/*
* 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.editors.attributetype;
import org.apache.directory.studio.schemaeditor.Activator;
import org.apache.directory.studio.schemaeditor.PluginConstants;
import org.apache.directory.studio.schemaeditor.PluginUtils;
import org.apache.directory.studio.schemaeditor.controller.AttributeTypeAdapter;
import org.apache.directory.studio.schemaeditor.controller.AttributeTypeListener;
import org.apache.directory.studio.schemaeditor.controller.SchemaHandler;
import org.apache.directory.studio.schemaeditor.controller.SchemaHandlerAdapter;
import org.apache.directory.studio.schemaeditor.controller.SchemaHandlerListener;
import org.apache.directory.studio.schemaeditor.model.AttributeTypeImpl;
import org.apache.directory.studio.schemaeditor.model.Schema;
import org.apache.log4j.Logger;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.dialogs.IPageChangedListener;
import org.eclipse.jface.dialogs.PageChangedEvent;
import org.eclipse.swt.SWT;
import org.eclipse.swt.widgets.MessageBox;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorSite;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.forms.editor.FormEditor;
/**
* This class represent the Attribute Type Editor.
* <p>
* It is used to edit the values of an attribute type.
*/
public class AttributeTypeEditor extends FormEditor
{
/** The logger */
private static Logger logger = Logger.getLogger( AttributeTypeEditor.class );
/** The ID of the Editor */
public static final String ID = PluginConstants.EDITOR_ATTRIBUTE_TYPE_ID;
/** The editor */
private AttributeTypeEditor instance;
/** The dirty state flag */
private boolean dirty = false;
// The pages
private AttributeTypeEditorOverviewPage overview;
private AttributeTypeEditorSourceCodePage sourceCode;
private AttributeTypeEditorUsedByPage usedBy;
/** The original attribute type */
private AttributeTypeImpl originalAttributeType;
/** The attribute type used to save modifications */
private AttributeTypeImpl modifiedAttributeType;
/** The originalSchema */
private Schema originalSchema;
/** The listener for page changed */
private IPageChangedListener pageChangedListener = new IPageChangedListener()
{
public void pageChanged( PageChangedEvent event )
{
Object selectedPage = event.getSelectedPage();
if ( selectedPage instanceof AttributeTypeEditorOverviewPage )
{
if ( !sourceCode.canLeaveThePage() )
{
notifyError( Messages.getString( "AttributeTypeEditor.CodeErrors" ) ); //$NON-NLS-1$
return;
}
overview.refreshUI();
}
else if ( selectedPage instanceof AttributeTypeEditorSourceCodePage )
{
if ( sourceCode.canLeaveThePage() )
{
sourceCode.refreshUI();
}
}
}
};
/** The attribute type listener */
private AttributeTypeListener attributeTypeListener = new AttributeTypeAdapter()
{
public void attributeTypeRemoved()
{
getEditorSite().getPage().closeEditor( instance, false );
}
};
/** The SchemaHandler listener */
private SchemaHandlerListener schemaHandlerListener = new SchemaHandlerAdapter()
{
public void schemaRemoved( Schema schema )
{
if ( schema.equals( originalSchema ) )
{
getEditorSite().getPage().closeEditor( instance, false );
}
}
};
/* (non-Javadoc)
* @see org.eclipse.ui.forms.editor.FormEditor#init(org.eclipse.ui.IEditorSite, org.eclipse.ui.IEditorInput)
*/
public void init( IEditorSite site, IEditorInput input ) throws PartInitException
{
super.init( site, input );
instance = this;
setSite( site );
setInput( input );
setPartName( input.getName() );
originalAttributeType = ( ( AttributeTypeEditorInput ) getEditorInput() ).getAttributeType();
modifiedAttributeType = PluginUtils.getClone( originalAttributeType );
SchemaHandler schemaHandler = Activator.getDefault().getSchemaHandler();
originalSchema = schemaHandler.getSchema( originalAttributeType.getSchema() );
schemaHandler.addListener( originalAttributeType, attributeTypeListener );
schemaHandler.addListener( schemaHandlerListener );
addPageChangedListener( pageChangedListener );
}
/* (non-Javadoc)
* @see org.eclipse.ui.forms.editor.FormEditor#dispose()
*/
public void dispose()
{
SchemaHandler schemaHandler = Activator.getDefault().getSchemaHandler();
schemaHandler.removeListener( originalAttributeType, attributeTypeListener );
schemaHandler.removeListener( schemaHandlerListener );
super.dispose();
}
/* (non-Javadoc)
* @see org.eclipse.ui.forms.editor.FormEditor#addPages()
*/
protected void addPages()
{
try
{
overview = new AttributeTypeEditorOverviewPage( this );
addPage( overview );
sourceCode = new AttributeTypeEditorSourceCodePage( this );
addPage( sourceCode );
usedBy = new AttributeTypeEditorUsedByPage( this );
addPage( usedBy );
}
catch ( PartInitException e )
{
logger.debug( "error when adding pages" ); //$NON-NLS-1$
}
}
/* (non-Javadoc)
* @see org.eclipse.ui.part.EditorPart#doSave(org.eclipse.core.runtime.IProgressMonitor)
*/
public void doSave( IProgressMonitor monitor )
{
// Verifying if there is an error on the source code page
if ( !sourceCode.canLeaveThePage() )
{
notifyError( Messages.getString( "AttributeTypeEditor.AttributeErrors" ) ); //$NON-NLS-1$
monitor.setCanceled( true );
return;
}
Activator.getDefault().getSchemaHandler().modifyAttributeType( originalAttributeType, modifiedAttributeType );
setPartName( getEditorInput().getName() );
if ( !monitor.isCanceled() )
{
setDirty( false );
}
}
/* (non-Javadoc)
* @see org.eclipse.ui.part.EditorPart#doSaveAs()
*/
public void doSaveAs()
{
// Nothing to do.
}
/* (non-Javadoc)
* @see org.eclipse.ui.part.EditorPart#isSaveAsAllowed()
*/
public boolean isSaveAsAllowed()
{
return false;
}
/* (non-Javadoc)
* @see org.eclipse.ui.forms.editor.FormEditor#isDirty()
*/
public boolean isDirty()
{
return this.dirty;
}
/**
* Sets the dirty state of the editor
*
* @param dirty
* the dirty state
*/
public void setDirty( boolean dirty )
{
this.dirty = dirty;
editorDirtyStateChanged();
}
/**
* Gets the original attribute type.
*
* @return
* the original attribute type
*/
public AttributeTypeImpl getOriginalAttributeType()
{
return originalAttributeType;
}
/**
* Gets the modified attribute type.
*
* @return
* the modified attribute type
*/
public AttributeTypeImpl getModifiedAttributeType()
{
return modifiedAttributeType;
}
/**
* Sets the modified attribute type.
*
* @param modifiedAttributeType
* the modified attribute type to set.
*/
public void setModifiedAttributeType( AttributeTypeImpl modifiedAttributeType )
{
this.modifiedAttributeType = modifiedAttributeType;
}
/**
* Opens an error dialog displaying the given message.
*
* @param message
* the message to display
*/
private void notifyError( String message )
{
MessageBox messageBox = new MessageBox( PlatformUI.getWorkbench().getActiveWorkbenchWindow().getShell(), SWT.OK
| SWT.ICON_ERROR );
messageBox.setMessage( message );
messageBox.open();
}
}