[i]);
}
HashSet types= new HashSet(parentMethods.length);
for (int i= 0; i < parentMethods.length; i++) {
types.add(parentMethods[i]);
}
IFunction[] typesArrays= (IFunction[]) types.toArray(new IFunction[types.size()]);
ViewerComparator comparator= new OverrideMethodComparator();
if (expanded.isEmpty() && typesArrays.length > 0) {
comparator.sort(null, typesArrays);
expanded.add(typesArrays[0]);
}
setExpandedElements(expanded.toArray());
((OverrideMethodContentProvider) getContentProvider()).init(parentMethods);
setTitle(JavaUIMessages.OverrideMethodDialog_dialog_title);
setMessage(null);
setValidator(new OverrideMethodValidator(parentMethods.length));
setComparator(comparator);
setContainerMode(true);
setSize(60, 18);
setInput(new Object());
}
public JavaScriptUnit getCompilationUnit() {
return fUnit;
}
/*
* @see org.eclipse.jface.window.Window#configureShell(Shell)
*/
protected void configureShell(Shell newShell) {
super.configureShell(newShell);
PlatformUI.getWorkbench().getHelpSystem().setHelp(newShell, IJavaHelpContextIds.OVERRIDE_TREE_SELECTION_DIALOG);
}
/*
* @see org.eclipse.wst.jsdt.internal.ui.dialogs.SourceActionDialog#createLinkControl(org.eclipse.swt.widgets.Composite)
*/
protected Control createLinkControl(Composite composite) {
Link link= new Link(composite, SWT.WRAP);
link.setText(JavaUIMessages.OverrideMethodDialog_link_message);
link.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent e) {
openCodeTempatePage(CodeTemplateContextType.OVERRIDECOMMENT_ID);
}
});
link.setToolTipText(JavaUIMessages.OverrideMethodDialog_link_tooltip);
GridData gridData= new GridData(SWT.FILL, SWT.BEGINNING, true, false);
gridData.widthHint= convertWidthInCharsToPixels(40); // only expand further if anyone else requires it
link.setLayoutData(gridData);
return link;
}
/*
* @see CheckedTreeSelectionDialog#createTreeViewer(Composite)
*/
protected CheckboxTreeViewer createTreeViewer(Composite composite) {
initializeDialogUnits(composite);
ViewerPane pane= new ViewerPane(composite, SWT.BORDER | SWT.FLAT);
pane.setText(JavaUIMessages.OverrideMethodDialog_dialog_description);
CheckboxTreeViewer treeViewer= super.createTreeViewer(pane);
pane.setContent(treeViewer.getControl());
GridLayout paneLayout= new GridLayout();
paneLayout.marginHeight= 0;
paneLayout.marginWidth= 0;
paneLayout.numColumns= 1;
pane.setLayout(paneLayout);
GridData gd= new GridData(GridData.FILL_BOTH);
gd.widthHint= convertWidthInCharsToPixels(55);
gd.heightHint= convertHeightInCharsToPixels(15);
pane.setLayoutData(gd);
ToolBarManager manager= pane.getToolBarManager();
manager.add(new OverrideFlatTreeAction()); // create after tree is created
manager.update(true);
treeViewer.getTree().setFocus();
return treeViewer;
}
public boolean hasMethodsToOverride() {
return getContentProvider().getElements(null).length > 0;
}
}