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/*******************************************************************************
* Copyright (c) 2010 SAP AG.
* 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:
* Mathias Kinzler (SAP AG) - initial implementation
*******************************************************************************/
package org.eclipse.egit.ui.internal.repository;
import java.io.File;
import java.lang.reflect.InvocationTargetException;
import java.util.Collection;
import java.util.HashSet;
import java.util.Set;
import java.util.TreeSet;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.dialogs.ProgressMonitorDialog;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.viewers.BaseLabelProvider;
import org.eclipse.jface.viewers.CheckStateChangedEvent;
import org.eclipse.jface.viewers.CheckboxTableViewer;
import org.eclipse.jface.viewers.ICheckStateListener;
import org.eclipse.jface.viewers.IColorProvider;
import org.eclipse.jface.viewers.IStructuredContentProvider;
import org.eclipse.jface.viewers.ITableLabelProvider;
import org.eclipse.jface.viewers.Viewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.DirectoryDialog;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.Text;
/**
* Searches for Git directories under a path that can be selected by the user
* TODO String externalization
*/
public class RepositorySearchDialog extends Dialog {
private final Set<String> existingRepositoryDirs = new HashSet<String>();
private final String myInitialPath;
private Set<String> result;
CheckboxTableViewer tv;
private final class ContentProvider implements IStructuredContentProvider {
@SuppressWarnings("unchecked")
public Object[] getElements(Object inputElement) {
return ((Set<String>) inputElement).toArray();
}
public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
// nothing
}
public void dispose() {
// nothing
}
}
private final class LabelProvider extends BaseLabelProvider implements
ITableLabelProvider, IColorProvider {
public Image getColumnImage(Object element, int columnIndex) {
return null;
}
public String getColumnText(Object element, int columnIndex) {
return element.toString();
}
public Color getBackground(Object element) {
return null;
}
public Color getForeground(Object element) {
if (existingRepositoryDirs.contains(element))
return getShell().getDisplay().getSystemColor(SWT.COLOR_GRAY);
return null;
}
}
/**
* @param parentShell
* @param initialPath
* the initial path
* @param existingDirs
*/
protected RepositorySearchDialog(Shell parentShell, String initialPath,
Collection<String> existingDirs) {
super(parentShell);
this.existingRepositoryDirs.addAll(existingDirs);
this.myInitialPath = initialPath;
setShellStyle(getShellStyle() | SWT.SHELL_TRIM);
}
/**
*
* @return the directories
*/
public Set<String> getDirectories() {
return result;
}
@Override
protected void configureShell(Shell newShell) {
super.configureShell(newShell);
newShell.setText("Search Git Repositories");
}
@Override
protected void okPressed() {
result = new HashSet<String>();
Object[] checked = tv.getCheckedElements();
for (Object o : checked) {
result.add((String) o);
}
super.okPressed();
}
@Override
protected Control createDialogArea(Composite parent) {
Composite main = new Composite(parent, SWT.NONE);
main.setLayout(new GridLayout(3, false));
GridDataFactory.fillDefaults().grab(true, true).applyTo(main);
Label dirLabel = new Label(main, SWT.NONE);
dirLabel.setText("Directory");
final Text dir = new Text(main, SWT.NONE);
if (myInitialPath != null)
dir.setText(myInitialPath);
GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER).grab(true,
false).applyTo(dir);
Button browse = new Button(main, SWT.PUSH);
browse.setText("Browse...");
browse.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
DirectoryDialog dd = new DirectoryDialog(getShell());
dd.setFilterPath(dir.getText());
String directory = dd.open();
if (directory != null) {
dir.setText(directory);
}
}
});
Button search = new Button(main, SWT.PUSH);
search.setText("Search");
GridDataFactory.fillDefaults().align(SWT.LEAD, SWT.CENTER).span(3, 1)
.applyTo(search);
tv = CheckboxTableViewer.newCheckList(main, SWT.NONE);
Table tab = tv.getTable();
GridDataFactory.fillDefaults().grab(true, true).span(3, 1).applyTo(tab);
tv.addCheckStateListener(new ICheckStateListener() {
public void checkStateChanged(CheckStateChangedEvent event) {
if (existingRepositoryDirs.contains(event.getElement()))
event.getCheckable().setChecked(event.getElement(), false);
getButton(IDialogConstants.OK_ID).setEnabled(
tv.getCheckedElements().length > 0);
}
});
tv.setContentProvider(new ContentProvider());
tv.setLabelProvider(new LabelProvider());
search.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
final TreeSet<String> directories = new TreeSet<String>();
final File file = new File(dir.getText());
if (file.exists()) {
IRunnableWithProgress action = new IRunnableWithProgress() {
public void run(IProgressMonitor monitor)
throws InvocationTargetException,
InterruptedException {
RepositoriesView.recurseDir(file, directories,
monitor);
}
};
try {
ProgressMonitorDialog pd = new ProgressMonitorDialog(
getShell());
pd.run(true, true, action);
} catch (InvocationTargetException e1) {
MessageDialog.openError(getShell(), "Error", e1
.getCause().getMessage());
} catch (InterruptedException e1) {
// ignore
}
tv.setInput(directories);
}
}
});
return main;
}
@Override
protected Control createButtonBar(Composite parent) {
// disable the OK button until the user selects something
Control bar = super.createButtonBar(parent);
getButton(IDialogConstants.OK_ID).setEnabled(false);
return bar;
}
}
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