1 /*

     2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: 

    15 *

    16 */

    17 

    18 

    19 package com.nokia.carbide.remoteconnections.wizard;

    20 

    21 

    22 import com.nokia.carbide.remoteconnections.Messages;

    23 import com.nokia.carbide.remoteconnections.RemoteConnectionsActivator;

    24 import com.nokia.carbide.remoteconnections.internal.registry.Reader;

    25 

    26 import org.eclipse.core.runtime.IPath;

    27 import org.eclipse.core.runtime.Path;

    28 import org.eclipse.jface.viewers.CheckStateChangedEvent;

    29 import org.eclipse.jface.viewers.ICheckStateListener;

    30 import org.eclipse.swt.SWT;

    31 import org.eclipse.swt.events.SelectionAdapter;

    32 import org.eclipse.swt.events.SelectionEvent;

    33 import org.eclipse.swt.widgets.*;

    34 

    35 import java.io.*;

    36 

    37 /**

    38  * Page in import wizard

    39  */

    40 public class ImportPage extends AbstractImportExportPage {

    41 

    42 	// the following two arrays need to correspond

    43 	static final String[] FILTER_EXTS  = { 

    44 		"*.xml", //$NON-NLS-1$

    45 		"*.*" //$NON-NLS-1$

    46 	};

    47 	static final String[] FILTER_EXT_NAMES  = { 

    48 		Messages.getString("ImportPage.XMLFilesLabel"), //$NON-NLS-1$

    49 		Messages.getString("ImportPage.AllFilesLabel") //$NON-NLS-1$

    50 	};

    51 	

    52 

    53 	protected ImportPage() {

    54 		super("ImportPage"); //$NON-NLS-1$

    55 		setTitle(Messages.getString("ImportPage.Title")); //$NON-NLS-1$

    56 		setDescription(Messages.getString("ImportPage.Description")); //$NON-NLS-1$

    57 	}

    58 

    59 	public void createControl(Composite parent) {

    60 		super.createControl(parent);

    61 		Composite composite = (Composite) getControl();

    62 

    63         createBrowseGroup(composite, Messages.getString("ImportPage.BrowseGroupLabel")); //$NON-NLS-1$

    64 	    browseButton.addSelectionListener(new SelectionAdapter() {

    65 			@Override

    66 			public void widgetSelected(SelectionEvent e) {

    67 				FileDialog fileDialog = new FileDialog(getShell(), SWT.OPEN);

    68 				fileDialog.setText(Messages.getString("ImportPage.FileDialogTitle")); //$NON-NLS-1$

    69 				fileDialog.setFilterExtensions(FILTER_EXTS);

    70 				fileDialog.setFilterNames(FILTER_EXT_NAMES);

    71 				String pathstr = fileDialog.open();

    72 				if (pathstr != null) {

    73 					pathText.setText(pathstr);

    74 				}

    75 			}

    76 	    });

    77         createViewerGroup(composite, Messages.getString("ImportPage.ViewerGroupLabel")); //$NON-NLS-1$

    78 		viewer.addCheckStateListener(new ICheckStateListener() {

    79 			public void checkStateChanged(CheckStateChangedEvent event) {

    80 				setPageComplete(validatePage(false));

    81 			}

    82 		});

    83 

    84         setPageComplete(validatePage(true));

    85 		RemoteConnectionsActivator.setHelp(composite, ".import_wizard"); //$NON-NLS-1$

    86 	}

    87 

    88 	protected boolean validatePage(boolean validateFile) {

    89 		setErrorMessage(null);

    90 		boolean valid = !validateFile;

    91 		if (validateFile) {

    92 			connections = null;

    93 			viewer.setInput(connections);

    94 			IPath path = new Path(pathText.getText());

    95 			File file = path.toFile();

    96 			if (file.exists()) {

    97 				try {

    98 					InputStream is = new FileInputStream(file); 

    99 					connections = Reader.readFromXML(RemoteConnectionsActivator.getConnectionTypeProvider(), is);

   100 					viewer.setInput(connections);

   101 					TableColumn[] columns = viewer.getTable().getColumns();

   102 					for (TableColumn tableColumn : columns) {

   103 						tableColumn.pack();

   104 					}

   105 					viewer.setAllChecked(true);

   106 					valid = true;

   107 				}

   108 				catch (Throwable t) {

   109 					// if we get an exception, it just means this was not a valid file

   110 				}

   111 			}

   112 		}

   113 		

   114 		if (!valid) {

   115 			setErrorMessage(Messages.getString("ImportPage.NoValidFileSelectedError")); //$NON-NLS-1$

   116 		}

   117 		else if (connections.isEmpty()) {

   118 			setErrorMessage(Messages.getString("ImportPage.NoConnectionsInFileError")); //$NON-NLS-1$

   119 			valid = false;

   120 		}

   121 		else if (viewer.getCheckedElements().length == 0) {

   122 			setErrorMessage(Messages.getString("ImportPage.NoConnectionsSelectedError")); //$NON-NLS-1$

   123 			valid = false;

   124 		}

   125 		

   126 		return valid;

   127 	}

   128 

   129 }