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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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// CodeCell
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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 CodeCell = function (notebook) {
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this.code_mirror = null;
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this.input_prompt_number = null;
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this.is_completing = false;
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this.completion_cursor = null;
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this.outputs = [];
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this.collapsed = false;
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this.tooltip_timeout = null;
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IPython.Cell.apply(this, arguments);
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};
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CodeCell.prototype = new IPython.Cell();
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CodeCell.prototype.create_element = function () {
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var cell = $('<div></div>').addClass('cell border-box-sizing code_cell vbox');
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cell.attr('tabindex','2');
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var input = $('<div></div>').addClass('input hbox');
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input.append($('<div/>').addClass('prompt input_prompt'));
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var input_area = $('<div/>').addClass('input_area box-flex1');
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this.code_mirror = CodeMirror(input_area.get(0), {
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indentUnit : 4,
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mode: 'python',
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theme: 'ipython',
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readOnly: this.read_only,
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onKeyEvent: $.proxy(this.handle_codemirror_keyevent,this)
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});
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input.append(input_area);
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var output = $('<div></div>').addClass('output vbox');
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cell.append(input).append(output);
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this.element = cell;
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this.collapse();
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};
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//TODO, try to diminish the number of parameters.
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CodeCell.prototype.request_tooltip_after_time = function (pre_cursor,time){
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var that = this;
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if (pre_cursor === "" || pre_cursor === "(" ) {
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// don't do anything if line beggin with '(' or is empty
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} else {
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// Will set a timer to request tooltip in `time`
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that.tooltip_timeout = setTimeout(function(){
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IPython.notebook.request_tool_tip(that, pre_cursor)
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},time);
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}
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};
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CodeCell.prototype.handle_codemirror_keyevent = function (editor, event) {
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// This method gets called in CodeMirror's onKeyDown/onKeyPress
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// handlers and is used to provide custom key handling. Its return
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// value is used to determine if CodeMirror should ignore the event:
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// true = ignore, false = don't ignore.
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if (this.read_only){
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return false;
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}
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// note that we are comparing and setting the time to wait at each key press.
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// a better wqy might be to generate a new function on each time change and
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// assign it to CodeCell.prototype.request_tooltip_after_time
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tooltip_wait_time = this.notebook.time_before_tooltip;
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tooltip_on_tab = this.notebook.tooltip_on_tab;
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var that = this;
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// whatever key is pressed, first, cancel the tooltip request before
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// they are sent, and remove tooltip if any
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if(event.type === 'keydown' ) {
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that.remove_and_cancel_tooltip();
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};
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if (event.keyCode === 13 && (event.shiftKey || event.ctrlKey)) {
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// Always ignore shift-enter in CodeMirror as we handle it.
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return true;
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} else if (event.which === 40 && event.type === 'keypress' && tooltip_wait_time >= 0) {
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// triger aon keypress (!) otherwise inconsistent event.which depending on plateform
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// browser and keyboard layout !
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// Pressing '(' , request tooltip, don't forget to reappend it
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var cursor = editor.getCursor();
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var pre_cursor = editor.getRange({line:cursor.line,ch:0},cursor).trim()+'(';
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that.request_tooltip_after_time(pre_cursor,tooltip_wait_time);
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} else if (event.which === 38) {
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// If we are not at the top, let CM handle the up arrow and
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// prevent the global keydown handler from handling it.
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if (!that.at_top()) {
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event.stop();
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return false;
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} else {
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return true;
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};
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} else if (event.which === 40) {
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// If we are not at the bottom, let CM handle the down arrow and
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// prevent the global keydown handler from handling it.
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if (!that.at_bottom()) {
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event.stop();
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return false;
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} else {
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return true;
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};
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} else if (event.keyCode === 9 && event.type == 'keydown') {
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// Tab completion.
