rms/org.eclipse.ptp.rm.jaxb.ui/src/org/eclipse/ptp/rm/jaxb/ui/util/WidgetActionUtils.java - ptp/org.eclipse.ptp - Git at Google

 /*******************************************************************************
  * Copyright (c) 2011 University of Illinois 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:
  * 	Albert L. Rossi - design and implementation
  ******************************************************************************/

 package org.eclipse.ptp.rm.jaxb.ui.util;

 import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.text.DateFormat;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
 import java.util.Date;

 import org.eclipse.core.filesystem.EFS;
 import org.eclipse.core.filesystem.IFileInfo;
 import org.eclipse.core.filesystem.IFileStore;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.NullProgressMonitor;
 import org.eclipse.jface.dialogs.InputDialog;
 import org.eclipse.jface.dialogs.MessageDialog;
 import org.eclipse.jface.window.Window;
 import org.eclipse.ptp.remote.core.IRemoteFileManager;
 import org.eclipse.ptp.rm.jaxb.core.data.FileMatch;
 import org.eclipse.ptp.rm.jaxb.core.data.Regex;
 import org.eclipse.ptp.rm.jaxb.core.data.Validator;
 import org.eclipse.ptp.rm.jaxb.core.data.impl.RegexImpl;
 import org.eclipse.ptp.rm.jaxb.core.exceptions.UnsatisfiedMatchException;
 import org.eclipse.ptp.rm.jaxb.ui.IJAXBUINonNLSConstants;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.widgets.Button;
 import org.eclipse.swt.widgets.Combo;
 import org.eclipse.swt.widgets.Control;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.swt.widgets.Spinner;
 import org.eclipse.swt.widgets.Text;

 public class WidgetActionUtils implements IJAXBUINonNLSConstants {

 	private WidgetActionUtils() {
 	}

 	public static void errorMessage(Shell s, Throwable e, String message, String title, boolean causeTrace) {
 		String append = e == null ? ZEROSTR : e.getMessage();
 		Throwable t = e == null ? null : e.getCause();
 		String lineSep = LINE_SEP;
 		if (causeTrace) {
 			StringWriter sw = new StringWriter();
 			PrintWriter pw = new PrintWriter(sw);
 			if (t != null) {
 				t.printStackTrace(pw);
 				append = sw.toString();
 			}
 		} else if (t != null) {
 			append = t.getMessage();
 		}
 		MessageDialog.openError(s, title, message + lineSep + lineSep + append);
 	}

 	public static String getSelected(Combo combo) {
 		if (combo.getItemCount() == 0) {
 			return combo.getText();
 		}
 		int i = combo.getSelectionIndex();
 		if (i < 0) {
 			return combo.getText();
 		}
 		return combo.getItem(i);
 	}

 	public static String getValueString(Control uiElement) {
 		assert uiElement != null;
 		String s = null;

 		if (uiElement instanceof Label) {
 			Label c = (Label) uiElement;
 			s = c.getText();
 		}
 		if (uiElement instanceof Text) {
 			Text c = (Text) uiElement;
 			s = c.getText();
 		}
 		if (uiElement instanceof Combo) {
 			Combo c = (Combo) uiElement;
 			s = getSelected(c);
 		}
 		if (uiElement instanceof Spinner) {
 			Spinner c = (Spinner) uiElement;
 			s = ZEROSTR + c.getSelection();
 		}
 		if (uiElement instanceof Button) {
 			Button c = (Button) uiElement;
 			int style = c.getStyle();
 			if ((style == (style | SWT.CHECK)) || (style == (style | SWT.RADIO))) {
 				s = ZEROSTR + c.getSelection();
 			}
 		}

 		if (s != null) {
 			s = s.trim();
 			return (s.length() == 0 ? null : s);
 		}
 		return null;
 	}

 	public static boolean isSettable(Control uiElement) {
 		if (uiElement instanceof Label) {
 			return true;
 		}
 		if (uiElement instanceof Text) {
 			return true;
 		}
 		if (uiElement instanceof Combo) {
 			return true;
 		}
 		if (uiElement instanceof Spinner) {
 			return true;
 		}
 		if (uiElement instanceof Button) {
 			Button b = (Button) uiElement;
 			int style = b.getStyle();
 			return (style == (style | SWT.CHECK)) || (style == (style | SWT.RADIO));
 		}
 		return false;
 	}

