bpopup from http://dinbror.dk/bpopup
此腳本不應該直接安裝，它是一個供其他腳本使用的函式庫。欲使用本函式庫，請在腳本 metadata 寫上： // @require https://update.gf.qytechs.cn/scripts/2723/7539/bPopup.js
/*===================================================================================================================
* @name: bPopup
* @type: jQuery
* @author: (c) Bjoern Klinggaard - @bklinggaard
* @demo: http://dinbror.dk/bpopup
* @version: 0.9.4
* @requires jQuery 1.4.3
*==================================================================================================================*/
// Do With It What You Want But Please Visit My Sponsor license: http://dinbror.dk/blog/bpopup/#license */
;(function($) {
'use strict';
$.fn.bPopup = function(options, callback) {
if ($.isFunction(options)) {
callback = options;
options = null;
}
// OPTIONS
var o = $.extend({}, $.fn.bPopup.defaults, options);
// HIDE SCROLLBAR?
if (!o.scrollBar)
$('html').css('overflow', 'hidden');
// VARIABLES
var $popup = this
, d = $(document)
, w = window
, $w = $(w)
, wH = windowHeight()
, wW = windowWidth()
, prefix = '__b-popup'
, isIOS6X = (/OS 6(_\d)+/i).test(navigator.userAgent) // Used for a temporary fix for ios6 timer bug when using zoom/scroll
, buffer = 200
, popups = 0
, id
, inside
, fixedVPos
, fixedHPos
, fixedPosStyle
, vPos
, hPos
, height
, width
, debounce
;
////////////////////////////////////////////////////////////////////////////////////////////////////////////
// PUBLIC FUNCTION - call it: $(element).bPopup().close();
////////////////////////////////////////////////////////////////////////////////////////////////////////////
$popup.close = function() {
o = this.data('bPopup');
id = prefix +$w.data('bPopup') + '__';
close();
};
return $popup.each(function() {
if ($(this).data('bPopup')) return; //POPUP already exists?
init();
});
////////////////////////////////////////////////////////////////////////////////////////////////////////////
// HELPER FUNCTIONS - PRIVATE
////////////////////////////////////////////////////////////////////////////////////////////////////////////
function init() {
triggerCall(o.onOpen);
popups = ($w.data('bPopup') || 0) + 1, id = prefix + popups + '__',fixedVPos = o.position[1] !== 'auto', fixedHPos = o.position[0] !== 'auto', fixedPosStyle = o.positionStyle === 'fixed', height = $popup.outerHeight(true), width = $popup.outerWidth(true);
o.loadUrl ? createContent() : open();
};
function createContent() {
o.contentContainer = $(o.contentContainer || $popup);
switch (o.content) {
case ('iframe'):
var iframe = $('<iframe class="b-iframe" ' + o.iframeAttr +'></iframe>');
iframe.appendTo(o.contentContainer);
height = $popup.outerHeight(true);
width = $popup.outerWidth(true);
open();
iframe.attr('src', o.loadUrl); // setting iframe src after open due IE9 bug
triggerCall(o.loadCallback);
break;
case ('image'):
open();
$('<img />')
.load(function() {
triggerCall(o.loadCallback);
recenter($(this));
}).attr('src', o.loadUrl).hide().appendTo(o.contentContainer);
break;
default:
open();
$('<div class="b-ajax-wrapper"></div>')
.load(o.loadUrl, o.loadData, function(){
triggerCall(o.loadCallback);
recenter($(this));
}).hide().appendTo(o.contentContainer);
break;
}
};
function open(){
// MODAL OVERLAY
if (o.modal) {
$('<div class="b-modal '+id+'"></div>')
.css({backgroundColor: o.modalColor, position: 'fixed', top: 0, right:0, bottom:0, left: 0, opacity: 0, zIndex: o.zIndex + popups})
.appendTo(o.appendTo)
.fadeTo(o.speed, o.opacity);
}
// POPUP
calPosition();
$popup
.data('bPopup', o).data('id',id)
.css({
'left': o.transition == 'slideIn' || o.transition == 'slideBack' ? (o.transition == 'slideBack' ? d.scrollLeft() + wW : (hPos + width) *-1) : getLeftPos(!(!o.follow[0] && fixedHPos || fixedPosStyle))
, 'position': o.positionStyle || 'absolute'
, 'top': o.transition == 'slideDown' || o.transition == 'slideUp' ? (o.transition == 'slideUp' ? d.scrollTop() + wH : vPos + height * -1) : getTopPos(!(!o.follow[1] && fixedVPos || fixedPosStyle))
, 'z-index': o.zIndex + popups + 1
}).each(function() {
if(o.appending) {
$(this).appendTo(o.appendTo);
}
});
doTransition(true);
};
function close() {
if (o.modal) {
$('.b-modal.'+$popup.data('id'))
.fadeTo(o.speed, 0, function() {
$(this).remove();
});
}
// Clean up
unbindEvents();
// Close trasition
doTransition();
return false; // Prevent default
};
//Eksperimental
function recenter(content){
var _width = content.width(), _height = content.height(), css = {};
o.contentContainer.css({height:_height,width:_width});
if (_height >= $popup.height()){
css.height = $popup.height();
}
if(_width >= $popup.width()){
css.width = $popup.width();
}
height = $popup.outerHeight(true)
, width = $popup.outerWidth(true);
calPosition();
o.contentContainer.css({height:'auto',width:'auto'});
