/**
 * @class CM_FormField_Text
 * @extends CM_FormField_Abstract
 */
var CM_FormField_Text = CM_FormField_Abstract.extend({
	_class: 'CM_FormField_Text',

	/** @type Boolean */
	_skipTriggerChange: false,

	events: {
		'blur input': function() {
			this.trigger('blur');
		},
		'focus input': function() {
			this.trigger('focus');
		}
	},

	/**
	 * @param {String} value
	 * @param {Boolean} [skipTriggerChange]
	 */
	setValue: function(value, skipTriggerChange) {
		this._skipTriggerChange = skipTriggerChange;
		this.$('input').val(value);
		this._skipTriggerChange = false;
	},

	setFocus: function() {
		this.$('input').focus();
	},

	enableTriggerChange: function() {
		var self = this;
		var $input = this.$('input');
		var valueLast = $input.val();
		var callback = function() {
			var value = this.value;
			if (value != valueLast) {
				valueLast = value;
				if (!self._skipTriggerChange) {
					self.trigger('change');
				}
			}
		};
		// `propertychange` and `keyup` needed for IE9
		$input.on('input propertychange keyup', callback);
	}
});

/**
 * @class CM_FormField_Text
 * @extends CM_FormField_Abstract
 */
var CM_FormField_Text = CM_FormField_Abstract.extend({
	_class: 'CM_FormField_Text',

	events: {
		'blur input': function() {
			this.trigger('blur');
		},
		'focus input': function() {
			this.trigger('focus');
		}
	},

	/**
	 * @param {String} value
	 */
	setValue: function(value) {
		this.$('input').val(value);
	},

	setFocus: function() {
		this.$('input').focus();
	},

	enableTriggerChange: function() {
		var self = this;
		var $input = this.$('input');
		var valueLast = $input.val();
		var callback = function() {
			var value = this.value;
			if (value != valueLast) {
				valueLast = value;
				self.trigger('change');
			}
		};
		// IE9: `propertychange` and `keyup` needed additionally
		$input.on('input propertychange keyup', callback);
	}
});

--- 
+++ 
@@ -4,9 +4,6 @@
  */
 var CM_FormField_Text = CM_FormField_Abstract.extend({
 	_class: 'CM_FormField_Text',
-
-	/** @type Boolean */
-	_skipTriggerChange: false,
 
 	events: {
 		'blur input': function() {
@@ -19,12 +16,9 @@
 
 	/**
 	 * @param {String} value
-	 * @param {Boolean} [skipTriggerChange]
 	 */
-	setValue: function(value, skipTriggerChange) {
-		this._skipTriggerChange = skipTriggerChange;
+	setValue: function(value) {
 		this.$('input').val(value);
-		this._skipTriggerChange = false;
 	},
 
 	setFocus: function() {
@@ -39,12 +33,10 @@
 			var value = this.value;
 			if (value != valueLast) {
 				valueLast = value;
-				if (!self._skipTriggerChange) {
-					self.trigger('change');
-				}
+				self.trigger('change');
 			}
 		};
-		// `propertychange` and `keyup` needed for IE9
+		// IE9: `propertychange` and `keyup` needed additionally
 		$input.on('input propertychange keyup', callback);
 	}
 });
Introduce option to set text formField's value without triggering `change`
