pgadmin4/web/pgadmin/static/js/tree/pgadmin_tree_node.js

76 lines
2.5 KiB
JavaScript

//////////////////////////////////////////////////////////////////////////
//
// pgAdmin 4 - PostgreSQL Tools
//
// Copyright (C) 2013 - 2020, The pgAdmin Development Team
// This software is released under the PostgreSQL Licence
//
//////////////////////////////////////////////////////////////////////////
/**
* This method received pgBrowser and new TreeNode object
*
* This method retrieves all the data that exists in the tree node and in
* `pgBrowser.Nodes` for all the parent node of the provided node.
*
* The 2 condition to get the information from pgBrowser.Nodes are:
* 1 - the variable _type of the tree node
* 2 - the presence of hasId in the pgBrowser.Nodes for the specific node
*
* Number 2 is used to ignore coll-* nodes as they do not add any useful
* information
*/
export function getTreeNodeHierarchyFromElement(pgBrowser, treeNode) {
return getTreeNodeHierarchy.call(pgBrowser, treeNode);
}
/**
* This method received an ACI Tree JQuery node
*
* NOTE: this function need to be called on pgBrowser instance.
* getTreeNodeHierarchyFromIdentifier.apply(pgBrowser, [aciTreeNodeIdentifier])
*
* This method retrieves all the data that exists in the tree node and in
* `pgBrowser.Nodes` for all the parent node of the provided node.
*
* The 2 condition to get the information from pgBrowser.Nodes are:
* 1 - the variable _type of the tree node
* 2 - the presence of hasId in the pgBrowser.Nodes for the specific node
*
* Number 2 is used to ignore coll-* nodes as they do not add any useful
* information
*/
export function getTreeNodeHierarchyFromIdentifier(aciTreeNodeIdentifier) {
let identifier = this.treeMenu.translateTreeNodeIdFromACITree(aciTreeNodeIdentifier);
let currentNode = this.treeMenu.findNode(identifier);
if (currentNode === null) return null;
return getTreeNodeHierarchy.call(this, currentNode);
}
export function getTreeNodeHierarchy(currentNode) {
let idx = 0;
let node_cnt = 0;
let result = {};
do {
const currentNodeData = currentNode.getData();
if (currentNodeData._type in this.Nodes && this.Nodes[currentNodeData._type].hasId) {
const nodeType = mapType(currentNodeData._type, node_cnt);
if (result[nodeType] === undefined) {
result[nodeType] = _.extend({}, currentNodeData, {
'priority': idx,
});
idx -= 1;
}
}
node_cnt += 1;
currentNode = currentNode.hasParent() ? currentNode.parent() : null;
} while (currentNode);
return result;
}
function mapType(type, idx) {
return (type === 'partition' && idx > 0) ? 'table' : type;
}