Java tutorial
/******************************************************************************* * Copyright (c) 2008 IBM Corporation. * 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.ptp.rm.mpi.mpich2.ui.launch; import org.eclipse.core.runtime.CoreException; import org.eclipse.debug.core.ILaunchConfigurationWorkingCopy; import org.eclipse.debug.ui.ILaunchConfigurationDialog; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.ptp.core.elements.IPQueue; import org.eclipse.ptp.launch.ui.extensions.RMLaunchValidation; import org.eclipse.ptp.rm.mpi.mpich2.core.launch.MPICH2LaunchConfiguration; import org.eclipse.ptp.rm.mpi.mpich2.core.launch.MPICH2LaunchConfigurationDefaults; import org.eclipse.ptp.rm.mpi.mpich2.ui.MPICH2UIPlugin; import org.eclipse.ptp.rm.mpi.mpich2.ui.messages.Messages; import org.eclipse.ptp.rm.ui.launch.BaseRMLaunchConfigurationDynamicTab; import org.eclipse.ptp.rm.ui.launch.RMLaunchConfigurationDynamicTabDataSource; import org.eclipse.ptp.rm.ui.launch.RMLaunchConfigurationDynamicTabWidgetListener; import org.eclipse.ptp.rmsystem.IResourceManager; import org.eclipse.ptp.utils.ui.PixelConverter; import org.eclipse.swt.SWT; import org.eclipse.swt.events.ModifyEvent; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.graphics.Image; 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.Group; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Spinner; import org.eclipse.swt.widgets.Text; /** * * @author Daniel Felix Ferber * */ public class BasicMPICH2RMLaunchConfigurationDynamicTab extends BaseRMLaunchConfigurationDynamicTab { private class DataSource extends RMLaunchConfigurationDynamicTabDataSource { private int numProcs; private boolean noLocal; private boolean usePrefix; private String prefix; private boolean useHostFile; private String hostFile; private boolean useHostList; private String hostList; protected DataSource(BaseRMLaunchConfigurationDynamicTab page) { super(page); } /** * Convert a comma separated list into one host per line * * @param list * @return */ private String hostListToText(String list) { if (list == null) { return ""; //$NON-NLS-1$ } String result = ""; //$NON-NLS-1$ String[] values = list.split(","); //$NON-NLS-1$ for (int i = 0; i < values.length; i++) { if (!values[i].equals("")) { //$NON-NLS-1$ if (i > 0) { result += "\n"; //$NON-NLS-1$ } result += values[i]; } } return result; } @Override protected void copyFromFields() throws ValidationException { numProcs = numProcsSpinner.getSelection(); noLocal = noLocalButton.getSelection(); usePrefix = usePrefixButton.getSelection(); prefix = extractText(prefixText); useHostFile = hostFileButton.getSelection(); hostFile = extractText(hostFileText); useHostList = hostListButton.getSelection(); hostList = extractText(hostListText); } @Override protected void copyToFields() { numProcsSpinner.setSelection(numProcs); noLocalButton.setSelection(noLocal); usePrefixButton.setSelection(usePrefix); applyText(prefixText, prefix); applyText(hostFileText, hostFile); hostFileButton.setSelection(useHostFile); applyText(hostListText, hostListToText(hostList)); hostListButton.setSelection(useHostList); } @Override protected void copyToStorage() { getConfigurationWorkingCopy().setAttribute(MPICH2LaunchConfiguration.ATTR_NUMPROCS, numProcs); getConfigurationWorkingCopy().setAttribute(MPICH2LaunchConfiguration.ATTR_NOLOCAL, noLocal); getConfigurationWorkingCopy().setAttribute(MPICH2LaunchConfiguration.ATTR_USEPREFIX, usePrefix); getConfigurationWorkingCopy().setAttribute(MPICH2LaunchConfiguration.ATTR_PREFIX, prefix); getConfigurationWorkingCopy().setAttribute(MPICH2LaunchConfiguration.ATTR_USEHOSTFILE, useHostFile); getConfigurationWorkingCopy().setAttribute(MPICH2LaunchConfiguration.ATTR_HOSTFILE, hostFile); getConfigurationWorkingCopy().setAttribute(MPICH2LaunchConfiguration.ATTR_USEHOSTLIST, useHostList); getConfigurationWorkingCopy().setAttribute(MPICH2LaunchConfiguration.ATTR_HOSTLIST, hostList); } @Override protected void loadDefault() { numProcs = MPICH2LaunchConfigurationDefaults.ATTR_NUMPROCS; noLocal = MPICH2LaunchConfigurationDefaults.ATTR_NOLOCAL; usePrefix = MPICH2LaunchConfigurationDefaults.ATTR_USEPREFIX; prefix = MPICH2LaunchConfigurationDefaults.ATTR_PREFIX; hostFile = MPICH2LaunchConfigurationDefaults.ATTR_HOSTFILE; useHostFile = MPICH2LaunchConfigurationDefaults.ATTR_USEHOSTFILE; hostList = MPICH2LaunchConfigurationDefaults.ATTR_HOSTLIST; useHostList = MPICH2LaunchConfigurationDefaults.ATTR_USEHOSTLIST; } @Override protected void loadFromStorage() { try { numProcs = getConfiguration().getAttribute(MPICH2LaunchConfiguration.ATTR_NUMPROCS, MPICH2LaunchConfigurationDefaults.ATTR_NUMPROCS); noLocal = getConfiguration().getAttribute(MPICH2LaunchConfiguration.ATTR_NOLOCAL, MPICH2LaunchConfigurationDefaults.ATTR_NOLOCAL); usePrefix = getConfiguration().getAttribute(MPICH2LaunchConfiguration.ATTR_USEPREFIX, MPICH2LaunchConfigurationDefaults.ATTR_USEPREFIX); prefix = getConfiguration().getAttribute(MPICH2LaunchConfiguration.ATTR_PREFIX, MPICH2LaunchConfigurationDefaults.ATTR_PREFIX); hostFile = getConfiguration().getAttribute(MPICH2LaunchConfiguration.ATTR_HOSTFILE, MPICH2LaunchConfigurationDefaults.ATTR_HOSTFILE); useHostFile = getConfiguration().getAttribute(MPICH2LaunchConfiguration.ATTR_USEHOSTFILE, MPICH2LaunchConfigurationDefaults.ATTR_USEHOSTFILE); hostList = getConfiguration().getAttribute(MPICH2LaunchConfiguration.ATTR_HOSTLIST, MPICH2LaunchConfigurationDefaults.ATTR_HOSTLIST); useHostList = getConfiguration().getAttribute(MPICH2LaunchConfiguration.ATTR_USEHOSTLIST, MPICH2LaunchConfigurationDefaults.ATTR_USEHOSTLIST); } catch (CoreException e) { // TODO handle exception? MPICH2UIPlugin.log(e); } } @Override protected void validateLocal() throws ValidationException { if (numProcs < 1) { throw new ValidationException( Messages.BasicMPICH2RMLaunchConfigurationDynamicTab_Validation_NoProcess); } if (usePrefix && prefix == null) { throw new ValidationException( Messages.BasicMPICH2RMLaunchConfigurationDynamicTab_Validation_EmptyPrefix); } if (useHostFile && hostFile == null) { throw new ValidationException( Messages.BasicMPICH2RMLaunchConfigurationDynamicTab_Validation_EmptyHostfile); } if (useHostList && hostList == null) { throw new ValidationException( Messages.BasicMPICH2RMLaunchConfigurationDynamicTab_Validation_EmptyHostList); } } } private class WidgetListener extends RMLaunchConfigurationDynamicTabWidgetListener { public WidgetListener(BaseRMLaunchConfigurationDynamicTab dynamicTab) { super(dynamicTab); } @Override protected void doModifyText(ModifyEvent e) { if (e.getSource() == numProcsSpinner || e.getSource() == prefixText || e.getSource() == hostFileText || e.getSource() == hostListText) { // getDataSource().justValidate(); } else { super.doModifyText(e); } } @Override protected void doWidgetSelected(SelectionEvent e) { if (e.getSource() == noLocalButton || e.getSource() == usePrefixButton) { // getDataSource().justValidate(); } else if (e.getSource() == usePrefixButton || e.getSource() == hostFileButton || e.getSource() == hostListButton) { // getDataSource().justValidate(); updateControls(); } else { super.doWidgetSelected(e); } } } /** * @since 2.0 */ protected Composite control; /** * @since 2.0 */ protected Spinner numProcsSpinner; /** * @since 2.0 */ protected Button noLocalButton; /** * @since 2.0 */ protected Button usePrefixButton; /** * @since 2.0 */ protected Text prefixText; /** * @since 2.0 */ protected Text hostFileText; /** * @since 2.0 */ protected Button hostFileButton; /** * @since 2.0 */ protected Text hostListText; /** * @since 2.0 */ protected Button hostListButton; /** * @since 2.0 */ protected Button browseButton; /** * @since 2.0 */ public BasicMPICH2RMLaunchConfigurationDynamicTab(ILaunchConfigurationDialog dialog) { super(dialog); } /** * @since 2.0 */ public void createControl(Composite parent, IResourceManager rm, IPQueue queue) throws CoreException { control = new Composite(parent, SWT.NONE); GridLayout layout = new GridLayout(); layout.numColumns = 3; control.setLayout(layout); Label label = new Label(control, SWT.NONE); label.setText(Messages.BasicMPICH2RMLaunchConfigurationDynamicTab_Label_NumberProcesses); numProcsSpinner = new Spinner(control, SWT.BORDER); numProcsSpinner.addModifyListener(getListener()); numProcsSpinner.setLayoutData(new GridData(SWT.LEFT, SWT.CENTER, false, false, 2, 1)); final Group optionsGroup = new Group(control, SWT.NONE); optionsGroup.