/*******************************************************************************
* Copyright (c) 2006 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.wst.xsd.ui.internal.common.properties.sections.appinfo;
import org.eclipse.jface.dialogs.Dialog;
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.Viewer;
import org.eclipse.jface.viewers.ViewerFilter;
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.Control;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.wst.xml.core.internal.XMLCorePlugin;
import org.eclipse.wst.xml.core.internal.catalog.CatalogSet;
import org.eclipse.wst.xml.core.internal.catalog.provisional.ICatalog;
import org.eclipse.wst.xml.core.internal.catalog.provisional.ICatalogEntry;
import org.eclipse.wst.xml.core.internal.catalog.provisional.INextCatalog;
import org.eclipse.wst.xml.ui.internal.catalog.XMLCatalogEntriesView;
import org.eclipse.wst.xml.ui.internal.catalog.XMLCatalogEntryDetailsView;
import org.eclipse.wst.xml.ui.internal.catalog.XMLCatalogMessages;
import org.eclipse.wst.xml.ui.internal.catalog.XMLCatalogTreeViewer;
public class SelectFromCatalogDialog extends Dialog
{
private ICatalog workingUserCatalog;
private ICatalog userCatalog;
private ICatalog defaultCatalog;
private XMLCatalogEntriesView catalogEntriesView;
private ICatalog systemCatalog;
private String currentSelectionLocation;
private String currentSelectionNamespace;
public SelectFromCatalogDialog(Shell parentShell)
{
super(parentShell);
defaultCatalog = XMLCorePlugin.getDefault().getDefaultXMLCatalog();
INextCatalog[] nextCatalogs = defaultCatalog.getNextCatalogs();
for (int i = 0; i < nextCatalogs.length; i++)
{
INextCatalog catalog = nextCatalogs[i];
ICatalog referencedCatalog = catalog.getReferencedCatalog();
if (referencedCatalog != null)
{
if (XMLCorePlugin.SYSTEM_CATALOG_ID.equals(referencedCatalog.getId()))
{
systemCatalog = referencedCatalog;
}
else if (XMLCorePlugin.USER_CATALOG_ID.equals(referencedCatalog.getId()))
{
userCatalog = referencedCatalog;
}
}
}
}
protected Control createDialogArea(Composite parent)
{
// we create a working copy of the 'User Settings' for the Catalog
// that we can modify
CatalogSet tempCatalogSet = new CatalogSet();
workingUserCatalog = tempCatalogSet.lookupOrCreateCatalog("working", ""); //$NON-NLS-1$ //$NON-NLS-2$
// TODO: add entries from the nested catalogs as well
workingUserCatalog.addEntriesFromCatalog(userCatalog);
Composite composite = new Composite(parent, SWT.NULL);
composite.setLayout(new GridLayout());
GridData gridData = new GridData(GridData.FILL_BOTH);
gridData.heightHint = 500;
composite.setLayoutData(gridData);
createCatalogEntriesView(composite);
createCatalogDetailsView(composite);
return composite;
}
protected void createCatalogEntriesView(Composite parent)
{
Group group = new Group(parent, SWT.NONE);
group.setLayout(new GridLayout());
GridData gridData = new GridData(GridData.FILL_BOTH);
gridData.widthHint = 370;
group.setLayoutData(gridData);
group.setText(XMLCatalogMessages.UI_LABEL_USER_ENTRIES);
group.setToolTipText(XMLCatalogMessages.UI_LABEL_USER_ENTRIES_TOOL_TIP);
/*
* create a subclass of XMLCatalogEntriesView which suppresses - the
* creation of 'Add', 'Edit', 'Delete' buttons - any method involving the
* above buttons
*/
catalogEntriesView = new XMLCatalogEntriesView(group, workingUserCatalog, systemCatalog)
{
protected void createButtons(Composite parent)
{
}
protected void updateWidgetEnabledState()
{
}
};
// Only XML Schema entry is selectable
catalogEntriesView.setLayoutData(gridData);
XMLCatalogTreeViewer catalogTreeViewer = ((XMLCatalogTreeViewer) catalogEntriesView.getViewer());
catalogTreeViewer.resetFilters();
catalogTreeViewer.addFilter(new XMLCatalogTableViewerFilter(new String[] { ".xsd" }));
}
// Bug in the filter of the XML plugin, have to give a correct version here
// TODO: Waiting for the fix to be commited to XML plugin and
// be used by constellation
private class XMLCatalogTableViewerFilter extends ViewerFilter
{
private static final String W3_XMLSCHEMA_NAMESPACE = "http://www.w3.org/2001/";
protected String[] extensions;
public XMLCatalogTableViewerFilter(String[] extensions1)
{
this.extensions = extensions1;
}
public boolean select(Viewer viewer, Object parent, Object element)
{
boolean result = false;
if (element instanceof ICatalogEntry)
{
ICatalogEntry catalogEntry = (ICatalogEntry) element;
for (int i = 0; i < extensions.length; i++)
{
// if the extension is correct and the namespace indicates
// that this entry is not the W3 XML Schema
if (catalogEntry.getURI().endsWith(extensions[i]) && !catalogEntry.getKey().startsWith(W3_XMLSCHEMA_NAMESPACE))
{
result = true;
break;
}
}
}
else if (element.equals(XMLCatalogTreeViewer.PLUGIN_SPECIFIED_ENTRIES_OBJECT) || element.equals(XMLCatalogTreeViewer.USER_SPECIFIED_ENTRIES_OBJECT))
{
return true;
}
return result;
}
}
protected void createCatalogDetailsView(Composite parent)
{
Group detailsGroup = new Group(parent, SWT.NONE);
detailsGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
detailsGroup.setLayout(new GridLayout());
detailsGroup.setText(XMLCatalogMessages.UI_LABEL_DETAILS);
final XMLCatalogEntryDetailsView detailsView = new XMLCatalogEntryDetailsView(detailsGroup);
ISelectionChangedListener listener = new ISelectionChangedListener()
{
public void selectionChanged(SelectionChangedEvent event)
{
ISelection selection = event.getSelection();
Object selectedObject = (selection instanceof IStructuredSelection) ? ((IStructuredSelection) selection).getFirstElement() : null;
if (selectedObject instanceof ICatalogEntry)
{
ICatalogEntry entry = (ICatalogEntry) selectedObject;
detailsView.setCatalogElement(entry);
currentSelectionLocation = entry.getURI();
currentSelectionNamespace = entry.getKey();
}
else
{
detailsView.setCatalogElement((ICatalogEntry) null);
currentSelectionLocation = "";
currentSelectionNamespace = "";
}
}
};
catalogEntriesView.getViewer().addSelectionChangedListener(listener);
}
public String getCurrentSelectionLocation()
{
return currentSelectionLocation;
}
public String getCurrentSelectionNamespace()
{
return currentSelectionNamespace;
}
}