/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*
*/
package org.apache.directory.studio.schemaeditor.view.wizards;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import org.apache.directory.studio.schemaeditor.Activator;
import org.apache.directory.studio.schemaeditor.PluginConstants;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.CheckStateChangedEvent;
import org.eclipse.jface.viewers.CheckboxTableViewer;
import org.eclipse.jface.viewers.ICheckStateListener;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionAdapter;
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.DirectoryDialog;
import org.eclipse.swt.widgets.Group;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Table;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.PlatformUI;
/**
* This class represents the WizardPage of the ImportSchemasFromOpenLdapWizard.
* <p>
* It is used to let the user enter the informations about the
* schemas he wants to import.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class ImportSchemasFromXmlWizardPage extends AbstractWizardPage
{
// UI Fields
private Text fromDirectoryText;
private Button fromDirectoryButton;
private CheckboxTableViewer schemaFilesTableViewer;
private Button schemaFilesTableSelectAllButton;
private Button schemaFilesTableDeselectAllButton;
/**
* Creates a new instance of ImportSchemasFromOpenLdapWizardPage.
*/
protected ImportSchemasFromXmlWizardPage()
{
super( "ImportSchemasFromXmlWizardPage" ); //$NON-NLS-1$
setTitle( Messages.getString( "ImportSchemasFromXmlWizardPage.ImportSchemasFromXML" ) ); //$NON-NLS-1$
setDescription( Messages.getString( "ImportSchemasFromXmlWizardPage.SelectXMLSchemaToImport" ) ); //$NON-NLS-1$
setImageDescriptor( Activator.getDefault().getImageDescriptor( PluginConstants.IMG_SCHEMAS_IMPORT_WIZARD ) );
}
/**
* {@inheritDoc}
*/
public void createControl( Composite parent )
{
Composite composite = new Composite( parent, SWT.NULL );
GridLayout layout = new GridLayout();
composite.setLayout( layout );
// From Directory Group
Group fromDirectoryGroup = new Group( composite, SWT.NONE );
fromDirectoryGroup.setText( Messages.getString( "ImportSchemasFromXmlWizardPage.FromDirectory" ) ); //$NON-NLS-1$
fromDirectoryGroup.setLayout( new GridLayout( 3, false ) );
fromDirectoryGroup.setLayoutData( new GridData( SWT.FILL, SWT.NONE, true, false ) );
// From Directory
Label fromDirectoryLabel = new Label( fromDirectoryGroup, SWT.NONE );
fromDirectoryLabel.setText( Messages.getString( "ImportSchemasFromXmlWizardPage.FromDirectoryColon" ) ); //$NON-NLS-1$
fromDirectoryText = new Text( fromDirectoryGroup, SWT.BORDER );
fromDirectoryText.setLayoutData( new GridData( SWT.FILL, SWT.NONE, true, false ) );
fromDirectoryText.addModifyListener( new ModifyListener()
{
public void modifyText( ModifyEvent e )
{
dialogChanged();
}
} );
fromDirectoryButton = new Button( fromDirectoryGroup, SWT.PUSH );
fromDirectoryButton.setText( Messages.getString( "ImportSchemasFromXmlWizardPage.Browse" ) ); //$NON-NLS-1$
fromDirectoryButton.addSelectionListener( new SelectionAdapter()
{
public void widgetSelected( SelectionEvent e )
{
chooseFromDirectory();
}
} );
// Schema Files Group
Group schemaFilesGroup = new Group( composite, SWT.NONE );
schemaFilesGroup.setText( Messages.getString( "ImportSchemasFromXmlWizardPage.SchemaFiles" ) ); //$NON-NLS-1$
schemaFilesGroup.setLayout( new GridLayout( 2, false ) );
schemaFilesGroup.setLayoutData( new GridData( SWT.FILL, SWT.NONE, true, false ) );
// Schema Files
schemaFilesTableViewer = new CheckboxTableViewer( new Table( schemaFilesGroup, SWT.BORDER | SWT.CHECK
| SWT.FULL_SELECTION ) );
GridData schemasTableViewerGridData = new GridData( SWT.FILL, SWT.NONE, true, false, 1, 2 );
schemasTableViewerGridData.heightHint = 125;
schemaFilesTableViewer.getTable().setLayoutData( schemasTableViewerGridData );
schemaFilesTableViewer.setContentProvider( new ArrayContentProvider() );
schemaFilesTableViewer.setLabelProvider( new LabelProvider()
{
public String getText( Object element )
{
if ( element instanceof File )
{
return ( ( File ) element ).getName();
}
// Default
return super.getText( element );
}
public Image getImage( Object element )
{
if ( element instanceof File )
{
return Activator.getDefault().getImage( PluginConstants.IMG_SCHEMA );
}
// Default
return super.getImage( element );
}
} );
schemaFilesTableViewer.addCheckStateListener( new ICheckStateListener()
{
/**
* Notifies of a change to the checked state of an element.
