| /******************************************************************************* |
| * Copyright (c) 2004, 2007 IBM Corporation 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: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.debug.internal.ui.views.memory; |
| |
| |
| import org.eclipse.debug.core.model.IMemoryBlockRetrieval; |
| import org.eclipse.debug.core.model.IMemoryBlockRetrievalExtension; |
| import org.eclipse.debug.internal.core.IInternalDebugCoreConstants; |
| import org.eclipse.debug.internal.ui.DebugUIMessages; |
| import org.eclipse.debug.internal.ui.SWTFactory; |
| import org.eclipse.debug.ui.IDebugUIConstants; |
| import org.eclipse.jface.dialogs.IDialogConstants; |
| import org.eclipse.jface.dialogs.TrayDialog; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.ModifyEvent; |
| import org.eclipse.swt.events.ModifyListener; |
| import org.eclipse.swt.widgets.Combo; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Shell; |
| import org.eclipse.swt.widgets.Text; |
| import org.eclipse.ui.PlatformUI; |
| |
| /** |
| * @since 3.0 |
| */ |
| public class MonitorMemoryBlockDialog extends TrayDialog implements ModifyListener{ |
| |
| private Combo expressionInput; |
| private Text lengthInput; |
| private String expression; |
| private String length; |
| private boolean needLength = true; |
| private String fPrefillExp = null; |
| private String fPrefillLength = null; |
| |
| /** |
| * the predefined width of the wrapping label for the expression to enter combo |
| * @since 3.3 |
| */ |
| private static final int LABEL_WIDTH = 210; |
| |
| /** |
| * @param parentShell |
| */ |
| public MonitorMemoryBlockDialog(Shell parentShell, IMemoryBlockRetrieval memRetrieval, String prefillExp, String prefillLength) { |
| super(parentShell); |
| |
| if (memRetrieval instanceof IMemoryBlockRetrievalExtension) |
| needLength = false; |
| |
| fPrefillExp = prefillExp; |
| fPrefillLength = prefillLength; |
| setShellStyle(getShellStyle() | SWT.RESIZE); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite) |
| */ |
| protected Control createDialogArea(Composite parent) { |
| Composite comp = (Composite) super.createDialogArea(parent); |
| SWTFactory.createWrapLabel(comp, DebugUIMessages.MonitorMemoryBlockDialog_EnterExpressionToMonitor, 1, LABEL_WIDTH); |
| expressionInput = SWTFactory.createCombo(comp, SWT.BORDER, 1, MemoryViewUtil.getHistory()); |
| if (fPrefillExp != null) { |
| expressionInput.setText(fPrefillExp); |
| } |
| expressionInput.addModifyListener(this); |
| |
| if (needLength) { |
| SWTFactory.createLabel(comp, DebugUIMessages.MonitorMemoryBlockDialog_NumberOfBytes, 1); |
| lengthInput = SWTFactory.createSingleText(comp, 1); |
| if (fPrefillLength != null) { |
| lengthInput.setText(fPrefillLength); |
| } |
| lengthInput.addModifyListener(this); |
| } |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(comp, IDebugUIConstants.PLUGIN_ID + ".MonitorMemoryBlockDialog_context"); //$NON-NLS-1$ |
| return comp; |
| } |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.window.Window#configureShell(org.eclipse.swt.widgets.Shell) |
| */ |
| protected void configureShell(Shell newShell) { |
| super.configureShell(newShell); |
| |
| newShell.setText(DebugUIMessages.MonitorMemoryBlockDialog_MonitorMemory); |
| } |
| |
| /** |
| * @return the entered expression |
| */ |
| public String getExpression() { |
| return expression; |
| } |
| |
| /** |
| * @return the entered length |
| */ |
| public String getLength() { |
| return length; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.dialogs.Dialog#okPressed() |
| */ |
| protected void okPressed() { |
| |
| expression = expressionInput.getText(); |
| |
| // add to HISTORY list |
| MemoryViewUtil.addHistory(expression); |
| |
| if (needLength) |
| length = lengthInput.getText(); |
| |
| super.okPressed(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.swt.events.ModifyListener#modifyText(org.eclipse.swt.events.ModifyEvent) |
| */ |
| public void modifyText(ModifyEvent e) { |
| updateOKButtonState(); |
| } |
| |
| private void updateOKButtonState() { |
| if (needLength) |
| { |
| String lengthText = lengthInput.getText(); |
| String input = expressionInput.getText(); |
| |
| if (input == null || input.equals(IInternalDebugCoreConstants.EMPTY_STRING) || lengthText == null || lengthText.equals(IInternalDebugCoreConstants.EMPTY_STRING)) |
| { |
| getButton(IDialogConstants.OK_ID).setEnabled(false); |
| } |
| else |
| { |
| getButton(IDialogConstants.OK_ID).setEnabled(true); |
| } |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.dialogs.Dialog#createButtonBar(org.eclipse.swt.widgets.Composite) |
| */ |
| protected Control createButtonBar(Composite parent) { |
| |
| Control ret = super.createButtonBar(parent); |
| |
| if (needLength) |
| updateOKButtonState(); |
| else |
| // always enable the OK button if we only need the expression |
| getButton(IDialogConstants.OK_ID).setEnabled(true); |
| |
| return ret; |
| } |
| } |