##// END OF EJS Templates
Updating the notebook to work with the latex master....
Updating the notebook to work with the latex master. * PNG figures are now used for matplotlib. * NEW msg format is used where msg_type is in the header. * Session is used for sending/recving.

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r4348:97f1ce7d
r4348:97f1ce7d
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notebook.js
1145 lines | 32.3 KiB | application/javascript | JavascriptLexer
var IPYTHON = {};
//============================================================================
// Utilities
//============================================================================
var uuid = function () {
// http://www.ietf.org/rfc/rfc4122.txt
var s = [];
var hexDigits = "0123456789ABCDEF";
for (var i = 0; i < 32; i++) {
s[i] = hexDigits.substr(Math.floor(Math.random() * 0x10), 1);
}
s[12] = "4"; // bits 12-15 of the time_hi_and_version field to 0010
s[16] = hexDigits.substr((s[16] & 0x3) | 0x8, 1); // bits 6-7 of the clock_seq_hi_and_reserved to 01
var uuid = s.join("");
return uuid;
};
//Fix raw text to parse correctly in crazy XML
function xmlencode(string) {
return string.replace(/\&/g,'&'+'amp;')
.replace(/</g,'&'+'lt;')
.replace(/>/g,'&'+'gt;')
.replace(/\'/g,'&'+'apos;')
.replace(/\"/g,'&'+'quot;')
.replace(/`/g,'&'+'#96;')
}
//Map from terminal commands to CSS classes
attrib = {
"30":"cblack", "31":"cred",
"32":"cgreen", "33":"cyellow",
"34":"cblue", "36":"ccyan",
"37":"cwhite", "01":"cbold"}
//Fixes escaped console commands, IE colors. Turns them into HTML
function fixConsole(txt) {
txt = xmlencode(txt)
var re = /\033\[([\d;]*?)m/
var opened = false
var cmds = []
var opener = ""
var closer = ""
while (re.test(txt)) {
var cmds = txt.match(re)[1].split(";")
closer = opened?"</span>":""
opened = cmds.length > 1 || cmds[0] != 0
var rep = []
for (var i in cmds)
if (typeof(attrib[cmds[i]]) != "undefined")
rep.push(attrib[cmds[i]])
opener = rep.length > 0?"<span class=\""+rep.join(" ")+"\">":""
txt = txt.replace(re, closer + opener)
}
if (opened) txt += "</span>"
return txt.trim()
}
//============================================================================
// Notebook
//============================================================================
var Notebook = function (selector) {
this.element = $(selector);
this.element.scroll();
this.element.data("notebook", this);
this.next_prompt_number = 1;
this.kernel = null;
this.msg_cell_map = {};
this.filename = null;
this.notebook_load_re = /%notebook load/
this.notebook_save_re = /%notebook save/
this.notebook_filename_re = /(\w)+.ipynb/
this.bind_events();
this.start_kernel();
};
Notebook.prototype.bind_events = function () {
var that = this;
$(document).keydown(function (event) {
// console.log(event);
if (event.which === 38) {
var cell = that.selected_cell();
if (cell.at_top()) {
event.preventDefault();
that.select_prev();
};
} else if (event.which === 40) {
var cell = that.selected_cell();
if (cell.at_bottom()) {
event.preventDefault();
that.select_next();
};
} else if (event.which === 13 && event.shiftKey) {
// The focus is not quite working here.
var cell = that.selected_cell();
var cell_index = that.find_cell_index(cell);
// TODO: the logic here needs to be moved into appropriate
// methods of Notebook.
if (cell instanceof CodeCell) {
event.preventDefault();
cell.clear_output();
var code = cell.get_code();
if (that.notebook_load_re.test(code)) {
var code_parts = code.split(' ');
if (code_parts.length === 3) {
that.load_notebook(code_parts[2]);
};
} else if (that.notebook_save_re.test(code)) {
var code_parts = code.split(' ');
if (code_parts.length === 3) {
that.save_notebook(code_parts[2]);
} else {
that.save_notebook()
};
} else {
var msg_id = that.kernel.execute(cell.get_code());
that.msg_cell_map[msg_id] = cell.cell_id;
};
} else if (cell instanceof TextCell) {
event.preventDefault();
cell.render();
}
if (cell_index === (that.ncells()-1)) {
that.insert_code_cell_after();
} else {
that.select(cell_index+1);
};
};
});
};
// Cell indexing, retrieval, etc.
