org.eclipse.ui.internal.ide.actions.OpenLocalFileAction.java Source code

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Here is the source code for org.eclipse.ui.internal.ide.actions.OpenLocalFileAction.java

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/*******************************************************************************
 * Copyright (c) 2007, 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.ui.internal.ide.actions;

import org.eclipse.osgi.util.NLS;

import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.FileDialog;

import org.eclipse.core.filesystem.EFS;
import org.eclipse.core.filesystem.IFileInfo;
import org.eclipse.core.filesystem.IFileStore;

import org.eclipse.core.runtime.Path;

import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.viewers.ISelection;

import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.IWorkbenchWindowActionDelegate;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.ide.IDE;
import org.eclipse.ui.internal.ide.IDEWorkbenchMessages;
import org.eclipse.ui.internal.ide.IDEWorkbenchPlugin;

/**
 * Standard action for opening an editor on local file(s). 
 * <p>
 * This class may be instantiated; it is not intended to be subclassed.
 * </p>
 */
public class OpenLocalFileAction extends Action implements IWorkbenchWindowActionDelegate {

    private IWorkbenchWindow window;
    private String filterPath;

    /**
     * Creates a new action for opening a local file.
     */
    public OpenLocalFileAction() {
        setEnabled(true);
    }

    /* (non-Javadoc)
     * @see org.eclipse.ui.IWorkbenchWindowActionDelegate#dispose()
     */
    public void dispose() {
        window = null;
        filterPath = null;
    }

    /* (non-Javadoc)
     * @see org.eclipse.ui.IWorkbenchWindowActionDelegate#init(org.eclipse.ui.IWorkbenchWindow)
     */
    public void init(IWorkbenchWindow window) {
        this.window = window;
        filterPath = System.getProperty("user.home"); //$NON-NLS-1$
    }

    /* (non-Javadoc)
     * @see org.eclipse.ui.IActionDelegate#run(org.eclipse.jface.action.IAction)
     */
    public void run(IAction action) {
        run();
    }

    /* (non-Javadoc)
     * @see org.eclipse.ui.IActionDelegate#selectionChanged(org.eclipse.jface.action.IAction, org.eclipse.jface.viewers.ISelection)
     */
    public void selectionChanged(IAction action, ISelection selection) {
    }

    /* (non-Javadoc)
     * @see org.eclipse.jface.action.Action#run()
     */
    public void run() {
        FileDialog dialog = new FileDialog(window.getShell(), SWT.OPEN | SWT.MULTI);
        dialog.setText(IDEWorkbenchMessages.OpenLocalFileAction_title);
        dialog.setFilterPath(filterPath);
        dialog.open();
        String[] names = dialog.getFileNames();

        if (names != null) {
            filterPath = dialog.getFilterPath();

            int numberOfFilesNotFound = 0;
            StringBuffer notFound = new StringBuffer();
            for (int i = 0; i < names.length; i++) {
                IFileStore fileStore = EFS.getLocalFileSystem().getStore(new Path(filterPath));
                fileStore = fileStore.getChild(names[i]);
                IFileInfo fetchInfo = fileStore.fetchInfo();
                if (!fetchInfo.isDirectory() && fetchInfo.exists()) {
                    IWorkbenchPage page = window.getActivePage();
                    try {
                        IDE.openEditorOnFileStore(page, fileStore);
                    } catch (PartInitException e) {
                        String msg = NLS.bind(IDEWorkbenchMessages.OpenLocalFileAction_message_errorOnOpen,
                                fileStore.getName());
                        IDEWorkbenchPlugin.log(msg, e.getStatus());
                        MessageDialog.open(MessageDialog.ERROR, window.getShell(),
                                IDEWorkbenchMessages.OpenLocalFileAction_title, msg, SWT.SHEET);
                    }
                } else {
                    if (++numberOfFilesNotFound > 1)
                        notFound.append('\n');
                    notFound.append(fileStore.getName());
                }
            }

            if (numberOfFilesNotFound > 0) {
                String msgFmt = numberOfFilesNotFound == 1
                        ? IDEWorkbenchMessages.OpenLocalFileAction_message_fileNotFound
                        : IDEWorkbenchMessages.OpenLocalFileAction_message_filesNotFound;
                String msg = NLS.bind(msgFmt, notFound.toString());
                MessageDialog.open(MessageDialog.ERROR, window.getShell(),
                        IDEWorkbenchMessages.OpenLocalFileAction_title, msg, SWT.SHEET);
            }
        }
    }
}