YUI.add("gallery-slideshow-base",function(B){function A(C){A.superclass.constructor.apply(this,arguments);}A.PAUSE_TIME=5;A.NAME="slideshow";A.ATTRS={pause_time:{value:A.PAUSE_TIME,setter:function(C){return this._set_pause_time(C);}},auto_advance:{value:true},slides:{value:[]},current_slide:{value:0,validator:function(C){return this._validate_current_slide(C);}},slide_count:{value:0},activate_play_pause_buttons:{value:true},play_button:{value:null},pause_button:{value:null},activate_next_prev_buttons:{value:true},next_button:{value:null},prev_button:{value:null},activate_slide_buttons:{value:true},slide_buttons:{value:[]}};A.AUTO_SLIDESHOW_SELECTOR=".slideshow";A.SLIDE_SELECTOR=".slide";A.CURRENT_CLASS="current";A.PLAY_BUTTON_SELECTOR=".play";A.PAUSE_BUTTON_SELECTOR=".pause";A.NEXT_BUTTON_SELECTOR=".next";A.PREV_BUTTON_SELECTOR=".previous";A.BUTTON_SELECTOR=".slideSelector";A.INACTIVE_CLASS="inactive";A.HTML_PARSER={slides:function(C){var D=C.all(A.SLIDE_SELECTOR);if(D.size()===0){D=C.get("children");}return D;},play_button:function(C){return C.all(A.PLAY_BUTTON_SELECTOR);},pause_button:function(C){return C.all(A.PAUSE_BUTTON_SELECTOR);},next_button:function(C){return C.all(A.NEXT_BUTTON_SELECTOR);},prev_button:function(C){return C.all(A.PREV_BUTTON_SELECTOR);},slide_buttons:function(C){return C.all(A.BUTTON_SELECTOR);}};B.extend(A,B.Widget,{initializer:function(){var C=this.get("slides"),E=C.size(),D=B.Array.indexOf(C.hasClass(A.CURRENT_CLASS),true);this.set("slide_count",E);if(D>-1){this.set("current_slide",D);}else{C.item(0).addClass(A.CURRENT_CLASS);}C.item(this.get("current_slide")).addClass(A.CURRENT_CLASS);this.display_slide=this.get("current_slide");this._after_display();if(this.get("activate_play_pause_buttons")){this._init_play_pause_buttons();}if(this.get("activate_next_prev_buttons")){this._init_next_prev_buttons();}if(this.get("activate_slide_buttons")){this._init_buttons();}this.initial_slide=true;},syncUI:function(){this._update_slide_display();if(this.get("auto_advance")){this._pause();}},run:function(){this.set("auto_advance",true);this.advance();},stop:function(){this.timer.cancel();this.set("auto_advance",false);},show_slide:function(C){this.timer.cancel();if(C!=this.get("current_slide")){this.set("current_slide",C);this.syncUI();}},_display_slide:function(C){this._before_display();this.get("slides").item(C).addClass(A.CURRENT_CLASS);this._after_display();},_before_display:function(){this.fire("slideshow:before-slide-displayed",{slide:this.get("slides").item(this.display_slide),slide_number:this.display_slide});},_after_display:function(){this.fire("slideshow:slide-displayed",{slide:this.get("slides").item(this.display_slide),slide_number:this.display_slide});},_hide_slide:function(C){this._before_hide();this.get("slides").item(C).removeClass(A.CURRENT_CLASS);this._after_hide();},_before_hide:function(){this.fire("slideshow:before-slide-hidden",{slide:this.get("slides").item(this.hide_slide),slide_number:this.hide_slide});},_after_hide:function(){this.fire("slideshow:slide-hidden",{slide:this.get("slides").item(this.hide_slide),slide_number:this.hide_slide});},advance:function(){this.show_slide(this._get_next_slide());},previous:function(){this.show_slide(this._get_previous_slide());},_pause:function(){this.timer=B.later(this.get("pause_time"),this,"advance");},_get_next_slide:function(){var