/* http://keith-wood.name/timeEntry.html
   Time entry for jQuery v1.4.0.
   Written by Keith Wood (kbwood@virginbroadband.com.au) June 2007.
   Dual licensed under the GPL (http://dev.jquery.com/browser/trunk/jquery/GPL-LICENSE.txt) and 
   MIT (http://dev.jquery.com/browser/trunk/jquery/MIT-LICENSE.txt) licenses. 
   Please attribute the author if you use it. */
(function($){function TimeEntry(){this._disabledInputs=[];this.regional=[];this.regional['']={show24Hours:false,separator:':',ampmPrefix:'',ampmNames:['AM','PM'],spinnerTexts:['Now','Previous field','Next field','Increment','Decrement']};this._defaults={appendText:'',showSeconds:false,timeSteps:[1,1,1],initialField:0,useMouseWheel:true,defaultTime:null,minTime:null,maxTime:null,spinnerImage:'timeEntry.png',spinnerSize:[20,20,8],spinnerIncDecOnly:false,spinnerRepeat:[500,250],beforeShow:null,beforeSetTime:null};$.extend(this._defaults,this.regional[''])}var m='timeEntry';$.extend(TimeEntry.prototype,{markerClassName:'hasTimeEntry',setDefaults:function(a){extendRemove(this._defaults,a||{})},_connectTimeEntry:function(b,c){var d=$(b);if(d.is('.'+this.markerClassName)){return}var e={};e.options=$.extend({},c);e._selectedHour=0;e._selectedMinute=0;e._selectedSecond=0;e._field=0;e.input=$(b);$.data(b,m,e);var f=this._get(e,'spinnerImage');var g=this._get(e,'spinnerText');var h=this._get(e,'spinnerSize');var i=this._get(e,'appendText');var j=(!f?null:$('<span class="timeEntry_control" _timeid="'+e._id+'" style="display: inline-block; background: url(\''+f+'\') 0 0 no-repeat; '+'width: '+h[0]+'px; height: '+h[1]+'px;'+($.browser.mozilla&&$.browser.version.substr(0,3)!='1.9'?' padding-left: '+h[0]+'px; padding-bottom: '+(h[1]-18)+'px;':'')+'"></span>'));d.wrap('<span class="timeEntry_wrap"></span>').after(i?'<span class="timeEntry_append">'+i+'</span>':'').after(j||'');d.addClass(this.markerClassName).bind('focus.timeEntry',this._doFocus).bind('blur.timeEntry',this._doBlur).bind('click.timeEntry',this._doClick).bind('keydown.timeEntry',this._doKeyDown).bind('keypress.timeEntry',this._doKeyPress);if($.browser.mozilla){d.bind('input.timeEntry',function(a){$.timeentry._parseTime(e)})}if($.browser.msie){d.bind('paste.timeEntry',function(a){setTimeout(function(){$.timeentry._parseTime(e)},1)})}if(this._get(e,'useMouseWheel')&&$.fn.mousewheel){d.mousewheel(this._doMouseWheel)}if(j){j.mousedown(this._handleSpinner).mouseup(this._endSpinner).mouseout(this._endSpinner).mousemove(this._describeSpinner)}},_enableTimeEntry:function(a){this._enableDisable(a,false)},_disableTimeEntry:function(a){this._enableDisable(a,true)},_enableDisable:function(b,c){var d=$.data(b,m);if(!d){return}b.disabled=c;if(b.nextSibling&&b.nextSibling.nodeName.toLowerCase()=='span'){$.timeEntry._changeSpinner(d,b.nextSibling,(c?5:-1))}$.timeEntry._disabledInputs=$.map($.timeEntry._disabledInputs,function(a){return(a==b?null:a)});if(c){$.timeEntry._disabledInputs[$.timeEntry._disabledInputs.length]=b}},_isDisabledTimeEntry:function(a){for(var i=0;i<this._disabledInputs.length;i++){if(this._disabledInputs[i]==a){return true}}return false},_changeTimeEntry:function(a,b){var c=$.data(a,m);if(c){var d=this._extractTime(c);extendRemove(c.options,b||{});if(d){this._setTime(c,new Date(0,0,0,d[0],d[1],d[2]))}}$.data(a,m,c)},_destroyTimeEntry:function(b){$input=$(b);if(!