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var cur = editor.getCursor();
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//Do not trim here because of tooltip
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var pre_cursor = editor.getRange({line:cur.line,ch:0},cur);
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if (pre_cursor.trim() === "") {
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// Don't autocomplete if the part of the line before the cursor
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// is empty. In this case, let CodeMirror handle indentation.
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return false;
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} else if ((pre_cursor.substr(-1) === "("|| pre_cursor.substr(-1) === " ") && tooltip_on_tab ) {
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that.request_tooltip_after_time(pre_cursor,0);
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// Prevent the event from bubbling up.
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event.stop();
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// Prevent CodeMirror from handling the tab.
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return true;
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} else {
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pre_cursor.trim();
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// Autocomplete the current line.
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event.stop();
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var line = editor.getLine(cur.line);
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this.is_completing = true;
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this.completion_cursor = cur;
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IPython.notebook.complete_cell(this, line, cur.ch);
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return true;
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};
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} else if (event.keyCode === 8 && event.type == 'keydown') {
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// If backspace and the line ends with 4 spaces, remove them.
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var cur = editor.getCursor();
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var line = editor.getLine(cur.line);
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var ending = line.slice(-4);
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if (ending === ' ') {
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editor.replaceRange('',
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{line: cur.line, ch: cur.ch-4},
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{line: cur.line, ch: cur.ch}
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);
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event.stop();
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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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} else {
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// keypress/keyup also trigger on TAB press, and we don't want to
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// use those to disable tab completion.
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if (this.is_completing && event.keyCode !== 9) {
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var ed_cur = editor.getCursor();
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var cc_cur = this.completion_cursor;
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if (ed_cur.line !== cc_cur.line || ed_cur.ch !== cc_cur.ch) {
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this.is_completing = false;
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this.completion_cursor = null;
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};
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};
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return false;
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};
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return false;
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};
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CodeCell.prototype.remove_and_cancel_tooltip = function() {
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// note that we don't handle closing directly inside the calltip
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// as in the completer, because it is not focusable, so won't
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// get the event.
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if (this.tooltip_timeout != null){
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clearTimeout(this.tooltip_timeout);
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$('#tooltip').remove();
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this.tooltip_timeout = null;
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}
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}
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CodeCell.prototype.finish_tooltip = function (reply) {
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// Extract call tip data; the priority is call, init, main.
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defstring = reply.call_def;
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if (defstring == null) { defstring = reply.init_definition; }
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if (defstring == null) { defstring = reply.definition; }
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docstring = reply.call_docstring;
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if (docstring == null) { docstring = reply.init_docstring; }
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if (docstring == null) { docstring = reply.docstring; }
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if (docstring == null) { docstring = "<empty docstring>"; }
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name=reply.name;
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var that = this;
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var tooltip = $('<div/>').attr('id', 'tooltip').addClass('tooltip');
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// remove to have the tooltip not Limited in X and Y
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tooltip.addClass('smalltooltip');
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var pre=$('<pre/>').html(utils.fixConsole(docstring));
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var expandlink=$('<a/>').attr('href',"#");
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expandlink.addClass("ui-corner-all"); //rounded corner
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expandlink.attr('role',"button");
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//expandlink.addClass('ui-button');
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//expandlink.addClass('ui-state-default');
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var expandspan=$('<span/>').text('Expand');