Notebook.prototype.cell_elements = function () {
return this.element.children("div.cell");
}
Notebook.prototype.ncells = function (cell) {
return this.cell_elements().length;
}
// TODO: we are often calling cells as cells()[i], which we should optimize
// to cells(i) or a new method.
Notebook.prototype.cells = function () {
return this.cell_elements().toArray().map(function (e) {
return $(e).data("cell");
});
}
Notebook.prototype.find_cell_index = function (cell) {
var result = null;
this.cell_elements().filter(function (index) {
if ($(this).data("cell") === cell) {
result = index;
};
});
return result;
};
Notebook.prototype.index_or_selected = function (index) {
return index || this.selected_index() || 0;
}
Notebook.prototype.select = function (index) {
if (index !== undefined && index >= 0 && index < this.ncells()) {
if (this.selected_index() !== null) {
this.selected_cell().unselect();
};
this.cells()[index].select();
};
return this;
};
Notebook.prototype.select_next = function () {
var index = this.selected_index();
if (index !== null && index >= 0 && (index+1) < this.ncells()) {
this.select(index+1);
};
return this;
};
Notebook.prototype.select_prev = function () {
var index = this.selected_index();
if (index !== null && index >= 0 && (index-1) < this.ncells()) {
this.select(index-1);
};
return this;
};
Notebook.prototype.selected_index = function () {
var result = null;
this.cell_elements().filter(function (index) {
if ($(this).data("cell").selected === true) {
result = index;
};
});
return result;
};
Notebook.prototype.cell_for_msg = function (msg_id) {
var cell_id = this.msg_cell_map[msg_id];
var result = null;
this.cell_elements().filter(function (index) {
cell = $(this).data("cell");
if (cell.cell_id === cell_id) {
result = cell;
};
});
return result;
};
Notebook.prototype.selected_cell = function () {
return this.cell_elements().eq(this.selected_index()).data("cell");
}
// Cell insertion, deletion and moving.
Notebook.prototype.delete_cell = function (index) {
var i = index || this.selected_index();
if (i !== null && i >= 0 && i < this.ncells()) {
this.cell_elements().eq(i).remove();
if (i === (this.ncells())) {
this.select(i-1);
} else {
this.select(i);
};
};
return this;
};
Notebook.prototype.append_cell = function (cell) {
this.element.append(cell.element);
return this;
};
Notebook.prototype.insert_cell_after = function (cell, index) {
var ncells = this.ncells();
if (ncells === 0) {
this.append_cell(cell);
return this;
};
if (index >= 0 && index < ncells) {
this.cell_elements().eq(index).after(cell.element);
};
return this
};
Notebook.prototype.insert_cell_before = function (cell, index) {
var ncells = this.ncells();
if (ncells === 0) {
this.append_cell(cell);
return this;
};
if (index >= 0 && index < ncells) {
this.cell_elements().eq(index).before(cell.element);
};
return this;
};
Notebook.prototype.move_cell_up = function (index) {
var i = index || this.selected_index();
if (i !== null && i < this.ncells() && i > 0) {
var pivot = this.cell_elements().eq(i-1);
var tomove = this.cell_elements().eq(i);
if (pivot !== null && tomove !== null) {
tomove.detach();
pivot.before(tomove);
this.select(i-1);
};
};
return this;
}
Notebook.prototype.move_cell_down = function (index) {
var i = index || this.selected_index();
if (i !== null && i < (this.ncells()-1) && i >= 0) {
var pivot = this.cell_elements().eq(i+1)
var tomove = this.cell_elements().eq(i)
if (pivot !== null && tomove !== null) {
tomove.detach();
pivot.after(tomove);
this.select(i+1);
};
};
return this;
}
Notebook.prototype.sort_cells = function () {
var ncells = this.ncells();
var sindex = this.selected_index();
var swapped;
do {
swapped = false
for (var i=1; i<ncells; i++) {
current = this.cell_elements().eq(i).data("cell");
previous = this.cell_elements().eq(i-1).data("cell");
if (previous.input_prompt_number > current.input_prompt_number) {
this.move_cell_up(i);
swapped = true;
};
};
} while (swapped);
this.select(sindex);
return this;
};
