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//----------------------------------------------------------------------------
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// Copyright (C) 2008-2011 The IPython Development Team
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//
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// Distributed under the terms of the BSD License. The full license is in
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// the file COPYING, distributed as part of this software.
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//----------------------------------------------------------------------------
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//============================================================================
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// Notebook
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//============================================================================
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var IPython = (function (IPython) {
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var utils = IPython.utils;
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var key = IPython.utils.keycodes;
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var Notebook = function (selector) {
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this.read_only = IPython.read_only;
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this.element = $(selector);
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this.element.scroll();
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this.element.data("notebook", this);
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this.next_prompt_number = 1;
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this.kernel = null;
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this.clipboard = null;
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this.paste_enabled = false;
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this.dirty = false;
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this.metadata = {};
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// single worksheet for now
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this.worksheet_metadata = {};
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this.control_key_active = false;
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this.notebook_id = null;
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this.notebook_name = null;
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this.notebook_name_blacklist_re = /[\/\\:]/;
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this.nbformat = 3 // Increment this when changing the nbformat
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this.nbformat_minor = 0 // Increment this when changing the nbformat
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this.style();
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this.create_elements();
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this.bind_events();
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};
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Notebook.prototype.style = function () {
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$('div#notebook').addClass('border-box-sizing');
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};
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Notebook.prototype.create_elements = function () {
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// We add this end_space div to the end of the notebook div to:
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// i) provide a margin between the last cell and the end of the notebook
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// ii) to prevent the div from scrolling up when the last cell is being
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// edited, but is too low on the page, which browsers will do automatically.
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var that = this;
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var end_space = $('<div/>').addClass('end_space').height("30%");
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end_space.dblclick(function (e) {
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if (that.read_only) return;
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var ncells = that.ncells();
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that.insert_cell_below('code',ncells-1);
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});
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this.element.append(end_space);
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$('div#notebook').addClass('border-box-sizing');
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};
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Notebook.prototype.bind_events = function () {
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var that = this;
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$([IPython.events]).on('set_next_input.Notebook', function (event, data) {
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var index = that.find_cell_index(data.cell);
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var new_cell = that.insert_cell_below('code',index);
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new_cell.set_text(data.text);
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that.dirty = true;
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});
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$([IPython.events]).on('set_dirty.Notebook', function (event, data) {
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that.dirty = data.value;
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});
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$([IPython.events]).on('select.Cell', function (event, data) {
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var index = that.find_cell_index(data.cell);
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that.select(index);
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});
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$(document).keydown(function (event) {
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// console.log(event);
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if (that.read_only) return true;
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// Save (CTRL+S) or (AppleKey+S)
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//metaKey = applekey on mac
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if ((event.ctrlKey || event.metaKey) && event.keyCode==83) {
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that.save_notebook();
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event.preventDefault();
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return false;
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} else if (event.which === key.ESC) {
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// Intercept escape at highest level to avoid closing
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// websocket connection with firefox
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event.preventDefault();
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} else if (event.which === key.SHIFT) {
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// ignore shift keydown
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return true;
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}
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if (event.which === key.UPARROW && !event.shiftKey) {
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var cell = that.get_selected_cell();
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if (cell.at_top()) {
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event.preventDefault();
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that.select_prev();
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};
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} else if (event.which === key.DOWNARROW && !event.shiftKey) {
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var cell = that.get_selected_cell();
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if (cell.at_bottom()) {
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event.preventDefault();
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that.select_next();
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};
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} else if (event.which === key.ENTER && event.shiftKey) {
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that.execute_selected_cell();
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return false;
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} else if (event.which === key.ENTER && event.altKey) {
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// Execute code cell, and insert new in place
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that.execute_selected_cell();
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// Only insert a new cell, if we ended up in an already populated cell
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if (/\S/.test(that.get_selected_cell().get_text()) == true) {
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that.insert_cell_above('code');
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}
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return false;
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} else if (event.which === key.ENTER && event.ctrlKey) {
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that.execute_selected_cell({terminal:true});
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return false;
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} else if (event.which === 77 && event.ctrlKey && that.control_key_active == false) {
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that.control_key_active = true;
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return false;
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} else if (event.which === 88 && that.control_key_active) {
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// Cut selected cell = x
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that.cut_cell();
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that.control_key_active = false;
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return false;
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} else if (event.which === 67 && that.control_key_active) {
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// Copy selected cell = c
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that.copy_cell();
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that.control_key_active = false;
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return false;
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} else if (event.which === 86 && that.control_key_active) {
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// Paste selected cell = v
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that.paste_cell();
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that.control_key_active = false;
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return false;
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} else if (event.which === 68 && that.control_key_active) {
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// Delete selected cell = d
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that.delete_cell();
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that.control_key_active = false;
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return false;
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} else if (event.which === 65 && that.control_key_active) {
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// Insert code cell above selected = a
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that.insert_cell_above('code');
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that.control_key_active = false;
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return false;
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} else if (event.which === 66 && that.control_key_active) {
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// Insert code cell below selected = b
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that.insert_cell_below('code');
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that.control_key_active = false;
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return false;
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} else if (event.which === 89 && that.control_key_active) {
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// To code = y
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that.to_code();
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that.control_key_active = false;
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return false;
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} else if (event.which === 77 && that.control_key_active) {
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// To markdown = m
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that.to_markdown();
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that.control_key_active = false;
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return false;
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} else if (event.which === 84 && that.control_key_active) {
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// To Raw = t
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that.to_raw();
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that.control_key_active = false;
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return false;
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} else if (event.which === 49 && that.control_key_active) {
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// To Heading 1 = 1
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that.to_heading(undefined, 1);
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that.control_key_active = false;
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return false;
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} else if (event.which === 50 && that.control_key_active) {
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// To Heading 2 = 2
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that.to_heading(undefined, 2);
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that.control_key_active = false;
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return false;
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} else if (event.which === 51 && that.control_key_active) {
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// To Heading 3 = 3
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that.to_heading(undefined, 3);
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that.control_key_active = false;
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return false;