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expandspan.addClass('ui-icon');
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expandspan.addClass('ui-icon-plus');
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expandlink.append(expandspan);
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expandlink.attr('id','expanbutton');
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expandlink.click(function(){
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tooltip.removeClass('smalltooltip');
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tooltip.addClass('bigtooltip');
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$('#expanbutton').remove();
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setTimeout(function(){that.code_mirror.focus();}, 50);
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});
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var morelink=$('<a/>').attr('href',"#");
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morelink.attr('role',"button");
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morelink.addClass('ui-button');
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//morelink.addClass("ui-corner-all"); //rounded corner
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//morelink.addClass('ui-state-default');
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var morespan=$('<span/>').text('Open in Pager');
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morespan.addClass('ui-icon');
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morespan.addClass('ui-icon-arrowstop-l-n');
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morelink.append(morespan);
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morelink.click(function(){
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var msg_id = IPython.notebook.kernel.execute(name+"?");
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IPython.notebook.msg_cell_map[msg_id] = IPython.notebook.get_selected_cell().cell_id;
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that.remove_and_cancel_tooltip();
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setTimeout(function(){that.code_mirror.focus();}, 50);
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});
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var closelink=$('<a/>').attr('href',"#");
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closelink.attr('role',"button");
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closelink.addClass('ui-button');
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//closelink.addClass("ui-corner-all"); //rounded corner
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//closelink.adClass('ui-state-default'); // grey background and blue cross
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var closespan=$('<span/>').text('Close');
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closespan.addClass('ui-icon');
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closespan.addClass('ui-icon-close');
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closelink.append(closespan);
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closelink.click(function(){
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that.remove_and_cancel_tooltip();
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setTimeout(function(){that.code_mirror.focus();}, 50);
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});
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//construct the tooltip
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tooltip.append(closelink);
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tooltip.append(expandlink);
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tooltip.append(morelink);
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if(defstring){
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defstring_html = $('<pre/>').html(utils.fixConsole(defstring));
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tooltip.append(defstring_html);
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}
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tooltip.append(pre);
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var pos = this.code_mirror.cursorCoords();
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tooltip.css('left',pos.x+'px');
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tooltip.css('top',pos.yBot+'px');
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$('body').append(tooltip);
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// issues with cross-closing if multiple tooltip in less than 5sec
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// keep it comented for now
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// setTimeout(that.remove_and_cancel_tooltip, 5000);
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};
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// As you type completer
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CodeCell.prototype.finish_completing = function (matched_text, matches) {
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if(matched_text[0]=='%'){
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completing_from_magic = true;
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completing_to_magic = false;
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} else {
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completing_from_magic = false;
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completing_to_magic = false;
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}
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//return if not completing or nothing to complete
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if (!this.is_completing || matches.length === 0) {return;}
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// for later readability
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var key = { tab:9,
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esc:27,
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backspace:8,
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space:32,
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shift:16,
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enter:13,
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// _ is 95
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isCompSymbol : function (code)
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{
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return (code > 64 && code <= 90)
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|| (code >= 97 && code <= 122)
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|| (code == 95)
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},
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dismissAndAppend : function (code)
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{
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chararr = '()[]+-/\\. ,=*'.split("");
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codearr = chararr.map(function(x){return x.charCodeAt(0)});
