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var IPYTHON = {};
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//============================================================================
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// Notebook
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//============================================================================
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var Notebook = function (selector) {
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this.element = $(selector);
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this.element.scroll();
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this.element.data("notebook", this);
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this.next_prompt_number = 1;
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this.bind_events();
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};
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Notebook.prototype.bind_events = function () {
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var that = this;
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$(document).keydown(function (event) {
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console.log(event);
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if (event.which == 38 && event.shiftKey) {
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event.preventDefault();
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that.select_prev();
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} else if (event.which == 40 && event.shiftKey) {
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event.preventDefault();
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that.select_next();
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} else if (event.which == 13 && event.shiftKey) {
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// The focus is not quite working here.
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event.preventDefault();
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that.insert_code_cell_after();
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}
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});
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};
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// Cell indexing, retrieval, etc.
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Notebook.prototype.cell_elements = function () {
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return this.element.children("div.cell");
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}
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Notebook.prototype.ncells = function (cell) {
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return this.cell_elements().length;
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}
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// TODO: we are often calling cells as cells()[i], which we should optimize
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// to cells(i) or a new method.
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Notebook.prototype.cells = function () {
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return this.cell_elements().toArray().map(function (e) {
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return $(e).data("cell");
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});
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}
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Notebook.prototype.find_cell_index = function (cell) {
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var result = null;
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this.cell_elements().filter(function (index) {
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if ($(this).data("cell") === cell) {
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result = index;
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};
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});
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return result;
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};
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Notebook.prototype.index_or_selected = function (index) {
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return index || this.selected_index() || 0;
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}
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Notebook.prototype.select = function (index) {
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if (index !== undefined && index >= 0 && index < this.ncells()) {
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if (this.selected_index() !== null) {
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this.selected_cell().unselect();
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};
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this.cells()[index].select();
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};
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return this;
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};
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Notebook.prototype.select_next = function () {
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var index = this.selected_index();
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if (index !== null && index >= 0 && (index+1) < this.ncells()) {
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this.select(index+1);
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};
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return this;
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};
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Notebook.prototype.select_prev = function () {
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var index = this.selected_index();
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if (index !== null && index >= 0 && (index-1) < this.ncells()) {
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this.select(index-1);
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};
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return this;
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};
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Notebook.prototype.selected_index = function () {
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var result = null;
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this.cell_elements().filter(function (index) {
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if ($(this).data("cell").selected === true) {
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result = index;
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};
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});
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return result;
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};
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Notebook.prototype.selected_cell = function () {
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return this.cell_elements().eq(this.selected_index()).data("cell");
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}
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// Cell insertion, deletion and moving.
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Notebook.prototype.delete_cell = function (index) {
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var i = index || this.selected_index();
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if (i !== null && i >= 0 && i < this.ncells()) {
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this.cell_elements().eq(i).remove();
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if (i === (this.ncells())) {
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this.select(i-1);
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} else {
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this.select(i);
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};
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};
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return this;
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};
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Notebook.prototype.append_cell = function (cell) {
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this.element.append(cell.element);
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return this;
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};
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Notebook.prototype.insert_cell_after = function (cell, index) {
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var ncells = this.ncells();
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if (ncells === 0) {
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this.append_cell(cell);
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return this;
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};
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if (index >= 0 && index < ncells) {
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this.cell_elements().eq(index).after(cell.element);
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};
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return this
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};
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Notebook.prototype.insert_cell_before = function (cell, index) {
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var ncells = this.ncells();
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if (ncells === 0) {
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this.append_cell(cell);
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return this;
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};
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if (index >= 0 && index < ncells) {
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this.cell_elements().eq(index).before(cell.element);
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};
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return this;
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};
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Notebook.prototype.move_cell_up = function (index) {
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var i = index || this.selected_index();
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if (i !== null && i < this.ncells() && i > 0) {
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var pivot = this.cell_elements().eq(i-1);
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var tomove = this.cell_elements().eq(i);
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if (pivot !== null && tomove !== null) {
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tomove.detach();
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pivot.before(tomove);
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this.select(i-1);
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};
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};
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return this;
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}
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Notebook.prototype.move_cell_down = function (index) {
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var i = index || this.selected_index();
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if (i !== null && i < (this.ncells()-1) && i >= 0) {
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var pivot = this.cell_elements().eq(i+1)
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var tomove = this.cell_elements().eq(i)
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if (pivot !== null && tomove !== null) {
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tomove.detach();
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pivot.after(tomove);
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this.select(i+1);
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};
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};
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return this;
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}
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Notebook.prototype.sort_cells = function () {
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var ncells = this.ncells();
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var sindex = this.selected_index();
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var swapped;
