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//----------------------------------------------------------------------------
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// Copyright (C) 2008-2011 The IPython Development Team
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//
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// Distributed under the terms of the BSD License. The full license is in
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// the file COPYING, distributed as part of this software.
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//----------------------------------------------------------------------------
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//============================================================================
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// NotebookList
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//============================================================================
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var IPython = (function (IPython) {
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var NotebookList = function (selector) {
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this.selector = selector;
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if (this.selector !== undefined) {
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this.element = $(selector);
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this.style();
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this.bind_events();
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}
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this.notebooks_list = new Array();
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this.sessions = new Object();
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};
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NotebookList.prototype.baseProjectUrl = function () {
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return $('body').data('baseProjectUrl');
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};
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NotebookList.prototype.notebookPath = function() {
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var path = $('body').data('notebookPath');
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path = decodeURIComponent(path);
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if (path != "") {
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if (path[path.length-1] != '/') {
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path = path.substring(0,path.length);
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};
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return path;
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} else {
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return path;
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};
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};
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NotebookList.prototype.url_name = function(name){
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return encodeURIComponent(name);
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};
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NotebookList.prototype.style = function () {
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$('#notebook_toolbar').addClass('list_toolbar');
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$('#drag_info').addClass('toolbar_info');
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$('#notebook_buttons').addClass('toolbar_buttons');
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$('#notebook_list_header').addClass('list_header');
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this.element.addClass("list_container");
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};
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NotebookList.prototype.bind_events = function () {
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var that = this;
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$('#refresh_notebook_list').click(function () {
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that.load_list();
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});
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this.element.bind('dragover', function () {
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return false;
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});
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this.element.bind('drop', function(event){
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that.handelFilesUpload(event,'drop');
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return false;
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});
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};
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NotebookList.prototype.handelFilesUpload = function(event, dropOrForm) {
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var that = this;
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var files;
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if(dropOrForm =='drop'){
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files = event.originalEvent.dataTransfer.files;
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} else
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{
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files = event.originalEvent.target.files
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}
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for (var i = 0, f; f = files[i]; i++) {
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var reader = new FileReader();
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reader.readAsText(f);
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var fname = f.name.split('.');
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var nbname = fname.slice(0,-1).join('.');
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var nbformat = fname.slice(-1)[0];
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if (nbformat === 'ipynb') {nbformat = 'json';};
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if (nbformat === 'py' || nbformat === 'json') {
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var item = that.new_notebook_item(0);
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that.add_name_input(nbname, item);
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item.data('nbformat', nbformat);
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// Store the notebook item in the reader so we can use it later
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// to know which item it belongs to.
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$(reader).data('item', item);
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reader.onload = function (event) {
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var nbitem = $(event.target).data('item');
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that.add_notebook_data(event.target.result, nbitem);
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that.add_upload_button(nbitem);
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};
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};
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}
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return false;
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};
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NotebookList.prototype.clear_list = function () {
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this.element.children('.list_item').remove();
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};
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NotebookList.prototype.load_sessions = function(){
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var that = this;
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var settings = {
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processData : false,
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cache : false,
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type : "GET",
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dataType : "json",
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success : $.proxy(that.sessions_loaded, this)
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};
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var url = this.baseProjectUrl() + 'api/sessions';
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$.ajax(url,settings);
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};
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NotebookList.prototype.sessions_loaded = function(data){
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this.sessions = new Object();
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var len = data.length;
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if (len != 0) {
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for (var i=0; i<len; i++) {
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if (data[i]['path']==null) {
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nb_path = data[i]['name'];
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}
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else {
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nb_path = data[i]['path'] + data[i]['name'];
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}
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this.sessions[nb_path]= data[i]['id'];
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}
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};
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this.load_list();
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};
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NotebookList.prototype.load_list = function () {
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var that = this;
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var settings = {
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processData : false,
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cache : false,
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type : "GET",
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dataType : "json",
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success : $.proxy(this.list_loaded, this),
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error : $.proxy( function(){
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that.list_loaded([], null, null, {msg:"Error connecting to server."});
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},this)
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};
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var url = this.baseProjectUrl() + 'api/notebooks/' + this.notebookPath();
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$.ajax(url, settings);
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};
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NotebookList.prototype.list_loaded = function (data, status, xhr, param) {
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var message = 'Notebook list empty.';
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if (param !== undefined && param.msg) {
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var message = param.msg;
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}
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var len = data.length;
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this.clear_list();
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if(len == 0)
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{
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$(this.new_notebook_item(0))
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.append(
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$('<div style="margin:auto;text-align:center;color:grey"/>')
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.text(message)
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)
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}
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for (var i=0; i<len; i++) {
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var name = data[i].name;
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var path = this.notebookPath();
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var nbname = name.split(".")[0];