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} else if (event.which === 52 && that.control_key_active) {
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// To Heading 4 = 4
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that.to_heading(undefined, 4);
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that.control_key_active = false;
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return false;
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} else if (event.which === 53 && that.control_key_active) {
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// To Heading 5 = 5
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that.to_heading(undefined, 5);
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that.control_key_active = false;
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return false;
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} else if (event.which === 54 && that.control_key_active) {
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// To Heading 6 = 6
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that.to_heading(undefined, 6);
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that.control_key_active = false;
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return false;
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} else if (event.which === 79 && that.control_key_active) {
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// Toggle output = o
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if (event.shiftKey){
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that.toggle_output_scroll();
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} else {
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that.toggle_output();
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}
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that.control_key_active = false;
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return false;
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} else if (event.which === 83 && that.control_key_active) {
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// Save notebook = s
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that.save_notebook();
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that.control_key_active = false;
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return false;
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} else if (event.which === 74 && that.control_key_active) {
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// Move cell down = j
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that.move_cell_down();
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that.control_key_active = false;
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return false;
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} else if (event.which === 75 && that.control_key_active) {
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// Move cell up = k
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that.move_cell_up();
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that.control_key_active = false;
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return false;
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} else if (event.which === 80 && that.control_key_active) {
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// Select previous = p
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that.select_prev();
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that.control_key_active = false;
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return false;
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} else if (event.which === 78 && that.control_key_active) {
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// Select next = n
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that.select_next();
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that.control_key_active = false;
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return false;
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} else if (event.which === 76 && that.control_key_active) {
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// Toggle line numbers = l
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that.cell_toggle_line_numbers();
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that.control_key_active = false;
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return false;
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} else if (event.which === 73 && that.control_key_active) {
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// Interrupt kernel = i
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that.kernel.interrupt();
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that.control_key_active = false;
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return false;
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} else if (event.which === 190 && that.control_key_active) {
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// Restart kernel = . # matches qt console
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that.restart_kernel();
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that.control_key_active = false;
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return false;
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} else if (event.which === 72 && that.control_key_active) {
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// Show keyboard shortcuts = h
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IPython.quick_help.show_keyboard_shortcuts();
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that.control_key_active = false;
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return false;
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} else if (that.control_key_active) {
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that.control_key_active = false;
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return true;
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};
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return true;
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});
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var collapse_time = function(time){
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var app_height = $('div#main_app').height(); // content height
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var splitter_height = $('div#pager_splitter').outerHeight(true);
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var new_height = app_height - splitter_height;
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that.element.animate({height : new_height + 'px'}, time);
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}
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this.element.bind('collapse_pager', function (event,extrap) {
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time = (extrap != undefined) ? ((extrap.duration != undefined ) ? extrap.duration : 'fast') : 'fast';
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collapse_time(time);
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});
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var expand_time = function(time) {
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var app_height = $('div#main_app').height(); // content height
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var splitter_height = $('div#pager_splitter').outerHeight(true);
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var pager_height = $('div#pager').outerHeight(true);
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var new_height = app_height - pager_height - splitter_height;
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that.element.animate({height : new_height + 'px'}, time);
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}
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this.element.bind('expand_pager', function (event, extrap) {
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time = (extrap != undefined) ? ((extrap.duration != undefined ) ? extrap.duration : 'fast') : 'fast';
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expand_time(time);
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});
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$(window).bind('beforeunload', function () {
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// TODO: Make killing the kernel configurable.
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var kill_kernel = false;
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if (kill_kernel) {
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that.kernel.kill();
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}
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if (that.dirty && ! that.read_only) {
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return "You have unsaved changes that will be lost if you leave this page.";
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};
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// Null is the *only* return value that will make the browser not
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// pop up the "don't leave" dialog.
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return null;
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});
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};
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Notebook.prototype.scroll_to_bottom = function () {
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this.element.animate({scrollTop:this.element.get(0).scrollHeight}, 0);
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};
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Notebook.prototype.scroll_to_top = function () {
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this.element.animate({scrollTop:0}, 0);
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};
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// Cell indexing, retrieval, etc.
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Notebook.prototype.get_cell_elements = function () {
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return this.element.children("div.cell");
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};
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Notebook.prototype.get_cell_element = function (index) {
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var result = null;
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var e = this.get_cell_elements().eq(index);
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if (e.length !== 0) {
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result = e;
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}
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return result;
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};
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Notebook.prototype.ncells = function (cell) {
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return this.get_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.get_cells = function () {
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return this.get_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.get_cell = function (index) {
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var result = null;
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var ce = this.get_cell_element(index);
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if (ce !== null) {
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result = ce.data('cell');
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}
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return result;
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}
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Notebook.prototype.get_next_cell = function (cell) {
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var result = null;
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var index = this.find_cell_index(cell);
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if (index !== null && index < this.ncells()) {
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result = this.get_cell(index+1);
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}
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return result;
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}
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Notebook.prototype.get_prev_cell = function (cell) {
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var result = null;
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var index = this.find_cell_index(cell);
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if (index !== null && index > 1) {
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result = this.get_cell(index-1);
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}
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return result;
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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.get_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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var i;
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if (index === undefined || index === null) {
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i = this.get_selected_index();
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if (i === null) {
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i = 0;
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}
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} else {
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i = index;
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}
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return i;
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};
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Notebook.prototype.get_selected_cell = function () {
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var index = this.get_selected_index();
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return this.get_cell(index);
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};
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Notebook.prototype.is_valid_cell_index = function (index) {
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if (index !== null && index >= 0 && index < this.ncells()) {
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return true;
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} else {
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return false;
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};
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}
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Notebook.prototype.get_selected_index = function () {
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var result = null;
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this.get_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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// Cell selection.