*
* @param event
* event object describing the change
*/
public void checkStateChanged( CheckStateChangedEvent event )
{
dialogChanged();
}
} );
schemaFilesTableSelectAllButton = new Button( schemaFilesGroup, SWT.PUSH );
schemaFilesTableSelectAllButton.setText( Messages.getString( "ImportSchemasFromXmlWizardPage.SelectAll" ) ); //$NON-NLS-1$
schemaFilesTableSelectAllButton.setLayoutData( new GridData( SWT.FILL, SWT.BEGINNING, false, false ) );
schemaFilesTableSelectAllButton.addSelectionListener( new SelectionAdapter()
{
public void widgetSelected( SelectionEvent e )
{
schemaFilesTableViewer.setAllChecked( true );
dialogChanged();
}
} );
schemaFilesTableDeselectAllButton = new Button( schemaFilesGroup, SWT.PUSH );
schemaFilesTableDeselectAllButton.setText( Messages.getString( "ImportSchemasFromXmlWizardPage.DeselectAll" ) ); //$NON-NLS-1$
schemaFilesTableDeselectAllButton.setLayoutData( new GridData( SWT.FILL, SWT.BEGINNING, false, false ) );
schemaFilesTableDeselectAllButton.addSelectionListener( new SelectionAdapter()
{
public void widgetSelected( SelectionEvent e )
{
schemaFilesTableViewer.setAllChecked( false );
dialogChanged();
}
} );
initFields();
dialogChanged();
setControl( composite );
}
/**
* Initializes the UI Fields.
*/
private void initFields()
{
displayErrorMessage( null );
setPageComplete( false );
}
/**
* This method is called when the exportMultipleFiles 'browse' button is selected.
*/
private void chooseFromDirectory()
{
DirectoryDialog dialog = new DirectoryDialog( PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell() );
dialog.setText( Messages.getString( "ImportSchemasFromXmlWizardPage.ChooseFolder" ) ); //$NON-NLS-1$
dialog.setMessage( Messages.getString( "ImportSchemasFromXmlWizardPage.SelectFolderToImportFrom" ) ); //$NON-NLS-1$
if ( "".equals( fromDirectoryText.getText() ) ) //$NON-NLS-1$
{
dialog.setFilterPath( Activator.getDefault().getPreferenceStore().getString(
PluginConstants.FILE_DIALOG_IMPORT_SCHEMAS_XML ) );
}
else
{
dialog.setFilterPath( fromDirectoryText.getText() );
}
String selectedDirectory = dialog.open();
if ( selectedDirectory != null )
{
fromDirectoryText.setText( selectedDirectory );
fillInSchemaFilesTable( selectedDirectory );
}
}
/**
* Fills in the SchemaFilesTable with the schema files found in the given path.
*
* @param path
* the path to search schema files in
*/
private void fillInSchemaFilesTable( String path )
{
List<File> schemaFiles = new ArrayList<File>();
File selectedDirectory = new File( path );
if ( selectedDirectory.exists() )
{
for ( File file : selectedDirectory.listFiles() )
{
String fileName = file.getName();
if ( fileName.endsWith( ".xml" ) ) //$NON-NLS-1$
{
schemaFiles.add( file );
}
}
}
schemaFilesTableViewer.setInput( schemaFiles );
}
/**
* This method is called when the user modifies something in the UI.
*/
private void dialogChanged()
{
// Checking if a Schema Project is open
if ( Activator.getDefault().getSchemaHandler() == null )
{
displayErrorMessage( Messages.getString( "ImportSchemasFromXmlWizardPage.ErrorNoSchemaProjectOpen" ) ); //$NON-NLS-1$
return;
}
// Export Directory
String directory = fromDirectoryText.getText();
if ( ( directory == null ) || ( directory.equals( "" ) ) ) //$NON-NLS-1$
{
displayErrorMessage( Messages.getString( "ImportSchemasFromXmlWizardPage.ErrorNoDirectorySelected" ) ); //$NON-NLS-1$
return;
}
else
{
File directoryFile = new File( directory );
if ( !directoryFile.exists() )
{
displayErrorMessage( Messages
.getString( "ImportSchemasFromXmlWizardPage.ErrorSelectedDirectoryNotExists" ) ); //$NON-NLS-1$
return;
}
else if ( !directoryFile.isDirectory() )
{
displayErrorMessage( Messages
.getString( "ImportSchemasFromXmlWizardPage.ErrorSelectedDirectoryNotDirectory" ) ); //$NON-NLS-1$
return;
}
else if ( !directoryFile.canRead() )
{
displayErrorMessage( Messages
.getString( "ImportSchemasFromXmlWizardPage.ErrorSelectedDirectoryNotReadable" ) ); //$NON-NLS-1$
return;
}
}
// Schemas table
if ( schemaFilesTableViewer.getCheckedElements().length == 0 )
{
displayErrorMessage( Messages.getString( "ImportSchemasFromXmlWizardPage.ErrorNoSchemaSelected" ) ); //$NON-NLS-1$
return;
}
displayErrorMessage( null );
}
/**
* Gets the selected schema files.
*
* @return
* the selected schema files
*/
public File[] getSelectedSchemaFiles()
{
Object[] selectedSchemaFile = schemaFilesTableViewer.getCheckedElements();
List<File> schemaFiles = new ArrayList<File>();
for ( Object schemaFile : selectedSchemaFile )
{
schemaFiles.add( ( File ) schemaFile );
}
return schemaFiles.toArray( new File[0] );
}
/**
* Saves the dialog settings.
*/
public void saveDialogSettings()
{
Activator.getDefault().getPreferenceStore().putValue( PluginConstants.FILE_DIALOG_IMPORT_SCHEMAS_XML,
fromDirectoryText.getText() );
}
}