// Copyright (c) Jupyter Development Team.
// Distributed under the terms of the Modified BSD License.
define([
'jquery',
'base/js/namespace',
'base/js/utils',
'base/js/i18n',
'base/js/dialog',
'base/js/events',
'base/js/keyboard',
'moment',
'bidi/bidi',
'components/marked/lib/marked'
], function($, IPython, utils, i18n, dialog, events, keyboard, moment, bidi, marked) {
"use strict";
var extension = function(path){
/**
* return the last pat after the dot in a filepath
* or the filepath itself if no dots present.
* Empty string if the filepath ends with a dot.
**/
var parts = path.split('.');
return parts[parts.length-1];
};
var item_in = function(item, list) {
// Normalize list and item to lowercase
var normalized_list = list.map(function(_item) {
return _item.toLowerCase();
});
return normalized_list.indexOf(item.toLowerCase()) !== -1;
};
var includes_extension = function(filepath, extensionslist) {
return item_in(extension(filepath), extensionslist);
};
function name_sorter(ascending) {
return (function(a, b) {
if (type_order[a['type']] < type_order[b['type']]) {
return -1;
}
if (type_order[a['type']] > type_order[b['type']]) {
return 1;
}
if (a['name'].toLowerCase() < b['name'].toLowerCase()) {
return (ascending) ? -1 : 1;
}
if (a['name'].toLowerCase() > b['name'].toLowerCase()) {
return (ascending) ? 1 : -1;
}
return 0;
});
}
function modified_sorter(ascending) {
var order = ascending ? 1 : 0;
return (function(a, b) {
return utils.datetime_sort_helper(a.last_modified, b.last_modified,
order)
});
}
function size_sorter(ascending) {
var order = ascending ? 1 : 0;
// directories have file size of undefined
return (function(a, b) {
if (a.size === undefined) {
return (ascending) ? -1 : 1;
}
if (b.size === undefined) {
return (ascending) ? 1 : -1;
}
if (a.size > b.size) {
return (ascending) ? -1 : 1;
}
if (b.size > a.size) {
return (ascending) ? 1 : -1;
}
return 0;
});
}
var sort_functions = {
'sort-name': name_sorter,
'last-modified': modified_sorter,
'file-size': size_sorter
};
var NotebookList = function (selector, options) {
/**
* Constructor
*
* Parameters:
* selector: string
* options: dictionary
* Dictionary of keyword arguments.
* session_list: SessionList instance
* element_name: string
* base_url: string
* notebook_path: string
* contents: Contents instance
*/
var that = this;
this.session_list = options.session_list;
this.events = this.session_list.events;
// allow code re-use by just changing element_name in kernellist.js
this.element_name = options.element_name || 'notebook';
this.selector = selector;
if (this.selector !== undefined) {
this.element = $(selector);
this.style();
this.bind_events();
}
this.notebooks_list = [];
this.sessions = {};
this.base_url = options.base_url || utils.get_body_data("baseUrl");
this.notebook_path = options.notebook_path || utils.get_body_data("notebookPath");
this.initial_notebook_path = this.notebook_path;
this.contents = options.contents;
if (this.session_list && this.session_list.events) {
this.session_list.events.on('sessions_loaded.Dashboard',
function(e, d) { that.sessions_loaded(d); });
}
this.selected = [];
this.sort_function = name_sorter(1);
// 0 => descending, 1 => ascending
this.sort_id = 'sort-name';
this.sort_direction = 1;
this._max_upload_size_mb = 25;
this.EDIT_MIMETYPES = [
'application/javascript',
'application/x-sh',
'application/vnd.groove-tool-template'
];
};
NotebookList.prototype.style = function () {
var prefix = '#' + this.element_name;
$(prefix + '_toolbar').addClass('list_toolbar');
$(prefix + '_list_info').addClass('toolbar_info');
$(prefix + '_buttons').addClass('toolbar_buttons');
$(prefix + '_list_header').addClass('list_header');
this.element.addClass("list_container");
};
NotebookList.prototype.bind_events = function () {
var that = this;
$('#refresh_' + this.element_name + '_list').click(function () {
that.load_sessions();
});
this.element.bind('dragover', function () {
return false;
});
this.element.bind('drop', function(event){
that.handleFilesUpload(event,'drop');
return false;
});
// Bind events for singleton controls.
if (!NotebookList._bound_singletons) {
NotebookList._bound_singletons = true;
$('#new-file').click(function(e) {
var w = window.open('', IPython._target);
that.contents.new_untitled(that.notebook_path || '', {type: 'file', ext: '.txt'}).then(function(data) {
w.location = utils.url_path_join(
that.base_url, 'edit',
utils.encode_uri_components(data.path)
);
}).catch(function (e) {
w.close();
dialog.modal({
title: i18n.msg._('Creating File Failed'),
body: $('')
.text(i18n.msg._("An error occurred while creating a new file."))
.append($('')
.addClass('alert alert-danger')
.text(e.message || e)),
buttons: {
OK: {'class': 'btn-primary'}
}
});
console.warn('Error during New file creation', e);
});
that.load_sessions();
e.preventDefault();
});
$('#new-folder').click(function(e) {
that.contents.new_untitled(that.notebook_path || '', {type: 'directory'})
.then(function(){
that.load_list();
}).catch(function (e) {
dialog.modal({
title: i18n.msg._('Creating Folder Failed'),
body: $('')
.text(i18n.msg._("An error occurred while creating a new folder."))