Notebook.prototype.insert_code_cell_before = function (index) {
// TODO: Bounds check for i
var i = this.index_or_selected(index);
var cell = new CodeCell(this);
cell.set_input_prompt(this.next_prompt_number);
this.next_prompt_number = this.next_prompt_number + 1;
this.insert_cell_before(cell, i);
this.select(this.find_cell_index(cell));
return this;
}
Notebook.prototype.insert_code_cell_after = function (index) {
// TODO: Bounds check for i
var i = this.index_or_selected(index);
var cell = new CodeCell(this);
cell.set_input_prompt(this.next_prompt_number);
this.next_prompt_number = this.next_prompt_number + 1;
this.insert_cell_after(cell, i);
this.select(this.find_cell_index(cell));
return this;
}
Notebook.prototype.insert_text_cell_before = function (index) {
// TODO: Bounds check for i
var i = this.index_or_selected(index);
var cell = new TextCell(this);
cell.config_mathjax();
this.insert_cell_before(cell, i);
this.select(this.find_cell_index(cell));
return this;
}
Notebook.prototype.insert_text_cell_after = function (index) {
// TODO: Bounds check for i
var i = this.index_or_selected(index);
var cell = new TextCell(this);
cell.config_mathjax();
this.insert_cell_after(cell, i);
this.select(this.find_cell_index(cell));
return this;
}
Notebook.prototype.text_to_code = function (index) {
// TODO: Bounds check for i
var i = this.index_or_selected(index);
var source_element = this.cell_elements().eq(i);
var source_cell = source_element.data("cell");
if (source_cell instanceof TextCell) {
this.insert_code_cell_after(i);
var target_cell = this.cells()[i+1];
target_cell.set_code(source_cell.get_text());
source_element.remove();
};
};
Notebook.prototype.code_to_text = function (index) {
// TODO: Bounds check for i
var i = this.index_or_selected(index);
var source_element = this.cell_elements().eq(i);
var source_cell = source_element.data("cell");
if (source_cell instanceof CodeCell) {
this.insert_text_cell_after(i);
var target_cell = this.cells()[i+1];
var text = source_cell.get_code();
if (text === "") {text = target_cell.placeholder;};
target_cell.set_text(text);
source_element.remove();
target_cell.edit();
};
};
// Cell collapsing
Notebook.prototype.collapse = function (index) {
var i = this.index_or_selected(index);
this.cells()[i].collapse();
};
Notebook.prototype.expand = function (index) {
var i = this.index_or_selected(index);
this.cells()[i].expand();
};
// Kernel related things
Notebook.prototype.start_kernel = function () {
this.kernel = new Kernel();
this.kernel.start_kernel(this._kernel_started, this);
};
Notebook.prototype._kernel_started = function () {
console.log("Kernel started: ", this.kernel.kernel_id);
var that = this;
this.kernel.shell_channel.onmessage = function (e) {
reply = $.parseJSON(e.data);
// console.log(reply);
var msg_type = reply.header.msg_type;
var cell = that.cell_for_msg(reply.parent_header.msg_id);
if (msg_type === "execute_reply") {
cell.set_input_prompt(reply.content.execution_count);
};
};
this.kernel.iopub_channel.onmessage = function (e) {
reply = $.parseJSON(e.data);
var content = reply.content;
console.log(reply);
var msg_type = reply.header.msg_type;
var cell = that.cell_for_msg(reply.parent_header.msg_id);
if (msg_type === "stream") {
cell.expand();
cell.append_stream(content.data + "\n");
} else if (msg_type === "display_data") {
cell.expand();
cell.append_display_data(content.data);
} else if (msg_type === "pyout") {
cell.expand();
cell.append_pyout(content.data, content.execution_count)
} else if (msg_type === "pyerr") {
cell.expand();
cell.append_pyerr(content.ename, content.evalue, content.traceback);
} else if (msg_type === "status") {
if (content.execution_state === "busy") {
that.kernel.status_busy();
} else if (content.execution_state === "idle") {
that.kernel.status_idle();
};
}
};
};
// Persistance and loading
Notebook.prototype.fromJSON = function (data) {
var ncells = this.ncells();
for (var i=0; i<ncells; i++) {
// Always delete cell 0 as they get renumbered as they are deleted.
