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var CSS = {
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ADDNEWQUESTIONBUTTONS: '.menu [data-action="addquestion"]',
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CREATENEWQUESTION: 'div.createnewquestion',
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CHOOSERDIALOGUE: 'div.chooserdialoguebody',
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CHOOSERHEADER: 'div.choosertitle'
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};
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/**
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* The questionchooser class is responsible for instantiating and displaying the question chooser
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* when viewing a quiz in editing mode.
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*
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* @class questionchooser
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* @constructor
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* @protected
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* @extends M.core.chooserdialogue
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*/
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var QUESTIONCHOOSER = function() {
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QUESTIONCHOOSER.superclass.constructor.apply(this, arguments);
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};
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Y.extend(QUESTIONCHOOSER, M.core.chooserdialogue, {
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initializer: function() {
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Y.one('body').delegate('click', this.display_dialogue, CSS.ADDNEWQUESTIONBUTTONS, this);
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},
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display_dialogue: function(e) {
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e.preventDefault();
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var dialogue = Y.one(CSS.CREATENEWQUESTION + ' ' + CSS.CHOOSERDIALOGUE),
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header = Y.one(CSS.CREATENEWQUESTION + ' ' + CSS.CHOOSERHEADER);
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if (this.container === null) {
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// Setup the dialogue, and then prepare the chooser if it's not already been set up.
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this.setup_chooser_dialogue(dialogue, header, {});
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this.prepare_chooser();
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}
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// Update all of the hidden fields within the questionbank form.
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var parameters = Y.QueryString.parse(e.currentTarget.get('search').substring(1));
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var form = this.container.one('form');
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this.parameters_to_hidden_input(parameters, form, 'returnurl');
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this.parameters_to_hidden_input(parameters, form, 'cmid');
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this.parameters_to_hidden_input(parameters, form, 'category');
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this.parameters_to_hidden_input(parameters, form, 'addonpage');
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this.parameters_to_hidden_input(parameters, form, 'appendqnumstring');
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// Display the chooser dialogue.
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this.display_chooser(e);
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},
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parameters_to_hidden_input: function(parameters, form, name) {
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var value;
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if (parameters.hasOwnProperty(name)) {
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value = parameters[name];
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} else {
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value = '';
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}
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var input = form.one('input[name=' + name + ']');
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if (!input) {
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input = form.appendChild('<input type="hidden">');
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input.set('name', name);
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}
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input.set('value', value);
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}
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}, {
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NAME: 'mod_quiz-questionchooser'
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});
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M.mod_quiz = M.mod_quiz || {};
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M.mod_quiz.init_questionchooser = function() {
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M.mod_quiz.question_chooser = new QUESTIONCHOOSER({});
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return M.mod_quiz.question_chooser;
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};
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