// Copyright (c) IPython Development Team.
// Distributed under the terms of the Modified BSD License.
define([
'base/js/namespace',
'jquery',
'base/js/utils',
'base/js/dialog',
'base/js/events',
'base/js/keyboard',
], function(IPython, $, utils, dialog, events, keyboard) {
"use strict";
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;
// 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.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 = [];
};
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(undefined, IPython._target);
that.contents.new_untitled(that.notebook_path || '', {type: 'file', ext: '.txt'}).then(function(data) {
var url = utils.url_join_encode(
that.base_url, 'edit', data.path
);
w.location = url;
}).catch(function (e) {
w.close();
dialog.modal({
title: 'Creating File Failed',
body: $('
')
.text("An error occurred while creating a new file.")
.append($('')
.addClass('alert alert-danger')
.text(e.message || e)),
buttons: {
OK: {'class': 'btn-primary'}
}
});
console.warn('Error durring New file creation', e);
});
that.load_sessions();
});
$('#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: 'Creating Folder Failed',
body: $('')
.text("An error occurred while creating a new folder.")
.append($('')
.addClass('alert alert-danger')
.text(e.message || e)),
buttons: {
OK: {'class': 'btn-primary'}
}
});
console.warn('Error durring New directory creation', e);
});
that.load_sessions();
});
// Bind events for action buttons.
$('.rename-button').click($.proxy(this.rename_selected, this));
$('.shutdown-button').click($.proxy(this.shutdown_selected, this));
$('.duplicate-button').click($.proxy(this.duplicate_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'))});
$('#select-all').change(function(){that.select($(this).is(':checked') ? 'select-all' : 'select-none')});
$('#button-select-all').click(function(e) {
// toggle checkbox if the click doesn't come from the checkbox already
if (!$(e.target).is('input[type=checkbox]')) {
var checkbox = $('#select-all');
checkbox.prop('checked', !checkbox.prop('checked'));
that.select(checkbox.prop('checked') ? 'select-all' : 'select-none');
}
});
}
};
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;
}
for (var i = 0; i < files.length; i++) {
var f = files[i];
var name_and_ext = utils.splitext(f.name);
var file_ext = name_and_ext[1];
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 = function (event) {
var item = $(event.target).data('item');
that.add_file_data(event.target.result, item);
that.add_upload_button(item);
};
reader.onerror = function (event) {
var item = $(event.target).data('item');
var name = item.data('name');
item.remove();
dialog.modal({
title : 'Failed to read file',
body : "Failed to read file '" + name + "'",
buttons : {'OK' : { 'class' : 'btn-primary' }}
});
};
}
// Replace the file input form wth a clone of itself. 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.replaceWith(form.clone(true));
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;
this.contents.list_contents(that.notebook_path).then(
$.proxy(this.draw_notebook_list, this),
function(error) {
that.draw_notebook_list({content: []}, "Server error: " + error.message);
}
);
};
/**
* Draw the list of notebooks
* @method draw_notebook_list
* @param {Array} list An array of dictionaries representing files or
* directories.
* @param {String} error_msg An error message
*/
var type_order = {'directory':0,'notebook':1,'file':2};
NotebookList.prototype.draw_notebook_list = function (list, error_msg) {
// Remember what was selected before the refresh.
var selected_before = this.selected;
list.content.sort(function(a, b) {
if (type_order[a['type']] < type_order[b['type']]) {
return -1;
}
if (type_order[a['type']] > type_order[b['type']]) {
return 1;
}
if (a['name'] < b['name']) {
return -1;
}
if (a['name'] > b['name']) {
return 1;
}
return 0;
});
var message = error_msg || 'Notebook list empty.';
var item = null;
var model = null;
var len = list.content.length;
this.clear_list();
var n_uploads = this.element.children('.list_item').length;
if (len === 0) {
item = this.new_item(0);
var span12 = item.children().first();
span12.empty();
span12.append($('').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')
.addClass("list_item")
.addClass("row");
var item = $("")
.addClass("col-md-12")
.appendTo(row);
var checkbox;
if (selectable !== undefined) {
checkbox = $('')
.attr('type', 'checkbox')
.attr('title', 'Click here to rename, delete, etc.')
