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/*
* jQuery elevateZoom 3.0.8
* Demo's and documentation:
* www.elevateweb.co.uk/image-zoom
*
* Copyright (c) 2012 Andrew Eades
* www.elevateweb.co.uk
*
* Dual licensed under the GPL and MIT licenses.
* http://en.wikipedia.org/wiki/MIT_License
* http://en.wikipedia.org/wiki/GNU_General_Public_License
*
/*
* jQuery elevateZoom 3.0.3
* Demo's and documentation:
* www.elevateweb.co.uk/image-zoom
*
* Copyright (c) 2012 Andrew Eades
* www.elevateweb.co.uk
*
* Dual licensed under the GPL and MIT licenses.
* http://en.wikipedia.org/wiki/MIT_License
* http://en.wikipedia.org/wiki/GNU_General_Public_License
*/
if (typeof Object.create !== 'function') {
Object.create = function (obj) {
function F() {}
;
F.prototype = obj;
return new F();
};
}
(function ($, window, document, undefined) {
var ElevateZoom = {
init: function (options, elem) {
var self = this;
self.elem = elem;
self.$elem = $(elem);
self.imageSrc = self.$elem.data("zoom-image") ? self.$elem.data("zoom-image") : self.$elem.attr("src");
self.options = $.extend({}, $.fn.elevateZoom.options, options);
//TINT OVERRIDE SETTINGS
if (self.options.tint) {
self.options.lensColour = "none", //colour of the lens background
self.options.lensOpacity = "1" //opacity of the lens
}
//INNER OVERRIDE SETTINGS
if (self.options.zoomType == "inner") {
self.options.showLens = false;
}
//Remove alt on hover
self.$elem.parent().removeAttr('title').removeAttr('alt');
self.zoomImage = self.imageSrc;
self.refresh(1);
//Create the image swap from the gallery
$('#' + self.options.gallery + ' a').click(function (e) {
//Set a class on the currently active gallery image
if (self.options.galleryActiveClass) {
$('#' + self.options.gallery + ' a').removeClass(self.options.galleryActiveClass);
$(this).addClass(self.options.galleryActiveClass);
}
//stop any link on the a tag from working
e.preventDefault();
//call the swap image function
if ($(this).data("zoom-image")) {
self.zoomImagePre = $(this).data("zoom-image")
} else {
self.zoomImagePre = $(this).data("image");
}
self.swaptheimage($(this).data("image"), self.zoomImagePre);
return false;
});
},
refresh: function (length) {
var self = this;
setTimeout(function () {
self.fetch(self.imageSrc);
}, length || self.options.refresh);
},
fetch: function (imgsrc) {
//get the image
var self = this;
var newImg = new Image();
newImg.onload = function () {
//set the large image dimensions - used to calculte ratio's
self.largeWidth = newImg.width;
self.largeHeight = newImg.height;
//once image is loaded start the calls
self.startZoom();
self.currentImage = self.imageSrc;
//let caller know image has been loaded
self.options.onZoomedImageLoaded(self.$elem);
}
newImg.src = imgsrc; // this must be done AFTER setting onload
return;
},
startZoom: function ( ) {
var self = this;
//get dimensions of the non zoomed image
self.nzWidth = self.$elem.width();
self.nzHeight = self.$elem.height();
//activated elements
self.isWindowActive = false;
self.isLensActive = false;
self.isTintActive = false;
self.overWindow = false;
//CrossFade Wrappe
if (self.options.imageCrossfade) {
self.zoomWrap = self.$elem.wrap('<div style="height:' + self.nzHeight + 'px;width:' + self.nzWidth + 'px;" class="zoomWrapper" />');
self.$elem.css('position', 'absolute');
}
self.zoomLock = 1;
self.scrollingLock = false;
self.changeBgSize = false;
self.currentZoomLevel = self.options.zoomLevel;
//get offset of the non zoomed image
self.nzOffset = self.$elem.offset();
//calculate the width ratio of the large/small image
self.widthRatio = (self.largeWidth / self.currentZoomLevel) / self.nzWidth;
self.heightRatio = (self.largeHeight / self.currentZoomLevel) / self.nzHeight;
//if window zoom
if (self.options.zoomType == "window") {
self.zoomWindowStyle = "overflow: hidden;"
+ "background-position: 0px 0px;text-align:center;"
+ "background-color: " + String(self.options.zoomWindowBgColour)
+ ";width: " + String(self.options.zoomWindowWidth) + "px;"
+ "height: " + String(self.options.zoomWindowHeight)
+ "px;float: left;"
+ "background-size: " + self.largeWidth / self.currentZoomLevel + "px " + self.largeHeight / self.currentZoomLevel + "px;"
+ "display: none;z-index:100;"
+ "border: " + String(self.options.borderSize)
+ "px solid " + self.options.borderColour
+ ";background-repeat: no-repeat;"
+ "position: absolute;";
}
//if inner zoom
if (self.options.zoomType == "inner") {
//has a border been put on the image? Lets cater for this
var borderWidth = self.$elem.css("border-left-width");
self.zoomWindowStyle = "overflow: hidden;"
+ "margin-left: " + String(borderWidth) + ";"
+ "margin-top: " + String(borderWidth) + ";"
+ "background-position: 0px 0px;"
+ "width: " + String(self.nzWidth) + "px;"
+ "height: " + String(self.nzHeight) + "px;"
+ "px;float: left;"
+ "display: none;"
+ "cursor:" + (self.options.cursor) + ";"
+ "px solid " + self.options.borderColour
+ ";background-repeat: no-repeat;"
+ "position: absolute;";
}
//lens style for window zoom
if (self.options.zoomType == "window") {
// adjust images less than the window height
if (self.nzHeight < self.options.zoomWindowWidth / self.widthRatio) {
lensHeight = self.nzHeight;
} else {
lensHeight = String((self.options.zoomWindowHeight / self.heightRatio))
}
if (self.largeWidth < self.options.zoomWindowWidth) {
lensWidth = self.nzWidth;
} else {
lensWidth = (self.options.zoomWindowWidth / self.widthRatio);
}
self.lensStyle = "background-position: 0px 0px;width: " + String((self.options.zoomWindowWidth) / self.widthRatio) + "px;height: " + String((self.options.zoomWindowHeight) / self.heightRatio)
+ "px;float: right;display: none;"
+ "overflow: hidden;"
+ "z-index: 999;"
+ "-webkit-transform: translateZ(0);"
+ "opacity:" + (self.options.lensOpacity) + ";filter: alpha(opacity = " + (self.options.lensOpacity * 100) + "); zoom:1;"
+ "width:" + lensWidth + "px;"
+ "height:" + lensHeight + "px;"
+ "background-color:" + (self.options.lensColour) + ";"
+ "cursor:" + (self.options.cursor) + ";"
+ "border: " + (self.options.lensBorderSize) + "px" +
" solid " + (self.options.lensBorderColour) + ";background-repeat: no-repeat;position: absolute;";
}
//tint style
self.tintStyle = "display: block;"
+ "position: absolute;"
+ "background-color: " + self.options.tintColour + ";"
