CategoryTree Official Documentation

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```wiki

CategoryTree Official Documentation

CategoryTree is a powerful MediaWiki extension that allows for the creation of dynamic, navigable category trees. It visually represents the hierarchical structure of your wiki's categories, making it significantly easier for users to browse and discover content. This documentation provides a comprehensive guide for beginners, covering installation, configuration, usage, and common troubleshooting steps. Understanding how to effectively use CategoryTree is crucial for maintaining a well-organized and user-friendly wiki, especially those with a large amount of content. This is particularly useful in complex knowledge bases or resource directories.

What is a Category Tree?

At its core, a category tree is a visual representation of the relationships between categories. Instead of simply listing categories alphabetically, a CategoryTree displays them in a hierarchical, tree-like structure. This allows users to quickly understand the overall organization of the wiki and navigate to specific categories of interest. Imagine a family tree, but for your wiki's content! This is incredibly useful for sites dealing with intricate subjects like technical analysis in binary options trading, where concepts build upon each other. For example, you might have a main category "Binary Options," branching into "Strategies," "Indicators," "Risk Management," and so on. Each of these branches can further subdivide into more specific categories.

Installation

Installing CategoryTree involves several steps. It's crucial to follow these carefully to ensure proper functionality.

1. Download the Extension: Download the latest release of CategoryTree from the MediaWiki Extensions repository (https://www.mediawiki.org/wiki/Extension:CategoryTree). 2. Upload Files: Extract the downloaded archive and upload the contents of the `CategoryTree` directory to your wiki's `extensions/` directory. Typically, this is done via FTP or your hosting provider's file manager. 3. Configure `LocalSettings.php` : Edit your `LocalSettings.php` file (located in the root directory of your MediaWiki installation). Add the following line to the bottom of the file:

   ```php
   require_once '$IP/extensions/CategoryTree/CategoryTree.php';
   ```
   Replace `$IP` with the correct path to your MediaWiki installation if necessary.

4. Enable the Extension: Add the following line to your `LocalSettings.php` file to enable the extension:

   ```php
   $wgHooks['ParserAfterTidy'][] = 'CategoryTreeHooks::setup';
   ```

5. Caching: Clear your MediaWiki cache. This can usually be done by visiting `Special:Purge` or by manually deleting the contents of the `cache/` directory.

Configuration

CategoryTree offers a variety of configuration options to customize its appearance and behavior. These options are set in your `LocalSettings.php` file. Here are some of the most commonly used settings:

  • `$wgCTShowLeafCategories` : (Boolean, default: `true`) Determines whether leaf categories (categories with no subcategories) are displayed in the tree. Setting this to `false` can simplify the tree for large wikis.
  • `$wgCTMaxDepth` : (Integer, default: `3`) Sets the maximum depth of the category tree. This limits the number of levels displayed, preventing excessively large trees.
  • `$wgCTCollapseDepth` : (Integer, default: `1`) Specifies the initial collapse depth of the tree. Categories at or below this depth will be initially collapsed.
  • `$wgCTUseResponsiveCSS` : (Boolean, default: `true`) Enables responsive CSS for mobile devices.
  • `$wgCTShowNumbers` : (Boolean, default: `false`) Displays the number of pages in each category next to its name.
  • `$wgCTShowAll` : (Boolean, default: `false`) Forces the display of all categories, even those with no visible pages.
  • `$wgCTUseImages` : (Boolean, default: `true`) Uses images for the tree's expansion/collapse icons.

Example:

```php $wgCTShowLeafCategories = false; $wgCTMaxDepth = 5; $wgCTCollapseDepth = 2; $wgCTShowNumbers = true; ```

Usage

Using CategoryTree is incredibly simple. To display a category tree on a page, use the following wikitext tag:

```wiki <categorytree>CategoryName</categorytree> ```

Replace `CategoryName` with the name of the category you want to display the tree for. For example:

```wiki <categorytree>Binary Options</categorytree> ```

This will display a tree representing the category "Binary Options" and all of its subcategories. You can also specify options within the tag:

```wiki <categorytree depth="2" collapse="1">Binary Options</categorytree> ```

This example limits the tree's depth to 2 levels and initially collapses categories at depth 1.

