Java tutorial
/******************************************************************************* * Copyright (c) 2006-2012 * Software Technology Group, Dresden University of Technology * DevBoost GmbH, Berlin, Amtsgericht Charlottenburg, HRB 140026 * * 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 * * Contributors: * Software Technology Group - TU Dresden, Germany; * DevBoost GmbH - Berlin, Germany * - initial API and implementation ******************************************************************************/ package org.reuseware.sokan.ui.internal.dialogs; import java.util.ArrayList; import java.util.List; import org.eclipse.core.resources.IContainer; import org.eclipse.core.resources.IFolder; import org.eclipse.core.resources.IProject; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.IMessageProvider; import org.eclipse.jface.dialogs.TitleAreaDialog; import org.eclipse.jface.resource.JFaceResources; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionAdapter; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.layout.GridData; 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.Group; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; import org.reuseware.sokan.Store; import org.reuseware.sokan.index.util.StoreUtil; /** * Dialog to define patterns for a <code>SelectFilesStoreToggleAction</code>. */ public class NewStoreDialog extends TitleAreaDialog { private static final String PATTERN_ALL = "*.*"; private IContainer container; private Store store; private Text txtCustom; private Button btnAll; private Button btnEnding; private Button btnCustom; private Group grEnding; private Button[] endBtns; /** * Creates a <code>NewStoreDialog</code>. * @param parentShell the parent SWT shell * @param container the container (folder or project) that is marked as store */ public NewStoreDialog(Shell parentShell, IContainer container) { super(parentShell); this.container = container; } /** * @return the created store */ public Store getStore() { return store; } protected Control createContents(Composite parent) { Control contents = super.createContents(parent); // Set dialog head title parent.getShell().setText("Mark '" + container.getName() + "' as store"); // Set the title setTitle("Choose which filters should be applied to files in the folder."); // Set the message setMessage("Please select one below.", IMessageProvider.INFORMATION); return contents; } @Override protected Control createDialogArea(Composite parent) { GridLayout layout = new GridLayout(1, false); parent.setLayout(layout); Label lblSepTop = new Label(parent, SWT.SEPARATOR | SWT.HORIZONTAL); GridData ldSep = new GridData(SWT.FILL, SWT.FILL, true, false); ldSep.verticalIndent = -5; ldSep.horizontalSpan = 2; lblSepTop.setLayoutData(ldSep); btnAll = new Button(parent, SWT.RADIO); btnAll.setLayoutData(new GridData(SWT.BEGINNING, SWT.TOP, false, false)); btnAll.setText("All files (i.e. '*.*')"); btnAll.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { super.widgetSelected(e); if (btnAll.getSelection()) { String cont = "container"; if (container instanceof IFolder) { cont = "folder"; } else if (container instanceof IProject) { cont = "project"; } setMessage("All files in this " + cont + " and its subfolders are seen as artifacts.", IMessageProvider.INFORMATION); } } }); // Text txtSpace = new Text(parent, SWT.BORDER); // txtSpace.setVisible(false); btnEnding = new Button(parent, SWT.RADIO); btnEnding.setLayoutData(new GridData(SWT.BEGINNING, SWT.TOP, false, false)); btnEnding.setText("Files by ending (e.g. '*.txt')"); btnEnding.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { super.widgetSelected(e); grEnding.setEnabled(btnEnding.getSelection()); for (Button endButton : endBtns) { endButton.setEnabled(btnEnding.getSelection()); } if (btnEnding.getSelection()) { if (endBtns.length < 1) { setMessage("There are no files in the store yet.", IMessageProvider.WARNING); } else { setMessage("Select a number of file extension to specify artifacts.", IMessageProvider.INFORMATION); } } } }); grEnding = new Group(parent, SWT.NONE); grEnding.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); grEnding.setLayout(new GridLayout(6, false)); grEnding.setEnabled(false); String[] endings = StoreUtil.INSTANCE.grabFileEndings(container); endBtns = new Button[endings.length]; for (int i = 0; i < endings.length; i++) { Button btnEnding = new Button(grEnding, SWT.CHECK); btnEnding.setLayoutData(new GridData(SWT.BEGINNING, SWT.CENTER, false, false)); btnEnding.setText("*." + endings[i]); btnEnding.setEnabled(false); endBtns[i] = btnEnding; } btnCustom = new Button(parent, SWT.RADIO); btnCustom.setLayoutData(new GridData(SWT.BEGINNING, SWT.TOP, false, false)); btnCustom.setText("Files by custom pattern (e.g. '*test?.java')"); btnCustom.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { super.widgetSelected(e); txtCustom.setEnabled(btnCustom.getSelection()); if (btnCustom.getSelection()) { setMessage("Specify your own filter pattern. Use wildcards:\n " + "'?' = any character, '*' = any string.", IMessageProvider.INFORMATION); } } }); btnCustom.setEnabled(false); txtCustom = new Text(parent, SWT.SINGLE | SWT.LEAD | SWT.BORDER); txtCustom.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false)); txtCustom.setEnabled(false); Label lblSepBottom = new Label(parent, SWT.SEPARATOR | SWT.HORIZONTAL); GridData ldSep2 = new GridData(SWT.FILL, SWT.FILL, false, false); ldSep2.horizontalSpan = 2; ldSep2.verticalIndent = 10; lblSepBottom.setLayoutData(ldSep2); return parent; } @Override protected void createButtonsForButtonBar(Composite parent) { createOkButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true); createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false); } protected Button createOkButton(Composite parent, int id, String label, boolean defaultButton) { // increment the number of columns in the button bar ((GridLayout) parent.getLayout()).numColumns++; Button button = new Button(parent, SWT.PUSH); button.setText(label); button.setFont(JFaceResources.getDialogFont()); button.setData(new Integer(id)); button.addSelectionListener(new SelectionAdapter() { public void widgetSelected(SelectionEvent event) { if (btnEnding.getSelection()) { if (endBtns.length < 1) { setMessage("There are no files in the store yet.", IMessageProvider.ERROR); return; } boolean nothingSelected = true; for (Button btn : endBtns) { if (btn.getSelection()) { nothingSelected = false; break; } } if (nothingSelected) { setMessage("Please select at least one file extension.", IMessageProvider.ERROR); return; } } if (btnCustom.getSelection() && txtCustom.getText().length() == 0) { setMessage("Please specify a filter pattern", IMessageProvider.ERROR); return; } createStore(); buttonPressed(((Integer) event.widget.getData()).intValue()); } }); if (defaultButton) { Shell shell = parent.getShell(); if (shell != null) { shell.setDefaultButton(button); } } setButtonLayoutData(button); return button; } private void createStore() { List<String> patterns = new ArrayList<String>(1); if (btnAll.getSelection()) { patterns.add(PATTERN_ALL); } else if (btnCustom.getSelection()) { patterns.add(txtCustom.getText()); } else if (btnEnding.getSelection()) { for (Button btn : endBtns) { if (btn.getSelection()) { patterns.add(btn.getText()); } } } store = StoreUtil.INSTANCE.buildStore(patterns, container); } }