+ "filter:alpha(opacity=0);"
+ "opacity: 0;"
+ "width: " + self.nzWidth + "px;"
+ "height: " + self.nzHeight + "px;"
;
//lens style for lens zoom with optional round for modern browsers
self.lensRound = '';
if (self.options.zoomType == "lens") {
self.lensStyle = "background-position: 0px 0px;"
+ "float: left;display: none;"
+ "border: " + String(self.options.borderSize) + "px solid " + self.options.borderColour + ";"
+ "width:" + String(self.options.lensSize) + "px;"
+ "height:" + String(self.options.lensSize) + "px;"
+ "background-repeat: no-repeat;position: absolute;";
}
//does not round in all browsers
if (self.options.lensShape == "round") {
self.lensRound = "border-top-left-radius: " + String(self.options.lensSize / 2 + self.options.borderSize) + "px;"
+ "border-top-right-radius: " + String(self.options.lensSize / 2 + self.options.borderSize) + "px;"
+ "border-bottom-left-radius: " + String(self.options.lensSize / 2 + self.options.borderSize) + "px;"
+ "border-bottom-right-radius: " + String(self.options.lensSize / 2 + self.options.borderSize) + "px;";
}
//create the div's + ""
//self.zoomContainer = $('<div/>').addClass('zoomContainer').css({"position":"relative", "height":self.nzHeight, "width":self.nzWidth});
self.zoomContainer = $('<div class="zoomContainer" style="-webkit-transform: translateZ(0);position:absolute;left:' + self.nzOffset.left + 'px;top:' + self.nzOffset.top + 'px;height:' + self.nzHeight + 'px;width:' + self.nzWidth + 'px;"></div>');
$('body').append(self.zoomContainer);
//this will add overflow hidden and contrain the lens on lens mode
if (self.options.containLensZoom && self.options.zoomType == "lens") {
self.zoomContainer.css("overflow", "hidden");
}
if (self.options.zoomType != "inner") {
self.zoomLens = $("<div class='zoomLens' style='" + self.lensStyle + self.lensRound + "'> </div>")
.appendTo(self.zoomContainer)
.click(function () {
self.$elem.trigger('click');
});
if (self.options.tint) {
self.tintContainer = $('<div/>').addClass('tintContainer');
self.zoomTint = $("<div class='zoomTint' style='" + self.tintStyle + "'></div>");
self.zoomLens.wrap(self.tintContainer);
self.zoomTintcss = self.zoomLens.after(self.zoomTint);
//if tint enabled - set an image to show over the tint
self.zoomTintImage = $('<img style="position: absolute; left: 0px; top: 0px; max-width: none; width: ' + self.nzWidth + 'px; height: ' + self.nzHeight + 'px;" src="' + self.imageSrc + '">')
.appendTo(self.zoomLens)
.click(function () {
self.$elem.trigger('click');
});
}
}
//create zoom window
if (isNaN(self.options.zoomWindowPosition)) {
self.zoomWindow = $("<div style='z-index:999;left:" + (self.windowOffsetLeft) + "px;top:" + (self.windowOffsetTop) + "px;" + self.zoomWindowStyle + "' class='zoomWindow'> </div>")
.appendTo('body')
.click(function () {
self.$elem.trigger('click');
});
} else {
self.zoomWindow = $("<div style='z-index:999;left:" + (self.windowOffsetLeft) + "px;top:" + (self.windowOffsetTop) + "px;" + self.zoomWindowStyle + "' class='zoomWindow'> </div>")
.appendTo(self.zoomContainer)
.click(function () {
self.$elem.trigger('click');
});
}
self.zoomWindowContainer = $('<div/>').addClass('zoomWindowContainer').css("width", self.options.zoomWindowWidth);
self.zoomWindow.wrap(self.zoomWindowContainer);
// self.captionStyle = "text-align: left;background-color: black;color: white;font-weight: bold;padding: 10px;font-family: sans-serif;font-size: 11px";
// self.zoomCaption = $('<div class="elevatezoom-caption" style="'+self.captionStyle+'display: block; width: 280px;">INSERT ALT TAG</div>').appendTo(self.zoomWindow.parent());
if (self.options.zoomType == "lens") {
self.zoomLens.css({backgroundImage: "url('" + self.imageSrc + "')"});
}
if (self.options.zoomType == "window") {
self.zoomWindow.css({backgroundImage: "url('" + self.imageSrc + "')"});
}
if (self.options.zoomType == "inner") {
self.zoomWindow.css({backgroundImage: "url('" + self.imageSrc + "')"});
}
/*-------------------END THE ZOOM WINDOW AND LENS----------------------------------*/
//touch events
self.$elem.bind('touchmove', function (e) {
e.preventDefault();
var touch = e.originalEvent.touches[0] || e.originalEvent.changedTouches[0];
self.setPosition(touch);
});
self.zoomContainer.bind('touchmove', function (e) {
if (self.options.zoomType == "inner") {
self.showHideWindow("show");
}
e.preventDefault();
var touch = e.originalEvent.touches[0] || e.originalEvent.changedTouches[0];
self.setPosition(touch);
});
self.zoomContainer.bind('touchend', function (e) {
self.showHideWindow("hide");
if (self.options.showLens) {
self.showHideLens("hide");
}
if (self.options.tint && self.options.zoomType != "inner") {
self.showHideTint("hide");
}
});
self.$elem.bind('touchend', function (e) {
self.showHideWindow("hide");
if (self.options.showLens) {
self.showHideLens("hide");
}
if (self.options.tint && self.options.zoomType != "inner") {
self.showHideTint("hide");
}
});
if (self.options.showLens) {
self.zoomLens.bind('touchmove', function (e) {
e.preventDefault();
var touch = e.originalEvent.touches[0] || e.originalEvent.changedTouches[0];
self.setPosition(touch);
});
self.zoomLens.bind('touchend', function (e) {
self.showHideWindow("hide");
if (self.options.showLens) {
self.showHideLens("hide");
}
if (self.options.tint && self.options.zoomType != "inner") {
self.showHideTint("hide");
}
});
}
//Needed to work in IE
self.$elem.bind('mousemove', function (e) {
if (self.overWindow == false) {
self.setElements("show");
}
//make sure on orientation change the setposition is not fired
if (self.lastX !== e.clientX || self.lastY !== e.clientY) {
self.setPosition(e);
self.currentLoc = e;
}
self.lastX = e.clientX;
self.lastY = e.clientY;
});
self.zoomContainer.bind('mousemove', function (e) {
if (self.overWindow == false) {
self.setElements("show");
}
//make sure on orientation change the setposition is not fired
if (self.lastX !== e.clientX || self.lastY !== e.clientY) {
self.setPosition(e);
self.currentLoc = e;
}
self.lastX = e.clientX;
self.lastY = e.clientY;
});
if (self.options.zoomType != "inner") {
self.zoomLens.bind('mousemove', function (e) {
//make sure on orientation change the setposition is not fired
if (self.lastX !== e.clientX || self.lastY !== e.clientY) {