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 3, 1)); optionsGroup.setText(Messages.BasicMPICH2RMLaunchConfigurationDynamicTab_Title_OptionsGroup); layout = new GridLayout(); layout.numColumns = 3; optionsGroup.setLayout(layout); noLocalButton = new Button(optionsGroup, SWT.CHECK); noLocalButton.addSelectionListener(getListener()); noLocalButton.setText(Messages.BasicMPICH2RMLaunchConfigurationDynamicTab_Label_NoLocal); usePrefixButton = new Button(optionsGroup, SWT.CHECK); usePrefixButton.addSelectionListener(getListener()); usePrefixButton.setText(Messages.BasicMPICH2RMLaunchConfigurationDynamicTab_Label_Prefix); prefixText = new Text(optionsGroup, SWT.BORDER); prefixText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false, 2, 1)); prefixText.addModifyListener(getListener()); final Group hostGroup = new Group(control, SWT.NONE); hostGroup.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1)); hostGroup.setText(Messages.BasicMPICH2RMLaunchConfigurationDynamicTab_Title_HostGroup); layout = new GridLayout(); layout.numColumns = 3; hostGroup.setLayout(layout); hostFileButton = new Button(hostGroup, SWT.CHECK); hostFileButton.addSelectionListener(getListener()); hostFileButton.setText(Messages.BasicMPICH2RMLaunchConfigurationDynamicTab_Label_HostFile); hostFileText = new Text(hostGroup, SWT.BORDER); hostFileText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false)); hostFileText.addModifyListener(getListener()); browseButton = new Button(hostGroup, SWT.NONE); browseButton.setLayoutData(new GridData(SWT.RIGHT, SWT.CENTER, false, false)); browseButton.addSelectionListener(getListener()); PixelConverter pixelconverter = new PixelConverter(control); GridData gd = new GridData(SWT.RIGHT, SWT.CENTER, false, false); gd.widthHint = pixelconverter.convertHorizontalDLUsToPixels(IDialogConstants.BUTTON_WIDTH); browseButton.setLayoutData(gd); browseButton.setText(Messages.BasicMPICH2RMLaunchConfigurationDynamicTab_Label_Browse); hostListButton = new Button(hostGroup, SWT.CHECK); hostListButton.setLayoutData(new GridData(SWT.LEFT, SWT.TOP, false, false)); hostListButton.addSelectionListener(getListener()); hostListButton.setText(Messages.BasicMPICH2RMLaunchConfigurationDynamicTab_Title_HostList); hostListText = new Text(hostGroup, SWT.V_SCROLL | SWT.BORDER); gd = new GridData(SWT.FILL, SWT.FILL, true, true, 2, 1); gd.heightHint = 20; hostListText.setLayoutData(gd); hostListText.addModifyListener(getListener()); } public Control getControl() { return control; } @Override public Image getImage() { return null; } @Override public String getText() { return Messages.BasicMPICH2RMLaunchConfigurationDynamicTab_Title; } /** * @since 2.0 */ public RMLaunchValidation setDefaults(ILaunchConfigurationWorkingCopy configuration, IResourceManager rm, IPQueue queue) { configuration.setAttribute(MPICH2LaunchConfiguration.ATTR_NUMPROCS, MPICH2LaunchConfigurationDefaults.ATTR_NUMPROCS); configuration.setAttribute(MPICH2LaunchConfiguration.ATTR_NOLOCAL, MPICH2LaunchConfigurationDefaults.ATTR_NOLOCAL); configuration.setAttribute(MPICH2LaunchConfiguration.ATTR_USEPREFIX, MPICH2LaunchConfigurationDefaults.ATTR_USEPREFIX); configuration.setAttribute(MPICH2LaunchConfiguration.ATTR_PREFIX, MPICH2LaunchConfigurationDefaults.ATTR_PREFIX); configuration.setAttribute(MPICH2LaunchConfiguration.ATTR_USEHOSTFILE, MPICH2LaunchConfigurationDefaults.ATTR_USEHOSTFILE); configuration.setAttribute(MPICH2LaunchConfiguration.ATTR_HOSTFILE, MPICH2LaunchConfigurationDefaults.ATTR_HOSTFILE); configuration.setAttribute(MPICH2LaunchConfiguration.ATTR_USEHOSTLIST, MPICH2LaunchConfigurationDefaults.ATTR_USEHOSTLIST); configuration.setAttribute(MPICH2LaunchConfiguration.ATTR_HOSTLIST, MPICH2LaunchConfigurationDefaults.ATTR_HOSTLIST); return new RMLaunchValidation(true, null); } @Override public void updateControls() { prefixText.setEnabled(usePrefixButton.getSelection()); browseButton.setEnabled(hostFileButton.getSelection()); hostFileText.setEnabled(hostFileButton.getSelection()); hostListText.setEnabled(hostListButton.getSelection()); } @Override protected RMLaunchConfigurationDynamicTabDataSource createDataSource() { return new DataSource(this); } @Override protected RMLaunchConfigurationDynamicTabWidgetListener createListener() { return new WidgetListener(this); } }