Theme Options
COLORS SKINS PAGE COLOR BACKGROUND BODY

Error message

  • Deprecated function: Array and string offset access syntax with curly braces is deprecated in include_once() (line 20 of /home/royalcreations/public_html/shivamroy.com/includes/file.phar.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6609 of /home/royalcreations/public_html/shivamroy.com/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6609 of /home/royalcreations/public_html/shivamroy.com/includes/common.inc).
  • Notice: Trying to access array offset on value of type int in element_children() (line 6609 of /home/royalcreations/public_html/shivamroy.com/includes/common.inc).
  • Deprecated function: implode(): Passing glue string after array is deprecated. Swap the parameters in drupal_get_feeds() (line 394 of /home/royalcreations/public_html/shivamroy.com/includes/common.inc).

Creating a Sub Theme in Drupal 7

Creating a sub-theme is really very simple. A sub-theme inherits a lot of the design resources from its parent theme. We can have multiple sub-themes inheriting only one base theme.

It is important to know that what a sub-theme inherits from its parent theme.

A sub theme will inherit:

  • All style sheets
  • Template files
  • Functions and overrides defined in the template.php

A sub-theme will not inherit:

  • Logos and Favicons
  • Block regions
  • Advanced theme settings

Creating a sub theme

  1. Theme Directory: Create a directory in your custom theme directory in the same way you create a theme. Give it a name. For example: mysubtheme.
  2. .info file: Create an .info file in the directory mysubtheme as similar to the parent theme. The only difference will be the following line:
    base theme = theme_name<
  3. Logo: Add the logo in the sub-theme directory.
  4. Screenshot: Theme screenshot is inherited from the base’s theme. To override the same, just create a new screenshot.png in the sub theme directory.
  5. Style Sheets:  You must declare at least one stylesheet in your sub-theme for any of the parent theme's stylesheets to be inherited. To override any particular css file (for instance,  style.css), add the following line in your .info file and add a new css file with the same name in your sub-theme’s directory.
    stylesheets[all][] = style.css
  6. Javascripts: All the js files defined in the parent theme will be inherited. To override any particular js file, add the following line in your .info file and add a new js file (for instance, script.js), with the same name in your sub-theme’s directory.
    scripts[] = script.js
  7. Regions:  You can declare a new set of regions in the sub-theme. To inherit the custom regions of the parent theme, the regions should be copied in the sub-theme’s .info file.
  8. Template Files: You can add any template files in your sub theme. If the template file is found in your sub-theme’s directory, then Drupal will override the parent’s template files. Otherwise, it will use the parent’s template files.
  9. Images: The images used in the theme can also be copied in the sub theme directory. If the image is found in your sub-theme’s directory then Drupal will override the parent theme’s image with the same name. Otherwise, it will use the parent’s image.

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