.append($('')
.addClass('alert alert-danger')
.text(e.message || e)),
buttons: {
OK: {'class': 'btn-primary'}
}
});
console.warn('Error during New directory creation', e);
});
that.load_sessions();
e.preventDefault();
});
// Bind events for action buttons.
$('.rename-button').click($.proxy(this.rename_selected, this));
$('.move-button').click($.proxy(this.move_selected, this));
$('.download-button').click($.proxy(this.download_selected, this));
$('.shutdown-button').click($.proxy(this.shutdown_selected, this));
$('.duplicate-button').click($.proxy(this.duplicate_selected, this));
$('.view-button').click($.proxy(this.view_selected, this));
$('.edit-button').click($.proxy(this.edit_selected, this));
$('.delete-button').click($.proxy(this.delete_selected, this));
// Bind events for selection menu buttons.
$('#selector-menu').click(function (event) {
that.select($(event.target).attr('id'));
});
var select_all = $('#select-all');
select_all.change(function () {
if (!select_all.prop('checked') || select_all.data('indeterminate')) {
that.select('select-none');
} else {
that.select('select-all');
}
});
$('#button-select-all').click(function (e) {
// toggle checkbox if the click doesn't come from the checkbox already
if (!$(e.target).is('input[type=checkbox]')) {
if (select_all.prop('checked') || select_all.data('indeterminate')) {
that.select('select-none');
} else {
that.select('select-all');
}
}
});
$('.sort-action').click(function(e) {
var sort_on = e.target.id;
// Clear sort indications in UI
$(".sort-action i").removeClass("fa-arrow-up").removeClass("fa-arrow-down");
if ((that.sort_id === sort_on) && (that.sort_direction === 1)) {
that.sort_list(sort_on, 0);
$("#" + sort_on + " i").addClass("fa-arrow-up");
that.sort_direction = 0;
} else {
that.sort_list(sort_on, 1);
$("#" + sort_on + " i").addClass("fa-arrow-down");
that.sort_direction = 1;
}
that.sort_id = sort_on;
});
}
};
NotebookList.prototype.sort_list = function(id, order) {
if (sort_functions.hasOwnProperty(id)) {
this.sort_function = sort_functions[id](order);
this.draw_notebook_list(this.model_list, this.error_msg);
} else {
console.error("No such sort id: '" + id + "'")
}
};
NotebookList.prototype.handleFilesUpload = function(event, dropOrForm) {
var that = this;
var files;
if(dropOrForm === 'drop'){
files = event.originalEvent.dataTransfer.files;
} else {
files = event.originalEvent.target.files;
}
var reader_onload = function (event) {
var item = $(event.target).data('item');
that.add_file_data(event.target.result, item);
that.add_upload_button(item);
};
var reader_onerror = function (event) {
var item = $(event.target).data('item');
var name = item.data('name');
item.remove();
dialog.modal({
title : i18n.msg._('Failed to read file'),
body : i18n.msg.sprintf(i18n.msg._("Failed to read file %s"),name),
buttons : {'OK' : { 'class' : 'btn-primary' }}
});
};
Array.from(files).forEach(function(f) {
var name_and_ext = utils.splitext(f.name);
var file_ext = name_and_ext[1];
if (f.size > that._max_upload_size_mb * 1024 * 1024) {
var body_msg = i18n.msg.sprintf(i18n.msg._("The file size is %d MB. Do you still want to upload it?"),
Math.round(f.size / (1024 * 1024)));
dialog.modal({
title : i18n.msg._('Large file size warning'),
body : body_msg,
buttons : {
Cancel: {},
Ok: {
class: "btn-primary",
click: function() {
that.add_large_file_upload_button(f);
}
}
}
});
}
else{
var reader = new FileReader();
if (file_ext === '.ipynb') {
reader.readAsText(f);
} else {
// read non-notebook files as binary
reader.readAsArrayBuffer(f);
}
var item = that.new_item(0, true);
item.addClass('new-file');
that.add_name_input(f.name, item, file_ext === '.ipynb' ? 'notebook' : 'file');
// Store the list item in the reader so we can use it later
// to know which item it belongs to.
$(reader).data('item', item);
reader.onload = reader_onload;
reader.onerror = reader_onerror;
}
});
// Clear fileinput value. This is required to
// reset the form. Otherwise, if you upload a file, delete it and try to
// upload it again, the changed event won't fire.
var form = $('input.fileinput');
form.val('');
return false;
};
NotebookList.prototype.clear_list = function (remove_uploads) {
/**
* Clears the navigation tree.
*
* Parameters
* remove_uploads: bool=False
* Should upload prompts also be removed from the tree.