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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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sindex = this.get_selected_index()
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if (sindex !== null && index !== sindex) {
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this.get_cell(sindex).unselect();
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};
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var cell = this.get_cell(index)
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|
cell.select();
|
|
|
if (cell.cell_type === 'heading') {
|
|
|
$([IPython.events]).trigger('selected_cell_type_changed.Notebook',
|
|
|
{'cell_type':cell.cell_type,level:cell.level}
|
|
|
);
|
|
|
} else {
|
|
|
$([IPython.events]).trigger('selected_cell_type_changed.Notebook',
|
|
|
{'cell_type':cell.cell_type}
|
|
|
);
|
|
|
};
|
|
|
};
|
|
|
return this;
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.select_next = function () {
|
|
|
var index = this.get_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.get_selected_index();
|
|
|
if (index !== null && index >= 0 && (index-1) < this.ncells()) {
|
|
|
this.select(index-1);
|
|
|
};
|
|
|
return this;
|
|
|
};
|
|
|
|
|
|
|
|
|
// Cell movement
|
|
|
|
|
|
Notebook.prototype.move_cell_up = function (index) {
|
|
|
var i = this.index_or_selected();
|
|
|
if (i !== null && i < this.ncells() && i > 0) {
|
|
|
var pivot = this.get_cell_element(i-1);
|
|
|
var tomove = this.get_cell_element(i);
|
|
|
if (pivot !== null && tomove !== null) {
|
|
|
tomove.detach();
|
|
|
pivot.before(tomove);
|
|
|
this.select(i-1);
|
|
|
};
|
|
|
};
|
|
|
this.dirty = true;
|
|
|
return this;
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.move_cell_down = function (index) {
|
|
|
var i = this.index_or_selected();
|
|
|
if (i !== null && i < (this.ncells()-1) && i >= 0) {
|
|
|
var pivot = this.get_cell_element(i+1);
|
|
|
var tomove = this.get_cell_element(i);
|
|
|
if (pivot !== null && tomove !== null) {
|
|
|
tomove.detach();
|
|
|
pivot.after(tomove);
|
|
|
this.select(i+1);
|
|
|
};
|
|
|
};
|
|
|
this.dirty = true;
|
|
|
return this;
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.sort_cells = function () {
|
|
|
// This is not working right now. Calling this will actually crash
|
|
|
// the browser. I think there is an infinite loop in here...
|
|
|
var ncells = this.ncells();
|
|
|
var sindex = this.get_selected_index();
|
|
|
var swapped;
|
|
|
do {
|
|
|
swapped = false;
|
|
|
for (var i=1; i<ncells; i++) {
|
|
|
current = this.get_cell(i);
|
|
|
previous = this.get_cell(i-1);
|
|
|
if (previous.input_prompt_number > current.input_prompt_number) {
|
|
|
this.move_cell_up(i);
|
|
|
swapped = true;
|
|
|
};
|
|
|
};
|
|
|
} while (swapped);
|
|
|
this.select(sindex);
|
|
|
return this;
|
|
|
};
|
|
|
|
|
|
// Insertion, deletion.
|
|
|
|
|
|
Notebook.prototype.delete_cell = function (index) {
|
|
|
var i = this.index_or_selected(index);
|
|
|
if (this.is_valid_cell_index(i)) {
|
|
|
var ce = this.get_cell_element(i);
|
|
|
ce.remove();
|
|
|
if (i === (this.ncells())) {
|
|
|
this.select(i-1);
|
|
|
} else {
|
|
|
this.select(i);
|
|
|
};
|
|
|
this.dirty = true;
|
|
|
};
|
|
|
return this;
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.insert_cell_below = function (type, index) {
|
|
|
// type = ('code','html','markdown')
|
|
|
// index = cell index or undefined to insert below selected
|
|
|
index = this.index_or_selected(index);
|
|
|
var cell = null;
|
|
|
if (this.ncells() === 0 || this.is_valid_cell_index(index)) {
|
|
|
if (type === 'code') {
|
|
|
cell = new IPython.CodeCell(this.kernel);
|
|
|
cell.set_input_prompt();
|
|
|
} else if (type === 'markdown') {
|
|
|
cell = new IPython.MarkdownCell();
|
|
|
} else if (type === 'html') {
|
|
|
cell = new IPython.HTMLCell();
|
|
|
} else if (type === 'raw') {
|
|
|
cell = new IPython.RawCell();
|
|
|
} else if (type === 'heading') {
|
|
|
cell = new IPython.HeadingCell();
|
|
|
};
|
|
|
if (cell !== null) {
|
|
|
if (this.ncells() === 0) {
|
|
|
this.element.find('div.end_space').before(cell.element);
|
|
|
} else if (this.is_valid_cell_index(index)) {
|
|
|
this.get_cell_element(index).after(cell.element);
|
|
|
};
|
|
|
cell.render();
|
|
|
this.select(this.find_cell_index(cell));
|
|
|
this.dirty = true;
|
|
|
return cell;
|
|
|
};
|
|
|
};
|
|
|
return cell;
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.insert_cell_above = function (type, index) {
|
|
|
// type = ('code','html','markdown')
|
|
|
// index = cell index or undefined to insert above selected
|
|
|
index = this.index_or_selected(index);
|
|
|
var cell = null;
|
|
|
if (this.ncells() === 0 || this.is_valid_cell_index(index)) {
|
|
|
if (type === 'code') {
|
|
|