self.setPosition(e);
self.currentLoc = e;
}
self.lastX = e.clientX;
self.lastY = e.clientY;
});
}
if (self.options.tint && self.options.zoomType != "inner") {
self.zoomTint.bind('mousemove', function (e) {
//make sure on orientation change the setposition is not fired
if (self.lastX !== e.clientX || self.lastY !== e.clientY) {
self.setPosition(e);
self.currentLoc = e;
}
self.lastX = e.clientX;
self.lastY = e.clientY;
});
}
if (self.options.zoomType == "inner") {
self.zoomWindow.bind('mousemove', function (e) {
//self.overWindow = true;
//make sure on orientation change the setposition is not fired
if (self.lastX !== e.clientX || self.lastY !== e.clientY) {
self.setPosition(e);
self.currentLoc = e;
}
self.lastX = e.clientX;
self.lastY = e.clientY;
});
}
// lensFadeOut: 500, zoomTintFadeIn
self.zoomContainer.add(self.$elem).mouseenter(function () {
if (self.overWindow == false) {
self.setElements("show");
}
}).mouseleave(function () {
if (!self.scrollLock) {
self.setElements("hide");
self.options.onDestroy(self.$elem);
}
});
//end ove image
if (self.options.zoomType != "inner") {
self.zoomWindow.mouseenter(function () {
self.overWindow = true;
self.setElements("hide");
}).mouseleave(function () {
self.overWindow = false;
});
}
//end ove image
// var delta = parseInt(e.originalEvent.wheelDelta || -e.originalEvent.detail);
// $(this).empty();
// return false;
//fix for initial zoom setting
if (self.options.zoomLevel != 1) {
// self.changeZoomLevel(self.currentZoomLevel);
}
//set the min zoomlevel
if (self.options.minZoomLevel) {
self.minZoomLevel = self.options.minZoomLevel;
} else {
self.minZoomLevel = self.options.scrollZoomIncrement * 2;
}
if (self.options.scrollZoom) {
self.zoomContainer.add(self.$elem).bind('mousewheel DOMMouseScroll MozMousePixelScroll', function (e) {
// in IE there is issue with firing of mouseleave - So check whether still scrolling
// and on mouseleave check if scrolllock
self.scrollLock = true;
clearTimeout($.data(this, 'timer'));
$.data(this, 'timer', setTimeout(function () {
self.scrollLock = false;
//do something
}, 250));
var theEvent = e.originalEvent.wheelDelta || e.originalEvent.detail * -1
//this.scrollTop += ( delta < 0 ? 1 : -1 ) * 30;
// e.preventDefault();
e.stopImmediatePropagation();
e.stopPropagation();
e.preventDefault();
if (theEvent / 120 > 0) {
//scrolling up
if (self.currentZoomLevel >= self.minZoomLevel) {
self.changeZoomLevel(self.currentZoomLevel - self.options.scrollZoomIncrement);
}
} else {
//scrolling down
if (self.options.maxZoomLevel) {
if (self.currentZoomLevel <= self.options.maxZoomLevel) {
self.changeZoomLevel(parseFloat(self.currentZoomLevel) + self.options.scrollZoomIncrement);
}
} else {
//andy
self.changeZoomLevel(parseFloat(self.currentZoomLevel) + self.options.scrollZoomIncrement);
}
}
return false;
});
}
},
setElements: function (type) {
var self = this;
if (!self.options.zoomEnabled) {
return false;
}
if (type == "show") {
if (self.isWindowSet) {
if (self.options.zoomType == "inner") {
self.showHideWindow("show");
}
if (self.options.zoomType == "window") {
self.showHideWindow("show");
}
if (self.options.showLens) {
self.showHideLens("show");
}
if (self.options.tint && self.options.zoomType != "inner") {
self.showHideTint("show");
}
}
}
if (type == "hide") {
if (self.options.zoomType == "window") {
self.showHideWindow("hide");
}
if (!self.options.tint) {
self.showHideWindow("hide");
}
if (self.options.showLens) {
self.showHideLens("hide");
}
if (self.options.tint) {
self.showHideTint("hide");
}
}
},
setPosition: function (e) {
var self = this;
if (!self.options.zoomEnabled) {
return false;
}
//recaclc offset each time in case the image moves
//this can be caused by other on page elements
self.nzHeight = self.$elem.height();
self.nzWidth = self.$elem.width();
self.nzOffset = self.$elem.offset();
if (self.options.tint && self.options.zoomType != "inner") {
self.zoomTint.css({top: 0});
self.zoomTint.css({left: 0});
}
//set responsive
//will checking if the image needs changing before running this code work faster?
if (self.options.responsive && !self.options.scrollZoom) {
if (self.options.showLens) {
if (self.nzHeight < self.options.zoomWindowWidth / self.widthRatio) {
lensHeight = self.nzHeight;
} else {
lensHeight = String((self.options.zoomWindowHeight / self.heightRatio))
}
if (self.largeWidth < self.options.zoomWindowWidth) {
lensWidth = self.nzWidth;
} else {
lensWidth = (self.options.zoomWindowWidth / self.widthRatio);
}
self.widthRatio = self.largeWidth / self.nzWidth;
self.heightRatio = self.largeHeight / self.nzHeight;
if (self.options.zoomType != "lens") {
//possibly dont need to keep recalcalculating
//if the lens is heigher than the image, then set lens size to image size
if (self.nzHeight < self.options.zoomWindowWidth / self.widthRatio) {
lensHeight = self.nzHeight;
} else {
lensHeight = String((self.options.zoomWindowHeight / self.heightRatio))
}
if (self.nzWidth < self.options.zoomWindowHeight / self.heightRatio) {
lensWidth = self.nzWidth;
} else {
lensWidth = String((self.options.zoomWindowWidth / self.widthRatio));
}
self.zoomLens.css('width', lensWidth);
self.zoomLens.css('height', lensHeight);
if (self.options.tint) {
self.zoomTintImage.css('width', self.nzWidth);
self.zoomTintImage.css('height', self.nzHeight);
}
}
if (self.options.zoomType == "lens") {
self.zoomLens.css({width: String(self.options.lensSize) + 'px', height: String(self.options.lensSize) + 'px'})
}
//end responsive image change
}
}
//container fix
self.zoomContainer.css({top: self.nzOffset.top});
self.zoomContainer.css({left: self.nzOffset.left});
self.mouseLeft = parseInt(e.pageX - self.nzOffset.left);
self.mouseTop = parseInt(e.pageY - self.nzOffset.top);
//calculate the Location of the Lens
//calculate the bound regions - but only if zoom window
if (self.options.zoomType == "window") {
self.Etoppos = (self.mouseTop < (self.zoomLens.height() / 2));
self.Eboppos = (self.mouseTop > self.nzHeight - (self.zoomLens.height() / 2) - (self.options.lensBorderSize * 2));
self.Eloppos = (self.mouseLeft < 0 + ((self.zoomLens.width() / 2)));
self.Eroppos = (self.mouseLeft > (self.nzWidth - (self.zoomLens.width() / 2) - (self.options.lensBorderSize * 2)));
}
//calculate the bound regions - but only for inner zoom
