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jquery.poptrox.js
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jquery.poptrox.js
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/* jquery.poptrox.js v2.5.1 | (c) n33 | n33.co | MIT licensed */
(function($) {
// Disables selection
$.fn.poptrox_disableSelection = function() { return $(this).css('user-select', 'none').css('-khtml-user-select', 'none').css('-moz-user-select', 'none').css('-o-user-select', 'none').css('-webkit-user-select', 'none'); }
// Poptrox prototype method
$.fn.poptrox = function(options) {
// Handle no elements.
if (this.length == 0)
return $(this);
// Handle multiple elements.
if (this.length > 1) {
for (var i=0; i < this.length; i++)
$(this[i]).poptrox(options);
return $(this);
}
// Settings
var settings = $.extend({
preload: false, // If true, preload fullsize images in the background
baseZIndex: 1000, // Base Z-Index
fadeSpeed: 300, // Global fade speed
overlayColor: '#000000', // Overlay color
overlayOpacity: 0.6, // Overlay opacity
overlayClass: 'poptrox-overlay', // Overlay class
windowMargin: 50, // Window margin size (in pixels; only comes into play when an image is larger than the viewport)
windowHeightPad: 0, // Window height pad
selector: 'a', // Anchor tag selector
caption: null, // Caption settings (see docs)
parent: 'body', // Parent selector (ie. where all the popup/overlay stuff gets added).
popupSpeed: 300, // Popup (resize) speed
popupWidth: 200, // Popup width
popupHeight: 100, // Popup height
popupIsFixed: false, // If true, popup won't resize to fit images
useBodyOverflow: false, // If true, the BODY tag is set to overflow: hidden when the popup is visible
usePopupEasyClose: true, // If true, popup can be closed by clicking on it anywhere
usePopupForceClose: false, // If true, popup can be closed even while content is loading
usePopupLoader: true, // If true, show the popup loader
usePopupCloser: true, // If true, show the popup closer button/link
usePopupCaption: false, // If true, show the popup image caption
usePopupNav: false, // If true, show (and use) popup navigation
usePopupDefaultStyling: true, // If true, default popup styling will be applied (background color, text color, etc)
popupBackgroundColor: '#FFFFFF', // (Default Style) Popup background color (when usePopupStyling = true)
popupTextColor: '#000000', // (Default Style) Popup text color (when usePopupStyling = true)
popupLoaderTextSize: '2em', // (Default Style) Popup loader text size
popupCloserBackgroundColor: '#000000', // (Default Style) Popup closer background color (when usePopupStyling = true)
popupCloserTextColor: '#FFFFFF', // (Default Style) Popup closer text color (when usePopupStyling = true)
popupCloserTextSize: '20px', // (Default Style) Popup closer text size
popupPadding: 10, // (Default Style) Popup padding (when usePopupStyling = true)
popupCaptionHeight: 60, // (Default Style) Popup height of caption area
popupCaptionTextSize: null, // (Default Style) Popup caption text size
popupBlankCaptionText: '(untitled)', // Applied to images that don't have captions (when captions are enabled)
popupCloserText: '×', // Popup closer text
popupLoaderText: '••••', // Popup loader text
popupClass: 'poptrox-popup', // Popup class
popupSelector: null, // (Advanced) Popup selector (use this if you want to replace the built-in popup)
popupLoaderSelector: '.loader', // (Advanced) Popup Loader selector
popupCloserSelector: '.closer', // (Advanced) Popup Closer selector
popupCaptionSelector: '.caption', // (Advanced) Popup Caption selector
popupNavPreviousSelector: '.nav-previous', // (Advanced) Popup Nav Previous selector