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do {
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swapped = false
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for (var i=1; i<ncells; i++) {
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current = this.cell_elements().eq(i).data("cell");
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previous = this.cell_elements().eq(i-1).data("cell");
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if (previous.input_prompt_number > current.input_prompt_number) {
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this.move_cell_up(i);
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swapped = true;
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};
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};
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} while (swapped);
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this.select(sindex);
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return this;
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};
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Notebook.prototype.insert_code_cell_before = function (index) {
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// TODO: Bounds check for i
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var i = this.index_or_selected(index);
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var cell = new CodeCell(this);
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cell.set_input_prompt(this.next_prompt_number);
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this.next_prompt_number = this.next_prompt_number + 1;
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this.insert_cell_before(cell, i);
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this.select(this.find_cell_index(cell));
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return this;
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}
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Notebook.prototype.insert_code_cell_after = function (index) {
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// TODO: Bounds check for i
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var i = this.index_or_selected(index);
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var cell = new CodeCell(this);
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cell.set_input_prompt(this.next_prompt_number);
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this.next_prompt_number = this.next_prompt_number + 1;
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this.insert_cell_after(cell, i);
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this.select(this.find_cell_index(cell));
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return this;
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}
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Notebook.prototype.insert_text_cell_before = function (index) {
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// TODO: Bounds check for i
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var i = this.index_or_selected(index);
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var cell = new TextCell(this);
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cell.config_mathjax();
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this.insert_cell_before(cell, i);
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this.select(this.find_cell_index(cell));
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return this;
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}
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Notebook.prototype.insert_text_cell_after = function (index) {
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// TODO: Bounds check for i
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var i = this.index_or_selected(index);
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var cell = new TextCell(this);
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cell.config_mathjax();
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this.insert_cell_after(cell, i);
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this.select(this.find_cell_index(cell));
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return this;
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}
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Notebook.prototype.text_to_code = function (index) {
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// TODO: Bounds check for i
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var i = this.index_or_selected(index);
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var source_element = this.cell_elements().eq(i);
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var source_cell = source_element.data("cell");
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if (source_cell instanceof TextCell) {
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this.insert_code_cell_after(i);
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var target_cell = this.cells()[i+1];
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var text = source_element.find("textarea.text_cell_input").val();
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target_cell.element.find("textarea.input_area").val(text);
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source_element.remove();
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};
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};
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Notebook.prototype.code_to_text = function (index) {
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// TODO: Bounds check for i
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var i = this.index_or_selected(index);
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var source_element = this.cell_elements().eq(i);
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var source_cell = source_element.data("cell");
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if (source_cell instanceof CodeCell) {
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this.insert_text_cell_after(i);
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var target_cell = this.cells()[i+1];
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var text = source_element.find("textarea.input_area").val();
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if (text === "") {text = target_cell.placeholder;};
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target_cell.element.find("textarea.text_cell_input").val(text);
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target_cell.element.find("textarea.text_cell_input").html(text);
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target_cell.element.find("div.text_cell_render").html(text);
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source_element.remove();
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};
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};
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// Cell collapsing
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Notebook.prototype.collapse = function (index) {
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var i = this.index_or_selected(index);
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this.cells()[i].collapse();
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}
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Notebook.prototype.expand = function (index) {
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var i = this.index_or_selected(index);
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this.cells()[i].expand();
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}
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//============================================================================
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// Cell
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//============================================================================
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var Cell = function (notebook) {
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this.notebook = notebook;
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this.selected = false;
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this.element;
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this.create_element();
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if (this.element !== undefined) {
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this.element.data("cell", this);
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this.bind_events();
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}
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};
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Cell.prototype.select = function () {
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this.element.addClass('ui-widget-content ui-corner-all');
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this.selected = true;
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// TODO: we need t test across browsers to see if both of these are needed.
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// In the meantime, there should not be any harm in having them both.
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this.element.find('textarea').trigger('focusin');
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this.element.find('textarea').trigger('focus');
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};
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Cell.prototype.unselect = function () {
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this.element.removeClass('ui-widget-content ui-corner-all');
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this.selected = false;
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};
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Cell.prototype.bind_events = function () {
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var that = this;
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var nb = that.notebook
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that.element.click(function (event) {
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if (that.selected === false) {
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nb.select(nb.find_cell_index(that));
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};
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});
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that.element.focusin(function (event) {
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if (that.selected === false) {
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nb.select(nb.find_cell_index(that));
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};
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});
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};
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// Subclasses must implement create_element.
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Cell.prototype.create_element = function () {};
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//============================================================================
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// CodeCell
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//============================================================================
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var CodeCell = function (notebook) {
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Cell.apply(this, arguments);
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this.input_prompt_number = ' ';
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this.output_prompt_number = ' ';
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};
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CodeCell.prototype = new Cell();
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CodeCell.prototype.create_element = function () {
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var cell = $('<div></div>').addClass('cell code_cell')
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var input = $('<div></div>').addClass('input').append(
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$('<div/>').addClass('prompt input_prompt')
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).append(
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$('<textarea/>').addClass('input_area').