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return jQuery.inArray(code, codearr) != -1;
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}
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}
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// smart completion, sort kwarg ending with '='
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var newm = new Array();
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if(this.notebook.smart_completer)
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{
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kwargs = new Array();
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other = new Array();
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for(var i = 0 ; i<matches.length ; ++i){
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if(matches[i].substr(-1) === '='){
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kwargs.push(matches[i]);
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}else{other.push(matches[i]);}
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}
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newm = kwargs.concat(other);
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matches = newm;
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}
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// end sort kwargs
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// give common prefix of a array of string
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function sharedStart(A){
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shared='';
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if(A.length == 1){shared=A[0]}
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if(A.length > 1 ){
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var tem1, tem2, s, A = A.slice(0).sort();
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tem1 = A[0];
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s = tem1.length;
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tem2 = A.pop();
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while(s && tem2.indexOf(tem1) == -1){
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tem1 = tem1.substring(0, --s);
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}
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shared = tem1;
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}
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if (shared[0] == '%' && !completing_from_magic)
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{
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shared = shared.substr(1);
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return [shared, true];
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} else {
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return [shared, false];
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}
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}
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//try to check if the user is typing tab at least twice after a word
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// and completion is "done"
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fallback_on_tooltip_after = 2
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if(matches.length == 1 && matched_text === matches[0])
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{
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if(this.npressed >fallback_on_tooltip_after && this.prevmatch==matched_text)
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{
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this.request_tooltip_after_time(matched_text+'(',0);
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return;
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}
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this.prevmatch = matched_text
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this.npressed = this.npressed+1;
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}
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else
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{
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this.prevmatch = "";
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this.npressed = 0;
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}
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// end fallback on tooltip
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//==================================
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// Real completion logic start here
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var that = this;
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var cur = this.completion_cursor;
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var done = false;
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// call to dismmiss the completer
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var close = function () {
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if (done) return;
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done = true;
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if (complete != undefined)
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{complete.remove();}
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that.is_completing = false;
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that.completion_cursor = null;
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};
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// update codemirror with the typed text
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prev = matched_text
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var update = function (inserted_text, event) {
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that.code_mirror.replaceRange(
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inserted_text,
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{line: cur.line, ch: (cur.ch-matched_text.length)},
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{line: cur.line, ch: (cur.ch+prev.length-matched_text.length)}
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);
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prev = inserted_text
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if(event != null){
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event.stopPropagation();
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event.preventDefault();
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}
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};
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// insert the given text and exit the completer
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var insert = function (selected_text, event) {
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update(selected_text)
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close();
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setTimeout(function(){that.code_mirror.focus();}, 50);
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};
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// insert the curent highlited selection and exit