popupNavNextSelector: '.nav-next', // (Advanced) Popup Nav Next selector
onPopupClose: null, // Called when popup closes
onPopupOpen: null // Called when popup opens
}, options);
// Variables
var $this = $(this),
$body = $('body'),
$overlay = $('<div class="' + settings.overlayClass + '"></div>'),
$window = $(window);
var windowWidth,
windowHeight,
queue = [],
navPos = 0,
isLocked = false,
cache = new Array();
function updateWH() {
windowWidth = $(window).width();
windowHeight = $(window).height() + settings.windowHeightPad;
var dw = Math.abs($popup.width() - $popup.outerWidth()), dh = Math.abs($popup.height() - $popup.outerHeight());
var nw = $x.width(), nh = $x.height();
var maxw = windowWidth - (settings.windowMargin * 2) - dw, maxh = windowHeight - (settings.windowMargin * 2) - dh;
$popup
.css('min-width', settings.popupWidth)
.css('min-height', settings.popupHeight);
$pic.children()
.css('max-width', maxw)
.css('max-height', maxh);
}
// Disable unused features
if (!settings.usePopupLoader)
settings.popupLoaderSelector = null;
if (!settings.usePopupCloser)
settings.popupCloserSelector = null;
if (!settings.usePopupCaption)
settings.popupCaptionSelector = null;
if (!settings.usePopupNav) {
settings.popupNavPreviousSelector = null;
settings.popupNavNextSelector = null;
}
// Get popup
var $popup;
if (settings.popupSelector)
$popup = $(settings.popupSelector);
else
$popup = $('<div class="' + settings.popupClass + '">' + (settings.popupLoaderSelector ? '<div class="loader">' + settings.popupLoaderText + '</div>' : '') + '<div class="pic"></div>' + (settings.popupCaptionSelector ? '<div class="caption"></div>' : '') + (settings.popupCloserSelector ? '<span class="closer">' + settings.popupCloserText + '</span>' : '') + (settings.popupNavPreviousSelector ? '<div class="nav-previous"></div>' : '') + (settings.popupNavNextSelector ? '<div class="nav-next"></div>' : '') + '</div>');
// Get popup components
var $pic = $popup.find('.pic'),
$x = $(),
$loader = $popup.find(settings.popupLoaderSelector),
$caption = $popup.find(settings.popupCaptionSelector),
$closer = $popup.find(settings.popupCloserSelector),
$nav_next = $popup.find(settings.popupNavNextSelector),
$nav_previous = $popup.find(settings.popupNavPreviousSelector),
$nav = $nav_next.add($nav_previous);
// Apply default styling?
if (settings.usePopupDefaultStyling) {
$popup
.css('background', settings.popupBackgroundColor)
.css('color', settings.popupTextColor)
.css('padding', settings.popupPadding + 'px');
if ($caption.length > 0) {
$popup
.css('padding-bottom', settings.popupCaptionHeight + 'px');
$caption
.css('position', 'absolute')
.css('left', '0')
.css('bottom', '0')
.css('width', '100%')
.css('text-align', 'center')
.css('height', settings.popupCaptionHeight + 'px')
.css('line-height', settings.popupCaptionHeight + 'px');
if (settings.popupCaptionTextSize)
$caption.css('font-size', popupCaptionTextSize);
}
if ($closer.length > 0)
$closer
.html(settings.popupCloserText)
.css('font-size', settings.popupCloserTextSize)
.css('background', settings.popupCloserBackgroundColor)
.css('color', settings.popupCloserTextColor)
.css('display', 'block')
.css('width', '40px')
.css('height', '40px')
.css('line-height', '40px')
.css('text-align', 'center')
.css('position', 'absolute')
.css('text-decoration', 'none')
.css('outline', '0')
.css('top', '0')
.css('right', '-40px');
if ($loader.length > 0) {
$loader
.html('')
.css('position', 'relative')
.css('font-size', settings.popupLoaderTextSize)
.on('startSpinning', function(e) {
var x = $('<div>' + settings.popupLoaderText + '</div>');
x
.css('height', Math.floor(settings.popupHeight / 2) + 'px')