*/
if (remove_uploads) {
this.element.children('.list_item').remove();
} else {
this.element.children('.list_item:not(.new-file)').remove();
}
};
NotebookList.prototype.load_sessions = function(){
this.session_list.load_sessions();
};
NotebookList.prototype.sessions_loaded = function(data){
this.sessions = data;
this.load_list();
};
NotebookList.prototype.load_list = function () {
var that = this;
// Add an event handler browser back and forward events
window.onpopstate = function(e) {
var path = (window.history.state && window.history.state.path) ?
window.history.state.path : that.initial_notebook_path;
that.update_location(path);
};
var breadcrumb = $('.breadcrumb');
breadcrumb.empty();
var list_item = $('');
var root_url = utils.url_path_join(that.base_url, '/tree');
var root = $('').append(
$("")
.attr('href', root_url)
.attr('title', i18n.msg._('Link to root folder'))
.append(
$("")
.addClass('fa fa-folder')
)
.click(function(e) {
// Allow the default browser action when the user holds a modifier (e.g., Ctrl-Click)
if(e.altKey || e.metaKey || e.shiftKey) {
return true;
}
var path = '';
window.history.pushState(
{path: path},
'Home',
utils.url_path_join(that.base_url, 'tree')
);
that.update_location(path);
return false;
})
);
breadcrumb.append(root);
var path_parts = [];
this.notebook_path.split('/').forEach(function(path_part) {
path_parts.push(path_part);
var path = path_parts.join('/');
var url = utils.url_path_join(
that.base_url,
'/tree',
utils.encode_uri_components(path)
);
var crumb = $('').append(
$('')
.attr('href', url)
.text(path_part)
.click(function(e) {
// Allow the default browser action when the user holds a modifier (e.g., Ctrl-Click)
if(e.altKey || e.metaKey || e.shiftKey) {
return true;
}
window.history.pushState(
{path: path},
path,
url
);
that.update_location(path);
return false;
})
);
breadcrumb.append(crumb);
});
this.contents.list_contents(that.notebook_path).then(
$.proxy(this.draw_notebook_list, this),
function(error) {
that.draw_notebook_list({content: []}, i18n.msg._("Server error: ") + error.message);
}
);
};
NotebookList.prototype.update_location = function (path) {
this.notebook_path = path;
$('body').attr('data-notebook-path', path);
// Update the file tree list without reloading the page
this.load_list();
// Update the page title so the browser tab reflects it
// Match how the title appears with a trailing slash or
// "Home" if the page loads from the server.
$('title').text(path ? path+'/' : i18n.msg._("Home"));
};
/**
* Draw the list of notebooks
* @method draw_notebook_list
* @param {Array} list An array of dictionaries representing files or
* directories.
* @param {String} error_msg An error message
*/
var type_order = {'directory':0,'notebook':1,'file':2};
NotebookList.prototype.draw_notebook_list = function (list, error_msg) {
// Remember what was selected before the refresh.
var selected_before = this.selected;
// Store the data to be redrawn by sorting
this.model_list = list;
this.error_msg = error_msg;
list.content.sort(this.sort_function);
var message = error_msg || i18n.msg._('The notebook list is empty.');
var item = null;
var model = null;
var len = list.content.length;
this.clear_list();
var n_uploads = this.element.children('.list_item').length;
if (len === 0) {
item = this.new_item(0);
var span12 = item.children().first();
span12.empty();
span12.append($('').text(message));
}
var path = this.notebook_path;
var offset = n_uploads;
if (path !== '') {
item = this.new_item(offset, false);
model = {
type: 'directory',
name: '..',
path: utils.url_path_split(path)[0]
};
this.add_link(model, item);
offset += 1;
}
for (var i=0; i').innerHTML = marked(data.content));
},
function(error) {
span12.append(i18n.msg._("Server error: ") + error.message);
});
};
var f = list.content.find(function (el) {return el.name == "header.md"})
if (f !== undefined) {
create_markdown_row(0, f)
}
var f = list.content.find(function (el) {return el.name == "footer.md"})
if (f !== undefined) {
create_markdown_row(-1, f)
}
}
/**
* Creates a new item.
* @param {integer} index
* @param {boolean} [selectable] - tristate, undefined: don't draw checkbox,
* false: don't draw checkbox but pad
* where it should be, true: draw checkbox.
* @return {JQuery} row
*/
NotebookList.prototype.new_item = function (index, selectable) {
var row = $('')
.addClass("list_item")
.addClass("row");
var item = $("")
.addClass("col-md-12")
.appendTo(row);
var checkbox;
if (selectable !== undefined) {
checkbox = $('')
.attr('type', 'checkbox')
.attr('title', i18n.msg._('Click here to rename, delete, etc.'))
.appendTo(item);
}
$('')
.addClass('item_icon')
.appendTo(item);
var link = $("")
.addClass("item_link")
.appendTo(item);
$("")
.addClass("item_name")
.appendTo(link);
var div = $('')
.addClass('pull-right')
.appendTo(item);
var buttons = $('')
.addClass("item_buttons pull-left")
.appendTo(div);
var div2 = $('')
.addClass('pull-right')
.appendTo(div);
$("")
.addClass("item_modified")
.addClass("pull-left")
.appendTo(div2);
$("")
.addClass("file_size")
.addClass("pull-right")
.appendTo(div2);
if (selectable === false) {
checkbox.css('visibility', 'hidden');
} else if (selectable === true) {
var that = this;
row.click(function(e) {
// toggle checkbox only if the click doesn't come from the checkbox or the link
if (!$(e.target).is('span[class=item_name]') && !$(e.target).is('input[type=checkbox]')) {
checkbox.prop('checked', !checkbox.prop('checked'));
}
that._selection_changed();
});
}
$('')
.addClass('running-indicator')
.text(i18n.msg._('Running'))
.css('visibility', 'hidden')
.appendTo(buttons);
if (index === -1) {
this.element.append(row);
} else {
this.element.children().eq(index).after(row);
}
return row;
};
NotebookList.icons = {
directory: 'folder_icon',
notebook: 'notebook_icon',
file: 'file_icon'
};
NotebookList.uri_prefixes = {
directory: 'tree',
notebook: 'notebooks',
file: 'edit'
};
/**
* Select all items in the tree of specified type.
