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/*******************************************************************************
* Copyright (c) 2010-2014 BestSolution.at 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:
* Tom Schindl <tom.schindl@bestsolution.at> - initial API and implementation
* Andrej ten Brummelhuis <andrejbrummelhuis@gmail.com> - Bug 395283
******************************************************************************/
package org.eclipse.e4.tools.emf.ui.internal.common.component.dialogs;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.runtime.IConfigurationElement;
import org.eclipse.core.runtime.IExtension;
import org.eclipse.e4.tools.emf.ui.common.IExtensionLookup;
import org.eclipse.e4.tools.emf.ui.internal.Messages;
import org.eclipse.e4.tools.emf.ui.internal.PatternFilter;
import org.eclipse.e4.tools.emf.ui.internal.common.component.ControlFactory;
import org.eclipse.e4.ui.model.application.ui.MCoreExpression;
import org.eclipse.e4.ui.model.application.ui.impl.UiPackageImpl;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.edit.command.SetCommand;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.jface.viewers.AbstractTreeViewer;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.DoubleClickEvent;
import org.eclipse.jface.viewers.IDoubleClickListener;
import org.eclipse.jface.viewers.ILabelProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.StyledCellLabelProvider;
import org.eclipse.jface.viewers.StyledString;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.jface.viewers.ViewerCell;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
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.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
@SuppressWarnings("restriction")
public class ExpressionIdDialog extends SaveDialogBoundsSettingsDialog {
private final IExtensionLookup lookup;
private TableViewer viewer;
private final EditingDomain domain;
private final MCoreExpression expression;
private final boolean liveModel;
private final Messages Messages;
public ExpressionIdDialog(Shell parentShell, IExtensionLookup lookup, MCoreExpression expression,
EditingDomain domain, boolean liveModel, Messages Messages) {
super(parentShell);
this.lookup = lookup;
this.expression = expression;
this.domain = domain;
this.liveModel = liveModel;
this.Messages = Messages;
}
@Override
protected Control createDialogArea(Composite parent) {
getShell().setText(Messages.ExpressionIdDialog_ShellTitle);
setTitle(Messages.ExpressionIdDialog_DialogTitle);
setMessage(Messages.ExpressionIdDialog_DialogMessage);
final Composite comp = (Composite) super.createDialogArea(parent);
final Composite container = new Composite(comp, SWT.NONE);
container.setLayoutData(new GridData(GridData.FILL_BOTH));
container.setLayout(new GridLayout(2, false));
Label l = new Label(container, SWT.NONE);
l.setText(Messages.ExpressionIdDialog_Id);
final Text idField = new Text(container, SWT.BORDER | SWT.SEARCH | SWT.ICON_SEARCH);
idField.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
final PatternFilter filter = new PatternFilter() {
@Override
protected boolean isParentMatch(Viewer viewer, Object element) {
return viewer instanceof AbstractTreeViewer && super.isParentMatch(viewer, element);
}
};
l = new Label(container, SWT.NONE);
viewer = new TableViewer(container);
viewer.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));
viewer.setContentProvider(new ArrayContentProvider());
viewer.setLabelProvider(new LabelProviderImpl());
viewer.addFilter(filter);
viewer.setInput(getElements(lookup));
viewer.addDoubleClickListener(new IDoubleClickListener() {
@Override
public void doubleClick(DoubleClickEvent event) {
okPressed();
}
});
ControlFactory.attachFiltering(idField, viewer, filter);
return comp;
}
@Override
protected void okPressed() {
if (!viewer.getSelection().isEmpty()) {
final IConfigurationElement el = (IConfigurationElement) ((IStructuredSelection) viewer.getSelection())
.getFirstElement();
final Command cmd = SetCommand.create(domain, expression,
UiPackageImpl.Literals.CORE_EXPRESSION__CORE_EXPRESSION_ID, el.getAttribute("id")); //$NON-NLS-1$
if (cmd.canExecute()) {
domain.getCommandStack().execute(cmd);
super.okPressed();
}
}
}
private List<IConfigurationElement> getElements(IExtensionLookup lookup) {
final List<IConfigurationElement> list = new ArrayList<IConfigurationElement>();
for (final IExtension ext : lookup.findExtensions("org.eclipse.core.expressions.definitions", liveModel)) { //$NON-NLS-1$
for (final IConfigurationElement el : ext.getConfigurationElements()) {
list.add(el);
}
}
return list;
}
static class LabelProviderImpl extends StyledCellLabelProvider implements ILabelProvider {
@Override
public void update(ViewerCell cell) {
final IConfigurationElement el = (IConfigurationElement) cell.getElement();
final StyledString str = new StyledString(el.getAttribute("id")); //$NON-NLS-1$
str.append(" - " + el.getContributor().getName(), StyledString.DECORATIONS_STYLER); //$NON-NLS-1$
cell.setText(str.getString());
cell.setStyleRanges(str.getStyleRanges());
}
@Override
public Image getImage(Object element) {
return null;
}
@Override
public String getText(Object element) {
final IConfigurationElement el = (IConfigurationElement) element;
return el.getAttribute("id") + " " + el.getContributor().getName(); //$NON-NLS-1$//$NON-NLS-2$
}
}
}
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