draw2d.ServiceTask=function(){
	draw2d.Task.call(this);
	this.setTitle("服务任务");
	this.setIcon();
};
draw2d.ServiceTask.prototype=new draw2d.Task();
draw2d.ServiceTask.prototype.type="draw2d.ServiceTask";
draw2d.ServiceTask.newInstance=function(serviceTaskXMLNode){
	var task = new draw2d.ServiceTask();
	task.id=serviceTaskXMLNode.attr('id');
	task.taskId=serviceTaskXMLNode.attr('id');
	task.taskName=serviceTaskXMLNode.attr('name');
	task.setContent(serviceTaskXMLNode.attr('name'));
	return task;
};
draw2d.ServiceTask.prototype.setWorkflow=function(_5019){
	draw2d.Task.prototype.setWorkflow.call(this,_5019);
};
draw2d.ServiceTask.prototype.getContextMenu=function(){
	var menu = draw2d.Task.prototype.getContextMenu.call(this);
  return menu;
};
draw2d.ServiceTask.prototype.setIcon = function(){
	var icon=draw2d.Task.prototype.setIcon.call(this);
	icon.className="user-task-icon";
};
draw2d.ServiceTask.prototype.getStartElementXML=function(){

	var name = this.taskId;  
	var taskName = trim(this.taskName);
	if(taskName != null && taskName != "")
		name = taskName;
	var xml='<serviceTask id="'+this.taskId+'" name="'+name+'" ';
	if(this.isUseExpression){
		if(this.performerType=='assignee'){
			xml=xml+'activiti:assignee="'+this.expression+'" ';
		}else if(this.performerType=='candidateUsers'){
			xml=xml+'activiti:candidateUsers="'+this.expression+'" ';
		}else if(this.performerType=='candidateGroups'){
			xml=xml+'activiti:candidateGroups="'+this.expression+'" ';
		}
	}
	if(this.formKey != null && this.formKey != ""){
		xml=xml+'activiti:formKey="'+this.formKey+'" ';
	}
	xml=xml+'>\n';
	return xml;
};
draw2d.ServiceTask.prototype.getEndElementXML=function(){
	var xml = '</serviceTask>\n';
	return xml;
};
draw2d.ServiceTask.prototype.getDocumentationXML=function(){
	if(this.documentation==null||this.documentation=='')return '';
	var xml='<documentation>';
	xml=xml+this.documentation;
	xml=xml+'</documentation>';
	
	return xml;
};
draw2d.ServiceTask.prototype.getExtensionElementsXML=function(){
	
	if(this.listeners.getSize()==0)return '';
	var xml = '<extensionElements>\n';
	var x = this.getListenersXML();
	x = x.replace('event="undefined"','');
	xml=xml+x;
	
	xml=xml+'</extensionElements>\n';

	return xml;
};
draw2d.ServiceTask.prototype.getListenersXML=function(){
	var xml = '';  

	for(var i=0;i<this.listeners.getSize();i++){
		var listener = this.listeners.get(i);
	//	alert(listener.toXML()+"#####");
		var x = listener.toXML();
		x = x.replace('event="create"','');
	//	alert(x); 
		xml=xml+x;
	
		break;  
	}
	return xml;
};
draw2d.ServiceTask.prototype.getPerformersBPMNXML=function(){
	var xml = '';
	if(this.performerType=='candidateUsers'){
		if(this.candidateUsers.getSize()!=0){
			xml=xml+'<potentialOwner>\n';
			xml=xml+'<resourceAssignmentExpression>\n';
			xml=xml+'<formalExpression>\n';
			xml=xml+'<![CDATA[';
			for(var i=0;i<this.candidateUsers.getSize();i++){
				var user = this.candidateUsers.get(i);
				xml=xml+'user('+user.sso+'),';
			}
			xml=xml.substring(0, xml.length-1);
			xml=xml+']]>\n';
			xml=xml+'</formalExpression>\n';
			xml=xml+'</resourceAssignmentExpression>\n';
			xml=xml+'</potentialOwner>\n';
		}
	}else if(this.performerType=='candidateGroups'){
		if(this.candidateGroups.getSize()!=0){
			xml=xml+'<potentialOwner>\n';
			xml=xml+'<resourceAssignmentExpression>\n';
			xml=xml+'<formalExpression>\n';
			xml=xml+'<![CDATA[';
			for(var i=0;i<this.candidateGroups.getSize();i++){
				var group = this.candidateGroups.get(i);
				xml=xml+'group('+group+'),';
			}
			xml=xml.substring(0, xml.length-1);
			xml=xml+']]>\n';
			xml=xml+'</formalExpression>\n';
			xml=xml+'</resourceAssignmentExpression>\n';
			xml=xml+'</potentialOwner>\n';
		}
	}
	return xml;
};
draw2d.ServiceTask.prototype.toXML=function(){
	var xml=this.getStartElementXML();
	xml=xml+this.getDocumentationXML();
	xml=xml+this.getExtensionElementsXML();
	xml=xml+this.getPerformersBPMNXML();
	xml=xml+this.getEndElementXML();
//	alert(xml);
//	alert(xml);
	//<activiti:taskListener
	var s = xml.indexOf("<activiti:taskListener");
	var e = xml.lastIndexOf("</activiti:taskListener>");
	var str = xml.substring(s, e);
	
	var xs = str.substring(str.indexOf('"'), str.indexOf('>'));
	//alert(xs);
	//alert(str);

	var ms = str.substring(str.indexOf('>')+1, str.lastIndexOf('>')+1);
	//alert("@"+ms);
	//str.indexOf("class")
	
	
	var i = xml.indexOf(">");
	var xm = xml.substring(0, i);
	
	//alert(this.expression);
	//alert(xs);
	//if(xs=="null"){
	//		alert(22);
//	alert(this.expression);
//	alert(xs);
	var k = xs.split('"');
//	alert(k.length);
	if(k.length!=3){
	xs = '"'+this.expression+'"';
	}
	//} 
	if(ms!=""){
		xm+='activiti:class='+xs+'><extensionElements>'+ms+'</extensionElements> </serviceTask>';
	}else{
		xm+='activiti:class='+xs+'>'+ms+'</serviceTask>';
		
	}
	return xm;
};
draw2d.ServiceTask.prototype.toBpmnDI=function(){
	var w=this.getWidth();
	var h=this.getHeight();
	var x=this.getAbsoluteX();
	var y=this.getAbsoluteY();
	var xml='<bpmndi:BPMNShape bpmnElement="'+this.taskId+'" id="BPMNShape_'+this.taskId+'">\n';
	xml=xml+'<omgdc:Bounds height="'+h+'" width="'+w+'" x="'+x+'" y="'+y+'"/>\n';
	xml=xml+'</bpmndi:BPMNShape>\n';
	return xml;
};