 	public static String openInputDialog(Shell shell, String message, String title, String original) {
 		InputDialog nameDialog = new InputDialog(shell, message, title, original, null);
 		if (nameDialog.open() != Window.CANCEL) {
 			return nameDialog.getValue();
 		}
 		return null;
 	}

 	public static String select(Combo combo, String name) {
 		String[] items = combo.getItems();
 		if (items.length == 0) {
 			return ZEROSTR;
 		}
 		int i = 0;
 		for (; i < items.length; i++) {
 			if (items[i].equals(name)) {
 				combo.select(i);
 				break;
 			}
 		}
 		if (i == items.length) {
 			i = 0;
 			combo.select(i);
 		}
 		return combo.getItem(i);
 	}

 	public static void setValue(Control uiElement, String value) {
 		assert uiElement != null;
 		if (value == null) {
 			value = ZEROSTR;
 		}

 		if (uiElement instanceof Label) {
 			Label c = (Label) uiElement;
 			c.setText(value);
 		}
 		if (uiElement instanceof Text) {
 			Text c = (Text) uiElement;
 			c.setText(value);
 		}
 		if (uiElement instanceof Combo) {
 			Combo c = (Combo) uiElement;
 			select(c, value);
 		}
 		if (uiElement instanceof Spinner) {
 			Spinner c = (Spinner) uiElement;
 			c.setSelection(Integer.parseInt(value));
 		}
 		if (uiElement instanceof Button) {
 			Button c = (Button) uiElement;
 			int style = c.getStyle();
 			if ((style == (style | SWT.CHECK)) || (style == (style | SWT.RADIO))) {
 				c.setSelection(Boolean.parseBoolean(value));
 			}
 		}
 	}

 	/**
 	 * If the text is empty and there is a default value, resets the widget
 	 * value to its default.
 	 */
 	public static void validate(Control c, String defaultV) {
 		String value = getValueString(c);
 		if (value == null && defaultV != null) {
 			setValue(c, defaultV);
 		}
 	}

 	/**
 	 * If validation fails, resets the widget value to its default and throws an
 	 * exception.
 	 */
 	public static void validate(Control c, Validator v, String defaultV, IRemoteFileManager fileManager) throws Exception {
 		String value = getValueString(c);
 		Regex reg = v.getRegex();
 		String error = v.getErrorMessage();

 		if (error == null) {
 			error = ZEROSTR;
 		}

 		if (reg != null && new RegexImpl(reg).getMatched(value) == null) {
 			throw new UnsatisfiedMatchException(error + CO + SP + reg.getExpression() + CM + SP + value);
 		} else {
 			FileMatch match = v.getFileInfo();
 			try {
 				if (match != null && !validate(match, value, fileManager)) {
 					throw new UnsatisfiedMatchException(error + CO + SP + value);
 				}
 			} catch (CoreException ce) {
 				throw new UnsatisfiedMatchException(ce);
 			}
 		}
 	}

 	private static int getAttributeValue(String efsAttrStr) {
 		int attributes = 0;
 		String[] split = efsAttrStr.split(PIP);
 		for (String s : split) {
 			s = s.trim();
 			if (ATTRIBUTE_READ_ONLY.equals(s)) {
 				attributes |= EFS.ATTRIBUTE_READ_ONLY;
 			} else if (ATTRIBUTE_IMMUTABLE.equals(s)) {
 				attributes |= EFS.ATTRIBUTE_IMMUTABLE;
 			} else if (ATTRIBUTE_OWNER_READ.equals(s)) {
 				attributes |= EFS.ATTRIBUTE_OWNER_READ;
 			} else if (ATTRIBUTE_OWNER_WRITE.equals(s)) {
 				attributes |= EFS.ATTRIBUTE_OWNER_WRITE;
 			} else if (ATTRIBUTE_OWNER_EXECUTE.equals(s)) {
 				attributes |= EFS.ATTRIBUTE_OWNER_EXECUTE;
 			} else if (ATTRIBUTE_GROUP_READ.equals(s)) {
 				attributes |= EFS.ATTRIBUTE_GROUP_READ;
 			} else if (ATTRIBUTE_GROUP_WRITE.equals(s)) {
 				attributes |= EFS.ATTRIBUTE_GROUP_WRITE;
 			} else if (ATTRIBUTE_GROUP_EXECUTE.equals(s)) {
 				attributes |= EFS.ATTRIBUTE_GROUP_EXECUTE;
 			} else if (ATTRIBUTE_OTHER_READ.equals(s)) {
 				attributes |= EFS.ATTRIBUTE_OTHER_READ;
 			} else if (ATTRIBUTE_OTHER_WRITE.equals(s)) {
 				attributes |= EFS.ATTRIBUTE_OTHER_WRITE;
 			} else if (ATTRIBUTE_OTHER_EXECUTE.equals(s)) {
 				attributes |= EFS.ATTRIBUTE_OTHER_EXECUTE;
 			} else if (ATTRIBUTE_EXECUTABLE.equals(s)) {
 				attributes |= EFS.ATTRIBUTE_EXECUTABLE;
 			} else if (ATTRIBUTE_ARCHIVE.equals(s)) {
 				attributes |= EFS.ATTRIBUTE_ARCHIVE;
 			} else if (ATTRIBUTE_HIDDEN.equals(s)) {
 				attributes |= EFS.ATTRIBUTE_HIDDEN;
 			} else if (ATTRIBUTE_SYMLINK.equals(s)) {
 				attributes |= EFS.ATTRIBUTE_SYMLINK;
 			} else if (ATTRIBUTE_LINK_TARGET.equals(s)) {
 				attributes |= EFS.ATTRIBUTE_LINK_TARGET;
 			}
 		}
 		return attributes;
 	}