.appendTo(item);
}
$('')
.addClass('item_icon')
.appendTo(item);
var link = $("")
.addClass("item_link")
.appendTo(item);
$("")
.addClass("item_name")
.appendTo(link);
if (selectable === false) {
checkbox.css('visibility', 'hidden');
} else if (selectable === true) {
var that = this;
row.click(function(e) {
// toggle checkbox only if the click doesn't come from the checkbox or the link
if (!$(e.target).is('span[class=item_name]') && !$(e.target).is('input[type=checkbox]')) {
checkbox.prop('checked', !checkbox.prop('checked'));
}
that._selection_changed();
});
}
var buttons = $('')
.addClass("item_buttons pull-right")
.appendTo(item);
$('')
.addClass('running-indicator')
.text('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();
};
/**
* 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 selected = [];
var has_running_notebook = false;
var has_directory = false;
var has_file = false;
var that = this;
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');
}
// 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');
}
// 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++;
}
});
if (checked === 0) {
$('#tree-selector input[type=checkbox]')[0].indeterminate = false;
$('#tree-selector input[type=checkbox]').prop('checked', false);
} else if (checked === total) {
$('#tree-selector input[type=checkbox]')[0].indeterminate = false;
$('#tree-selector input[type=checkbox]').prop('checked', true);
} else {
$('#tree-selector input[type=checkbox]').prop('checked', false);
$('#tree-selector input[type=checkbox]')[0].indeterminate = true;
}
// Update total counter
$('#counter-select-all').html(checked===0 ? ' ' : checked);
// 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 path = model.path,
name = model.name;
var running = (model.type == 'notebook' && this.sessions[path] !== undefined);
item.data('name', name);
item.data('path', path);
item.data('type', model.type);
item.find(".item_name").text(name);
var icon = NotebookList.icons[model.type];
if (running) {
icon = 'running_' + icon;
}
var uri_prefix = NotebookList.uri_prefixes[model.type];
item.find(".item_icon").addClass(icon).addClass('icon-fixed-width');
var link = item.find("a.item_link")
.attr('href',
utils.url_join_encode(
this.base_url,
uri_prefix,
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);
}
};
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);
}
});
};
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_join_encode(
this.base_url,
'api/sessions',
session
);
$.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').addClass('form-control')
.val(item_name);
var dialog_body = $('').append(
$("").addClass("rename-message")
.text('Enter a new '+ item_type + ' name:')
).append(
$(" ")
).append(input);
var d = dialog.modal({
title : "Rename "+ item_type,
body : dialog_body,
buttons : {
OK : {
class: "btn-primary",
click: function() {
that.contents.rename(item_path, utils.url_path_join(that.notebook_path, input.val())).then(function() {
that.load_list();
}).catch(function(e) {
dialog.modal({
title: "Rename Failed",
body: $('')
.text("An error occurred while renaming \"" + item_name + "\" to \"" + input.val() + "\".")
.append($('')
.addClass('alert alert-danger')
.text(e.message || e)),
buttons: {
OK: {'class': 'btn-primary'}
}
});
console.warn('Error durring renaming :', e);
});
}
},
Cancel : {}
},
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().select();
}
});
};
NotebookList.prototype.delete_selected = function() {
var message;
if (this.selected.length == 1) {
message = 'Are you sure you want to permanently delete: ' + this.selected[0].name + '?';
} else {
message = 'Are you sure you want to permanently delete the ' + this.selected.length + ' files/folders selected?';
}
var that = this;
dialog.modal({
title : "Delete",
body : message,
buttons : {
Delete : {
class: "btn-danger",
click: function() {
// Shutdown any/all selected notebooks before deleting
// the files.
that.shutdown_selected();
// Delete selected.
that.selected.forEach(function(item) {
that.contents.delete(item.path).then(function() {
that.notebook_deleted(item.path);
}).catch(function(e) {
dialog.modal({
title: "Delete Failed",
body: $('')
.text("An error occurred while deleting \"" + item.path + "\".")
.append($('')
.addClass('alert alert-danger')
.text(e.message || e)),
buttons: {
OK: {'class': 'btn-primary'}
}
});
console.warn('Error durring content deletion:', e);
});
});
}
},
Cancel : {}
}
});
};
NotebookList.prototype.duplicate_selected = function() {
var message;
if (this.selected.length == 1) {
message = 'Are you sure you want to duplicate: ' + this.selected[0].name + '?';
} else {
message = 'Are you sure you want to duplicate the ' + this.selected.length + ' files selected?';
}
var that = this;
dialog.modal({
title : "Duplicate",
body : message,
buttons : {
Duplicate : {
class: "btn-primary",
click: function() {
that.selected.forEach(function(item) {
that.contents.copy(item.path, that.notebook_path).then(function () {
that.load_list();
}).catch(function(e) {
dialog.modal({
title: "Duplicate Failed",
body: $('')
.text("An error occurred while duplicating \"" + item.path + "\".")
.append($('')
.addClass('alert alert-danger')
.text(e.message || e)),
buttons: {
OK: {'class': 'btn-primary'}
}
});
console.warn('Error durring content duplication', e);
});
});
}
},
Cancel : {}
}
});
};
NotebookList.prototype.notebook_deleted = function(path) {
/**
* Remove the deleted notebook.
*/
var that = this;
$( ":data(path)" ).each(function() {
var element = $(this);
if (element.data("path") === path) {
element.remove();
events.trigger('notebook_deleted.NotebookList');
that._selection_changed();
}
});
};
NotebookList.prototype.add_upload_button = function (item) {
var that = this;
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 filedata = item.data('filedata');
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;
}
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("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);
};
// Backwards compatability.
IPython.NotebookList = NotebookList;
return {'NotebookList': NotebookList};
});