~ubuntu-branches/ubuntu/oneiric/tuxguitar/oneiric

package org.herac.tuxguitar.gui.system.keybindings.xml;

 

import java.io.File;

import java.io.FileNotFoundException;

import java.io.FileOutputStream;

import java.util.Iterator;

import java.util.Set;

 

import javax.xml.parsers.DocumentBuilder;

import javax.xml.parsers.DocumentBuilderFactory;

import javax.xml.parsers.FactoryConfigurationError;

import javax.xml.parsers.ParserConfigurationException;

import javax.xml.transform.OutputKeys;

import javax.xml.transform.Result;

import javax.xml.transform.Source;

import javax.xml.transform.Transformer;

import javax.xml.transform.TransformerConfigurationException;

import javax.xml.transform.TransformerException;

import javax.xml.transform.TransformerFactory;

import javax.xml.transform.dom.DOMSource;

import javax.xml.transform.stream.StreamResult;

 

import org.herac.tuxguitar.gui.TuxGuitar;

import org.herac.tuxguitar.gui.system.keybindings.KeyBinding;

import org.w3c.dom.Attr;

import org.w3c.dom.Document;

import org.w3c.dom.Node;

 

public class KeyBindingWriter {

        

        private static final String SHORTCUTS_TAG = "shortcuts";

        private static final String SHORTCUT_TAG = "shortcut";

        private static final String ACTION_ATTRIBUTE = "action";

        private static final String KEYS_ATTRIBUTE = "keys";

        

    public static void setBindings(Set keyBindings,String fileName) {           

        File file = new File(fileName);

        

        Document doc = createDocument();

        setBindings(keyBindings,doc);

        saveDocument(doc,file);        

    }

    

    

    public static Document createDocument() {

        Document document = null;

        DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();

        try {

            DocumentBuilder builder = factory.newDocumentBuilder();

            document = builder.newDocument();

        }catch (ParserConfigurationException pce) {

            pce.printStackTrace();

        } 

        return document;

    }        

    

 

    

    public static void saveDocument(Document document,File file) {

        try {

            FileOutputStream fs = new FileOutputStream(file);

 

            // Write it out again

            TransformerFactory xformFactory = TransformerFactory.newInstance();

            Transformer idTransform = xformFactory.newTransformer();

            Source input = new DOMSource(document);            

            Result output = new StreamResult(fs);

            idTransform.setOutputProperty(OutputKeys.INDENT, "yes");

            idTransform.transform(input, output);

 

        } catch (FactoryConfigurationError e) {

            e.printStackTrace();

        } catch (TransformerConfigurationException e) {

            e.printStackTrace();

        } catch (TransformerException e) {

            e.printStackTrace();

        } catch (FileNotFoundException e) {

            e.printStackTrace();

        }

 

    }

 

    /**

     * Write shortcuts to xml file

     * 

     * @param shortcutsNode

     * @return

     */

    private static void setBindings(Set keyBindings,Document document){         

        Node shortcutsNode = document.createElement(SHORTCUTS_TAG);

 

        Iterator it = keyBindings.iterator();

        while(it.hasNext()){

                KeyBinding keyBinding = (KeyBinding) it.next();

                String keyString = keyBinding.toString();

                String actionString = TuxGuitar.instance().getkeyBindingManager().getActionForKeyBinding(keyBinding).getName();                 

                        

                Node node = document.createElement(SHORTCUT_TAG);

                shortcutsNode.appendChild(node);    

        

                Attr keyAttr = document.createAttribute(KEYS_ATTRIBUTE);

                Attr ActionAttr = document.createAttribute(ACTION_ATTRIBUTE);           

 

                keyAttr.setNodeValue(keyString);

                ActionAttr.setNodeValue(actionString);

        

                node.getAttributes().setNamedItem(keyAttr);

                node.getAttributes().setNamedItem(ActionAttr);

        }

        document.appendChild(shortcutsNode);    

    }

    

}