if (self.options.zoomType == "inner") {
self.Etoppos = (self.mouseTop < ((self.nzHeight / 2) / self.heightRatio));
self.Eboppos = (self.mouseTop > (self.nzHeight - ((self.nzHeight / 2) / self.heightRatio)));
self.Eloppos = (self.mouseLeft < 0 + (((self.nzWidth / 2) / self.widthRatio)));
self.Eroppos = (self.mouseLeft > (self.nzWidth - (self.nzWidth / 2) / self.widthRatio - (self.options.lensBorderSize * 2)));
}
// if the mouse position of the slider is one of the outerbounds, then hide window and lens
if (self.mouseLeft < 0 || self.mouseTop < 0 || self.mouseLeft > self.nzWidth || self.mouseTop > self.nzHeight) {
self.setElements("hide");
return;
}
//else continue with operations
else {
//lens options
if (self.options.showLens) {
// self.showHideLens("show");
//set background position of lens
self.lensLeftPos = String(Math.floor(self.mouseLeft - self.zoomLens.width() / 2));
self.lensTopPos = String(Math.floor(self.mouseTop - self.zoomLens.height() / 2));
}
//adjust the background position if the mouse is in one of the outer regions
//Top region
if (self.Etoppos) {
self.lensTopPos = 0;
}
//Left Region
if (self.Eloppos) {
self.windowLeftPos = 0;
self.lensLeftPos = 0;
self.tintpos = 0;
}
//Set bottom and right region for window mode
if (self.options.zoomType == "window") {
if (self.Eboppos) {
self.lensTopPos = Math.max((self.nzHeight) - self.zoomLens.height() - (self.options.lensBorderSize * 2), 0);
}
if (self.Eroppos) {
self.lensLeftPos = (self.nzWidth - (self.zoomLens.width()) - (self.options.lensBorderSize * 2));
}
}
//Set bottom and right region for inner mode
if (self.options.zoomType == "inner") {
if (self.Eboppos) {
self.lensTopPos = Math.max(((self.nzHeight) - (self.options.lensBorderSize * 2)), 0);
}
if (self.Eroppos) {
self.lensLeftPos = (self.nzWidth - (self.nzWidth) - (self.options.lensBorderSize * 2));
}
}
//if lens zoom
if (self.options.zoomType == "lens") {
self.windowLeftPos = String(((e.pageX - self.nzOffset.left) * self.widthRatio - self.zoomLens.width() / 2) * (-1));
self.windowTopPos = String(((e.pageY - self.nzOffset.top) * self.heightRatio - self.zoomLens.height() / 2) * (-1));
self.zoomLens.css({backgroundPosition: self.windowLeftPos + 'px ' + self.windowTopPos + 'px'});
if (self.changeBgSize) {
if (self.nzHeight > self.nzWidth) {
if (self.options.zoomType == "lens") {
self.zoomLens.css({"background-size": self.largeWidth / self.newvalueheight + 'px ' + self.largeHeight / self.newvalueheight + 'px'});
}
self.zoomWindow.css({"background-size": self.largeWidth / self.newvalueheight + 'px ' + self.largeHeight / self.newvalueheight + 'px'});
} else {
if (self.options.zoomType == "lens") {
self.zoomLens.css({"background-size": self.largeWidth / self.newvaluewidth + 'px ' + self.largeHeight / self.newvaluewidth + 'px'});
}
self.zoomWindow.css({"background-size": self.largeWidth / self.newvaluewidth + 'px ' + self.largeHeight / self.newvaluewidth + 'px'});
}
self.changeBgSize = false;
}
self.setWindowPostition(e);
}
//if tint zoom
if (self.options.tint && self.options.zoomType != "inner") {
self.setTintPosition(e);
}
//set the css background position
if (self.options.zoomType == "window") {
self.setWindowPostition(e);
}
if (self.options.zoomType == "inner") {
self.setWindowPostition(e);
}
if (self.options.showLens) {
if (self.fullwidth && self.options.zoomType != "lens") {
self.lensLeftPos = 0;
}
self.zoomLens.css({left: self.lensLeftPos + 'px', top: self.lensTopPos + 'px'})
}
} //end else
},
showHideWindow: function (change) {
var self = this;
if (change == "show") {
if (!self.isWindowActive) {
if (self.options.zoomWindowFadeIn) {
self.zoomWindow.stop(true, true, false).fadeIn(self.options.zoomWindowFadeIn);
} else {
self.zoomWindow.show();
}
self.isWindowActive = true;
}
}
if (change == "hide") {
if (self.isWindowActive) {
if (self.options.zoomWindowFadeOut) {
self.zoomWindow.stop(true, true).fadeOut(self.options.zoomWindowFadeOut, function () {
if (self.loop) {
//stop moving the zoom window when zoom window is faded out
clearInterval(self.loop);
self.loop = false;
}
});
} else {
self.zoomWindow.hide();
}
self.isWindowActive = false;
}
}
},
showHideLens: function (change) {
var self = this;
if (change == "show") {
if (!self.isLensActive) {
if (self.options.lensFadeIn) {
self.zoomLens.stop(true, true, false).fadeIn(self.options.lensFadeIn);
} else {
self.zoomLens.show();
}
self.isLensActive = true;
}
}
if (change == "hide") {
if (self.isLensActive) {
if (self.options.lensFadeOut) {
self.zoomLens.stop(true, true).fadeOut(self.options.lensFadeOut);
} else {
self.zoomLens.hide();
}
self.isLensActive = false;
}
}
},
showHideTint: function (change) {
var self = this;
if (change == "show") {
if (!self.isTintActive) {
if (self.options.zoomTintFadeIn) {
self.zoomTint.css({opacity: self.options.tintOpacity}).animate().stop(true, true).fadeIn("slow");
} else {
self.zoomTint.css({opacity: self.options.tintOpacity}).animate();
self.zoomTint.show();
}
self.isTintActive = true;
}
}
if (change == "hide") {
if (self.isTintActive) {
if (self.options.zoomTintFadeOut) {
self.zoomTint.stop(true, true).fadeOut(self.options.zoomTintFadeOut);
} else {
self.zoomTint.hide();
}
self.isTintActive = false;
}
}
},
setLensPostition: function (e) {
},
setWindowPostition: function (e) {
//return obj.slice( 0, count );
var self = this;
if (!isNaN(self.options.zoomWindowPosition)) {
switch (self.options.zoomWindowPosition) {
case 1: //done
self.windowOffsetTop = (self.options.zoomWindowOffety);//DONE - 1
self.windowOffsetLeft = (+self.nzWidth); //DONE 1, 2, 3, 4, 16
break;
case 2:
if (self.options.zoomWindowHeight > self.nzHeight) { //positive margin
self.windowOffsetTop = ((self.options.zoomWindowHeight / 2) - (self.nzHeight / 2)) * (-1);
self.windowOffsetLeft = (self.nzWidth); //DONE 1, 2, 3, 4, 16
} else { //negative margin
}
break;
case 3: //done
self.windowOffsetTop = (self.nzHeight - self.zoomWindow.height() - (self.options.borderSize * 2)); //DONE 3,9
self.windowOffsetLeft = (self.nzWidth); //DONE 1, 2, 3, 4, 16
break;
case 4: //done
self.windowOffsetTop = (self.nzHeight); //DONE - 4,5,6,7,8
self.windowOffsetLeft = (self.nzWidth); //DONE 1, 2, 3, 4, 16
break;
case 5: //done
self.windowOffsetTop = (self.nzHeight); //DONE - 4,5,6,7,8
