include ('chrome://jslib/content/io/dir.js');
include ('chrome://jslib/content/io/file.js');
/*include ('chrome://jslib/content/io/rdfBase.js');
include ('chrome://jslib/content/io/rdfResource.js');
include ('chrome://jslib/content/io/rdfContainer.js');*/
include ('chrome://jslib/content/io/rdf.js');/*
include ('chrome://jslib/content/io/rdfFile.js');*/
include ('chrome://jslib/content/io/fileUtils.js');

var slash='/';
if (navigator.platform=="Win32"){
   slash='\\';
}

var directory=slash;
var digilib_path=slash;

getProfile();

function makePathCompatible(path){
  if (navigator.platform=="Win32"){
    // slash durch backslash ersetzten
    path=path.replace(/\//g,"\\");
    // nur 2 backslashs am anfang
    path=path.replace(/^\\{3}/,"\\\\");
    // vor Laufwerkbuchstaben kein Backslash
    if (path.indexOf(":")>0){
      path=path.replace(/^\\/g,"");
    }
    // nur ein Slash gibt Absturz
    path=path.replace(/^\\$/,"c:\\");
    //alert(path);
  }
  return path;
}

function file_open(){
  var nsIFilePicker = Components.interfaces.nsIFilePicker;
  var fp = Components.classes["@mozilla.org/filepicker;1"]
        .createInstance(nsIFilePicker);
  fp.init(window, "Select a Directory", nsIFilePicker.modeGetFolder);

  // set default direcotry
  var aLocalFile = Components.classes["@mozilla.org/file/local;1"].createInstance(Components.interfaces.nsILocalFile);
  directory=makePathCompatible(directory);
  aLocalFile.initWithPath(directory);
  fp.displayDirectory=aLocalFile;

  var res=fp.show();
  if (res==nsIFilePicker.returnOK){
    directory=fp.fileURL.path;
    directory=makePathCompatible(directory);
    setTreeDirectory();
  }
}

function setTreeDirectory(){
    var t=document.getElementById("file_tree");
    t.setAttribute("datasources","file://"+directory+'test.rdf');
	//alert('datasource: '+ t.getAttribute("datasources"));
	//alert('Directory: file://'+directory+'/test.rdf');
}

function refreshTree(){
   var t=document.getElementById("file_tree");
   t.builder.rebuild();
}

function getAttributeOfSelectedNode(attribute) {
	var tree=document.getElementById("file_tree");
    try {
		return tree.view.getCellText(tree.currentIndex,attribute);
    } catch(e) {
		return '';
	}
}

/*
function createSequence(completeURN) {
    if(completeURN.indexOf(slash) != -1) {
		    alert('Recursion: '+completeURN);
	    //lowest sequence
        var seqNodeContainer = dataSource.getNode(completeURN.substring(0,completeURN.lastIndexOf(":")));
		seqNodeContainer.makeSeq();
		//lowest description
		var rootNodeContainer = dataSource.getNode(completeURN.substring(0,completeURN.lastIndexOf(":")));
		var fnTemp = completeURN.substring(0,completeURN.lastIndexOf(":"));
        rootNodeContainer.addTarget("http://echo.unibe.ch/digilib/rdf#fn",completeURN.substring(
		    fnTemp.lastIndexOf(":")+1,completeURN.lastIndexOf(":")));

        completeURN = completeURN.replace(slash,':');

		//next higher sequence
        var seqNode = dataSource.getNode(completeURN.substring(0,completeURN.lastIndexOf(":")));
		seqNode.makeSeq();
		//next higher description
        var rootNode = dataSource.getNode(completeURN.substring(0,completeURN.lastIndexOf(":")));
		fnTemp = completeURN.substring(0,completeURN.lastIndexOf(":"));
        rootNode.addTarget("http://echo.unibe.ch/digilib/rdf#fn",completeURN.substring(
		    fnTemp.lastIndexOf(":")+1,completeURN.lastIndexOf(":")));
        seqNodeContainer.addChild(rootNode);
		alert('Recursion end: '+completeURN);