cell = new IPython.CodeCell(this.kernel);
|
|
|
cell.set_input_prompt();
|
|
|
} else if (type === 'markdown') {
|
|
|
cell = new IPython.MarkdownCell();
|
|
|
} else if (type === 'html') {
|
|
|
cell = new IPython.HTMLCell();
|
|
|
} else if (type === 'raw') {
|
|
|
cell = new IPython.RawCell();
|
|
|
} else if (type === 'heading') {
|
|
|
cell = new IPython.HeadingCell();
|
|
|
};
|
|
|
if (cell !== null) {
|
|
|
if (this.ncells() === 0) {
|
|
|
this.element.find('div.end_space').before(cell.element);
|
|
|
} else if (this.is_valid_cell_index(index)) {
|
|
|
this.get_cell_element(index).before(cell.element);
|
|
|
};
|
|
|
cell.render();
|
|
|
this.select(this.find_cell_index(cell));
|
|
|
this.dirty = true;
|
|
|
return cell;
|
|
|
};
|
|
|
};
|
|
|
return cell;
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.to_code = function (index) {
|
|
|
var i = this.index_or_selected(index);
|
|
|
if (this.is_valid_cell_index(i)) {
|
|
|
var source_element = this.get_cell_element(i);
|
|
|
var source_cell = source_element.data("cell");
|
|
|
if (!(source_cell instanceof IPython.CodeCell)) {
|
|
|
target_cell = this.insert_cell_below('code',i);
|
|
|
var text = source_cell.get_text();
|
|
|
if (text === source_cell.placeholder) {
|
|
|
text = '';
|
|
|
}
|
|
|
target_cell.set_text(text);
|
|
|
// make this value the starting point, so that we can only undo
|
|
|
// to this state, instead of a blank cell
|
|
|
target_cell.code_mirror.clearHistory();
|
|
|
source_element.remove();
|
|
|
this.dirty = true;
|
|
|
};
|
|
|
};
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.to_markdown = function (index) {
|
|
|
var i = this.index_or_selected(index);
|
|
|
if (this.is_valid_cell_index(i)) {
|
|
|
var source_element = this.get_cell_element(i);
|
|
|
var source_cell = source_element.data("cell");
|
|
|
if (!(source_cell instanceof IPython.MarkdownCell)) {
|
|
|
target_cell = this.insert_cell_below('markdown',i);
|
|
|
var text = source_cell.get_text();
|
|
|
if (text === source_cell.placeholder) {
|
|
|
text = '';
|
|
|
};
|
|
|
// The edit must come before the set_text.
|
|
|
target_cell.edit();
|
|
|
target_cell.set_text(text);
|
|
|
// make this value the starting point, so that we can only undo
|
|
|
// to this state, instead of a blank cell
|
|
|
target_cell.code_mirror.clearHistory();
|
|
|
source_element.remove();
|
|
|
this.dirty = true;
|
|
|
};
|
|
|
};
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.to_html = function (index) {
|
|
|
var i = this.index_or_selected(index);
|
|
|
if (this.is_valid_cell_index(i)) {
|
|
|
var source_element = this.get_cell_element(i);
|
|
|
var source_cell = source_element.data("cell");
|
|
|
var target_cell = null;
|
|
|
if (!(source_cell instanceof IPython.HTMLCell)) {
|
|
|
target_cell = this.insert_cell_below('html',i);
|
|
|
var text = source_cell.get_text();
|
|
|
if (text === source_cell.placeholder) {
|
|
|
text = '';
|
|
|
};
|
|
|
// The edit must come before the set_text.
|
|
|
target_cell.edit();
|
|
|
target_cell.set_text(text);
|
|
|
// make this value the starting point, so that we can only undo
|
|
|
// to this state, instead of a blank cell
|
|
|
target_cell.code_mirror.clearHistory();
|
|
|
source_element.remove();
|
|
|
this.dirty = true;
|
|
|
};
|
|
|
};
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.to_raw = function (index) {
|
|
|
var i = this.index_or_selected(index);
|
|
|
if (this.is_valid_cell_index(i)) {
|
|
|
var source_element = this.get_cell_element(i);
|
|
|
var source_cell = source_element.data("cell");
|
|
|
var target_cell = null;
|
|
|
if (!(source_cell instanceof IPython.RawCell)) {
|
|
|
target_cell = this.insert_cell_below('raw',i);
|
|
|
var text = source_cell.get_text();
|
|
|
if (text === source_cell.placeholder) {
|
|
|
text = '';
|
|
|
};
|
|
|
// The edit must come before the set_text.
|
|
|
target_cell.edit();
|
|
|
target_cell.set_text(text);
|
|
|
// make this value the starting point, so that we can only undo
|
|
|
// to this state, instead of a blank cell
|
|
|
target_cell.code_mirror.clearHistory();
|
|
|
source_element.remove();
|
|
|
this.dirty = true;
|
|
|
};
|
|
|
};
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.to_heading = function (index, level) {
|
|
|
level = level || 1;
|
|
|
var i = this.index_or_selected(index);
|
|
|
if (this.is_valid_cell_index(i)) {
|
|
|
var source_element = this.get_cell_element(i);
|
|
|
var source_cell = source_element.data("cell");
|
|
|
var target_cell = null;
|
|
|
if (source_cell instanceof IPython.HeadingCell) {
|
|
|
source_cell.set_level(level);
|
|
|
} else {
|
|
|
target_cell = this.insert_cell_below('heading',i);
|
|
|
var text = source_cell.get_text();
|
|
|
if (text === source_cell.placeholder) {
|
|
|
text = '';
|
|
|
};
|
|
|
// The edit must come before the set_text.
