memory/org.eclipse.cdt.debug.ui.memory.transport/src/org/eclipse/cdt/debug/ui/memory/transport/PlainTextExporter.java - cdt/org.eclipse.cdt - Git at Google

 /*******************************************************************************
  * Copyright (c) 2006, 2016 Wind River Systems, Inc. and others.
  *
  * This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License 2.0
  * which accompanies this distribution, and is available at
  * https://www.eclipse.org/legal/epl-2.0/
  *
  * SPDX-License-Identifier: EPL-2.0
  *
  * Contributors:
  *     Ted R Williams (Wind River Systems, Inc.) - initial implementation
  *******************************************************************************/

 package org.eclipse.cdt.debug.ui.memory.transport;

 import java.io.File;
 import java.math.BigInteger;

 import org.eclipse.cdt.debug.core.memory.transport.ExportRequest;
 import org.eclipse.cdt.debug.core.memory.transport.IReadMemory;
 import org.eclipse.cdt.debug.internal.core.memory.transport.PlainTextExport;
 import org.eclipse.cdt.debug.internal.core.memory.transport.ReadMemoryBlock;
 import org.eclipse.cdt.debug.internal.core.memory.transport.TransportJob;
 import org.eclipse.cdt.debug.internal.ui.memory.transport.AddressableSize;
 import org.eclipse.cdt.debug.ui.memory.transport.model.IMemoryExporter;
 import org.eclipse.debug.core.model.IMemoryBlock;
 import org.eclipse.debug.core.model.IMemoryBlockExtension;
 import org.eclipse.jface.dialogs.IDialogSettings;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.KeyEvent;
 import org.eclipse.swt.events.KeyListener;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.layout.FormAttachment;
 import org.eclipse.swt.layout.FormData;
 import org.eclipse.swt.layout.FormLayout;
 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.Text;

 public class PlainTextExporter implements IMemoryExporter {

 	File fOutputFile;
 	BigInteger fStartAddress;
 	BigInteger fEndAddress;

 	private Text fStartText;
 	private Text fEndText;
 	private Text fLengthText;
 	private Text fFileText;

 	private IMemoryBlock fMemoryBlock;

 	private ExportMemoryDialog fParentDialog;

 	private IDialogSettings fProperties;

 	@Override
 	public Control createControl(final Composite parent, IMemoryBlock memBlock, IDialogSettings properties,
 			ExportMemoryDialog parentDialog) {
 		fMemoryBlock = memBlock;
 		fParentDialog = parentDialog;
 		fProperties = properties;

 		Composite composite = new Composite(parent, SWT.NONE) {
 			@Override
 			public void dispose() {
 				fProperties.put(TRANSFER_FILE, fFileText.getText().trim());
 				fProperties.put(TRANSFER_START, fStartText.getText().trim());
 				fProperties.put(TRANSFER_END, fEndText.getText().trim());

 				try {
 					fStartAddress = getStartAddress();
 					fEndAddress = getEndAddress();
 					fOutputFile = getFile();
 				} catch (Exception e) {
 				}

 				super.dispose();
 			}
 		};

 		FormLayout formLayout = new FormLayout();
 		formLayout.spacing = 5;
 		formLayout.marginWidth = formLayout.marginHeight = 9;
 		composite.setLayout(formLayout);

 		// start address

 		Label startLabel = new Label(composite, SWT.NONE);
 		startLabel.setText(Messages.getString("PlainTextExporter.StartAddress")); //$NON-NLS-1$
 		FormData data = new FormData();
 		startLabel.setLayoutData(data);

 		fStartText = new Text(composite, SWT.BORDER);
 		data = new FormData();
 		data.left = new FormAttachment(startLabel);
 		data.width = 120;
 		fStartText.setLayoutData(data);

