myblog/myapp/static/zinnia/js/foundation/foundation.orbit.js
;(function ($, window, document, undefined) {
'use strict';
var noop = function() {};
var Orbit = function(el, settings) {
// Don't reinitialize plugin
if (el.hasClass(settings.slides_container_class)) {
return this;
}
var self = this,
container,
slides_container = el,
number_container,
bullets_container,
timer_container,
idx = 0,
animate,
timer,
locked = false,
adjust_height_after = false;
self.slides = function() {
return slides_container.children(settings.slide_selector);
};
self.slides().first().addClass(settings.active_slide_class);
self.update_slide_number = function(index) {
if (settings.slide_number) {
number_container.find('span:first').text(parseInt(index)+1);
number_container.find('span:last').text(self.slides().length);
}
if (settings.bullets) {
bullets_container.children().removeClass(settings.bullets_active_class);
$(bullets_container.children().get(index)).addClass(settings.bullets_active_class);
}
};
self.update_active_link = function(index) {
var link = $('[data-orbit-link="'+self.slides().eq(index).attr('data-orbit-slide')+'"]');
link.siblings().removeClass(settings.bullets_active_class);
link.addClass(settings.bullets_active_class);
};
self.build_markup = function() {
slides_container.wrap('<div class="'+settings.container_class+'"></div>');
container = slides_container.parent();
slides_container.addClass(settings.slides_container_class);
if (settings.stack_on_small) {
container.addClass(settings.stack_on_small_class);
}
if (settings.navigation_arrows) {
container.append($('<a href="#"><span></span></a>').addClass(settings.prev_class));
container.append($('<a href="#"><span></span></a>').addClass(settings.next_class));
}
if (settings.timer) {
timer_container = $('<div>').addClass(settings.timer_container_class);
timer_container.append('<span>');
timer_container.append($('<div>').addClass(settings.timer_progress_class));
timer_container.addClass(settings.timer_paused_class);
container.append(timer_container);
}
if (settings.slide_number) {
number_container = $('<div>').addClass(settings.slide_number_class);
number_container.append('<span></span> ' + settings.slide_number_text + ' <span></span>');
container.append(number_container);
}
if (settings.bullets) {
bullets_container = $('<ol>').addClass(settings.bullets_container_class);
container.append(bullets_container);
bullets_container.wrap('<div class="orbit-bullets-container"></div>');
self.slides().each(function(idx, el) {
var bullet = $('<li>').attr('data-orbit-slide', idx).on('click', self.link_bullet);;
bullets_container.append(bullet);
});
}
};
self._goto = function(next_idx, start_timer) {
// if (locked) {return false;}
if (next_idx === idx) {return false;}
if (typeof timer === 'object') {timer.restart();}
var slides = self.slides();
var dir = 'next';
locked = true;
if (next_idx < idx) {dir = 'prev';}
if (next_idx >= slides.length) {
if (!settings.circular) return false;
next_idx = 0;
} else if (next_idx < 0) {
if (!settings.circular) return false;
next_idx = slides.length - 1;
}
var current = $(slides.get(idx));
var next = $(slides.get(next_idx));
current.css('zIndex', 2);
current.removeClass(settings.active_slide_class);
next.css('zIndex', 4).addClass(settings.active_slide_class);
slides_container.trigger('before-slide-change.fndtn.orbit');
settings.before_slide_change();
self.update_active_link(next_idx);
var callback = function() {
var unlock = function() {
idx = next_idx;
locked = false;
if (start_timer === true) {timer = self.create_timer(); timer.start();}
self.update_slide_number(idx);
slides_container.trigger('after-slide-change.fndtn.orbit',[{slide_number: idx, total_slides: slides.length}]);
settings.after_slide_change(idx, slides.length);
};
if (slides_container.height() != next.height() && settings.variable_height) {
slides_container.animate({'height': next.height()}, 250, 'linear', unlock);
} else {
unlock();
}
};
if (slides.length === 1) {callback(); return false;}
var start_animation = function() {
if (dir === 'next') {animate.next(current, next, callback);}
if (dir === 'prev') {animate.prev(current, next, callback);}
};
if (next.height() > slides_container.height() && settings.variable_height) {
