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Informations about the package yii2-tree-manager

yii2-tree-manager

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An enhanced tree management module from Krajee with tree node selection and manipulation using nested sets. The extension features are listed below:

The following important PHP classes are available with this module:

  1. kartik\tree\Module: Module, allows you to configure the module. You must setup a module named treemanager. Refer documentation for details.
  2. kartik\tree\TreeView: Widget, allows you to manage the tree in admin mode or normal user mode with actions and toolbar to add, edit, reorder, or delete tree nodes.
  3. kartik\tree\TreeViewInput: Widget, allows you to use the treeview as a dropdown input either as a single select or multiple selection.
  4. kartik\tree\models\Tree: Model, the entire tree data structure that uses the Nested set behavior from yii2-nested-sets to manage the tree nodes.
  5. kartik\tree\models\TreeQuery: Query, the query class as required for the Nested set model.
  6. kartik\tree\controllers\NodeController: Controller, the controller actions that manages the editing of each node for create, update, delete, or reorder (move).

Demo

You can see detailed documentation and TreeView demonstration or TreeViewInput demonstration on usage of the extension.

Installation

The preferred way to install this extension is through composer.

NOTE: Check the composer.json for this extension's requirements and dependencies. Read this web tip /wiki on setting the minimum-stability settings for your application's composer.json.

Either run

or add

to the section of your composer.json file.

Usage

Step 1: Prepare Database

Create your database table to store the tree structure. You can do it in one of the following ways:

Option 1: Run DB Migrations

You can run the migrations script provided to create the database structure from your yii programming console:

Option 2: Executing SQL script

Alternatively, you can execute the SQL script to generate your DB structure. Copy and modify the migrations/tree.sql file (a MySQL example), to create the table tbl_tree (or for any table name you need).

NOTE: You can add columns you need to this table, but you cannot skip/drop any of the columns mentioned in the script. You can choose to rename the id, root, lft, rgt, lvl, name, icon, icon_type columns if you choose to - but these must be accordingly setup in the module.

Step 2: Setup Model

Create your model for storing the tree structure extending kartik\tree\models\Tree class. You can alternatively build your own model extending from yii\db\ActiveRecord but modify it to use the kartik\tree\models\TreeTrait. You must provide the table name in the model. Optionally you can add rules, or edit the various methods like isVisible, isDisabled etc. to identify allowed flags for nodes.

So when extending from the \kartik\tree\models\Tree, you can set it like below:

Alternatively, you can configure your model to not extend from kartik\tree\models\Tree and instead implement and use the kartik\tree\models\TreeTrait:

Step 3: Setup Module

Configure the module named treemanager in the modules section of your Yii configuration file.

Step 4: Using TreeView Widget

In your view files, you can now use the tree view directly to manage tree data as shown below:

Step 5: Using TreeViewInput Widget

If you wish to use the tree input to select tree items, you can use the TreeViewInput widget as shown below. Normally you would use this as a dropdown with the asDropdown property set to true. If asDropdown is set to false, the treeview input widget will be rendered inline for selection.

License

yii2-tree-manager is released under the BSD 3-Clause License. See the bundled LICENSE.md for details.


All versions of yii2-tree-manager with dependencies

PHP Build Version
Package Version
Requires kartik-v/yii2-widget-activeform Version ~1.4
creocoder/yii2-nested-sets Version ~0.9
kartik-v/yii2-dialog Version ~1.0
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