517 lines
14 KiB
JavaScript
517 lines
14 KiB
JavaScript
/*jslint unparam: true, browser: true, indent: 2 */
|
|
|
|
;(function ($, window, document, undefined) {
|
|
'use strict';
|
|
|
|
Foundation.libs.clearing = {
|
|
name : 'clearing',
|
|
|
|
version : '4.1.3',
|
|
|
|
settings : {
|
|
templates : {
|
|
viewing : '<a href="#" class="clearing-close">×</a>' +
|
|
'<div class="visible-img" style="display: none"><img src="//:0">' +
|
|
'<p class="clearing-caption"></p><a href="#" class="clearing-main-prev"><span></span></a>' +
|
|
'<a href="#" class="clearing-main-next"><span></span></a></div>'
|
|
},
|
|
|
|
// comma delimited list of selectors that, on click, will close clearing,
|
|
// add 'div.clearing-blackout, div.visible-img' to close on background click
|
|
close_selectors : '.clearing-close',
|
|
|
|
// event initializers and locks
|
|
init : false,
|
|
locked : false
|
|
},
|
|
|
|
init : function (scope, method, options) {
|
|
var self = this;
|
|
Foundation.inherit(this, 'set_data get_data remove_data throttle data_options');
|
|
|
|
if (typeof method === 'object') {
|
|
options = $.extend(true, this.settings, method);
|
|
}
|
|
|
|
if (typeof method != 'string') {
|
|
$(this.scope).find('ul[data-clearing]').each(function () {
|
|
var $el = $(this),
|
|
options = options || {},
|
|
lis = $el.find('li'),
|
|
settings = self.get_data($el);
|
|
|
|
if (!settings && lis.length > 0) {
|
|
options.$parent = $el.parent();
|
|
|
|
self.set_data($el, $.extend({}, self.settings, options, self.data_options($el)));
|
|
|
|
self.assemble($el.find('li'));
|
|
|
|
if (!self.settings.init) {
|
|
self.events().swipe_events();
|
|
}
|
|
}
|
|
});
|
|
|
|
return this.settings.init;
|
|
} else {
|
|
// fire method
|
|
return this[method].call(this, options);
|
|
}
|
|
},
|
|
|
|
// event binding and initial setup
|
|
|
|
events : function () {
|
|
var self = this;
|
|
|
|
$(this.scope)
|
|
.on('click.fndtn.clearing', 'ul[data-clearing] li',
|
|
function (e, current, target) {
|
|
var current = current || $(this),
|
|
target = target || current,
|
|
next = current.next('li'),
|
|
settings = self.get_data(current.parent()),
|
|
image = $(e.target);
|
|
|
|
e.preventDefault();
|
|
if (!settings) self.init();
|
|
|
|
// if clearing is open and the current image is
|
|
// clicked, go to the next image in sequence
|
|
if (target.hasClass('visible')
|
|
&& current[0] === target[0]
|
|
&& next.length > 0 && self.is_open(current)) {
|
|
target = next;
|
|
image = target.find('img');
|
|
}
|
|
|
|
// set current and target to the clicked li if not otherwise defined.