.css('overflow', 'hidden')
.css('line-height', Math.floor(settings.popupHeight / 2) + 'px')
.css('text-align', 'center')
.css('margin-top', Math.floor(($popup.height() - x.height() + ($caption.length > 0 ? $caption.height() : 0)) / 2))
.css('color', (settings.popupTextColor ? settings.popupTextColor : ''))
.on('xfin', function() { x.fadeTo(300, 0.5, function() { x.trigger('xfout'); }); })
.on('xfout', function() { x.fadeTo(300, 0.05, function() { x.trigger('xfin'); }); })
.trigger('xfin');
$loader.append(x);
})
.on('stopSpinning', function(e) {
var x = $loader.find('div');
x.remove();
});
}
if ($nav.length == 2) {
$nav
.css('font-size', '75px')
.css('text-align', 'center')
.css('color', '#fff')
.css('text-shadow', 'none')
.css('height', '100%')
.css('position', 'absolute')
.css('top', '0')
.css('opacity', '0.35')
.css('cursor', 'pointer')
.css('box-shadow', 'inset 0px 0px 10px 0px rgba(0,0,0,0)')
.poptrox_disableSelection();
var wn, wp;
if (settings.usePopupEasyClose) {
wn = '100px';
wp = '100px';
}
else {
wn = '75%';
wp = '25%';
}
$nav_next
.css('right', '0')
.css('width', wn)
.html('<div style="position: absolute; height: 100px; width: 125px; top: 50%; right: 0; margin-top: -50px;">></div>');
$nav_previous
.css('left', '0')
.css('width', wp)
.html('<div style="position: absolute; height: 100px; width: 125px; top: 50%; left: 0; margin-top: -50px;"><</div>');
}
}
// Main
$window
.on('resize orientationchange', function() {
updateWH();
});
$caption
.on('update', function(e, s) {
if (!s || s.length == 0)
s = settings.popupBlankCaptionText;
$caption.html(s);
});
$closer
.css('cursor', 'pointer')
.on('click', function(e) {
e.preventDefault();
e.stopPropagation();
$popup.trigger('poptrox_close');
return true;
});
$nav_next
.on('click', function(e) {
e.stopPropagation();
e.preventDefault();
$popup.trigger('poptrox_next');
});
$nav_previous
.on('click', function(e) {
e.stopPropagation();
e.preventDefault();
$popup.trigger('poptrox_previous');
});
$overlay
.css('position', 'fixed')
.css('left', 0)
.css('top', 0)
.css('z-index', settings.baseZIndex)
.css('width', '100%')
.css('height', '100%')
.css('text-align', 'center')
.css('cursor', 'pointer')
.appendTo(settings.parent)
.prepend('<div style="display:inline-block;height:100%;vertical-align:middle;"></div>')
.append('<div style="position:absolute;left:0;top:0;width:100%;height:100%;background:' + settings.overlayColor + ';opacity:' + settings.overlayOpacity + ';filter:alpha(opacity=' + (settings.overlayOpacity * 100) + ');"></div>')
.hide()
.on('touchmove', function(e) {
return false;
})
.on('click', function(e) {
e.preventDefault();
e.stopPropagation();
$popup.trigger('poptrox_close');
});
$popup
.css('display', 'inline-block')
.css('vertical-align', 'middle')
.css('position', 'relative')
.css('z-index', 1)
.css('cursor', 'auto')
.appendTo($overlay)
.hide()
.on('poptrox_next', function() {
var x = navPos + 1;
if (x >= queue.length)
x = 0;
$popup.trigger('poptrox_switch', [x]);
})
.on('poptrox_previous', function() {
var x = navPos - 1;
if (x < 0)
x = queue.length - 1;
$popup.trigger('poptrox_switch', [x]);
})
.on('poptrox_reset', function() {
updateWH();
$popup
.data('width', settings.popupWidth)
.data('height', settings.popupHeight);
$loader.hide().trigger('stopSpinning');
$caption.hide();
$closer.hide();
$nav.hide();
$pic.hide();
$x
.attr('src', '')
.detach();
})
.on('poptrox_open', function(e, index) {
if (isLocked)
return true;
isLocked = true;
if (settings.useBodyOverflow)
$body.css('overflow', 'hidden');
if (settings.onPopupOpen)
(settings.onPopupOpen)();
$overlay
.fadeTo(settings.fadeSpeed, 1.0, function() {
