Java tutorial
/******************************************************************************* * Copyright (c) 2010, 2014 Ericsson * * 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: * Patrick Tasse - Initial API and implementation *******************************************************************************/ package org.eclipse.linuxtools.internal.tmf.ui.dialogs; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.MessageDialog; import org.eclipse.jface.window.Window; import org.eclipse.jface.wizard.WizardDialog; import org.eclipse.linuxtools.internal.tmf.ui.Activator; import org.eclipse.linuxtools.internal.tmf.ui.Messages; import org.eclipse.linuxtools.internal.tmf.ui.parsers.wizards.CustomTxtParserWizard; import org.eclipse.linuxtools.internal.tmf.ui.parsers.wizards.CustomXmlParserWizard; import org.eclipse.linuxtools.tmf.core.parsers.custom.CustomTraceDefinition; import org.eclipse.linuxtools.tmf.core.parsers.custom.CustomTxtTraceDefinition; import org.eclipse.linuxtools.tmf.core.parsers.custom.CustomXmlTraceDefinition; import org.eclipse.linuxtools.tmf.core.project.model.TmfTraceType; import org.eclipse.linuxtools.tmf.core.project.model.TraceTypeHelper; import org.eclipse.osgi.util.NLS; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.SelectionListener; import org.eclipse.swt.graphics.Image; 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.Display; import org.eclipse.swt.widgets.FileDialog; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.List; import org.eclipse.swt.widgets.Shell; /** * Dialog for custom text parsers. * * @author Patrick Tass */ public class ManageCustomParsersDialog extends Dialog { private static final String SEP = " : "; //$NON-NLS-1$ private static final int SEP_LEN = SEP.length(); private static final Image image = Activator.getDefault() .getImageFromPath("/icons/etool16/customparser_wizard.gif"); //$NON-NLS-1$ Button txtButton; Button xmlButton; List parserList; Button newButton; Button editButton; Button deleteButton; Button importButton; Button exportButton; /** * Constructor * * @param parent * Parent shell of this dialog */ public ManageCustomParsersDialog(Shell parent) { super(parent); setShellStyle(SWT.RESIZE | SWT.MAX | getShellStyle()); } @Override protected Control createDialogArea(Composite parent) { getShell().setText(Messages.ManageCustomParsersDialog_DialogHeader); getShell().setImage(image); Composite composite = (Composite) super.createDialogArea(parent); composite.setLayout(new GridLayout(2, false)); Composite listContainer = new Composite(composite, SWT.NONE); listContainer.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); GridLayout lcgl = new GridLayout(); lcgl.marginHeight = 0; lcgl.marginWidth = 0; listContainer.setLayout(lcgl); Composite radioContainer = new Composite(listContainer, SWT.NONE); GridLayout rcgl = new GridLayout(2, true); rcgl.marginHeight = 0; rcgl.marginWidth = 0; radioContainer.setLayout(rcgl); txtButton = new Button(radioContainer, SWT.RADIO); txtButton.setText(Messages.ManageCustomParsersDialog_TextButtonLabel); txtButton.setSelection(true); txtButton.addSelectionListener(new SelectionListener() { @Override public void widgetDefaultSelected(SelectionEvent e) { } @Override public void widgetSelected(SelectionEvent e) { fillParserList(); } }); xmlButton = new Button(radioContainer, SWT.RADIO); xmlButton.setText("XML"); //$NON-NLS-1$ xmlButton.addSelectionListener(new SelectionListener() { @Override public void widgetDefaultSelected(SelectionEvent e) { } @Override public void widgetSelected(SelectionEvent e) { fillParserList(); } }); parserList = new List(listContainer, SWT.SINGLE | SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL); parserList.