* selection_type : string among "select-all", "select-folders", "select-notebooks", "select-running-notebooks", "select-files"
* any other string (like "select-none") deselects all items
*/
NotebookList.prototype.select = function(selection_type) {
var that = this;
$('.list_item').each(function(index, item) {
var item_type = $(item).data('type');
var state = false;
state = state || (selection_type === "select-all");
state = state || (selection_type === "select-folders" && item_type === 'directory');
state = state || (selection_type === "select-notebooks" && item_type === 'notebook');
state = state || (selection_type === "select-running-notebooks" && item_type === 'notebook' && that.sessions[$(item).data('path')] !== undefined);
state = state || (selection_type === "select-files" && item_type === 'file');
$(item).find('input[type=checkbox]').prop('checked', state);
});
this._selection_changed();
};
NotebookList.prototype._is_notebook = function(model) {
var ipynb_extensions = ['ipynb'];
return includes_extension(model.path, ipynb_extensions);
};
NotebookList.prototype._is_editable = function(model) {
// Allow any file to be "edited"
// Non-text files will display the following error:
// Error: [FILE] is not UTF-8 encoded
// Saving is disabled.
// See Console for more details.
return true;
};
NotebookList.prototype._is_viewable = function(model) {
var html_types = ['htm', 'html', 'xhtml', 'xml', 'mht', 'mhtml'];
var media_extension = ['3gp', 'avi', 'mov', 'mp4', 'm4v', 'm4a', 'mp3', 'mkv', 'ogv', 'ogm', 'ogg', 'oga', 'webm', 'wav'];
var image_type = ['bmp', 'gif', 'jpg', 'jpeg', 'png', 'webp'];
var other_type = ['ico'];
var viewable_extensions = [].concat(html_types, media_extension, image_type, other_type);
return model.mimetype === 'text/html'
|| includes_extension(model.path, viewable_extensions);
};
// Files like PDF that should be opened using `/files` prefix
NotebookList.prototype._is_pdflike = function(model) {
var pdflike_extensions = ['pdf'];
return includes_extension(model.path, pdflike_extensions);
};
/**
* Handles when any row selector checkbox is toggled.
*/
NotebookList.prototype._selection_changed = function() {
// Use a JQuery selector to find each row with a checked checkbox. If
// we decide to add more checkboxes in the future, this code will need
// to be changed to distinguish which checkbox is the row selector.
var that = this;
var selected = [];
var has_running_notebook = false;
var has_directory = false;
var has_file = false;
var checked = 0;
$('.list_item :checked').each(function(index, item) {
var parent = $(item).parent().parent();
// If the item doesn't have an upload button, isn't the
// breadcrumbs and isn't the parent folder '..', then it can be selected.
// Breadcrumbs path == ''.
if (parent.find('.upload_button').length === 0 && parent.data('path') !== '' && parent.data('path') !== utils.url_path_split(that.notebook_path)[0]) {
checked++;
selected.push({
name: parent.data('name'),
path: parent.data('path'),
type: parent.data('type')
});
// Set flags according to what is selected. Flags are later
// used to decide which action buttons are visible.
has_running_notebook = has_running_notebook ||
(parent.data('type') === 'notebook' && that.sessions[parent.data('path')] !== undefined);
has_file = has_file || (parent.data('type') === 'file');
has_directory = has_directory || (parent.data('type') === 'directory');
}
});
this.selected = selected;
// Rename is only visible when one item is selected, and it is not a running notebook
if (selected.length === 1 && !has_running_notebook) {
$('.rename-button').css('display', 'inline-block');
} else {
$('.rename-button').css('display', 'none');
}
// Move is visible if at least one item is selected, and none of them
// are a running notebook.
if (selected.length > 0 && !has_running_notebook) {
$('.move-button').css('display', 'inline-block');
} else {
$('.move-button').css('display', 'none');
}
// Download is only visible when items are selected, and none are
// running notebooks or a directories
if (selected.length > 0 && !has_running_notebook && !has_directory) {
$('.download-button').css('display', 'inline-block');
} else {
$('.download-button').css('display', 'none');
}
// Shutdown is only visible when one or more notebooks running notebooks
// are selected and no non-notebook items are selected.
if (has_running_notebook && !(has_file || has_directory)) {
$('.shutdown-button').css('display', 'inline-block');
} else {
$('.shutdown-button').css('display', 'none');
}
// Duplicate isn't visible when a directory is selected.
if (selected.length > 0 && !has_directory) {
$('.duplicate-button').css('display', 'inline-block');
} else {
$('.duplicate-button').css('display', 'none');
}
// Delete is visible if one or more items are selected.
if (selected.length > 0) {
$('.delete-button').css('display', 'inline-block');
} else {
$('.delete-button').css('display', 'none');
}
// View is visible in the following case:
//
// - the item is editable
// - it is not a notebook
//
// If it's not editable or unknown, the default action should be view
// already so no need to show the button.
// That should include things like, html, py, txt, json....
if (selected.length >= 1 && !has_directory) {
$('.view-button').css('display', 'inline-block');
} else {
$('.view-button').css('display', 'none');
}
// Edit is visible when an item is unknown, that is to say:
// - not in the editable list
// - not in the known non-editable list.