		if(completeURN.lastIndexOf(slash) == -1) {
		    alert('Recursion finished : '+completeURN);
			var node = dataSource.getNode(completeURN);
			var arrayParams=window.content.listParameters();
			for (i=0; i< arrayParams.length; i++){
				var value=window.content.getParameter(arrayParams[i]);
				//alert(arrayParams[i]+":"+value);
				node.addTarget("http://echo.unibe.ch/digilib/rdf#"+arrayParams[i],value);
			}
			node.addTarget("http://echo.unibe.ch/digilib/rdf#lv","1");
			seqNode.addChild(node);
		}
		this.createSequence(completeURN);
	}
}
*/

/**
 * @todo isn't complex yet...
 */
function createComplexRDFEntry(completeURN) {
    var title = window.prompt("Please enter a title for this Annotation",this.getAttributeOfSelectedNode('name'));
    alert('Title: '+title);
    var echoContainer = dataSource.getNode("urn:echo");
    echoContainer.makeSeq();

	echoContainer.addChild(completeURN);
	var node = dataSource.getNode(completeURN);
	var arrayParams=window.content.listParameters();
	for (i=0; i< arrayParams.length; i++){
		var value=window.content.getParameter(arrayParams[i]);
		//alert(arrayParams[i]+":"+value);
		node.addTarget("http://echo.unibe.ch/digilib/rdf#"+arrayParams[i],value);
	}
	node.addTarget("http://echo.unibe.ch/digilib/rdf#lv","1");
	node.addTarget("http://purl.org/dc/elements/1.0/title",title);
	node.addTarget("http://purl.org/dc/elements/1.0/creator","");
	node.addTarget("http://purl.org/dc/elements/1.0/date","");
	node.addTarget("http://www.w3.org/2000/10/annotation-ns#created","");
	node.addTarget("http://www.w3.org/2000/10/annotation-ns#Annotation","targetof");
	var node2 = dataSource.getNode("targetof");
	node2.addTarget("http://echo.unibe.ch/digilib/rdf#lv","1");
	/*ar subNode = dataSource.getNode('specialised');
	node.addChild(subNode,true);*/
}

function file_save(){

  // get Digilib-Parameter form Browser
  //alert(window.content.location.href);

 var documentpath='';
    try{
        documentpath=window.content.getParameter('fn');
		documentpath=documentpath.replace(':',';');
    }catch (e){
        documentpath='';
    }
    if (documentpath != ''){
        //documentpath=documentpath.replace(slash,':');
	    //alert(documentpath);
        var docPath='urn:echo:'+documentpath;

		var t=document.getElementById("file_tree");
		dataSource = new RDFDataSource(t.getAttribute("datasources"));
		this.createComplexRDFEntry(docPath);

/*		//Create new Node
		var node = dataSource.getNode(docPath);
		var arrayParams=window.content.listParameters();
		for (i=0; i< arrayParams.length; i++){
			var value=window.content.getParameter(arrayParams[i]);
			//alert(arrayParams[i]+":"+value);
			node.addTarget("http://echo.unibe.ch/digilib/rdf#"+arrayParams[i],value);
		}
		node.addTarget("http://echo.unibe.ch/digilib/rdf#lv","1");
		//Add the node to the Seq
		var seqNode = dataSource.getNode(docPath.substring(0,docPath.lastIndexOf(":")));
		if(seqNode.isContainer()) {
			seqNode.addChild(node);
		} else {
            seqNode.makeSeq();
			seqNode.addChild(node);
		}
*/
		dataSource.save();
		refreshTree();
/*
     var ds=new RDFDataSource();
     ds.parseFromString(rdfString,"http://echo.unibe.ch/digilib/rdf/digilib.rdf");
     var node=ds.getNode(docPath);
     var arrayParams=window.content.listParameters();
     for (i=0; i< arrayParams.length; i++){
        var value=window.content.getParameter(arrayParams[i]);
        //alert(arrayParams[i]+":"+value);
        node.addTarget("http://echo.unibe.ch/digilib/rdf#"+arrayParams[i],value);
     }
     node.addTarget("http://echo.unibe.ch/digilib/rdf#lv","1");
     //alert(ds.serializeToString());
     var nsIFilePicker = Components.interfaces.nsIFilePicker;
     var fp = Components.classes["@mozilla.org/filepicker;1"]
           .createInstance(nsIFilePicker);
     fp.init(window, "Select a File", nsIFilePicker.modeSave);