|
|
|
target_cell.set_level(level);
|
|
|
target_cell.edit();
|
|
|
target_cell.set_text(text);
|
|
|
// make this value the starting point, so that we can only undo
|
|
|
// to this state, instead of a blank cell
|
|
|
target_cell.code_mirror.clearHistory();
|
|
|
source_element.remove();
|
|
|
this.dirty = true;
|
|
|
};
|
|
|
$([IPython.events]).trigger('selected_cell_type_changed.Notebook',
|
|
|
{'cell_type':'heading',level:level}
|
|
|
);
|
|
|
};
|
|
|
};
|
|
|
|
|
|
|
|
|
// Cut/Copy/Paste
|
|
|
|
|
|
Notebook.prototype.enable_paste = function () {
|
|
|
var that = this;
|
|
|
if (!this.paste_enabled) {
|
|
|
$('#paste_cell').removeClass('ui-state-disabled')
|
|
|
.on('click', function () {that.paste_cell();});
|
|
|
$('#paste_cell_above').removeClass('ui-state-disabled')
|
|
|
.on('click', function () {that.paste_cell_above();});
|
|
|
$('#paste_cell_below').removeClass('ui-state-disabled')
|
|
|
.on('click', function () {that.paste_cell_below();});
|
|
|
this.paste_enabled = true;
|
|
|
};
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.disable_paste = function () {
|
|
|
if (this.paste_enabled) {
|
|
|
$('#paste_cell').addClass('ui-state-disabled').off('click');
|
|
|
$('#paste_cell_above').addClass('ui-state-disabled').off('click');
|
|
|
$('#paste_cell_below').addClass('ui-state-disabled').off('click');
|
|
|
this.paste_enabled = false;
|
|
|
};
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.cut_cell = function () {
|
|
|
this.copy_cell();
|
|
|
this.delete_cell();
|
|
|
}
|
|
|
|
|
|
Notebook.prototype.copy_cell = function () {
|
|
|
var cell = this.get_selected_cell();
|
|
|
this.clipboard = cell.toJSON();
|
|
|
this.enable_paste();
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.paste_cell = function () {
|
|
|
if (this.clipboard !== null && this.paste_enabled) {
|
|
|
var cell_data = this.clipboard;
|
|
|
var new_cell = this.insert_cell_above(cell_data.cell_type);
|
|
|
new_cell.fromJSON(cell_data);
|
|
|
old_cell = this.get_next_cell(new_cell);
|
|
|
this.delete_cell(this.find_cell_index(old_cell));
|
|
|
this.select(this.find_cell_index(new_cell));
|
|
|
};
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.paste_cell_above = function () {
|
|
|
if (this.clipboard !== null && this.paste_enabled) {
|
|
|
var cell_data = this.clipboard;
|
|
|
var new_cell = this.insert_cell_above(cell_data.cell_type);
|
|
|
new_cell.fromJSON(cell_data);
|
|
|
};
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.paste_cell_below = function () {
|
|
|
if (this.clipboard !== null && this.paste_enabled) {
|
|
|
var cell_data = this.clipboard;
|
|
|
var new_cell = this.insert_cell_below(cell_data.cell_type);
|
|
|
new_cell.fromJSON(cell_data);
|
|
|
};
|
|
|
};
|
|
|
|
|
|
|
|
|
// Split/merge
|
|
|
|
|
|
Notebook.prototype.split_cell = function () {
|
|
|
// Todo: implement spliting for other cell types.
|
|
|
var cell = this.get_selected_cell();
|
|
|
if (cell.is_splittable()) {
|
|
|
texta = cell.get_pre_cursor();
|
|
|
textb = cell.get_post_cursor();
|
|
|
if (cell instanceof IPython.CodeCell) {
|
|
|
cell.set_text(texta);
|
|
|
var new_cell = this.insert_cell_below('code');
|
|
|
new_cell.set_text(textb);
|
|
|
} else if (cell instanceof IPython.MarkdownCell) {
|
|
|
cell.set_text(texta);
|
|
|
cell.render();
|
|
|
var new_cell = this.insert_cell_below('markdown');
|
|
|
new_cell.edit(); // editor must be visible to call set_text
|
|
|
new_cell.set_text(textb);
|
|
|
new_cell.render();
|
|
|
} else if (cell instanceof IPython.HTMLCell) {
|
|
|
cell.set_text(texta);
|
|
|
cell.render();
|
|
|
var new_cell = this.insert_cell_below('html');
|
|
|
new_cell.edit(); // editor must be visible to call set_text
|
|
|
new_cell.set_text(textb);
|
|
|
new_cell.render();
|
|
|
};
|
|
|
};
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.merge_cell_above = function () {
|
|
|
var index = this.get_selected_index();
|
|
|
var cell = this.get_cell(index);
|
|
|
if (index > 0) {
|
|
|
upper_cell = this.get_cell(index-1);
|
|
|
upper_text = upper_cell.get_text();
|
|
|
text = cell.get_text();
|
|
|
if (cell instanceof IPython.CodeCell) {
|
|
|
cell.set_text(upper_text+'\n'+text);
|
|
|
} else if (cell instanceof IPython.MarkdownCell || cell instanceof IPython.HTMLCell) {
|
|
|
cell.edit();
|
|
|
cell.set_text(upper_text+'\n'+text);
|
|
|
cell.render();
|
|
|
};
|
|
|
this.delete_cell(index-1);
|
|
|
this.select(this.find_cell_index(cell));
|
|
|
};
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.merge_cell_below = function () {
|
|
|
var index = this.get_selected_index();
|
|
|
var cell = this.get_cell(index);
|
|
|
if (index < this.ncells()-1) {
|
|
|
lower_cell = this.get_cell(index+1);
|
|
|
lower_text = lower_cell.get_text();
|
|
|
text = cell.get_text();
|
|
|
if (cell instanceof IPython.CodeCell) {
|
|
|
cell.set_text(text+'\n'+lower_text);
|
|
|
} else if (cell instanceof IPython.MarkdownCell || cell instanceof IPython.HTMLCell) {
|
|
|
cell.edit();
|
|
|
