| /******************************************************************************* |
| * Copyright (c) 2004, 2006 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.ui.DebugUIMessages; |
| 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.layout.GridData; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.Combo; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Label; |
| 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; |
| |
| /** |
| * @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) { |
| PlatformUI.getWorkbench().getHelpSystem().setHelp(parent, IDebugUIConstants.PLUGIN_ID + ".MonitorMemoryBlockDialog_context"); //$NON-NLS-1$ |
| parent.setLayout(new GridLayout()); |
| GridData spec2= new GridData(); |
| spec2.grabExcessVerticalSpace= true; |
| spec2.grabExcessHorizontalSpace= true; |
| spec2.horizontalAlignment= GridData.FILL; |
| spec2.verticalAlignment= GridData.CENTER; |
| parent.setLayoutData(spec2); |
| |
| Label textLabel = new Label(parent, SWT.NONE); |
| textLabel.setText(DebugUIMessages.MonitorMemoryBlockDialog_EnterExpressionToMonitor); |
| GridData textLayout = new GridData(); |
| textLabel.setLayoutData(textLayout); |
| |
| expressionInput = new Combo(parent, SWT.BORDER); |
| GridData spec= new GridData(); |
| spec.grabExcessVerticalSpace= false; |
| spec.grabExcessHorizontalSpace= true; |
| spec.horizontalAlignment= GridData.FILL; |
| spec.verticalAlignment= GridData.BEGINNING; |
| expressionInput.setLayoutData(spec); |
| |
| // add HISTORY |
| String[] historyExpression = MemoryViewUtil.getHistory(); |
| for (int i=0; i<historyExpression.length; i++) |
| { |
| expressionInput.add(historyExpression[i]); |
| } |
| |
| // must be done before the listener is added |
| // otherwise, will get into exception when trying to validate |
| // input |
| // This will be validated when the OK & Cancel button is added. |
| if (fPrefillExp != null) |
| expressionInput.setText(fPrefillExp); |
| |
| expressionInput.addModifyListener(this); |
| |
| if (needLength) |
| { |
| Label lengthLabel = new Label(parent, SWT.NONE); |
| lengthLabel.setText(DebugUIMessages.MonitorMemoryBlockDialog_NumberOfBytes); |
| GridData lengthLayout = new GridData(); |
| lengthLabel.setLayoutData(lengthLayout); |
| |
| lengthInput = new Text(parent, SWT.BORDER); |
| GridData lengthSpec= new GridData(); |
| lengthSpec.grabExcessVerticalSpace= false; |
| lengthSpec.grabExcessHorizontalSpace= true; |
| lengthSpec.horizontalAlignment= GridData.FILL; |
| lengthInput.setLayoutData(lengthSpec); |
| |
| if (fPrefillLength != null) |
| lengthInput.setText(fPrefillLength); |
| |
| lengthInput.addModifyListener(this); |
| } |
| return parent; |
| } |
| /* (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); |
| } |
| |
| public String getExpression() |
| { |
| return expression; |
| } |
| |
| 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("") || lengthText == null || lengthText.equals("")) //$NON-NLS-1$ //$NON-NLS-2$ |
| { |
| 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; |
| } |
| } |