// - not a notebook.
// Indeed if it's editable the default action is already to edit.
// And non editable files should not show edit button.
// for unknown we'll assume users know what they are doing.
if (selected.length >= 1 && !has_directory && selected.every(function(el) {
return that._is_editable(el);
})) {
$('.edit-button').css('display', 'inline-block');
} else {
$('.edit-button').css('display', 'none');
}
// If all of the items are selected, show the selector as checked. If
// some of the items are selected, show it as checked. Otherwise,
// uncheck it.
var total = 0;
$('.list_item input[type=checkbox]').each(function(index, item) {
var parent = $(item).parent().parent();
// If the item doesn't have an upload button and it's not the
// breadcrumbs, it can be selected. Breadcrumbs path == ''.
if (parent.find('.upload_button').length === 0 && parent.data('path') !== '' && parent.data('path') !== utils.url_path_split(that.notebook_path)[0]) {
total++;
}
});
var select_all = $("#select-all");
if (checked === 0) {
select_all.prop('checked', false);
select_all.prop('indeterminate', false);
select_all.data('indeterminate', false);
} else if (checked === total) {
select_all.prop('checked', true);
select_all.prop('indeterminate', false);
select_all.data('indeterminate', false);
} else {
select_all.prop('checked', false);
select_all.prop('indeterminate', true);
select_all.data('indeterminate', true);
}
// Update total counter
checked = bidi.applyBidi(checked);
$('#counter-select-all').html(checked===0 ? ' ' : checked);
//#issue 3961, update the checkbox aria-label when it changed
if(selected.length>=1){
if($('#select-all').prop("checked")){
// $('#button-select-all').attr("aria-label", i18n.msg._("Selected All "+ selected.length +" items"));
var msg1 = i18n.msg._("Selected All %d items")
$('#button-select-all').attr("aria-label", i18n.msg.sprintf(msg1, selected.length));
}
else{
// $('#button-select-all').attr("aria-label", i18n.msg._("Selected, "+ selected.length+" items"));
var msg2 = i18n.msg._("Selected, %d items")
$('#button-select-all').attr("aria-label", i18n.msg.sprintf(msg2, selected.length));
}
}
else{
$('#button-select-all').attr("aria-label", i18n.msg._("Select All/None"));
}
// If at aleast on item is selected, hide the selection instructions.
if (checked > 0) {
$('.dynamic-instructions').hide();
} else {
$('.dynamic-instructions').show();
}
};
NotebookList.prototype.add_link = function (model, item) {
var that = this;
var running = (model.type === 'notebook' && this.sessions[model.path] !== undefined);
item.data('name',model.name);
item.data('path', model.path);
item.data('modified', model.last_modified);
item.data('type', model.type);
item.find(".item_name").text(bidi.applyBidi(model.name));
var icon = NotebookList.icons[model.type];
if (running) {
icon = 'running_' + icon;
}
var uri_prefix = NotebookList.uri_prefixes[model.type];
if (model.type === 'file' && this._is_viewable(model))
{
uri_prefix = 'view';
}
if (model.type === 'file' && this._is_pdflike(model))
{
uri_prefix = 'files';
}
if (model.type === 'file' && this._is_notebook(model))
{
uri_prefix = 'notebooks';
}
item.find(".item_icon").addClass(icon).addClass('icon-fixed-width');
var link = item.find("a.item_link")
.attr('href',
utils.url_path_join(
this.base_url,
uri_prefix,
utils.encode_uri_components(model.path)
)
);
item.find(".item_buttons .running-indicator").css('visibility', running ? '' : 'hidden');
// directory nav doesn't open new tabs
// files, notebooks do
if (model.type !== "directory") {
link.attr('target', IPython._target);
} else {
// Replace with a click handler that will use the History API to
// push a new route without reloading the page if the click is
// not modified (e.g., Ctrl-Click)
link.click(function (e) {
if(e.altKey || e.metaKey || e.shiftKey) {
return true;
}
window.history.pushState({
path: model.path
}, model.path, utils.url_path_join(
that.base_url,
'tree',
utils.encode_uri_components(model.path)
));
that.update_location(model.path);
return false;
});
}
// Add in the date that the file was last modified
item.find(".item_modified").text(utils.format_datetime(model.last_modified));
item.find(".item_modified").attr("title", moment(model.last_modified).format("YYYY-MM-DD HH:mm"));
var filesize = utils.format_filesize(model.size);
item.find(".file_size").text(filesize || '\xA0');
};
NotebookList.prototype.add_name_input = function (name, item, icon_type) {
item.data('name', name);
item.find(".item_icon").addClass(NotebookList.icons[icon_type]).addClass('icon-fixed-width');
item.find(".item_name").empty().append(
$('')
.addClass("filename_input")
.attr('value', name)
.attr('size', '30')
.attr('type', 'text')
.keyup(function(event){
if(event.keyCode === 13){item.find('.upload_button').click();}
else if(event.keyCode === 27){item.remove();}
})
);
};
NotebookList.prototype.add_file_data = function (data, item) {
item.data('filedata', data);
};
NotebookList.prototype.shutdown_selected = function() {
var that = this;
this.selected.forEach(function(item) {
if (item.type === 'notebook') {
that.shutdown_notebook(item.path);
}
});
// Deselect items after successful shutdown.