 	private static Long getTimeInMillis(String dateTime) {
 		DateFormat formatter = new SimpleDateFormat(DATE_FORMAT);
 		try {
 			Date d = formatter.parse(dateTime);
 			return new Long(d.getTime());
 		} catch (ParseException pe) {
 			return null;
 		}
 	}

 	private static boolean validate(FileMatch match, String value, IRemoteFileManager fileManager) throws CoreException {
 		if (fileManager == null) {
 			return false;
 		}
 		IFileStore rres = fileManager.getResource(value);
 		IFileInfo info = rres.fetchInfo(EFS.NONE, new NullProgressMonitor());
 		if (!info.exists()) {
 			return false;
 		}
 		if (match.isIsDirectory() != info.isDirectory()) {
 			return false;
 		}
 		Long len = match.getLength();
 		if (len != null && len != info.getLength()) {
 			return false;
 		}
 		String date = match.getLastModifiedAfter();
 		if (date != null) {
 			Long t = getTimeInMillis(date);
 			if (t != null && t > info.getLastModified()) {
 				return false;
 			}
 		}

 		date = match.getLastModifiedBefore();
 		if (date != null) {
 			Long t = getTimeInMillis(date);
 			if (t != null && t < info.getLastModified()) {
 				return false;
 			}
 		}

 		String attributes = match.getEfsAttributes();
 		int a = getAttributeValue(attributes);
 		if (!info.getAttribute(a)) {
 			return false;
 		}

 		return true;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2011 University of Illinois 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:
	* Albert L. Rossi - design and implementation
	******************************************************************************/

	package org.eclipse.ptp.rm.jaxb.ui.util;

	import java.io.PrintWriter;
	import java.io.StringWriter;
	import java.text.DateFormat;
	import java.text.ParseException;
	import java.text.SimpleDateFormat;
	import java.util.Date;

	import org.eclipse.core.filesystem.EFS;
	import org.eclipse.core.filesystem.IFileInfo;
	import org.eclipse.core.filesystem.IFileStore;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.NullProgressMonitor;
	import org.eclipse.jface.dialogs.InputDialog;
	import org.eclipse.jface.dialogs.MessageDialog;
	import org.eclipse.jface.window.Window;
	import org.eclipse.ptp.remote.core.IRemoteFileManager;
	import org.eclipse.ptp.rm.jaxb.core.data.FileMatch;
	import org.eclipse.ptp.rm.jaxb.core.data.Regex;
	import org.eclipse.ptp.rm.jaxb.core.data.Validator;
	import org.eclipse.ptp.rm.jaxb.core.data.impl.RegexImpl;
	import org.eclipse.ptp.rm.jaxb.core.exceptions.UnsatisfiedMatchException;
	import org.eclipse.ptp.rm.jaxb.ui.IJAXBUINonNLSConstants;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.widgets.Button;
	import org.eclipse.swt.widgets.Combo;
	import org.eclipse.swt.widgets.Control;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.swt.widgets.Spinner;
	import org.eclipse.swt.widgets.Text;