this.delete_cell(0);
};
var new_cells = data.cells;
ncells = new_cells.length;
var cell_data = null;
for (var i=0; i<ncells; i++) {
cell_data = new_cells[i];
if (cell_data.cell_type == 'code') {
this.insert_code_cell_after();
this.selected_cell().fromJSON(cell_data);
} else if (cell_data.cell_type === 'text') {
this.insert_text_cell_after();
this.selected_cell().fromJSON(cell_data);
};
};
};
Notebook.prototype.toJSON = function () {
var cells = this.cells();
var ncells = cells.length;
cell_array = new Array(ncells);
for (var i=0; i<ncells; i++) {
cell_array[i] = cells[i].toJSON();
};
json = {
cells : cell_array
};
return json
};
Notebook.prototype.test_filename = function (filename) {
if (this.notebook_filename_re.test(filename)) {
return true;
} else {
var bad_filename = $('<div/>');
bad_filename.html(
"The filename you entered (" + filename + ") is not valid. Notebook filenames must have the following form: foo.ipynb"
);
bad_filename.dialog({title: 'Invalid filename', modal: true});
return false;
};
};
Notebook.prototype.save_notebook = function (filename) {
this.filename = filename || this.filename || '';
if (this.filename === '') {
var no_filename = $('<div/>');
no_filename.html(
"This notebook has no filename, please specify a filename of the form: foo.ipynb"
);
no_filename.dialog({title: 'Missing filename', modal: true});
return;
}
if (!this.test_filename(this.filename)) {return;}
var thedata = this.toJSON();
var settings = {
processData : false,
cache : false,
type : "PUT",
data : JSON.stringify(thedata),
success : function (data, status, xhr) {console.log(data);}
};
$.ajax("/notebooks/" + this.filename, settings);
};
Notebook.prototype.load_notebook = function (filename) {
if (!this.test_filename(filename)) {return;}
var that = this;
// We do the call with settings so we can set cache to false.
var settings = {
processData : false,
cache : false,
type : "GET",
dataType : "json",
success : function (data, status, xhr) {
that.fromJSON(data);
that.filename = filename;
that.kernel.restart();
}
};
$.ajax("/notebooks/" + filename, settings);
}
//============================================================================
// Cell
//============================================================================
var Cell = function (notebook) {
this.notebook = notebook;
this.selected = false;
this.element;
this.create_element();
if (this.element !== undefined) {
this.element.data("cell", this);
this.bind_events();
}
this.cell_id = uuid();
};
Cell.prototype.grow = function(element) {
// Grow the cell by hand. This is used upon reloading from JSON, when the
// autogrow handler is not called.
var dom = element.get(0);
var lines_count = 0;
// modified split rule from
// http://stackoverflow.com/questions/2035910/how-to-get-the-number-of-lines-in-a-textarea/2036424#2036424
var lines = dom.value.split(/\r|\r\n|\n/);
lines_count = lines.length;
if (lines_count >= 1) {
dom.rows = lines_count;
} else {
dom.rows = 1;
}
};
Cell.prototype.select = function () {
this.element.addClass('ui-widget-content ui-corner-all');
this.selected = true;
// TODO: we need t test across browsers to see if both of these are needed.
// In the meantime, there should not be any harm in having them both.
this.element.find('textarea').trigger('focusin');
this.element.find('textarea').trigger('focus');
};
Cell.prototype.unselect = function () {
this.element.removeClass('ui-widget-content ui-corner-all');
this.selected = false;
};
Cell.prototype.bind_events = function () {
var that = this;
var nb = that.notebook
that.element.click(function (event) {
if (that.selected === false) {
nb.select(nb.find_cell_index(that));
};
});
that.element.focusin(function (event) {
if (that.selected === false) {
nb.select(nb.find_cell_index(that));
};
});
};
// Subclasses must implement create_element.
