(function(global, undefined) { var kafe = global.kafe, $ = kafe.dependencies.jQuery; kafe.bonify({name:'form', version:'1.4.2', obj:(function(){
/**
* ### Version 1.4.2
* Utilitary methods for html forms and related interactions.
*
* @module kafe
* @class kafe.form
*/
var form = {};
/**
* Adds support for the placeholder attribute for older browsers (Older than IE10). If applied, a "Placeholder" class will also be present when the placeholder text is shown.
*
* @method placeholder
* @param {String} [selector] Selector of text-based form elements. Defaults to 'input[placeholder], textarea[placeholder]' when left undefined.
* @example
* kafe.form.placeholder('.search-field');
* @example
* $('.search-field').kafe('form.placeholder');
*/
form.placeholder = function() {
var test = document.createElement('input'), placeholderSupport = false;
if ('placeholder' in test) placeholderSupport = true;
if (!placeholderSupport) {
var
_isEmpty = function () {
return (arguments[0].replace(/^\s*|\s*$/g, '').replace(/^\t*|\t*$/g, '') === '');
},
selector = 'input[placeholder], textarea[placeholder]'
;
$('body')
.on({
focus: function() {
var $this = $(this);
if (_isEmpty($this.val()) || $this.val() == $this.attr('placeholder')) {
$this.one('keydown', function() {
$this.removeClass('Placeholder').val('');
});
}
},
blur: function() {
var $this = $(this);
if (_isEmpty($this.val()) || $this.val() == $this.attr('placeholder')) {
$this.addClass('Placeholder').val($this.attr('placeholder'));
}
},
change: function() {
var $this = $(this);
if (_isEmpty($this.val()) || $this.val() == $this.attr('placeholder')) {
$this.addClass('Placeholder').val($this.attr('placeholder'));
} else {
$this.removeClass('Placeholder');
}
}
}, selector)
.on({
submit: function() {
$(selector).filter('.Placeholder').each(function() {
$(this).val('');
});
}
}, 'form');
$(selector).trigger('blur');
}
};
/**
* Adds support for a pseudo-placeholder attribute for select elements. If applied, a "Placeholder" class will also be present when the placeholder text is shown.
*
* @method selectPlaceholder
* @example
* kafe.form.selectPlaceholder();
*/
form.selectPlaceholder = function() {
$('select[data-select-placeholder!="processed"]')
.on('change.placeholder', function() {
var $this = $(this);
$this.toggleClass('placeholder', !!$this.children(':first:selected').length);
})
.attr('data-select-placeholder', 'processed')
.trigger('change.placeholder')
;
};
/**
* Detects the RETURN key, then triggers a callback.
*
* @method onEnter
* @param {String|jQueryObject|DOMElement} selector Selector of text-based form elements.
* @param {Function} callback Function to be fired by the keypress.
* @example
* kafe.form.onEnter('.search-field', function(input) {
* $(input).parents('form').submit();
* });
* @example
* $('.search-field').kafe('form.onEnter', function(input) {
* $(input).parents('form').submit();
* });
*/
form.onEnter = function(selector,callback) {
$(selector).on('keypress', function(e) {
if (((!!e.which) ? e.which : e.keyCode) == 13) {
e.preventDefault();
callback(this);
}
});
};
/**
* Automaticaly jump the focus to the next field once the maxlength has been reached.
*
* @method autofocusOnNext
* @param {String|jQueryObject|DOMElement} selector Selector of text-based form elements.
* @example
* kafe.form.autofocusOnNext('.first-name, .last-name, .email');
* @example
* $('.first-name, .last-name, .email').kafe('form.autofocusOnNext');
*/
form.autofocusOnNext = function(selector) {
$(selector).on('keyup',function(e) {
var
$this = $(this),
key = (!!e.which) ? e.which : e.keyCode
;
// tab / alt+tab / arrows
if (key != 9 && key != 16 && !(key >=36 && key <=40) && $this.val().length == $this.attr('maxlength')) {
var inputs = $('input, textarea, select');
inputs.eq( inputs.index(this)+1 ).focus().select();
}
});
};
/**
* Adds a simulated maxlength support for textarea elements.
*
* @method maxLength
* @param {String|jQueryObject|DOMElement} selector Selector of text-based form elements.
* @param {Integer} max Maximum number of characters.
* @param {Boolean} [block=false] Prevent further character entry once the limit is reached.
* @param {Function} [callback] Callback triggered when the character limit is reached. The current number of characters is provided as the first argument of the callback.