self.windowOffsetLeft = (self.nzWidth - self.zoomWindow.width() - (self.options.borderSize * 2)); //DONE - 5,15
break;
case 6:
if (self.options.zoomWindowHeight > self.nzHeight) { //positive margin
self.windowOffsetTop = (self.nzHeight); //DONE - 4,5,6,7,8
self.windowOffsetLeft = ((self.options.zoomWindowWidth / 2) - (self.nzWidth / 2) + (self.options.borderSize * 2)) * (-1);
} else { //negative margin
}
break;
case 7: //done
self.windowOffsetTop = (self.nzHeight); //DONE - 4,5,6,7,8
self.windowOffsetLeft = 0; //DONE 7, 13
break;
case 8: //done
self.windowOffsetTop = (self.nzHeight); //DONE - 4,5,6,7,8
self.windowOffsetLeft = (self.zoomWindow.width() + (self.options.borderSize * 2)) * (-1); //DONE 8,9,10,11,12
break;
case 9: //done
self.windowOffsetTop = (self.nzHeight - self.zoomWindow.height() - (self.options.borderSize * 2)); //DONE 3,9
self.windowOffsetLeft = (self.zoomWindow.width() + (self.options.borderSize * 2)) * (-1); //DONE 8,9,10,11,12
break;
case 10:
if (self.options.zoomWindowHeight > self.nzHeight) { //positive margin
self.windowOffsetTop = ((self.options.zoomWindowHeight / 2) - (self.nzHeight / 2)) * (-1);
self.windowOffsetLeft = (self.zoomWindow.width() + (self.options.borderSize * 2)) * (-1); //DONE 8,9,10,11,12
} else { //negative margin
}
break;
case 11:
self.windowOffsetTop = (self.options.zoomWindowOffety);
self.windowOffsetLeft = (self.zoomWindow.width() + (self.options.borderSize * 2)) * (-1); //DONE 8,9,10,11,12
break;
case 12: //done
self.windowOffsetTop = (self.zoomWindow.height() + (self.options.borderSize * 2)) * (-1); //DONE 12,13,14,15,16
self.windowOffsetLeft = (self.zoomWindow.width() + (self.options.borderSize * 2)) * (-1); //DONE 8,9,10,11,12
break;
case 13: //done
self.windowOffsetTop = (self.zoomWindow.height() + (self.options.borderSize * 2)) * (-1); //DONE 12,13,14,15,16
self.windowOffsetLeft = (0); //DONE 7, 13
break;
case 14:
if (self.options.zoomWindowHeight > self.nzHeight) { //positive margin
self.windowOffsetTop = (self.zoomWindow.height() + (self.options.borderSize * 2)) * (-1); //DONE 12,13,14,15,16
self.windowOffsetLeft = ((self.options.zoomWindowWidth / 2) - (self.nzWidth / 2) + (self.options.borderSize * 2)) * (-1);
} else { //negative margin
}
break;
case 15://done
self.windowOffsetTop = (self.zoomWindow.height() + (self.options.borderSize * 2)) * (-1); //DONE 12,13,14,15,16
self.windowOffsetLeft = (self.nzWidth - self.zoomWindow.width() - (self.options.borderSize * 2)); //DONE - 5,15
break;
case 16: //done
self.windowOffsetTop = (self.zoomWindow.height() + (self.options.borderSize * 2)) * (-1); //DONE 12,13,14,15,16
self.windowOffsetLeft = (self.nzWidth); //DONE 1, 2, 3, 4, 16
break;
default: //done
self.windowOffsetTop = (self.options.zoomWindowOffety);//DONE - 1
self.windowOffsetLeft = (self.nzWidth); //DONE 1, 2, 3, 4, 16
}
} //end isNAN
else {
//WE CAN POSITION IN A CLASS - ASSUME THAT ANY STRING PASSED IS
self.externalContainer = $('#' + self.options.zoomWindowPosition);
self.externalContainerWidth = self.externalContainer.width();
self.externalContainerHeight = self.externalContainer.height();
self.externalContainerOffset = self.externalContainer.offset();
self.windowOffsetTop = self.externalContainerOffset.top;//DONE - 1
self.windowOffsetLeft = self.externalContainerOffset.left; //DONE 1, 2, 3, 4, 16
}
self.isWindowSet = true;
self.windowOffsetTop = self.windowOffsetTop + self.options.zoomWindowOffety;
self.windowOffsetLeft = self.windowOffsetLeft + self.options.zoomWindowOffetx;
self.zoomWindow.css({top: self.windowOffsetTop});
self.zoomWindow.css({left: self.windowOffsetLeft});
if (self.options.zoomType == "inner") {
self.zoomWindow.css({top: 0});
self.zoomWindow.css({left: 0});
}
self.windowLeftPos = String(((e.pageX - self.nzOffset.left) * self.widthRatio - self.zoomWindow.width() / 2) * (-1));
self.windowTopPos = String(((e.pageY - self.nzOffset.top) * self.heightRatio - self.zoomWindow.height() / 2) * (-1));
if (self.Etoppos) {
self.windowTopPos = 0;
}
if (self.Eloppos) {
self.windowLeftPos = 0;
}
if (self.Eboppos) {
self.windowTopPos = (self.largeHeight / self.currentZoomLevel - self.zoomWindow.height()) * (-1);
}
if (self.Eroppos) {
self.windowLeftPos = ((self.largeWidth / self.currentZoomLevel - self.zoomWindow.width()) * (-1));
}
//stops micro movements
if (self.fullheight) {
self.windowTopPos = 0;
}
if (self.fullwidth) {
self.windowLeftPos = 0;
}
//set the css background position
if (self.options.zoomType == "window" || self.options.zoomType == "inner") {
if (self.zoomLock == 1) {
//overrides for images not zoomable
if (self.widthRatio <= 1) {
self.windowLeftPos = 0;
}
if (self.heightRatio <= 1) {
self.windowTopPos = 0;
}
}
// adjust images less than the window height
if (self.options.zoomType == "window") {
if (self.largeHeight < self.options.zoomWindowHeight) {
self.windowTopPos = 0;
}
if (self.largeWidth < self.options.zoomWindowWidth) {
self.windowLeftPos = 0;
}
}
//set the zoomwindow background position
if (self.options.easing) {
// if(self.changeZoom){
// clearInterval(self.loop);
// self.changeZoom = false;
// self.loop = false;
// }
//set the pos to 0 if not set
if (!self.xp) {
self.xp = 0;
}
if (!self.yp) {
self.yp = 0;
}
//if loop not already started, then run it
if (!self.loop) {
self.loop = setInterval(function () {
//using zeno's paradox
self.xp += (self.windowLeftPos - self.xp) / self.options.easingAmount;
self.yp += (self.windowTopPos - self.yp) / self.options.easingAmount;
if (self.scrollingLock) {
clearInterval(self.loop);
self.xp = self.windowLeftPos;
self.yp = self.windowTopPos
self.xp = ((e.pageX - self.nzOffset.left) * self.widthRatio - self.zoomWindow.width() / 2) * (-1);
self.yp = (((e.pageY - self.nzOffset.top) * self.heightRatio - self.zoomWindow.height() / 2) * (-1));
if (self.changeBgSize) {
if (self.nzHeight > self.nzWidth) {
if (self.options.zoomType == "lens") {
self.zoomLens.css({"background-size": self.largeWidth / self.newvalueheight + 'px ' + self.largeHeight / self.newvalueheight + 'px'});
}
self.zoomWindow.css({"background-size": self.largeWidth / self.newvalueheight + 'px ' + self.largeHeight / self.newvalueheight + 'px'});
} else {
if (self.options.zoomType != "lens") {
self.zoomLens.css({"background-size": self.largeWidth / self.newvaluewidth + 'px ' + self.largeHeight / self.newvalueheight + 'px'});
