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/* EditorWindowWrapper.java
* =========================================================================
* This file is part of the GrInvIn project - http://www.grinvin.org
*
* Copyright (C) 2005-2008 Universiteit Gent
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at
* your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* A copy of the GNU General Public License can be found in the file
* LICENSE.txt provided with the source distribution of this program (see
* the META-INF directory in the source jar). This license can also be
* found on the GNU website at http://www.gnu.org/licenses/gpl.html.
*
* If you did not receive a copy of the GNU General Public License along
* with this program, contact the lead developer, or write to the Free
* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
package org.grinvin.workspace;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.net.URISyntaxException;
import org.grinvin.gred.GraphEditor;
import org.grinvin.io.graphs.AnnotationLoader;
import org.grinvin.io.graphs.AnnotationSaver;
import org.grinvin.io.graphs.EmbeddingLoader;
import org.grinvin.io.graphs.EmbeddingSaver;
import org.grinvin.io.list.GraphListLoader;
import org.grinvin.io.list.GraphListSaver;
import org.grinvin.io.graphs.GraphLoader;
import org.grinvin.io.graphs.GraphSaver;
import org.grinvin.io.IOFormatException;
import org.grinvin.io.LoaderSaverHelper;
import org.grinvin.io.SectionLoader;
import org.grinvin.io.SectionSaver;
import org.grinvin.list.graphs.DefaultGraphListModel;
import org.grinvin.list.graphs.GraphList;
import org.grinvin.list.graphs.GraphListModel;
import org.jdom.DataConversionException;
import org.jdom.DocType;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.JDOMException;
/**
* Wrapper for the EditorWindow
*/
public class EditorWindowWrapper extends DefaultWindowWrapper<GraphEditor> {
//
private static final String PUBLIC_ID = "-//GrInvIn IO//Editor 1.1//EN";
@Override
public GraphEditor create() {
return new GraphEditor(new DefaultGraphListModel());
}
public String getElementName() {
return "editorWindow";
}
/**
* Load the editor window, its graph list, the graph being edited
* and the guides tool configuration.
*/
@Override
public GraphEditor load(Element element, SectionLoader sloader) throws IOException {
try {
String editorURI = element.getAttributeValue("uri");
URI uri = new URI(editorURI);
InputStream rootinput = sloader.openSection(uri.getSchemeSpecificPart() + "/meta.xml");
Document document = LoaderSaverHelper.loadDocument(rootinput);
if (!PUBLIC_ID.equals(document.getDocType().getPublicID()))
throw new IOFormatException("Unkown document type: " + document.getDocType().getPublicID() + " expects " + PUBLIC_ID);
GraphEditor editor = loadAll(document.getRootElement(), sloader);
editor.setURI(uri);
return editor;
} catch (URISyntaxException ex) {
throw new IOFormatException("Invalid URI in meta.xml", ex);
} catch (DataConversionException ex) {
throw new IOFormatException("Incorrect boolean attribute value in meta.xml", ex);
} catch (JDOMException ex) {
throw new IOFormatException("XML parse error", ex);
}
}
private GraphEditor loadAll(Element element, SectionLoader sloader) throws IOException, URISyntaxException, DataConversionException {
GraphListModel list = new DefaultGraphListModel();
URI graphListURI = new URI(element.getChild("graphList").getAttributeValue("uri"));
InputStream input = sloader.openSection(graphListURI.getSchemeSpecificPart());
GraphListLoader.load(list, input, sloader);
list.setURI(graphListURI);
// create and initialize the window
GraphEditor editor = new GraphEditor(list);
// initialize properties of this window and of its guides tool
loadWindowProperties(element, editor);
editor.setDirty(element.getAttribute("dirty").getBooleanValue());
if (element.getAttributeValue("showAdvancedToolbar") != null)
editor.setAdvancedToolbar(element.getAttribute("showAdvancedToolbar").getBooleanValue());
// load the graph
InputStream graph = sloader.openSection(element.getAttributeValue("graph"));
GraphLoader.load(editor.getGraph(), graph);
InputStream embedding = sloader.openSection(element.getAttributeValue("embedding"));
EmbeddingLoader.load(editor.getEmbedding(), embedding);
if (element.getAttributeValue("annotation") != null) {
InputStream annotation = sloader.openSection(element.getAttributeValue("annotation"));
AnnotationLoader.load(editor.getAnnotation(), annotation);
}
return editor;
}
/**
* Save the editor window, its graph list, the graph being edited
* and the guides tool configuration.
*/
@Override
public void save(GraphEditor window, Element parent, SectionSaver ssaver) throws IOException {
// save properties of window and of guides tool
Element element = baseElement();
String name = LoaderSaverHelper.prepareSessionURI(window, "editors", "editor");
Element editor = new Element("editorWindow");
editor.setAttribute("uri", window.getURI().toString());
parent.addContent(editor);
saveWindowProperties(element, window);
element.setAttribute("dirty", Boolean.toString(window.isDirty()));
element.setAttribute("showAdvancedToolbar", Boolean.toString(window.showAdvancedToolbar()));
// save graph being edited
EmbeddingSaver.save(window.getEmbedding(), ssaver.createSection(name + "/embedding.xml"));
AnnotationSaver.save(window.getAnnotation(), ssaver.createSection(name + "/annotation.xml"));
GraphSaver.save(window.getGraph(), ssaver.createSection(name + "/graph.xml"));
// save graph list (including contents)
GraphList list = window.getGraphList();
GraphListSaver.saveIntoWorkspace(list, ssaver);
Element graphList = new Element("graphList");
graphList.setAttribute("uri", list.getURI().toString());
element.addContent(graphList);
element.setAttribute("embedding", name + "/embedding.xml");
element.setAttribute("annotation", name + "/annotation.xml");
element.setAttribute("graph", name + "/graph.xml");
LoaderSaverHelper.outputXML(element,
new DocType("editorWindow", PUBLIC_ID, "http://downloads.grinvin.org/dtds/io/editor-1.1.dtd"),
ssaver.createSection(name + "/meta.xml"));
}
}
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