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/*******************************************************************************
* Copyright (c) 2010 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
******************************************************************************/
package org.eclipse.e4.tools.emf.ui.internal.common.component.dialogs;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.e4.tools.emf.ui.common.IModelResource;
import org.eclipse.e4.tools.emf.ui.internal.PatternFilter;
import org.eclipse.e4.ui.model.application.MApplication;
import org.eclipse.e4.ui.model.application.MModelComponent;
import org.eclipse.e4.ui.model.application.MModelComponents;
import org.eclipse.e4.ui.model.application.commands.MCommand;
import org.eclipse.emf.common.command.Command;
import org.eclipse.emf.edit.domain.EditingDomain;
import org.eclipse.jface.dialogs.TitleAreaDialog;
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.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
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;
public abstract class AbstractCommandSelectionDialog extends TitleAreaDialog {
private IModelResource resource;
private TableViewer viewer;
public AbstractCommandSelectionDialog(Shell parentShell, IModelResource resource) {
super(parentShell);
this.resource = resource;
}
protected abstract String getShellTitle();
protected abstract String getDialogTitle();
protected abstract String getDialogMessage();
@Override
protected Control createDialogArea(Composite parent) {
Composite composite = (Composite) super.createDialogArea(parent);
getShell().setText( getShellTitle());
setTitle( getDialogTitle() );
setMessage( getDialogMessage() );
Composite container = new Composite(composite, SWT.NONE);
container.setLayoutData(new GridData(GridData.FILL_BOTH));
container.setLayout(new GridLayout(2, false));
Label l = new Label(container, SWT.NONE);
l.setText("Command-Id");
Text searchText = new Text(container, SWT.BORDER | SWT.SEARCH | SWT.ICON_SEARCH);
searchText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
new Label(container, SWT.NONE);
viewer = new TableViewer(container);
viewer.setContentProvider(new ArrayContentProvider());
viewer.setLabelProvider(new LabelProviderImpl());
viewer.getControl().setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
viewer.addDoubleClickListener(new IDoubleClickListener() {
public void doubleClick(DoubleClickEvent event) {
okPressed();
}
});
if( resource.getRoot().get(0) instanceof MApplication ) {
MApplication app = (MApplication) resource.getRoot().get(0);
viewer.setInput(app.getCommands());
} else {
MModelComponents components = (MModelComponents)resource.getRoot().get(0);
List<MCommand> commands = new ArrayList<MCommand>();
for( MModelComponent comp : components.getComponents() ) {
commands.addAll(comp.getCommands());
}
viewer.setInput(commands);
}
final PatternFilter filter = new PatternFilter() {
@Override
protected boolean isParentMatch(Viewer viewer, Object element) {
return viewer instanceof AbstractTreeViewer && super.isParentMatch(viewer, element);
}
};
viewer.addFilter(filter);
searchText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
filter.setPattern(((Text) e.widget).getText());
viewer.refresh();
}
});
return composite;
}
@Override
protected void okPressed() {
IStructuredSelection s = (IStructuredSelection) viewer.getSelection();
if( ! s.isEmpty() ) {
Command cmd = createStoreCommand( resource.getEditingDomain(), (MCommand) s.getFirstElement() );
if( cmd.canExecute() ) {
resource.getEditingDomain().getCommandStack().execute(cmd);
super.okPressed();
}
}
}
protected abstract Command createStoreCommand( EditingDomain editingDomain, MCommand command);
private static class LabelProviderImpl extends StyledCellLabelProvider implements ILabelProvider {
public void update(final ViewerCell cell) {
MCommand cmd = (MCommand) cell.getElement();
StyledString styledString = new StyledString();
if( cmd.getCommandName() != null ) {
styledString.append(cmd.getCommandName());
}
if( cmd.getDescription() != null ) {
styledString.append(" - " + cmd.getDescription(),StyledString.DECORATIONS_STYLER);
}
if( cmd.getElementId() != null ) {
styledString.append(" - " + cmd.getElementId(),StyledString.DECORATIONS_STYLER);
}
cell.setText(styledString.getString());
cell.setStyleRanges(styledString.getStyleRanges());
}
public Image getImage(Object element) {
return null;
}
public String getText(Object element) {
MCommand command = (MCommand) element;
String s = "";
if( command.getCommandName() != null ) {
s += command.getCommandName();
}
if( command.getDescription() != null ) {
s += " " + command.getDescription();
}
if( command.getElementId() != null ) {
s += " " + command.getElementId();
}
return s;
}
}
}
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