}
self.zoomWindow.css({"background-size": self.largeWidth / self.newvaluewidth + 'px ' + self.largeHeight / self.newvaluewidth + 'px'});
}
/*
if(!self.bgxp){self.bgxp = self.largeWidth/self.newvalue;}
if(!self.bgyp){self.bgyp = self.largeHeight/self.newvalue ;}
if (!self.bgloop){
self.bgloop = setInterval(function(){
self.bgxp += (self.largeWidth/self.newvalue - self.bgxp) / self.options.easingAmount;
self.bgyp += (self.largeHeight/self.newvalue - self.bgyp) / self.options.easingAmount;
self.zoomWindow.css({ "background-size": self.bgxp + 'px ' + self.bgyp + 'px' });
}, 16);
}
*/
self.changeBgSize = false;
}
self.zoomWindow.css({backgroundPosition: self.windowLeftPos + 'px ' + self.windowTopPos + 'px'});
self.scrollingLock = false;
self.loop = false;
} else if (Math.round(Math.abs(self.xp - self.windowLeftPos) + Math.abs(self.yp - self.windowTopPos)) < 1) {
//stops micro movements
clearInterval(self.loop);
self.zoomWindow.css({backgroundPosition: self.windowLeftPos + 'px ' + self.windowTopPos + 'px'});
self.loop = false;
} else {
if (self.changeBgSize) {
if (self.nzHeight > self.nzWidth) {
if (self.options.zoomType == "lens") {
self.zoomLens.css({"background-size": self.largeWidth / self.newvalueheight + 'px ' + self.largeHeight / self.newvalueheight + 'px'});
}
self.zoomWindow.css({"background-size": self.largeWidth / self.newvalueheight + 'px ' + self.largeHeight / self.newvalueheight + 'px'});
} else {
if (self.options.zoomType != "lens") {
self.zoomLens.css({"background-size": self.largeWidth / self.newvaluewidth + 'px ' + self.largeHeight / self.newvaluewidth + 'px'});
}
self.zoomWindow.css({"background-size": self.largeWidth / self.newvaluewidth + 'px ' + self.largeHeight / self.newvaluewidth + 'px'});
}
self.changeBgSize = false;
}
self.zoomWindow.css({backgroundPosition: self.xp + 'px ' + self.yp + 'px'});
}
}, 16);
}
} else {
if (self.changeBgSize) {
if (self.nzHeight > self.nzWidth) {
if (self.options.zoomType == "lens") {
self.zoomLens.css({"background-size": self.largeWidth / self.newvalueheight + 'px ' + self.largeHeight / self.newvalueheight + 'px'});
}
self.zoomWindow.css({"background-size": self.largeWidth / self.newvalueheight + 'px ' + self.largeHeight / self.newvalueheight + 'px'});
} else {
if (self.options.zoomType == "lens") {
self.zoomLens.css({"background-size": self.largeWidth / self.newvaluewidth + 'px ' + self.largeHeight / self.newvaluewidth + 'px'});
}
if ((self.largeHeight / self.newvaluewidth) < self.options.zoomWindowHeight) {
self.zoomWindow.css({"background-size": self.largeWidth / self.newvaluewidth + 'px ' + self.largeHeight / self.newvaluewidth + 'px'});
} else {
self.zoomWindow.css({"background-size": self.largeWidth / self.newvalueheight + 'px ' + self.largeHeight / self.newvalueheight + 'px'});
}
}
self.changeBgSize = false;
}
self.zoomWindow.css({backgroundPosition: self.windowLeftPos + 'px ' + self.windowTopPos + 'px'});
}
}
},
setTintPosition: function (e) {
var self = this;
self.nzOffset = self.$elem.offset();
self.tintpos = String(((e.pageX - self.nzOffset.left) - (self.zoomLens.width() / 2)) * (-1));
self.tintposy = String(((e.pageY - self.nzOffset.top) - self.zoomLens.height() / 2) * (-1));
if (self.Etoppos) {
self.tintposy = 0;
}
if (self.Eloppos) {
self.tintpos = 0;
}
if (self.Eboppos) {
self.tintposy = (self.nzHeight - self.zoomLens.height() - (self.options.lensBorderSize * 2)) * (-1);
}
if (self.Eroppos) {
self.tintpos = ((self.nzWidth - self.zoomLens.width() - (self.options.lensBorderSize * 2)) * (-1));
}
if (self.options.tint) {
//stops micro movements
if (self.fullheight) {
self.tintposy = 0;
}
if (self.fullwidth) {
self.tintpos = 0;
}
self.zoomTintImage.css({'left': self.tintpos + 'px'});
self.zoomTintImage.css({'top': self.tintposy + 'px'});
}
},
swaptheimage: function (smallimage, largeimage) {
var self = this;
var newImg = new Image();
if (self.options.loadingIcon) {
self.spinner = $('<div style="background: url(\'' + self.options.loadingIcon + '\') no-repeat center;height:' + self.nzHeight + 'px;width:' + self.nzWidth + 'px;z-index: 2000;position: absolute; background-position: center center;"></div>');
self.$elem.after(self.spinner);
}
self.options.onImageSwap(self.$elem);
newImg.onload = function () {
self.largeWidth = newImg.width;
self.largeHeight = newImg.height;
self.zoomImage = largeimage;
self.zoomWindow.css({"background-size": self.largeWidth + 'px ' + self.largeHeight + 'px'});
self.swapAction(smallimage, largeimage);
return;
}
newImg.src = largeimage; // this must be done AFTER setting onload
},
swapAction: function (smallimage, largeimage) {
var self = this;
var newImg2 = new Image();
newImg2.onload = function () {
//re-calculate values
self.nzHeight = newImg2.height;
self.nzWidth = newImg2.width;
self.options.onImageSwapComplete(self.$elem);
self.doneCallback();
return;
}
newImg2.src = smallimage;
//reset the zoomlevel to that initially set in options
self.currentZoomLevel = self.options.zoomLevel;
self.options.maxZoomLevel = false;
//swaps the main image
//self.$elem.attr("src",smallimage);
//swaps the zoom image
if (self.options.zoomType == "lens") {
self.zoomLens.css({backgroundImage: "url('" + largeimage + "')"});
}
if (self.options.zoomType == "window") {
self.zoomWindow.css({backgroundImage: "url('" + largeimage + "')"});
}
if (self.options.zoomType == "inner") {
self.zoomWindow.css({backgroundImage: "url('" + largeimage + "')"});
}
self.currentImage = largeimage;
if (self.options.imageCrossfade) {
var oldImg = self.$elem;
var newImg = oldImg.clone();
self.$elem.attr("src", smallimage)
self.$elem.after(newImg);
newImg.stop(true).fadeOut(self.options.imageCrossfade, function () {
$(this).remove();
});
// if(self.options.zoomType == "inner"){
//remove any attributes on the cloned image so we can resize later
self.$elem.width("auto").removeAttr("width");
self.$elem.height("auto").removeAttr("height");
// }
oldImg.fadeIn(self.options.imageCrossfade);
if (self.options.tint && self.options.zoomType != "inner") {
var oldImgTint = self.zoomTintImage;
var newImgTint = oldImgTint.clone();
self.zoomTintImage.attr("src", largeimage)
self.zoomTintImage.after(newImgTint);
newImgTint.stop(true).fadeOut(self.options.imageCrossfade, function () {
