Java tutorial
/******************************************************************************* * Copyright (c) 2013, 2014 Mentor Graphics and others. * 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: * Mentor Graphics - Initial API and implementation * Red Hat Inc. - modified for use in Standalone Debugger *******************************************************************************/ package org.eclipse.cdt.debug.application; import java.io.File; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.dialogs.TitleAreaDialog; import org.eclipse.jface.resource.JFaceResources; import org.eclipse.swt.SWT; import org.eclipse.swt.events.ModifyEvent; import org.eclipse.swt.events.ModifyListener; 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.FileDialog; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; public class CoreFileDialog extends TitleAreaDialog { public static final int REMOTE = 0x1; private int fFlags = 0; private CoreFileInfo fInfo = null; private Text fHostBinaryText; private Text fTargetBinaryText; private Text fCoreFileText; private final String fHostBinary; private final String fCoreFile; public CoreFileDialog(Shell parentShell) { this(parentShell, 0); } public CoreFileDialog(Shell parentShell, int flags) { this(parentShell, flags, null, null); } public CoreFileDialog(Shell parentShell, int flags, String hostBinary, String coreFile) { super(parentShell); setShellStyle(getShellStyle() | SWT.RESIZE); fFlags = flags; fHostBinary = hostBinary; fCoreFile = coreFile; } @Override protected Control createContents(Composite parent) { Control control = super.createContents(parent); validate(); return control; } @Override protected Control createDialogArea(Composite parent) { boolean remote = (fFlags & REMOTE) > 0; getShell().setText(Messages.GdbDebugCoreFileCommand_Debug_Core_File); setTitle(Messages.GdbDebugNewExecutableCommand_Select_Binary); String message = (remote) ? Messages.GdbDebugNewExecutableCommand_Select_binaries_on_host_and_target : Messages.GdbDebugCoreFileCommand_Select_binary_and_specify_corefile; setMessage(message); Composite control = (Composite) super.createDialogArea(parent); Composite comp = new Composite(control, SWT.NONE); GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true); GridLayout layout = new GridLayout(3, false); comp.setLayout(layout); comp.setLayoutData(gd); new Label(comp, SWT.None).setText(remote ? Messages.GdbDebugNewExecutableCommand_Binary_on_host : Messages.GdbDebugExecutableCommand_Binary); fHostBinaryText = new Text(comp, SWT.BORDER); if (fHostBinary != null) fHostBinaryText.setText(fHostBinary); fHostBinaryText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false)); fHostBinaryText.addModifyListener(new ModifyListener() { @Override public void modifyText(ModifyEvent e) { validate(); } }); Button browseButton = new Button(comp, SWT.PUSH); browseButton.setText(Messages.GdbDebugExecutableCommand_Browse); browseButton.setFont(JFaceResources.getDialogFont()); setButtonLayoutData(browseButton); browseButton.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { FileDialog dialog = new FileDialog(getShell()); dialog.setFileName(fHostBinaryText.getText()); String result = dialog.open(); if (result != null) { fHostBinaryText.setText(result); } } }); if (remote) { new Label(comp, SWT.None).setText(Messages.GdbDebugNewExecutableCommand_Binary_on_target); fTargetBinaryText = new Text(comp, SWT.BORDER); fTargetBinaryText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1)); fTargetBinaryText.addModifyListener(new ModifyListener() { @Override public void modifyText(ModifyEvent e) { validate(); } }); } new Label(comp, SWT.None).setText(Messages.GdbDebugCoreFileCommand_CoreFile); fCoreFileText = new Text(comp, SWT.BORDER); if (fCoreFile != null) fCoreFileText.setText(fCoreFile); fCoreFileText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false)); fCoreFileText.addModifyListener(new ModifyListener() { @Override public void modifyText(ModifyEvent e) { validate(); } }); Button browseButton2 = new Button(comp, SWT.PUSH); browseButton2.setText(Messages.GdbDebugExecutableCommand_Browse); browseButton2.setFont(JFaceResources.getDialogFont()); setButtonLayoutData(browseButton2); browseButton2.addSelectionListener(new SelectionAdapter() { @Override public void widgetSelected(SelectionEvent e) { FileDialog dialog = new FileDialog(getShell()); dialog.setFileName(fCoreFileText.getText()); String result = dialog.open(); if (result != null) { fCoreFileText.setText(result); } } }); return control; } @Override protected void okPressed() { String targetPath = (fTargetBinaryText != null) ? fTargetBinaryText.getText().trim() : null; String coreFile = fCoreFileText.getText().trim(); fInfo = new CoreFileInfo(fHostBinaryText.getText().trim(), targetPath, coreFile); super.okPressed(); } public CoreFileInfo getCoreFileInfo() { return fInfo; } private void validate() { boolean remote = (fFlags & REMOTE) > 0; StringBuilder sb = new StringBuilder(); String hostBinary = fHostBinaryText.getText().trim(); String corefile = fCoreFileText.getText(); if (hostBinary.isEmpty()) { sb.append((remote) ? Messages.GdbDebugNewExecutableCommand_Host_binary_must_be_specified : Messages.GdbDebugNewExecutableCommand_Binary_must_be_specified); } else { File file = new File(hostBinary); if (!file.exists()) { sb.append((remote) ? Messages.GdbDebugNewExecutableCommand_Host_binary_file_does_not_exist : Messages.GdbDebugNewExecutableCommand_Binary_file_does_not_exist); } else if (file.isDirectory()) { sb.append((remote) ? Messages.GdbDebugNewExecutableCommand_Invalid_host_binary : Messages.GdbDebugNewExecutableCommand_Invalid_binary); } } if (sb.length() == 0 && corefile.isEmpty()) { sb.append((remote) ? Messages.GdbDebugCoreFileCommand_Core_file_must_be_specified : Messages.GdbDebugCoreFileCommand_Core_file_must_be_specified); } else if (sb.length() == 0 && !corefile.isEmpty()) { File file = new File(corefile); if (!file.exists()) { sb.append(Messages.GdbDebugCoreFileCommand_Core_file_does_not_exist); } else if (file.isDirectory()) { sb.append(Messages.GdbDebugCoreFileCommand_Invalid_core_file); } } if (sb.length() == 0 && fTargetBinaryText != null) { if (fTargetBinaryText.getText().trim().length() == 0) { if (sb.length() != 0) { sb.append("\n "); //$NON-NLS-1$ } sb.append(Messages.GdbDebugNewExecutableCommand_Binary_on_target_must_be_specified); } } setErrorMessage((sb.length() != 0) ? sb.toString() : null); getButton(IDialogConstants.OK_ID).setEnabled(getErrorMessage() == null); } }