that.select('select-none');
};
NotebookList.prototype.shutdown_notebook = function(path) {
var that = this;
var settings = {
processData : false,
cache : false,
type : "DELETE",
dataType : "json",
success : function () {
that.load_sessions();
},
error : utils.log_ajax_error
};
var session = this.sessions[path];
if (session) {
var url = utils.url_path_join(
this.base_url,
'api/sessions',
encodeURIComponent(session.id)
);
utils.ajax(url, settings);
}
};
NotebookList.prototype.rename_selected = function() {
if (this.selected.length !== 1){
return;
}
var that = this;
var item_path = this.selected[0].path;
var item_name = this.selected[0].name;
var item_type = this.selected[0].type;
var input = $('')
.attr('type','text')
.attr('size','25')
.attr('aria-labelledby','rename-message')
.addClass('form-control')
.val(item_name);
var rename_msg = function (type) {
switch(type) {
case 'file': return i18n.msg._("Enter a new file name:");
case 'directory': return i18n.msg._("Enter a new directory name:");
case 'notebook': return i18n.msg._("Enter a new notebook name:");
default: return i18n.msg._("Enter a new name:");
}
};
var rename_title = function (type) {
switch(type) {
case 'file': return i18n.msg._("Rename file");
case 'directory': return i18n.msg._("Rename directory");
case 'notebook': return i18n.msg._("Rename notebook");
default: return i18n.msg._("Rename");
}
};
var dialog_body = $('').append(
$("").addClass("rename-message")
.attr('id', 'rename-message')
.text(rename_msg(item_type))
).append(
$(" ")
).append(input);
// This statement is used simply so that message extraction
// will pick up the strings. The actual setting of the text
// for the button is in dialog.js.
var button_labels = [ i18n.msg._("Cancel"), i18n.msg._("Rename"), i18n.msg._("OK"), i18n.msg._("Move")];
var d = dialog.modal({
title : rename_title(item_type),
body : dialog_body,
default_button: "Cancel",
buttons : {
Cancel: {},
Rename : {
class: "btn-primary",
click: function() {
that.contents.rename(item_path, utils.url_path_join(that.notebook_path, input.val())).then(function() {
that.load_list();
// Deselect items after successful rename.
that.select('select-none');
}).catch(function(e) {
var template = i18n.msg._("An error occurred while renaming \"%1$s\" to \"%2$s\".");
var failmsg = i18n.msg.sprintf(template,item_name,input.val());
dialog.modal({
title: i18n.msg._("Rename Failed"),
body: $('')
.text(failmsg)
.append($('')
.addClass('alert alert-danger')
.text(e.message || e)),
buttons: {
OK: {'class': 'btn-primary'}
}
});
console.warn('Error during renaming :', e);
});
}
}
},
open : function () {
// Upon ENTER, click the OK button.
input.keydown(function (event) {
if (event.which === keyboard.keycodes.enter) {
d.find('.btn-primary').first().click();
return false;
}
});
input.focus();
// Highlight the filename (up to the filetype suffix) in the input field.
if (input.val().indexOf(".") > 0) {
input[0].setSelectionRange(0,input.val().indexOf("."));
} else {
input.select();
}
}
});
};
NotebookList.prototype.move_selected = function() {
var that = this;
var selected = that.selected.slice(); // Don't let that.selected change out from under us
var num_items = selected.length;
// Can move one or more selected items.
if (!(num_items >= 1)) {
return;
}
// Open a dialog to enter the new path, with current path as default.
var input = $('').attr('type','text').attr('size','25').attr('aria-labelledby','move-message').addClass('form-control')
.val(utils.url_path_join('/', that.notebook_path));
var dialog_body = $('').append(
$("").addClass("rename-message").attr('id', 'move-message')
.text(i18n.msg.sprintf(i18n.msg.ngettext("Enter a new destination directory path for this item:",
"Enter a new destination directory path for these %d items:", num_items),num_items))
).append(
$(" ")
).append(
$("").append(
// $("").addClass("fa fa-folder").addClass("server-root")
$("").text(utils.get_body_data("serverRoot")).addClass("server-root")
).append(
input.addClass("path-input")
).addClass("move-path")
);
var d = dialog.modal({
title : i18n.msg.sprintf(i18n.msg.ngettext("Move an Item","Move %d Items",num_items),num_items),
body : dialog_body,
default_button: "Cancel",
buttons : {
Cancel : {},
Move : {
class: "btn-primary",
click: function() {
// Move all the items.
selected.forEach(function(item) {
var item_path = item.path;
var item_name = item.name;
// Construct the new path using the user input and the item's name.
var new_path = utils.url_path_join(input.val(), item_name);
that.contents.rename(item_path, new_path).then(function() {
// After each move finishes, reload the list.
that.load_list();
}).catch(function(e) {
// If any of the moves fails, show this dialog for that move.
var failmsg = i18n.msg._("An error occurred while moving \"%1$s\" from \"%2$s\" to \"%3$s\".");
dialog.modal({
title: i18n.msg._("Move Failed"),
body: $('')
.text(i18n.msg.sprintf(failmsg,item_name,item_path,new_path))
.append($('')
.addClass('alert alert-danger')
.text(e.message || e)),
buttons: {
OK: {'class': 'btn-primary'}
}
});
console.warn('Error during moving :', e);
});
}); // End of forEach.