 		// end address

 		Label endLabel = new Label(composite, SWT.NONE);
 		endLabel.setText(Messages.getString("PlainTextExporter.EndAddress")); //$NON-NLS-1$
 		data = new FormData();
 		data.top = new FormAttachment(fStartText, 0, SWT.CENTER);
 		data.left = new FormAttachment(fStartText);
 		endLabel.setLayoutData(data);

 		fEndText = new Text(composite, SWT.BORDER);
 		data = new FormData();
 		data.top = new FormAttachment(fStartText, 0, SWT.CENTER);
 		data.left = new FormAttachment(endLabel);
 		data.width = 120;
 		fEndText.setLayoutData(data);

 		// length

 		Label lengthLabel = new Label(composite, SWT.NONE);
 		lengthLabel.setText(Messages.getString("PlainTextExporter.Length")); //$NON-NLS-1$
 		data = new FormData();
 		data.top = new FormAttachment(fStartText, 0, SWT.CENTER);
 		data.left = new FormAttachment(fEndText);
 		lengthLabel.setLayoutData(data);

 		fLengthText = new Text(composite, SWT.BORDER);
 		data = new FormData();
 		data.top = new FormAttachment(fStartText, 0, SWT.CENTER);
 		data.left = new FormAttachment(lengthLabel);
 		data.width = 120;
 		fLengthText.setLayoutData(data);

 		// file

 		Label fileLabel = new Label(composite, SWT.NONE);
 		fFileText = new Text(composite, SWT.BORDER);
 		Button fileButton = new Button(composite, SWT.PUSH);

 		fileLabel.setText(Messages.getString("Exporter.FileName")); //$NON-NLS-1$
 		data = new FormData();
 		data.top = new FormAttachment(fileButton, 0, SWT.CENTER);
 		fileLabel.setLayoutData(data);

 		data = new FormData();
 		data.top = new FormAttachment(fileButton, 0, SWT.CENTER);
 		data.left = new FormAttachment(fileLabel);
 		data.width = 360;
 		fFileText.setLayoutData(data);

 		fileButton.setText(Messages.getString("Exporter.Browse")); //$NON-NLS-1$
 		data = new FormData();
 		data.top = new FormAttachment(fLengthText);
 		data.left = new FormAttachment(fFileText);
 		fileButton.setLayoutData(data);

 		String textValue = fProperties.get(TRANSFER_FILE);
 		fFileText.setText(textValue != null ? textValue : ""); //$NON-NLS-1$

 		textValue = fProperties.get(TRANSFER_START);
 		fStartText.setText(textValue != null ? textValue : "0x0"); //$NON-NLS-1$

 		try {
 			getStartAddress();
 		} catch (Exception e) {
 			fStartText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 		}

 		textValue = fProperties.get(TRANSFER_END);
 		fEndText.setText(textValue != null ? textValue : "0x0"); //$NON-NLS-1$

 		try {
 			getEndAddress();
 		} catch (Exception e) {
 			fEndText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 		}

 		try {
 			BigInteger length = getEndAddress().subtract(getStartAddress());
 			fLengthText.setText(length.toString());
 			if (length.compareTo(BigInteger.ZERO) <= 0) {
 				fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 			}
 		} catch (Exception e) {
 			fLengthText.setText("0");
 			fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 		}

 		fileButton.addSelectionListener(new SelectionAdapter() {

 			@Override
 			public void widgetSelected(SelectionEvent e) {
 				FileDialog dialog = new FileDialog(parent.getShell(), SWT.SAVE);
 				dialog.setText(Messages.getString("PlainTextExporter.ChooseFile")); //$NON-NLS-1$
 				dialog.setFilterExtensions(new String[] { "*.*;*" }); //$NON-NLS-1$
 				dialog.setFilterNames(new String[] { Messages.getString("Exporter.AllFiles") }); //$NON-NLS-1$
 				dialog.setFileName(fFileText.getText().trim());
 				dialog.open();

 				String filename = dialog.getFileName();
 				if (filename != null && filename.length() != 0) {
 					fFileText.setText(dialog.getFilterPath() + File.separator + filename);
 				}

 				validate();
 			}

 		});

 		fStartText.addKeyListener(new KeyListener() {
 			@Override
 			public void keyReleased(KeyEvent e) {
 				try {
 					fStartText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));
 					fEndText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));
 					fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));

