var SLIDES = []; function Slideshow(config){ var self = this; self.config = config; // DOM self.dom = config.dom; // Slide information self.slides = config.slides; // Reset: INITIAL VARIABLES self.reset = function(){ // On End? if(self.currentSlide && self.currentSlide.onend){ self.currentSlide.onend(self); } // CLEAR if(self.clear) self.clear(); // Reset self.dom.innerHTML = ""; self.slideIndex = -1; self.currentSlide = null; self.objects = {}; }; self.reset(); ////////////////////////////////////////////////// /////////////// GO TO NEXT SLIDE ///////////////// ////////////////////////////////////////////////// // Go to next slide self.nextSlide = function(){ // On End? if(self.currentSlide && self.currentSlide.onend){ self.currentSlide.onend(self); } // Update the information if(self.slideIndex >= self.slides.length-1) return; self.slideIndex++; self.currentSlide = self.slides[self.slideIndex]; // On Start if(self.currentSlide.onstart){ self.currentSlide.onstart(self); } // Send out message! publish("slideshow/slideChange", [self.currentSlide.id]); }; // Subscribe to "next slide" message... subscribe("slideshow/next", function(){ self.nextSlide(); }); ////////////////////////////////////////////////// ///////////// SLIDESHOW OBJECTS ////////////////// ////////////////////////////////////////////////// // Objects! self.objects = {}; // Add Object self.add = function(objectConfig){ // Create object var Classname = window[objectConfig.type]; objectConfig.slideshow = self; var obj = new Classname(objectConfig); obj.slideshow = self; // Remember it self.objects[objectConfig.id] = obj; // Add it for real! return obj.add(); }; // Remove Object self.remove = function(objectID){ // Find it... var obj = self.objects[objectID]; // Remove from memory & DOM delete self.objects[objectID]; return obj.remove(); }; // Clear: Remove ALL objects self.clear = function(){ for(var id in self.objects) self.remove(id); }; ////////////////////////////////////////////////// ///////////// FORCE GO TO SLIDE ////////////////// ////////////////////////////////////////////////// // FORCE go to a certain slide self.gotoSlide = function(id){ // Go ALL the way to the past self.reset(); // Slide & SlideIndex self.currentSlide = self.slides.find(function(slide){ return slide.id==id; }); self.slideIndex = self.slides.indexOf(self.currentSlide); // On JUMP & on Start if(self.currentSlide.onjump) self.currentSlide.onjump(self); if(self.currentSlide.onstart) self.currentSlide.onstart(self); // Send out message! publish("slideshow/slideChange", [self.currentSlide.id]); }; // Subscribe to the "force goto" message... subscribe("slideshow/goto", function(id){ self.gotoSlide(id); }); }