/*
This software is allowed to use under GPL or you need to obtain Commercial or Enterise License
to use it in non-GPL project. Please contact sales@dhtmlx.com for details
*/
scheduler.date.add_agenda = function(date){
	return scheduler.date.add(date, 1, "year");
};

scheduler.templates.agenda_time = function(start,end,ev){
	if (ev._timed) 
		return this.day_date(ev.start_date, ev.end_date, ev)+" "+this.event_date(start);
	else
		return scheduler.templates.day_date(start)+" – "+scheduler.templates.day_date(end);
};
scheduler.templates.agenda_text = function(start,end,event){
	return event.text;
};
scheduler.templates.agenda_date = function(){ return ""; };

scheduler.date.agenda_start=function(){ return scheduler.date.date_part(new Date()); };

scheduler.attachEvent("onTemplatesReady",function() {
	var old_dblclick_dhx_cal_data = scheduler.dblclick_dhx_cal_data;
	scheduler.dblclick_dhx_cal_data = function() {
		if (this._mode == "agenda") {
			if (!this.config.readonly && this.config.dblclick_create)
				this.addEventNow();
		} else {
			if (old_dblclick_dhx_cal_data)
				return old_dblclick_dhx_cal_data.apply(this, arguments);
		}
	};
	scheduler.attachEvent("onSchedulerResize",function(){
	if (this._mode == "agenda"){
		this.agenda_view(true);
		return false;
	}
		return true;
	});
	
	
	var old = scheduler.render_data;
	scheduler.render_data=function(evs){
		if (this._mode == "agenda")
			fill_agenda_tab();
		else
			return old.apply(this,arguments);
	};
	
	var old_render_view_data = scheduler.render_view_data;
	scheduler.render_view_data = function(){
		if(this._mode == "agenda") {
			scheduler._agendaScrollTop = scheduler._els["dhx_cal_data"][0].childNodes[0].scrollTop;
			scheduler._els["dhx_cal_data"][0].childNodes[0].scrollTop = 0;
		}
		return old_render_view_data.apply(this,arguments);
	};


	function set_full_view(mode){
		if (mode){
			var l = scheduler.locale.labels;
			scheduler._els["dhx_cal_header"][0].innerHTML="<div class='dhx_agenda_line'><div>"+l.date+"</div><span style='padding-left:25px'>"+l.description+"</span></div>";
			scheduler._table_view=true;
			scheduler.set_sizes();
		}
	}

	function fill_agenda_tab(){
		//get current date
		var date = scheduler._date;
		//select events for which data need to be printed
		
		var events = scheduler.get_visible_events();
		events.sort(function(a,b){ return a.start_date>b.start_date?1:-1});
		
		//generate html for the view
		var html="<div class='dhx_agenda_area'>";
		for (var i=0; i<events.length; i++){
			var ev = events[i];
			var bg_color = (ev.color?("background:"+ev.color+";"):"");
			var color = (ev.textColor?("color:"+ev.textColor+";"):"");
			var ev_class = scheduler.templates.event_class(ev.start_date, ev.end_date, ev);
			html+="<div class='dhx_agenda_line"+(ev_class?' '+ev_class:'')+"' event_id='"+ev.id+"' style='"+color+""+bg_color+""+(ev._text_style||"")+"'><div class='dhx_agenda_event_time'>"+scheduler.templates.agenda_time(ev.start_date, ev.end_date,ev)+"</div>";
			html+="<div class='dhx_event_icon icon_details'>&nbsp</div>";
			html+="<span>"+scheduler.templates.agenda_text(ev.start_date, ev.end_date, ev)+"</span></div>";
		}
		html+="<div class='dhx_v_border'></div></div>";
			
		//render html
		scheduler._els["dhx_cal_data"][0].innerHTML = html;
		scheduler._els["dhx_cal_data"][0].childNodes[0].scrollTop = scheduler._agendaScrollTop||0;

		// setting up dhx_v_border size
		var agenda_area = scheduler._els["dhx_cal_data"][0].childNodes[0];
		var v_border = agenda_area.childNodes[agenda_area.childNodes.length-1];
		v_border.style.height = (agenda_area.offsetHeight < scheduler._els["dhx_cal_data"][0].offsetHeight) ? "100%" : (agenda_area.offsetHeight+"px");
		
		var t=scheduler._els["dhx_cal_data"][0].firstChild.childNodes;
		scheduler._els["dhx_cal_date"][0].innerHTML=scheduler.templates.agenda_date(scheduler._min_date, scheduler._max_date, scheduler._mode);
		
		scheduler._rendered=[];
		for (var i=0; i < t.length-1; i++)
			scheduler._rendered[i]=t[i]
		
	}

	scheduler.agenda_view=function(mode){
		scheduler._min_date = scheduler.config.agenda_start||scheduler.date.agenda_start(scheduler._date);
		scheduler._max_date = scheduler.config.agenda_end||scheduler.date.add_agenda(scheduler._min_date, 1);
		scheduler._table_view = true;
		set_full_view(mode);
		if (mode){
			//agenda tab activated
			fill_agenda_tab();
		} else {
			//agenda tab de-activated
		}
	}
});