css.left = getLeftPos(!(!o.follow[0] && fixedHPos || fixedPosStyle)),
css.top = getTopPos(!(!o.follow[1] && fixedVPos || fixedPosStyle));
$popup
.animate(
css
, 250
, function() {
content.show();
inside = insideWindow();
}
);
};
function bindEvents() {
$w.data('bPopup', popups);
$popup.delegate('.bClose, .' + o.closeClass, 'click.'+id, close); // legacy, still supporting the close class bClose
if (o.modalClose) {
$('.b-modal.'+id).css('cursor', 'pointer').bind('click', close);
}
// Temporary disabling scroll/resize events on devices with IOS6+
// due to a bug where events are dropped after pinch to zoom
if (!isIOS6X && (o.follow[0] || o.follow[1])) {
$w.bind('scroll.'+id, function() {
if(inside){
$popup
.dequeue()
.animate({ 'left': o.follow[0] ? getLeftPos(!fixedPosStyle) : 'auto', 'top': o.follow[1] ? getTopPos(!fixedPosStyle) : 'auto' }, o.followSpeed, o.followEasing);
}
}).bind('resize.'+id, function() {
wH = windowHeight();
wW = windowWidth();
inside = insideWindow();
if(inside){
clearTimeout(debounce);
debounce = setTimeout(function(){
calPosition();
$popup
.dequeue()
.each(function() {
if(fixedPosStyle) {
$(this).css({ 'left': hPos, 'top': vPos });
}
else {
$(this).animate({ 'left': o.follow[0] ? getLeftPos(true) : 'auto', 'top': o.follow[1] ? getTopPos(true) : 'auto' }, o.followSpeed, o.followEasing);
}
});
}, 50);
}
});
}
if (o.escClose) {
d.bind('keydown.'+id, function(e) {
if (e.which == 27) { //escape
close();
}
});
}
};
function unbindEvents() {
if (!o.scrollBar) {
$('html').css('overflow', 'auto');
}
$('.b-modal.'+id).unbind('click');
d.unbind('keydown.'+id);
$w.unbind('.'+id).data('bPopup', ($w.data('bPopup')-1 > 0) ? $w.data('bPopup')-1 : null);
$popup.undelegate('.bClose, .' + o.closeClass, 'click.'+id, close).data('bPopup', null);
};
function doTransition(open) {
switch (open ? o.transition : o.transitionClose || o.transition) {
case "slideIn":
animate({
left: open ? getLeftPos(!(!o.follow[0] && fixedHPos || fixedPosStyle)) : d.scrollLeft() - (width || $popup.outerWidth(true)) - buffer
});
break;
case "slideBack":
animate({
left: open ? getLeftPos(!(!o.follow[0] && fixedHPos || fixedPosStyle)) : d.scrollLeft() + wW + buffer
});
break;
case "slideDown":
animate({
top: open ? getTopPos(!(!o.follow[1] && fixedVPos || fixedPosStyle)) : d.scrollTop() - (height || $popup.outerHeight(true)) - buffer
});
break;
case "slideUp":
animate({
top: open ? getTopPos(!(!o.follow[1] && fixedVPos || fixedPosStyle)) : d.scrollTop() + wH + buffer
});
break;
default:
//Hardtyping 1 and 0 to ensure opacity 1 and not 0.9999998
$popup.stop().fadeTo(o.speed, open ? 1 : 0, function(){onCompleteCallback(open);});
}
function animate(css){
$popup
.css({display: 'block',opacity: 1})
.animate(css, o.speed, o.easing, function(){ onCompleteCallback(open); });
};
};
function onCompleteCallback(open){
if(open){
bindEvents();
triggerCall(callback);
if(o.autoClose){
setTimeout(close, o.autoClose);
}
} else {
$popup.hide();
triggerCall(o.onClose);
if (o.loadUrl) {
o.contentContainer.empty();
$popup.css({height: 'auto', width: 'auto'});
}
}
};
function getLeftPos(includeScroll){
return includeScroll ? hPos + d.scrollLeft() : hPos;
};
function getTopPos(includeScroll){
return includeScroll ? vPos + d.scrollTop() : vPos;
};
function triggerCall(func) {
$.isFunction(func) && func.call($popup);
};
function calPosition(){
vPos = fixedVPos ? o.position[1] : Math.max(0, ((wH- $popup.outerHeight(true)) / 2) - o.amsl)
, hPos = fixedHPos ? o.position[0] : (wW - $popup.outerWidth(true)) / 2
, inside = insideWindow();
};
function insideWindow(){
return wH > $popup.outerHeight(true) && wW > $popup.outerWidth(true);
};
function windowHeight(){
return w.innerHeight || $w.height();
};
function windowWidth(){
return w.innerWidth || $w.width();
};
};
////////////////////////////////////////////////////////////////////////////////////////////////////////////
// DEFAULT VALUES
////////////////////////////////////////////////////////////////////////////////////////////////////////////
$.fn.bPopup.defaults = {
amsl: 50
, appending: true
, appendTo: 'body'
, autoClose: false
, closeClass: 'b-close'
, content: 'ajax' // ajax, iframe or image
, contentContainer: false
, easing: 'swing'
, escClose: true
, follow: [true, true] // x, y
, followEasing: 'swing'
, followSpeed: 500
, iframeAttr: 'scrolling="no" frameborder="0"'
, loadCallback: false
, loadData: false
, loadUrl: false
, modal: true
, modalClose: true
, modalColor: '#000'
, onClose: false
, onOpen: false
, opacity: 0.7
, position: ['auto', 'auto'] // x, y,
, positionStyle: 'absolute'// absolute or fixed
, scrollBar: true
, speed: 250 // open & close speed
, transition: 'fadeIn' //transitions: fadeIn, slideDown, slideIn
, transitionClose: false
, zIndex: 9997 // popup gets z-index 9999, modal overlay 9998
};
})(jQuery);