     // set default direcotry
     var aLocalFile = Components.classes["@mozilla.org/file/local;1"].createInstance(Components.interfaces.nsILocalFile);
     directory=makePathCompatible(directory);
     aLocalFile.initWithPath(directory);
     fp.displayDirectory=aLocalFile;

     fp.appendFilter("Annotations","*.rdf; *.RDF");
     var res=fp.show();
     if (res==nsIFilePicker.returnOK){
       var thefile=fp.file;
       // --- do something with the file here ---
       //alert(fp.file);
       //alert(fp.fileURL.path);

       var strFilePath=fp.file.path;
       strFilePath=strFilePath.toLowerCase();
       if (strFilePath.indexOf('.rdf')<0){
          strFilePath=fp.fileURL.path+".rdf";
       }else{
          strFilePath=fp.fileURL.path;
       }
       strFilePath=makePathCompatible(strFilePath);
       var f=new File(strFilePath);
       //var boolFileExists=f.exists();
       //alert(boolFileExists);
       f.create();
       f.open('w');
       f.write(ds.serializeToString());
       f.close();
       refreshTree();
     }
//*/
  } else{
        alert("Error: no alcatraz component. can't create an annotation.");
  }
}


function file_local(){
  // noch nicht programmiert
}

function file_annotaDB(){
  alert("At the moment it is not possible to use the annota DB! This feature is not yet programmed.");
  var menu_item=document.getElementById('local');
  menu_item.setAttribute('checked','true');
}

function tree_click(){
   var t=document.getElementById("file_tree");    //tree element
   var l=t.view.getItemAtIndex(t.currentIndex);   //aus baum treeitem herausholen mit dem selected index (currentIndex)
                                                  //l.firstChild ist treeitem
   var d=l.firstChild.firstChild;                 //treecell
   var firstLabel=d.getAttribute("label");
   var cols=document.getElementById("cols");
   var col=cols.childNodes;
   var nodes=l.firstChild.childNodes;
   var rdf_file="";
   for (var i=0;i<nodes.length;i++){
      if (col[i].getAttribute("label")=="URL"){
         rdf_file=nodes[i].getAttribute("label");
      }
   }
   if (rdf_file!=""){
     send_annotation(rdf_file);
   }
   alert(rdf_file);
   return rdf_file;  
}


/***
* Diese Funktion wird gebraucht um im Dialog den Pfad zu digilib zu setzen
*
***/
function setDigilibPath(digilibPathValue){
   digilib_path=digilibPathValue;
}

/***
* Dialog tools momentan kann man nur den Pfad zu digilib setzen
*
***/
function show_dialog(dialog){
  if (dialog=="tool path"){
    window.openDialog("tools_dialog.xul","funny dialog",
                  "chrome",digilib_path,setDigilibPath);
  }
}


/***
* Gibt den Inhalt eines Files als String zurueck
*
***/
function readFile(str_Filename){
  var f=new File(str_Filename);
  var str="";
  if (f.isFile()){
    f.open();
    str=f.read();
    f.close();
  } else {
    alert(str_Filename + " is not a file");
  }
  return str;
} 