|
|
self.open(image, current, target);
|
|
self.update_paddles(target);
|
|
})
|
|
|
|
.on('click.fndtn.clearing', '.clearing-main-next',
|
|
function (e) { this.nav(e, 'next') }.bind(this))
|
|
.on('click.fndtn.clearing', '.clearing-main-prev',
|
|
function (e) { this.nav(e, 'prev') }.bind(this))
|
|
.on('click.fndtn.clearing', this.settings.close_selectors,
|
|
function (e) { Foundation.libs.clearing.close(e, this) })
|
|
.on('keydown.fndtn.clearing',
|
|
function (e) { this.keydown(e) }.bind(this));
|
|
|
|
$(window).on('resize.fndtn.clearing',
|
|
function () { this.resize() }.bind(this));
|
|
|
|
this.settings.init = true;
|
|
return this;
|
|
},
|
|
|
|
swipe_events : function () {
|
|
var self = this;
|
|
|
|
$(this.scope)
|
|
.on('touchstart.fndtn.clearing', '.visible-img', 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
|
|
};
|
|
|
|
$(this).data('swipe-transition', data);
|
|
e.stopPropagation();
|
|
})
|
|
.on('touchmove.fndtn.clearing', '.visible-img', 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 = $(this).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) ? 'next' : 'prev';
|
|
data.active = true;
|
|
self.nav(e, direction);
|
|
}
|
|
})
|
|
.on('touchend.fndtn.clearing', '.visible-img', function(e) {
|
|
$(this).data('swipe-transition', {});
|
|
e.stopPropagation();
|
|
});
|
|
},
|
|
|
|
assemble : function ($li) {
|
|
var $el = $li.parent();
|
|
$el.after('<div id="foundationClearingHolder"></div>');
|
|
|
|
var holder = $('#foundationClearingHolder'),
|
|
settings = this.get_data($el),
|
|
grid = $el.detach(),
|
|
data = {
|
|
grid: '<div class="carousel">' + this.outerHTML(grid[0]) + '</div>',
|
|
viewing: settings.templates.viewing
|
|
},
|
|
wrapper = '<div class="clearing-assembled"><div>' + data.viewing +
|
|
data.grid + '</div></div>';
|
|
|
|
return holder.after(wrapper).remove();
|
|
},
|
|
|
|
// event callbacks
|
|
|
|
open : function ($image, current, target) {
|
|
var root = target.closest('.clearing-assembled'),
|
|
container = root.find('div').first(),
|
|
visible_image = container.find('.visible-img'),
|
|
image = visible_image.find('img').not($image);
|
|
|
|
if (!this.locked()) {
|
|
// set the image to the selected thumbnail
|
|
image
|
|
.attr('src', this.load($image))
|
|
.css('visibility', 'hidden');
|
|
|
|
this.loaded(image, function () {
|
|
image.css('visibility', 'visible');
|
|
// toggle the gallery
|
|
root.addClass('clearing-blackout');
|
|
container.addClass('clearing-container');
|
|
visible_image.show();
|
|
this.fix_height(target)
|
|
.caption(visible_image.find('.clearing-caption'), $image)
|
|
.center(image)
|
|
.shift(current, target, function () {
|
|
target.siblings().removeClass('visible');
|
|
target.addClass('visible');
|
|
});
|
|
}.bind(this));
|
|
}
|
|
},
|
|
|
|
close : function (e, el) {
|
|
e.preventDefault();
|
|
|
|
var root = (function (target) {
|
|
if (/blackout/.test(target.selector)) {
|
|
return target;
|
|
} else {
|
|
return target.closest('.clearing-blackout');
|
|
}
|
|
}($(el))), container, visible_image;
|
|
|
|
if (el === e.target && root) {
|
|
container = root.find('div').first();
|
|
visible_image = container.find('.visible-img');
|
|
this.settings.prev_index = 0;
|
|
root.find('ul[data-clearing]')
|
|
.attr('style', '').closest('.clearing-blackout')
|
|
.removeClass('clearing-blackout');
|
|
container.removeClass('clearing-container');
|
|
visible_image.hide();
|