slides_container.animate({'height': next.height()}, 250, 'linear', start_animation);
} else {
start_animation();
}
};
self.next = function(e) {
e.stopImmediatePropagation();
e.preventDefault();
self._goto(idx + 1);
};
self.prev = function(e) {
e.stopImmediatePropagation();
e.preventDefault();
self._goto(idx - 1);
};
self.link_custom = function(e) {
e.preventDefault();
var link = $(this).attr('data-orbit-link');
if ((typeof link === 'string') && (link = $.trim(link)) != "") {
var slide = container.find('[data-orbit-slide='+link+']');
if (slide.index() != -1) {self._goto(slide.index());}
}
};
self.link_bullet = function(e) {
var index = $(this).attr('data-orbit-slide');
if ((typeof index === 'string') && (index = $.trim(index)) != "") {
if(isNaN(parseInt(index)))
{
var slide = container.find('[data-orbit-slide='+index+']');
if (slide.index() != -1) {self._goto(slide.index() + 1);}
}
else
{
self._goto(parseInt(index));
}
}
}
self.timer_callback = function() {
self._goto(idx + 1, true);
}
self.compute_dimensions = function() {
var current = $(self.slides().get(idx));
var h = current.height();
if (!settings.variable_height) {
self.slides().each(function(){
if ($(this).height() > h) { h = $(this).height(); }
});
}
slides_container.height(h);
};
self.create_timer = function() {
var t = new Timer(
container.find('.'+settings.timer_container_class),
settings,
self.timer_callback
);
return t;
};
self.stop_timer = function() {
if (typeof timer === 'object') timer.stop();
};
self.toggle_timer = function() {
var t = container.find('.'+settings.timer_container_class);
if (t.hasClass(settings.timer_paused_class)) {
if (typeof timer === 'undefined') {timer = self.create_timer();}
timer.start();
}
else {
if (typeof timer === 'object') {timer.stop();}
}
};
self.init = function() {
self.build_markup();
if (settings.timer) {
timer = self.create_timer();
Foundation.utils.image_loaded(this.slides().children('img'), timer.start);
}
animate = new FadeAnimation(settings, slides_container);
if (settings.animation === 'slide')
animate = new SlideAnimation(settings, slides_container);
container.on('click', '.'+settings.next_class, self.next);
container.on('click', '.'+settings.prev_class, self.prev);
if (settings.next_on_click) {
container.on('click', '.'+settings.slides_container_class+' [data-orbit-slide]', self.link_bullet);
}
container.on('click', self.toggle_timer);
if (settings.swipe) {
container.on('touchstart.fndtn.orbit', function(e) {
if (!e.touches) {e = e.originalEvent;}
var data = {
start_page_x: e.touches[0].pageX,
start_page_y: e.touches[0].pageY,
start_time: (new Date()).getTime(),
delta_x: 0,
is_scrolling: undefined
};
container.data('swipe-transition', data);
e.stopPropagation();
})
.on('touchmove.fndtn.orbit', function(e) {
if (!e.touches) { e = e.originalEvent; }
// Ignore pinch/zoom events
if(e.touches.length > 1 || e.scale && e.scale !== 1) return;
var data = container.data('swipe-transition');
if (typeof data === 'undefined') {data = {};}
data.delta_x = e.touches[0].pageX - data.start_page_x;
if ( typeof data.is_scrolling === 'undefined') {
data.is_scrolling = !!( data.is_scrolling || Math.abs(data.delta_x) < Math.abs(e.touches[0].pageY - data.start_page_y) );
}
if (!data.is_scrolling && !data.active) {
e.preventDefault();
var direction = (data.delta_x < 0) ? (idx+1) : (idx-1);
data.active = true;
self._goto(direction);
}
})
.on('touchend.fndtn.orbit', function(e) {
container.data('swipe-transition', {});
e.stopPropagation();
})
}
container.on('mouseenter.fndtn.orbit', function(e) {
if (settings.timer && settings.pause_on_hover) {
self.stop_timer();
}
})
.on('mouseleave.fndtn.orbit', function(e) {
if (settings.timer && settings.resume_on_mouseout) {
timer.start();
}
});
$(document).on('click', '[data-orbit-link]', self.link_custom);
$(window).on('load resize', self.compute_dimensions);
Foundation.utils.image_loaded(this.slides().children('img'), self.compute_dimensions);
Foundation.utils.image_loaded(this.slides().children('img'), function() {
container.prev('.'+settings.preloader_class).css('display', 'none');
self.update_slide_number(0);
self.update_active_link(0);
slides_container.trigger('ready.fndtn.orbit');
});
};
self.init();
};
