Java tutorial
/******************************************************************************* * Copyright (c) 2004, 2009 QNX Software Systems 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: * QNX Software Systems - Initial API and implementation *******************************************************************************/ package org.eclipse.cdt.debug.internal.ui.propertypages; import com.ibm.icu.text.MessageFormat; import org.eclipse.cdt.debug.core.CDIDebugModel; import org.eclipse.cdt.debug.core.CDebugUtils; import org.eclipse.cdt.debug.core.model.ICSignal; import org.eclipse.cdt.debug.internal.core.ICDebugInternalConstants; import org.eclipse.cdt.debug.internal.ui.dialogfields.SelectionButtonDialogField; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.MultiStatus; import org.eclipse.core.runtime.Status; import org.eclipse.debug.core.DebugException; import org.eclipse.debug.core.DebugPlugin; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.swt.SWT; import org.eclipse.swt.graphics.Font; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.layout.GridLayout; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Label; import org.eclipse.ui.dialogs.PropertyPage; /** * The property page for a signal. */ public class SignalPropertyPage extends PropertyPage { private SelectionButtonDialogField fPassButton; private SelectionButtonDialogField fStopButton; /* (non-Javadoc) * @see org.eclipse.jface.preference.PreferencePage#createContents(org.eclipse.swt.widgets.Composite) */ @Override protected Control createContents(Composite parent) { noDefaultAndApplyButton(); Composite composite = new Composite(parent, SWT.NONE); Font font = parent.getFont(); composite.setFont(font); composite.setLayout(new GridLayout()); composite.setLayoutData(new GridData(GridData.FILL_BOTH)); // Create description field try { String description = getSignal().getDescription(); Label label = new Label(composite, SWT.WRAP); label.setText(MessageFormat.format(PropertyPageMessages.getString("SignalPropertyPage.0"), //$NON-NLS-1$ new String[] { description })); GridData data = new GridData( GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_CENTER); data.widthHint = convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH); label.setLayoutData(data); label.setFont(font); } catch (DebugException e1) { } // Create pass button try { boolean pass = getSignal().isPassEnabled(); fPassButton = new SelectionButtonDialogField(SWT.CHECK); fPassButton.setLabelText(PropertyPageMessages.getString("SignalPropertyPage.1")); //$NON-NLS-1$ fPassButton.setSelection(pass); fPassButton.setEnabled(getSignal().canModify()); fPassButton.doFillIntoGrid(composite, 1); } catch (DebugException e) { } // Create stop button try { boolean stop = getSignal().isStopEnabled(); fStopButton = new SelectionButtonDialogField(SWT.CHECK); fStopButton.setLabelText(PropertyPageMessages.getString("SignalPropertyPage.2")); //$NON-NLS-1$ fStopButton.setSelection(stop); fStopButton.setEnabled(getSignal().canModify()); fStopButton.doFillIntoGrid(composite, 1); } catch (DebugException e) { } setValid(true); return composite; } protected SelectionButtonDialogField getPassButton() { return fPassButton; } protected SelectionButtonDialogField getStopButton() { return fStopButton; } public ICSignal getSignal() { return (ICSignal) getElement(); } /* (non-Javadoc) * @see org.eclipse.jface.preference.IPreferencePage#performOk() */ @Override public boolean performOk() { boolean result = super.performOk(); if (result) { DebugPlugin.getDefault().asyncExec(new Runnable() { @Override public void run() { if (!getSignal().canModify()) return; if (getPassButton() != null) { try { getSignal().setPassEnabled(getPassButton().isSelected()); } catch (DebugException e) { failed(PropertyPageMessages.getString("SignalPropertyPage.5"), e); //$NON-NLS-1$ } } if (getStopButton() != null) { try { getSignal().setStopEnabled(getStopButton().isSelected()); } catch (DebugException e) { failed(PropertyPageMessages.getString("SignalPropertyPage.5"), e); //$NON-NLS-1$ } } } }); } return result; } protected void failed(String message, Throwable e) { MultiStatus ms = new MultiStatus(CDIDebugModel.getPluginIdentifier(), ICDebugInternalConstants.STATUS_CODE_ERROR, message, null); ms.add(new Status(IStatus.ERROR, CDIDebugModel.getPluginIdentifier(), ICDebugInternalConstants.STATUS_CODE_ERROR, e.getMessage(), null)); CDebugUtils.error(ms, getSignal()); } }