C=this.get("current_slide")+1;if(C>=this.get("slide_count")){return 0;}else{return C;}},_get_previous_slide:function(){var C=this.get("current_slide")-1;if(C<0){return this.get("slide_count")-1;}else{return C;}},_update_slide_display:function(){var F=this.get("current_slide"),E=this.get("slide_count"),D=this.get("slides"),C;for(C=0;C<E;C++){if(C==F){if(!D.item(C).hasClass(A.CURRENT_CLASS)){this.display_slide=C;}}else{if(D.item(C).hasClass(A.CURRENT_CLASS)){this.hide_slide=C;}}}if(this.initial_slide){this.initial_slide=false;}else{if(this.display_slide>=0){this._display_slide(this.display_slide);}if(this.hide_slide>=0){this._hide_slide(this.hide_slide);}}},_toggle_play_pause:function(){if(this.get("activate_play_pause_buttons")){if(this.play_btn){if(this.get("auto_advance")){this.play_btn.addClass(A.INACTIVE_CLASS);}else{this.play_btn.removeClass(A.INACTIVE_CLASS);}}if(this.pause_btn){if(this.get("auto_advance")){this.pause_btn.removeClass(A.INACTIVE_CLASS);}else{this.pause_btn.addClass(A.INACTIVE_CLASS);}}}},_init_play_pause_buttons:function(){this.play_btn=this.get("play_button");this.pause_btn=this.get("pause_button");this._toggle_play_pause();if(this.play_btn){this.play_btn.on("click",function(C){C.preventDefault();this.fire("slideshow:play-clicked",{slide:this.get("slides").item(this.get("current_slide")),slide_number:this.get("current_slide")});this.run();this._toggle_play_pause();},this);}if(this.pause_btn){this.pause_btn.on("click",function(C){C.preventDefault();this.fire("slideshow:pause-clicked",{slide:this.get("slides").item(this.get("current_slide")),slide_number:this.get("current_slide")});this.stop();this._toggle_play_pause();},this);}},_init_next_prev_buttons:function(){var C=this.get("next_button"),D=this.get("prev_button");if(C){C.on("click",function(E){E.preventDefault();this.stop();this.fire("slideshow:slide-selected",{slide:this.get("slides").item(this._get_next_slide()),slide_number:this._get_next_slide()});this.advance();},this);}if(D){D.on("click",function(E){E.preventDefault();this.stop();this.fire("slideshow:slide-selected",{slide:this.get("slides").item(this._get_previous_slide()),slide_number:this._get_previous_slide()});this.previous();},this);}},_init_buttons:function(){var E=this.get("slide_buttons"),C=E.size(),F,D;if(C>0){F=function(G,H){G.preventDefault();this.stop();this.fire("slideshow:slide-selected",{slide:this.get("slides").item(H),slide_number:H});this.show_slide(H);};for(D=0;D<C;D++){E.item(D).on("click",F,this,D);if(D==this.get("current_slide")){E.item(D).addClass("current");}}this.on("slideshow:before-slide-displayed",function(G){E.item(G.slide_number).addClass(A.CURRENT_CLASS);
});this.on("slideshow:before-slide-hidden",function(G){E.item(G.slide_number).removeClass(A.CURRENT_CLASS);});}},_applyParsedConfig:function(E,C,D){return(D)?B.mix(C,D,false):C;},_set_pause_time:function(C){return C*1000;},_validate_current_slide:function(E){var D=0,C=this.get("slide_count");return(B.Lang.isNumber(E)&&E>=D&&E<=C);}});A.auto=function(E){if(!E){E={};}var C=E.selector||A.AUTO_SLIDESHOW_SELECTOR,D=E.pause_time||A.PAUSE_TIME;B.all(C).each(function(){var F=new A({contentBox:this,pause_time:D});F.render();});};B.Slideshow=A;},"@VERSION@",{requires:["node","event","widget"]});