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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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};
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NotebookList.prototype.baseProjectUrl = function () {
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return $('body').data('baseProjectUrl')
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};
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NotebookList.prototype.style = function () {
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$('#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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$('div#project_name').addClass('list_header ui-widget ui-widget-header');
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$('#refresh_notebook_list').button({
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icons : {primary: 'ui-icon-arrowrefresh-1-s'},
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text : false
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});
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};
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NotebookList.prototype.bind_events = function () {
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if (IPython.read_only){
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return;
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}
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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_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 : $.proxy( function(){
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that.list_loaded([], null, null, {msg:"Error connecting to server."});
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},this)
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};
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var url = this.baseProjectUrl() + 'notebooks';
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$.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 notebook_id = data[i].notebook_id;
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var nbname = data[i].name;
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var kernel = data[i].kernel_id;
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var item = this.new_notebook_item(i);
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this.add_link(notebook_id, nbname, item);
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if (!IPython.read_only){
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// hide delete buttons when readonly
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if(kernel == null){
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this.add_delete_button(item);
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} else {
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this.add_shutdown_button(item,kernel);
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}
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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/>');
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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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var item_name = $('<span/>').addClass('item_name');
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item.append(item_name);
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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 (notebook_id, nbname, item) {
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item.data('nbname', nbname);
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item.data('notebook_id', notebook_id);
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var new_item_name = $('<span/>').addClass('item_name');
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new_item_name.append(
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$('<a/>').
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attr('href', this.baseProjectUrl()+notebook_id).
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attr('target','_blank').
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text(nbname)
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);
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var e = item.find('.item_name');
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if (e.length === 0) {
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item.append(new_item_name);
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} else {
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e.replaceWith(new_item_name);
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};
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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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var new_item_name = $('<span/>').addClass('item_name');
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new_item_name.append(
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$('<input/>').addClass('ui-widget ui-widget-content').
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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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var e = item.find('.item_name');
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if (e.length === 0) {
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item.append(new_item_name);
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} else {
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e.replaceWith(new_item_name);
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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,kernel) {
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var new_buttons = $('<span/>').addClass('item_buttons');
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var that = this;
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var shutdown_button = $('<button>Shutdown</button>').button().
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click(function (e) {
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var settings = {
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processData : false,
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cache : false,
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type : "DELETE",
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dataType : "json",
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success : function (data, status, xhr) {
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that.load_list();
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}
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};
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var url = that.baseProjectUrl() + 'kernels/'+kernel;
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$.ajax(url, settings);
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});
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new_buttons.append(shutdown_button);
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var e = item.find('.item_buttons');
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if (e.length === 0) {
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item.append(new_buttons);
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} else {
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e.replaceWith(new_buttons);
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};
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};
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NotebookList.prototype.add_delete_button = function (item) {
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var new_buttons = $('<span/>').addClass('item_buttons');
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var notebooklist = this;
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var delete_button = $('<button>Delete</button>').button().
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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 notebook_id = parent_item.data('notebook_id');
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var dialog = $('<div/>');
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dialog.html('Are you sure you want to permanently delete the notebook: ' + nbname + '?');
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parent_item.append(dialog);
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dialog.dialog({
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resizable: false,
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modal: true,
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title: "Delete notebook",
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buttons : {
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"Delete": function () {
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var settings = {
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processData : false,
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cache : false,
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type : "DELETE",
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dataType : "json",
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success : function (data, status, xhr) {
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parent_item.remove();
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}
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};
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var url = notebooklist.baseProjectUrl() + 'notebooks/' + notebook_id;
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$.ajax(url, settings);
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$(this).dialog('close');
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},
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"Cancel": function () {
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$(this).dialog('close');
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}
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}
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});
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});
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new_buttons.append(delete_button);
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var e = item.find('.item_buttons');
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if (e.length === 0) {
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item.append(new_buttons);
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} else {
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e.replaceWith(new_buttons);
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};
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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 new_buttons = $('<span/>').addClass('item_buttons');
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var upload_button = $('<button>Upload</button>').button().
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addClass('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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});
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var cancel_button = $('<button>Cancel</button>').button().
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click(function (e) {
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item.remove();
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});
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upload_button.addClass('upload_button');
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new_buttons.append(upload_button).append(cancel_button);
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var e = item.find('.item_buttons');
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if (e.length === 0) {
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item.append(new_buttons);
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} else {
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e.replaceWith(new_buttons);
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};
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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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