Thursday, September 19, 2019

Surround code fragments


IntelliJ IDEA provides standard templates for surrounding code fragments with various constructs based on the language of the source code. This includes if...else conditional statements, do...while andfor loops, combinations of try...catch...finally, XML tags, folding regions, and other constructs.

Surround a code block with language constructs

  1. Select the desired code fragment.

  2. On the Code menu, click Surround With Ctrl+Alt+T.

  3. Select the necessary surround statement from the list.

You can edit code templates that are used in the surround statements. In the Settings/Preferences dialog Ctrl+Alt+S, go to Editor | File and Code Templates.

For example, you can configure final modifier, name or even a type of the exception for the try...catch conditional statement.

Code template settings

This feature applies to the following languages (contexts):

ContextSurround withExample
Java statements
  • if
  • if/else
  • while
  • do/while
  • for
  • try/catch
  • try/finally
  • try/catch/finally
  • synchronized
  • Runnable
  • {}
wrapWithStatement.png
Java expressions
  • (expr)
  • ((Type)expr)
  • !(expr instanseof Type)
wrapExpression.png
XML/HTML/JSP/JSPX tags
  • Tag

  • CDATA section

  • <% ... %>

  • Emmet
wrapTags.png
JavaScript statements
  • (expr)
  • !(expr)
  • if
  • if / else
  • while
  • do / while
  • for
  • try / catch
  • try / finally
  • try / catch / finally
  • with
  • function
  • { }
  • function expression
Surrounding a fragment of JavaScript code with an if...else construct
PHP statements
  • if
  • if / else
  • while
  • do / while
  • for
  • foreach
  • try / catch
  • function
surround_with_php_statements.png
Custom folding region commentsAny fragment of code, where Surround With is applicable
Surround any block of code

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