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/*******************************************************************************
* Copyright (c) 2011 Wind River Systems, Inc. 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.tcf.ui.dialogs;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.IMessageProvider;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ColumnWeightData;
import org.eclipse.jface.viewers.DecoratingLabelProvider;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.TableLayout;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.TableColumn;
import org.eclipse.tcf.protocol.Protocol;
import org.eclipse.tcf.te.tcf.ui.internal.help.IContextHelpIds;
import org.eclipse.tcf.te.tcf.ui.internal.navigator.LabelProviderDelegate;
import org.eclipse.tcf.te.tcf.ui.nls.Messages;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.ILocatorModel;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerModel;
import org.eclipse.tcf.te.tcf.locator.interfaces.services.ILocatorModelLookupService;
import org.eclipse.tcf.te.tcf.locator.model.Model;
import org.eclipse.tcf.te.ui.jface.dialogs.CustomTitleAreaDialog;
import org.eclipse.tcf.te.ui.swt.SWTControlUtil;
/**
* TCF agent selection dialog implementation.
*/
public class AgentSelectionDialog extends CustomTitleAreaDialog {
// The list of remote services the agents must provide to be included
/* default */ final String[] services;
// The table viewer
private TableViewer viewer;
// The selection. Will be filled in if either "OK" or "Cancel" is pressed
private ISelection selection;
/**
* Constructor.
*
* @param services The list of (remote) services the agents must provide to be selectable, or <code>null</code>.
*/
public AgentSelectionDialog(String[] services) {
this(null, services);
}
/**
* Constructor.
*
* @param parent The parent shell used to view the dialog, or <code>null</code>.
* @param services The list of (remote) services the agents must provide to be selectable, or <code>null</code>.
*/
public AgentSelectionDialog(Shell parent, String[] services) {
super(parent, IContextHelpIds.AGENT_SELECTION_DIALOG);
this.services = services != null && services.length > 0 ? services : null;
}
/* (non-Javadoc)
* @see org.eclipse.jface.dialogs.Dialog#isResizable()
*/
@Override
protected boolean isResizable() {
return true;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.ui.jface.dialogs.CustomTitleAreaDialog#createDialogArea(org.eclipse.swt.widgets.Composite)
*/
@Override
protected Control createDialogArea(Composite parent) {
Composite top = (Composite)super.createDialogArea(parent);
setDialogTitle(getDialogTitle());
setTitle(getTitle());
setDefaultMessage(getDefaultMessage(), IMessageProvider.NONE);
// Create the table viewer
viewer = new TableViewer(top, SWT.MULTI | SWT.BORDER);
// Configure the table
Table table = viewer.getTable();
@SuppressWarnings("unused")
TableColumn column = new TableColumn(table, SWT.LEFT);
TableLayout tableLayout = new TableLayout();
tableLayout.addColumnData(new ColumnWeightData(100));
table.setLayout(tableLayout);
GridData layoutData = new GridData(SWT.FILL, SWT.FILL, true, true);
table.setLayoutData(layoutData);
viewer.setContentProvider(new ArrayContentProvider());
LabelProviderDelegate labelProvider = new LabelProviderDelegate() {
/* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.ui.internal.navigator.LabelProviderDelegate#decorateImage(org.eclipse.swt.graphics.Image, java.lang.Object)
*/
@Override
public Image decorateImage(Image image, Object element) {
return image;
}
};
viewer.setLabelProvider(new DecoratingLabelProvider(labelProvider, labelProvider));
// The content to show is static. Do the filtering manually so that
// we can disable the OK Button if the dialog would not show any content.
final ILocatorModelLookupService service = getModel().getService(ILocatorModelLookupService.class);
final List<IPeerModel> nodes = new ArrayList<IPeerModel>();
if (service != null) {
Protocol.invokeAndWait(new Runnable() {
@Override
public void run() {
nodes.addAll(Arrays.asList(service.lkupPeerModelBySupportedServices(null, services)));
}
});
}
viewer.setInput(nodes.size() > 0 ? nodes.toArray(new IPeerModel[nodes.size()]) : null);
return top;
}
/* (non-Javadoc)
* @see org.eclipse.jface.dialogs.TrayDialog#createButtonBar(org.eclipse.swt.widgets.Composite)
*/
@Override
protected Control createButtonBar(Composite parent) {
Control buttonBar = super.createButtonBar(parent);
// Adjust the OK button enablement
Button okButton = getButton(IDialogConstants.OK_ID);
SWTControlUtil.setEnabled(okButton, viewer.getInput() != null && ((IPeerModel[])viewer.getInput()).length > 0);
return buttonBar;
}
/**
* Returns the dialog title.
*
* @return The dialog title.
*/
protected String getDialogTitle() {
return Messages.AgentSelectionDialog_dialogTitle;
}
/**
* Returns the title.
*
* @return The title.
*/
protected String getTitle() {
return Messages.AgentSelectionDialog_title;
}
/**
* Returns the default message.
*
* @return The default message.
*/
protected String getDefaultMessage() {
return Messages.AgentSelectionDialog_message;
}
/**
* Returns the locator model instance to use for determining
* the dialogs input.
*
* @return The locator model instance.
*/
protected ILocatorModel getModel() {
return Model.getModel();
}
/**
* Returns the selection which had been set to the viewer at
* the time of closing the dialog with either "OK" or "Cancel".
*
* @return The selection or <code>null</code>.
*/
public ISelection getSelection() {
return selection;
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.ui.jface.dialogs.CustomTitleAreaDialog#okPressed()
*/
@Override
protected void okPressed() {
selection = viewer.getSelection();
super.okPressed();
}
/* (non-Javadoc)
* @see org.eclipse.jface.dialogs.Dialog#cancelPressed()
*/
@Override
protected void cancelPressed() {
selection = null;
super.cancelPressed();
}
}
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