/*
@license

dhtmlxGantt v.6.2.6 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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/***/ "./sources/ext/marker.js":
/*!*******************************!*\
  !*** ./sources/ext/marker.js ***!
  \*******************************/
/*! no static exports found */
/***/ (function(module, exports) {


(function(){

if(!gantt._markers) {
	gantt._markers = gantt.createDatastore({
		name: "marker",
		initItem: function (marker) {
			marker.id = marker.id || gantt.uid();
			return marker;
		}
	});
}

gantt.config.show_markers = true;

function render_marker(marker){
	if(!gantt.config.show_markers)
		return false;

	if(!marker.start_date)
		return false;

	var state = gantt.getState();
	if(+marker.start_date > +state.max_date)
		return;
	if((!marker.end_date || +marker.end_date < +state.min_date) && +marker.start_date < +state.min_date)
		return;

	var div = document.createElement("div");

	div.setAttribute("data-marker-id", marker.id);

	var css = "gantt_marker";
	if(gantt.templates.marker_class)
		css += " " + gantt.templates.marker_class(marker);

	if(marker.css){
		css += " " + marker.css;
	}

	if(marker.title){
		div.title = marker.title;
	}
	div.className = css;

	var start = gantt.posFromDate(marker.start_date);
	div.style.left = start + "px";
	div.style.height = Math.max(gantt.getRowTop(gantt.getVisibleTaskCount()), 0) + "px";
	if(marker.end_date){
		var end = gantt.posFromDate(marker.end_date);
		div.style.width = Math.max((end - start), 0) + "px";

	}

	if(marker.text){
		div.innerHTML = "<div class='gantt_marker_content' >" + marker.text + "</div>";
	}

	return div;
}

function initMarkerArea(){
	if(!gantt.$task_data)
		return;

	var markerArea = document.createElement("div");
	markerArea.className = "gantt_marker_area";
	gantt.$task_data.appendChild(markerArea);
	gantt.$marker_area = markerArea;
}

gantt.attachEvent("onBeforeGanttRender", function(){
	if(!gantt.$marker_area)
		initMarkerArea();
});

gantt.attachEvent("onDataRender", function(){
	if(!gantt.$marker_area){
		initMarkerArea();
		gantt.renderMarkers();
	}
});

gantt.attachEvent("onGanttReady", function(){
	initMarkerArea();

	var layers = gantt.$services.getService("layers");
	var markerRenderer = layers.createDataRender({
		name: "marker",
		defaultContainer: function(){ return gantt.$marker_area;}
	});
	markerRenderer.addLayer(render_marker);
});

gantt.getMarker = function(id){
	if(!this._markers) return null;

	return this._markers.getItem(id);
};

gantt.addMarker = function(marker){
	return this._markers.addItem(marker);
};

gantt.deleteMarker = function(id){
	if(!this._markers.exists(id))
		return false;

	this._markers.removeItem(id);
	return true;
};
gantt.updateMarker = function(id){
	this._markers.refresh(id);
};

gantt._getMarkers = function(){
	return this._markers.getItems();
};

gantt.renderMarkers = function () {
	this._markers.refresh();
};

})();

/***/ })

/******/ });
});