/*
* 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.ldapbrowser.ui.editors.entry;
import org.apache.directory.studio.entryeditors.EntryEditorInput;
import org.apache.directory.studio.entryeditors.EntryEditorUtils;
import org.apache.directory.studio.entryeditors.IEntryEditor;
import org.apache.directory.studio.ldapbrowser.common.BrowserCommonActivator;
import org.apache.directory.studio.ldapbrowser.common.BrowserCommonConstants;
import org.apache.directory.studio.ldapbrowser.common.widgets.entryeditor.EntryEditorWidget;
import org.apache.directory.studio.ldapbrowser.core.model.IEntry;
import org.apache.directory.studio.ldapbrowser.ui.BrowserUIConstants;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorSite;
import org.eclipse.ui.INavigationLocation;
import org.eclipse.ui.INavigationLocationProvider;
import org.eclipse.ui.IReusableEditor;
import org.eclipse.ui.IShowEditorInput;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.part.EditorPart;
import org.eclipse.ui.views.contentoutline.IContentOutlinePage;
/**
* The EntryEditor is an {@link IEditorPart} is used to display and edit the attributes of an entry.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public abstract class EntryEditor extends EditorPart implements IEntryEditor, INavigationLocationProvider,
IReusableEditor, IShowEditorInput
{
/** The editor configuration. */
protected EntryEditorConfiguration configuration;
/** The action group. */
protected EntryEditorActionGroup actionGroup;
/** The main widget. */
protected EntryEditorWidget mainWidget;
/** The universal listener. */
protected EntryEditorUniversalListener universalListener;
/** The outline page. */
protected EntryEditorOutlinePage outlinePage;
IPropertyChangeListener propertyChangeListener = new IPropertyChangeListener()
{
@Override
public void propertyChange( org.eclipse.jface.util.PropertyChangeEvent event )
{
// set the input again if the auto-save option has been changed
if ( event.getProperty() != null )
{
if ( event.getProperty().equals( BrowserCommonConstants.PREFERENCE_ENTRYEDITOR_AUTOSAVE_SINGLE_TAB )
|| event.getProperty().equals( BrowserCommonConstants.PREFERENCE_ENTRYEDITOR_AUTOSAVE_MULTI_TAB ) )
{
setInput( getEditorInput() );
}
}
}
};
/**
* {@inheritDoc}
*/
@Override
public void init( IEditorSite site, IEditorInput input ) throws PartInitException
{
setSite( site );
setInput( input );
BrowserCommonActivator.getDefault().getPreferenceStore().addPropertyChangeListener( propertyChangeListener );
}
/**
* {@inheritDoc}
*/
@Override
public void setInput( IEditorInput input )
{
super.setInput( input );
EntryEditorInput eei = getEntryEditorInput();
setEntryEditorWidgetInput( eei );
setEditorName( eei );
// refresh outline
if ( outlinePage != null )
{
outlinePage.refresh();
}
}
/**
* {@inheritDoc}
*/
@Override
public void createPartControl( Composite parent )
{
Composite composite = new Composite( parent, SWT.NONE );
composite.setLayoutData( new GridData( GridData.FILL_BOTH ) );
GridLayout layout = new GridLayout();
layout.marginWidth = 0;
layout.marginHeight = 0;
layout.verticalSpacing = 0;
composite.setLayout( layout );
PlatformUI.getWorkbench().getHelpSystem().setHelp( composite,
BrowserUIConstants.PLUGIN_ID + "." + "tools_table_entry_editor" ); //$NON-NLS-1$ //$NON-NLS-2$
// create configuration
configuration = new EntryEditorConfiguration( this );
// create main widget
mainWidget = new EntryEditorWidget( configuration );
mainWidget.createWidget( composite );
// create actions and context menu and register global actions
actionGroup = new EntryEditorActionGroup( this );
actionGroup.fillToolBar( mainWidget.getToolBarManager() );
actionGroup.fillMenu( mainWidget.getMenuManager() );
actionGroup.enableGlobalActionHandlers( getEditorSite().getActionBars() );
actionGroup.fillContextMenu( mainWidget.getContextMenuManager() );
// create the listener
getSite().setSelectionProvider( mainWidget.getViewer() );
universalListener = new EntryEditorUniversalListener( this );
setInput( getEditorInput() );
}
/**
* {@inheritDoc}
*/
@Override
public void setFocus()
{
mainWidget.setFocus();
}
/**
* {@inheritDoc}
*/
@Override
public Object getAdapter( Class required )
{
if ( IContentOutlinePage.class.equals( required ) )
{
if ( outlinePage == null || outlinePage.getControl() == null || outlinePage.getControl().isDisposed() )
{
outlinePage = new EntryEditorOutlinePage( this );
}
return outlinePage;
}
return super.getAdapter( required );
}
/**
* {@inheritDoc}
*/
@Override
public void dispose()
{
if ( configuration != null )
{
universalListener.dispose();
universalListener = null;
mainWidget.dispose();
mainWidget = null;
actionGroup.dispose();
actionGroup = null;
configuration.dispose();
configuration = null;
getSite().setSelectionProvider( null );
BrowserCommonActivator.getDefault().getPreferenceStore().removePropertyChangeListener(
propertyChangeListener );
}
super.dispose();
}
/**
* {@inheritDoc}
*/
@Override
public void doSave( final IProgressMonitor monitor )
{
if ( !isAutoSave() )
{
EntryEditorInput eei = getEntryEditorInput();
eei.saveSharedWorkingCopy( true, this );
}
}
/**
* {@inheritDoc}
*/
@Override
public void doSaveAs()
{
}
/**
* {@inheritDoc}
*/
@Override
public boolean isDirty()
{
return getEntryEditorInput().isSharedWorkingCopyDirty( this );
}
/**
* {@inheritDoc}
*/
@Override
public boolean isSaveAsAllowed()
{
return false;
}
/**
* Gets the action group.
