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/*******************************************************************************
* Copyright (c) 2007, 2018 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
*******************************************************************************/
package org.eclipse.equinox.internal.p2.ui.dialogs;
import org.eclipse.equinox.internal.p2.ui.ProvUI;
import org.eclipse.equinox.internal.p2.ui.ProvUIProvisioningListener;
import org.eclipse.equinox.internal.p2.ui.model.ProfileElement;
import org.eclipse.equinox.internal.p2.ui.viewers.*;
import org.eclipse.equinox.p2.ui.ProvisioningUI;
import org.eclipse.jface.viewers.StructuredViewer;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Font;
import org.eclipse.swt.widgets.*;
import org.eclipse.ui.dialogs.FilteredTree;
import org.eclipse.ui.dialogs.PatternFilter;
/**
* An InstalledIUGroup is a reusable UI component that displays the
* IU's in a given profile.
*
* @since 3.4
*/
public class InstalledIUGroup extends StructuredIUGroup {
private String profileId;
/**
* Create a group that represents the installed IU's.
*
* @param parent the parent composite for the group
* @param font The font to use for calculating pixel sizes. This font is
* not managed by the receiver.
* @param profileId the id of the profile whose content is being shown.
* @param columnConfig the columns to be shown
*/
public InstalledIUGroup(ProvisioningUI ui, final Composite parent, Font font, String profileId, IUColumnConfig[] columnConfig) {
super(ui, parent, font, columnConfig);
if (profileId == null)
this.profileId = ui.getProfileId();
else
this.profileId = profileId;
createGroupComposite(parent);
}
@Override
protected StructuredViewer createViewer(Composite parent) {
// Table of installed IU's
FilteredTree filteredTree = new FilteredTree(parent, SWT.MULTI | SWT.FULL_SELECTION | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER, new PatternFilter(), true);
filteredTree.getFilterControl().setFocus(); //Steal focus, consistent with org.eclipse.ui.internal.about.AboutPluginsPage
TreeViewer installedIUViewer = filteredTree.getViewer();
// Filters and sorters before establishing content, so we don't refresh unnecessarily.
IUComparator comparator = new IUComparator(IUComparator.IU_NAME);
comparator.useColumnConfig(getColumnConfig());
installedIUViewer.setComparator(comparator);
installedIUViewer.setComparer(new ProvElementComparer());
// Now the content.
installedIUViewer.setContentProvider(new DeferredQueryContentProvider());
// Now the visuals, columns before labels.
setTreeColumns(installedIUViewer.getTree());
installedIUViewer.setLabelProvider(new IUDetailsLabelProvider(null, getColumnConfig(), null));
// Input last.
installedIUViewer.setInput(getInput());
final StructuredViewerProvisioningListener listener = new StructuredViewerProvisioningListener(getClass().getName(), installedIUViewer, ProvUIProvisioningListener.PROV_EVENT_IU | ProvUIProvisioningListener.PROV_EVENT_PROFILE, getProvisioningUI().getOperationRunner());
ProvUI.getProvisioningEventBus(getProvisioningUI().getSession()).addListener(listener);
installedIUViewer.getControl().addDisposeListener(e -> ProvUI.getProvisioningEventBus(getProvisioningUI().getSession()).removeListener(listener));
return installedIUViewer;
}
private void setTreeColumns(Tree tree) {
IUColumnConfig[] columns = getColumnConfig();
tree.setHeaderVisible(true);
for (int i = 0; i < columns.length; i++) {
TreeColumn tc = new TreeColumn(tree, SWT.NONE, i);
tc.setResizable(true);
tc.setText(columns[i].getColumnTitle());
tc.setWidth(columns[i].getWidthInPixels(tree));
}
}
Object getInput() {
ProfileElement element = new ProfileElement(null, profileId);
return element;
}
/**
* Get the viewer used to represent the installed IU's
*/
@Override
public StructuredViewer getStructuredViewer() {
return super.getStructuredViewer();
}
@Override
public Control getDefaultFocusControl() {
return super.getDefaultFocusControl();
}
}
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