Cell.prototype.create_element = function () {};
//============================================================================
// CodeCell
//============================================================================
var CodeCell = function (notebook) {
this.code_mirror = null;
this.input_prompt_number = ' ';
Cell.apply(this, arguments);
};
CodeCell.prototype = new Cell();
CodeCell.prototype.create_element = function () {
var cell = $('<div></div>').addClass('cell code_cell vbox border-box-sizing');
var input = $('<div></div>').addClass('input hbox border-box-sizing');
input.append($('<div/>').addClass('prompt input_prompt monospace-font'));
var input_area = $('<div/>').addClass('input_area box-flex1 border-box-sizing');
this.code_mirror = CodeMirror(input_area.get(0), {
indentUnit : 4,
enterMode : 'flat',
tabMode: 'shift'
});
input.append(input_area);
var output = $('<div></div>').addClass('output vbox border-box-sizing');
cell.append(input).append(output);
this.element = cell;
this.collapse()
};
CodeCell.prototype.select = function () {
Cell.prototype.select.apply(this);
this.code_mirror.focus();
};
CodeCell.prototype.append_pyout = function (data, n) {
var toinsert = $("<div/>").addClass("output_area output_pyout hbox monospace-font");
toinsert.append($('<div/>').
addClass('prompt output_prompt').
html('Out[' + n + ']:')
);
this.append_display_data(data, toinsert);
toinsert.children().last().addClass("box_flex1");
this.element.find("div.output").append(toinsert);
// If we just output latex, typeset it.
if (data["text/latex"] !== undefined) {
MathJax.Hub.Queue(["Typeset",MathJax.Hub]);
};
};
CodeCell.prototype.append_pyerr = function (ename, evalue, tb) {
var s = '';
var len = tb.length;
for (var i=0; i<len; i++) {
s = s + tb[i] + '\n';
}
s = s + '\n';
this.append_stream(s);
};
CodeCell.prototype.append_display_data = function (data, element) {
console.log(data);
if (data["text/latex"] !== undefined) {
this.append_latex(data["text/latex"], element);
// If it is undefined, then we just appended to div.output, which
// makes the latex visible and we can typeset it. The typesetting
// has to be done after the latex is on the page.
if (element === undefined) {
MathJax.Hub.Queue(["Typeset",MathJax.Hub]);
};
} else if (data["image/svg+xml"] !== undefined) {
this.append_svg(data["image/svg+xml"], element);
} else if (data["image/png"] !== undefined) {
this.append_png(data["image/png"], element);
} else if (data["text/plain"] !== undefined) {
this.append_stream(data["text/plain"], element);
};
return element;
};
CodeCell.prototype.append_stream = function (data, element) {
element = element || this.element.find("div.output");
var toinsert = $("<div/>").addClass("output_area output_stream monospace-font");
toinsert.append($("<pre/>").addClass("monospace-font").html(fixConsole(data)));
element.append(toinsert);
return element;
};
CodeCell.prototype.append_svg = function (svg, element) {
element = element || this.element.find("div.output");
var toinsert = $("<div/>").addClass("output_area output_svg");
toinsert.append(svg);
element.append(toinsert);
return element;
};
CodeCell.prototype.append_png = function (png, element) {
element = element || this.element.find("div.output");
var toinsert = $("<div/>").addClass("output_area output_png");
toinsert.append($("<img/>").attr('src','data:image/png;base64,'+png));
element.append(toinsert);
return element;
};
CodeCell.prototype.append_latex = function (latex, element) {
// This method cannot do the typesetting because the latex first has to
// be on the page.
element = element || this.element.find("div.output");
var toinsert = $("<div/>").addClass("output_area output_latex monospace-font");
toinsert.append(latex);
element.append(toinsert);
return element;
}
CodeCell.prototype.clear_output = function () {
this.element.find("div.output").html("");
};
CodeCell.prototype.collapse = function () {
this.element.find('div.output').hide();
};
CodeCell.prototype.expand = function () {
this.element.find('div.output').show();
};
CodeCell.prototype.set_input_prompt = function (number) {
var n = number || ' ';
this.input_prompt_number = n
this.element.find('div.input_prompt').html('In&nbsp;[' + n + ']:');
};
CodeCell.prototype.get_code = function () {
return this.code_mirror.getValue();
};
CodeCell.prototype.set_code = function (code) {
return this.code_mirror.setValue(code);
};
CodeCell.prototype.at_top = function () {
var cursor = this.code_mirror.getCursor();
if (cursor.line === 0) {
return true;
} else {
return false;
}
};
CodeCell.prototype.at_bottom = function () {
var cursor = this.code_mirror.getCursor();
if (cursor.line === (this.code_mirror.lineCount()-1)) {
return true;
} else {
return false;
}
};
CodeCell.prototype.fromJSON = function (data) {
if (data.cell_type === 'code') {
this.set_code(data.code);
this.set_input_prompt(data.prompt_number);
};
};
CodeCell.prototype.toJSON = function () {
return {
code : this.get_code(),
cell_type : 'code',
prompt_number : this.input_prompt_number
};
};
//============================================================================
// TextCell
//============================================================================
var TextCell = function (notebook) {
Cell.apply(this, arguments);
this.placeholder = "Type <strong>HTML</strong> and LaTeX: $\\alpha^2$"
this.rendered = false;
};
TextCell.prototype = new Cell();
TextCell.prototype.create_element = function () {
var cell = $("<div>").addClass('cell text_cell').
