/*
* uDig - User Friendly Desktop Internet GIS client
* http://udig.refractions.net
* (C) 2004, Refractions Research Inc.
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* (http://www.eclipse.org/legal/epl-v10.html), and the Refractions BSD
* License v1.0 (http://udig.refractions.net/files/bsd3-v10.html).
*
*/
package org.locationtech.udig.catalog.ui;
import org.locationtech.udig.catalog.CatalogPlugin;
import org.locationtech.udig.catalog.IResolve;
import org.locationtech.udig.catalog.IResolve.Status;
import org.locationtech.udig.catalog.ui.internal.Messages;
import org.eclipse.jface.viewers.DecoratingLabelProvider;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.Composite;
/**
* Provides Tree view of the Registry.
* <p>
* Supports the following:
* <ul>
* <li>List
* <li>IService
* <li>IGeoReference
* <li>ICatalog
* <li>String
* </ul>
* </p>
* <p>
* To display a message or status please use a Collections.singletonList( "hello world" ).
* </p>
*
* @author jeichar
* @since 0.3
*/
public class CatalogTreeViewer extends TreeViewer implements ISelectionChangedListener {
private IMessageBoard messageBoard;
/**
* Construct <code>CatalogTreeViewer</code>.
*
* @param parent
*/
public CatalogTreeViewer( Composite parent, boolean titles ) {
this(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER, titles); // no border by
// default
}
/**
* Construct <code>CatalogTreeViewer</code>.
*
* @param parent
*/
public CatalogTreeViewer( Composite parent ) {
this(parent, true); // no border by
// default
}
/**
* Construct <code>CatalogTreeViewer</code>.
* <p>
* You will need to set your input:
*
* <pre><code>
* CatalogTreeViewer viewer = new CatalogTreeViewer(parent, SWT.DEFAULT);
* viewer.setInput(CatalogPlugin.getDefault().getLocalCatalog());
* </code></pre>
*
* </p>
*
* @param parent Parent component
* @param style The other constructor uses SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER
*/
public CatalogTreeViewer( Composite parent, int style, boolean titles ) {
super(parent, style|SWT.VIRTUAL);
setContentProvider(new ResolveContentProvider());
ResolveLabelProviderSimple resolveLabelProviderSimple = new ResolveLabelProviderSimple();
if (titles) {
setLabelProvider(new DecoratingLabelProvider(resolveLabelProviderSimple,
new ResolveTitlesDecorator(resolveLabelProviderSimple)));
} else {
setLabelProvider(resolveLabelProviderSimple);
}
setUseHashlookup(true);
setInput(CatalogPlugin.getDefault().getLocalCatalog());
setSorter(new CatalogViewerSorter());
addSelectionChangedListener(this);
}
public void selectionChanged( SelectionChangedEvent event ) {
if( messageBoard==null )
return;
ISelection selection = event.getSelection();
if( selection instanceof IStructuredSelection ){
IStructuredSelection sel=(IStructuredSelection) selection;
if( sel.size()==1 ){
Object obj=sel.getFirstElement();
if (obj instanceof IResolve) {
IResolve resolve = (IResolve) obj;
if( resolve.getStatus()==Status.BROKEN ){
if (null == resolve.getMessage()) {
messageBoard.putMessage(Messages.CatalogTreeViewer_broken, IMessageBoard.Type.ERROR);
} else {
messageBoard.putMessage(resolve.getMessage().getLocalizedMessage(), IMessageBoard.Type.ERROR);
}
}else if( resolve.getStatus()==Status.RESTRICTED_ACCESS ){
messageBoard.putMessage(Messages.CatalogTreeViewer_permission, IMessageBoard.Type.ERROR);
}else{
messageBoard.putMessage(null, IMessageBoard.Type.NORMAL);
}
}else{
messageBoard.putMessage(null, IMessageBoard.Type.NORMAL);
}
}else{
messageBoard.putMessage(null, IMessageBoard.Type.NORMAL);
}
}else{
messageBoard.putMessage(null, IMessageBoard.Type.NORMAL);
}
}
/**
* Sets the message board that this viewer will display status messages on.
*
* @param messageBoard
*
* @see StatusLineMessageBoardAdapter
* @see IResolve#getStatus()
* @see IResolve#getMessage()
*/
public void setMessageBoard( IMessageBoard messageBoard ){
this.messageBoard=messageBoard;
}
}