| /******************************************************************************* |
| * Copyright (c) 2006, 2009 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.pde.internal.ua.ui.editor.cheatsheet.comp; |
| |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.core.runtime.content.IContentDescription; |
| import org.eclipse.core.runtime.content.IContentType; |
| import org.eclipse.pde.internal.ua.ui.IConstants; |
| import org.eclipse.pde.internal.ua.ui.PDEUserAssistanceUIPlugin; |
| import org.eclipse.ui.dialogs.ISelectionStatusValidator; |
| |
| public class CompCSFileValidator implements ISelectionStatusValidator { |
| |
| public CompCSFileValidator() { |
| // NO-OP |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see |
| * org.eclipse.ui.dialogs.ISelectionStatusValidator#validate(java.lang.Object |
| * []) |
| */ |
| public IStatus validate(Object[] selection) { |
| |
| // Ensure something was selected |
| if (selection.length == 0) { |
| return errorStatus(""); //$NON-NLS-1$ |
| } |
| // Ensure we have a file |
| if ((selection[0] instanceof IFile) == false) { |
| return errorStatus(""); //$NON-NLS-1$ |
| } |
| IFile file = (IFile) selection[0]; |
| // Ensure we have a simple cheat sheet file |
| if (isSimpleCSFile(file) == false) { |
| return errorStatus(Messages.CompCSFileValidator_0); |
| } |
| // If we got this far, we have a valid file |
| return okStatus(""); //$NON-NLS-1$ |
| |
| } |
| |
| /** |
| * @param file |
| */ |
| private boolean isSimpleCSFile(IFile file) { |
| try { |
| IContentDescription description = file.getContentDescription(); |
| IContentType type = description.getContentType(); |
| return type.getId().equalsIgnoreCase( |
| IConstants.SIMPLE_CHEAT_SHEET_CONTENT_ID); |
| } catch (CoreException e) { |
| PDEUserAssistanceUIPlugin.logException(e); |
| } |
| return false; |
| } |
| |
| /** |
| * @param message |
| * @return |
| */ |
| private IStatus errorStatus(String message) { |
| return new Status(IStatus.ERROR, PDEUserAssistanceUIPlugin.PLUGIN_ID, |
| IStatus.ERROR, message, null); |
| } |
| |
| /** |
| * @param message |
| * @return |
| */ |
| private IStatus okStatus(String message) { |
| return new Status(IStatus.OK, PDEUserAssistanceUIPlugin.PLUGIN_ID, |
| IStatus.OK, message, null); |
| } |
| |
| } |