},
// 放大镜的图片的top和left
mover: function (that) {
if (parseInt(that.pagex2 + that.leftcha) <= parseInt(that._this.width() + that._this.offset().left) && that.pagex2 >= that.leftcha + that._this.offset().left) {
$(this).offset({left: that.pagex2 - that.leftcha});
} else {
if (parseInt(that.pagex2 + that.leftcha) > parseInt(that._this.width() + that._this.offset().left) && that.pagex2)
$(this).offset({left: that._this.width() + that._this.offset().left - that.leftcha * 2});
else
$(this).offset({left: that._this.offset().left});
}
if (parseInt(that.pagey2 + that.topcha) <= parseInt(that._this.height() + that._this.offset().top) && that.pagey2 >= that.topcha + that._this.offset().top) {
$(this).offset({top: (that.pagey2 - that.topcha)});
//document.getElementById("move").style.top = (pagey2 - (this.pagey - this.divtop)).toString() + "px";
} else {
if (parseInt(that.pagey2 + that.topcha) > parseInt(that._this.height() + that._this.offset().top))
$(this).offset({top: (that._this.height() + that._this.offset().top - that.topcha * 2)});
//document.getElementById("move").style.top = (this.height - this.divHeight).toString() + "px";
else
$(this).offset({top: that._this.offset().top});
//document.getElementById("move").style.top = "0px"
}
var bilx = ($(this).offset().left - that._this.offset().left) / (that.ImgMinWidth / that.ImgWidth);
var bily = ($(this).offset().top - that._this.offset().top) / (that.ImgMinHeigth / that.ImgHeight);
return{left:bilx,top:bily};
}
},
// 第二层 事件绑定层
domOperation: {
// 鼠标移动到图片的一系列dom的操作
imghover: function () {
var that = this;
$("img", this._this).hover(function (e) {
this.pagex = e.x || e.pageX;
this.pagey = e.y || e.pageY;
var offset;
var obj = new Image();
obj.src = that.ImgUrl;
obj.onload = function () {
if (obj.height > 0) {
that.ImgWidth = obj.width;
that.ImgHeight = obj.height;
if ($("#jqoomz").length == 0) {
that._this.after("<div></div>");
}
offset = that.basicOperation.finder.call(that._this.find("img")[0],that);
}
};
if ($("#jqoomz").length == 0) {
that.ImgWidth = obj.width;
that.ImgHeight = obj.height;
that._this.after("<div></div>");
}
offset = that.basicOperation.finder.call(this,that);
if ($("#jqoomy").length == 0) {
$(this).after("<div></div>")
.siblings("#jqoomy")
.addClass("jqoomy")
.show()
.width((that.ImgMinWidth / that.ImgWidth * that.ImgMinWidth))
.height((that.ImgMinHeigth / that.ImgHeight * that.ImgMinHeigth))
.offset({
top: offset.top,
left: offset.left
});
}
$("#jqoomz").width(that.width).height(that.height).offset({
left: that._this.outerWidth() + that._this.offset().left,
top: that._this[0].offsetTop
}).append($("<img></img>").attr("src", that.ImgUrl));
},function () {});
},
//鼠标在图片上滑动的一系列dom操作
docMousemove: function () {
var that=this;
$(document).on("mousemove", function (event) {
that.pagex2 = event.x || event.pageX;
that.pagey2 = event.y || event.pageY;
var offset=that.basicOperation.mover.call($("#jqoomy"),that);
$("#jqoomz img").css({"margin-left": -offset.left, "margin-top": -offset.top});
});
},
//鼠标移除图片的一系列dom操作
Jqoomhover:function () {
this._this.hover(function (e) {
}, function () {
console.log(111);
$("#jqoomz").remove();
$(document).unbind("mousemove");
$("#jqoomy").remove();
});
}
}
};
$.fn.extend({
jqoom: function (potions) {
return new OppJqoom(this, potions);
}
})
})(jQuery);