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var pick = function () {
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insert(select.val()[0],null);
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};
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// Define function to clear the completer, refill it with the new
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// matches, update the pseuso typing field. autopick insert match if
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// only one left, in no matches (anymore) dismiss itself by pasting
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// what the user have typed until then
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var complete_with = function(matches,typed_text,autopick,event)
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{
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// If autopick an only one match, past.
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// Used to 'pick' when pressing tab
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var prefix = '';
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if(completing_to_magic && !completing_from_magic)
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{
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prefix='%';
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}
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if (matches.length < 1) {
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insert(prefix+typed_text,event);
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if(event != null){
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event.stopPropagation();
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event.preventDefault();
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}
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} else if (autopick && matches.length == 1) {
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insert(matches[0],event);
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if(event != null){
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|
event.stopPropagation();
|
|
|
event.preventDefault();
|
|
|
}
|
|
|
return;
|
|
|
}
|
|
|
//clear the previous completion if any
|
|
|
update(prefix+typed_text,event);
|
|
|
complete.children().children().remove();
|
|
|
$('#asyoutype').html("<b>"+prefix+matched_text+"</b>"+typed_text.substr(matched_text.length));
|
|
|
select = $('#asyoutypeselect');
|
|
|
for (var i = 0; i<matches.length; ++i) {
|
|
|
select.append($('<option/>').html(matches[i]));
|
|
|
}
|
|
|
select.children().first().attr('selected','true');
|
|
|
}
|
|
|
|
|
|
// create html for completer
|
|
|
var complete = $('<div/>').addClass('completions');
|
|
|
complete.attr('id','complete');
|
|
|
complete.append($('<p/>').attr('id', 'asyoutype').html('<b>fixed part</b>user part'));//pseudo input field
|
|
|
|
|
|
var select = $('<select/>').attr('multiple','true');
|
|
|
select.attr('id', 'asyoutypeselect')
|
|
|
select.attr('size',Math.min(10,matches.length));
|
|
|
var pos = this.code_mirror.cursorCoords();
|
|
|
|
|
|
// TODO: I propose to remove enough horizontal pixel
|
|
|
// to align the text later
|
|
|
complete.css('left',pos.x+'px');
|
|
|
complete.css('top',pos.yBot+'px');
|
|
|
complete.append(select);
|
|
|
|
|
|
$('body').append(complete);
|
|
|
|
|
|
// So a first actual completion. see if all the completion start wit
|
|
|
// the same letter and complete if necessary
|
|
|
ff = sharedStart(matches)
|
|
|
fastForward = ff[0];
|
|
|
completing_to_magic = ff[1];
|
|
|
typed_characters = fastForward.substr(matched_text.length);
|
|
|
complete_with(matches,matched_text+typed_characters,true,null);
|
|
|
filterd = matches;
|
|
|
// Give focus to select, and make it filter the match as the user type
|
|
|
// by filtering the previous matches. Called by .keypress and .keydown
|
|
|
var downandpress = function (event,press_or_down) {
|
|
|
var code = event.which;
|
|
|
var autopick = false; // auto 'pick' if only one match
|
|
|
if (press_or_down === 0){
|
|
|
press = true; down = false; //Are we called from keypress or keydown
|
|
|
} else if (press_or_down == 1){
|
|
|
press = false; down = true;
|
|
|
}
|
|
|
if (code === key.shift) {
|
|
|
// nothing on Shift
|
|
|
return;
|
|
|
}
|
|
|
if (key.dismissAndAppend(code) && press) {
|
|
|
var newchar = String.fromCharCode(code);
|
|
|
typed_characters = typed_characters+newchar;
|
|
|
insert(matched_text+typed_characters,event);
|
|
|
return
|
|
|
}
|
|
|
if (code === key.enter) {
|
|
|
// Pressing ENTER will cause a pick
|
|
|
event.stopPropagation();
|
|
|
event.preventDefault();
|
|
|
pick();
|
|
|
} else if (code === 38 || code === 40) {
|
|
|
// We don't want the document keydown handler to handle UP/DOWN,
|
|
|
// but we want the default action.
|
|
|
event.stopPropagation();
|
|
|
} else if ( (code == key.backspace)||(code == key.tab && down) || press || key.isCompSymbol(code)){
|
|
|
if( key.isCompSymbol(code) && press)
|
|
|
{
|
|
|
var newchar = String.fromCharCode(code);
|
|
|
typed_characters = typed_characters+newchar;
|
|
|
} else if (code == key.tab) {
|
|
|
ff = sharedStart(matches)
|
|
|
fastForward = ff[0];
|
|
|
completing_to_magic = ff[1];
|
|
|
ffsub = fastForward.substr(matched_text.length+typed_characters.length);
|
|
|
typed_characters = typed_characters+ffsub;
|
|
|
autopick = true;
|
|
|
} else if (code == key.backspace && down) {
|
|
|
// cancel if user have erase everything, otherwise decrease
|
|
|
// what we filter with
|
|
|
event.preventDefault();
|
|
|
if (typed_characters.length <= 0)
|
|
|
{
|
|
|
insert(matched_text,event)
|
|
|
return
|
|
|
}
|
|
|
typed_characters = typed_characters.substr(0,typed_characters.length-1);
|
|
|
} else if (press && code != key.backspace && code != key.tab && code != 0){
|
|
|
insert(matched_text+typed_characters,event);
|
|
|
return
|
|
|
} else {
|
|
|
return
|
|
|
}
|
|
|
re = new RegExp("^"+"\%?"+matched_text+typed_characters,"");
|
|
|
filterd = matches.filter(function(x){return re.test(x)});
|
|
|
ff = sharedStart(filterd);
|
|
|
completing_to_magic = ff[1];
|
|
|
complete_with(filterd,matched_text+typed_characters,autopick,event);
|
|
|
} else if (code == key.esc) {
|
|
|
// dismiss the completer and go back to before invoking it
|
|
|
insert(matched_text,event);
|
|
|
} else if (press) { // abort only on .keypress or esc
|
|
|
}
|
|
|
}
|
|
|
select.keydown(function (event) {
|
|
|
downandpress(event,1)
|
|
|
});
|
|
|
select.keypress(function (event) {
|
|
|
downandpress(event,0)
|
|
|
});
|
|
|
// Double click also causes a pick.
|
|
|
// and bind the last actions.
|
|
|
select.dblclick(pick);
|
|
|
select.blur(close);
|
|
|
select.focus();
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.select = function () {
|
|
|
IPython.Cell.prototype.select.apply(this);
|
|
|
this.code_mirror.refresh();
|
|
|
this.code_mirror.focus();
|
|
|
// We used to need an additional refresh() after the focus, but
|
|
|
// it appears that this has been fixed in CM. This bug would show
|
|
|
// up on FF when a newly loaded markdown cell was edited.