|
}
|
|
|
|
return false;
|
|
},
|
|
|
|
is_open : function (current) {
|
|
return current.parent().attr('style').length > 0;
|
|
},
|
|
|
|
keydown : function (e) {
|
|
var clearing = $('.clearing-blackout').find('ul[data-clearing]');
|
|
|
|
if (e.which === 39) this.go(clearing, 'next');
|
|
if (e.which === 37) this.go(clearing, 'prev');
|
|
if (e.which === 27) $('a.clearing-close').trigger('click');
|
|
},
|
|
|
|
nav : function (e, direction) {
|
|
var clearing = $('.clearing-blackout').find('ul[data-clearing]');
|
|
|
|
e.preventDefault();
|
|
this.go(clearing, direction);
|
|
},
|
|
|
|
resize : function () {
|
|
var image = $('.clearing-blackout .visible-img').find('img');
|
|
|
|
if (image.length) {
|
|
this.center(image);
|
|
}
|
|
},
|
|
|
|
// visual adjustments
|
|
fix_height : function (target) {
|
|
var lis = target.parent().children(),
|
|
self = this;
|
|
|
|
lis.each(function () {
|
|
var li = $(this),
|
|
image = li.find('img');
|
|
|
|
if (li.height() > self.outerHeight(image)) {
|
|
li.addClass('fix-height');
|
|
}
|
|
})
|
|
.closest('ul')
|
|
.width(lis.length * 100 + '%');
|
|
|
|
return this;
|
|
},
|
|
|
|
update_paddles : function (target) {
|
|
var visible_image = target
|
|
.closest('.carousel')
|
|
.siblings('.visible-img');
|
|
|
|
if (target.next().length > 0) {
|
|
visible_image
|
|
.find('.clearing-main-next')
|
|
.removeClass('disabled');
|
|
} else {
|
|
visible_image
|
|
.find('.clearing-main-next')
|
|
.addClass('disabled');
|
|
}
|
|
|
|
if (target.prev().length > 0) {
|
|
visible_image
|
|
.find('.clearing-main-prev')
|
|
.removeClass('disabled');
|
|
} else {
|
|
visible_image
|
|
.find('.clearing-main-prev')
|
|
.addClass('disabled');
|
|
}
|
|
},
|
|
|
|
center : function (target) {
|
|
if (!this.rtl) {
|
|
target.css({
|
|
marginLeft : -(this.outerWidth(target) / 2),
|
|
marginTop : -(this.outerHeight(target) / 2)
|
|
});
|
|
} else {
|
|
target.css({
|
|
marginRight : -(this.outerWidth(target) / 2),
|
|
marginTop : -(this.outerHeight(target) / 2)
|
|
});
|
|
}
|
|
return this;
|
|
},
|
|
|
|
// image loading and preloading
|
|
|
|
load : function ($image) {
|
|
if ($image[0].nodeName === "A") {
|
|
var href = $image.attr('href');
|
|
} else {
|
|
var href = $image.parent().attr('href');
|
|
}
|
|
|
|
this.preload($image);
|
|
|
|
if (href) return href;
|
|
return $image.attr('src');
|
|
},
|
|
|
|
preload : function ($image) {
|
|
this
|
|
.img($image.closest('li').next())
|
|
.img($image.closest('li').prev());
|
|
},
|
|
|
|
loaded : function (image, callback) {
|
|
// based on jquery.imageready.js
|
|
// @weblinc, @jsantell, (c) 2012
|
|
|
|
function loaded () {
|
|
callback();
|
|
}
|
|
|
|
function bindLoad () {
|
|
this.one('load', loaded);
|
|
|
|
if (/MSIE (\d+\.\d+);/.test(navigator.userAgent)) {
|
|
var src = this.attr( 'src' ),
|
|
param = src.match( /\?/ ) ? '&' : '?';
|
|
|
|
param += 'random=' + (new Date()).getTime();
|
|
this.attr('src', src + param);
|
|
}
|
|
}
|
|
|
|
if (!image.attr('src')) {
|
|
loaded();
|
|
return;
|
|
}
|
|
|
|
if (image[0].complete || image[0].readyState === 4) {
|
|
loaded();
|
|
} else {
|
|
bindLoad.call(image);
|
|
}
|
|
},
|
|
|
|
img : function (img) {
|
|
if (img.length) {
|
|
var new_img = new Image(),
|
|
new_a = img.find('a');
|
|
|
|
if (new_a.length) {
|
|
new_img.src = new_a.attr('href');
|
|
} else {
|
|
new_img.src = img.find('img').attr('src');
|
|
}
|
|
}
|
|
