JqTreeWidget.prototype._selectNode = function()

in js/tree.jquery.js [2551:2611]
61 lines of code
13 McCabe index (conditional complexity)

  JqTreeWidget.prototype._selectNode = function(node, must_toggle) {
    var canSelect, deselected_node, openParents, saveState;
    if (must_toggle == null) {
      must_toggle = false;
    }
    if (!this.select_node_handler) {
      return;
    }
    canSelect = (function(_this) {
      return function() {
        if (_this.options.onCanSelectNode) {
          return _this.options.selectable && _this.options.onCanSelectNode(node);
        } else {
          return _this.options.selectable;
        }
      };
    })(this);
    openParents = (function(_this) {
      return function() {
        var parent;
        parent = node.parent;
        if (parent && parent.parent && !parent.is_open) {
          return _this.openNode(parent, false);
        }
      };
    })(this);
    saveState = (function(_this) {
      return function() {
        if (_this.options.saveState) {
          return _this.save_state_handler.saveState();
        }
      };
    })(this);
    if (!node) {
      this._deselectCurrentNode();
      saveState();
      return;
    }
    if (!canSelect()) {
      return;
    }
    if (this.select_node_handler.isNodeSelected(node)) {
      if (must_toggle) {
        this._deselectCurrentNode();
        this._triggerEvent('tree.select', {
          node: null,
          previous_node: node
        });
      }
    } else {
      deselected_node = this.getSelectedNode();
      this._deselectCurrentNode();
      this.addToSelection(node);
      this._triggerEvent('tree.select', {
        node: node,
        deselected_node: deselected_node
      });
      openParents();
    }
    return saveState();
  };