$input.is('.'+this.markerClassName)){return}$input.removeClass(this.markerClassName).unbind('focus.timeEntry').unbind('blur.timeEntry').unbind('click.timeEntry').unbind('keydown.timeEntry').unbind('keypress.timeEntry');if($.browser.mozilla){$input.unbind('input.timeEntry')}if($.browser.msie){$input.unbind('paste.timeEntry')}if($.fn.mousewheel){$input.unmousewheel()}this._disabledInputs=$.map(this._disabledInputs,function(a){return(a==b?null:a)});b.parentNode.parentNode.replaceChild(b,b.parentNode);$.removeData(b,m)},_setTimeTimeEntry:function(a,b){var c=$.data(a,m);if(c){this._setTime(c,b?(typeof b=='object'?new Date(b.getTime()):b):null)}},_getTimeTimeEntry:function(a){var b=$.data(a,m);var c=(b?this._extractTime(b):null);return(!c?null:new Date(0,0,0,c[0],c[1],c[2]))},_doFocus:function(a){var b=(a.nodeName&&a.nodeName.toLowerCase()=='input'?a:this);if($.timeEntry._lastInput==b){return}if($.timeEntry._isDisabledTimeEntry(b)){return}var c=$.data(b,m);$.timeEntry._focussed=true;$.timeEntry._lastInput=b;$.timeEntry._blurredInput=null;var d=$.timeEntry._get(c,'beforeShow');extendRemove(c.options,(d?d.apply(b,[b]):{}));$.data(b,m,c);$.timeEntry._parseTime(c)},_doBlur:function(a){$.timeEntry._blurredInput=$.timeEntry._lastInput;$.timeEntry._lastInput=null},_doClick:function(a){var b=a.target;var c=$.data(b,m);if(!$.timeEntry._focussed){var d=$.timeEntry._get(c,'separator').length+2;c._field=0;if($.browser.msie){var e=b.value;var f=a.clientX+document.documentElement.scrollLeft-$(a.srcElement).offset().left;for(var g=0;g<=Math.max(1,c._secondField,c._ampmField);g++){var h=(g!=c._ampmField?(g*d)+2:(c._ampmField*d)+$.timeEntry._get(c,'ampmPrefix').length+$.timeEntry._get(c,'ampmNames')[0].length);b.value=e.substring(0,h);var i=b.createTextRange();if(f<i.boundingWidth){c._field=g;break}}b.value=e}else{for(var g=0;g<=Math.max(1,c._secondField,c._ampmField);g++){var j=(g!=c._ampmField?(g*d)+2:(c._ampmField*d)+$.timeEntry._get(c,'ampmPrefix').length+$.timeEntry._get(c,'ampmNames')[0].length);if(b.selectionStart<j){c._field=g;break}}}}$.data(b,m,c);$.timeEntry._showField(c);$.timeEntry._focussed=false},_doKeyDown:function(a){if(a.keyCode>=48){return true}var b=$.data(a.target,m);switch(a.keyCode){case 9:return(a.shiftKey?$.timeEntry._previousField(b,true):$.timeEntry._nextField(b,true));case 35:if(a.ctrlKey){$.timeEntry._setValue(b,'')}else{b._field=Math.max(1,b._secondField,b._ampmField);$.timeEntry._adjustField(b,0)}break;case 36:if(a.ctrlKey){$.timeEntry._setTime(b)}else{b._field=0;$.timeEntry._adjustField(b,0)}break;case 37:$.timeEntry._previousField(b,false);break;case 38:$.timeEntry._adjustField(b,+1);break;case 39:$.timeEntry._nextField(b,false);break;case 40:$.timeEntry._adjustField(b,-1);break;case 46:$.timeEntry._setValue(b,'');break}return false},_doKeyPress:function(a){var b=String.fromCharCode(a.charCode==undefined?a.keyCode:a.charCode);if(b<' '){return true}var c=$.data(a.target,m);$.timeEntry._handleKeyPress(c,b);return false},_doMouseWheel:function(a,b){b=($.browser.opera?