1 line
3.6 KiB
JavaScript
1 line
3.6 KiB
JavaScript
gj.draggable={plugins:{}},gj.draggable.config={base:{handle:void 0,vertical:!0,horizontal:!0,containment:void 0}},gj.draggable.methods={init:function(a){var b,c,d=this;return gj.widget.prototype.init.call(this,a,"draggable"),c=this.data(),d.attr("data-draggable","true"),b=gj.draggable.methods.getHandleElement(d),b.on("touchstart mousedown",function(a){var e=gj.core.position(d[0]);d[0].style.top=e.top+"px",d[0].style.left=e.left+"px",d[0].style.position="fixed",d.attr("draggable-dragging",!0),d.removeAttr("draggable-x").removeAttr("draggable-y"),gj.documentManager.subscribeForEvent("touchmove",d.data("guid"),gj.draggable.methods.createMoveHandler(d,b,c)),gj.documentManager.subscribeForEvent("mousemove",d.data("guid"),gj.draggable.methods.createMoveHandler(d,b,c))}),gj.documentManager.subscribeForEvent("mouseup",d.data("guid"),gj.draggable.methods.createUpHandler(d)),gj.documentManager.subscribeForEvent("touchend",d.data("guid"),gj.draggable.methods.createUpHandler(d)),gj.documentManager.subscribeForEvent("touchcancel",d.data("guid"),gj.draggable.methods.createUpHandler(d)),d},getHandleElement:function(a){var b=a.data("handle");return b&&b.length?b:a},createUpHandler:function(a){return function(b){"true"===a.attr("draggable-dragging")&&(a.attr("draggable-dragging",!1),gj.documentManager.unsubscribeForEvent("mousemove",a.data("guid")),gj.documentManager.unsubscribeForEvent("touchmove",a.data("guid")),gj.draggable.events.stop(a,{x:a.mouseX(b),y:a.mouseY(b)}))}},createMoveHandler:function(a,b,c){return function(b){var d,e,f,g,h,i;"true"===a.attr("draggable-dragging")&&(d=Math.round(a.mouseX(b)),e=Math.round(a.mouseY(b)),h=a.attr("draggable-x"),i=a.attr("draggable-y"),h&&i?(f=c.horizontal?d-parseInt(h,10):0,g=c.vertical?e-parseInt(i,10):0,gj.draggable.methods.move(a[0],c,f,g,d,e)):gj.draggable.events.start(a,d,e),a.attr("draggable-x",d),a.attr("draggable-y",e))}},move:function(a,b,c,d,e,f){var g,h,i,j=gj.core.position(a),k=j.top+d,l=j.left+c;b.containment&&(g=gj.core.position(b.containment),h=g.top+gj.core.height(b.containment)-gj.core.height(a),i=g.left+gj.core.width(b.containment)-gj.core.width(a),k>g.top&&k<h?(g.top>=f||g.bottom<=f)&&(k=j.top):k=k<=g.top?g.top+1:h-1,l>g.left&&l<i?(g.left>=e||g.right<=e)&&(l=j.left):l=l<=g.left?g.left+1:i-1),!1!==gj.draggable.events.drag($(a),l,k,e,f)&&(a.style.top=k+"px",a.style.left=l+"px")},destroy:function(a){return"true"===a.attr("data-draggable")&&(gj.documentManager.unsubscribeForEvent("mouseup",a.data("guid")),a.removeData(),a.removeAttr("data-guid").removeAttr("data-type").removeAttr("data-draggable"),a.removeAttr("draggable-x").removeAttr("draggable-y").removeAttr("draggable-dragging"),a[0].style.top="",a[0].style.left="",a[0].style.position="",a.off("drag").off("start").off("stop"),gj.draggable.methods.getHandleElement(a).off("mousedown")),a}},gj.draggable.events={drag:function(a,b,c,d,e){return a.triggerHandler("drag",[{left:b,top:c},{x:d,y:e}])},start:function(a,b,c){a.triggerHandler("start",[{x:b,y:c}])},stop:function(a,b){a.triggerHandler("stop",[b])}},gj.draggable.widget=function(a,b){var c=this,d=gj.draggable.methods;return a.destroy||(c.destroy=function(){return d.destroy(this)}),$.extend(a,c),"true"!==a.attr("data-draggable")&&d.init.call(a,b),a},gj.draggable.widget.prototype=new gj.widget,gj.draggable.widget.constructor=gj.draggable.widget,function(a){a.fn.draggable=function(a){var b;if(this&&this.length){if("object"!=typeof a&&a){if(b=new gj.draggable.widget(this,null),b[a])return b[a].apply(this,Array.prototype.slice.call(arguments,1));throw"Method "+a+" does not exist."}return new gj.draggable.widget(this,a)}}}(jQuery); |