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.select_all = function () {
|
|
|
var start = {line: 0, ch: 0};
|
|
|
var nlines = this.code_mirror.lineCount();
|
|
|
var last_line = this.code_mirror.getLine(nlines-1);
|
|
|
var end = {line: nlines-1, ch: last_line.length};
|
|
|
this.code_mirror.setSelection(start, end);
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.append_output = function (json) {
|
|
|
this.expand();
|
|
|
if (json.output_type === 'pyout') {
|
|
|
this.append_pyout(json);
|
|
|
} else if (json.output_type === 'pyerr') {
|
|
|
this.append_pyerr(json);
|
|
|
} else if (json.output_type === 'display_data') {
|
|
|
this.append_display_data(json);
|
|
|
} else if (json.output_type === 'stream') {
|
|
|
this.append_stream(json);
|
|
|
};
|
|
|
this.outputs.push(json);
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.create_output_area = function () {
|
|
|
var oa = $("<div/>").addClass("hbox output_area");
|
|
|
oa.append($('<div/>').addClass('prompt'));
|
|
|
return oa;
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.append_pyout = function (json) {
|
|
|
n = json.prompt_number || ' ';
|
|
|
var toinsert = this.create_output_area();
|
|
|
toinsert.find('div.prompt').addClass('output_prompt').html('Out[' + n + ']:');
|
|
|
this.append_mime_type(json, toinsert);
|
|
|
this.element.find('div.output').append(toinsert);
|
|
|
// If we just output latex, typeset it.
|
|
|
if ((json.latex !== undefined) || (json.html !== undefined)) {
|
|
|
this.typeset();
|
|
|
};
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.append_pyerr = function (json) {
|
|
|
var tb = json.traceback;
|
|
|
if (tb !== undefined && tb.length > 0) {
|
|
|
var s = '';
|
|
|
var len = tb.length;
|
|
|
for (var i=0; i<len; i++) {
|
|
|
s = s + tb[i] + '\n';
|
|
|
}
|
|
|
s = s + '\n';
|
|
|
var toinsert = this.create_output_area();
|
|
|
this.append_text(s, toinsert);
|
|
|
this.element.find('div.output').append(toinsert);
|
|
|
};
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.append_stream = function (json) {
|
|
|
// temporary fix: if stream undefined (json file written prior to this patch),
|
|
|
// default to most likely stdout:
|
|
|
if (json.stream == undefined){
|
|
|
json.stream = 'stdout';
|
|
|
}
|
|
|
var subclass = "output_"+json.stream;
|
|
|
if (this.outputs.length > 0){
|
|
|
// have at least one output to consider
|
|
|
var last = this.outputs[this.outputs.length-1];
|
|
|
if (last.output_type == 'stream' && json.stream == last.stream){
|
|
|
// latest output was in the same stream,
|
|
|
// so append directly into its pre tag
|
|
|
// escape ANSI & HTML specials:
|
|
|
var text = utils.fixConsole(json.text);
|
|
|
this.element.find('div.'+subclass).last().find('pre').append(text);
|
|
|
return;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
// If we got here, attach a new div
|
|
|
var toinsert = this.create_output_area();
|
|
|
this.append_text(json.text, toinsert, "output_stream "+subclass);
|
|
|
this.element.find('div.output').append(toinsert);
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.append_display_data = function (json) {
|
|
|
var toinsert = this.create_output_area();
|
|
|
this.append_mime_type(json, toinsert);
|
|
|
this.element.find('div.output').append(toinsert);
|
|
|
// If we just output latex, typeset it.