return this;
|
|
},
|
|
|
|
// image caption
|
|
|
|
caption : function (container, $image) {
|
|
var caption = $image.data('caption');
|
|
|
|
if (caption) {
|
|
container
|
|
.text(caption)
|
|
.show();
|
|
} else {
|
|
container
|
|
.text('')
|
|
.hide();
|
|
}
|
|
return this;
|
|
},
|
|
|
|
// directional methods
|
|
|
|
go : function ($ul, direction) {
|
|
var current = $ul.find('.visible'),
|
|
target = current[direction]();
|
|
|
|
if (target.length) {
|
|
target
|
|
.find('img')
|
|
.trigger('click', [current, target]);
|
|
}
|
|
},
|
|
|
|
shift : function (current, target, callback) {
|
|
var clearing = target.parent(),
|
|
old_index = this.settings.prev_index || target.index(),
|
|
direction = this.direction(clearing, current, target),
|
|
left = parseInt(clearing.css('left'), 10),
|
|
width = this.outerWidth(target),
|
|
skip_shift;
|
|
|
|
// we use jQuery animate instead of CSS transitions because we
|
|
// need a callback to unlock the next animation
|
|
if (target.index() !== old_index && !/skip/.test(direction)){
|
|
if (/left/.test(direction)) {
|
|
this.lock();
|
|
clearing.animate({left : left + width}, 300, this.unlock());
|
|
} else if (/right/.test(direction)) {
|
|
this.lock();
|
|
clearing.animate({left : left - width}, 300, this.unlock());
|
|
}
|
|
} else if (/skip/.test(direction)) {
|
|
// the target image is not adjacent to the current image, so
|
|
// do we scroll right or not
|
|
skip_shift = target.index() - this.settings.up_count;
|
|
this.lock();
|
|
|
|
if (skip_shift > 0) {
|
|
clearing.animate({left : -(skip_shift * width)}, 300, this.unlock());
|
|
} else {
|
|
clearing.animate({left : 0}, 300, this.unlock());
|
|
}
|
|
}
|
|
|
|
callback();
|
|
},
|
|
|
|
direction : function ($el, current, target) {
|
|
var lis = $el.find('li'),
|
|
li_width = this.outerWidth(lis) + (this.outerWidth(lis) / 4),
|
|
up_count = Math.floor(this.outerWidth($('.clearing-container')) / li_width) - 1,
|
|
target_index = lis.index(target),
|
|
response;
|
|
|
|
this.settings.up_count = up_count;
|
|
|
|
if (this.adjacent(this.settings.prev_index, target_index)) {
|
|
if ((target_index > up_count)
|
|
&& target_index > this.settings.prev_index) {
|
|
response = 'right';
|
|
} else if ((target_index > up_count - 1)
|
|
&& target_index <= this.settings.prev_index) {
|
|
response = 'left';
|
|
} else {
|
|
response = false;
|
|
}
|
|
} else {
|
|
response = 'skip';
|
|
}
|
|
|
|
this.settings.prev_index = target_index;
|
|
|
|
return response;
|
|
},
|
|
|
|
adjacent : function (current_index, target_index) {
|
|
for (var i = target_index + 1; i >= target_index - 1; i--) {
|
|
if (i === current_index) return true;
|
|
}
|
|
return false;
|
|
},
|
|
|
|
// lock management
|
|
|
|
lock : function () {
|
|
this.settings.locked = true;
|
|
},
|
|
|
|
unlock : function () {
|
|
this.settings.locked = false;
|
|
},
|
|
|
|
locked : function () {
|
|
return this.settings.locked;
|
|
},
|
|
|
|
// plugin management/browser quirks
|
|
|
|
outerHTML : function (el) {
|
|
// support FireFox < 11
|
|
return el.outerHTML || new XMLSerializer().serializeToString(el);
|
|
},
|
|
|
|
off : function () {
|
|
$(this.scope).off('.fndtn.clearing');
|
|
$(window).off('.fndtn.clearing');
|
|
this.remove_data(); // empty settings cache
|
|
this.settings.init = false;
|
|
},
|
|
|
|
reflow : function () {
|
|
this.init();
|
|
}
|
|
};
|
|
|
|
}(Foundation.zj, this, this.document));
|