//A jquery plugin to handle error response from server and the server side
//use Laravel form validator to verify fields.
(function( $ ){
var settings = {
default_msg: '請檢查必填欄位',
show_default_msg: true,
err_class_name: 'lala_error'
}
$.fn.lalavalidate = function(methodOrOptions) {
//If methodOrOptions is a method name
//console.log(methodOrOptions);
if ( methods[methodOrOptions] ) {
return methods[ methodOrOptions ].apply( this, Array.prototype.slice.call( arguments, 1 ));
} else if ( typeof methodOrOptions === 'object' || ! methodOrOptions ) {
// Default to "init"
return methods.init.apply( this, arguments );
} else {
$.error( 'Method ' + methodOrOptions + ' does not exist.' );
}
};
var methods = {
init : function(options) {
settings = $.extend(settings, options);
var err_class_name = settings.err_class_name;
//console.log(settings);return;
return this.each( function() {
var $form = $(this);
$form.find('input, select, textarea').each(function(){
var $e = $(this);
var type = $e[0].type;
if(type == 'radio' || type == 'checkbox'){
//console.log(type);
var name = $e.attr('name');
var $last = $form.find('[name="' + name + '"]:last');
$e.on('focus', function(){
var $err = $last.parent().find('.' + err_class_name);
if($err.length > 0){
$err.remove();
}
});
}else{
$e.on('focus', function(){
var $parent = $e.parent();
var $err = $parent.find('.' + err_class_name);
if($err.length > 0){
$err.remove();
}
});
}
});
});
},
show_errors: function(response){
//console.log(response);
return this.each( function() {
var $this = $(this);
//Process responseJSON first
if (typeof response.responseJSON != 'undefined') {
var json = response.responseJSON;
var errors = json.errors;
//console.log(errors);
if(settings.show_default_msg == true){
alert(settings.default_msg);
}
display_field_errors($this, errors);
}else if(typeof response.responseText != 'undefined') {
alert(response.responseText);
}else{
alert(response);
}
});
}
};
function display_field_errors($form, errors){
var err_class_name = settings.err_class_name;
for(var key in errors){
var err = errors[key];
var $el = $form.find('[name="' + key + '"]');
if($el.length != 0){
var type = $el[0].type;
if(type == 'radio' || type == 'checkbox'){
var $last = $el.last();
var $err = $last.parent().find('.' + err_class_name);
if($err.length > 0){
$err.remove();
}
var $error = $('<div class="' + err_class_name + '" style="display:block;color:#ff0000;">' + err[0] + '</div>');
$last.parent().append($error);
}else{
var $err = $el.parent().find('.' + err_class_name);
if($err.length > 0){
$err.remove();
}
var $error = $('<div class="' + err_class_name + '" style="display:block;color:#ff0000;">' + err[0] + '</div>');
$el.parent().append($error);
}
}
}
}
})( jQuery );
