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