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/*******************************************************************************
* Copyright (c) 2011, 2012 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.editor.sections;
import java.util.Map;
import java.util.concurrent.atomic.AtomicBoolean;
import org.eclipse.core.runtime.Assert;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Text;
import org.eclipse.tcf.protocol.Protocol;
import org.eclipse.tcf.te.runtime.interfaces.properties.IPropertiesContainer;
import org.eclipse.tcf.te.runtime.properties.PropertiesContainer;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerModel;
import org.eclipse.tcf.te.tcf.locator.interfaces.nodes.IPeerModelProperties;
import org.eclipse.tcf.te.tcf.locator.interfaces.services.ILocatorModelPeerNodeQueryService;
import org.eclipse.tcf.te.tcf.ui.nls.Messages;
import org.eclipse.tcf.te.ui.forms.parts.AbstractSection;
import org.eclipse.tcf.te.ui.swt.SWTControlUtil;
import org.eclipse.tcf.te.ui.views.editor.pages.AbstractEditorPage;
import org.eclipse.ui.forms.IManagedForm;
import org.eclipse.ui.forms.widgets.ExpandableComposite;
import org.eclipse.ui.forms.widgets.FormToolkit;
import org.eclipse.ui.forms.widgets.Section;
/**
* Peer services section implementation.
*/
public class ServicesSection extends AbstractSection {
// The section sub controls
private Text local;
private Text remote;
// Reference to the original data object
/* default */ IPeerModel od;
// Reference to a copy of the original data
/* default */ final IPropertiesContainer odc = new PropertiesContainer();
/**
* Constructor.
*
* @param form The parent managed form. Must not be <code>null</code>.
* @param parent The parent composite. Must not be <code>null</code>.
*/
public ServicesSection(IManagedForm form, Composite parent) {
super(form, parent, Section.DESCRIPTION | ExpandableComposite.TWISTIE);
createClient(getSection(), form.getToolkit());
}
/* (non-Javadoc)
* @see org.eclipse.tcf.te.ui.forms.parts.AbstractSection#createClient(org.eclipse.ui.forms.widgets.Section, org.eclipse.ui.forms.widgets.FormToolkit)
*/
@Override
protected void createClient(Section section, FormToolkit toolkit) {
Assert.isNotNull(section);
Assert.isNotNull(toolkit);
// Configure the section
section.setText(Messages.ServicesSection_title);
section.setDescription(Messages.ServicesSection_description);
section.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
// Create the section client
Composite client = createClientContainer(section, 1, toolkit);
Assert.isNotNull(client);
section.setClient(client);
Group group = new Group(client, SWT.NONE);
group.setText(Messages.ServicesSection_group_local_title);
group.setLayout(new GridLayout());
group.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
local = new Text(group, SWT.READ_ONLY | SWT.WRAP | SWT.MULTI);
GridData layoutData = new GridData(SWT.FILL, SWT.CENTER, true, false);
layoutData.widthHint = SWTControlUtil.convertWidthInCharsToPixels(local, 20);
layoutData.heightHint = SWTControlUtil.convertHeightInCharsToPixels(local, 5);
local.setLayoutData(layoutData);
group = new Group(client, SWT.NONE);
group.setText(Messages.ServicesSection_group_remote_title);
group.setLayout(new GridLayout());
group.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
remote = new Text(group, SWT.READ_ONLY | SWT.WRAP | SWT.MULTI);
layoutData = new GridData(SWT.FILL, SWT.CENTER, true, false);
layoutData.widthHint = SWTControlUtil.convertWidthInCharsToPixels(local, 20);
layoutData.heightHint = SWTControlUtil.convertHeightInCharsToPixels(remote, 5);
remote.setLayoutData(layoutData);
}
/**
* Indicates whether the sections parent page has become the active in the editor.
*
* @param active <code>True</code> if the parent page should be visible, <code>false</code> otherwise.
*/
public void setActive(boolean active) {
// If the parent page has become the active and it does not contain
// unsaved data, than fill in the data from the selected node
if (active) {
// Leave everything unchanged if the page is in dirty state
if (getManagedForm().getContainer() instanceof AbstractEditorPage
&& !((AbstractEditorPage)getManagedForm().getContainer()).isDirty()) {
Object node = ((AbstractEditorPage)getManagedForm().getContainer()).getEditorInputNode();
if (node instanceof IPeerModel) {
setupData((IPeerModel)node);
}
}
}
}
/**
* Initialize the page widgets based of the data from the given peer node.
* <p>
* This method may called multiple times during the lifetime of the page and
* the given configuration node might be even <code>null</code>.
*
* @param node The peer node or <code>null</code>.
*/
public void setupData(final IPeerModel node) {
// Store a reference to the original data
od = node;
// Clean the original data copy
odc.clearProperties();
// If no data is available, we are done
if (node == null) return;
// Trigger the query of the services provided by the node
final AtomicBoolean needQueryServices = new AtomicBoolean();
Protocol.invokeAndWait(new Runnable() {
@Override
public void run() {
needQueryServices.set(node.getStringProperty(IPeerModelProperties.PROP_LOCAL_SERVICES) != null
|| node.getStringProperty(IPeerModelProperties.PROP_REMOTE_SERVICES) != null);
}
});
if (needQueryServices.get()) {
node.getModel().getService(ILocatorModelPeerNodeQueryService.class).queryLocalServices(node);
}
// Thread access to the model is limited to the executors thread.
// Copy the data over to the working copy to ease the access.
Protocol.invokeAndWait(new Runnable() {
@Override
public void run() {
Map<String, Object> properties = od.getProperties();
odc.setProperties(properties);
}
});
String value = odc.getStringProperty(IPeerModelProperties.PROP_LOCAL_SERVICES);
SWTControlUtil.setText(local, value != null ? value : ""); //$NON-NLS-1$
value = odc.getStringProperty(IPeerModelProperties.PROP_REMOTE_SERVICES);
SWTControlUtil.setText(remote, value != null ? value : ""); //$NON-NLS-1$
}
}
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