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true)); parserList.addSelectionListener(new SelectionListener() { @Override public void widgetDefaultSelected(SelectionEvent e) { } @Override public void widgetSelected(SelectionEvent e) { if (parserList.getSelectionCount() == 0) { editButton.setEnabled(false); deleteButton.setEnabled(false); exportButton.setEnabled(false); } else { editButton.setEnabled(true); deleteButton.setEnabled(true); exportButton.setEnabled(true); } } }); Composite buttonContainer = new Composite(composite, SWT.NULL); buttonContainer.setLayout(new GridLayout()); buttonContainer.setLayoutData(new GridData(SWT.CENTER, SWT.TOP, false, false)); newButton = new Button(buttonContainer, SWT.PUSH); newButton.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false)); newButton.setText(Messages.ManageCustomParsersDialog_NewButtonLabel); newButton.addSelectionListener(new SelectionListener() { @Override public void widgetDefaultSelected(SelectionEvent e) { } @Override public void widgetSelected(SelectionEvent e) { WizardDialog dialog = null; if (txtButton.getSelection()) { dialog = new WizardDialog(getShell(), new CustomTxtParserWizard()); } else if (xmlButton.getSelection()) { dialog = new WizardDialog(getShell(), new CustomXmlParserWizard()); } if (dialog != null) { dialog.open(); if (dialog.getReturnCode() == Window.OK) { fillParserList(); } } } }); editButton = new Button(buttonContainer, SWT.PUSH); editButton.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false)); editButton.setText(Messages.ManageCustomParsersDialog_EditButtonLabel); editButton.setEnabled(false); editButton.addSelectionListener(new SelectionListener() { @Override public void widgetDefaultSelected(SelectionEvent e) { } @Override public void widgetSelected(SelectionEvent e) { WizardDialog dialog = null; String selection = parserList.getSelection()[0]; String category = selection.substring(0, selection.indexOf(SEP)); String name = selection.substring(selection.indexOf(SEP) + SEP_LEN); if (txtButton.getSelection()) { dialog = new WizardDialog(getShell(), new CustomTxtParserWizard(CustomTxtTraceDefinition.load(category, name))); } else if (xmlButton.getSelection()) { dialog = new WizardDialog(getShell(), new CustomXmlParserWizard(CustomXmlTraceDefinition.load(category, name))); } if (dialog != null) { dialog.open(); if (dialog.getReturnCode() == Window.OK) { fillParserList(); } } } }); deleteButton = new Button(buttonContainer, SWT.PUSH); deleteButton.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false)); deleteButton.setText(Messages.ManageCustomParsersDialog_DeleteButtonLabel); deleteButton.setEnabled(false); deleteButton.addSelectionListener(new SelectionListener() { @Override public void widgetDefaultSelected(SelectionEvent e) { } @Override public void widgetSelected(SelectionEvent e) { boolean confirm = MessageDialog.openQuestion(getShell(), Messages.ManageCustomParsersDialog_DeleteParserDialogHeader, Messages.ManageCustomParsersDialog_DeleteConfirmation + parserList.getSelection()[0] + "?"); //$NON-NLS-1$ if (confirm) { String selection = parserList.getSelection()[0]; String category = selection.substring(0, selection.indexOf(SEP)); String name = selection.substring(selection.indexOf(SEP) + SEP_LEN); if (txtButton.getSelection()) { CustomTxtTraceDefinition.delete(category, name); } else if (xmlButton.getSelection()) { CustomXmlTraceDefinition.delete(category, name); } fillParserList(); } } }); new Label(buttonContainer, SWT.NONE); // filler importButton = new Button(buttonContainer, SWT.PUSH); importButton.