IntellijIDEA lets you perform different actions with strings in Scala. IntellijIDEA also supports a Scala multi-line strings feature. This feature lets you format literals and helps your code to look more orderly.
Scala offers a method called stripMargin that removes the left-hand part of a multiline string up to a specified delimiter.
Adding Different Intentions for Strings in Scala
You can add a number of intentions in your strings in Scala.
How to Insert Gap with concatenation into a String
IntellijIDEA lets you insert a gap with concatenation intention. To do that, in your Editor enter a string and press Alt + Enter. The list of appropriate intentions opens.
Select Insert gap with concatenation ("+ +") and press Enter.
Now you can insert a value into your string. You can evaluate the result in Scala Console.
How to Convert a String Concatenation into Interpolated String
For the Scala version 2.10 and later you also have the ability to convert a string concatenation into the interpolated string.
To do that, select a value with concatenation in your string and press Alt + Enter. The list of appropriate intentions opens. You can also choose an option Convert to formatted string
Select Convert to interpolated string, press Enter and view the result.
Entering Multi-line strings
To envoke stripMargin method, in the editor, enter triple quots. Now you are able to enter multi-line strings.
The white spaces are also preserved. Please see the following example:
Selecting Intentions for Scala Multi-line Strings
You can choose different intention options for Scala multi-line strings. Place your cursor on the string and press Alt + Enter.
For example, if you select Convert to "String" option, you will see the following result:
The multi-line string is converted to the one-line string.
For examle, you can choose option Insert gap with concatenation. For the Scala version 2.10 and later you also have the ability to convert a string concatenation into the interpolated string.
Now you can convert the concatenation into the interpolated string.
The result is as follows:
Editing Multi-line Strings Settings
You can set a different format for multi-line strings options such as Margin char indent or Margin Char. You can also disable a multi-line strings support.