/*******************************************************************************
* Copyright (c) 2000, 2016 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.dltk.ui.browsing;
import java.util.Arrays;
import java.util.List;
import org.eclipse.core.runtime.Assert;
import org.eclipse.dltk.core.IMember;
import org.eclipse.dltk.core.IModelElement;
import org.eclipse.dltk.core.IScriptFolder;
import org.eclipse.dltk.core.ISourceModule;
import org.eclipse.dltk.core.IType;
import org.eclipse.dltk.internal.ui.filters.NonScriptElementFilter;
import org.eclipse.dltk.ui.DLTKUIPlugin;
import org.eclipse.dltk.ui.PreferenceConstants;
import org.eclipse.dltk.ui.ScriptElementLabels;
import org.eclipse.dltk.ui.actions.SelectAllAction;
import org.eclipse.dltk.ui.viewsupport.AppearanceAwareLabelProvider;
import org.eclipse.dltk.ui.viewsupport.DecoratingModelLabelProvider;
import org.eclipse.dltk.ui.viewsupport.ScriptUILabelProvider;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.actions.ActionFactory;
public class TypesView extends ScriptBrowsingPart {
private SelectAllAction fSelectAllAction;
/**
* Creates and returns the label provider for this part.
*
* @return the label provider
* @see org.eclipse.jface.viewers.ILabelProvider
*/
@Override
protected ScriptUILabelProvider createLabelProvider() {
return new AppearanceAwareLabelProvider(
AppearanceAwareLabelProvider.DEFAULT_TEXTFLAGS
| ScriptElementLabels.T_CATEGORY,
AppearanceAwareLabelProvider.DEFAULT_IMAGEFLAGS, DLTKUIPlugin
.getDefault().getPreferenceStore());
}
@Override
protected StructuredViewer createViewer(Composite parent) {
StructuredViewer viewer = super.createViewer(parent);
// ColoredViewersManager.install(viewer);
return viewer;
}
@Override
public <T> T getAdapter(Class<T> key) {
// if (key == IShowInTargetList.class) {
// return new IShowInTargetList() {
// public String[] getShowInTargetIds() {
// return new String[] { JavaUI.ID_PACKAGES,
// IPageLayout.ID_RES_NAV };
// }
//
// };
// }
return super.getAdapter(key);
}
/**
* Adds filters the viewer of this part.
*/
@Override
protected void addFilters() {
super.addFilters();
getViewer().addFilter(new NonScriptElementFilter());
}
/**
* Answers if the given <code>element</code> is a valid input for this
* part.
*
* @param element
* the object to test
* @return <true> if the given element is a valid input
*/
@Override
protected boolean isValidInput(Object element) {
return element instanceof IScriptFolder;
}
/**
* Answers if the given <code>element</code> is a valid element for this
* part.
*
* @param element
* the object to test
* @return <true> if the given element is a valid element
*/
@Override
protected boolean isValidElement(Object element) {
if (element instanceof ISourceModule)
return super.isValidElement(((ISourceModule) element)
.getParent());
else if (element instanceof IType) {
IType type = (IType) element;
return type.getDeclaringType() == null
&& isValidElement(type.getSourceModule());
}
return false;
}
/**
* Finds the element which has to be selected in this part.
*
* @param je
* the Java element which has the focus
* @return the element to select
*/
@Override
protected IModelElement findElementToSelect(IModelElement je) {
if (je == null)
return null;
switch (je.getElementType()) {
case IModelElement.TYPE:
IType type = ((IType) je).getDeclaringType();
if (type == null)
type = (IType) je;
return type;
case IModelElement.SOURCE_MODULE:
// return getTypeForCU((ISourceModule) je);
return je;
case IModelElement.PACKAGE_DECLARATION:
return findElementToSelect(je.getParent());
default:
if (je instanceof IMember)
return findElementToSelect(((IMember) je).getDeclaringType());
return null;
}
}
/**
* Returns the context ID for the Help system
*
* @return the string used as ID for the Help context
*/
@Override
protected String getHelpContextId() {
// return IJavaHelpContextIds.TYPES_VIEW;
return ""; //$NON-NLS-1$
}
@Override
protected String getLinkToEditorKey() {
return PreferenceConstants.LINK_BROWSING_TYPES_TO_EDITOR;
}
@Override
protected void createActions() {
super.createActions();
fSelectAllAction = new SelectAllAction((TableViewer) getViewer());
}
@Override
protected void fillActionBars(IActionBars actionBars) {
super.fillActionBars(actionBars);
// Add selectAll action handlers.
actionBars.setGlobalActionHandler(ActionFactory.SELECT_ALL.getId(),
fSelectAllAction);
}
/**
* Handles selection of LogicalPackage in Packages view.
*
* @see org.eclipse.ui.ISelectionListener#selectionChanged(org.eclipse.ui.IWorkbenchPart,
* org.eclipse.jface.viewers.ISelection)
* @since 2.1
*/
@Override
public void selectionChanged(IWorkbenchPart part, ISelection selection) {
if (!needsToProcessSelectionChanged(part, selection))
return;
if (selection instanceof IStructuredSelection) {
IStructuredSelection sel = (IStructuredSelection) selection;
Object selectedElement = sel.getFirstElement();
if (sel.size() == 1 && (selectedElement instanceof LogicalPackage)) {
IScriptFolder[] fragments = ((LogicalPackage) selectedElement)
.getScriptFolders();
List selectedElements = Arrays.asList(fragments);
if (selectedElements.size() > 1) {
adjustInput(part, selectedElements);
fPreviousSelectedElement = selectedElements;
fPreviousSelectionProvider = part;
} else if (selectedElements.size() == 1)
super.selectionChanged(part, new StructuredSelection(
selectedElements.get(0)));
else
Assert.isLegal(false);
return;
}
}
super.selectionChanged(part, selection);
}
private void adjustInput(IWorkbenchPart part, List selectedElements) {
Object currentInput = getViewer().getInput();
if (!selectedElements.equals(currentInput))
setInput(selectedElements);
}
/*
* @see org.eclipse.jdt.internal.ui.browsing.JavaBrowsingPart#createDecoratingLabelProvider(org.eclipse.jdt.internal.ui.viewsupport.JavaUILabelProvider)
*/
@Override
protected DecoratingModelLabelProvider createDecoratingLabelProvider(
ScriptUILabelProvider provider) {
DecoratingModelLabelProvider decoratingLabelProvider = super
.createDecoratingLabelProvider(provider);
provider
.addLabelDecorator(new TopLevelTypeProblemsLabelDecorator(null));
return decoratingLabelProvider;
}
}