/*
 * iButton jQuery Plug-in
 *
 * Copyright 2011 Giva, Inc. (http://www.givainc.com/labs/) 
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * 	http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 * Date: 2011-07-26
 * Rev:  1.0.03
 */
(function(E){E.iButton={version:"1.0.03",setDefaults:function(G){E.extend(F,G)}};E.fn.iButton=function(J){var K=typeof arguments[0]=="string"&&arguments[0];var I=K&&Array.prototype.slice.call(arguments,1)||arguments;var H=(this.length==0)?null:E.data(this[0],"iButton");if(H&&K&&this.length){if(K.toLowerCase()=="object"){return H}else{if(H[K]){var G;this.each(function(L){var M=E.data(this,"iButton")[K].apply(H,I);if(L==0&&M){if(!!M.jquery){G=E([]).add(M)}else{G=M;return false}}else{if(!!M&&!!M.jquery){G=G.add(M)}}});return G||this}else{return this}}}else{return this.each(function(){new C(this,J)})}};var A=0;E.browser.iphone=(navigator.userAgent.toLowerCase().indexOf("iphone")>-1);var C=function(N,I){var S=this,H=E(N),T=++A,K=false,U={},O={dragging:false,clicked:null},W={position:null,offset:null,time:null},I=E.extend({},F,I,(!!E.metadata?H.metadata():{})),Y=(I.labelOn==B&&I.labelOff==D),Z=":checkbox, :radio";if(!H.is(Z)){return H.find(Z).iButton(I)}else{if(E.data(H[0],"iButton")){return }}E.data(H[0],"iButton",S);if(I.resizeHandle=="auto"){I.resizeHandle=!Y}if(I.resizeContainer=="auto"){I.resizeContainer=!Y}this.toggle=function(b){var a=(arguments.length>0)?b:!H[0].checked;H.attr("checked",a).trigger("change")};this.disable=function(b){var a=(arguments.length>0)?b:!K;K=a;H.attr("disabled",a);V[a?"addClass":"removeClass"](I.classDisabled);if(E.isFunction(I.disable)){I.disable.apply(S,[K,H,I])}};this.repaint=function(){X()};this.destroy=function(){E([H[0],V[0]]).unbind(".iButton");E(document).unbind(".iButton_"+T);V.after(H).remove();E.data(H[0],"iButton",null);if(E.isFunction(I.destroy)){I.destroy.apply(S,[H,I])}};H.wrap('<div class="'+E.trim(I.classContainer+" "+I.className)+'" />').after('<div class="'+I.classHandle+'"><div class="'+I.classHandleRight+'"><div class="'+I.classHandleMiddle+'" /></div></div><div class="'+I.classLabelOff+'"><span><label>'+I.labelOff+'</label></span></div><div class="'+I.classLabelOn+'"><span><label>'+I.labelOn+'</label></span></div><div class="'+I.classPaddingLeft+'"></div><div class="'+I.classPaddingRight+'"></div>');var V=H.parent(),G=H.siblings("."+I.classHandle),P=H.siblings("."+I.classLabelOff),M=P.children("span"),J=H.siblings("."+I.classLabelOn),L=J.children("span");if(I.resizeHandle||I.resizeContainer){U.onspan=L.outerWidth();U.offspan=M.outerWidth()}if(I.resizeHandle){U.handle=Math.min(U.onspan,U.offspan);G.css("width",U.handle)}else{U.handle=G.width()}if(I.resizeContainer){U.container=(Math.max(U.onspan,U.offspan)+U.handle+20);V.css("width",U.container);P.css("width",U.container-5)}else{U.container=V.width()}var R=U.container-U.handle-6;var X=function(b){var c=H[0].checked,a=(c)?R:0,b=(arguments.length>0)?arguments[0]:true;if(b&&I.enableFx){G.stop().animate({left:a},I.duration,I.easing);J.stop().animate({width:a+4},I.duration,I.easing);L.stop().animate({marginLeft:a-R},I.duration,I.easing);M.stop().animate({marginRight:-a},I.duration,I.easing)}else{G.css("left",a);J.css("width",a+4);L.css("marginLeft",a-R);M.css("marginRight",-a)}};X(false);var Q=function(a){return a.pageX||((a.originalEvent.changedTouches)?a.originalEvent.changedTouches[0].pageX:0)};V.bind("mousedown.iButton touchstart.iButton",function(a){if(E(a.target).is(Z)||K||(!I.allowRadioUncheck&&H.is(":radio:checked"))){return }a.preventDefault();O.clicked=G;W.position=Q(a);W.offset=W.position-(parseInt(G.css("left"),10)||0);W.time=(new Date()).getTime();return false});if(I.enableDrag){E(document).bind("mousemove.iButton_"+T+" touchmove.iButton_"+T,function(c){if(O.clicked!=G){return }c.preventDefault();var a=Q(c);if(a!=W.offset){O.dragging=true;V.addClass(I.classHandleActive)}var b=Math.min(1,Math.max(0,(a-W.offset)/R));G.css("left",b*R);J.css("width",b*R+4);M.css("marginRight",-b*R);L.css("marginLeft",-(1-b)*R);return false})}E(document).bind("mouseup.iButton_"+T+" touchend.iButton_"+T,function(d){if(O.clicked!=G){return false}d.preventDefault();var f=true;if(!O.dragging||(((new Date()).getTime()-W.time)<I.clickOffset)){var b=H[0].checked;H.attr("checked",!b);if(E.isFunction(I.click)){I.click.apply(S,[!b,H,I])}}else{var a=Q(d);var c=(a-W.offset)/R;var b=(c>=0.5);if(H[0].checked==b){f=false}H.attr("checked",b)}V.removeClass(I.classHandleActive);O.clicked=null;O.dragging=null;if(f){H.trigger("change")}else{X()}return false});H.bind("change.iButton",function(){X();if(H.is(":radio")){var b=H[0];var a=E(b.form?b.form[b.name]:":radio[name="+b.name+"]");a.filter(":not(:checked)").iButton("repaint")}if(E.isFunction(I.change)){I.change.apply(S,[H,I])}}).bind("focus.iButton",function(){V.addClass(I.classFocus)}).bind("blur.iButton",function(){V.removeClass(I.classFocus)});if(E.isFunction(I.click)){H.bind("click.iButton",function(){I.click.apply(S,[H[0].checked,H,I])})}if(H.is(":disabled")){this.disable(true)}if(E.browser.msie){V.find("*").andSelf().attr("unselectable","on");H.bind("click.iButton",function(){H.triggerHandler("change.iButton")})}if(E.isFunction(I.init)){I.init.apply(S,[H,I])}};var F={duration:200,easing:"swing",labelOn:"ON",labelOff:"OFF",resizeHandle:"auto",resizeContainer:"auto",enableDrag:true,enableFx:true,allowRadioUncheck:false,clickOffset:120,className:"",classContainer:"ibutton-container",classDisabled:"ibutton-disabled",classFocus:"ibutton-focus",classLabelOn:"ibutton-label-on",classLabelOff:"ibutton-label-off",classHandle:"ibutton-handle",classHandleMiddle:"ibutton-handle-middle",classHandleRight:"ibutton-handle-right",classHandleActive:"ibutton-active-handle",classPaddingLeft:"ibutton-padding-left",classPaddingRight:"ibutton-padding-right",init:null,change:null,click:null,disable:null,destroy:null},B=F.labelOn,D=F.labelOff})(jQuery);