62 lines
1.5 KiB
JavaScript
62 lines
1.5 KiB
JavaScript
|
/**
|
||
|
* Placeholder label
|
||
|
* https://github.com/AbleTech/jquery.placeholder-label
|
||
|
*
|
||
|
* Copyright (c) 2010 Able Technology Consulting Limited
|
||
|
* http://www.abletech.co.nz/
|
||
|
*/
|
||
|
(function($) {
|
||
|
$.placeholderLabel = {
|
||
|
placeholder_class: null,
|
||
|
add_placeholder: function(){
|
||
|
if($(this).val() == $(this).attr('placeholder')){
|
||
|
$(this).val('').removeClass($.placeholderLabel.placeholder_class);
|
||
|
}
|
||
|
},
|
||
|
remove_placeholder: function(){
|
||
|
if($(this).val() == ''){
|
||
|
$(this).val($(this).attr('placeholder')).addClass($.placeholderLabel.placeholder_class);
|
||
|
}
|
||
|
},
|
||
|
disable_placeholder_fields: function(){
|
||
|
$(this).find("input[placeholder]").each(function(){
|
||
|
if($(this).val() == $(this).attr('placeholder')){
|
||
|
$(this).val('');
|
||
|
}
|
||
|
});
|
||
|
|
||
|
return true;
|
||
|
}
|
||
|
};
|
||
|
|
||
|
$.fn.placeholderLabel = function(options) {
|
||
|
// detect modern browsers
|
||
|
var dummy = document.createElement('input');
|
||
|
if(dummy.placeholder != undefined){
|
||
|
return this;
|
||
|
}
|
||
|
|
||
|
var config = {
|
||
|
placeholder_class : 'placeholder'
|
||
|
};
|
||
|
|
||
|
if(options) $.extend(config, options);
|
||
|
|
||
|
$.placeholderLabel.placeholder_class = config.placeholder_class;
|
||
|
|
||
|
this.each(function() {
|
||
|
var input = $(this);
|
||
|
|
||
|
input.focus($.placeholderLabel.add_placeholder);
|
||
|
input.blur($.placeholderLabel.remove_placeholder);
|
||
|
|
||
|
input.triggerHandler('focus');
|
||
|
input.triggerHandler('blur');
|
||
|
|
||
|
$(this.form).submit($.placeholderLabel.disable_placeholder_fields);
|
||
|
});
|
||
|
|
||
|
return this;
|
||
|
}
|
||
|
})(jQuery);
|