/*******************************************************************************
* Copyright (c) 2000, 2015 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
* Lars Vogel <Lars.Vogel@vogella.com> - Bug 472654
*******************************************************************************/
package org.eclipse.e4.ui.internal.workbench.renderers.swt;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.e4.ui.model.application.ui.MDirtyable;
import org.eclipse.e4.ui.model.application.ui.MElementContainer;
import org.eclipse.e4.ui.model.application.ui.MUIElement;
import org.eclipse.e4.ui.model.application.ui.MUILabel;
import org.eclipse.e4.ui.model.application.ui.advanced.MPlaceholder;
import org.eclipse.e4.ui.model.application.ui.basic.MPart;
import org.eclipse.e4.ui.workbench.modeling.EPartService;
import org.eclipse.e4.ui.workbench.renderers.swt.StackRenderer;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ColumnLabelProvider;
import org.eclipse.jface.viewers.ColumnViewerToolTipSupport;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.ViewerComparator;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.CTabItem;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.graphics.FontData;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
public class BasicPartList extends AbstractTableInformationControl {
private class BasicStackListLabelProvider extends ColumnLabelProvider {
private Font boldFont;
public BasicStackListLabelProvider() {
Font font = Display.getDefault().getSystemFont();
FontData[] fontDatas = font.getFontData();
for (FontData fontData : fontDatas) {
fontData.setStyle(fontData.getStyle() | SWT.BOLD);
}
boldFont = new Font(Display.getDefault(), fontDatas);
}
@Override
public Font getFont(Object element) {
if (element instanceof MPart) {
MPart part = (MPart) element;
CTabItem item = renderer.findItemForPart(part);
if (item != null && !item.isShowing()) {
return boldFont;
}
}
return super.getFont(element);
}
@Override
public String getText(Object element) {
if (element instanceof MDirtyable
&& ((MDirtyable) element).isDirty()) {
return "*" + ((MUILabel) element).getLocalizedLabel(); //$NON-NLS-1$
}
return ((MUILabel) element).getLocalizedLabel();
}
@Override
public Image getImage(Object element) {
return renderer.getImage((MUILabel) element);
}
@Override
public String getToolTipText(Object element) {
return renderer.getToolTip((MUILabel) element);
}
@Override
public boolean useNativeToolTip(Object object) {
return true;
}
@Override
public void dispose() {
boldFont.dispose();
}
}
private MElementContainer<?> input;
private EPartService partService;
private StackRenderer renderer;
// private ISaveHandler saveHandler;
public BasicPartList(Shell parent, int shellStyle, int treeStyler,
EPartService partService, MElementContainer<?> input,
StackRenderer renderer, boolean mru) {
super(parent, shellStyle, treeStyler);
this.partService = partService;
this.input = input;
this.renderer = renderer;
// this.saveHandler = saveHandler;
if (mru && getTableViewer() != null) {
getTableViewer().setComparator(new ViewerComparator() {
@Override
public int category(Object element) {
if (element instanceof MPart) {
MPart part = (MPart) element;
CTabItem item = BasicPartList.this.renderer.findItemForPart(part);
if (item != null && !item.isShowing()) {
return -1;
}
}
return 0;
}
});
}
}
@Override
protected TableViewer createTableViewer(Composite parent, int style) {
Table table = new Table(parent, SWT.SINGLE | (style & ~SWT.MULTI));
table.setLayoutData(new GridData(SWT.BEGINNING, SWT.BEGINNING, false,
false));
TableViewer tableViewer = new TableViewer(table);
tableViewer.addFilter(new NamePatternFilter());
tableViewer.setContentProvider(ArrayContentProvider.getInstance());
tableViewer.setLabelProvider(new BasicStackListLabelProvider());
ColumnViewerToolTipSupport.enableFor(tableViewer);
return tableViewer;
}
private List<Object> getInput() {
List<Object> list = new ArrayList<>();
for (MUIElement element : input.getChildren()) {
if (element instanceof MPlaceholder) {
if (!element.isToBeRendered() || !element.isVisible()) {
continue;
}
element = ((MPlaceholder) element).getRef();
}
if (element.isToBeRendered() && element.isVisible()
&& element instanceof MPart) {
list.add(element);
}
}
return list;
}
public void setInput() {
getTableViewer().setInput(getInput());
selectFirstMatch();
}
@Override
protected void gotoSelectedElement() {
Object selectedElement = getSelectedElement();
// close the shell
dispose();
if (selectedElement instanceof MPart) {
partService.activate((MPart) selectedElement);
}
}
@Override
protected boolean deleteSelectedElement(Object selectedElement) {
if (selectedElement == null) {
selectedElement = getSelectedElement();
}
if (selectedElement instanceof MPart) {
MPart part = (MPart) selectedElement;
if (partService.savePart(part, true)) {
partService.hidePart(part);
}
if (getShell() == null) {
// Bug 421170: Contract says to return true if there are no
// elements left. In this case, there is no shell left because
// we popped a save dialog and auto-closed the list. Ergo, there
// are no elements left.
return true;
}
if (getInput().isEmpty()) {
getShell().dispose();
return true;
}
// Remove part from viewer model
List<?> viewerInput = (List<?>) getTableViewer().getInput();
viewerInput.remove(selectedElement);
}
return false;
}
}