}
}
},
// TODO: Consider adding fancier UI per Issue #941.
open : function () {
// Upon ENTER, click the OK button.
input.keydown(function (event) {
if (event.which === keyboard.keycodes.enter) {
d.find('.btn-primary').first().click();
return false;
}
});
// Put the cursor at the end of the input.
input.focus();
}
});
};
NotebookList.prototype.download_selected = function() {
var that = this;
that.selected.forEach(function(item) {
var item_path = utils.encode_uri_components(item.path);
window.open(utils.url_path_join(that.base_url, 'files', item_path) + '?download=1', IPython._target);
});
};
NotebookList.prototype.delete_selected = function() {
var selected = this.selected.slice(); // Don't let that.selected change out from under us
var template = i18n.msg.ngettext("Are you sure you want to permanently delete: \"%s\"?",
"Are you sure you want to permanently delete the %d files or folders selected?",
selected.length);
var delete_msg;
if (selected.length === 1) {
delete_msg = i18n.msg.sprintf(template, selected[0].name);
} else {
delete_msg = i18n.msg.sprintf(template, selected.length);
}
var that = this;
dialog.modal({
title : i18n.msg._("Delete"),
body : delete_msg,
default_button: "Cancel",
buttons : {
Cancel: {},
Delete : {
class: "btn-danger",
click: function() {
// Shutdown any/all selected notebooks before deleting
// the files.
that.shutdown_selected();
// Delete selected.
selected.forEach(function(item) {
that.contents.delete(item.path).then(function() {
that.notebook_deleted(item.path);
}).catch(function(e) {
var failmsg = i18n.msg._("An error occurred while deleting \"%s\".");
dialog.modal({
title: i18n.msg._("Delete Failed"),
body: $('')
.text(i18n.msg.sprintf(failmsg, item.path))
.append($('')
.addClass('alert alert-danger')
.text(e.message || e)),
buttons: {
OK: {'class': 'btn-primary'}
}
});
console.warn('Error during content deletion:', e);
});
});
}
}
}
});
};
NotebookList.prototype.view_selected = function() {
var that = this;
that.selected.forEach(function(item) {
var item_path = utils.encode_uri_components(item.path);
var item_type = that._is_notebook(item) ? 'notebooks' : that._is_viewable(item) ? 'view' : 'files';
window.open(utils.url_path_join(that.base_url, item_type, item_path), IPython._target);
});
};
NotebookList.prototype.edit_selected = function() {
var that = this;
that.selected.forEach(function(item) {
var item_path = utils.encode_uri_components(item.path);
window.open(utils.url_path_join(that.base_url, 'edit', item_path), IPython._target);
});
};
NotebookList.prototype.duplicate_selected = function() {
var selected = this.selected.slice(); // Don't let that.selected change out from under us
var template = i18n.msg.ngettext("Are you sure you want to duplicate: \"%s\"?",
"Are you sure you want to duplicate the %d files selected?",selected.length);
var dup_msg;
if (selected.length === 1) {
dup_msg = i18n.msg.sprintf(template,selected[0].name);
} else {
dup_msg = i18n.msg.sprintf(template,selected.length);
}
var that = this;
dialog.modal({
title : i18n.msg._("Duplicate"),
body : dup_msg,
default_button: "Cancel",
buttons : {
Cancel: {},
Duplicate : {
class: "btn-primary",
click: function() {
selected.forEach(function(item) {
that.contents.copy(item.path, that.notebook_path).then(function () {
that.load_list();
// Deselect items after successful duplication.
that.select('select-none');
}).catch(function(e) {
var failmsg = i18n.msg._("An error occurred while duplicating \"%s\".");
dialog.modal({
title: i18n.msg._("Duplicate Failed"),
body: $('')
.text(i18n.msg.sprintf(failmsg,item.path))
.append($('')
.addClass('alert alert-danger')
.text(e.message || e)),
buttons: {
OK: {'class': 'btn-primary'}
}
});
console.warn('Error during content duplication', e);
});
});
}
}
}
});
};
NotebookList.prototype.notebook_deleted = function(path) {
/**
* Remove the deleted notebook.