	public class WidgetActionUtils implements IJAXBUINonNLSConstants {

	private WidgetActionUtils() {
	}

	public static void errorMessage(Shell s, Throwable e, String message, String title, boolean causeTrace) {
	String append = e == null ? ZEROSTR : e.getMessage();
	Throwable t = e == null ? null : e.getCause();
	String lineSep = LINE_SEP;
	if (causeTrace) {
	StringWriter sw = new StringWriter();
	PrintWriter pw = new PrintWriter(sw);
	if (t != null) {
	t.printStackTrace(pw);
	append = sw.toString();
	}
	} else if (t != null) {
	append = t.getMessage();
	}
	MessageDialog.openError(s, title, message + lineSep + lineSep + append);
	}

	public static String getSelected(Combo combo) {
	if (combo.getItemCount() == 0) {
	return combo.getText();
	}
	int i = combo.getSelectionIndex();
	if (i < 0) {
	return combo.getText();
	}
	return combo.getItem(i);
	}

	public static String getValueString(Control uiElement) {
	assert uiElement != null;
	String s = null;

	if (uiElement instanceof Label) {
	Label c = (Label) uiElement;
	s = c.getText();
	}
	if (uiElement instanceof Text) {
	Text c = (Text) uiElement;
	s = c.getText();
	}
	if (uiElement instanceof Combo) {
	Combo c = (Combo) uiElement;
	s = getSelected(c);
	}
	if (uiElement instanceof Spinner) {
	Spinner c = (Spinner) uiElement;
	s = ZEROSTR + c.getSelection();
	}
	if (uiElement instanceof Button) {
	Button c = (Button) uiElement;
	int style = c.getStyle();
	if ((style == (style \| SWT.CHECK)) \|\| (style == (style \| SWT.RADIO))) {
	s = ZEROSTR + c.getSelection();
	}
	}

	if (s != null) {
	s = s.trim();
	return (s.length() == 0 ? null : s);
	}
	return null;
	}

	public static boolean isSettable(Control uiElement) {
	if (uiElement instanceof Label) {
	return true;
	}
	if (uiElement instanceof Text) {
	return true;
	}
	if (uiElement instanceof Combo) {
	return true;
	}
	if (uiElement instanceof Spinner) {
	return true;
	}
	if (uiElement instanceof Button) {
	Button b = (Button) uiElement;
	int style = b.getStyle();
	return (style == (style \| SWT.CHECK)) \|\| (style == (style \| SWT.RADIO));
	}
	return false;
	}

	public static String openInputDialog(Shell shell, String message, String title, String original) {
	InputDialog nameDialog = new InputDialog(shell, message, title, original, null);
	if (nameDialog.open() != Window.CANCEL) {
	return nameDialog.getValue();
	}
	return null;
	}

	public static String select(Combo combo, String name) {
	String[] items = combo.getItems();
	if (items.length == 0) {
	return ZEROSTR;
	}
	int i = 0;
	for (; i < items.length; i++) {
	if (items[i].equals(name)) {
	combo.select(i);
	break;
	}
	}
	if (i == items.length) {
	i = 0;
	combo.select(i);
	}
	return combo.getItem(i);
	}

	public static void setValue(Control uiElement, String value) {
	assert uiElement != null;
	if (value == null) {
	value = ZEROSTR;
	}

	if (uiElement instanceof Label) {
	Label c = (Label) uiElement;
	c.setText(value);
	}
	if (uiElement instanceof Text) {
	Text c = (Text) uiElement;
	c.setText(value);
	}
	if (uiElement instanceof Combo) {
	Combo c = (Combo) uiElement;
	select(c, value);
	}
	if (uiElement instanceof Spinner) {
	Spinner c = (Spinner) uiElement;
	c.setSelection(Integer.parseInt(value));
	}
	if (uiElement instanceof Button) {
	Button c = (Button) uiElement;
	int style = c.getStyle();
	if ((style == (style \| SWT.CHECK)) \|\| (style == (style \| SWT.RADIO))) {
	c.setSelection(Boolean.parseBoolean(value));
	}
	}
	}

	/**
	* If the text is empty and there is a default value, resets the widget
	* value to its default.
	*/
	public static void validate(Control c, String defaultV) {
	String value = getValueString(c);
	if (value == null && defaultV != null) {
	setValue(c, defaultV);
	}
	}

