if(typeof Prototype=='undefined')
alert("CalendarDateSelect Error: Prototype could not be found. Please make sure that your application's layout includes prototype.js (e.g. <%= javascript_include_tag :defaults %>) *before* it includes calendar_date_select.js (e.g. <%= calendar_date_select_includes %>).");Element.addMethods({purgeChildren:function(element){$A(element.childNodes).each(function(e){$(e).remove();});},build:function(element,type,options,style){newElement=Element.build(type,options,style);element.appendChild(newElement);return newElement;}});Element.build=function(type,options,style)
{e=$(document.createElement(type));$H(options).each(function(pair){eval("e."+pair.key+" = pair.value");});if(style)
$H(style).each(function(pair){eval("e.style."+pair.key+" = pair.value");});return e;};nil=null;Date.one_day=24*60*60*1000;Date.weekdays=$w("S M T W T F S");Date.first_day_of_week=0;Date.months=$w("January February March April May June July August September October November December");Date.padded2=function(hour){padded2=hour.toString();if(parseInt(hour)<10)padded2="0"+padded2;return padded2;}
Date.prototype.getPaddedMinutes=function(){return Date.padded2(this.getMinutes());}
Date.prototype.getAMPMHour=function(){hour=this.getHours();return(hour==0)?12:(hour>12?hour-12:hour)}
Date.prototype.getAMPM=function(){return(this.getHours()<12)?"AM":"PM";}
Date.prototype.stripTime=function(){return new Date(this.getFullYear(),this.getMonth(),this.getDate());};Date.prototype.daysDistance=function(compare_date){return Math.round((compare_date-this)/Date.one_day);};Date.prototype.toFormattedString=function(include_time){str=Date.months[this.getMonth()]+" "+this.getDate()+", "+this.getFullYear();if(include_time){hour=this.getHours();str+=" "+this.getAMPMHour()+":"+this.getPaddedMinutes()+" "+this.getAMPM()}
return str;}
Date.parseFormattedString=function(string){return new Date(string);}
Math.floor_to_interval=function(n,i){return Math.floor(n/i)*i;}
window.f_height=function(){return([window.innerHeight?window.innerHeight:null,document.documentElement?document.documentElement.clientHeight:null,document.body?document.body.clientHeight:null].select(function(x){return x>0}).first()||0);}
window.f_scrollTop=function(){return([window.pageYOffset?window.pageYOffset:null,document.documentElement?document.documentElement.scrollTop:null,document.body?document.body.scrollTop:null].select(function(x){return x>0}).first()||0);}
_translations={"OK":"OK","Now":"Now","Today":"Today"}
SelectBox=Class.create();SelectBox.prototype={initialize:function(parent_element,values,html_options,style_options){this.element=$(parent_element).build("select",html_options,style_options);this.populate(values);},populate:function(values){this.element.purgeChildren();that=this;$A(values).each(function(pair){if(typeof(pair)!="object"){pair=[pair,pair]};that.element.build("option",{value:pair[1],innerHTML:pair[0]})});},setValue:function(value,callback){e=this.element;matched=false;$R(0,e.options.length-1).each(function(i){if(e.options[i].value==value.toString()){e.selectedIndex=i;matched=true;};});return matched;},getValue:function(){return $F(this.element)}}
CalendarDateSelect=Class.create();CalendarDateSelect.prototype={initialize:function(target_element,options){this.target_element=$(target_element);this.target_element.calendar_date_select=this;this.options=$H({embedded:false,popup:nil,time:false,buttons:true,year_range:10,calendar_div:nil,close_on_click:nil,minute_interval:5,popup_by:target_element,month_year:"dropdowns",onchange:this.target_element.onchange}).merge(options||{});if(this.options.time=="false"){this.options.time=false;}
if(this.options.close_on_click=="false"){this.options.close_on_click=false;}
this.selection_made=$F(this.target_element).strip()!=="";this.use_time=this.options.time;this.callback("before_show")
this.calendar_div=$(this.options.calendar_div);if(!this.target_element){alert("Target element "+target_element+" not found!");return false;}
this.parseDate();if(this.calendar_div==nil){this.calendar_div=$(this.options.embedded?this.target_element.parentNode:document.body).build('div');}
if(!this.options.embedded){this.calendar_div.setStyle({position:"absolute",visibility:"hidden"})
this.positionCalendarDiv();}
this.calendar_div.addClassName("calendar_date_select");if(this.options["embedded"])this.options["close_on_click"]=false;if(this.options['close_on_click']===nil)
{if(this.options['time'])
this.options["close_on_click"]=false;else
this.options['close_on_click']=true;}
if(!this.options["embedded"])Event.observe(document.body,"mousedown",this.bodyClick_handler=this.bodyClick.bindAsEventListener(this));this.initFrame();if(!this.options["embedded"]){this.positionCalendarDiv(true)}