 					BigInteger startAddress = getStartAddress();
 					BigInteger actualLength = getEndAddress().subtract(startAddress);
 					fLengthText.setText(actualLength.toString());

 					if (actualLength.compareTo(BigInteger.ZERO) <= 0) {
 						fStartText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 						fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 					}

 					if (startAddress.compareTo(BigInteger.ZERO) < 0) {
 						fStartText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 						fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 					}

 					BigInteger endAddress = getEndAddress();
 					if (endAddress.compareTo(BigInteger.ZERO) < 0) {
 						fEndText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 						fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 					}
 				} catch (Exception ex) {
 					fStartText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 					fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 				}

 				validate();
 			}

 			@Override
 			public void keyPressed(KeyEvent e) {
 			}
 		});

 		fEndText.addKeyListener(new KeyListener() {
 			@Override
 			public void keyReleased(KeyEvent e) {
 				try {
 					fStartText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));
 					fEndText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));
 					fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));

 					BigInteger actualLength = getEndAddress().subtract(getStartAddress());
 					fLengthText.setText(actualLength.toString());

 					if (actualLength.compareTo(BigInteger.ZERO) <= 0) {
 						fEndText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 						fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 					}

 					BigInteger startAddress = getStartAddress();
 					if (startAddress.compareTo(BigInteger.ZERO) < 0) {
 						fStartText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 						fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 					}

 					BigInteger endAddress = getEndAddress();
 					if (endAddress.compareTo(BigInteger.ZERO) < 0) {
 						fEndText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 						fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 					}
 				} catch (Exception ex) {
 					fEndText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 					fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 				}

 				validate();
 			}

 			@Override
 			public void keyPressed(KeyEvent e) {
 			}

 		});

 		fLengthText.addKeyListener(new KeyListener() {
 			@Override
 			public void keyReleased(KeyEvent e) {
 				try {
 					fStartText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));
 					fEndText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));
 					fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));

 					fStartText.setText(fStartText.getText().trim());

 					BigInteger length = getLength();
 					String endString;
 					BigInteger startAddress = getStartAddress();
 					BigInteger endAddress = startAddress.add(length);

 					if (length.compareTo(BigInteger.ZERO) <= 0) {
 						if (endAddress.compareTo(BigInteger.ZERO) < 0) {
 							endString = endAddress.toString(16); //$NON-NLS-1$
 						} else {
 							endString = "0x" + endAddress.toString(16); //$NON-NLS-1$
 						}
 					} else {
 						endString = "0x" + endAddress.toString(16); //$NON-NLS-1$
 					}

 					fEndText.setText(endString);

 					if (length.compareTo(BigInteger.ZERO) <= 0) {
 						fEndText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 						fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 					}

 					if (startAddress.compareTo(BigInteger.ZERO) < 0) {
 						fStartText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 					}

 					if (endAddress.compareTo(BigInteger.ZERO) < 0) {
 						fEndText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 					}
 				} catch (Exception ex) {
 					if (fLengthText.getText().trim().length() != 0) {
 						fEndText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 					}
 					fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
 				}

 				validate();
 			}

 			@Override
 			public void keyPressed(KeyEvent e) {

 			}
 		});

 		fFileText.addKeyListener(new KeyListener() {
 			@Override
 			public void keyReleased(KeyEvent e) {
 				validate();
 			}

 			@Override
 			public void keyPressed(KeyEvent e) {
 			}
 		});

 		composite.pack();

 		/*
 		 *  We need to perform a validation. If we do it immediately we will get an exception
 		 *  because things are not totally setup. So we schedule an immediate running of  the
 		 *  validation. For a very brief time the view logically may show a state which  does
 		 *  not reflect the true state of affairs.  But the validate immediately corrects the
 		 *  info. In practice the user never sees the invalid state displayed, because of the
 		 *  speed of the draw of the dialog.
 		 */
 		Display.getDefault().asyncExec(() -> validate());

