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/******************************************************************************
* Copyright (c) 2010, 2015 Oracle 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:
* Konstantin Komissarchik - initial implementation and ongoing maintenance
******************************************************************************/
package org.eclipse.jst.common.project.facet.ui.libprov.internal;
import static org.eclipse.wst.common.project.facet.ui.internal.util.GridLayoutUtil.gd;
import static org.eclipse.wst.common.project.facet.ui.internal.util.GridLayoutUtil.gdfill;
import static org.eclipse.wst.common.project.facet.ui.internal.util.GridLayoutUtil.gdhfill;
import static org.eclipse.wst.common.project.facet.ui.internal.util.GridLayoutUtil.gl;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.eclipse.jst.common.project.facet.core.libprov.ILibraryProvider;
import org.eclipse.jst.common.project.facet.core.libprov.IPropertyChangeListener;
import org.eclipse.jst.common.project.facet.core.libprov.LibraryInstallDelegate;
import org.eclipse.jst.common.project.facet.core.libprov.LibraryProviderActionType;
import org.eclipse.jst.common.project.facet.core.libprov.LibraryProviderOperationConfig;
import org.eclipse.jst.common.project.facet.ui.libprov.LibraryProviderOperationPanel;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.ui.part.PageBook;
/**
* @author <a href="mailto:konstantin.komissarchik@oracle.com">Konstantin Komissarchik</a>
*/
public final class LibraryInstallPanel
extends Composite
{
private final LibraryInstallDelegate delegate;
private final Group providersGroup;
private final Combo providersCombo;
private final PageBook providersPageBook;
private final Map<ILibraryProvider,Control> providerPages;
private final Composite noProviderComposite;
public LibraryInstallPanel( final Composite parent,
final LibraryInstallDelegate delegate,
final String label )
{
super( parent, SWT.NONE );
setLayout( gl( 1, 0, 0 ) );
this.delegate = delegate;
this.providerPages = new HashMap<ILibraryProvider,Control>();
this.providersGroup = new Group( this, SWT.NONE );
this.providersGroup.setLayoutData( gdhfill() );
this.providersGroup.setLayout( gl( 1 ) );
this.providersGroup.setText( label != null ? label : Resources.providersGroupLabel );
final Composite providersComboComposite = new Composite( this.providersGroup, SWT.NONE );
providersComboComposite.setLayoutData( gdhfill() );
providersComboComposite.setLayout( gl( 2, 0, 0 ) );
final Label providersComboLabel = new Label( providersComboComposite, SWT.NONE );
providersComboLabel.setLayoutData( gd() );
providersComboLabel.setText( Resources.providersComboLabel );
this.providersCombo = new Combo( providersComboComposite, SWT.BORDER | SWT.READ_ONLY );
this.providersCombo.setLayoutData( gdhfill() );
this.providersCombo.addSelectionListener
(
new SelectionAdapter()
{
@Override
public void widgetSelected( final SelectionEvent event )
{
handleProviderSelected();
}
}
);
final Label separator = new Label( this.providersGroup, SWT.SEPARATOR | SWT.HORIZONTAL );
separator.setLayoutData( gdhfill() );
this.providersPageBook = new PageBook( this.providersGroup, SWT.NONE );
this.providersPageBook.setLayoutData( gdhfill() );
this.noProviderComposite = new Composite( this.providersPageBook, SWT.NONE );
this.noProviderComposite.setLayout( gl( 1 ) );
this.noProviderComposite.setVisible( false );
final Label noProviderLabel = new Label( this.noProviderComposite, SWT.NONE );
noProviderLabel.setText( Resources.noProvidersAvailable );
noProviderLabel.setLayoutData( gdhfill() );
handleProvidersSetChanged();
final IPropertyChangeListener listener = new IPropertyChangeListener()
{
public void propertyChanged( final String property,
final Object oldValue,
final Object newValue )
{
handleOperationConfigChanged( property, oldValue, newValue );
}
};
this.delegate.addListener( listener );
this.addDisposeListener
(
new DisposeListener()
{
public void widgetDisposed( final DisposeEvent event )
{
LibraryInstallPanel.this.delegate.removeListener( listener );
}
}
);
}
private void handleProvidersSetChanged()
{
this.providerPages.clear();
this.providersCombo.setItems( new String[ 0 ] );
final List<ILibraryProvider> providers = this.delegate.getLibraryProviders();
final ILibraryProvider selectedProvider = this.delegate.getLibraryProvider();
for( ILibraryProvider provider : providers )
{
this.providersCombo.add( provider.getLabel() );
final int index = this.providersCombo.getItemCount() - 1;
this.providersCombo.setData( String.valueOf( index ), provider );
final LibraryProviderOperationConfig cfg
= this.delegate.getLibraryProviderOperationConfig( provider );
final LibraryProviderOperationPanel panel
= LibraryProviderFrameworkUiImpl.get().getOperationPanel( provider, LibraryProviderActionType.INSTALL );
if( panel != null )
{
panel.setOperationConfig( cfg );
final Control panelControl = panel.createControl( this.providersPageBook );
panelControl.setLayoutData( gdfill() );
panelControl.setVisible( false );
this.providerPages.put( provider, panelControl );
}
if( provider.equals( selectedProvider ) )
{
this.providersCombo.select( index );
}
}
handleProviderSelected();
}
private void handleProviderSelected()
{
final int selection = this.providersCombo.getSelectionIndex();
if( selection == -1 )
{
this.delegate.setLibraryProvider( null );
this.providersPageBook.showPage( this.noProviderComposite );
}
else
{
final ILibraryProvider provider
= (ILibraryProvider) this.providersCombo.getData( String.valueOf( selection ) );
this.delegate.setLibraryProvider( provider );
final Control providerPanelControl = this.providerPages.get( provider );
this.providersPageBook.showPage( providerPanelControl );
}
getShell().layout( true, true );
}
private void handleOperationConfigChanged( final String property,
final Object oldValue,
final Object newValue )
{
if( isDisposed() )
{
return;
}
if( getDisplay().getThread() != Thread.currentThread() )
{
getDisplay().asyncExec
(
new Runnable()
{
public void run()
{
handleOperationConfigChanged( property, oldValue, newValue );
}
}
);
return;
}
if( property.equals( LibraryInstallDelegate.PROP_AVAILABLE_PROVIDERS ) )
{
handleProvidersSetChanged();
}
else if( property.equals( LibraryInstallDelegate.PROP_SELECTED_PROVIDER ) )
{
final ILibraryProvider selectedProvider = this.delegate.getLibraryProvider();
for( int i = 0, n = this.providersCombo.getItemCount(); i < n; i++ )
{
if( this.providersCombo.getData( String.valueOf( i ) ).equals( selectedProvider ) )
{
this.providersCombo.select( i );
break;
}
}
handleProviderSelected();
}
}
private static final class Resources
extends NLS
{
public static String providersGroupLabel;
public static String providersComboLabel;
public static String noProvidersAvailable;
static
{
initializeMessages( LibraryInstallPanel.class.getName(),
Resources.class );
}
}
}
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