	/**
	* If validation fails, resets the widget value to its default and throws an
	* exception.
	*/
	public static void validate(Control c, Validator v, String defaultV, IRemoteFileManager fileManager) throws Exception {
	String value = getValueString(c);
	Regex reg = v.getRegex();
	String error = v.getErrorMessage();

	if (error == null) {
	error = ZEROSTR;
	}

	if (reg != null && new RegexImpl(reg).getMatched(value) == null) {
	throw new UnsatisfiedMatchException(error + CO + SP + reg.getExpression() + CM + SP + value);
	} else {
	FileMatch match = v.getFileInfo();
	try {
	if (match != null && !validate(match, value, fileManager)) {
	throw new UnsatisfiedMatchException(error + CO + SP + value);
	}
	} catch (CoreException ce) {
	throw new UnsatisfiedMatchException(ce);
	}
	}
	}

	private static int getAttributeValue(String efsAttrStr) {
	int attributes = 0;
	String[] split = efsAttrStr.split(PIP);
	for (String s : split) {
	s = s.trim();
	if (ATTRIBUTE_READ_ONLY.equals(s)) {
	attributes \|= EFS.ATTRIBUTE_READ_ONLY;
	} else if (ATTRIBUTE_IMMUTABLE.equals(s)) {
	attributes \|= EFS.ATTRIBUTE_IMMUTABLE;
	} else if (ATTRIBUTE_OWNER_READ.equals(s)) {
	attributes \|= EFS.ATTRIBUTE_OWNER_READ;
	} else if (ATTRIBUTE_OWNER_WRITE.equals(s)) {
	attributes \|= EFS.ATTRIBUTE_OWNER_WRITE;
	} else if (ATTRIBUTE_OWNER_EXECUTE.equals(s)) {
	attributes \|= EFS.ATTRIBUTE_OWNER_EXECUTE;
	} else if (ATTRIBUTE_GROUP_READ.equals(s)) {
	attributes \|= EFS.ATTRIBUTE_GROUP_READ;
	} else if (ATTRIBUTE_GROUP_WRITE.equals(s)) {
	attributes \|= EFS.ATTRIBUTE_GROUP_WRITE;
	} else if (ATTRIBUTE_GROUP_EXECUTE.equals(s)) {
	attributes \|= EFS.ATTRIBUTE_GROUP_EXECUTE;
	} else if (ATTRIBUTE_OTHER_READ.equals(s)) {
	attributes \|= EFS.ATTRIBUTE_OTHER_READ;
	} else if (ATTRIBUTE_OTHER_WRITE.equals(s)) {
	attributes \|= EFS.ATTRIBUTE_OTHER_WRITE;
	} else if (ATTRIBUTE_OTHER_EXECUTE.equals(s)) {
	attributes \|= EFS.ATTRIBUTE_OTHER_EXECUTE;
	} else if (ATTRIBUTE_EXECUTABLE.equals(s)) {
	attributes \|= EFS.ATTRIBUTE_EXECUTABLE;
	} else if (ATTRIBUTE_ARCHIVE.equals(s)) {
	attributes \|= EFS.ATTRIBUTE_ARCHIVE;
	} else if (ATTRIBUTE_HIDDEN.equals(s)) {
	attributes \|= EFS.ATTRIBUTE_HIDDEN;
	} else if (ATTRIBUTE_SYMLINK.equals(s)) {
	attributes \|= EFS.ATTRIBUTE_SYMLINK;
	} else if (ATTRIBUTE_LINK_TARGET.equals(s)) {
	attributes \|= EFS.ATTRIBUTE_LINK_TARGET;
	}
	}
	return attributes;
	}

	private static Long getTimeInMillis(String dateTime) {
	DateFormat formatter = new SimpleDateFormat(DATE_FORMAT);
	try {
	Date d = formatter.parse(dateTime);
	return new Long(d.getTime());
	} catch (ParseException pe) {
	return null;
	}
	}

	private static boolean validate(FileMatch match, String value, IRemoteFileManager fileManager) throws CoreException {
	if (fileManager == null) {
	return false;
	}
	IFileStore rres = fileManager.getResource(value);
	IFileInfo info = rres.fetchInfo(EFS.NONE, new NullProgressMonitor());
	if (!info.exists()) {
	return false;
	}
	if (match.isIsDirectory() != info.isDirectory()) {
	return false;
	}
	Long len = match.getLength();
	if (len != null && len != info.getLength()) {
	return false;
	}
	String date = match.getLastModifiedAfter();
	if (date != null) {
	Long t = getTimeInMillis(date);
	if (t != null && t > info.getLastModified()) {
	return false;
	}
	}

	date = match.getLastModifiedBefore();
	if (date != null) {
	Long t = getTimeInMillis(date);
	if (t != null && t < info.getLastModified()) {
	return false;
	}
	}

	String attributes = match.getEfsAttributes();
	int a = getAttributeValue(attributes);
	if (!info.getAttribute(a)) {
	return false;
	}

	return true;
	}
	}