Java tutorial
/* * Boo Development Tools for the Eclipse IDE * Copyright (C) 2005 Rodrigo B. de Oliveira (rbo@acm.org) * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ package monolipse.ui.resources; import monolipse.core.BooCore; import monolipse.core.IAssemblySource; import monolipse.core.AssemblySourceLanguage; import monolipse.core.foundation.WorkspaceUtilities; import monolipse.ui.BooUI; import monolipse.ui.views.BooExplorerLabelProvider; import org.eclipse.core.resources.IContainer; import org.eclipse.core.resources.IFolder; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IAdaptable; import org.eclipse.jface.preference.PreferencePage; import org.eclipse.jface.viewers.Viewer; import org.eclipse.jface.viewers.ViewerFilter; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.graphics.FontMetrics; import org.eclipse.swt.graphics.GC; import org.eclipse.swt.layout.RowLayout; import org.eclipse.swt.widgets.Button; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Group; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.IWorkbenchPropertyPage; import org.eclipse.ui.model.WorkbenchContentProvider; public class BooAssemblySourcePropertyPage extends PreferencePage implements IWorkbenchPropertyPage { private IAdaptable _element; private Button[] _outputTypeButtons; private Button[] _languageButtons; private Text _outputPath; private Text _additionalOptions; public BooAssemblySourcePropertyPage() { } protected void performDefaults() { } public boolean performOk() { IAssemblySource source = getAssemblySource(); if (null == source) return false; try { source.setOutputType(getSelectedOutputType()); source.setLanguage(getSelectedLanguage()); source.setOutputFolder(getOutputFolder()); source.setAdditionalOptions(getAdditionalOptions()); source.save(null); } catch (CoreException e) { BooUI.logException(e); return false; } return true; } private String getAdditionalOptions() { return _additionalOptions.getText(); } private AssemblySourceLanguage getSelectedLanguage() { return (AssemblySourceLanguage) getSelectedButtonData(_languageButtons); } private String getSelectedOutputType() { return (String) getSelectedButtonData(_outputTypeButtons); } private Object getSelectedButtonData(Button[] buttons) { for (int i = 0; i < buttons.length; i++) { Button button = buttons[i]; if (button.getSelection()) { return button.getData(); } } return null; } private IAssemblySource getAssemblySource() { try { return BooCore.getAssemblySource((IFolder) _element); } catch (CoreException e) { BooUI.logException(e); setErrorMessage(e.getLocalizedMessage()); } return null; } public IAdaptable getElement() { return _element; } public void setElement(IAdaptable element) { _element = element; } protected Control createContents(Composite parent) { IAssemblySource source = getAssemblySource(); if (null == source) return null; Composite composite = new Composite(parent, SWT.NONE); composite.setLayout(new RowLayout(SWT.VERTICAL)); final String[] data = new String[] { IAssemblySource.OutputType.CONSOLE_APPLICATION, IAssemblySource.OutputType.WINDOWS_APPLICATION, IAssemblySource.OutputType.LIBRARY, }; final String[] labels = new String[] { "Console Application", "Windows Application", "Library", }; _outputTypeButtons = createButtonGroup(composite, "Output Type", labels, data, source.getOutputType()); Object[] sourceLanguages = AssemblySourceLanguage.values(); String[] languageLabels = new String[] { "boojay", "boo", "c#", "c# 1.1 (no generics)", }; _languageButtons = createButtonGroup(composite, "Language", languageLabels, sourceLanguages, source.getLanguage()); try { createOutputFolderGroup(composite, source); } catch (CoreException e) { e.printStackTrace(); } createAdditionalOptionsGroup(composite, source); return composite; } private void createAdditionalOptionsGroup(Composite composite, IAssemblySource source) { Group group = createGroup(composite, "Additional Compiler Options: "); _additionalOptions = new Text(group, SWT.BORDER); _additionalOptions.setText(source.getAdditionalOptions()); setTextSize(_additionalOptions, 20, 1); } private void setTextSize(Text text, int columns, int rows) { GC gc = new GC(text); FontMetrics fm = gc.getFontMetrics(); int width = columns * fm.getAverageCharWidth(); int height = rows * fm.getHeight(); gc.dispose(); text.setSize(text.computeSize(width, height)); } private void createOutputFolderGroup(Composite composite, final IAssemblySource source) throws CoreException { Group group = createGroup(composite, "Output Folder: "); _outputPath = new Text(group, SWT.NONE); _outputPath.setEditable(false); if (source.hasOutputFolder()) setOutputFolder(source.getOutputFolder()); Button button = new Button(group, SWT.PUSH); button.setText("Browse..."); button.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent evt) { FolderSelectionDialog dlg = new FolderSelectionDialog(getShell(), new BooExplorerLabelProvider(), new WorkbenchContentProvider()); dlg.setTitle("Select Output Location: "); dlg.setInput(WorkspaceUtilities.getWorkspaceRoot()); dlg.setInitialSelection(getOutputFolder()); dlg.addFilter(new ViewerFilter() { public boolean select(Viewer viewer, Object parentElement, Object element) { return element instanceof IContainer; } }); if (FolderSelectionDialog.OK == dlg.open()) { setOutputFolder((IContainer) dlg.getFirstResult()); } } }); } private void setOutputFolder(IContainer outputFolder) { String path = outputFolder.getFullPath().toPortableString(); _outputPath.setText(path); _outputPath.setData(outputFolder); _outputPath.setToolTipText(path); _outputPath.pack(); } private IFolder getOutputFolder() { return (IFolder) _outputPath.getData(); } private Button[] createButtonGroup(Composite parent, String groupLabel, String[] labels, Object[] data, Object selectedItem) { Group group = createGroup(parent, groupLabel); Button[] buttons = new Button[data.length]; for (int i = 0; i < data.length; ++i) { Button button = new Button(group, SWT.RADIO); button.setText(labels[i]); button.setData(data[i]); if (data[i].equals(selectedItem)) { button.setSelection(true); } buttons[i] = button; } return buttons; } private Group createGroup(Composite parent, String groupLabel) { Group group = new Group(parent, SWT.SHADOW_IN); group.setText(groupLabel); group.setLayout(new RowLayout(SWT.VERTICAL)); return group; } }