cell.set_text(text+'\n'+lower_text);
|
|
|
cell.render();
|
|
|
};
|
|
|
this.delete_cell(index+1);
|
|
|
this.select(this.find_cell_index(cell));
|
|
|
};
|
|
|
};
|
|
|
|
|
|
|
|
|
// Cell collapsing and output clearing
|
|
|
|
|
|
Notebook.prototype.collapse = function (index) {
|
|
|
var i = this.index_or_selected(index);
|
|
|
this.get_cell(i).collapse();
|
|
|
this.dirty = true;
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.expand = function (index) {
|
|
|
var i = this.index_or_selected(index);
|
|
|
this.get_cell(i).expand();
|
|
|
this.dirty = true;
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.toggle_output = function (index) {
|
|
|
var i = this.index_or_selected(index);
|
|
|
this.get_cell(i).toggle_output();
|
|
|
this.dirty = true;
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.toggle_output_scroll = function (index) {
|
|
|
var i = this.index_or_selected(index);
|
|
|
this.get_cell(i).toggle_output_scroll();
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.collapse_all_output = function () {
|
|
|
var ncells = this.ncells();
|
|
|
var cells = this.get_cells();
|
|
|
for (var i=0; i<ncells; i++) {
|
|
|
if (cells[i] instanceof IPython.CodeCell) {
|
|
|
cells[i].output_area.collapse();
|
|
|
}
|
|
|
};
|
|
|
// this should not be set if the `collapse` key is removed from nbformat
|
|
|
this.dirty = true;
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.scroll_all_output = function () {
|
|
|
var ncells = this.ncells();
|
|
|
var cells = this.get_cells();
|
|
|
for (var i=0; i<ncells; i++) {
|
|
|
if (cells[i] instanceof IPython.CodeCell) {
|
|
|
cells[i].output_area.expand();
|
|
|
cells[i].output_area.scroll_if_long(20);
|
|
|
}
|
|
|
};
|
|
|
// this should not be set if the `collapse` key is removed from nbformat
|
|
|
this.dirty = true;
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.expand_all_output = function () {
|
|
|
var ncells = this.ncells();
|
|
|
var cells = this.get_cells();
|
|
|
for (var i=0; i<ncells; i++) {
|
|
|
if (cells[i] instanceof IPython.CodeCell) {
|
|
|
cells[i].output_area.expand();
|
|
|
cells[i].output_area.unscroll_area();
|
|
|
}
|
|
|
};
|
|
|
// this should not be set if the `collapse` key is removed from nbformat
|
|
|
this.dirty = true;
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.clear_all_output = function () {
|
|
|
var ncells = this.ncells();
|
|
|
var cells = this.get_cells();
|
|
|
for (var i=0; i<ncells; i++) {
|
|
|
if (cells[i] instanceof IPython.CodeCell) {
|
|
|
cells[i].clear_output(true,true,true);
|
|
|
// Make all In[] prompts blank, as well
|
|
|
// TODO: make this configurable (via checkbox?)
|
|
|
cells[i].set_input_prompt();
|
|
|
}
|
|
|
};
|
|
|
this.dirty = true;
|
|
|
};
|
|
|
|
|
|
|
|
|
// Other cell functions: line numbers, ...
|
|
|
|
|
|
Notebook.prototype.cell_toggle_line_numbers = function() {
|
|
|
this.get_selected_cell().toggle_line_numbers();
|
|
|
};
|
|
|
|
|
|
// Kernel related things
|
|
|
|
|
|
Notebook.prototype.start_kernel = function () {
|
|
|
var base_url = $('body').data('baseKernelUrl') + "kernels";
|
|
|
this.kernel = new IPython.Kernel(base_url);
|
|
|
this.kernel.start(this.notebook_id);
|
|
|
// Now that the kernel has been created, tell the CodeCells about it.
|
|
|
var ncells = this.ncells();
|
|
|
for (var i=0; i<ncells; i++) {
|
|
|
var cell = this.get_cell(i);
|
|
|
if (cell instanceof IPython.CodeCell) {
|
|
|
cell.set_kernel(this.kernel)
|
|
|
};
|
|
|
};
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.restart_kernel = function () {
|
|
|
var that = this;
|
|
|
var dialog = $('<div/>');
|
|
|
dialog.html('Do you want to restart the current kernel? You will lose all variables defined in it.');
|
|
|
$(document).append(dialog);
|
|
|
dialog.dialog({
|
|
|
resizable: false,
|
|
|
modal: true,
|
|
|
title: "Restart kernel or continue running?",
|
|
|
closeText: '',
|
|
|
buttons : {
|
|
|
"Restart": function () {
|
|
|
that.kernel.restart();
|
|
|
$(this).dialog('close');
|
|
|
},
|
|
|
"Continue running": function () {
|
|
|
$(this).dialog('close');
|
|
|
}
|
|
|
}
|
|
|
});
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.execute_selected_cell = function (options) {
|
|
|
// add_new: should a new cell be added if we are at the end of the nb
|
|
|
// terminal: execute in terminal mode, which stays in the current cell
|
|
|
default_options = {terminal: false, add_new: true};
|
|
|
$.extend(default_options, options);
|
|
|
var that = this;
|
|
|
var cell = that.get_selected_cell();
|
|
|
var cell_index = that.find_cell_index(cell);
|
|
|
if (cell instanceof IPython.CodeCell) {
|
|
|
cell.execute();
|
|
|
} else if (cell instanceof IPython.HTMLCell) {
|
|
|
cell.render();
|
|
|
}
|
|
|
if (default_options.terminal) {
|
|
|
cell.select_all();
|
|
|
} else {
|
|
|
if ((cell_index === (that.ncells()-1)) && default_options.add_new) {
|
|
|
that.insert_cell_below('code');
|
|
|
// If we are adding a new cell at the end, scroll down to show it.