function send_annotation(rdf_file){
   rdf_file=rdf_file.replace(/^file:\/\//,"");
   rdf_file=makePathCompatible(rdf_file);
   digilib_path="http://pythia2.unibe.ch:8080/docuserver/digitallibrary";
   alert("Send Annotation: "+rdf_file);
   strRdfFile=readFile(rdf_file);
   if (strRdfFile!=""){
     var formid='mainform';
	 alert(digilib_path+"/digilib.jsp");
     var form = createForm(formid, digilib_path+"/digilib.jsp", "post", "_content");
     //var form = createForm(formid, "http://sophia.unibe.ch:8080/examples/servlet/RequestRDF", "post", "_content");
     //var form = createForm(formid, "http://hera.unibe.ch:8080/examples/servlet/RequestRDF", "post", "_content");
     setFormData(form, formid, strRdfFile);
     form.submit();
   }
}

function createForm(formid, action, method, target)
{
     var form = document.getElementById(formid);
     if(form != null)
     document.documentElement.removeChild(form);

     var form = document.createElementNS("http://www.w3.org/1999/xhtml", "form");
     form.setAttribute("id", formid);
     form.setAttribute("action", action);
     form.setAttribute("method", method);
     form.setAttribute("target", target);
     document.documentElement.appendChild(form);
     return form;
}

function setFormData(form, formid, rdf)
{
     var val1 = document.createElementNS("http://www.w3.org/1999/xhtml", "input");
     val1.setAttribute('type', 'hidden');
     val1.setAttribute('name', 'rdf');
     val1.setAttribute('value', rdf);
     form.appendChild(val1); 
}


function getProfileDirectory(){
 // First get the directory service and query interface it to
   // nsIProperties
   var dirService = Components.
       classes['@mozilla.org/file/directory_service;1'].
       getService(Components.interfaces.nsIProperties);
 
   // Next get the "ProfD" property of type nsIFile from the directory
   // service, FYI this constant is defined in
   // mozilla/xpcom/io/nsAppDirectoryServiceDefs.h
 
   const NS_APP_USER_PROFILE_50_DIR = "ProfD";
   profileDir = dirService.get(NS_APP_USER_PROFILE_50_DIR,
        Components.interfaces.nsIFile);
 
   // Now that we have it we can show it's path. See nsIFile for the
   // other things you that can be done with profileDir
   //alert(profileDir.path);
   return profileDir.path;
}

function getProfile(){
   var strProfile=readFile(getProfileDirectory()+slash+"annota.dat");
   if (strProfile==""){
      directory=slash;
      digilib_path="http://hera.unibe.ch:8080/alcatraz";
      setProfile();
   }else{
      var params=strProfile.split("\n");
      for (var i=0;i<params.length;i++){
         var key_value=params[i].split("|");
	 if (key_value[0]=='directory'){
	    directory=key_value[1];
         }
	 if (key_value[0]=='tool path'){
	    digilib_path=key_value[1];
         }
      }
   }
}

function setProfile(){
   var f=new File(getProfileDirectory()+slash+'annota.dat');
   f.create();
   f.open('w');
   f.write('directory|'+directory+'\n'+'tool path|'+digilib_path+'\n');
   f.close();
}

function traverse(node){
   if (node.hasChildNodes){   
      var arr_nodes=node.childNodes;  
      for (var i=0;i<arr_nodes.length;i++){
	 if (arr_nodes[i].getAttribute("open")){
            //alert(arr_nodes[i].getAttribute("open"));
            if (arr_nodes[i].hasChildNodes && arr_nodes[i].firstChild.hasChildNodes){
               alert(arr_nodes[i].firstChild.firstChild.getAttribute("label"));
            }
         }         
         traverse(arr_nodes[i]);  
      }
   }
}

function traverseTree(){
    var t=document.getElementById("file_tree");
    traverse(t);
}


/* @beat: ich habe mich erfrecht, diese billige methode in dein
          javascript zu verschieben, weil ich eigentlich jetzt zu
	  dir gehoert und nicht mehr in ein alcatraz.js (das gar
	  nicht mehr existiert). alcatraz.xul ist nur noch ein 
	  container fuer andere xul-files und hat deshalb auch
	  keine eigenen funktionialitaeten mehr - christian
*/
function dialog_annotate() {
	window.openDialog("chrome://alcatraz/content/dialog_annotate.xul", "dialog_annotate", "chrome,dialog,resizable=no", "");
}