append(
$("<textarea>" + this.placeholder + "</textarea>").
addClass('text_cell_input monospace-font').
attr('rows',1).
attr('cols',80).
autogrow()
).append(
// The tabindex=-1 makes this div focusable.
$('<div></div>').addClass('text_cell_render').attr('tabindex','-1')
)
this.element = cell;
};
TextCell.prototype.bind_events = function () {
Cell.prototype.bind_events.apply(this);
var that = this;
this.element.keydown(function (event) {
if (event.which === 13) {
if (that.rendered) {
that.edit();
event.preventDefault();
};
};
});
};
TextCell.prototype.select = function () {
Cell.prototype.select.apply(this);
var output = this.element.find("div.text_cell_render");
output.trigger('focus');
};
TextCell.prototype.edit = function () {
if (this.rendered === true) {
var text_cell = this.element;
var input = text_cell.find("textarea.text_cell_input");
var output = text_cell.find("div.text_cell_render");
output.hide();
input.show().trigger('focus');
this.rendered = false;
};
};
TextCell.prototype.render = function () {
if (this.rendered === false) {
var text_cell = this.element;
var input = text_cell.find("textarea.text_cell_input");
var output = text_cell.find("div.text_cell_render");
var text = input.val();
if (text === "") {
text = this.placeholder;
input.val(text);
};
output.html(text)
input.html(text);
MathJax.Hub.Queue(["Typeset",MathJax.Hub]);
input.hide();
output.show();
this.rendered = true;
};
};
TextCell.prototype.config_mathjax = function () {
var text_cell = this.element;
var that = this;
text_cell.click(function () {
that.edit();
}).focusout(function () {
that.render();
});
text_cell.trigger("focusout");
};
TextCell.prototype.get_text = function() {
return this.element.find("textarea.text_cell_input").val();
};
TextCell.prototype.set_text = function(text) {
this.element.find("textarea.text_cell_input").val(text);
this.element.find("textarea.text_cell_input").html(text);
this.element.find("div.text_cell_render").html(text);
};
TextCell.prototype.at_top = function () {
if (this.rendered) {
return true;
} else {
return false;
}
};
TextCell.prototype.at_bottom = function () {
if (this.rendered) {
return true;
} else {
return false;
}
};
TextCell.prototype.fromJSON = function (data) {
if (data.cell_type === 'text') {
this.set_text(data.text);
this.grow(this.element.find("textarea.text_cell_input"));
};
}
TextCell.prototype.toJSON = function () {
return {
cell_type : 'text',
text : this.get_text(),
};
};
//============================================================================
// On document ready
//============================================================================
var Kernel = function () {
this.kernel_id = null;
this.base_url = "/kernels";
this.kernel_url = null;
};
Kernel.prototype.get_msg = function (msg_type, content) {
var msg = {
header : {
msg_id : uuid(),
username : "bgranger",
session: this.session_id,
msg_type : msg_type
},
content : content,
parent_header : {}
};
return msg;
}
Kernel.prototype.start_kernel = function (callback, context) {
var that = this;
$.post(this.base_url,
function (kernel_id) {
that._handle_start_kernel(kernel_id, callback, context);
},
'json'
);
};
Kernel.prototype._handle_start_kernel = function (kernel_id, callback, context) {
this.kernel_id = kernel_id;
this.kernel_url = this.base_url + "/" + this.kernel_id;
this._start_channels();
callback.call(context);
};
Kernel.prototype._start_channels = function () {
var ws_url = "ws://127.0.0.1:8888" + this.kernel_url;
this.shell_channel = new WebSocket(ws_url + "/shell");
this.iopub_channel = new WebSocket(ws_url + "/iopub");
}