 		return composite;
 	}

 	public BigInteger getEndAddress() {
 		String text = fEndText.getText();
 		text = text.trim();
 		boolean hex = text.startsWith("0x"); //$NON-NLS-1$
 		BigInteger endAddress = new BigInteger(hex ? text.substring(2) : text, hex ? 16 : 10);

 		return endAddress;
 	}

 	public BigInteger getStartAddress() {
 		String text = fStartText.getText();
 		text = text.trim();
 		boolean hex = text.startsWith("0x"); //$NON-NLS-1$
 		BigInteger startAddress = new BigInteger(hex ? text.substring(2) : text, hex ? 16 : 10);

 		return startAddress;
 	}

 	public BigInteger getLength() {
 		String text = fLengthText.getText();
 		text = text.trim();
 		boolean hex = text.startsWith("0x"); //$NON-NLS-1$
 		BigInteger lengthAddress = new BigInteger(hex ? text.substring(2) : text, hex ? 16 : 10);

 		return lengthAddress;
 	}

 	public File getFile() {
 		return new File(fFileText.getText().trim());
 	}

 	private void validate() {
 		boolean isValid = true;

 		try {
 			getEndAddress();
 			getStartAddress();

 			BigInteger length = getLength();

 			if (length.compareTo(BigInteger.ZERO) <= 0)
 				isValid = false;

 			if (fFileText.getText().trim().length() == 0)
 				isValid = false;

 			File file = getFile();
 			if (file != null) {
 				File parentFile = file.getParentFile();

 				if (parentFile != null && !parentFile.exists())
 					isValid = false;

 				if (parentFile != null && parentFile.exists() && (!parentFile.canRead() || !parentFile.isDirectory()))
 					isValid = false;

 				if (file.isDirectory())
 					isValid = false;
 			}
 		} catch (Exception e) {
 			isValid = false;
 		}

 		fParentDialog.setValid(isValid);
 	}

 	@Override
 	public String getId() {
 		return "PlainTextExporter"; //$NON-NLS-1$
 	}

 	@Override
 	public String getName() {
 		return Messages.getString("PlainTextExporter.Name"); //$NON-NLS-1$
 	}

 	@Override
 	public void exportMemory() {
 		IReadMemory read = new ReadMemoryBlock((IMemoryBlockExtension) fMemoryBlock);
 		BigInteger addressable = new AddressableSize((IMemoryBlockExtension) fMemoryBlock).get();
 		ExportRequest request = new ExportRequest(fStartAddress, fEndAddress, addressable, read);
 		PlainTextExport memoryExport = new PlainTextExport(fOutputFile, request);
 		TransportJob job = new TransportJob("Memory Export to Plain Text File", memoryExport);
 		job.setUser(true);
 		job.schedule();
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2006, 2016 Wind River Systems, Inc. and others.
	*
	* This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License 2.0
	* which accompanies this distribution, and is available at
	* https://www.eclipse.org/legal/epl-2.0/
	*
	* SPDX-License-Identifier: EPL-2.0
	*
	* Contributors:
	* Ted R Williams (Wind River Systems, Inc.) - initial implementation
	*******************************************************************************/

	package org.eclipse.cdt.debug.ui.memory.transport;

	import java.io.File;
	import java.math.BigInteger;

	import org.eclipse.cdt.debug.core.memory.transport.ExportRequest;
	import org.eclipse.cdt.debug.core.memory.transport.IReadMemory;
	import org.eclipse.cdt.debug.internal.core.memory.transport.PlainTextExport;
	import org.eclipse.cdt.debug.internal.core.memory.transport.ReadMemoryBlock;
	import org.eclipse.cdt.debug.internal.core.memory.transport.TransportJob;
	import org.eclipse.cdt.debug.internal.ui.memory.transport.AddressableSize;
	import org.eclipse.cdt.debug.ui.memory.transport.model.IMemoryExporter;
	import org.eclipse.debug.core.model.IMemoryBlock;
	import org.eclipse.debug.core.model.IMemoryBlockExtension;
	import org.eclipse.jface.dialogs.IDialogSettings;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.KeyEvent;
	import org.eclipse.swt.events.KeyListener;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.layout.FormAttachment;
	import org.eclipse.swt.layout.FormData;
	import org.eclipse.swt.layout.FormLayout;
	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.Text;

	public class PlainTextExporter implements IMemoryExporter {

	File fOutputFile;
	BigInteger fStartAddress;
	BigInteger fEndAddress;

	private Text fStartText;
	private Text fEndText;
	private Text fLengthText;
	private Text fFileText;

	private IMemoryBlock fMemoryBlock;

	private ExportMemoryDialog fParentDialog;

	private IDialogSettings fProperties;

