Velocity Coder - Coding snippets for dotCMS velocity :: Get Category

Introduction
Code Commenting
Cookies
- Create a cookie
- Delete a cookie
- Retrieve cookie value
- Create and display a cookie with multiple values using XML
Create an Array / List
Date Handling
- Add and remove days from date
- Return todays date
- Return calendar objects
- Format a date
- List of date variables
- Comparing Dates
- Convert date field to HTML date
File include (dotParse)
Foreach Loops - Range Operator
Get logged in user and role
Get Query String Parameters
- Single value
- Multiple values
Inputing data to structures
Macros
Pulling data from structures
- Standard - By Identifier
- Standard - Single
- Standard - Multiple
- Pull with all subcategories of a main category: eg: Teams:
- Published data only
- Pulling and Displaying Related Content
- Randomise the results:
- Odd / Even rows
Pulling results from an RSS feed
Querying structures
- Single value
- Multiple values
- Exclude values
- Ordering results by one filter / sort
- Ordering results by two sorting filters
- Searching one structure with values from another structure
- Other query examples
Retrieve binary file names (from Structure)
Retrieve binary image files
String Conditionals
- if True
- #elseif / #else
- if this and that
- if this OR that
String Functions
- Setting a variable string
- String - Contains
- String - Change Case
- String - Equals
- String - Escape
- String - Hide if null
- String - isSet()
- String - Mathematics
- String - Remove the last character of a string
- String - Replace
- String - Trim
Useful Methods
- Velocity Count:
- List Size() - Can be used to determine if a pullContent query brought any results:
- Find Folder
- Get Content from inode
- String: Substring and Index of:
- dotCMS Variables:
- Phone Formatter:
- Page Title & Crumbtrail:
- Get Category:
- Pull Link from a structure:
- Framed image
- Parse a container
- Sort with velocity
- if in edit mode
- Truncate
- STOP script - debugging issues
- Summary link to dynamic detail page
- Fake Crumb Title
- Thumbnail Generator:
- Get a list of files from repository
Working with JSON
- Creating a JSON file
- Displaying results from a JSON page

Get Category:

#set($inode = $request.getParameter('inode'))
#getContentDetail($inode)
#if($ContentletCategories.size() > 0)
#set($catInode = $ContentletCategories.get(0))

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