this.callback("after_show")},positionCalendarDiv:function(post_painted){above=false;c_pos=Position.cumulativeOffset(this.calendar_div);c_left=c_pos[0];c_top=c_pos[1];c_dim=this.calendar_div.getDimensions();c_height=c_dim.height;c_width=c_dim.width;w_top=window.f_scrollTop();w_height=window.f_height();e_dim=Position.cumulativeOffset($(this.options.popup_by));e_top=e_dim[1];e_left=e_dim[0];if((post_painted)&&((c_top+c_height)>(w_top+w_height))&&(c_top-c_height>w_top))above=true;left_px=e_left.toString()+"px";top_px=(above?(e_top-c_height):(e_top+$(this.options.popup_by).getDimensions().height)).toString()+"px";this.calendar_div.style.left=left_px;this.calendar_div.style.top=top_px;if(post_painted){this.iframe=$(document.body).build("iframe",{className:"ie6_blocker"},{left:left_px,top:top_px,height:c_height.toString()+"px",width:c_width.toString()+"px",border:"0px"})
this.calendar_div.setStyle({visibility:""});}},initFrame:function(){that=this;$w("top header body buttons footer bottom").each(function(name){eval(name+"_div = that."+name+"_div = that.calendar_div.build('div', { className: 'cds_"+name+"' }, { clear: 'left'} ); ");});this.initButtonsDiv();this.updateFooter("&nbsp;");this.prev_month_button=header_div.build("a",{innerHTML:"&lt;",href:"#",onclick:function(){return false;},className:"prev"});this.next_month_button=header_div.build("a",{innerHTML:"&gt;",href:"#",onclick:function(){return false;},className:"next"});Event.observe(this.prev_month_button,'mousedown',function(){this.navMonth(this.date.getMonth()-1)}.bindAsEventListener(this));Event.observe(this.next_month_button,'mousedown',function(){this.navMonth(this.date.getMonth()+1)}.bindAsEventListener(this));if(this.options.month_year=="dropdowns"){this.month_select=new SelectBox(header_div,$R(0,11).map(function(m){return[Date.months[m],m]}),{className:"month",onchange:function(){this.navMonth(this.month_select.getValue())}.bindAsEventListener(this)});this.year_select=new SelectBox(header_div,[],{className:"year",onchange:function(){this.navYear(this.year_select.getValue())}.bindAsEventListener(this)});}else{this.month_year_label=header_div.build("span")}
this.calendar_day_grid=[];days_table=body_div.build("table",{cellPadding:"0px",cellSpacing:"0px",width:"100%"})
weekdays_row=days_table.build("thead").build("tr");Date.weekdays.each(function(weekday){weekdays_row.build("th",{innerHTML:weekday});});days_tbody=days_table.build("tbody")
row_number=0
for(cell_index=0;cell_index<42;cell_index++)
{weekday=(cell_index+Date.first_day_of_week)%7;if(cell_index%7==0)days_row=days_tbody.build("tr",{className:'row_'+row_number++});(this.calendar_day_grid[cell_index]=days_row.build("td",{calendar_date_select:this,onmouseover:function(){this.calendar_date_select.dayHover(this);},onmouseout:function(){this.calendar_date_select.dayHoverOut(this)},onclick:function(){this.calendar_date_select.updateSelectedDate(this);},className:(weekday==0)||(weekday==6)?" weekend":""},{cursor:"pointer"})).build("div");this.calendar_day_grid[cell_index];}
this.refresh();},initButtonsDiv:function()
{buttons_div=this.buttons_div;if(this.options["time"])
{blank_time=$A(this.options.time=="mixed"?[[" - ",""]]:[]);buttons_div.build("span",{innerHTML:"@",className:"at_sign"});t=new Date();this.hour_select=new SelectBox(buttons_div,blank_time.concat($R(0,23).map(function(x){t.setHours(x);return $A([t.getAMPMHour()+" "+t.getAMPM(),x])})),{calendar_date_select:this,onchange:function(){this.calendar_date_select.updateSelectedDate({hour:this.value});},className:"hour"});buttons_div.build("span",{innerHTML:":",className:"seperator"});that=this;this.minute_select=new SelectBox(buttons_div,blank_time.concat($R(0,59).select(function(x){return(x%that.options.minute_interval==0)}).map(function(x){return $A([Date.padded2(x),x]);})),{calendar_date_select:this,onchange:function(){this.calendar_date_select.updateSelectedDate({minute:this.value})},className:"minute"});}else if(!this.options.buttons)buttons_div.remove();if(this.options.buttons){buttons_div.build("span",{innerHTML:" "});if(this.options.time=="mixed"||!this.options.time)b=buttons_div.build("a",{innerHTML:_translations["Today"],href:"#",onclick:function(){this.today(false);return false;}.bindAsEventListener(this)});if(this.options.time=="mixed")buttons_div.build("span",{innerHTML:" | ",className:"button_seperator"})
if(this.options.time)b=buttons_div.build("a",{innerHTML:_translations["Now"],href:"#",onclick:function(){this.today(true);return false}.bindAsEventListener(this)});}},dateString:function(){return(this.selection_made)?this.selected_date.toFormattedString(this.use_time):"&nbsp;";},navMonth:function(month){prev_day=this.date.getDate();this.date.setMonth(month);this.refresh();this.callback("after_navigate",this.date);},navYear:function(year){this.date.setYear(year);this.refresh();this.callback("after_navigate",this.date);},refresh:function()