var Timer = function(el, settings, callback) {
var self = this,
duration = settings.timer_speed,
progress = el.find('.'+settings.timer_progress_class),
start,
timeout,
left = -1;
this.update_progress = function(w) {
var new_progress = progress.clone();
new_progress.attr('style', '');
new_progress.css('width', w+'%');
progress.replaceWith(new_progress);
progress = new_progress;
};
this.restart = function() {
clearTimeout(timeout);
el.addClass(settings.timer_paused_class);
left = -1;
self.update_progress(0);
};
this.start = function() {
if (!el.hasClass(settings.timer_paused_class)) {return true;}
left = (left === -1) ? duration : left;
el.removeClass(settings.timer_paused_class);
start = new Date().getTime();
progress.animate({'width': '100%'}, left, 'linear');
timeout = setTimeout(function() {
self.restart();
callback();
}, left);
el.trigger('timer-started.fndtn.orbit')
};
this.stop = function() {
if (el.hasClass(settings.timer_paused_class)) {return true;}
clearTimeout(timeout);
el.addClass(settings.timer_paused_class);
var end = new Date().getTime();
left = left - (end - start);
var w = 100 - ((left / duration) * 100);
self.update_progress(w);
el.trigger('timer-stopped.fndtn.orbit');
};
};
var SlideAnimation = function(settings, container) {
var duration = settings.animation_speed;
var is_rtl = ($('html[dir=rtl]').length === 1);
var margin = is_rtl ? 'marginRight' : 'marginLeft';
var animMargin = {};
animMargin[margin] = '0%';
this.next = function(current, next, callback) {
current.animate({marginLeft:'-100%'}, duration);
next.animate(animMargin, duration, function() {
current.css(margin, '100%');
callback();
});
};
this.prev = function(current, prev, callback) {
current.animate({marginLeft:'100%'}, duration);
prev.css(margin, '-100%');
prev.animate(animMargin, duration, function() {
current.css(margin, '100%');
callback();
});
};
};
var FadeAnimation = function(settings, container) {
var duration = settings.animation_speed;
var is_rtl = ($('html[dir=rtl]').length === 1);
var margin = is_rtl ? 'marginRight' : 'marginLeft';
this.next = function(current, next, callback) {
next.css({'margin':'0%', 'opacity':'0.01'});
next.animate({'opacity':'1'}, duration, 'linear', function() {
current.css('margin', '100%');
callback();
});
};
this.prev = function(current, prev, callback) {
prev.css({'margin':'0%', 'opacity':'0.01'});
prev.animate({'opacity':'1'}, duration, 'linear', function() {
current.css('margin', '100%');
callback();
});
};
};
Foundation.libs = Foundation.libs || {};
Foundation.libs.orbit = {
name: 'orbit',
version: '5.3.1',
settings: {
animation: 'slide',
timer_speed: 10000,
pause_on_hover: true,
resume_on_mouseout: false,
next_on_click: true,
animation_speed: 500,
stack_on_small: false,
navigation_arrows: true,
slide_number: true,
slide_number_text: 'of',
container_class: 'orbit-container',
stack_on_small_class: 'orbit-stack-on-small',
next_class: 'orbit-next',
prev_class: 'orbit-prev',
timer_container_class: 'orbit-timer',
timer_paused_class: 'paused',
timer_progress_class: 'orbit-progress',
slides_container_class: 'orbit-slides-container',
preloader_class: 'preloader',
slide_selector: '*',
bullets_container_class: 'orbit-bullets',
bullets_active_class: 'active',
slide_number_class: 'orbit-slide-number',
caption_class: 'orbit-caption',
active_slide_class: 'active',
orbit_transition_class: 'orbit-transitioning',
bullets: true,
circular: true,
timer: true,
variable_height: false,
swipe: true,
before_slide_change: noop,
after_slide_change: noop
},
init : function (scope, method, options) {
var self = this;
this.bindings(method, options);
},
events : function (instance) {
var orbit_instance = new Orbit(this.S(instance), this.S(instance).data('orbit-init'));
this.S(instance).data(this.name + '-instance', orbit_instance);
},
reflow : function () {
var self = this;
if (self.S(self.scope).is('[data-orbit]')) {
var $el = self.S(self.scope);
var instance = $el.data(self.name + '-instance');
instance.compute_dimensions();
} else {
self.S('[data-orbit]', self.scope).each(function(idx, el) {
var $el = self.S(el);
var opts = self.data_options($el);
var instance = $el.data(self.name + '-instance');
instance.compute_dimensions();
});
}
}
};
}(jQuery, window, window.document));