|
|
|
if ( (json.latex !== undefined) || (json.html !== undefined) ) {
|
|
|
this.typeset();
|
|
|
};
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.append_mime_type = function (json, element) {
|
|
|
if (json.html !== undefined) {
|
|
|
this.append_html(json.html, element);
|
|
|
} else if (json.latex !== undefined) {
|
|
|
this.append_latex(json.latex, element);
|
|
|
} else if (json.svg !== undefined) {
|
|
|
this.append_svg(json.svg, element);
|
|
|
} else if (json.png !== undefined) {
|
|
|
this.append_png(json.png, element);
|
|
|
} else if (json.jpeg !== undefined) {
|
|
|
this.append_jpeg(json.jpeg, element);
|
|
|
} else if (json.text !== undefined) {
|
|
|
this.append_text(json.text, element);
|
|
|
};
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.append_html = function (html, element) {
|
|
|
var toinsert = $("<div/>").addClass("box_flex1 output_subarea output_html rendered_html");
|
|
|
toinsert.append(html);
|
|
|
element.append(toinsert);
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.append_text = function (data, element, extra_class) {
|
|
|
var toinsert = $("<div/>").addClass("box_flex1 output_subarea output_text");
|
|
|
// escape ANSI & HTML specials in plaintext:
|
|
|
data = utils.fixConsole(data);
|
|
|
if (extra_class){
|
|
|
toinsert.addClass(extra_class);
|
|
|
}
|
|
|
toinsert.append($("<pre/>").html(data));
|
|
|
element.append(toinsert);
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.append_svg = function (svg, element) {
|
|
|
var toinsert = $("<div/>").addClass("box_flex1 output_subarea output_svg");
|
|
|
toinsert.append(svg);
|
|
|
element.append(toinsert);
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.append_png = function (png, element) {
|
|
|
var toinsert = $("<div/>").addClass("box_flex1 output_subarea output_png");
|
|
|
toinsert.append($("<img/>").attr('src','data:image/png;base64,'+png));
|
|
|
element.append(toinsert);
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.append_jpeg = function (jpeg, element) {
|
|
|
var toinsert = $("<div/>").addClass("box_flex1 output_subarea output_jpeg");
|
|
|
toinsert.append($("<img/>").attr('src','data:image/jpeg;base64,'+jpeg));
|
|
|
element.append(toinsert);
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.append_latex = function (latex, element) {
|
|
|
// This method cannot do the typesetting because the latex first has to
|
|
|
// be on the page.
|
|
|
var toinsert = $("<div/>").addClass("box_flex1 output_subarea output_latex");
|
|
|
toinsert.append(latex);
|
|
|
element.append(toinsert);
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.clear_output = function (stdout, stderr, other) {
|
|
|
var output_div = this.element.find("div.output");
|
|
|
if (stdout && stderr && other){
|
|
|
// clear all, no need for logic
|
|
|
output_div.html("");
|
|
|
this.outputs = [];
|
|
|
return;
|
|
|
}
|
|
|
// remove html output
|
|
|
// each output_subarea that has an identifying class is in an output_area
|
|
|
// which is the element to be removed.