|
|
|
that.scroll_to_bottom();
|
|
|
} else {
|
|
|
that.select(cell_index+1);
|
|
|
};
|
|
|
};
|
|
|
this.dirty = true;
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.execute_all_cells = function () {
|
|
|
var ncells = this.ncells();
|
|
|
for (var i=0; i<ncells; i++) {
|
|
|
this.select(i);
|
|
|
this.execute_selected_cell({add_new:false});
|
|
|
};
|
|
|
this.scroll_to_bottom();
|
|
|
};
|
|
|
|
|
|
// Persistance and loading
|
|
|
|
|
|
Notebook.prototype.get_notebook_id = function () {
|
|
|
return this.notebook_id;
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.get_notebook_name = function () {
|
|
|
return this.notebook_name;
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.set_notebook_name = function (name) {
|
|
|
this.notebook_name = name;
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.test_notebook_name = function (nbname) {
|
|
|
nbname = nbname || '';
|
|
|
if (this.notebook_name_blacklist_re.test(nbname) == false && nbname.length>0) {
|
|
|
return true;
|
|
|
} else {
|
|
|
return false;
|
|
|
};
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.fromJSON = function (data) {
|
|
|
var ncells = this.ncells();
|
|
|
var i;
|
|
|
for (i=0; i<ncells; i++) {
|
|
|
// Always delete cell 0 as they get renumbered as they are deleted.
|
|
|
this.delete_cell(0);
|
|
|
};
|
|
|
// Save the metadata and name.
|
|
|
this.metadata = data.metadata;
|
|
|
this.notebook_name = data.metadata.name;
|
|
|
// Only handle 1 worksheet for now.
|
|
|
var worksheet = data.worksheets[0];
|
|
|
if (worksheet !== undefined) {
|
|
|
if (worksheet.metadata) {
|
|
|
this.worksheet_metadata = worksheet.metadata;
|
|
|
}
|
|
|
var new_cells = worksheet.cells;
|
|
|
ncells = new_cells.length;
|
|
|
var cell_data = null;
|
|
|
var new_cell = null;
|
|
|
for (i=0; i<ncells; i++) {
|
|
|
cell_data = new_cells[i];
|
|
|
// VERSIONHACK: plaintext -> raw
|
|
|
// handle never-released plaintext name for raw cells
|
|
|
if (cell_data.cell_type === 'plaintext'){
|
|
|
cell_data.cell_type = 'raw';
|
|
|
}
|
|
|
|
|
|
new_cell = this.insert_cell_below(cell_data.cell_type);
|
|
|
new_cell.fromJSON(cell_data);
|
|
|
};
|
|
|
};
|
|
|
if (data.worksheets.length > 1) {
|
|
|
var dialog = $('<div/>');
|
|
|
dialog.html("This notebook has " + data.worksheets.length + " worksheets, " +
|
|
|
"but this version of IPython can only handle the first. " +
|
|
|
"If you save this notebook, worksheets after the first will be lost."
|
|
|
);
|
|
|
this.element.append(dialog);
|
|
|
dialog.dialog({
|
|
|
resizable: false,
|
|
|
modal: true,
|
|
|
title: "Multiple worksheets",
|
|
|
closeText: "",
|
|
|
close: function(event, ui) {$(this).dialog('destroy').remove();},
|
|
|
buttons : {
|
|
|
"OK": function () {
|
|
|
$(this).dialog('close');
|
|
|
}
|
|
|
},
|
|
|
width: 400
|
|
|
});
|
|
|
}
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.toJSON = function () {
|
|
|
var cells = this.get_cells();
|
|
|
var ncells = cells.length;
|
|
|
var cell_array = new Array(ncells);
|
|
|
for (var i=0; i<ncells; i++) {
|
|
|
cell_array[i] = cells[i].toJSON();
|
|
|
};
|
|
|
var data = {
|
|
|
// Only handle 1 worksheet for now.
|
|
|
worksheets : [{
|
|
|
cells: cell_array,
|
|
|
metadata: this.worksheet_metadata
|
|
|
}],
|
|
|
metadata : this.metadata
|
|
|
};
|
|
|
return data;
|
|
|
};
|
|
|
|
|
|
Notebook.prototype.save_notebook = function () {
|
|
|
// We may want to move the name/id/nbformat logic inside toJSON?
|
|
|
var data = this.toJSON();
|
|
|
data.metadata.name = this.notebook_name;
|
|
|
data.nbformat = this.nbformat;
|
|
|
data.nbformat_minor = this.nbformat_minor;
|
|
|
// We do the call with settings so we can set cache to false.