-b/Math.abs(b):b);var c=$.data(a.target,m);$.timeEntry._adjustField(c,b);a.preventDefault()},_describeSpinner:function(a){var b=$.timeEntry._getSpinnerTarget(a);var c=$.data(b.previousSibling,m);b.title=$.timeEntry._get(c,'spinnerTexts')[$.timeEntry._getSpinnerRegion(c,a)]},_handleSpinner:function(a){var b=$.timeEntry._getSpinnerTarget(a);var c=b.previousSibling;if($.timeEntry._isDisabledTimeEntry(c)){return}if(c==$.timeEntry._blurredInput){$.timeEntry._lastInput=c;$.timeEntry._blurredInput=null}$.timeEntry._cancelled=false;var d=$.data(c,m);$.timeEntry._doFocus(c);var e=$.timeEntry._getSpinnerRegion(d,a);$.timeEntry._changeSpinner(d,b,e);$.timeEntry._actionSpinner(d,e);var f=$.timeEntry._get(d,'spinnerRepeat');if(!$.timeEntry._cancelled&&e>=3&&f[0]){$.timeEntry._timer=setTimeout(function(){$.timeEntry._repeatSpinner(d,e)},f[0]);$(b).one('mouseout',$.timeEntry._releaseSpinner).one('mouseup',$.timeEntry._releaseSpinner)}},_actionSpinner:function(a,b){switch(b){case 0:this._setTime(a);break;case 1:this._previousField(a,false);break;case 2:this._nextField(a,false);break;case 3:this._adjustField(a,+1);break;case 4:this._adjustField(a,-1);break}},_repeatSpinner:function(a,b){if($.timeEntry._cancelled){return}$.timeEntry._lastInput=$.timeEntry._blurredInput;this._actionSpinner(a,b);this._timer=setTimeout(function(){$.timeEntry._repeatSpinner(a,b)},this._get(a,'spinnerRepeat')[1])},_releaseSpinner:function(a){$.timeEntry._cancelled=true;clearTimeout($.timeEntry._timer)},_endSpinner:function(a){$.timeEntry._cancelled=true;var b=$.timeEntry._getSpinnerTarget(a);var c=b.previousSibling;var d=$.data(c,m);if(!$.timeEntry._isDisabledTimeEntry(c)){$.timeEntry._changeSpinner(d,b,-1)}if(!$.browser.opera){$.timeEntry._lastInput=$.timeEntry._blurredInput}if($.timeEntry._lastInput){$.timeEntry._showField(d)}},_getSpinnerTarget:function(a){return(a.target?a.target:a.srcElement)},_getSpinnerRegion:function(a,b){var c=this._getSpinnerTarget(b);var d=($.browser.opera||$.browser.safari?$.timeEntry._findPos(c):$(c).offset());var e=($.browser.safari?$.timeEntry._findScroll(c):[document.documentElement.scrollLeft,document.documentElement.scrollTop]);var f=this._get(a,'spinnerIncDecOnly');var g=(f?99:b.clientX+e[0]-d.left-($.browser.msie?1:0));var h=b.clientY+e[1]-d.top-($.browser.msie?1:0);var i=this._get(a,'spinnerSize');var j=(f?99:i[0]-g);var k=i[1]-h;if(i[2]>0&&Math.abs(g-j)<=i[2]&&Math.abs(h-k)<=i[2]){return 0}var l=Math.min(g,h,j,k);return(l==g?1:(l==j?2:(l==h?3:4)))},_changeSpinner:function(a,b,c){$(b).css('background-position','-'+((c+1)*this._get(a,'spinnerSize')[0])+'px 0px')},_findPos:function(a){var b=curTop=0;if(a.offsetParent){b=a.offsetLeft;curTop=a.offsetTop;while(a=a.offsetParent){var c=b;b+=a.offsetLeft;if(b<0){b=c}curTop+=a.offsetTop}}return{left:b,top:curTop}},_findScroll:function(a){var b=false;$(a).parents().each(function(){b|=$(this).css('position')=='fixed'});if(b){return[0,0]}var c=a.scrollLeft;var d=a.scrollTop;while(a=a.parentNode){c+=a.scrollLeft||0;d+=a.scrollTop||0}return[c,d]},_get:function(a,b){return(a.options[b]!