$(this).remove();
});
oldImgTint.fadeIn(self.options.imageCrossfade);
//self.zoomTintImage.attr("width",elem.data("image"));
//resize the tint window
self.zoomTint.css({height: self.$elem.height()});
self.zoomTint.css({width: self.$elem.width()});
}
self.zoomContainer.css("height", self.$elem.height());
self.zoomContainer.css("width", self.$elem.width());
if (self.options.zoomType == "inner") {
if (!self.options.constrainType) {
self.zoomWrap.parent().css("height", self.$elem.height());
self.zoomWrap.parent().css("width", self.$elem.width());
self.zoomWindow.css("height", self.$elem.height());
self.zoomWindow.css("width", self.$elem.width());
}
}
if (self.options.imageCrossfade) {
self.zoomWrap.css("height", self.$elem.height());
self.zoomWrap.css("width", self.$elem.width());
}
} else {
self.$elem.attr("src", smallimage);
if (self.options.tint) {
self.zoomTintImage.attr("src", largeimage);
//self.zoomTintImage.attr("width",elem.data("image"));
self.zoomTintImage.attr("height", self.$elem.height());
//self.zoomTintImage.attr('src') = elem.data("image");
self.zoomTintImage.css({height: self.$elem.height()});
self.zoomTint.css({height: self.$elem.height()});
}
self.zoomContainer.css("height", self.$elem.height());
self.zoomContainer.css("width", self.$elem.width());
if (self.options.imageCrossfade) {
self.zoomWrap.css("height", self.$elem.height());
self.zoomWrap.css("width", self.$elem.width());
}
}
if (self.options.constrainType) {
//This will contrain the image proportions
if (self.options.constrainType == "height") {
self.zoomContainer.css("height", self.options.constrainSize);
self.zoomContainer.css("width", "auto");
if (self.options.imageCrossfade) {
self.zoomWrap.css("height", self.options.constrainSize);
self.zoomWrap.css("width", "auto");
self.constwidth = self.zoomWrap.width();
} else {
self.$elem.css("height", self.options.constrainSize);
self.$elem.css("width", "auto");
self.constwidth = self.$elem.width();
}
if (self.options.zoomType == "inner") {
self.zoomWrap.parent().css("height", self.options.constrainSize);
self.zoomWrap.parent().css("width", self.constwidth);
self.zoomWindow.css("height", self.options.constrainSize);
self.zoomWindow.css("width", self.constwidth);
}
if (self.options.tint) {
self.tintContainer.css("height", self.options.constrainSize);
self.tintContainer.css("width", self.constwidth);
self.zoomTint.css("height", self.options.constrainSize);
self.zoomTint.css("width", self.constwidth);
self.zoomTintImage.css("height", self.options.constrainSize);
self.zoomTintImage.css("width", self.constwidth);
}
}
if (self.options.constrainType == "width") {
self.zoomContainer.css("height", "auto");
self.zoomContainer.css("width", self.options.constrainSize);
if (self.options.imageCrossfade) {
self.zoomWrap.css("height", "auto");
self.zoomWrap.css("width", self.options.constrainSize);
self.constheight = self.zoomWrap.height();
} else {
self.$elem.css("height", "auto");
self.$elem.css("width", self.options.constrainSize);
self.constheight = self.$elem.height();
}
if (self.options.zoomType == "inner") {
self.zoomWrap.parent().css("height", self.constheight);
self.zoomWrap.parent().css("width", self.options.constrainSize);
self.zoomWindow.css("height", self.constheight);
self.zoomWindow.css("width", self.options.constrainSize);
}
if (self.options.tint) {
self.tintContainer.css("height", self.constheight);
self.tintContainer.css("width", self.options.constrainSize);
self.zoomTint.css("height", self.constheight);
self.zoomTint.css("width", self.options.constrainSize);
self.zoomTintImage.css("height", self.constheight);
self.zoomTintImage.css("width", self.options.constrainSize);
}
}
}
},
doneCallback: function () {
var self = this;
if (self.options.loadingIcon) {
self.spinner.hide();
}
self.nzOffset = self.$elem.offset();
self.nzWidth = self.$elem.width();
self.nzHeight = self.$elem.height();
// reset the zoomlevel back to default
self.currentZoomLevel = self.options.zoomLevel;
//ratio of the large to small image
self.widthRatio = self.largeWidth / self.nzWidth;
self.heightRatio = self.largeHeight / self.nzHeight;
//NEED TO ADD THE LENS SIZE FOR ROUND
// adjust images less than the window height
if (self.options.zoomType == "window") {
if (self.nzHeight < self.options.zoomWindowWidth / self.widthRatio) {
lensHeight = self.nzHeight;
} else {
lensHeight = String((self.options.zoomWindowHeight / self.heightRatio))
}
if (self.options.zoomWindowWidth < self.options.zoomWindowWidth) {
lensWidth = self.nzWidth;
} else {
lensWidth = (self.options.zoomWindowWidth / self.widthRatio);
}
if (self.zoomLens) {
self.zoomLens.css('width', lensWidth);
self.zoomLens.css('height', lensHeight);
}
}
},
getCurrentImage: function () {
var self = this;
return self.zoomImage;
},
getGalleryList: function () {
var self = this;
//loop through the gallery options and set them in list for fancybox
self.gallerylist = [];
if (self.options.gallery) {
$('#' + self.options.gallery + ' a').each(function () {
var img_src = '';
if ($(this).data("zoom-image")) {
img_src = $(this).data("zoom-image");
} else if ($(this).data("image")) {
img_src = $(this).data("image");
}
//put the current image at the start
if (img_src == self.zoomImage) {
self.gallerylist.unshift({
href: '' + img_src + '',
title: $(this).find('img').attr("title")
});
} else {
self.gallerylist.push({
href: '' + img_src + '',
title: $(this).find('img').attr("title")
});
}
});
}
//if no gallery - return current image
else {
self.gallerylist.push({
href: '' + self.zoomImage + '',
title: $(this).find('img').attr("title")
});
}
return self.gallerylist;
},
changeZoomLevel: function (value) {
var self = this;
//flag a zoom, so can adjust the easing during setPosition
self.scrollingLock = true;
//round to two decimal places
self.newvalue = parseFloat(value).toFixed(2);
newvalue = parseFloat(value).toFixed(2);
//maxwidth & Maxheight of the image
maxheightnewvalue = self.largeHeight / ((self.options.zoomWindowHeight / self.nzHeight) * self.nzHeight);
maxwidthtnewvalue = self.largeWidth / ((self.options.zoomWindowWidth / self.nzWidth) * self.nzWidth);
//calculate new heightratio
if (self.options.zoomType != "inner")
{
if (maxheightnewvalue <= newvalue) {
self.heightRatio = (self.largeHeight / maxheightnewvalue) / self.nzHeight;
