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* Select2-to-Tree 1.1.1\n * https://github.com/clivezhg/select2-to-tree\n */\n(function ($) {\n\t$.fn.select2ToTree = function (options) {\n\t\tvar opts = $.extend({}, options);\n\n\t\tif (opts.treeData) {\n\t\t\tbuildSelect(opts.treeData, this);\n\t\t}\n\n\t\topts._templateResult = opts.templateResult;\n\t\topts.templateResult = function (data, container) {\n\t\t\tvar label = data.text;\n\t\t\tif (typeof opts._templateResult === \"function\") {\n\t\t\t\tlabel = opts._templateResult(data, container);\n\t\t\t}\n\t\t\tvar $iteme = $(\"<span class='item-label'></span>\").append(label);\n\t\t\tif (data.element) {\n\t\t\t\tvar ele = data.element;\n\t\t\t\tcontainer.setAttribute(\"data-val\", ele.value);\n\t\t\t\tif (ele.className) container.className += \" \" + ele.className;\n\t\t\t\tif (ele.getAttribute(\"data-pup\")) {\n\t\t\t\t\tcontainer.setAttribute(\"data-pup\", ele.getAttribute(\"data-pup\"));\n\t\t\t\t}\n\t\t\t\tif ($(container).hasClass(\"non-leaf\")) {\n\t\t\t\t\treturn $.merge($('<span class=\"expand-collapse\" onmouseup=\"expColMouseupHandler(event);\"></span>'), $iteme);\n\t\t\t\t}\n\t\t\t}\n\t\t\treturn $iteme;\n\t\t};\n\n\t\twindow.expColMouseupHandler = function (evt) {\n\t\t\ttoggleSubOptions(evt.target || evt.srcElement);\n\t\t\t/* prevent Select2 from doing \"select2:selecting\",\"select2:unselecting\",\"select2:closing\" */\n\t\t\tevt.stopPropagation ? evt.stopPropagation() : evt.cancelBubble = true;\n\t\t\tevt.preventDefault ? evt.preventDefault() : evt.returnValue = false;\n\t\t}\n\n\t\tvar s2inst = this.select2(opts);\n\n\t\ts2inst.on(\"select2:open\", function (evt) {\n\t\t\tvar s2data = s2inst.data(\"select2\");\n\t\t\ts2data.$dropdown.addClass(\"s2-to-tree\");\n\t\t\ts2data.$dropdown.removeClass(\"searching-result\");\n\t\t\tvar $allsch = s2data.$dropdown.find(\".select2-search__field\").add( s2data.$container.find(\".select2-search__field\") );\n\t\t\t$allsch.off(\"input\", inputHandler);\n\t\t\t$allsch.on(\"input\", inputHandler);\n\t\t});\n\n\t\t/* Show search result options even if they are collapsed */\n\t\tfunction inputHandler(evt) {\n\t\t\tvar s2data = s2inst.data(\"select2\");\n\t\t\tif ($(this).val().trim().length > 0) {\n\t\t\t\ts2data.$dropdown.addClass(\"searching-result\");\n\t\t\t}\n\t\t\telse {\n\t\t\t\ts2data.$dropdown.removeClass(\"searching-result\");\n\t\t\t}\n\t\t}\n\n\t\treturn s2inst;\n\t};\n\n \t/* Build the Select Option elements */\n\tfunction buildSelect(treeData, $el) {\n\n\t\t/* Support the object path (eg: `item.label`) for 'valFld' & 'labelFld' */\n\t\tfunction readPath(object, path) {\n\t\t\tvar currentPosition = object;\n\t\t\tfor (var j = 0; j < path.length; j++) {\n\t\t\t\tvar currentPath = path[j];\n\t\t\t\tif (currentPosition[currentPath]) {\n\t\t\t\t\tcurrentPosition = currentPosition[currentPath];\n\t\t\t\t\tcontinue;\n\t\t\t\t}\n\t\t\t\treturn 