Java tutorial
/******************************************************************************* * Copyright (C) 2008, Tomi Pakarinen <tomi.pakarinen@iki.fi> * * 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 *******************************************************************************/ package org.eclipse.egit.ui.internal.preferences; import java.io.IOException; import org.eclipse.core.resources.IProject; import org.eclipse.core.runtime.IAdaptable; import org.eclipse.egit.core.project.RepositoryMapping; import org.eclipse.egit.ui.UIText; import org.eclipse.egit.ui.internal.trace.GitTraceLocation; 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.Display; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.dialogs.PropertyPage; import org.eclipse.jgit.lib.ObjectId; import org.eclipse.jgit.lib.Repository; /** * Property page to be shown in project properties, if project is shared using * git provider. Currently there aren't any modifiable element. */ public class GitProjectPropertyPage extends PropertyPage { private Text gitDir; private Text branch; private Text id; private Text state; private Text workDir; @Override protected Control createContents(Composite parent) { // this page just shows read-only information to the user, no // default/apply buttons needed noDefaultAndApplyButton(); final Composite composite = new Composite(parent, SWT.NULL); composite.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); final GridLayout layout = new GridLayout(); layout.numColumns = 2; layout.marginHeight = 0; layout.marginWidth = 0; layout.horizontalSpacing = 0; layout.verticalSpacing = 0; composite.setLayout(layout); gitDir = createLabeledReadOnlyText(composite, UIText.GitProjectPropertyPage_LabelGitDir); workDir = createLabeledReadOnlyText(composite, UIText.GitProjectPropertyPage_LabelWorkdir); branch = createLabeledReadOnlyText(composite, UIText.GitProjectPropertyPage_LabelBranch); id = createLabeledReadOnlyText(composite, UIText.GitProjectPropertyPage_LabelId); state = createLabeledReadOnlyText(composite, UIText.GitProjectPropertyPage_LabelState); // Get the project that is the source of this property page IProject project = null; final IAdaptable element = getElement(); if (element instanceof IProject) { project = (IProject) element; } else { Object adapter = element.getAdapter(IProject.class); if (adapter instanceof IProject) { project = (IProject) adapter; } } Repository repository = RepositoryMapping.getMapping(project).getRepository(); if (repository != null) { try { fillValues(repository); } catch (IOException e) { if (GitTraceLocation.UI.isActive()) GitTraceLocation.getTrace().trace(GitTraceLocation.UI.getLocation(), e.getMessage(), e); } } return composite; } private void fillValues(Repository repository) throws IOException { gitDir.setText(repository.getDirectory().getAbsolutePath()); branch.setText(repository.getBranch()); workDir.setText(repository.getWorkTree().getAbsolutePath()); state.setText(repository.getRepositoryState().getDescription()); final ObjectId objectId = repository.resolve(repository.getFullBranch()); if (objectId == null) { if (repository.getAllRefs().size() == 0) id.setText(UIText.GitProjectPropertyPage_ValueEmptyRepository); else id.setText(UIText.GitProjectPropertyPage_ValueUnbornBranch); } else id.setText(objectId.name()); } /** * Create a read only text field with a label * * @param parent * the parent composite for new widgets * @param labelText * text for label * @return the new read only text field */ protected Text createLabeledReadOnlyText(Composite parent, final String labelText) { Label label = new Label(parent, SWT.LEFT); label.setText(labelText); GridData data = new GridData(); data.horizontalSpan = 1; data.horizontalAlignment = GridData.FILL; label.setLayoutData(data); Text text = new Text(parent, SWT.LEFT | SWT.READ_ONLY); text.setBackground(Display.getDefault().getSystemColor(SWT.COLOR_WIDGET_BACKGROUND)); data = new GridData(); data.horizontalSpan = 1; data.horizontalAlignment = GridData.FILL; text.setLayoutData(data); return text; } }