{m=this.date.getMonth()
y=this.date.getFullYear();if(this.options.month_year=="dropdowns")
{this.month_select.setValue(m,false);e=this.year_select.element;if(!(this.year_select.setValue(y))||e.selectedIndex<=1||e.selectedIndex>=e.options.length-2){this.year_select.populate($R(y-this.options.year_range,y+this.options.year_range).toArray());this.year_select.setValue(y)}}else{this.month_year_label.update(Date.months[m]+" "+y.toString());}
this.beginning_date=new Date(this.date).stripTime();this.beginning_date.setDate(1);pre_days=this.beginning_date.getDay()
if(pre_days<3)pre_days+=7;this.beginning_date.setDate(1-pre_days+Date.first_day_of_week);iterator=new Date(this.beginning_date);today=new Date().stripTime();this_month=this.date.getMonth();for(cell_index=0;cell_index<42;cell_index++)
{day=iterator.getDate();month=iterator.getMonth();cell=this.calendar_day_grid[cell_index];Element.remove(cell.childNodes[0]);div=cell.build("div",{innerHTML:day});if(month!=this_month)div.className="other";cell.day=day;cell.month=month;cell.year=iterator.getFullYear();iterator.setDate(day+1);}
if(this.today_cell)this.today_cell.removeClassName("today");if($R(0,42).include(days_until=this.beginning_date.daysDistance(today))){this.today_cell=this.calendar_day_grid[days_until];this.today_cell.addClassName("today");}
this.setUseTime(this.use_time);this.setSelectedClass();this.updateFooter();},dayHover:function(element){element.addClassName("hover");hover_date=new Date(this.selected_date);hover_date.setYear(element.year);hover_date.setMonth(element.month);hover_date.setDate(element.day);this.updateFooter(hover_date.toFormattedString(this.use_time));},dayHoverOut:function(element){element.removeClassName("hover");this.updateFooter();},setSelectedClass:function(){if(!this.selection_made)return;if(this.selected_cell)this.selected_cell.removeClassName("selected");if($R(0,42).include(days_until=this.beginning_date.daysDistance(this.selected_date.stripTime()))){this.selected_cell=this.calendar_day_grid[days_until];this.selected_cell.addClassName("selected");}},reparse:function(){this.parseDate();this.refresh();},parseDate:function()
{value=$F(this.target_element).strip()
this.date=value==""?NaN:Date.parseFormattedString(this.options['date']||value);if(isNaN(this.date))this.date=new Date();this.selected_date=new Date(this.date);this.use_time=/[0-9]:[0-9]{2}/.exec(value)?true:false;this.date.setDate(1);},updateFooter:function(text){if(!text)text=this.dateString();this.footer_div.purgeChildren();this.footer_div.build("span",{innerHTML:text});},updateSelectedDate:function(parts){if((this.target_element.disabled||this.target_element.readOnly)&&this.options.popup!="force")return false;if(parts.day){this.selection_made=true;for(x=0;x<=1;x++){this.selected_date.setDate(parts.day);this.selected_date.setMonth(parts.month);this.selected_date.setYear(parts.year);}}
if(!isNaN(parts.hour))this.selected_date.setHours(parts.hour);if(!isNaN(parts.minute))this.selected_date.setMinutes(Math.floor_to_interval(parts.minute,this.options.minute_interval));if(parts.hour===""||parts.minute==="")
this.setUseTime(false);else if(!isNaN(parts.hour)||!isNaN(parts.minute))
this.setUseTime(true);this.updateFooter();this.setSelectedClass();if(this.selection_made)this.updateValue();if(this.options.close_on_click){this.close();}},setUseTime:function(turn_on){this.use_time=this.options.time&&(this.options.time=="mixed"?turn_on:true)
if(this.use_time&&this.selected_date){minute=Math.floor_to_interval(this.selected_date.getMinutes(),this.options.minute_interval);hour=this.selected_date.getHours();this.hour_select.setValue(hour);this.minute_select.setValue(minute)}else if(this.options.time=="mixed"){this.hour_select.setValue("");this.minute_select.setValue("");}},updateValue:function(){last_value=this.target_element.value;this.target_element.value=this.dateString();if(last_value!=this.target_element.value)this.callback("onchange");},today:function(now){d=new Date();this.date=new Date();o=$H({day:d.getDate(),month:d.getMonth(),year:d.getFullYear(),hour:d.getHours(),minute:d.getMinutes()});if(!now)o=o.merge({hour:"",minute:""});this.updateSelectedDate(o);this.refresh();},close:function(){if(this.closed)return false;this.callback("before_close");this.target_element.calendar_date_select=nil;Event.stopObserving(document.body,"mousedown",this.bodyClick_handler);this.calendar_div.remove();this.closed=true;if(this.iframe)this.iframe.remove();this.target_element.focus();this.callback("after_close");},bodyClick:function(e){if(!$(Event.element(e)).descendantOf(this.calendar_div))this.close();},callback:function(name,param){if(this.options[name]){this.options[name].bind(this.target_element)(param);}}}