/*
* 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.ldifeditor.editor;
import org.apache.directory.studio.ldifeditor.LdifEditorActivator;
import org.apache.directory.studio.ldifeditor.LdifEditorConstants;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.ui.IPathEditorInput;
import org.eclipse.ui.IPersistableElement;
import org.eclipse.ui.editors.text.ILocationProvider;
/**
* This EditorInput is used to create a LDIF file that isn't saved yet.
* It is used from File->New, but also from the embedded LDIF editors
* in modification view, in batch operation wizard and the LDIF preference page.
*
* Inspired from org.eclipse.ui.internal.editors.text.NonExistingFileEditorInput.java
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class NonExistingLdifEditorInput implements IPathEditorInput, ILocationProvider
{
/** The counter to create unique names */
private static int counter = 0;
/** The name, displayed in Editor tab */
private String name;
/**
* Creates a new instance of NonExistingLdifEditorInput.
*/
public NonExistingLdifEditorInput()
{
counter++;
name = "LDIF " + counter; //$NON-NLS-1$
}
/**
* As the name says, this implementations always returns false.
*/
public boolean exists()
{
return false;
}
/**
* Returns the LDIF file image.
*/
public ImageDescriptor getImageDescriptor()
{
return LdifEditorActivator.getDefault().getImageDescriptor( LdifEditorConstants.IMG_BROWSER_LDIFEDITOR );
}
/**
* Returns the name.
*/
public String getName()
{
return name;
}
/**
* As the name says, this implementations always returns false.
*/
public IPersistableElement getPersistable()
{
return null;
}
/**
* Returns the name.
*/
public String getToolTipText()
{
return name;
}
/**
* An EditorInput must return a good ILocationProvider, otherwise
* the editor is not editable.
*/
public Object getAdapter( Class adapter )
{
if ( ILocationProvider.class.equals( adapter ) )
{
return this;
}
return Platform.getAdapterManager().getAdapter( this, adapter );
}
/**
* This implementation returns a path that point to the plugin's
* state location.
*
* A valid, writeable path must be returned, otherwise the editor
* is not editable.
*/
public IPath getPath( Object element )
{
if ( element instanceof NonExistingLdifEditorInput )
{
NonExistingLdifEditorInput input = ( NonExistingLdifEditorInput ) element;
return input.getPath();
}
return null;
}
/**
* This implemention just compares the names
*/
public boolean equals( Object o )
{
if ( o == this )
{
return true;
}
if ( o instanceof NonExistingLdifEditorInput )
{
NonExistingLdifEditorInput input = ( NonExistingLdifEditorInput ) o;
return name.equals( input.name );
}
return false;
}
/**
* Returns hash code of the name string.
*/
public int hashCode()
{
return name.hashCode();
}
/**
* This implementation returns a path that point to the plugin's
* state location. The state location is a platform indepentend
* location that is writeable.
*
* A valid, writeable path must be returned, otherwise the editor
* is not editable.
*/
public IPath getPath()
{
return LdifEditorActivator.getDefault().getStateLocation().append( name + ".ldif" ); //$NON-NLS-1$
}
}