Advanced Usage

  • Multiple Categories: You can display trees for multiple categories by separating them with semicolons:
   ```wiki
   <categorytree>Category1;Category2;Category3</categorytree>
   ```
  • Hiding Categories: Use the `hide` parameter to exclude specific categories from the tree:
   ```wiki
   <categorytree hide="CategoryToHide">Binary Options</categorytree>
   ```
  • Custom CSS: You can customize the appearance of the tree using custom CSS. The CategoryTree extension adds specific CSS classes to the tree elements, allowing you to target them with your own styles. Inspect the HTML source code of the tree to identify the relevant CSS classes.

Troubleshooting

  • Tree Not Displaying: If the tree isn't displaying, double-check the following:
   *   Ensure the extension is properly installed and enabled in `LocalSettings.php`.
   *   Verify that the category name is correct and exists.
   *   Clear your MediaWiki cache.
   *   Check your wiki's error logs for any related messages.
  • Incorrect Tree Structure: If the tree structure is incorrect, verify that your categories are properly organized with parent-child relationships. The tree accurately reflects the underlying category hierarchy.
  • CSS Styling Issues: If you're having trouble customizing the tree's appearance with CSS, inspect the HTML source code to identify the correct CSS classes. Browser developer tools can be very helpful for this.
  • Performance Issues: For very large categories, the tree can become slow to render. Consider limiting the tree's depth using the `$wgCTMaxDepth` configuration option.

CategoryTree and Binary Options Content

CategoryTree is exceptionally useful for organizing content related to binary options. Consider the following category structure:

  • Binary Options
   *   Strategies
       *   60 Second Strategies
       *   Boundary Options Strategies
       *   High/Low Strategies
       *   One Touch Strategies
   *   Indicators
       *   Moving Averages
       *   RSI (Relative Strength Index)
       *   MACD (Moving Average Convergence Divergence)
       *   Bollinger Bands
   *   Risk Management
       *   Position Sizing
       *   Stop-Loss Orders
       *   Capital Allocation
   *   Brokers
       *   Binary Options Brokers (List of regulated brokers)
   *   Trading Psychology
       *   Emotional Control
       *   Discipline
   *   Technical Analysis
       *   Candlestick Patterns
       *   Chart Patterns
   *   Trading Volume Analysis
       *   On Balance Volume (OBV)
       *   Volume Spread Analysis

Using CategoryTree, users can easily navigate this structure to find information on specific trading strategies, technical indicators, or risk management techniques.

Best Practices

  • Consistent Categorization: Maintain a consistent categorization scheme across your wiki. This ensures that content is easily discoverable and that the category tree accurately reflects the wiki's organization.
  • Descriptive Category Names: Use clear and descriptive category names. Avoid ambiguous or overly general names.
  • Avoid Deep Nesting: While CategoryTree supports deep nesting, avoid creating excessively deep category hierarchies. This can make the tree difficult to navigate. A depth of 3-5 levels is generally recommended.
  • Regular Maintenance: Regularly review and update your category structure to ensure it remains relevant and accurate.
  • Consider User Experience: Design the category tree with the user in mind. Make it easy to understand and navigate. Use the configuration options to customize the tree's appearance and behavior to suit your users' needs.

Future Enhancements

The CategoryTree extension is actively maintained and developed. Future enhancements may include:

  • Improved performance for large category structures.
  • More advanced configuration options.
  • Integration with other MediaWiki extensions.
  • Enhanced user interface features.

Related Topics

|}

Table summarizing Configuration Options

{'{'}| class="wikitable" |+ CategoryTree Configuration Options |- ! Parameter !! Default Value !! Description |- | `$wgCTShowLeafCategories` || `true` || Displays leaf categories. |- | `$wgCTMaxDepth` || `3` || Maximum tree depth. |- | `$wgCTCollapseDepth` || `1` || Initial collapse depth. |- | `$wgCTUseResponsiveCSS` || `true` || Enables responsive CSS. |- | `$wgCTShowNumbers` || `false` || Shows page counts in categories. |- | `$wgCTShowAll` || `false` || Displays all categories, even empty ones. |- | `$wgCTUseImages` || `true` || Uses images for expansion/collapse icons. |} ```

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