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notebooklist.js
498 lines | 18.2 KiB | application/javascript | JavascriptLexer
// 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',
], function(IPython, $, utils, dialog) {
"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); });
}
};
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;
});
};
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);
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(
$.proxy(this.draw_notebook_list, this),
function(error) {
that.draw_notebook_list({content: []}, "Server error: " + error.message);
}
);
};
/**
* Draw the list of notebooks
* @method draw_notebook_list
* @param {Array} list An array of dictionaries representing files or
* directories.
* @param {String} error_msg An error message
*/
NotebookList.prototype.draw_notebook_list = function (list, error_msg) {
var message = error_msg || 'Notebook list empty.';
var item = null;
var model = null;
var len = list.content.length;
this.clear_list();
var n_uploads = this.element.children('.list_item').length;
if (len === 0) {
item = this.new_item(0);
var span12 = item.children().first();
span12.empty();
span12.append($('<div style="margin:auto;text-align:center;color:grey"/>').text(message));
}
var path = this.notebook_path;
var offset = n_uploads;
if (path !== '') {
item = this.new_item(offset);
model = {
type: 'directory',
name: '..',
path: utils.url_path_split(path)[0],
};
this.add_link(model, item);
offset += 1;
}
for (var i=0; i<len; i++) {
model = list.content[i];
item = this.new_item(i+offset);
this.add_link(model, item);
}
};
NotebookList.prototype.new_item = function (index) {
var item = $('<div/>').addClass("list_item").addClass("row");
// item.addClass('list_item ui-widget ui-widget-content ui-helper-clearfix');
// item.css('border-top-style','none');
item.append($("<div/>").addClass("col-md-12").append(
$('<i/>').addClass('item_icon')
).append(
$("<a/>").addClass("item_link").append(
$("<span/>").addClass("item_name")
)
).append(
$('<div/>').addClass("item_buttons btn-group pull-right")
));
if (index === -1) {
this.element.append(item);
} else {
this.element.children().eq(index).after(item);
}
return item;
};
NotebookList.icons = {
directory: 'folder_icon',
notebook: 'notebook_icon',
file: 'file_icon',
};
NotebookList.uri_prefixes = {
directory: 'tree',
notebook: 'notebooks',
file: 'files',
};
NotebookList.prototype.add_link = function (model, item) {
var path = model.path,
name = model.name;
item.data('name', name);
item.data('path', path);
item.find(".item_name").text(name);
var icon = NotebookList.icons[model.type];
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
)
);
// directory nav doesn't open new tabs
// files, notebooks do
if (model.type !== "directory") {
link.attr('target','_blank');
}
if (model.type !== 'directory') {
this.add_duplicate_button(item);
}
if (model.type == 'file') {
this.add_delete_button(item);
} else if (model.type == 'notebook') {
if (this.sessions[path] === undefined){
this.add_delete_button(item);
} else {
this.add_shutdown_button(item, this.sessions[path]);
}
}
};
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(
$('<input/>')
.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.add_shutdown_button = function (item, session) {
var that = this;
var shutdown_button = $("<button/>").text("Shutdown").addClass("btn btn-xs btn-danger").
click(function (e) {
var settings = {
processData : false,
cache : false,
type : "DELETE",
dataType : "json",
success : function () {
that.load_sessions();
},
error : utils.log_ajax_error,
};
var url = utils.url_join_encode(
that.base_url,
'api/sessions',
session
);
$.ajax(url, settings);
return false;
});
item.find(".item_buttons").append(shutdown_button);
};
NotebookList.prototype.add_duplicate_button = function (item) {
var notebooklist = this;
var duplicate_button = $("<button/>").text("Duplicate").addClass("btn btn-default btn-xs").
click(function (e) {
// $(this) is the button that was clicked.
var that = $(this);
var name = item.data('name');
var path = item.data('path');
var message = 'Are you sure you want to duplicate ' + name + '?';
var copy_from = {copy_from : path};
IPython.dialog.modal({
title : "Duplicate " + name,
body : message,
buttons : {
Duplicate : {
class: "btn-primary",
click: function() {
notebooklist.contents.copy(path, notebooklist.notebook_path).then(function () {
notebooklist.load_list();
});
}
},
Cancel : {}
}
});
return false;
});
item.find(".item_buttons").append(duplicate_button);
};
NotebookList.prototype.add_delete_button = function (item) {
var notebooklist = this;
var delete_button = $("<button/>").text("Delete").addClass("btn btn-default btn-xs").
click(function (e) {
// $(this) is the button that was clicked.
var that = $(this);
// We use the filename from the parent list_item element's
// data because the outer scope's values change as we iterate through the loop.
var parent_item = that.parents('div.list_item');
var name = parent_item.data('name');
var path = parent_item.data('path');
var message = 'Are you sure you want to permanently delete the file: ' + name + '?';
dialog.modal({
title : "Delete file",
body : message,
buttons : {
Delete : {
class: "btn-danger",
click: function() {
notebooklist.contents.delete(path).then(
function() {
notebooklist.notebook_deleted(path);
}
);
}
},
Cancel : {}
}
});
return false;
});
item.find(".item_buttons").append(delete_button);
};
NotebookList.prototype.notebook_deleted = function(path) {
// Remove the deleted notebook.
$( ":data(path)" ).each(function() {
var element = $(this);
if (element.data("path") == path) {
element.remove();
}
});
};
NotebookList.prototype.add_upload_button = function (item) {
var that = this;
var upload_button = $('<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<nbytes; i++) {
bytes += String.fromCharCode(buf[i]);
}
filedata = btoa(bytes);
format = 'base64';
}
var model = {};
var name_and_ext = utils.splitext(filename);
var file_ext = name_and_ext[1];
var content_type;
if (file_ext === '.ipynb') {
model.type = 'notebook';
model.format = 'json';
try {
model.content = JSON.parse(filedata);
} catch (e) {
dialog.modal({
title : 'Cannot upload invalid Notebook',
body : "The error was: " + e,
buttons : {'OK' : {
'class' : 'btn-primary',
click: function () {
item.remove();
}
}}
});
return false;
}
content_type = 'application/json';
} else {
model.type = 'file';
model.format = format;
model.content = filedata;
content_type = 'application/octet-stream';
}
filedata = item.data('filedata');
var on_success = function () {
item.removeClass('new-file');
that.add_link(model, item);
that.add_delete_button(item);
that.session_list.load_sessions();
};
var exists = false;
$.each(that.element.find('.list_item:not(.new-file)'), function(k,v){
if ($(v).data('name') === filename) { exists = true; return false; }
});
if (exists) {
dialog.modal({
title : "Replace file",
body : 'There is already a file named ' + filename + ', do you want to replace it?',
buttons : {
Overwrite : {
class: "btn-danger",
click: function () {
that.contents.save(path, model).then(on_success);
}
},
Cancel : {
click: function() { item.remove(); }
}
}
});
} else {
that.contents.save(path, model).then(on_success);
}
return false;
});
var cancel_button = $('<button/>').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};
});