|
|
|
var settings = {
|
|
|
processData : false,
|
|
|
cache : false,
|
|
|
type : "PUT",
|
|
|
data : JSON.stringify(data),
|
|
|
headers : {'Content-Type': 'application/json'},
|
|
|
success : $.proxy(this.save_notebook_success,this),
|
|
|
error : $.proxy(this.save_notebook_error,this)
|
|
|
};
|
|
|
$([IPython.events]).trigger('notebook_saving.Notebook');
|
|
|
var url = $('body').data('baseProjectUrl') + 'notebooks/' + this.notebook_id;
|
|
|
$.ajax(url, settings);
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.save_notebook_success = function (data, status, xhr) {
|
|
|
this.dirty = false;
|
|
|
$([IPython.events]).trigger('notebook_saved.Notebook');
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.save_notebook_error = function (xhr, status, error_msg) {
|
|
|
$([IPython.events]).trigger('notebook_save_failed.Notebook');
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.load_notebook = function (notebook_id) {
|
|
|
var that = this;
|
|
|
this.notebook_id = notebook_id;
|
|
|
// We do the call with settings so we can set cache to false.
|
|
|
var settings = {
|
|
|
processData : false,
|
|
|
cache : false,
|
|
|
type : "GET",
|
|
|
dataType : "json",
|
|
|
success : $.proxy(this.load_notebook_success,this),
|
|
|
error : $.proxy(this.load_notebook_error,this),
|
|
|
};
|
|
|
$([IPython.events]).trigger('notebook_loading.Notebook');
|
|
|
var url = $('body').data('baseProjectUrl') + 'notebooks/' + this.notebook_id;
|
|
|
$.ajax(url, settings);
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.load_notebook_success = function (data, status, xhr) {
|
|
|
this.fromJSON(data);
|
|
|
if (this.ncells() === 0) {
|
|
|
this.insert_cell_below('code');
|
|
|
};
|
|
|
this.dirty = false;
|
|
|
this.select(0);
|
|
|
this.scroll_to_top();
|
|
|
if (data.orig_nbformat !== undefined && data.nbformat !== data.orig_nbformat) {
|
|
|
msg = "This notebook has been converted from an older " +
|
|
|
"notebook format (v"+data.orig_nbformat+") to the current notebook " +
|
|
|
"format (v"+data.nbformat+"). The next time you save this notebook, the " +
|
|
|
"newer notebook format will be used and older verions of IPython " +
|
|
|
"may not be able to read it. To keep the older version, close the " +
|
|
|
"notebook without saving it.";
|
|
|
var dialog = $('<div/>');
|
|
|
dialog.html(msg);
|
|
|
this.element.append(dialog);
|
|
|
dialog.dialog({
|
|
|
resizable: false,
|
|
|
modal: true,
|
|
|
title: "Notebook converted",
|
|
|
closeText: "",
|
|
|
close: function(event, ui) {$(this).dialog('destroy').remove();},
|
|
|
buttons : {
|
|
|
"OK": function () {
|
|
|
$(this).dialog('close');
|
|
|
}
|
|
|
},
|
|
|
width: 400
|
|
|
});
|
|
|
} else if (data.orig_nbformat_minor !== undefined && data.nbformat_minor !== data.orig_nbformat_minor) {
|
|
|
var that = this;
|
|
|
var orig_vs = 'v' + data.nbformat + '.' + data.orig_nbformat_minor;
|
|
|
var this_vs = 'v' + data.nbformat + '.' + this.nbformat_minor;
|
|
|
msg = "This notebook is version " + orig_vs + ", but we only fully support up to " +
|
|
|
this_vs + ". You can still work with this notebook, but some features " +
|
|
|
"introduced in later notebook versions may not be available."
|
|
|
|
|
|
var dialog = $('<div/>');
|
|
|
dialog.html(msg);
|
|
|
this.element.append(dialog);
|
|
|
dialog.dialog({
|
|
|
resizable: false,
|
|
|
modal: true,
|
|
|
title: "Newer Notebook",
|
|
|
closeText: "",
|
|
|
close: function(event, ui) {$(this).dialog('destroy').remove();},
|
|
|
buttons : {
|
|
|
"OK": function () {
|
|
|
$(this).dialog('close');
|
|
|
}
|
|
|
},
|
|
|
width: 400
|
|
|
});
|
|
|
|
|
|
}
|
|
|
// Create the kernel after the notebook is completely loaded to prevent
|
|
|
// code execution upon loading, which is a security risk.
|
|
|
if (! this.read_only) {
|
|
|
this.start_kernel();
|
|
|
}
|
|
|
$([IPython.events]).trigger('notebook_loaded.Notebook');
|
|
|
};
|
|
|
|
|
|
|
|
|
Notebook.prototype.load_notebook_error = function (xhr, textStatus, errorThrow) {
|
|
|
if (xhr.status === 500) {
|
|
|
msg = "An error occurred while loading this notebook. Most likely " +
|
|
|
"this notebook is in a newer format than is supported by this " +
|
|
|
"version of IPython. This version can load notebook formats " +
|
|
|
"v"+this.nbformat+" or earlier.";
|
|
|
var dialog = $('<div/>');
|
|
|
dialog.html(msg);
|
|
|
this.element.append(dialog);
|
|
|
dialog.dialog({
|
|
|
resizable: false,
|
|
|
modal: true,
|
|
|
title: "Error loading notebook",
|
|
|
closeText: "",
|
|
|
close: function(event, ui) {$(this).dialog('destroy').remove();},
|
|
|
buttons : {
|
|
|
"OK": function () {
|
|
|
$(this).dialog('close');
|
|
|
}
|
|
|
},
|
|
|
width: 400
|
|
|
});
|
|
|
}
|
|
|
}
|
|
|
|
|
|
IPython.Notebook = Notebook;
|
|
|
|
|
|
|
|
|
return IPython;
|
|
|
|
|
|
}(IPython));
|
|
|
|
|
|
|