*/
var that = this;
$(".list_item").each(function() {
var element = $(this);
if (element.data("path") === path) {
element.remove();
events.trigger('notebook_deleted.NotebookList');
that._selection_changed();
}
});
};
// Add a new class for large file upload
NotebookList.prototype.add_large_file_upload_button = function (file) {
var that = this;
var item = that.new_item(0, true);
var stop_signal = false;
item.addClass('new-file');
that.add_name_input(file.name, item, 'file');
var cancel_button = $('').text("Cancel")
.addClass("btn btn-default btn-xs")
.click(function (e) {
item.remove();
stop_signal = true;
return false;
});
var upload_button = $('').text("Upload")
.addClass('btn btn-primary btn-xs upload_button')
.click(function (e) {
var filename = item.find('.item_name > input').val();
var path = utils.url_path_join(that.notebook_path, filename);
var format = 'text';
if (filename.length === 0 || filename[0] === '.') {
dialog.modal({
title : 'Invalid file name',
body : "File names must be at least one character and not start with a dot",
buttons : {'OK' : { 'class' : 'btn-primary' }}
});
return false;
}
var check_exist = function () {
var exists = false;
$.each(that.element.find('.list_item:not(.new-file)'), function(k,v){
if ($(v).data('name') === filename) { exists = true; return false; }
});
return exists
};
var exists = check_exist();
var add_uploading_button = function (f, item) {
// change buttons, add a progress bar
var uploading_button = item.find('.upload_button').text("Uploading");
uploading_button.off('click'); // Prevent double upload
var progress_bar = $('')
.addClass('progress-bar')
.css('top', '0')
.css('left', '0')
.css('width', '0')
.css('height', '3px')
.css('border-radius', '0 0 0 0')
.css('display', 'inline-block')
.css('position', 'absolute');
var parse_large_file = function (f, item) {
// codes inspired by https://stackoverflow.com/a/28318964
// 8MB chunk size chosen to match chunk sizes used by benchmark reference (AWS S3)
var chunk_size = 1024 * 1024 * 8;
var offset = 0;
var chunk = 0;
var chunk_reader = null;
var large_reader_onload = function (event) {
if (stop_signal === true) {
return;
}
if (event.target.error == null) {
offset += chunk_size;
if (offset >= f.size) {
chunk = -1;
} else {
chunk += 1;
}
// callback for handling reading: reader_onload in add_upload_button
var item = $(event.target).data('item');
that.add_file_data(event.target.result, item);
upload_file(item, chunk); // Do the upload
} else {
console.log("Read error: " + event.target.error);
}
};
var on_error = function (event) {
var item = $(event.target).data('item');
var name = item.data('name');
item.remove();
var _exists = check_exist();
if (_exists) {
that.contents.delete(path);
}
dialog.modal({
title : 'Failed to read file',
body : "Failed to read file '" + name + "'",
buttons : {'OK' : { 'class' : 'btn-primary' }}
});
};
chunk_reader = function (_offset, _f) {
var reader = new FileReader();
var blob = _f.slice(_offset, chunk_size + _offset);
// Load everything as ArrayBuffer
reader.readAsArrayBuffer(blob);
// Store the list item in the reader so we can use it later
// to know which item it belongs to.
$(reader).data('item', item);
reader.onload = large_reader_onload;
reader.onerror = on_error;
};
// This approach avoids triggering multiple GC pauses for large files.
// Borrowed from kanaka's answer at:
// https://stackoverflow.com/questions/12710001/how-to-convert-uint8-array-to-base64-encoded-string
var Uint8ToString = function(u8a){
var CHUNK_SZ = 0x8000;
var c = [];
for (var i=0; i < u8a.length; i+=CHUNK_SZ) {
c.push(String.fromCharCode.apply(null, u8a.subarray(i, i+CHUNK_SZ)));
}
return c.join("");
};
// These codes to upload file in original class
var upload_file = function(item, chunk) {
var filedata = item.data('filedata');
if (filedata instanceof ArrayBuffer) {
// base64-encode binary file data
var buf = new Uint8Array(filedata);
filedata = btoa(Uint8ToString(buf));
format = 'base64';
}
var model = { name: filename, path: path };
var name_and_ext = utils.splitext(filename);
var file_ext = name_and_ext[1];
var content_type;
// Treat everything as generic file
model.type = 'file';
model.format = format;
content_type = 'application/octet-stream';
model.chunk = chunk;
model.content = filedata;
var on_success = function () {
if (offset < f.size) {
// of to the next chunk
chunk_reader(offset, f);
// change progress bar and progress button
var progress = offset / f.size * 100;
progress = progress > 100 ? 100 : progress;
uploading_button.text(progress.toFixed(0)+'%');
progress_bar.css('width', progress+'%')
.attr('aria-valuenow', progress.toString());
} else {
item.removeClass('new-file');
that.add_link(model, item);
that.session_list.load_sessions();
}
};
that.contents.save(path, model).then(on_success, on_error);
};
// now let's start the read with the first block
chunk_reader(offset, f);
};
item.find('.item_buttons')
.append(progress_bar);
parse_large_file(f, item);
};
if (exists) {
dialog.modal({
title : "Replace file",
body : 'There is already a file named ' + filename + ', do you want to replace it?',
default_button: "Cancel",
buttons : {
Overwrite : {
class: "btn-danger",
click: function () {
add_uploading_button(file, item);
}
},
Cancel : {
click: function() { item.remove(); }
}
}
});
} else {
add_uploading_button(file, item);
}
return false;
});
item.find(".item_buttons").empty()
.append(upload_button)
.append(cancel_button);
};
NotebookList.prototype.add_upload_button = function (item) {
var that = this;
var upload_button = $('').text(i18n.msg._("Upload"))
.addClass('btn btn-primary btn-xs upload_button')
.click(function (e) {
item.find('.upload_button').text("Uploading...");
var filename = item.find('.item_name > input').val();
var path = utils.url_path_join(that.notebook_path, filename);
var filedata = item.data('filedata');
var format = 'text';
if (filename.length === 0 || filename[0] === '.') {
dialog.modal({
title : i18n.msg._('Invalid file name'),
body : i18n.msg._("File names must be at least one character and not start with a period"),
buttons : {'OK' : { 'class' : 'btn-primary' }}
});
return false;
}
if (filedata instanceof ArrayBuffer) {
// base64-encode binary file data
var bytes = '';
var buf = new Uint8Array(filedata);
var nbytes = buf.byteLength;
for (var i=0; i').text(i18n.msg._("Cancel"))
.addClass("btn btn-default btn-xs")
.click(function (e) {
item.remove();
return false;
});
item.find(".item_buttons").empty()
.append(upload_button)
.append(cancel_button);
};
return {'NotebookList': NotebookList};
});