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var item = this.new_notebook_item(i);
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this.add_link(path, nbname, item);
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name = this.notebookPath() + name;
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if(this.sessions[name] == undefined){
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this.add_delete_button(item);
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} else {
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this.add_shutdown_button(item,this.sessions[name]);
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}
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};
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};
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NotebookList.prototype.new_notebook_item = function (index) {
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var item = $('<div/>').addClass("list_item").addClass("row-fluid");
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// item.addClass('list_item ui-widget ui-widget-content ui-helper-clearfix');
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// item.css('border-top-style','none');
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item.append($("<div/>").addClass("span12").append(
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$("<a/>").addClass("item_link").append(
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$("<span/>").addClass("item_name")
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)
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).append(
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$('<div/>').addClass("item_buttons btn-group pull-right")
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));
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if (index === -1) {
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this.element.append(item);
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} else {
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this.element.children().eq(index).after(item);
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}
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return item;
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};
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NotebookList.prototype.add_link = function (path, nbname, item) {
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item.data('nbname', nbname);
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item.data('path', path);
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item.find(".item_name").text(nbname);
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item.find("a.item_link")
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.attr('href', this.baseProjectUrl() + "notebooks/" + this.notebookPath() + nbname + ".ipynb")
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.attr('target','_blank');
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};
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NotebookList.prototype.add_name_input = function (nbname, item) {
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item.data('nbname', nbname);
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item.find(".item_name").empty().append(
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$('<input/>')
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.addClass("nbname_input")
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.attr('value', nbname)
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.attr('size', '30')
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.attr('type', 'text')
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);
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};
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NotebookList.prototype.add_notebook_data = function (data, item) {
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item.data('nbdata',data);
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};
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NotebookList.prototype.add_shutdown_button = function (item, session) {
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var that = this;
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var shutdown_button = $("<button/>").text("Shutdown").addClass("btn btn-mini").
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click(function (e) {
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var settings = {
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processData : false,
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cache : false,
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type : "DELETE",
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dataType : "json",
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success : function () {
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that.load_sessions();
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}
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};
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var url = that.baseProjectUrl() + 'api/sessions/' + session;
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$.ajax(url, settings);
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return false;
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});
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// var new_buttons = item.find('a'); // shutdown_button;
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item.find(".item_buttons").html("").append(shutdown_button);
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};
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NotebookList.prototype.add_delete_button = function (item) {
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var new_buttons = $('<span/>').addClass("btn-group pull-right");
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var notebooklist = this;
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var delete_button = $("<button/>").text("Delete").addClass("btn btn-mini").
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click(function (e) {
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// $(this) is the button that was clicked.
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var that = $(this);
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// We use the nbname and notebook_id from the parent notebook_item element's
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// data because the outer scopes values change as we iterate through the loop.
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var parent_item = that.parents('div.list_item');
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var nbname = parent_item.data('nbname');
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var message = 'Are you sure you want to permanently delete the notebook: ' + nbname + '?';
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IPython.dialog.modal({
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title : "Delete notebook",
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body : message,
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buttons : {
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Delete : {
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class: "btn-danger",
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click: function() {
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var settings = {
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processData : false,
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cache : false,
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type : "DELETE",
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dataType : "json",
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success : function (data, status, xhr) {
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parent_item.remove();
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}
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};
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var url = notebooklist.baseProjectUrl() + 'api/notebooks/' + notebooklist.notebookPath() + nbname + '.ipynb';
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$.ajax(url, settings);
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}
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},
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Cancel : {}
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}
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});
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return false;
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});
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item.find(".item_buttons").html("").append(delete_button);
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};
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NotebookList.prototype.add_upload_button = function (item) {
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var that = this;
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var upload_button = $('<button/>').text("Upload")
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.addClass('btn btn-primary btn-mini upload_button')
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.click(function (e) {
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var nbname = item.find('.item_name > input').attr('value');
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var nbformat = item.data('nbformat');
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var nbdata = item.data('nbdata');
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var content_type = 'text/plain';
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if (nbformat === 'json') {
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content_type = 'application/json';
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} else if (nbformat === 'py') {
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content_type = 'application/x-python';
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};
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var settings = {
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processData : false,
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cache : false,
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type : 'POST',
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dataType : 'json',
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data : nbdata,
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headers : {'Content-Type': content_type},
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success : function (data, status, xhr) {
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that.add_link(data, nbname, item);
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that.add_delete_button(item);
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}
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};
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var qs = $.param({name:nbname, format:nbformat});
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var url = that.baseProjectUrl() + 'notebooks?' + qs;
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$.ajax(url, settings);
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return false;
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});
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var cancel_button = $('<button/>').text("Cancel")
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.addClass("btn btn-mini")
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.click(function (e) {
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console.log('cancel click');
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item.remove();
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return false;
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});
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item.find(".item_buttons").empty()
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.append(upload_button)
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.append(cancel_button);
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};
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IPython.NotebookList = NotebookList;
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return IPython;
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}(IPython));
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