this.check = function()

in optaplanner-docs/src/modules/ROOT/images/website/jstree/jstree.js [8364:8422]
59 lines of code
47 McCabe index (conditional complexity)

		this.check = function (chk, obj, par, pos, more) {
			if(parent.check.call(this, chk, obj, par, pos, more) === false) { return false; }
			obj = obj && obj.id ? obj : this.get_node(obj);
			par = par && par.id ? par : this.get_node(par);
			if(!par || !par.children) { return true; }
			var n = chk === "rename_node" ? pos : obj.text,
				c = [],
				s = this.settings.unique.case_sensitive,
				w = this.settings.unique.trim_whitespace,
				m = this._model.data, i, j, t;
			for(i = 0, j = par.children.length; i < j; i++) {
				t = m[par.children[i]].text;
				if (!s) {
					t = t.toLowerCase();
				}
				if (w) {
					t = t.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
				}
				c.push(t);
			}
			if(!s) { n = n.toLowerCase(); }
			if (w) { n = n.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, ''); }
			switch(chk) {
				case "delete_node":
					return true;
				case "rename_node":
					t = obj.text || '';
					if (!s) {
						t = t.toLowerCase();
					}
					if (w) {
						t = t.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '');
					}
					i = ($.inArray(n, c) === -1 || (obj.text && t === n));
					if(!i) {
						this._data.core.last_error = { 'error' : 'check', 'plugin' : 'unique', 'id' : 'unique_01', 'reason' : 'Child with name ' + n + ' already exists. Preventing: ' + chk, 'data' : JSON.stringify({ 'chk' : chk, 'pos' : pos, 'obj' : obj && obj.id ? obj.id : false, 'par' : par && par.id ? par.id : false }) };
					}
					return i;
				case "create_node":
					i = ($.inArray(n, c) === -1);
					if(!i) {
						this._data.core.last_error = { 'error' : 'check', 'plugin' : 'unique', 'id' : 'unique_04', 'reason' : 'Child with name ' + n + ' already exists. Preventing: ' + chk, 'data' : JSON.stringify({ 'chk' : chk, 'pos' : pos, 'obj' : obj && obj.id ? obj.id : false, 'par' : par && par.id ? par.id : false }) };
					}
					return i;
				case "copy_node":
					i = ($.inArray(n, c) === -1);
					if(!i) {
						this._data.core.last_error = { 'error' : 'check', 'plugin' : 'unique', 'id' : 'unique_02', 'reason' : 'Child with name ' + n + ' already exists. Preventing: ' + chk, 'data' : JSON.stringify({ 'chk' : chk, 'pos' : pos, 'obj' : obj && obj.id ? obj.id : false, 'par' : par && par.id ? par.id : false }) };
					}
					return i;
				case "move_node":
					i = ( (obj.parent === par.id && (!more || !more.is_multi)) || $.inArray(n, c) === -1);
					if(!i) {
						this._data.core.last_error = { 'error' : 'check', 'plugin' : 'unique', 'id' : 'unique_03', 'reason' : 'Child with name ' + n + ' already exists. Preventing: ' + chk, 'data' : JSON.stringify({ 'chk' : chk, 'pos' : pos, 'obj' : obj && obj.id ? obj.id : false, 'par' : par && par.id ? par.id : false }) };
					}
					return i;
			}
			return true;
		};