	@Override
	public Control createControl(final Composite parent, IMemoryBlock memBlock, IDialogSettings properties,
	ExportMemoryDialog parentDialog) {
	fMemoryBlock = memBlock;
	fParentDialog = parentDialog;
	fProperties = properties;

	Composite composite = new Composite(parent, SWT.NONE) {
	@Override
	public void dispose() {
	fProperties.put(TRANSFER_FILE, fFileText.getText().trim());
	fProperties.put(TRANSFER_START, fStartText.getText().trim());
	fProperties.put(TRANSFER_END, fEndText.getText().trim());

	try {
	fStartAddress = getStartAddress();
	fEndAddress = getEndAddress();
	fOutputFile = getFile();
	} catch (Exception e) {
	}

	super.dispose();
	}
	};

	FormLayout formLayout = new FormLayout();
	formLayout.spacing = 5;
	formLayout.marginWidth = formLayout.marginHeight = 9;
	composite.setLayout(formLayout);

	// start address

	Label startLabel = new Label(composite, SWT.NONE);
	startLabel.setText(Messages.getString("PlainTextExporter.StartAddress")); //$NON-NLS-1$
	FormData data = new FormData();
	startLabel.setLayoutData(data);

	fStartText = new Text(composite, SWT.BORDER);
	data = new FormData();
	data.left = new FormAttachment(startLabel);
	data.width = 120;
	fStartText.setLayoutData(data);

	// end address

	Label endLabel = new Label(composite, SWT.NONE);
	endLabel.setText(Messages.getString("PlainTextExporter.EndAddress")); //$NON-NLS-1$
	data = new FormData();
	data.top = new FormAttachment(fStartText, 0, SWT.CENTER);
	data.left = new FormAttachment(fStartText);
	endLabel.setLayoutData(data);

	fEndText = new Text(composite, SWT.BORDER);
	data = new FormData();
	data.top = new FormAttachment(fStartText, 0, SWT.CENTER);
	data.left = new FormAttachment(endLabel);
	data.width = 120;
	fEndText.setLayoutData(data);

	// length

	Label lengthLabel = new Label(composite, SWT.NONE);
	lengthLabel.setText(Messages.getString("PlainTextExporter.Length")); //$NON-NLS-1$
	data = new FormData();
	data.top = new FormAttachment(fStartText, 0, SWT.CENTER);
	data.left = new FormAttachment(fEndText);
	lengthLabel.setLayoutData(data);

	fLengthText = new Text(composite, SWT.BORDER);
	data = new FormData();
	data.top = new FormAttachment(fStartText, 0, SWT.CENTER);
	data.left = new FormAttachment(lengthLabel);
	data.width = 120;
	fLengthText.setLayoutData(data);

	// file

	Label fileLabel = new Label(composite, SWT.NONE);
	fFileText = new Text(composite, SWT.BORDER);
	Button fileButton = new Button(composite, SWT.PUSH);

	fileLabel.setText(Messages.getString("Exporter.FileName")); //$NON-NLS-1$
	data = new FormData();
	data.top = new FormAttachment(fileButton, 0, SWT.CENTER);
	fileLabel.setLayoutData(data);

	data = new FormData();
	data.top = new FormAttachment(fileButton, 0, SWT.CENTER);
	data.left = new FormAttachment(fileLabel);
	data.width = 360;
	fFileText.setLayoutData(data);

	fileButton.setText(Messages.getString("Exporter.Browse")); //$NON-NLS-1$
	data = new FormData();
	data.top = new FormAttachment(fLengthText);
	data.left = new FormAttachment(fFileText);
	fileButton.setLayoutData(data);