=null?a.options[b]:$.timeEntry._defaults[b])},_parseTime:function(a){var b=this._extractTime(a);var c=this._get(a,'showSeconds');if(b){a._selectedHour=b[0];a._selectedMinute=b[1];a._selectedSecond=b[2]}else{var d=this._constrainTime(a);a._selectedHour=d[0];a._selectedMinute=d[1];a._selectedSecond=(c?d[2]:0)}a._secondField=(c?2:-1);a._ampmField=(this._get(a,'show24Hours')?-1:(c?3:2));a._lastChr='';a._field=Math.max(0,Math.min(Math.max(1,a._secondField,a._ampmField),this._get(a,'initialField')));if(a.input.val()!=''){this._showTime(a)}},_extractTime:function(a){var b=a.input.val();var c=this._get(a,'separator');var d=b.split(c);if(c==''&&b!=''){d[0]=b.substring(0,2);d[1]=b.substring(2,4);d[2]=b.substring(4,6)}var e=this._get(a,'ampmNames');var f=this._get(a,'show24Hours');if(d.length>=2){var g=!f&&(b.indexOf(e[0])>-1);var h=!f&&(b.indexOf(e[1])>-1);var i=parseInt(d[0],10);i=(isNaN(i)?0:i);i=((g||h)&&i==12?0:i)+(h?12:0);var j=parseInt(d[1],10);j=(isNaN(j)?0:j);var k=(d.length>=3?parseInt(d[2],10):0);k=(isNaN(k)||!this._get(a,'showSeconds')?0:k);return this._constrainTime(a,[i,j,k])}return null},_constrainTime:function(a,b){var c=(b!=null);if(!c){var d=this._determineTime(this._get(a,'defaultTime'))||new Date();b=[d.getHours(),d.getMinutes(),d.getSeconds()]}var e=false;var f=this._get(a,'timeSteps');for(var i=0;i<f.length;i++){if(e){b[i]=0}else if(f[i]>1){b[i]=Math.round(b[i]/f[i])*f[i];e=true}}return b},_showTime:function(a){var b=this._get(a,'show24Hours');var c=this._get(a,'separator');var d=(this._formatNumber(b?a._selectedHour:((a._selectedHour+11)%12)+1)+c+this._formatNumber(a._selectedMinute)+(this._get(a,'showSeconds')?c+this._formatNumber(a._selectedSecond):'')+(b?'':this._get(a,'ampmPrefix')+this._get(a,'ampmNames')[(a._selectedHour<12?0:1)]));this._setValue(a,d);this._showField(a)},_showField:function(a){var b=a.input[0];var c=this._get(a,'separator');var d=c.length+2;var e=(a._field!=a._ampmField?(a._field*d):(a._ampmField*d)-c.length+this._get(a,'ampmPrefix').length);var f=e+(a._field!=a._ampmField?2:this._get(a,'ampmNames')[0].length);if(b.setSelectionRange){b.setSelectionRange(e,f)}else if(b.createTextRange){var g=b.createTextRange();g.moveStart('character',e);g.moveEnd('character',f-a.input.val().length);g.select()}if(!b.disabled){b.focus()}},_formatNumber:function(a){return(a<10?'0':'')+a},_setValue:function(a,b){a.input.val(b).trigger('change')},_previousField:function(a,b){var c=(a.input.val()==''||a._field==0);if(!c){a._field--}this._showField(a);a._lastChr='';$.data(a.input[0],m,a);return(c&&b)},_nextField:function(a,b){var c=(a.input.val()==''||a._field==Math.max(1,a._secondField,a._ampmField));if(!c){a._field++}this._showField(a);a._lastChr='';$.data(a.input[0],m,a);return(c&&b)},_adjustField:function(a,b){if(a.input.val()==''){b=0}var c=this._get(a,'timeSteps');this._setTime(a,new Date(0,0,0,a._selectedHour+(a._field==0?b*c[0]:0)+(a._field==a._ampmField?b*12:0),a._selectedMinute+(a._field==1?b*c[1]:0),a._selectedSecond+(a._field==a._secondField?b*c[2]:0)))},_setTime:function(a,b){b=this._determineTime(b);var c=this._constrainTime(a,b?