Java tutorial
/******************************************************************************* * Copyright (C) 2011, Mathias Kinzler <mathias.kinzler@sap.com> * * 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.push; import java.util.List; import org.eclipse.egit.ui.UIUtils; import org.eclipse.egit.ui.UIUtils.IRefListProvider; import org.eclipse.egit.ui.internal.UIText; import org.eclipse.egit.ui.internal.components.RefContentAssistProvider; import org.eclipse.jface.dialogs.TitleAreaDialog; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.jgit.lib.Constants; import org.eclipse.jgit.lib.Ref; import org.eclipse.jgit.lib.Repository; import org.eclipse.jgit.transport.RefSpec; import org.eclipse.jgit.transport.RemoteConfig; import org.eclipse.jgit.transport.URIish; 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.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.Label; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; /** * Add or edit a RefSpec */ public class RefSpecDialog extends TitleAreaDialog { private final boolean pushMode; private final Repository repo; private final RemoteConfig config; private RefSpec spec = new RefSpec(); private Text sourceText; private Text destinationText; private Button forceButton; private Text specString; private boolean autoSuggestDestination; /** * Create a {@link RefSpec} * * @param parentShell * @param repository * @param config * @param push */ public RefSpecDialog(Shell parentShell, Repository repository, RemoteConfig config, boolean push) { super(parentShell); setShellStyle(getShellStyle() | SWT.SHELL_TRIM); this.repo = repository; this.config = config; this.pushMode = push; this.autoSuggestDestination = !pushMode; setHelpAvailable(false); } /** * Edit a {@link RefSpec} * * @param parentShell * @param repository * @param config * @param spec * @param push */ public RefSpecDialog(Shell parentShell, Repository repository, RemoteConfig config, RefSpec spec, boolean push) { this(parentShell, repository, config, push); this.spec = spec; } @Override protected void configureShell(Shell newShell) { super.configureShell(newShell); newShell.setText(UIText.RefSpecDialog_WindowTitle); } @Override public void create() { super.create(); if (pushMode) { setTitle(UIText.RefSpecDialog_PushTitle); setMessage(UIText.RefSpecDialog_PushMessage); } else { setTitle(UIText.RefSpecDialog_FetchTitle); setMessage(UIText.RefSpecDialog_FetchMessage); } // the user must enter something getButton(OK).setEnabled(false); } @Override protected Control createDialogArea(Composite parent) { Composite main = new Composite(parent, SWT.NONE); GridDataFactory.fillDefaults().grab(true, true).applyTo(main); main.setLayout(new GridLayout(2, false)); URIish uriToCheck; if (pushMode) { if (config.getPushURIs().isEmpty()) uriToCheck = config.getURIs().get(0); else uriToCheck = config.getPushURIs().get(0); } else uriToCheck = config.getURIs().get(0); final RefContentAssistProvider assistProvider = new RefContentAssistProvider(repo, uriToCheck, getShell()); // source Label sourceLabel = new Label(main, SWT.NONE); if (pushMode) sourceLabel.setText(UIText.RefSpecDialog_SourceBranchPushLabel); else sourceLabel.setText(UIText.RefSpecDialog_SourceBranchFetchLabel); sourceText = new Text(main, SWT.BORDER); GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false).applyTo(sourceText); if (spec != null && spec.getSource() != null) sourceText.setText(spec.getSource()); sourceText.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { if (sourceText.isFocusControl()) if (autoSuggestDestination) { String name = sourceText.getText(); if (name.startsWith(Constants.R_HEADS)) name = name.substring(Constants.R_HEADS.length()); else if (name.startsWith(Constants.R_TAGS)) name = name.substring(Constants.R_TAGS.length()); RefSpec sourceChanged = getSpec().setSource(sourceText.getText()); setSpec(sourceChanged.setDestination(Constants.R_REMOTES + config.getName() + '/' + name)); } else setSpec(getSpec().setSource(sourceText.getText())); } }); // content assist for source UIUtils.addRefContentProposalToText(sourceText, repo, new IRefListProvider() { public List<Ref> getRefList() { return assistProvider.getRefsForContentAssist(true, pushMode); } }); // suggest remote tracking branch if (!pushMode) { final Button autoSuggest = new Button(main, SWT.CHECK); GridDataFactory.fillDefaults().span(2, 1).applyTo(autoSuggest); autoSuggest.setText(UIText.RefSpecDialog_AutoSuggestCheckbox); autoSuggest.setSelection(true); autoSuggest.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { autoSuggestDestination = autoSuggest.getSelection(); } }); } // destination Label destinationLabel = new Label(main, SWT.NONE); if (pushMode) destinationLabel.setText(UIText.RefSpecDialog_DestinationPushLabel); else destinationLabel.setText(UIText.RefSpecDialog_DestinationFetchLabel); destinationText = new Text(main, SWT.BORDER); GridDataFactory.fillDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false).applyTo(destinationText); if (spec != null && spec.getDestination() != null) destinationText.setText(spec.getDestination()); destinationText.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { if (destinationText.isFocusControl()) setSpec(getSpec().setDestination(destinationText.getText())); } }); // content assist for destination UIUtils.addRefContentProposalToText(destinationText, repo, new IRefListProvider() { public List<Ref> getRefList() { return assistProvider.getRefsForContentAssist(false, pushMode); } }); // force update forceButton = new Button(main, SWT.CHECK); forceButton.setText(UIText.RefSpecDialog_ForceUpdateCheckbox); GridDataFactory.fillDefaults().span(2, 1).applyTo(forceButton); if (spec != null) forceButton.setSelection(spec.isForceUpdate()); forceButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { if (getSpec().isForceUpdate() == forceButton.getSelection()) return; setSpec(getSpec().setForceUpdate(forceButton.getSelection())); } }); // RefSpec as String Label stringLabel = new Label(main, SWT.NONE); stringLabel.setText(UIText.RefSpecDialog_SpecificationLabel); specString = new Text(main, SWT.BORDER); GridDataFactory.fillDefaults().span(2, 1).grab(true, false).applyTo(specString); if (spec != null) specString.setText(spec.toString()); specString.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { if (!specString.isFocusControl() || getSpec().toString().equals(specString.getText())) return; setSpec(new RefSpec(specString.getText())); } }); applyDialogFont(main); return main; } /** * @return the {@link RefSpec} */ public RefSpec getSpec() { return this.spec; } private void setSpec(RefSpec spec) { setErrorMessage(null); this.spec = spec; String newSourceText = spec.getSource() != null ? spec.getSource() : ""; //$NON-NLS-1$ String newDestinationText = spec.getDestination() != null ? spec.getDestination() : ""; //$NON-NLS-1$ String newStringText = spec.toString(); if (!sourceText.getText().equals(newSourceText)) sourceText.setText(newSourceText); if (!destinationText.getText().equals(newDestinationText)) destinationText.setText(newDestinationText); if (!specString.getText().equals(newStringText)) specString.setText(newStringText); forceButton.setSelection(spec.isForceUpdate()); if (sourceText.getText().length() == 0 || destinationText.getText().length() == 0) setErrorMessage(UIText.RefSpecDialog_MissingDataMessage); getButton(OK).setEnabled(sourceText.getText().length() > 0 && destinationText.getText().length() > 0); } }