Kernel.prototype.execute = function (code) {
var content = {
code : code,
silent : false,
user_variables : [],
user_expressions : {}
};
var msg = this.get_msg("execute_request", content);
this.shell_channel.send(JSON.stringify(msg));
return msg.header.msg_id;
}
Kernel.prototype.interrupt = function () {
$.post(this.kernel_url + "/interrupt");
};
Kernel.prototype.restart = function () {
this.status_restarting();
url = this.kernel_url + "/restart"
var that = this;
$.post(url, function (kernel_id) {
console.log("Kernel restarted: " + kernel_id);
that.kernel_id = kernel_id;
that.kernel_url = that.base_url + "/" + that.kernel_id;
that.status_idle();
}, 'json');
};
Kernel.prototype.status_busy = function () {
$("#kernel_status").removeClass("status_idle");
$("#kernel_status").removeClass("status_restarting");
$("#kernel_status").addClass("status_busy");
$("#kernel_status").text("Busy");
};
Kernel.prototype.status_idle = function () {
$("#kernel_status").removeClass("status_busy");
$("#kernel_status").removeClass("status_restarting");
$("#kernel_status").addClass("status_idle");
$("#kernel_status").text("Idle");
};
Kernel.prototype.status_restarting = function () {
$("#kernel_status").removeClass("status_busy");
$("#kernel_status").removeClass("status_idle");
$("#kernel_status").addClass("status_restarting");
$("#kernel_status").text("Restarting");
};
//============================================================================
// On document ready
//============================================================================
$(document).ready(function () {
$('div#wrapper').addClass('vbox border-box-sizing')
$('div.notebook').addClass('box-flex1 border-box-sizing')
MathJax.Hub.Config({
tex2jax: {
inlineMath: [ ['$','$'], ["\\(","\\)"] ],
displayMath: [ ['$$','$$'], ["\\[","\\]"] ],
},
displayAlign: 'left', // Change this to 'center' to center equations.
"HTML-CSS": {
styles: {'.MathJax_Display': {"margin": 0}}
}
});
IPYTHON.notebook = new Notebook('div.notebook');
IPYTHON.notebook.insert_code_cell_after();
$("#menu_tabs").tabs();
$("#help_toolbar").buttonset();
$("#kernel_toolbar").buttonset();
$("#interrupt_kernel").click(function () {IPYTHON.notebook.kernel.interrupt();});
$("#restart_kernel").click(function () {IPYTHON.notebook.kernel.restart();});
$("#kernel_status").addClass("status_idle");
$("#move_cell").buttonset();
$("#move_up").button("option", "icons", {primary:"ui-icon-arrowthick-1-n"});
$("#move_up").button("option", "text", false);
$("#move_up").click(function () {IPYTHON.notebook.move_cell_up();});
$("#move_down").button("option", "icons", {primary:"ui-icon-arrowthick-1-s"});
$("#move_down").button("option", "text", false);
$("#move_down").click(function () {IPYTHON.notebook.move_cell_down();});
$("#insert_delete").buttonset();
$("#insert_cell_before").click(function () {IPYTHON.notebook.insert_code_cell_before();});
$("#insert_cell_after").click(function () {IPYTHON.notebook.insert_code_cell_after();});
$("#delete_cell").button("option", "icons", {primary:"ui-icon-closethick"});
$("#delete_cell").button("option", "text", false);
$("#delete_cell").click(function () {IPYTHON.notebook.delete_cell();});
$("#cell_type").buttonset();
$("#to_code").click(function () {IPYTHON.notebook.text_to_code();});
$("#to_text").click(function () {IPYTHON.notebook.code_to_text();});
$("#sort").buttonset();
$("#sort_cells").click(function () {IPYTHON.notebook.sort_cells();});
$("#toggle").buttonset();
$("#collapse").click(function () {IPYTHON.notebook.collapse();});
$("#expand").click(function () {IPYTHON.notebook.expand();});
});