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//funzione che definisce tutti gli elementi responsabili dell'apertura di un file.
//Sono definiti quindi l'albero e il bottone per l'importazione da locale
function setImportFile(){
//genero e leggo il contenuto della directory "filesystem"
var jsonResponse: any;
var xmlListingFile: any = new XMLHttpRequest();
xmlListingFile.open("GET", "https://baltig.infn.it/api/v4/projects/819/repository/tree?recursive=1&path=XRF-File-System", false);
xmlListingFile.onreadystatechange = function(){
if(xmlListingFile.readyState === 4){
if(xmlListingFile.status === 200){
jsonResponse = JSON.parse(xmlListingFile.responseText);
}
}
}
xmlListingFile.send(null);
//ora genero l'albero e definisco l'evento in caso di selezione di un nodo
$('#FileTreeview').treeview({data: generateTree(jsonResponse)});
$('#FileTreeview').on('nodeSelected', function(e, node){
if(node['url'] != undefined){
openFileFromServer(node['url']);
}
});
//bottone per l'importazione locale
var fileInputButton: any = document.getElementById('myImport');
fileInputButton.onchange = function(){
var fileName: string = fileInputButton.files[0];
var readerObject: any = new FileReader();
readerObject.readAsBinaryString(fileName);
readerObject.onload = function() {
var fileString: string = readerObject.result;
readData(fileString);
}
}
}
//funzione che genera automaticamente l'albero
function generateTree(jsonDoc){
var tree: any = [ {
text:"XRF-File-System",
nodes: [ ]
}];
//scorro ogni elemento dell'albero
for (var i: number = 0; i < jsonDoc.length; i++) {
if(jsonDoc[i].type == "tree"){ //è una cartella
var Folder = { //definisco l'oggetto Folder
text: jsonDoc[i].name,
relativePath: jsonDoc[i].path,
nodes: []
}
insertOBJinFS(Folder, tree);
} else { //è un file
var File = { //definisco l'oggetto File
text: jsonDoc[i].name,
relativePath: jsonDoc[i].path,
icon: "glyphicon glyphicon-file",
selectedIcon: "glyphicon glyphicon-file",
url: jsonDoc[i].path
}
//inserisco il file nella giusta posizione
insertOBJinFS(File, tree);
}
}
return tree;
}
//funzione che posiziona l'oggetto passato in input nell'albero
function insertOBJinFS(objfs, tree){
//tree[0].nodes.push(objfs);
var parentPath: string = objfs.relativePath.slice(0, objfs.relativePath.lastIndexOf("/"));
//se l'oggetto è figlio della radice lo colloco subito
if(parentPath == tree[0].text){
tree[0].nodes.push(objfs);
} else {
//ricavo la profondità e posiziono l'oggetto
var splitPath: string[] = parentPath.split("/");
var depth: number = splitPath.length;
switch(depth){
case 2:
var partialParentPath: string = splitPath[0]+"/"+splitPath[1];
for (var i: number = 0; i < tree[0].nodes.length; i++){
if(partialParentPath == tree[0].nodes[i].relativePath){
tree[0].nodes[i].nodes.push(objfs);
break;
}
}
break;
case 3:
var partialParentPath: string = splitPath[0]+"/"+splitPath[1];
for (var i: number = 0; i < tree[0].nodes.length; i++){
if(partialParentPath == tree[0].nodes[i].relativePath){
partialParentPath = splitPath[0]+"/"+splitPath[1]+"/"+splitPath[2];
for (var j: number = 0; j < tree[0].nodes[i].nodes.length; j++){
if(partialParentPath == tree[0].nodes[i].nodes[j].relativePath){
tree[0].nodes[i].nodes[j].nodes.push(objfs);
break;
}
}
break;
}
}
break;
case 4:
var partialParentPath: string = splitPath[0]+"/"+splitPath[1];
for (var i: number = 0; i < tree[0].nodes.length; i++){
if(partialParentPath == tree[0].nodes[i].relativePath){
partialParentPath = splitPath[0]+"/"+splitPath[1]+"/"+splitPath[2];
for (var j: number = 0; j < tree[0].nodes[i].nodes.length; j++){
if(partialParentPath == tree[0].nodes[i].nodes[j].relativePath){
partialParentPath = splitPath[0]+"/"+splitPath[1]+"/"+splitPath[2]+"/"+splitPath[3];
for (var k: number = 0; k < tree[0].nodes[i].nodes[j].nodes.length; k++){
if(partialParentPath == tree[0].nodes[i].nodes[j].nodes[k].relativePath){
tree[0].nodes[i].nodes[j].nodes[k].nodes.push(objfs);
break;
}
}
break;
}
}
break;
}
}
break;
case 5:
var partialParentPath: string = splitPath[0]+"/"+splitPath[1];
for (var i: number = 0; i < tree[0].nodes.length; i++){
if(partialParentPath == tree[0].nodes[i].relativePath){
partialParentPath = splitPath[0]+"/"+splitPath[1]+"/"+splitPath[2];
for (var j: number = 0; j < tree[0].nodes[i].nodes.length; j++){
if(partialParentPath == tree[0].nodes[i].nodes[j].relativePath){
partialParentPath = splitPath[0]+"/"+splitPath[1]+"/"+splitPath[2]+"/"+splitPath[3];
for (var k: number = 0; k < tree[0].nodes[i].nodes[j].nodes.length; k++){
if(partialParentPath == tree[0].nodes[i].nodes[j].nodes[k].relativePath){
partialParentPath = splitPath[0]+"/"+splitPath[1]+"/"+splitPath[2]+"/"+splitPath[3]+"/"+splitPath[4];
for (var l: number = 0; l < tree[0].nodes[i].nodes[j].nodes[k].nodes.length; l++){
if(partialParentPath == tree[0].nodes[i].nodes[j].nodes[k].nodes[l].relativePath){
tree[0].nodes[i].nodes[j].nodes[k].nodes[l].nodes.push(objfs);
break;
}
}
break;
}
}
break;
}
}
break;
}
}
break;
}
}
}
//funzione che dato l'url di un file, lo apre e lo legge passandone il contenuto
//alla funzione readData(). Questa funzione è invocata quando viene selezionato
//un file dall'albero
function openFileFromServer(url){
console.log("Try to open " + url.slice(url.lastIndexOf("/")+1, url.length));
url = "https://baltig.infn.it/api/v4/projects/819/repository/files/" + encodeURIComponent(url) + "?ref=master";
var jsonContentFile: any = new XMLHttpRequest();
jsonContentFile.open("GET", url, false);
jsonContentFile.onreadystatechange = function(){
if(jsonContentFile.readyState === 4){
if(jsonContentFile.status === 200){
var jsonResponse: string = jsonContentFile.responseText;
var startPoint: number = jsonResponse.indexOf("content") + 10;
var endPoint: number = jsonResponse.indexOf("\", :ref");
readData(atob(jsonResponse.slice(startPoint, endPoint)));
}
}
}
jsonContentFile.send(null);
}