* @example
* kafe.form.maxLength('.twitter-post', 140, false, function(count) {
* console.log(count);
* });
* @example
* $('.twitter-post').kafe('form.maxLength', 140, false, function(count) {
* console.log(count);
* });
*/
form.maxLength = function(selector, max, block, callback) {
$(selector)
.on('input paste cut keyup',function(e) {
var
$this = $(this),
delay = (kafe.env.ie && kafe.env.ie < 9) ? 1 : 0
;
setTimeout(function(){
var
val = $this.val(),
nb = max - val.length
;
if (!!block && nb < 0) {
$this.val(val.toString().substr(0,max));
nb = 0;
}
if ($.isFunction(callback)) {
callback(nb);
}
},delay);
})
.trigger('keyup')
;
};
/**
* Calculates the password strength value of given fields.
*
* @method passwordStrength
* @param {String|jQueryObject|DOMElement} selector Selector of text-based form elements.
* @param {Function} [callback] Callback triggered when the value is changed. The calculated strengh value is provided as the first argument of the callback.
* @example
* kafe.form.passwordStrength('.password', function(strengh) {
* console.log(strengh);
* });
* @example
* $('.password').kafe('form.passwordStrength', function(strengh) {
* console.log(strengh);
* });
*/
form.passwordStrength = function(selector, callback) {
var
_countRegexp = function (val, rex) {
var match = val.match(rex);
return match ? match.length : 0;
},
_getStrength = function (val, minLength) {
var len = val.length;
// too short =(
if (len < minLength) {
return 0;
}
var
nums = _countRegexp(val, /\d/g),
lowers = _countRegexp(val, /[a-z]/g),
uppers = _countRegexp(val, /[A-Z]/g),
specials = len - nums - lowers - uppers
;
// just one type of characters =(
if (nums == len || lowers == len || uppers == len || specials == len) {
return 1;
}
var strength = 0;
if (nums) { strength += 2; }
if (lowers) { strength += uppers ? 4 : 3; }
if (uppers) { strength += lowers ? 4 : 3; }
if (specials) { strength += 5; }
if (len > 10) { strength += 1; }
return strength;
},
_getStrengthLevel = function(val, minLength) {
var
strength = _getStrength(val, minLength),
lvl = 1
;
if (strength <= 0) {
lvl = 1;
} else if (strength > 0 && strength <= 4) {
lvl = 2;
} else if (strength > 4 && strength <= 8) {
lvl = 3;
} else if (strength > 8 && strength <= 12) {
lvl = 4;
} else if (strength > 12) {
lvl = 5;
}
return lvl;
},
min_length = 6
;
$(selector)
.on('input paste cut keyup',function(e) {
var
$this = $(this),
delay = (kafe.env.ie && kafe.env.ie < 9) ? 1 : 0
;
setTimeout(function(){
var
val = $this.val(),
strength = _getStrengthLevel(val, min_length)
;
if ($.isFunction(callback)) {
callback(strength);
}
},delay);
})
;
};
/**
* Sanitize form text entry for .NET validator.
*
* @method sanitizeFormData
* @param {String|jQueryObject|DOMElement} selector Reference to the current .NET form.
* @example
* kafe.form.sanitizeFormData('#Form1');
* @example
* $('#Form1').form('form.sanitizeFormData');
*/
form.sanitizeFormData = function(selector) {
var
$form = $(selector),
data = $form.serializeArray()
;
for (var i in data) {
$form.find('input[type="text"][name="'+data[i].name+'"],textarea[name="'+data[i].name+'"]').val(
data[i].value.toString()
.replace(/</g,'<')
.replace(/>/g,'>')
);
}
};
/**
* Replace elements with a submit button
*
* @method replaceSubmit
* @param {String|jQueryObject|DOMElement} [selector='input:submit'] Elements to replace
* @example
* kafe.form.replaceSubmit();
* @example
* $('.Search input:submit').kafe('form.replaceSubmit');
*/
form.replaceSubmit = function(selector) {
( (selector) ? $(selector) : $('input:submit') ).each(function() {
var $this = $(this);
$this
.hide()
.after( $('<button type="submit" data-kafe-replacesubmit-processed="true" class="'+ $this.attr('class') +'">'+ $this.val() +'</button>').on('click', function(e) { e.preventDefault(); $this.trigger('click'); }) )
;
});
};
// Add as jQuery plugin
kafe.fn.plugIntojQuery('', {
'form.placeholder': function(obj, parameters) {
form.placeholder(obj);
},
'form.onEnter': function(obj, parameters) {
form.onEnter(obj, parameters[0]);
},
'form.autofocusOnNext': function(obj, parameters) {
form.autofocusOnNext(obj);
},
'form.maxLength': function(obj, parameters) {
form.maxLength(obj, parameters[0]);
},
'form.passwordStrength': function(obj, parameters) {
form.passwordStrength(obj, parameters[0]);
},
'form.sanitizeFormData': function(obj, parameters) {
form.sanitizeFormData(obj);
},
'form.replaceSubmit': function(obj, parameters) {
form.replaceSubmit(obj);
}
});
return form;
})()}); })(typeof window !== 'undefined' ? window : this);
kafe 3.2.10