	String textValue = fProperties.get(TRANSFER_FILE);
	fFileText.setText(textValue != null ? textValue : ""); //$NON-NLS-1$

	textValue = fProperties.get(TRANSFER_START);
	fStartText.setText(textValue != null ? textValue : "0x0"); //$NON-NLS-1$

	try {
	getStartAddress();
	} catch (Exception e) {
	fStartText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	}

	textValue = fProperties.get(TRANSFER_END);
	fEndText.setText(textValue != null ? textValue : "0x0"); //$NON-NLS-1$

	try {
	getEndAddress();
	} catch (Exception e) {
	fEndText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	}

	try {
	BigInteger length = getEndAddress().subtract(getStartAddress());
	fLengthText.setText(length.toString());
	if (length.compareTo(BigInteger.ZERO) <= 0) {
	fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	}
	} catch (Exception e) {
	fLengthText.setText("0");
	fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	}

	fileButton.addSelectionListener(new SelectionAdapter() {

	@Override
	public void widgetSelected(SelectionEvent e) {
	FileDialog dialog = new FileDialog(parent.getShell(), SWT.SAVE);
	dialog.setText(Messages.getString("PlainTextExporter.ChooseFile")); //$NON-NLS-1$
	dialog.setFilterExtensions(new String[] { ".;*" }); //$NON-NLS-1$
	dialog.setFilterNames(new String[] { Messages.getString("Exporter.AllFiles") }); //$NON-NLS-1$
	dialog.setFileName(fFileText.getText().trim());
	dialog.open();

	String filename = dialog.getFileName();
	if (filename != null && filename.length() != 0) {
	fFileText.setText(dialog.getFilterPath() + File.separator + filename);
	}

	validate();
	}

	});

	fStartText.addKeyListener(new KeyListener() {
	@Override
	public void keyReleased(KeyEvent e) {
	try {
	fStartText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));
	fEndText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));
	fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));

	BigInteger startAddress = getStartAddress();
	BigInteger actualLength = getEndAddress().subtract(startAddress);
	fLengthText.setText(actualLength.toString());

	if (actualLength.compareTo(BigInteger.ZERO) <= 0) {
	fStartText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	}

	if (startAddress.compareTo(BigInteger.ZERO) < 0) {
	fStartText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	}

	BigInteger endAddress = getEndAddress();
	if (endAddress.compareTo(BigInteger.ZERO) < 0) {
	fEndText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	}
	} catch (Exception ex) {
	fStartText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	}

	validate();
	}

	@Override
	public void keyPressed(KeyEvent e) {
	}
	});

	fEndText.addKeyListener(new KeyListener() {
	@Override
	public void keyReleased(KeyEvent e) {
	try {
	fStartText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));
	fEndText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));
	fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));

	BigInteger actualLength = getEndAddress().subtract(getStartAddress());
	fLengthText.setText(actualLength.toString());

	if (actualLength.compareTo(BigInteger.ZERO) <= 0) {
	fEndText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	}

	BigInteger startAddress = getStartAddress();
	if (startAddress.compareTo(BigInteger.ZERO) < 0) {
	fStartText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	}

	BigInteger endAddress = getEndAddress();
	if (endAddress.compareTo(BigInteger.ZERO) < 0) {
	fEndText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	}
	} catch (Exception ex) {
	fEndText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	}

	validate();
	}

	@Override
	public void keyPressed(KeyEvent e) {
	}

	});

	fLengthText.addKeyListener(new KeyListener() {
	@Override
	public void keyReleased(KeyEvent e) {
	try {
	fStartText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));
	fEndText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));
	fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));

	fStartText.setText(fStartText.getText().trim());