[b.getHours(),b.getMinutes(),b.getSeconds()]:null);b=new Date(0,0,0,c[0],c[1],c[2]);var b=this._normaliseTime(b);var d=this._normaliseTime(this._determineTime(this._get(a,'minTime')));var e=this._normaliseTime(this._determineTime(this._get(a,'maxTime')));b=(d&&b<d?d:(e&&b>e?e:b));var f=this._get(a,'beforeSetTime');if(f){b=f.apply(a.input[0],[this._getTimeTimeEntry(a.input[0]),b,d,e])}a._selectedHour=b.getHours();a._selectedMinute=b.getMinutes();a._selectedSecond=b.getSeconds();this._showTime(a);$.data(a.input[0],m,a)},_determineTime:function(h){var i=function(a){var b=new Date();b.setTime(b.getTime()+a*1000);return b};var j=function(a){var b=new Date();var c=b.getHours();var d=b.getMinutes();var e=b.getSeconds();var f=/([+-]?[0-9]+)\s*(s|S|m|M|h|H)?/g;var g=f.exec(a);while(g){switch(g[2]||'s'){case's':case'S':e+=parseInt(g[1]);break;case'm':case'M':d+=parseInt(g[1]);break;case'h':case'H':c+=parseInt(g[1]);break}g=f.exec(a)}b=new Date(0,0,10,c,d,e,0);if(/^!/.test(a)){if(b.getDate()>10){b=new Date(0,0,10,23,59,59)}else if(b.getDate()<10){b=new Date(0,0,10,0,0,0)}}return b};return(h?(typeof h=='string'?j(h):(typeof h=='number'?i(h):h)):null)},_normaliseTime:function(a){if(!a){return null}a.setFullYear(1900);a.setMonth(0);a.setDate(0);return a},_handleKeyPress:function(a,b){if(b==this._get(a,'separator')){this._nextField(a,false)}else if(b>='0'&&b<='9'){var c=(a._lastChr+b)*1;var d=this._get(a,'show24Hours');var e=(a._field==0&&((d&&c<24)||(c>=1&&c<=12))?c+(!d&&a._selectedHour>=12?12:0):a._selectedHour);var f=(a._field==1&&c<60?c:a._selectedMinute);var g=(a._field==a._secondField&&c<60?c:a._selectedSecond);var h=this._constrainTime(a,[e,f,g]);this._setTime(a,new Date(0,0,0,h[0],h[1],h[2]));a._lastChr=b}else if(!this._get(a,'show24Hours')){var i=this._get(a,'ampmNames');if((b==i[0].substring(0,1).toLowerCase()&&a._selectedHour>=12)||(b==i[1].substring(0,1).toLowerCase()&&a._selectedHour<12)){var j=a._field;a._field=a._ampmField;this._adjustField(a,+1);a._field=j;this._showField(a)}}}});function extendRemove(a,b){$.extend(a,b);for(var c in b){if(b[c]==null){a[c]=null}}return a}$.fn.timeEntry=function(d){var e=Array.prototype.slice.call(arguments,1);if(typeof d=='string'&&(d=='isDisabled'||d=='getTime')){return $.timeEntry['_'+d+'TimeEntry'].apply($.timeEntry,[this[0]].concat(e))}return this.each(function(){var a=this.nodeName.toLowerCase();if(a=='input'){if(typeof d=='string'){$.timeEntry['_'+d+'TimeEntry'].apply($.timeEntry,[this].concat(e))}else{var b={};for(attrName in $.timeEntry._defaults){var c=this.getAttribute('time:'+attrName);if(c){b=b||{};try{b[attrName]=eval(c)}catch(err){b[attrName]=c}}}$.timeEntry._connectTimeEntry(this,$.extend(b,d))}}})};$.timeEntry=new TimeEntry()})(jQuery);