self.newvalueheight = maxheightnewvalue;
self.fullheight = true;
} else {
self.heightRatio = (self.largeHeight / newvalue) / self.nzHeight;
self.newvalueheight = newvalue;
self.fullheight = false;
}
// calculate new width ratio
if (maxwidthtnewvalue <= newvalue) {
self.widthRatio = (self.largeWidth / maxwidthtnewvalue) / self.nzWidth;
self.newvaluewidth = maxwidthtnewvalue;
self.fullwidth = true;
} else {
self.widthRatio = (self.largeWidth / newvalue) / self.nzWidth;
self.newvaluewidth = newvalue;
self.fullwidth = false;
}
if (self.options.zoomType == "lens") {
if (maxheightnewvalue <= newvalue) {
self.fullwidth = true;
self.newvaluewidth = maxheightnewvalue;
} else {
self.widthRatio = (self.largeWidth / newvalue) / self.nzWidth;
self.newvaluewidth = newvalue;
self.fullwidth = false;
}
}
}
if (self.options.zoomType == "inner")
{
maxheightnewvalue = parseFloat(self.largeHeight / self.nzHeight).toFixed(2);
maxwidthtnewvalue = parseFloat(self.largeWidth / self.nzWidth).toFixed(2);
if (newvalue > maxheightnewvalue) {
newvalue = maxheightnewvalue;
}
if (newvalue > maxwidthtnewvalue) {
newvalue = maxwidthtnewvalue;
}
if (maxheightnewvalue <= newvalue) {
self.heightRatio = (self.largeHeight / newvalue) / self.nzHeight;
if (newvalue > maxheightnewvalue) {
self.newvalueheight = maxheightnewvalue;
} else {
self.newvalueheight = newvalue;
}
self.fullheight = true;
} else {
self.heightRatio = (self.largeHeight / newvalue) / self.nzHeight;
if (newvalue > maxheightnewvalue) {
self.newvalueheight = maxheightnewvalue;
} else {
self.newvalueheight = newvalue;
}
self.fullheight = false;
}
if (maxwidthtnewvalue <= newvalue) {
self.widthRatio = (self.largeWidth / newvalue) / self.nzWidth;
if (newvalue > maxwidthtnewvalue) {
self.newvaluewidth = maxwidthtnewvalue;
} else {
self.newvaluewidth = newvalue;
}
self.fullwidth = true;
} else {
self.widthRatio = (self.largeWidth / newvalue) / self.nzWidth;
self.newvaluewidth = newvalue;
self.fullwidth = false;
}
} //end inner
scrcontinue = false;
if (self.options.zoomType == "inner") {
if (self.nzWidth >= self.nzHeight) {
if (self.newvaluewidth <= maxwidthtnewvalue) {
scrcontinue = true;
} else {
scrcontinue = false;
self.fullheight = true;
self.fullwidth = true;
}
}
if (self.nzHeight > self.nzWidth) {
if (self.newvaluewidth <= maxwidthtnewvalue) {
scrcontinue = true;
} else {
scrcontinue = false;
self.fullheight = true;
self.fullwidth = true;
}
}
}
if (self.options.zoomType != "inner") {
scrcontinue = true;
}
if (scrcontinue) {
self.zoomLock = 0;
self.changeZoom = true;
//if lens height is less than image height
if (((self.options.zoomWindowHeight) / self.heightRatio) <= self.nzHeight) {
self.currentZoomLevel = self.newvalueheight;
if (self.options.zoomType != "lens" && self.options.zoomType != "inner") {
self.changeBgSize = true;
self.zoomLens.css({height: String((self.options.zoomWindowHeight) / self.heightRatio) + 'px'})
}
if (self.options.zoomType == "lens" || self.options.zoomType == "inner") {
self.changeBgSize = true;
}
}
if ((self.options.zoomWindowWidth / self.widthRatio) <= self.nzWidth) {
if (self.options.zoomType != "inner") {
if (self.newvaluewidth > self.newvalueheight) {
self.currentZoomLevel = self.newvaluewidth;
}
}
if (self.options.zoomType != "lens" && self.options.zoomType != "inner") {
self.changeBgSize = true;
self.zoomLens.css({width: String((self.options.zoomWindowWidth) / self.widthRatio) + 'px'})
}
if (self.options.zoomType == "lens" || self.options.zoomType == "inner") {
self.changeBgSize = true;
}
}
if (self.options.zoomType == "inner") {
self.changeBgSize = true;
if (self.nzWidth > self.nzHeight) {
self.currentZoomLevel = self.newvaluewidth;
}
if (self.nzHeight > self.nzWidth) {
self.currentZoomLevel = self.newvaluewidth;
}
}
} //under
//sets the boundry change, called in setWindowPos
self.setPosition(self.currentLoc);
//
},
closeAll: function () {
if (self.zoomWindow) {
self.zoomWindow.hide();
}
if (self.zoomLens) {
self.zoomLens.hide();
}
if (self.zoomTint) {
self.zoomTint.hide();
}
},
changeState: function (value) {
var self = this;
if (value == 'enable') {
self.options.zoomEnabled = true;
}
if (value == 'disable') {
self.options.zoomEnabled = false;
}
}
};
$.fn.elevateZoom = function (options) {
return this.each(function () {
var elevate = Object.create(ElevateZoom);
elevate.init(options, this);
$.data(this, 'elevateZoom', elevate);
});
};
$.fn.elevateZoom.options = {
zoomActivation: "hover", // Can also be click (PLACEHOLDER FOR NEXT VERSION)
zoomEnabled: true, //false disables zoomwindow from showing
preloading: 1, //by default, load all the images, if 0, then only load images after activated (PLACEHOLDER FOR NEXT VERSION)
zoomLevel: 1, //default zoom level of image
scrollZoom: false, //allow zoom on mousewheel, true to activate
scrollZoomIncrement: 0.1, //steps of the scrollzoom
minZoomLevel: false,
maxZoomLevel: false,
easing: false,
easingAmount: 12,
lensSize: 200,
zoomWindowWidth: 400,
zoomWindowHeight: 400,
zoomWindowOffetx: 0,
zoomWindowOffety: 0,
zoomWindowPosition: 1,
zoomWindowBgColour: "#fff",
lensFadeIn: false,
lensFadeOut: false,
debug: false,
zoomWindowFadeIn: false,
zoomWindowFadeOut: false,
zoomWindowAlwaysShow: false,
zoomTintFadeIn: false,
zoomTintFadeOut: false,
borderSize: 4,
showLens: true,
borderColour: "#888",
lensBorderSize: 1,
lensBorderColour: "#000",
lensShape: "square", //can be "round"
zoomType: "window", //window is default, also "lens" available -
containLensZoom: false,
lensColour: "white", //colour of the lens background
lensOpacity: 0.4, //opacity of the lens
lenszoom: false,
tint: false, //enable the tinting
tintColour: "#333", //default tint color, can be anything, red, #ccc, rgb(0,0,0)
tintOpacity: 0.4, //opacity of the tint
gallery: false,
galleryActiveClass: "zoomGalleryActive",
imageCrossfade: false,
constrainType: false, //width or height
constrainSize: false, //in pixels the dimensions you want to constrain on
loadingIcon: false, //http://www.example.com/spinner.gif
cursor: "default", // user should set to what they want the cursor as, if they have set a click function
responsive: true,
onComplete: $.noop,
onDestroy: function () {},
onZoomedImageLoaded: function () {},
onImageSwap: $.noop,
onImageSwapComplete: $.noop
};
})(jQuery, window, document);