	BigInteger length = getLength();
	String endString;
	BigInteger startAddress = getStartAddress();
	BigInteger endAddress = startAddress.add(length);

	if (length.compareTo(BigInteger.ZERO) <= 0) {
	if (endAddress.compareTo(BigInteger.ZERO) < 0) {
	endString = endAddress.toString(16); //$NON-NLS-1$
	} else {
	endString = "0x" + endAddress.toString(16); //$NON-NLS-1$
	}
	} else {
	endString = "0x" + endAddress.toString(16); //$NON-NLS-1$
	}

	fEndText.setText(endString);

	if (length.compareTo(BigInteger.ZERO) <= 0) {
	fEndText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	}

	if (startAddress.compareTo(BigInteger.ZERO) < 0) {
	fStartText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	}

	if (endAddress.compareTo(BigInteger.ZERO) < 0) {
	fEndText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	}
	} catch (Exception ex) {
	if (fLengthText.getText().trim().length() != 0) {
	fEndText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	}
	fLengthText.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_RED));
	}

	validate();
	}

	@Override
	public void keyPressed(KeyEvent e) {

	}
	});

	fFileText.addKeyListener(new KeyListener() {
	@Override
	public void keyReleased(KeyEvent e) {
	validate();
	}

	@Override
	public void keyPressed(KeyEvent e) {
	}
	});

	composite.pack();

	/*
	* We need to perform a validation. If we do it immediately we will get an exception
	* because things are not totally setup. So we schedule an immediate running of the
	* validation. For a very brief time the view logically may show a state which does
	* not reflect the true state of affairs. But the validate immediately corrects the
	* info. In practice the user never sees the invalid state displayed, because of the
	* speed of the draw of the dialog.
	*/
	Display.getDefault().asyncExec(() -> validate());

	return composite;
	}

	public BigInteger getEndAddress() {
	String text = fEndText.getText();
	text = text.trim();
	boolean hex = text.startsWith("0x"); //$NON-NLS-1$
	BigInteger endAddress = new BigInteger(hex ? text.substring(2) : text, hex ? 16 : 10);

	return endAddress;
	}

	public BigInteger getStartAddress() {
	String text = fStartText.getText();
	text = text.trim();
	boolean hex = text.startsWith("0x"); //$NON-NLS-1$
	BigInteger startAddress = new BigInteger(hex ? text.substring(2) : text, hex ? 16 : 10);

	return startAddress;
	}

	public BigInteger getLength() {
	String text = fLengthText.getText();
	text = text.trim();
	boolean hex = text.startsWith("0x"); //$NON-NLS-1$
	BigInteger lengthAddress = new BigInteger(hex ? text.substring(2) : text, hex ? 16 : 10);

	return lengthAddress;
	}

	public File getFile() {
	return new File(fFileText.getText().trim());
	}

	private void validate() {
	boolean isValid = true;

	try {
	getEndAddress();
	getStartAddress();

	BigInteger length = getLength();

	if (length.compareTo(BigInteger.ZERO) <= 0)
	isValid = false;

	if (fFileText.getText().trim().length() == 0)
	isValid = false;

	File file = getFile();
	if (file != null) {
	File parentFile = file.getParentFile();

	if (parentFile != null && !parentFile.exists())
	isValid = false;

	if (parentFile != null && parentFile.exists() && (!parentFile.canRead() \|\| !parentFile.isDirectory()))
	isValid = false;

	if (file.isDirectory())
	isValid = false;
	}
	} catch (Exception e) {
	isValid = false;
	}

	fParentDialog.setValid(isValid);
	}

	@Override
	public String getId() {
	return "PlainTextExporter"; //$NON-NLS-1$
	}

	@Override
	public String getName() {
	return Messages.getString("PlainTextExporter.Name"); //$NON-NLS-1$
	}

	@Override
	public void exportMemory() {
	IReadMemory read = new ReadMemoryBlock((IMemoryBlockExtension) fMemoryBlock);
	BigInteger addressable = new AddressableSize((IMemoryBlockExtension) fMemoryBlock).get();
	ExportRequest request = new ExportRequest(fStartAddress, fEndAddress, addressable, read);
	PlainTextExport memoryExport = new PlainTextExport(fOutputFile, request);
	TransportJob job = new TransportJob("Memory Export to Plain Text File", memoryExport);
	job.setUser(true);
	job.schedule();
	}

	}