##// END OF EJS Templates
Add the "Duplicate" button in the main dashboard...
Add the "Duplicate" button in the main dashboard so we can copy an existing notebook without having to start it's instance

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notebooklist.js
514 lines | 19.2 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');
}
var path_name = utils.url_path_join(path, name);
if (model.type == 'file') {
this.add_delete_button(item);
} else if (model.type == 'notebook') {
if(this.sessions[path_name] === undefined){
this.add_delete_button(item);
this.add_duplicate_button(item);
} else {
this.add_shutdown_button(item, this.sessions[path_name]);
}
}
};
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;
});
// var new_buttons = item.find('a'); // shutdown_button;
item.find(".item_buttons").append(shutdown_button);
};
NotebookList.prototype.add_duplicate_button = function (item) {
var new_buttons = $('<span/>').addClass("btn-group pull-right");
var notebooklist = this;
var duplicate_button = $("<button/>").text("Duplicate").addClass("btn btn-defaultbtn-xs").
click(function (e) {
// $(this) is the button that was clicked.
var that = $(this);
// We use the nbname and notebook_id from the parent notebook_item element's
// data because the outer scopes values change as we iterate through the loop.
var parent_item = that.parents('div.list_item');
var nbname = parent_item.data('nbname');
var message = 'Are you sure you want to duplicate the notebook: ' + nbname + '?';
var copy_from = {'copy_from' : nbname}
IPython.dialog.modal({
title : "Duplicate notebook",
body : message,
buttons : {
Duplicate : {
class: "btn-primary",
click: function() {
var settings = {
processData : false,
cache : false,
type : "POST",
dataType : "json",
data : JSON.stringify(copy_from),
success : function (data, status, xhr) {
notebooklist.load_list();
}
};
var url = utils.url_join_encode(
notebooklist.base_url,
'api/notebooks',
notebooklist.notebook_path
);
$.ajax(url, settings);
}
},
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};
});