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/**
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* A dialogue type designed to display an appropriate error when a generic
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* javascript error was thrown and caught.
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*
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* @module moodle-core-notification
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* @submodule moodle-core-notification-exception
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*/
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var EXCEPTION_NAME = 'Moodle exception',
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EXCEPTION;
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/**
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* Extends core Dialogue to show the exception dialogue.
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*
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* @param {Object} config Object literal specifying the dialogue configuration properties.
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* @constructor
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* @class M.core.exception
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* @extends M.core.dialogue
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*/
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EXCEPTION = function(c) {
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var config = Y.mix({}, c);
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config.width = config.width || (M.cfg.developerdebug) ? Math.floor(Y.one(document.body).get('winWidth') / 3) + 'px' : null;
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config.closeButton = true;
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// We need to allow some properties which are part of the exception
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// prototype, otherwise AttributeCore filters them during value normalisation.
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var allowlist = [
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'message',
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'name',
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'fileName',
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'lineNumber',
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'stack'
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];
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Y.Array.each(allowlist, function(k) {
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config[k] = c[k];
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});
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EXCEPTION.superclass.constructor.apply(this, [config]);
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};
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Y.extend(EXCEPTION, M.core.notification.info, {
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_hideTimeout: null,
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_keypress: null,
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initializer: function(config) {
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var content,
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self = this,
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delay = this.get('hideTimeoutDelay'),
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labelsep = M.util.get_string('labelsep', 'langconfig');
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this.get(BASE).addClass('moodle-dialogue-exception');
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this.setStdModContent(Y.WidgetStdMod.HEADER,
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'<h5 id="moodle-dialogue-' + this.get('COUNT') + '-wrap-header-text">' + Y.Escape.html(config.name) + '</h5>',
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Y.WidgetStdMod.REPLACE);
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content = Y.Node.create('<div class="moodle-exception" data-rel="fatalerror"></div>')
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.append(Y.Node.create('<div class="moodle-exception-message">' + Y.Escape.html(this.get('message')) + '</div>'))
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.append(Y.Node.create('<div class="moodle-exception-param hidden param-filename"><label>' +
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M.util.get_string('file', 'moodle') + labelsep + '</label> ' +
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Y.Escape.html(this.get('fileName')) + '</div>'))
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.append(Y.Node.create('<div class="moodle-exception-param hidden param-linenumber"><label>' +
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M.util.get_string('line', 'debug') + labelsep + '</label> ' +
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Y.Escape.html(this.get('lineNumber')) + '</div>'))
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.append(Y.Node.create('<div class="moodle-exception-param hidden param-stacktrace"><label>' +
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M.util.get_string('stacktrace', 'debug') + labelsep + '</label> <pre>' +
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this.get('stack') + '</pre></div>'));
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if (M.cfg.developerdebug) {
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content.all('.moodle-exception-param').removeClass('hidden');
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}
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this.setStdModContent(Y.WidgetStdMod.BODY, content, Y.WidgetStdMod.REPLACE);
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if (delay) {
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this._hideTimeout = setTimeout(function() {
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self.hide();
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}, delay);
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}
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this.after('visibleChange', this.visibilityChanged, this);
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this._keypress = Y.on('key', this.hide, window, 'down:13,27', this);
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this.centerDialogue();
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},
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visibilityChanged: function(e) {
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if (e.attrName === 'visible' && e.prevVal && !e.newVal) {
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if (this._keypress) {
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this._keypress.detach();
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}
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var self = this;
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setTimeout(function() {
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self.destroy();
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}, 1000);
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}
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}
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}, {
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NAME: EXCEPTION_NAME,
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CSS_PREFIX: DIALOGUE_PREFIX,
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ATTRS: {
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/**
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* The message of the alert.
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*
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* @attribute message
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* @type String
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* @default ''
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*/
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message: {
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value: ''
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},
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/**
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* The name of the alert.
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*
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* @attribute title
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* @type String
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* @default ''
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*/
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name: {
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value: ''
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},
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/**
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* The name of the file where the error was thrown.
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*
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* @attribute fileName
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* @type String
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* @default ''
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*/
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fileName: {
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value: ''
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},
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/**
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* The line number where the error was thrown.
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*
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* @attribute lineNumber
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* @type String
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* @default ''
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*/
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lineNumber: {
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value: ''
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},
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/**
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* The backtrace from the error
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*
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* @attribute lineNumber
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* @type String
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* @default ''
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*/
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stack: {
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setter: function(str) {
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var lines = Y.Escape.html(str).split("\n"),
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pattern = new RegExp('^(.+)@(' + M.cfg.wwwroot + ')?(.{0,75}).*:(\\d+)$'),
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i;
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for (i in lines) {
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lines[i] = lines[i].replace(pattern,
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"<div class='stacktrace-line'>ln: $4</div>" +
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"<div class='stacktrace-file'>$3</div>" +
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"<div class='stacktrace-call'>$1</div>");
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}
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return lines.join("\n");
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},
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value: ''
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},
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/**
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* If set, the dialogue is hidden after the specified timeout period.
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*
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* @attribute hideTimeoutDelay
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* @type Number
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* @default null
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* @optional
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*/
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hideTimeoutDelay: {
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validator: Y.Lang.isNumber,
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value: null
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}
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}
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});
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M.core.exception = EXCEPTION;
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