/*
@license

dhtmlxGantt v.6.3.4 Standard

This version of dhtmlxGantt is distributed under GPL 2.0 license and can be legally used in GPL projects.

To use dhtmlxGantt in non-GPL projects (and get Pro version of the product), please obtain Commercial/Enterprise or Ultimate license on our site https://dhtmlx.com/docs/products/dhtmlxGantt/#licensing or contact us at sales@dhtmlx.com

(c) XB Software Ltd.

*/
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strict";Object.defineProperty(e,"__esModule",{value:!0});var o=n(2),r=function(){function t(){var t=this;this._mouseDown=!1,this._calculateDirectionVector=function(){if(t._trace.length>=10){for(var e=t._trace.slice(t._trace.length-10),n=[],o=1;o<e.length;o++)n.push({x:e[o].x-e[o-1].x,y:e[o].y-e[o-1].y});var r={x:0,y:0};return n.forEach(function(t){r.x+=t.x,r.y+=t.y}),{magnitude:Math.sqrt(r.x*r.x+r.y*r.y),angleDegrees:180*Math.atan2(Math.abs(r.y),Math.abs(r.x))/Math.PI}}return null},this._applyDndReadyStyles=function(){t._timeline.$task.classList.add("gantt_timeline_move_available")},this._clearDndReadyStyles=function(){t._timeline.$task.classList.remove("gantt_timeline_move_available")},this._getScrollPosition=function(t){return{x:gantt.$ui.getView(t.$config.scrollX).getScrollState().position,y:gantt.$ui.getView(t.$config.scrollY).getScrollState().position}},this._countNewScrollPosition=function(e){var n=t._calculateDirectionVector(),o=t._startPoint.x-e.x,r=t._startPoint.y-e.y;return n&&(n.angleDegrees<15?r=0:n.angleDegrees>75&&(o=0)),{x:t._scrollState.x+o,y:t._scrollState.y+r}},this._setScrollPosition=function(t,e){o.requestAnimationFrame(function(){gantt.$ui.getView(t.$config.scrollX).scroll(e.x),gantt.$ui.getView(t.$config.scrollY).scroll(e.y)})},this._stopDrag=function(e){t._trace=[],gantt.$root.classList.remove("gantt_noselect"),void 0!==t._originalReadonly&&(gantt.config.readonly=t._originalReadonly),void 0!==t._originAutoscroll&&(gantt.config.autoscroll=t._originAutoscroll);var n=gantt.config.drag_timeline.useKey;n&&!0!==e[n]||t._mouseDown&&(t._mouseDown=!1)},this._startDrag=function(e){t._originAutoscroll=gantt.config.autoscroll,gantt.config.autoscroll=!1,gantt.$root.classList.add("gantt_noselect"),t._originalReadonly=gantt.config.readonly,gantt.config.readonly=!0,t._trace=[],t._mouseDown=!0;var 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