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/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
package org.openoffice.netbeans.modules.office.actions;
import java.io.IOException;
import org.openide.cookies.*;
import org.openide.filesystems.FileLock;
import org.openide.filesystems.FileObject;
import org.openide.loaders.DataObject;
import org.openide.text.DataEditorSupport;
import org.openide.windows.CloneableOpenSupport;
import org.openoffice.netbeans.modules.office.loader.ParcelDescriptorDataObject;
/** Support for editing a data object as text.
*/
// Replace OpenCookie with EditCookie or maybe ViewCookie as desired:
public class ParcelDescriptorEditorSupport extends DataEditorSupport implements EditorCookie, OpenCookie, CloseCookie, PrintCookie {
/** Create a new editor support.
* @param obj the data object whose primary file will be edited as text
*/
public ParcelDescriptorEditorSupport(ParcelDescriptorDataObject obj) {
super(obj, new ParcelDescriptorEnv(obj));
// Set a MIME type as needed, e.g.:
setMIMEType("text/xml");
}
/** Called when the document is modified.
* Here, adding a save cookie to the object and marking it modified.
* @return true if the modification is acceptable
*/
protected boolean notifyModified() {
if (!super.notifyModified()) {
return false;
}
ParcelDescriptorDataObject obj = (ParcelDescriptorDataObject)getDataObject();
if (obj.getCookie(SaveCookie.class) == null) {
obj.setModified(true);
// You must implement this method on the object:
obj.addSaveCookie(new Save());
}
return true;
}
/** Called when the document becomes unmodified.
* Here, removing the save cookie from the object and marking it unmodified.
*/
protected void notifyUnmodified() {
ParcelDescriptorDataObject obj = (ParcelDescriptorDataObject)getDataObject();
SaveCookie save = (SaveCookie)obj.getCookie(SaveCookie.class);
if (save != null) {
// You must implement this method on the object:
obj.removeSaveCookie(save);
obj.setModified(false);
}
super.notifyUnmodified();
}
/** A save cookie to use for the editor support.
* When saved, saves the document to disk and marks the object unmodified.
*/
private class Save implements SaveCookie {
public void save() throws IOException {
saveDocument();
getDataObject().setModified(false);
}
}
/** A description of the binding between the editor support and the object.
* Note this may be serialized as part of the window system and so
* should be static, and use the transient modifier where needed.
*/
private static class ParcelDescriptorEnv extends DataEditorSupport.Env {
/** Create a new environment based on the data object.
* @param obj the data object to edit
*/
public ParcelDescriptorEnv(ParcelDescriptorDataObject obj) {
super(obj);
}
/** Get the file to edit.
* @return the primary file normally
*/
protected FileObject getFile() {
return getDataObject().getPrimaryFile();
}
/** Lock the file to edit.
* Should be taken from the file entry if possible, helpful during
* e.g. deletion of the file.
* @return a lock on the primary file normally
* @throws IOException if the lock could not be taken
*/
protected FileLock takeLock() throws IOException {
return ((ParcelDescriptorDataObject)getDataObject()).getPrimaryEntry().takeLock();
}
/** Find the editor support this environment represents.
* Note that we have to look it up, as keeping a direct
* reference would not permit this environment to be serialized.
* @return the editor support
*/
public CloneableOpenSupport findCloneableOpenSupport() {
return (ParcelDescriptorEditorSupport)getDataObject().getCookie(ParcelDescriptorEditorSupport.class);
}
}
}
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