/*
* 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.aciitemeditor;
import java.io.IOException;
import java.util.PropertyResourceBundle;
import org.apache.directory.shared.ldap.aci.ACIItemParser;
import org.apache.directory.studio.aciitemeditor.sourceeditor.ACICodeScanner;
import org.apache.directory.studio.aciitemeditor.sourceeditor.ACITextAttributeProvider;
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.dialogs.Dialog;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.jface.resource.JFaceResources;
import org.eclipse.jface.text.templates.GlobalTemplateVariables;
import org.eclipse.swt.graphics.FontMetrics;
import org.eclipse.swt.graphics.GC;
import org.eclipse.swt.graphics.Image;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.editors.text.templates.ContributionContextTypeRegistry;
import org.eclipse.ui.editors.text.templates.ContributionTemplateStore;
import org.eclipse.ui.plugin.AbstractUIPlugin;
import org.osgi.framework.BundleContext;
/**
* The activator class controls the plug-in life cycle
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev$, $Date$
*/
public class Activator extends AbstractUIPlugin
{
/** The shared instance */
private static Activator plugin;
/** The shared ACI Item parser */
private ACIItemParser aciItemParser;
/** The shared ACI Code Scanner */
private ACICodeScanner aciCodeScanner;
/** The shared ACI TextAttribute Provider */
private ACITextAttributeProvider textAttributeProvider;
/** The template store */
private ContributionTemplateStore aciTemplateStore;
/** The context type registry */
private ContributionContextTypeRegistry aciTemplateContextTypeRegistry;
/** The plugin properties */
private PropertyResourceBundle properties;
/**
* The constructor
*/
public Activator()
{
plugin = this;
}
/**
* {@inheritDoc}
*/
public void start( BundleContext context ) throws Exception
{
super.start( context );
// ACI Template ContextType Registry initialization
if ( aciTemplateContextTypeRegistry == null )
{
aciTemplateContextTypeRegistry = new ContributionContextTypeRegistry();
aciTemplateContextTypeRegistry.addContextType( ACIITemConstants.ACI_ITEM_TEMPLATE_ID );
aciTemplateContextTypeRegistry.getContextType( ACIITemConstants.ACI_ITEM_TEMPLATE_ID ).addResolver(
new GlobalTemplateVariables.Cursor() );
}
// ACI Template Store initialization
if ( aciTemplateStore == null )
{
aciTemplateStore = new ContributionTemplateStore( getAciTemplateContextTypeRegistry(),
getPreferenceStore(), "templates" ); //$NON-NLS-1$
try
{
aciTemplateStore.load();
}
catch ( IOException e )
{
e.printStackTrace();
}
}
}
/**
* {@inheritDoc}
*/
public void stop( BundleContext context ) throws Exception
{
plugin = null;
super.stop( context );
}
/**
* Returns the shared instance
*
* @return the shared instance
*/
public static Activator getDefault()
{
return plugin;
}
/**
* Returns an image descriptor for the image file at the given
* plug-in relative path
*
* @param path the path
* @return the image descriptor
*/
public static ImageDescriptor getImageDescriptor( String path )
{
return imageDescriptorFromPlugin( ACIITemConstants.PLUGIN_ID, path );
}
/**
* Use this method to get SWT images. A ImageRegistry is used
* to manage the the path->Image mapping.
* <p>
* Note: Don't dispose the returned SWT Image. It is disposed
* automatically when the plugin is stopped.
*
* @param path the path
* @return The SWT Image or null
*/
public Image getImage( String path )
{
Image image = getImageRegistry().get( path );
if ( image == null )
{
ImageDescriptor id = getImageDescriptor( path );
if ( id != null )
{
image = id.createImage();
getImageRegistry().put( path, image );
}
}
return image;
}
/**
* Returns the shared ACI item parser. Take care that
* the parser isn't used concurrently.
*
* @return the shared ACI item parser.
*/
public ACIItemParser getACIItemParser()
{
if ( aciItemParser == null )
{
aciItemParser = new ACIItemParser( null );
}
return aciItemParser;
}
/**
* Returns the button with respect to the font metrics.
*
* @param control a control
* @return the button width
*/
public static int getButtonWidth( Control control )
{
GC gc = new GC( control );
gc.setFont( JFaceResources.getDialogFont() );
FontMetrics fontMetrics = gc.getFontMetrics();
gc.dispose();
int width = Dialog.convertHorizontalDLUsToPixels( fontMetrics, IDialogConstants.BUTTON_WIDTH );
return width;
}
/**
* Returns the TextAttribute Provider
*
* @return
* the TextAttribute Provider
*/
public ACITextAttributeProvider getTextAttributeProvider()
{
if ( textAttributeProvider == null )
{
textAttributeProvider = new ACITextAttributeProvider();
}
return textAttributeProvider;
}
/**
* Retuns the the Aci Code Scanner
*
* @return
* the the Aci Code Scanner
*/
public ACICodeScanner getAciCodeScanner()
{
if ( aciCodeScanner == null )
{
aciCodeScanner = new ACICodeScanner( getTextAttributeProvider() );
}
return aciCodeScanner;
}
/**
* Gets the ACI Template ContextType Registry
*
* @return
* the ACI Template ContextType Registry
*/
public ContributionContextTypeRegistry getAciTemplateContextTypeRegistry()
{
return aciTemplateContextTypeRegistry;
}
/**
* Gets the ACI Template Store
*
* @return
* the ACI Template Store
*/
public ContributionTemplateStore getAciTemplateStore()
{
return aciTemplateStore;
}
/**
* Gets the plugin properties.
*
* @return
* the plugin properties
*/
public PropertyResourceBundle getPluginProperties()
{
if ( properties == null )
{
try
{
properties = new PropertyResourceBundle( FileLocator.openStream( this.getBundle(), new Path(
"plugin.properties" ), false ) );
}
catch ( IOException e )
{
// We can't use the PLUGIN_ID constant since loading the plugin.properties file has failed,
// So we're using a default plugin id.
getLog().log(
new Status( Status.ERROR, "org.apache.directory.studio.aciitemeditor", Status.OK,
"Unable to get the plugin properties.", e ) );
}
}
return properties;
}
}