|
|
|
if (stdout){
|
|
|
output_div.find("div.output_stdout").parent().remove();
|
|
|
}
|
|
|
if (stderr){
|
|
|
output_div.find("div.output_stderr").parent().remove();
|
|
|
}
|
|
|
if (other){
|
|
|
output_div.find("div.output_subarea").not("div.output_stderr").not("div.output_stdout").parent().remove();
|
|
|
}
|
|
|
|
|
|
// remove cleared outputs from JSON list:
|
|
|
for (var i = this.outputs.length - 1; i >= 0; i--){
|
|
|
var out = this.outputs[i];
|
|
|
var output_type = out.output_type;
|
|
|
if (output_type == "display_data" && other){
|
|
|
this.outputs.splice(i,1);
|
|
|
}else if (output_type == "stream"){
|
|
|
if (stdout && out.stream == "stdout"){
|
|
|
this.outputs.splice(i,1);
|
|
|
}else if (stderr && out.stream == "stderr"){
|
|
|
this.outputs.splice(i,1);
|
|
|
}
|
|
|
}
|
|
|
}
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.clear_input = function () {
|
|
|
this.code_mirror.setValue('');
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.collapse = function () {
|
|
|
if (!this.collapsed) {
|
|
|
this.element.find('div.output').hide();
|
|
|
this.collapsed = true;
|
|
|
};
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.expand = function () {
|
|
|
if (this.collapsed) {
|
|
|
this.element.find('div.output').show();
|
|
|
this.collapsed = false;
|
|
|
};
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.toggle_output = function () {
|
|
|
if (this.collapsed) {
|
|
|
this.expand();
|
|
|
} else {
|
|
|
this.collapse();
|
|
|
};
|
|
|
};
|
|
|
|
|
|
CodeCell.prototype.set_input_prompt = function (number) {
|
|
|
this.input_prompt_number = number;
|
|
|
var ns = number || " ";
|
|
|
this.element.find('div.input_prompt').html('In [' + ns + ']:');
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.get_text = function () {
|
|
|
return this.code_mirror.getValue();
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.set_text = function (code) {
|
|
|
return this.code_mirror.setValue(code);
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.at_top = function () {
|
|
|
var cursor = this.code_mirror.getCursor();
|
|
|
if (cursor.line === 0) {
|
|
|
return true;
|
|
|
} else {
|
|
|
return false;
|
|
|
}
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.at_bottom = function () {
|
|
|
var cursor = this.code_mirror.getCursor();
|
|
|
if (cursor.line === (this.code_mirror.lineCount()-1)) {
|
|
|
return true;
|
|
|
} else {
|
|
|
return false;
|
|
|
}
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.fromJSON = function (data) {
|
|
|
if (data.cell_type === 'code') {
|
|
|
if (data.input !== undefined) {
|
|
|
this.set_text(data.input);
|
|
|
}
|
|
|
if (data.prompt_number !== undefined) {
|
|
|
this.set_input_prompt(data.prompt_number);
|
|
|
} else {
|
|
|
this.set_input_prompt();
|
|
|
};
|
|
|
var len = data.outputs.length;
|
|
|
for (var i=0; i<len; i++) {
|
|
|
this.append_output(data.outputs[i]);
|
|
|
};
|
|
|
if (data.collapsed !== undefined) {
|
|
|
if (data.collapsed) {
|
|
|
this.collapse();
|
|
|
} else {
|
|
|
this.expand();
|
|
|
};
|
|
|
};
|
|
|
};
|
|
|
};
|
|
|
|
|
|
|
|
|
CodeCell.prototype.toJSON = function () {
|
|
|
var data = {};
|
|
|
data.input = this.get_text();
|
|
|
data.cell_type = 'code';
|
|
|
if (this.input_prompt_number) {
|
|
|
data.prompt_number = this.input_prompt_number;
|
|
|
};
|
|
|
var outputs = [];
|
|
|
var len = this.outputs.length;
|
|
|
for (var i=0; i<len; i++) {
|
|
|
outputs[i] = this.outputs[i];
|
|
|
};
|
|
|
data.outputs = outputs;
|
|
|
data.language = 'python';
|
|
|
data.collapsed = this.collapsed;
|
|
|
return data;
|
|
|
};
|
|
|
|
|
|
|
|
|
IPython.CodeCell = CodeCell;
|
|
|
|
|
|
return IPython;
|
|
|
}(IPython));
|
|
|
|
