Java tutorial
/////////////////////////////////////////////////////////////////////////// // Copyright (c) 2016 Intel 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: // // Intel Corporation - initial implementation and documentation // /////////////////////////////////////////////////////////////////////////// package com.intel.sgx.dialogs; import java.io.InputStream; import java.util.Scanner; import org.eclipse.core.resources.IContainer; import org.eclipse.core.resources.IFile; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IResource; import org.eclipse.core.resources.ResourcesPlugin; import org.eclipse.core.runtime.IAdaptable; import org.eclipse.core.runtime.IPath; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.Status; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.viewers.IStructuredSelection; import org.eclipse.jface.window.IShellProvider; import org.eclipse.swt.SWT; import org.eclipse.swt.events.SelectionEvent; import org.eclipse.swt.events.SelectionListener; 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.Group; import org.eclipse.swt.widgets.Label; import org.eclipse.swt.widgets.Shell; import org.eclipse.swt.widgets.Text; import org.eclipse.ui.IWorkbenchWindow; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.dialogs.FilteredResourcesSelectionDialog; import com.intel.sgx.Activator; public abstract class SGXDialogBase extends Dialog { protected Shell shell; public Text configFileField; public static FilteredResourcesSelectionDialog dialogForConfig(Shell shell) { // final IContainer container = ResourcesPlugin.getWorkspace().getRoot(); final IContainer container = SGXDialogBase.getCurrentProject(); FilteredResourcesSelectionDialog d = new FilteredResourcesSelectionDialog(shell, false, container, IResource.FILE) { { setInitialPattern("**"); } @Override protected IStatus validateItem(Object item) { // return Status.OK_STATUS; IFile f = (IFile) item; if (f.getParent() instanceof IProject) { return new Status(IStatus.ERROR, Activator.PLUGIN_ID, "The selected resource has to be part of the source folder"); } return super.validateItem(item); } protected ItemsFilter createFilter() { return new ResourceFilter(container, true, IResource.FILE) { @Override public boolean matchItem(Object item) { return isConfigFile(item); } private boolean isConfigFile(Object item) { if (!(item.toString().endsWith(".xml") && super.matchItem(item))) { return false; } try { IFile iFile = (IFile) item; return streamContainsString(iFile.getContents(), "<EnclaveConfiguration>"); } catch (Throwable e) { return false; } } }; } public boolean streamContainsString(InputStream is, String searchString) { Scanner streamScanner = new Scanner(is); if (streamScanner.findWithinHorizon(searchString, 0) != null) { return true; } else { return false; } } }; return d; } protected SelectionListener configFileSelectionListener = new SelectionListener() { @Override public void widgetSelected(SelectionEvent event) { FilteredResourcesSelectionDialog d = dialogForConfig(shell); d.setTitle("Select Config File"); if (d.open() == Dialog.OK) { IFile target = (IFile) d.getResult()[0]; configFileField.setText(target.getLocation().toOSString()); } ; } @Override public void widgetDefaultSelected(SelectionEvent arg0) { // TODO Auto-generated method stub } }; public SGXDialogBase(Shell parentShell) { super(parentShell); } public SGXDialogBase(IShellProvider parentShell) { super(parentShell); } protected Text addGroup(Composite composite, String title, String subtitle, String label, String selectButtonLabel, SelectionListener selectionListener) { final Group container = new Group(composite, SWT.None); container.setLayout(new GridLayout(3, false)); GridData innergrid1 = new GridData(GridData.FILL_HORIZONTAL); innergrid1.horizontalSpan = 3; container.setLayoutData(innergrid1); container.setText(title); final Label messageLabel = new Label(container, SWT.NONE); messageLabel.setLayoutData(new GridData(GridData.BEGINNING, GridData.CENTER, false, false, 3, 1)); messageLabel.setText(subtitle); final Label messageLabel1 = new Label(container, SWT.NONE); messageLabel1.setText(label); messageLabel1.setLayoutData(new GridData(GridData.BEGINNING)); Text directoryNameField = new Text(container, SWT.SINGLE | SWT.BORDER); GridData gridData = new GridData(GridData.FILL_HORIZONTAL); gridData.horizontalSpan = 1; gridData.widthHint = 400; directoryNameField.setLayoutData(gridData); final Button selectButton = new Button(container, SWT.PUSH); selectButton.setText(selectButtonLabel); GridData buttonGridData = new GridData(GridData.END); buttonGridData.horizontalAlignment = SWT.RIGHT; buttonGridData.horizontalSpan = 1; buttonGridData.minimumWidth = 120; selectButton.setLayoutData(buttonGridData); selectButton.addSelectionListener(selectionListener); return directoryNameField; } public IPath getCurrentProjectPath() { IProject project = getCurrentProject(); IPath path = null; if (project != null) { path = project.getLocation(); } return path; } static public IProject getCurrentProject() { IProject project = null; IWorkbenchWindow window = PlatformUI.getWorkbench().getActiveWorkbenchWindow(); if (window != null) { IStructuredSelection selection = (IStructuredSelection) window.getSelectionService().getSelection(); Object firstElement = selection.getFirstElement(); if (firstElement instanceof IAdaptable) { project = (IProject) ((IAdaptable) firstElement).getAdapter(IProject.class); } } return project; } @Override protected void configureShell(Shell newShell) { super.configureShell(newShell); } protected void addLabel(final Group container, String labelText) { final Label messageLabel = new Label(container, SWT.NONE); messageLabel.setLayoutData(new GridData(GridData.BEGINNING, GridData.CENTER, false, false, 3, 1)); messageLabel.setText(labelText); } }