Function manageTreeEvents

web/pgadmin/static/js/tree/tree.js:16–75

(event, eventName, item)

import { TreeNode } from './tree_nodes';

function manageTreeEvents(event, eventName, item) {
  let d = item ? item._metadata.data : [];
  let node_metadata = item ? item._metadata : {};
  let node;
  let obj = pgAdmin.Browser;

  // Events for preferences tree.
  if (node_metadata.parent?.includes('/preferences') && obj.ptree.tree.type == 'preferences') {
    try {
      obj.Events.trigger(
        'preferences:tree:' + eventName, event, item, d
      );
    } catch (e) {
      console.warn(e.stack || e);
      return false;
    }
  } else if(eventName == 'hovered') {
    /* Raise tree events for the nodes */
    try {
      obj.Events.trigger(
        'pgadmin-browser:tree:' + eventName, item, d, node
      );
    } catch (e) {
      console.warn(e.stack || e);
      return false;
    }
  } else if (d && obj.Nodes[d._type]) {
    // Events for browser tree.
    node = obj.Nodes[d._type];

    // If the Browser tree is not initialised yet
    if (obj.tree === null) return;

    if (eventName == 'dragstart') {
      obj.tree.handleDraggable(event, item);
    }
    if (eventName == 'added' || eventName == 'beforeopen' || eventName == 'loaded') {
      obj.tree.addNewNode(item.getMetadata('data').id, item.getMetadata('data'), item, item.parent.path);
    }
    if(eventName == 'copied') {
      obj.tree.copyHandler?.(item.getMetadata('data'), item);
    }
    if (_.isObject(node.callbacks) &&
      eventName in node.callbacks &&
      typeof node.callbacks[eventName] == 'function') {
      node.callbacks[eventName].apply(node, [item, d, obj, [], eventName]);
    }

    /* Raise tree events for the nodes */
    try {
      obj.Events.trigger(
        'pgadmin-browser:tree:' + eventName, item, d, node
      );
    } catch (e) {
      console.warn(e.stack || e);
      return false;
    }
  }