sonist/dist/drag/index.js

"use strict";function getBindingCallback(e,t,i){var n=e.getAttribute(t);if(n)for(var a,o=0;a=i[o++];)if(a.hasOwnProperty(n)&&"function"==typeof a[n])return a[n]}Anot.ui.drag="1.0.0",Anot.directive("drag",{priority:1500,init:function(e){e.expr='"'+e.expr+'"';let t=document.documentMode?"move":"grab";window.sidebar?t="-moz-"+t:window.chrome&&(t="-webkit-"+t),Anot(e.element).css("cursor",t),e.beforedrag=getBindingCallback(e.element,"data-beforedrag",e.vmodels),e.dragging=getBindingCallback(e.element,"data-dragging",e.vmodels),e.dragged=getBindingCallback(e.element,"data-dragged",e.vmodels),e.overflow=!0,e.axis="xy",e.element.dataset.axis&&(e.axis=e.element.dataset.axis,delete e.element.dataset.axis),e.limit=!1,e.element.dataset.limit&&(e.limit=e.element.dataset.limit,e.overflow=!1,delete e.element.dataset.limit),delete e.element.dataset.beforedrag,delete e.element.dataset.dragging,delete e.element.dataset.dragged},update:function(e){let t,i,n,a,o,l,r,d,s,g,m,u,c,f,p,b=this,x=e?this.element.parentNode:this.element,v=Anot(this.element),h=Anot(document),w=null,y=null;for(;e&&x&&(x.classList||Anot.error(`${this.name}=${this.expr}, 解析异常[元素不存在]`),!x.classList.contains(e)&&x.id!==e);)x=x.parentNode;w=Anot(x),"parent"===this.limit&&(y=x.parentNode),v.bind("mousedown",function(e){let v=getComputedStyle(x),A=v.transform.replace(/matrix\((.*)\)/,"$1"),C=w.offset();if("0s"!==v.transitionDuration&&(p=v.transitionDuration,x.style.transitionDuration="0s"),(A="none"!==A?A.split(", "):[1,0,0,1,0,0])[4]-=0,A[5]-=0,t=A[4],i=A[5],c=h.scrollTop(),f=h.scrollLeft(),o=C.left-t-f,l=C.top-i-c,n=e.pageX,a=e.pageY,m=window.innerWidth,u=window.innerHeight,s=x.clientWidth,g=x.clientHeight,b.beforedrag){if(!1===b.beforedrag.call(b.vmodels[0],x,o+t,l+i))return}let k=[0,u-g,0,m-s];if("parent"===b.limit){let e=getComputedStyle(y).transform.replace(/matrix\((.*)\)/,"$1"),t=Anot(y).offset();e="none"!==e?e.split(", "):[1,0,0,1,0,0];let i=t.left-e[4]-f,n=t.top-e[5]-c;k=[n,n+y.clientHeight-g,i,i+y.clientWidth-s]}let D=h.bind("mousemove",function(e){e.preventDefault(),"y"!==b.axis&&(A[4]=e.pageX-n+t),"x"!==b.axis&&(A[5]=e.pageY-a+i),r=o+A[4],d=l+A[5],b.overflow||("y"!==b.axis&&(r<=k[2]&&(r=k[2],A[4]=r-o),r>=k[3]&&(r=k[3],A[4]=r-o)),"x"!==b.axis&&(d<=k[0]&&(d=k[0],A[5]=d-l),d>=k[1]&&(d=k[1],A[5]=d-l))),w.css({transform:"matrix("+A.join(", ")+")"}),b.dragging&&b.dragging.call(b.vmodels[0],x,r,d)}),B=h.bind("mouseup",function(e){h.unbind("mousemove",D),h.unbind("mouseup",B),x.style.transitionDuration=p,b.dragged&&b.dragged.call(b.vmodels[0],x,r,d,A[4],A[5])})})}});