$popup.trigger('poptrox_switch', [index, true]);
});
})
.on('poptrox_switch', function(e, index, ignoreLock) {
var x, img;
if (!ignoreLock && isLocked)
return true;
isLocked = true;
$popup
.css('width', $popup.data('width'))
.css('height', $popup.data('height'));
// Cleanup from previous
$caption.hide();
if ($x.attr('src'))
$x.attr('src', '');
$x.detach();
// Activate new object
x = queue[index];
$x = x.object;
$x.off('load');
$pic
.css('text-indent', '-9999px')
.show()
.append($x);
if (x.type == 'ajax')
$.get(x.src, function(data) {
$x.html(data);
$x.trigger('load');
});
else
$x.attr('src', x.src);
if (x.type != 'image') {
var xwidth, xheight;
xwidth = x.width;
xheight = x.height;
if (xwidth.slice(-1) == '%')
xwidth = (parseInt(xwidth.substring(0, xwidth.length - 1)) / 100.00) * $window.width();
if (xheight.slice(-1) == '%')
xheight = (parseInt(xheight.substring(0, xheight.length - 1)) / 100.00) * $window.height();
$x
.css('position', 'relative')
.css('outline', '0')
.css('z-index', settings.baseZIndex + 100)
.width(xwidth)
.height(xheight);
}
// Initialize
$loader.trigger('startSpinning').fadeIn(300);
$popup.show();
if (settings.popupIsFixed) {
$popup
.width(settings.popupWidth)
.height(settings.popupHeight);
$x.load(function() {
$x.off('load');
$loader.hide().trigger('stopSpinning');
$caption.trigger('update', [x.captionText]).fadeIn(settings.fadeSpeed);
$closer.fadeIn(settings.fadeSpeed);
$pic.css('text-indent', 0).hide().fadeIn(settings.fadeSpeed, function() { isLocked = false; });
navPos = index;
$nav.fadeIn(settings.fadeSpeed);
});
}
else {
$x.load(function() {
updateWH();
$x.off('load');
$loader.hide().trigger('stopSpinning');
var nw = $x.width(),
nh = $x.height(),
f = function() {
$caption.trigger('update', [x.captionText]).fadeIn(settings.fadeSpeed);
$closer.fadeIn(settings.fadeSpeed);
$pic.css('text-indent', 0).hide().fadeIn(settings.fadeSpeed, function() { isLocked = false; });
navPos = index;
$nav.fadeIn(settings.fadeSpeed);
$popup
.data('width', nw)
.data('height', nh)
.css('width', 'auto')
.css('height', 'auto');
};
if (nw == $popup.data('width')
&& nh == $popup.data('height'))
(f)();
else
$popup.animate({ width: nw, height: nh }, settings.popupSpeed, 'swing', f);
});
}
if (x.type != 'image')
$x.trigger('load');
})
.on('poptrox_close', function() {
if (isLocked
&& !settings.usePopupForceClose)
return true;
isLocked = true;
$popup
.hide()
.trigger('poptrox_reset');
if (settings.onPopupClose)
(settings.onPopupClose)();
$overlay
.fadeOut(settings.fadeSpeed, function() {
if (settings.useBodyOverflow)
$body.css('overflow', 'auto');
isLocked = false;
});
})
.trigger('poptrox_reset');
// Easy close.
if (settings.usePopupEasyClose) {
$caption.on('click', 'a', function(e) {
e.stopPropagation();
});
$popup
.css('cursor', 'pointer')
.on('click', function(e) {
e.stopPropagation();
e.preventDefault();
$popup.trigger('poptrox_close');
});
}
else
$popup
.on('click', function(e) {
e.stopPropagation();
});
$window
.keydown(function(e) {
if ($popup.is(':visible')) {
switch (e.keyCode) {
case 37:
case 32:
if (settings.usePopupNav) {
$popup.trigger('poptrox_previous');
return false;
}
break;
case 39:
if (settings.usePopupNav) {
$popup.trigger('poptrox_next');
return false;
}
break;
case 27:
$popup.trigger('poptrox_close');
return false;
break;
}
}
});
$this.find(settings.selector).each(function(index) {
var x, tmp, a = $(this), i = a.find('img'), data = a.data('poptrox');
// Ignore? Skip.
if (data == 'ignore')
return;
// No href? Bail.
if (!a.attr('href'))
return;
x = {
src: a.attr('href'),
captionText: i.attr('title'),
width: null,
height: null,
type: null,
object: null,
options: null
};
// Determine caption.
