Java tutorial
/** * This file Copyright (c) 2005-2008 Aptana, Inc. This program is * dual-licensed under both the Aptana Public License and the GNU General * Public license. You may elect to use one or the other of these licenses. * * This program is distributed in the hope that it will be useful, but * AS-IS and WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, TITLE, or * NONINFRINGEMENT. Redistribution, except as permitted by whichever of * the GPL or APL you select, is prohibited. * * 1. For the GPL license (GPL), you can redistribute and/or modify this * program under the terms of the GNU General Public License, * Version 3, as published by the Free Software Foundation. You should * have received a copy of the GNU General Public License, Version 3 along * with this program; if not, write to the Free Software Foundation, Inc., 51 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Aptana provides a special exception to allow redistribution of this file * with certain other free and open source software ("FOSS") code and certain additional terms * pursuant to Section 7 of the GPL. You may view the exception and these * terms on the web at http://www.aptana.com/legal/gpl/. * * 2. For the Aptana Public License (APL), this program and the * accompanying materials are made available under the terms of the APL * v1.0 which accompanies this distribution, and is available at * http://www.aptana.com/legal/apl/. * * You may view the GPL, Aptana's exception and additional terms, and the * APL in the file titled license.html at the root of the corresponding * plugin containing this source file. * * Any modifications to this file must keep this entire header intact. */ package com.aptana.ide.debug.internal.ui.dialogs; import java.util.List; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.StatusDialog; import org.eclipse.jface.layout.GridDataFactory; import org.eclipse.jface.layout.GridLayoutFactory; import org.eclipse.jface.text.Document; import org.eclipse.jface.text.DocumentEvent; import org.eclipse.jface.text.IDocumentListener; import org.eclipse.jface.text.source.SourceViewer; import org.eclipse.jface.window.Window; 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.Font; 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; import org.eclipse.ui.PlatformUI; import com.aptana.ide.core.StringUtils; import com.aptana.ide.debug.core.DetailFormatter; import com.aptana.ide.debug.internal.ui.IDebugHelpContextIds; import com.aptana.ide.debug.internal.ui.StatusInfo; /** * @author Max Stepanov * */ public class DetailFormatterDialog extends StatusDialog { private Text typeName; private Button enabled; private SourceViewer snippetViewer; private DetailFormatter formatter; private String type; private List definedTypes; private boolean editTypeName; /** * DetailFormatterDialog * */ public DetailFormatterDialog(Shell parent, DetailFormatter detailFormatter, List definedTypes, boolean editDialog) { this(parent, detailFormatter, definedTypes, true, editDialog); } /** * DetailFormatterDialog * */ public DetailFormatterDialog(Shell parent, DetailFormatter formatter, List definedTypes, boolean editTypeName, boolean editDialog) { super(parent); this.formatter = formatter; this.editTypeName = editTypeName; this.definedTypes = definedTypes; setShellStyle(getShellStyle() | SWT.MAX | SWT.RESIZE); setTitle(editDialog ? Messages.DetailFormatterDialog_EditDetailFormatter : Messages.DetailFormatterDialog_AddDetailFormatter); } protected Control createDialogArea(Composite parent) { Composite composite = (Composite) super.createDialogArea(parent); Font font = parent.getFont(); Label label = new Label(composite, SWT.NONE); label.setText(Messages.DetailFormatterDialog_QualifiedTypeName); GridDataFactory.swtDefaults().applyTo(label); label.setFont(font); Composite container = new Composite(composite, SWT.NONE); GridDataFactory.fillDefaults().grab(true, false).applyTo(container); container.setLayout(GridLayoutFactory.fillDefaults().numColumns(2).create()); typeName = new Text(container, SWT.SINGLE | SWT.BORDER); GridDataFactory.fillDefaults().grab(true, false).applyTo(typeName); typeName.setEditable(editTypeName); typeName.setText(formatter.getTypeName()); typeName.setFont(font); Button searchButton = new Button(container, SWT.PUSH); GridDataFactory.swtDefaults().align(SWT.RIGHT, SWT.CENTER) .hint(Math.max(convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH), searchButton.computeSize(SWT.DEFAULT, SWT.DEFAULT, true).x), SWT.DEFAULT) .applyTo(searchButton); searchButton.setText(StringUtils.ellipsify(Messages.DetailFormatterDialog_SelectNType)); searchButton.setEnabled(editTypeName); searchButton.setFont(font); label = new Label(composite, SWT.NONE); label.setText(Messages.DetailFormatterDialog_DetailFormatterCodeSnippet); GridDataFactory.swtDefaults().applyTo(label); label.setFont(font); snippetViewer = new SourceViewer(composite, null, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL); GridDataFactory.fillDefaults().grab(true, true) // CHECKSTYLE:OFF .hint(convertWidthInCharsToPixels(80), convertHeightInCharsToPixels(10)) // CHECKSTYLE:ON .applyTo(snippetViewer.getControl()); enabled = new Button(composite, SWT.CHECK | SWT.LEFT); enabled.setText(Messages.DetailFormatterDialog_Enable); GridDataFactory.swtDefaults().applyTo(enabled); enabled.setFont(font); typeName.addModifyListener(new ModifyListener() { public void modifyText(ModifyEvent e) { checkValues(); } }); searchButton.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent e) { selectType(); } }); snippetViewer.setInput(this); snippetViewer.setEditable(true); snippetViewer.setDocument(new Document(formatter.getSnippet())); snippetViewer.getDocument().addDocumentListener(new IDocumentListener() { public void documentAboutToBeChanged(DocumentEvent event) { } public void documentChanged(DocumentEvent event) { checkValues(); } }); if (formatter.getTypeName().length() > 0) { snippetViewer.getControl().setFocus(); } enabled.setSelection(formatter.isEnabled()); checkValues(); PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, IDebugHelpContextIds.EDIT_DETAIL_FORMATTER_DIALOG); return composite; } private void selectType() { JSTypeSelectionDialog dlg = new JSTypeSelectionDialog(getShell()); dlg.setTitle(Messages.DetailFormatterDialog_SelectType); dlg.setMessage(Messages.DetailFormatterDialog_SelectTypeToFormatWhenDisplayingDetail); dlg.setInitialSelections(new Object[] { typeName.getText() }); if (dlg.open() == Window.OK) { Object[] types = dlg.getResult(); if (types != null && types.length > 0) { type = (String) types[0]; typeName.setText(type); } } } protected void okPressed() { formatter.setEnabled(enabled.getSelection()); formatter.setTypeName(typeName.getText().trim()); formatter.setSnippet(snippetViewer.getDocument().get()); super.okPressed(); } private void checkValues() { StatusInfo status = new StatusInfo(); String name = typeName.getText().trim(); if (name.length() == 0) { status.setError(Messages.DetailFormatterDialog_QualifiedTypeNameMustNotBeEmpty); } else if (definedTypes != null && definedTypes.contains(typeName)) { status.setError(Messages.DetailFormatterDialog_DetailFormatterIsDefinedForThisType); } else if (snippetViewer.getDocument().get().trim().length() == 0) { status.setError(Messages.DetailFormatterDialog_CodeSnippetMustNotBeEmpty); } else if (type == null) { status.setWarning(Messages.DetailFormatterDialog_NoTypeWithGivenNameFoundInWorkspace); } updateStatus(status); } }