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/*******************************************************************************
* Copyright (c) 2011 Christian Trutz
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Christian Trutz - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.internal.github.ui;
import java.io.IOException;
import java.lang.reflect.InvocationTargetException;
import java.text.MessageFormat;
import java.util.Collections;
import java.util.List;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.egit.github.core.Language;
import org.eclipse.egit.github.core.Repository;
import org.eclipse.egit.github.core.SearchRepository;
import org.eclipse.egit.github.core.service.RepositoryService;
import org.eclipse.egit.github.core.util.UrlUtils;
import org.eclipse.egit.ui.internal.UIIcons;
import org.eclipse.egit.ui.internal.provisional.wizards.GitRepositoryInfo;
import org.eclipse.egit.ui.internal.provisional.wizards.IRepositorySearchResult;
import org.eclipse.egit.ui.internal.provisional.wizards.NoRepositoryInfoException;
import org.eclipse.jface.layout.GridDataFactory;
import org.eclipse.jface.layout.GridLayoutFactory;
import org.eclipse.jface.operation.IRunnableWithProgress;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider;
import org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider.IStyledLabelProvider;
import org.eclipse.jface.viewers.ILabelProviderListener;
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.StructuredSelection;
import org.eclipse.jface.viewers.StyledString;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.jface.wizard.WizardPage;
import org.eclipse.mylyn.internal.github.core.GitHub;
import org.eclipse.mylyn.internal.github.core.GitHubException;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Combo;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.PlatformUI;
/**
* Search for GitHub repositories wizard page.
*/
@SuppressWarnings("restriction")
public class RepositorySearchWizardPage extends WizardPage implements
IRepositorySearchResult {
private SearchRepository[] repositories = null;
private final RepositoryService repositoryService;
private Text searchText;
/**
*
*/
public RepositorySearchWizardPage() {
super("repoSearchPage", Messages.RepositorySearchWizardPage_Title, null); //$NON-NLS-1$
setDescription(Messages.RepositorySearchWizardPage_Description);
setPageComplete(false);
repositoryService = new RepositoryService();
GitHub.configureClient(repositoryService.getClient());
}
/**
* Get selected repositories
*
* @return repositories
*/
protected SearchRepository[] getRepositories() {
return repositories;
}
/**
*
*/
public void createControl(Composite parent) {
final Composite root = new Composite(parent, SWT.NONE);
GridLayoutFactory.swtDefaults().numColumns(1).applyTo(root);
Composite rowOne = new Composite(root, SWT.NONE);
GridLayoutFactory.fillDefaults().numColumns(2).applyTo(rowOne);
Label searchForLabel = new Label(rowOne, SWT.NONE);
searchForLabel
.setText(Messages.RepositorySearchWizardPage_SearchForRepositories);
final Combo languageCombo = new Combo(rowOne, SWT.READ_ONLY
| SWT.DROP_DOWN);
languageCombo.add(Messages.RepositorySearchWizardPage_AnyLanguage);
for (Language language : Language.values())
languageCombo.add(language.getValue());
languageCombo.select(0);
Composite rowTwo = new Composite(root, SWT.NONE);
GridLayoutFactory.fillDefaults().numColumns(2).applyTo(rowTwo);
GridDataFactory.fillDefaults().grab(true, false).applyTo(rowTwo);
searchText = new Text(rowTwo, SWT.SINGLE | SWT.BORDER);
GridDataFactory.swtDefaults().align(SWT.FILL, SWT.CENTER)
.grab(true, false).applyTo(searchText);
final Button searchButton = new Button(rowTwo, SWT.NONE);
searchButton.setText(Messages.RepositorySearchWizardPage_SearchButton);
searchButton.setEnabled(false);
final TableViewer repoListViewer = new TableViewer(root);
GridDataFactory.fillDefaults().grab(true, true)
.applyTo(repoListViewer.getControl());
repoListViewer.setContentProvider(new ArrayContentProvider());
repoListViewer.setLabelProvider(new DelegatingStyledCellLabelProvider(
new IStyledLabelProvider() {