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attr('rows',1).
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attr('cols',80).
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attr('wrap','hard').
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autoGrow()
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);
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var output = $('<div></div>').addClass('output').append(
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$('<div/>').addClass('prompt output_prompt')
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).append(
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$('<div/>').addClass('output_area')
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);
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output.hide();
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cell.append(input).append(output);
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this.element = cell;
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};
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CodeCell.prototype.collapse = function () {
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this.element.find('div.output').hide();
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};
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CodeCell.prototype.expand = function () {
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this.element.find('div.output').show();
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};
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CodeCell.prototype.set_prompt = function (number) {
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this.set_input_prompt(number);
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this.set_output_prompt(number);
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};
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CodeCell.prototype.set_input_prompt = function (number) {
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var n = number || ' ';
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this.input_prompt_number = n
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this.element.find('div.input_prompt').html('In [' + n + ']:');
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};
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CodeCell.prototype.set_output_prompt = function (number) {
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var n = number || ' ';
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this.output_prompt_number = n
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this.element.find('div.output_prompt').html('Out[' + n + ']:');
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};
|
|
|
|
|
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|
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|
//============================================================================
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|
|
// TextCell
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|
|
//============================================================================
|
|
|
|
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|
|
|
var TextCell = function (notebook) {
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|
Cell.apply(this, arguments);
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|
this.placeholder = "Type <strong>HTML</strong> and LaTeX: $\\alpha^2$"
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|
};
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|
TextCell.prototype = new Cell();
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|
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|
TextCell.prototype.create_element = function () {
|
|
|
var cell = $("<div>").addClass('cell text_cell').
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|
append(
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|
$("<textarea>" + this.placeholder + "</textarea>").
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|
|
addClass('text_cell_input').
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|
attr('rows',1).
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|
|
attr('cols',80).
|
|
|
autoGrow()
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|
).append(
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|
|
$('<div></div>').addClass('text_cell_render')
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|
)
|
|
|
this.element = cell;
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|
|
};
|
|
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|
|
TextCell.prototype.select = function () {
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|
|
this.edit();
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|
|
Cell.prototype.select.apply(this);
|
|
|
};
|
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|
|
TextCell.prototype.edit = function () {
|
|
|
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');
|
|
|
};
|
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|
|
TextCell.prototype.render = function () {
|
|
|
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();
|
|
|
};
|
|
|
|
|
|
|
|
|
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");
|
|
|
};
|
|
|
|
|
|
|
|
|
//============================================================================
|
|
|
// On document ready
|
|
|
//============================================================================
|
|
|
|
|
|
|
|
|
var KernelManager = function () {
|
|
|
this.kernelid = null;
|
|
|
this.baseurl = "/kernels";
|
|
|
};
|
|
|
|
|
|
|
|
|
KernelManager.prototype.create_kernel = function () {
|
|
|
var that = this;
|
|
|
$.post(this.baseurl, function (data) {
|
|
|
that.kernelid = data;
|
|
|
}, 'json');
|
|
|
}
|
|
|
|
|
|
|
|
|
KernelManager.prototype.execute = function (code, callback) {
|
|
|
var msg = {
|
|
|
header : {msg_id : 0, username : "bgranger", session: 0},
|
|
|
msg_type : "execute_request",
|
|
|
content : {code : code}
|
|
|
};
|
|
|
var settings = {
|
|
|
data : JSON.stringify(msg),
|
|
|
processData : false,
|
|
|
contentType : "application/json",
|
|
|
success : callback,
|
|
|
type : "POST"
|
|
|
}
|
|
|
var url = this.baseurl + "/" + this.kernelid + "/" + ""
|
|
|
}
|
|
|
|
|
|
|
|
|
//============================================================================
|
|
|
// On document ready
|
|
|
//============================================================================
|
|
|
|
|
|
|
|
|
$(document).ready(function () {
|
|
|
|
|
|
MathJax.Hub.Config({
|
|
|
tex2jax: {
|
|
|
inlineMath: [ ['$','$'], ["\\(","\\)"] ],
|
|
|
displayMath: [ ['$$','$$'], ["\\[","\\]"] ],
|
|
|
}
|
|
|
});
|
|
|
|
|
|
$("ul#main_menu").wijmenu({animation:{animated: "slide", duration: 100, easing: null}});
|
|
|
IPYTHON.notebook = new Notebook('div.notebook');
|
|
|
IPYTHON.notebook.insert_code_cell_after();
|
|
|
|
|
|
$("#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();});
|
|
|
|
|
|
});
|