// No caption setting? Use default (title attribute of image).
if (!settings.caption)
c = i.attr('title');
// Function?
else if (typeof(settings.caption) == 'function')
c = (settings.caption)(a);
// Selector?
else if ('selector' in settings.caption) {
var s;
s = a.find(settings.caption.selector);
if ('attribute' in settings.caption)
c = s.attr(settings.caption.attribute);
else {
c = s.html();
if (settings.caption.remove === true)
s.remove();
}
}
x.captionText = c;
// If a data attribute exists, use it
if (data) {
var b = data.split(',');
// Type.
if (0 in b)
x.type = b[0];
// Size.
if (1 in b) {
tmp = b[1].match(/([0-9%]+)x([0-9%]+)/);
if (tmp && tmp.length == 3) {
x.width = tmp[1];
x.height = tmp[2];
}
}
// Options.
if (2 in b)
x.options = b[2];
}
// No type? Attempt to guess it based on the href's domain
if (!x.type) {
tmp = x.src.match(/\/\/([a-z0-9\.]+)\/.*/);
if (!tmp || tmp.length < 2)
tmp = [false];
switch (tmp[1]) {
case 'api.soundcloud.com':
x.type = 'soundcloud';
break;
case 'youtu.be':
x.type = 'youtube';
break;
case 'vimeo.com':
x.type = 'vimeo';
break;
case 'wistia.net':
x.type = 'wistia';
break;
case 'bcove.me':
x.type = 'bcove';
break;
default:
x.type = 'image';
break;
}
}
// Create object (based on type)
tmp = x.src.match(/\/\/[a-z0-9\.]+\/(.*)/);
switch (x.type) {
case 'iframe':
x.object = $('<iframe src="" frameborder="0"></iframe>');
x.object
.on('click', function(e) { e.stopPropagation(); })
.css('cursor', 'auto');
if (!x.width || !x.height) {
x.width = "600";
x.height = "400";
}
break;
case 'ajax':
x.object = $('<div class="poptrox-ajax"></div>');
x.object
.on('click', function(e) { e.stopPropagation(); })
.css('cursor', 'auto')
.css('overflow', 'auto');
if (!x.width || !x.height) {
x.width = "600";
x.height = "400";
}
break;
case 'soundcloud':
x.object = $('<iframe scrolling="no" frameborder="no" src=""></iframe>');
x.src = '//w.soundcloud.com/player/?url=' + escape(x.src) + (x.options ? '&' + x.options : '');
x.width = '600';
x.height = "166";
break;
case 'youtube':
x.object = $('<iframe src="" frameborder="0" allowfullscreen="1"></iframe>');
x.src = '//www.youtube.com/embed/' + tmp[1] + (x.options ? '?' + x.options : '');
if (!x.width || !x.height) {
x.width = "800";
x.height = "480";
}
break;
case 'vimeo':
x.object = $('<iframe src="" frameborder="0" allowFullScreen="1"></iframe>');
x.src = '//player.vimeo.com/video/' + tmp[1] + (x.options ? '?' + x.options : '');
if (!x.width || !x.height) {
x.width = "800";
x.height = "480";
}
break;
case 'wistia':
x.object = $('<iframe src="" frameborder="0" allowFullScreen="1"></iframe>');
x.src = '//fast.wistia.net/' + tmp[1] + (x.options ? '?' + x.options : '');
if (!x.width || !x.height) {
x.width = "800";
x.height = "480";
}
break;
case 'bcove':
x.object = $('<iframe src="" frameborder="0" allowFullScreen="1" width="100%"></iframe>');
x.src = '//bcove.me/' + tmp[1] + (x.options ? '?' + x.options : '');
if (!x.width || !x.height) {
x.width = "640";
x.height = "360";
}
break;
default:
x.object = $('<img src="" alt="" style="vertical-align:bottom" />');
if (settings.preload) {
var tmp = document.createElement('img');
tmp.src = x.src; cache.push(tmp);
}
x.width = a.attr('width');
x.height = a.attr('height');
break;
}
// Fix src if protocol is 'file'.
if (window.location.protocol == 'file:'
&& x.src.match(/^\/\//))
x.src = 'http:' + x.src;
queue.push(x);
i.attr('title', '');
a
.attr('href', '')
.css('outline', 0)
.on('click', function(e) {
e.preventDefault();
e.stopPropagation();
$popup.trigger('poptrox_open', [index]);
});
});
return $(this);
};
})(jQuery);