*
* @return the action group
*/
public EntryEditorActionGroup getActionGroup()
{
return actionGroup;
}
/**
* Gets the configuration.
*
* @return the configuration
*/
public EntryEditorConfiguration getConfiguration()
{
return configuration;
}
/**
* Gets the main widget.
*
* @return the main widget
*/
public EntryEditorWidget getMainWidget()
{
return mainWidget;
}
/**
* Gets the outline page.
*
* @return the outline page
*/
public EntryEditorOutlinePage getOutlinePage()
{
return outlinePage;
}
/**
* Gets the universal listener.
*
* @return the universal listener
*/
public EntryEditorUniversalListener getUniversalListener()
{
return universalListener;
}
/**
* {@inheritDoc}
*/
@Override
public INavigationLocation createEmptyNavigationLocation()
{
return null;
}
/**
* {@inheritDoc}
*/
@Override
public INavigationLocation createNavigationLocation()
{
return new EntryEditorNavigationLocation( this );
}
/**
* Sets the editor name.
*
* @param input the new editor name
*/
protected void setEditorName( EntryEditorInput input )
{
setPartName( input.getName() );
}
/**
* This implementation returns always true.
*
* {@inheritDoc}
*/
@Override
public boolean canHandle( IEntry entry )
{
return true;
}
/**
* {@inheritDoc}
*/
@Override
public EntryEditorInput getEntryEditorInput()
{
return EntryEditorUtils.getEntryEditorInput( getEditorInput() );
}
/**
* {@inheritDoc}
*/
@Override
public void workingCopyModified( Object source )
{
if ( mainWidget != null && !mainWidget.getViewer().isCellEditorActive() )
{
ISelection selection = mainWidget.getViewer().getSelection();
mainWidget.getViewer().refresh();
mainWidget.getViewer().setSelection( selection );
}
if ( !isAutoSave() )
{
// mark as dirty
firePropertyChange( PROP_DIRTY );
}
}
/**
* Sets the entry editor widget input. A clone of the real entry
* with a read-only connection is used for that.
* @param eei
*/
private void setEntryEditorWidgetInput( EntryEditorInput eei )
{
if ( mainWidget != null )
{
universalListener.setInput( eei.getSharedWorkingCopy( this ) );
/*
* Explicitly deselect previously selected attributes and values.
* This avoids disabled actions if the new input is equal but not
* identical to the previous input. This happens for example if
* an ISearchResult or IBookmark object is open and afterwards
* the IEntry object is opened.
*/
mainWidget.getViewer().setSelection( StructuredSelection.EMPTY );
}
}
/**
* {@inheritDoc}
*/
@Override
public void showEditorInput( IEditorInput input )
{
if ( input instanceof EntryEditorInput )
{
/*
* Optimization: no need to set the input again if the same input is already set
*/
if ( getEntryEditorInput() != null
&& getEntryEditorInput().getResolvedEntry() == ( ( EntryEditorInput ) input ).getResolvedEntry() )
{
return;
}
// If the editor is dirty, let's ask for a save before changing the input
if ( isDirty() && !EntryEditorUtils.askSaveSharedWorkingCopyBeforeInputChange( this ) )
{
return;
}
// now set the real input and mark history location
setInput( input );
getSite().getPage().getNavigationHistory().markLocation( this );
firePropertyChange( BrowserUIConstants.INPUT_CHANGED );
}
}
}