private Image repoImage = UIIcons.REPOSITORY.createImage();
public void removeListener(ILabelProviderListener listener) {
}
public boolean isLabelProperty(Object element,
String property) {
return false;
}
public void dispose() {
repoImage.dispose();
}
public void addListener(ILabelProviderListener listener) {
}
public StyledString getStyledText(Object element) {
StyledString styled = new StyledString();
SearchRepository repo = (SearchRepository) element;
styled.append(repo.getOwner() + "/" + repo.getName()); //$NON-NLS-1$
String language = repo.getLanguage();
if (language != null && language.length() > 0)
styled.append(" (" + language + ")", //$NON-NLS-1$ //$NON-NLS-2$
StyledString.QUALIFIER_STYLER);
int forks = repo.getForks();
if (forks != 1)
styled.append(MessageFormat.format(
Messages.RepositorySearchWizardPage_Forks,
forks), StyledString.COUNTER_STYLER);
else
styled.append(
Messages.RepositorySearchWizardPage_Fork,
StyledString.COUNTER_STYLER);
int watchers = repo.getWatchers();
if (watchers != 1)
styled.append(
MessageFormat
.format(Messages.RepositorySearchWizardPage_Watchers,
watchers),
StyledString.COUNTER_STYLER);
else
styled.append(
Messages.RepositorySearchWizardPage_Watcher,
StyledString.COUNTER_STYLER);
return styled;
}
public Image getImage(Object element) {
return repoImage;
}
}));
repoListViewer
.addSelectionChangedListener(new ISelectionChangedListener() {
public void selectionChanged(SelectionChangedEvent event) {
validate(repoListViewer);
}
});
searchText.addModifyListener(new ModifyListener() {
public void modifyText(ModifyEvent e) {
searchButton
.setEnabled(searchText.getText().trim().length() != 0);
}
});
searchButton.addSelectionListener(new SelectionAdapter() {
public void widgetSelected(SelectionEvent selectionEvent) {
String language = null;
if (languageCombo.getSelectionIndex() > 0)
language = languageCombo.getText();
search(language, searchText.getText().trim(), repoListViewer);
}
});
setControl(root);
}
private void validate(TableViewer viewer) {
ISelection selection = viewer.getSelection();
if (selection instanceof IStructuredSelection) {
Object[] selected = ((IStructuredSelection) selection).toArray();
repositories = new SearchRepository[selected.length];
System.arraycopy(selected, 0, repositories, 0, selected.length);
}
setPageComplete(!selection.isEmpty());
}
public void setVisible(boolean visible) {
super.setVisible(visible);
if (visible)
searchText.setFocus();
}
private void search(final String language, final String text,
final TableViewer viewer) {
viewer.setSelection(StructuredSelection.EMPTY);
try {
getContainer().run(true, true, new IRunnableWithProgress() {
public void run(IProgressMonitor monitor)
throws InvocationTargetException, InterruptedException {
monitor.beginTask(
MessageFormat
.format(Messages.RepositorySearchWizardPage_Searching,
text), 10);
try {
final List<SearchRepository> repositories = repositoryService
.searchRepositories(text.trim(), language);
PlatformUI.getWorkbench().getDisplay()
.syncExec(new Runnable() {
public void run() {
if (viewer.getControl().isDisposed())
return;
setMessage(
MessageFormat
.format(Messages.RepositorySearchWizardPage_Found,
repositories
.size()),
INFORMATION);
viewer.setInput(repositories);
validate(viewer);
}
});
} catch (IOException e) {
throw new InvocationTargetException(GitHubException
.wrap(e));
}
}
});
setErrorMessage(null);
} catch (InvocationTargetException e) {
viewer.setInput(Collections.emptyList());
Throwable cause = e.getCause();
if (cause == null)
cause = e;
setErrorMessage(MessageFormat.format(
Messages.RepositorySearchWizardPage_Error,
cause.getLocalizedMessage()));
} catch (InterruptedException e) {
GitHubUi.logError(e);
}
}
public GitRepositoryInfo getGitRepositoryInfo()
throws NoRepositoryInfoException {
String cloneUrl = null;
try {
Repository fullRepo = repositoryService
.getRepository(repositories[0]);
cloneUrl = fullRepo.getCloneUrl();
} catch (IOException e) {
throw new NoRepositoryInfoException(e.getMessage(), e);
}
return new GitRepositoryInfo(cloneUrl);
}
}
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