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false)); importButton.setText(Messages.ManageCustomParsersDialog_ImportButtonLabel); importButton.addSelectionListener(new SelectionListener() { @Override public void widgetDefaultSelected(SelectionEvent e) { } @Override public void widgetSelected(SelectionEvent e) { FileDialog dialog = new FileDialog(Display.getCurrent().getActiveShell(), SWT.OPEN); dialog.setText(Messages.ManageCustomParsersDialog_ImportParserSelection); dialog.setFilterExtensions(new String[] { "*.xml", "*" }); //$NON-NLS-1$ //$NON-NLS-2$ String path = dialog.open(); if (path != null) { CustomTraceDefinition[] defs = null; if (txtButton.getSelection()) { defs = CustomTxtTraceDefinition.loadAll(path); } else if (xmlButton.getSelection()) { defs = CustomXmlTraceDefinition.loadAll(path); } if (defs != null && defs.length > 0) { for (CustomTraceDefinition def : defs) { boolean ok = checkNameConflict(def); if (ok) { def.save(); } } fillParserList(); } } } }); exportButton = new Button(buttonContainer, SWT.PUSH); exportButton.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, false, false)); exportButton.setText(Messages.ManageCustomParsersDialog_ExportButtonLabel); exportButton.setEnabled(false); exportButton.addSelectionListener(new SelectionListener() { @Override public void widgetDefaultSelected(SelectionEvent e) { } @Override public void widgetSelected(SelectionEvent e) { FileDialog dialog = new FileDialog(Display.getCurrent().getActiveShell(), SWT.SAVE); dialog.setText( Messages.ManageCustomParsersDialog_ExportParserSelection + parserList.getSelection()[0]); dialog.setFilterExtensions(new String[] { "*.xml", "*" }); //$NON-NLS-1$ //$NON-NLS-2$ String path = dialog.open(); if (path != null) { String selection = parserList.getSelection()[0]; String category = selection.substring(0, selection.indexOf(SEP)); String name = selection.substring(selection.indexOf(SEP) + SEP_LEN); CustomTraceDefinition def = null; if (txtButton.getSelection()) { def = CustomTxtTraceDefinition.load(category, name); } else if (xmlButton.getSelection()) { def = CustomXmlTraceDefinition.load(category, name); } if (def != null) { def.save(path); } } } }); fillParserList(); getShell().setMinimumSize(300, 275); return composite; } @Override protected void createButtonsForButtonBar(Composite parent) { createButton(parent, IDialogConstants.OK_ID, IDialogConstants.CLOSE_LABEL, false); } private void fillParserList() { parserList.removeAll(); if (txtButton.getSelection()) { for (CustomTxtTraceDefinition def : CustomTxtTraceDefinition.loadAll(false)) { parserList.add(def.categoryName + SEP + def.definitionName); } } else if (xmlButton.getSelection()) { for (CustomXmlTraceDefinition def : CustomXmlTraceDefinition.loadAll(false)) { parserList.add(def.categoryName + SEP + def.definitionName); } } editButton.setEnabled(false); deleteButton.setEnabled(false); exportButton.setEnabled(false); } private boolean checkNameConflict(CustomTraceDefinition def) { for (TraceTypeHelper helper : TmfTraceType.getTraceTypeHelpers()) { if (def.categoryName.equals(helper.getCategoryName()) && def.definitionName.equals(helper.getName())) { String newName = findAvailableName(def); MessageDialog dialog = new MessageDialog(getShell(), null, null, NLS.bind(Messages.ManageCustomParsersDialog_ConflictMessage, new Object[] { def.categoryName, def.definitionName, newName }), MessageDialog.QUESTION, new String[] { Messages.ManageCustomParsersDialog_ConflictRenameButtonLabel, Messages.ManageCustomParsersDialog_ConflictSkipButtonLabel }, 0); int result = dialog.open(); if (result == 0) { def.definitionName = newName; return true; } return false; } } return true; } private static String findAvailableName(CustomTraceDefinition def) { int i = 2; Iterable<TraceTypeHelper> helpers = TmfTraceType.getTraceTypeHelpers(); while (true) { String newName = def.definitionName + '(' + Integer.toString(i++) + ')'; boolean available = true; for (TraceTypeHelper helper : helpers) { if (def.categoryName.equals(helper.getCategoryName()) && newName.equals(helper.getName())) { available = false; break; } } if (available) { return newName; } } } }