function SK_FormHandler(obj_prototype)
{var key;for(key in obj_prototype){this[key]=obj_prototype[key];}}
SK_FormHandler.prototype={DOMConstruct:function(form_class,auto_id)
{this.form_class=form_class;this.auto_id=auto_id;this.events={submit:[],success:[],error:[],complete:[]}
this.$form=jQuery('#'+auto_id);var fields_list={};regex=/^([\w\-]+)(\[([^\]]+)?\])?/i,elem_list=this.$form.get(0).elements,name;for(var i=0,elem;elem=elem_list[i];i++)
{if(!elem.name)
continue;name=regex.exec(elem.name)[1];if(!fields_list[name]){fields_list[name]=$(elem);}
else{fields_list[name].add(elem);}}
for(name in this.fields){if(fields_list[name]){var fieldAutoId=this.auto_id+'-'+name;this.fields[name].construct(fields_list[name],this,fieldAutoId);}}
var handler=this;if(this.default_action){this.$form.submit(function(event){handler.submit(event,handler.default_action);return false;});}
var $btn;for(name in this.actions)
{$btn=$('#'+auto_id+'-'+name+'-button');if(!$btn.length||($btn.get(0).type=='submit'&&this.default_action)){continue;}
$btn.bind('click',{action:name},function(event){handler.submit(event,event.data.action);});}},$:function(selector,context){selector=selector.replace('#','#'+this.auto_id+'-');context=context||this.container_node;return jQuery(selector,context);},collectData:function(action_name)
{var form_data=this.$form.formToArray();var action=this.actions[action_name];var data={};var regex=/^([\w\-]+)(\[([^\]]+)?\])?(\[([^\]]+)?\])?/i;var name,match,key;for(var i=0,item;item=form_data[i];i++)
{match=regex.exec(item.name);name=match[1];item.value=item.value||'';if(typeof action.fields[name]=='undefined'){continue;}
if(match[2]){if(match[2]=='[]'){if(data[name]===undefined){data[name]=[];}
data[name].push(item.value);}
else if(match[3]){key=match[3];if(typeof data[name]=='undefined'){data[name]={length:0};}
data[name].length++;if(match[4]=='[]'){if(data[name][key]===undefined){data[name][key]=[];}
data[name][key].push(item.value);}
else if(match[5]){var sub_key=match[5];if(typeof data[name][key]=='undefined'){data[name][key]={length:0};}
data[name][key][sub_key]=item.value;}else{data[name][key]=item.value;}}}
else{data[name]=item.value;}}
var errors=[];var field,required;for(key in action.fields)
{required=action.fields[key];field=this.fields[key];var fieldAutoId=this.auto_id+'-'+key;if(data[key]&&(data[key].length!==0)){try{field.validate(data[key],required,fieldAutoId);}catch(e){var err_msg=SK_Language.text('$forms.'+this.name+'.fields.'+key+'.errors.required'
,{label:SK_Language.text('$forms.'+this.name+'.fields.'+key)});errors.push({msg:err_msg,key:key});}}
else if(required){var err_msg=SK_Language.text('$forms.'+this.name+'.fields.'+key+'.errors.required'
,{label:SK_Language.text('$forms.'+this.name+'.fields.'+key)});errors.push({msg:err_msg,key:key});}
if(data[key]&&data[key].length!==undefined){delete(data[key]['length']);}
if(errors.length==1){field.focus();}}
if(errors.length){for(var i=errors.length-1,err;err=errors[i];i--){this.error(err.msg,err.key,i==0);}
return false;}
return data;},submit:function(event,action_name,confirmed,data)
{confirmed=confirmed||false;if(!confirmed){$('.macos_msg_node').remove();$('.form_field_error',this.$form)
.next('br').remove()
.andSelf().remove();}
data=data||this.collectData(action_name);if(data)
{this.disable();this.$('#'+action_name+'-button')
.add(this.$form).addClass('in_process');var handler=this;if(this.actions[action_name].confirm_msg&&!confirmed)
{SK_confirm('<span>'+SK_Language.text(this.actions[action_name].confirm_msg)+'</span>'
,function(){handler.submit(event,action_name,true,data);}).bind('close',function(){handler.enable();handler.$('#'+action_name+'-button')
.add(handler.$form).removeClass('in_process');});return false;}
if(this.file_upload_in_process)
{var int_pointer=window.setInterval(function(){if(!handler.file_upload_in_process){window.clearInterval(int_pointer);handler.submit(event,action_name,confirmed,data);}},300);}
this.trigger('submit');jQuery.ajax({url:URL_FORM_PROCESSOR,type:'POST',data:{form:this.name,action:action_name,data:encodeURIComponent(JSON.stringify(data))},dataType:'json',success:function(response)
{if(response.debug_vars){for(var i=0,dbg_var;dbg_var=response.debug_vars[i];i++){console.debug(dbg_var);}}
if(response.errors)
{for(var i=0,error;error=response.errors[i];i++){if(error.constructor==Array){handler.error(error[0],error[1],i==0);}
else{handler.error(error);}}
handler.trigger('error');}
if(response.exec){response.exec.call(handler);}
if(response.messages){for(var i=0,msg;msg=response.messages[i];i++){handler.message(msg);}}
if(!response.errors){handler.trigger('success',[response.data]);}},complete:function(response){handler.$('#'+action_name+'-button').add(handler.$form).removeClass('in_process');handler.enable();handler.trigger('complete',[response.data]);},error:function(xhr,textStatus,errorThrown){if(xhr.responseText){SK_alert(xhr.responseText);}
else{handler.error('There is an error occurred during the post form');}
var json_e=xhr.getResponseHeader('SK-Exception');if(json_e){eval("var e = "+json_e);e.toString=function(){return e.message+"\ntrace: "+e.trace_str+"\nfile: "+e.file+" in line: "+e.line;}
SK_alert('<div>'+nl2br(e.toString())+'</div>');}}});}},disable:function(){jQuery(this.$form.get(0).elements).attr('disabled','disabled');},enable:function(){jQuery(this.$form.get(0).elements).removeAttr('disabled');},bind:function(type,func){if(this.events[type]==undefined){throw'undefined form event type "'+type+'"';}
this.events[type].push(func);},trigger:function(type,params){if(this.events[type]==undefined){throw'undefined form event type "'+type+'"';}
params=params||[];for(var i=0,func;func=this.events[type][i];i++){if(func.apply(this,params)===false){return false;}}},error:function(err_msg,field_key,focus){if(field_key){var $container=this.$('#'+field_key+'-container');$container.append('<div class="form_field_error" style="display: none"></div><br clear="all" />')
.children('.form_field_error').html(err_msg).fadeIn('fast');var $field=this.$('#'+field_key);var $_field;if($field.is('input, select, textarea')){$field.attr('disabled',false);$_field=$field;}else{$_field=$('input:eq(0), select:eq(0), textarea:eq(0)',$field.get(0)).attr('disabled',false);}
if(focus)
{$_field.focus();}}
else{SK_drawError(err_msg,-1);}},message:function(msg_text,type){SK_drawMessage(msg_text,type,-1);}}
function SK_FormFieldValidationException(message)
{this.message=message;this.toString=function(){return err_msg;}}