'MISSING';\n\t\t\t}\n\t\t\treturn currentPosition;\n\t\t}\n\n\t\tfunction buildOptions(dataArr, curLevel, pup) {\n\t\t\tvar labelPath;\n\t\t\tif (treeData.labelFld && treeData.labelFld.split('.').length> 1){\n\t\t\t\tlabelPath = treeData.labelFld.split('.');\n\t\t\t}\n\t\t\tvar idPath;\n\t\t\tif (treeData.valFld && treeData.valFld.split('.').length > 1) {\n\t\t\t\tidPath = treeData.valFld.split('.');\n\t\t\t}\n\n\t\t\tfor (var i = 0; i < dataArr.length; i++) {\n\t\t\t\tvar data = dataArr[i] || {};\n\t\t\t\tvar $opt = $(\"<option></option>\");\n\t\t\t\tif (labelPath) {\n\t\t\t\t\t$opt.text(readPath(data, labelPath));\n\t\t\t\t} else {\n\t\t\t\t\t$opt.text(data[treeData.labelFld || \"text\"]);\n\t\t\t\t}\n\t\t\t\tif (idPath) {\n\t\t\t\t\t$opt.val(readPath(data, idPath));\n\t\t\t\t} else {\n\t\t\t\t\t$opt.val(data[treeData.valFld || \"id\"]);\n\t\t\t\t}\n\t\t\t\tif (data[treeData.selFld || \"selected\"] && String(data[treeData.selFld || \"selected\"]) === \"true\") {\n\t\t\t\t\t$opt.prop(\"selected\", data[treeData.selFld || \"selected\"]);\n\t\t\t\t}\n\t\t\t\tif($opt.val() === \"\") {\n\t\t\t\t\t$opt.prop(\"disabled\", true);\n\t\t\t\t\t$opt.val(getUniqueValue());\n\t\t\t\t}\n\n\t\t\t\t$opt.addClass(\"l\" + curLevel);\n\t\t\t\tif (pup) $opt.attr(\"data-pup\", pup);\n\t\t\t\t$el.append($opt);\n\t\t\t\tvar inc = data[treeData.incFld || \"inc\"];\n\t\t\t\tif (inc && inc.length > 0) {\n\t\t\t\t\t$opt.addClass(\"non-leaf\");\n\t\t\t\t\tbuildOptions(inc, curLevel+1, $opt.val());\n\t\t\t\t}\n\t\t\t} // end 'for'\n\t\t} // end 'buildOptions'\n\n\t\tbuildOptions(treeData.dataArr, 1, \"\");\n\t\tif (treeData.dftVal) $el.val(treeData.dftVal);\n\t}\n\n\tvar uniqueIdx = 1;\n\tfunction getUniqueValue() {\n\t\treturn \"autoUniqueVal_\" + uniqueIdx++;\n\t}\n\n\tfunction toggleSubOptions(target) {\n\t\t$(target.parentNode).toggleClass(\"opened\");\n\t\tshowHideSub(target.parentNode);\n\t}\n\n\tfunction showHideSub(ele) {\n\t\tvar curEle = ele;\n\t\tvar $options = $(ele).parent(\".select2-results__options\");\n\t\tvar shouldShow = true;\n\t\tdo {\n\t\t\tvar pup = ($(curEle).attr(\"data-pup\") || \"\").replace(/'/g, \"\\\\'\");\n\t\t\tcurEle = null;\n\t\t\tif (pup) {\n\t\t\t\tvar pupEle = $options.find(\".select2-results__option[data-val='\" + pup + \"']\");\n\t\t\t\tif (pupEle.length > 0) {\n\t\t\t\t\tif (!pupEle.eq(0).hasClass(\"opened\")) { // hide current node if any parent node is collapsed\n\t\t\t\t\t\t$(ele).removeClass(\"showme\");\n\t\t\t\t\t\tshouldShow = false;\n\t\t\t\t\t\tbreak;\n\t\t\t\t\t}\n\t\t\t\t\tcurEle = pupEle[0];\n\t\t\t\t}\n\t\t\t}\n\t\t} while (curEle);\n\t\tif (shouldShow) $(ele).addClass(\"showme\");\n\n\t\tvar val = ($(ele).attr(\"data-val\") || \"\").replace(/'/g, \"\\\\'\");\n\t\t$options.find(\".select2-results__option[data-pup='\" + val + \"']\").each(function () {\n\t\t\tshowHideSub(this);\n\t\t});\n\t}\n})(jQuery);\n"]}