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/*******************************************************************************
* Copyright (c) 2003, 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.debug.internal.ui.sourcelookup;
import java.util.ArrayList;
import org.eclipse.debug.core.DebugPlugin;
import org.eclipse.debug.core.sourcelookup.ISourceContainer;
import org.eclipse.debug.core.sourcelookup.ISourceContainerType;
import org.eclipse.debug.core.sourcelookup.ISourceLookupDirector;
import org.eclipse.debug.internal.ui.DebugPluginImages;
import org.eclipse.debug.internal.ui.IDebugHelpContextIds;
import org.eclipse.debug.internal.ui.IInternalDebugUIConstants;
import org.eclipse.debug.ui.DebugUITools;
import org.eclipse.debug.ui.sourcelookup.ISourceContainerBrowser;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.TitleAreaDialog;
import org.eclipse.jface.viewers.ArrayContentProvider;
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.TableViewer;
import org.eclipse.jface.viewers.ViewerComparator;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
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.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.ui.PlatformUI;
/**
* The dialog for adding new source containers. Presents the user with a list of
* source container types and allows them to select one.
*
* @since 3.0
*/
public class AddSourceContainerDialog extends TitleAreaDialog {
private TableViewer fViewer;
private SourceContainerViewer fSourceContainerViewer;
private boolean fDoubleClickSelects = true;
private ISourceLookupDirector fDirector;
/**
* Constructor
*/
public AddSourceContainerDialog(Shell shell, SourceContainerViewer viewer, ISourceLookupDirector director) {
super(shell);
setShellStyle(getShellStyle() | SWT.RESIZE);
fSourceContainerViewer=viewer;
fDirector = director;
}
/**
* Creates the dialog area to display source container types that are "browseable"
*/
protected Control createDialogArea(Composite ancestor) {
getShell().setText(SourceLookupUIMessages.addSourceLocation_title);
setTitle(SourceLookupUIMessages.addSourceLocation_description);
setTitleImage(DebugPluginImages.getImage(IInternalDebugUIConstants.IMG_ADD_SRC_LOC_WIZ));
Composite parent = new Composite(ancestor, SWT.NULL);
GridData gd= new GridData(GridData.FILL_BOTH);
GridLayout topLayout = new GridLayout();
topLayout.numColumns = 1;
parent.setLayout(topLayout);
parent.setLayoutData(gd);
ISourceContainerType[] types = filterTypes(DebugPlugin.getDefault().getLaunchManager().getSourceContainerTypes());
fViewer = new TableViewer(parent, SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER | SWT.SINGLE);
final Table table = fViewer.getTable();
gd = new GridData(GridData.FILL_BOTH);
table.setLayoutData(gd);
if (fDoubleClickSelects) {
table.addSelectionListener(new SelectionAdapter() {
public void widgetDefaultSelected(SelectionEvent e) {
if (table.getSelectionCount() == 1)
okPressed();
}
});
}
fViewer.setLabelProvider(new SourceContainerLabelProvider());
fViewer.setContentProvider(new ArrayContentProvider());
fViewer.setComparator(new ViewerComparator());
fViewer.addSelectionChangedListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
ISelection selection = event.getSelection();
String desc = null;
if (!selection.isEmpty()) {
ISourceContainerType type = (ISourceContainerType) ((IStructuredSelection)selection).getFirstElement();
desc = type.getDescription();
}
setMessage(desc);
}
});
if(types.length != 0) {
fViewer.setInput(types);
}
Dialog.applyDialogFont(parent);
PlatformUI.getWorkbench().getHelpSystem().setHelp(getShell(), IDebugHelpContextIds.ADD_SOURCE_CONTAINER_DIALOG);
return parent;
}
/**
* Removes types without browsers from the provided list of types.
* @param types the complete list of source container types
* @return the list of source container types that have browsers
*/
private ISourceContainerType[] filterTypes(ISourceContainerType[] types){
ArrayList validTypes = new ArrayList();
for (int i=0; i< types.length; i++) {
ISourceContainerType type = types[i];
if (fDirector.supportsSourceContainerType(type)) {
ISourceContainerBrowser sourceContainerBrowser = DebugUITools.getSourceContainerBrowser(type.getId());
if(sourceContainerBrowser != null && sourceContainerBrowser.canAddSourceContainers(fDirector)) {
validTypes.add(type);
}
}
}
return (ISourceContainerType[]) validTypes.toArray(new ISourceContainerType[validTypes.size()]);
}
/* (non-Javadoc)
* @see org.eclipse.jface.dialogs.Dialog#okPressed()
*/
protected void okPressed() {
//single selection dialog, so take first item in array
//there will always be a selected item since we set it with viewer.setSelection
ISourceContainerType type = (ISourceContainerType) ((IStructuredSelection) fViewer.getSelection()).getFirstElement();
if (type != null) {
ISourceContainerBrowser browser = DebugUITools.getSourceContainerBrowser(type.getId());
if (browser != null) {
ISourceContainer[] results = browser.addSourceContainers(getShell(), fDirector);
if (results != null && results.length > 0) {
fSourceContainerViewer.addEntries(results);
}
}
}
super.okPressed();
}
}
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