Tag Archive: theme

How to show custom menu links to special roles in Drupal

Posted Jul.07, 2010 under Programming

1. Create new menu root for example *merchant*

2. Override function hook_preprocess_page(&$vars) in templete.php and add the following code:

global $user;
if (in_array(‘Merchant’, $user->roles)) {
$vars['nav_links'] = menu_navigation_links(“menu-merchant”);
} elseif (in_array(‘…’, $user->roles)) {
…
}

3. Add the following code in your tpl file:

<?php print theme(‘links’, $nav_links) ?>

That is all.

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5 tips you should know when building a Drupal theme

Posted Apr.27, 2010 under Life & Work

1. Adding and manipulating template variables and the Drupal call order:

template_preprocess()
template_preprocess_breadcrumb()
MODULENAME_preprocess() // Defined in module
MODULENAME_preprocess_breadcrumb() // Defined in module
phptemplate_preprocess()
phptemplate_preprocess_breadcrumb()
THEMENAME_preprocess()
THEMENAME_preprocess_breadcrumb()

2. Overriding with Theme Functions and the Drupal call order:

THEMENAME_breadcrumb()
phptemplate_breadcrumb()
sites/all/themes/THEMENAME/breadcrumb.tpl.php
theme_breadcrumb()

3. Devel module and Theme development module is helpful to show you message about theme override.

4. When you theme a CCK filed by adding a file content-filed-field_xxx.tpl.php, do not forget to place an original content-field.tpl.php in the same folder.

5. Do not forget to clear cache if no changes show.

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Drupal theme variables

Posted Mar.11, 2010 under Frontend Design

How to use Drupal theme variables?

Add the following codes into themplt.php

&lt;?php
yourthemename_preprocess_page(&amp;$variables) {
$variables['happyday'] = 'Happy ' . format_date(time(), 'custom', 'l') . '!';
}
?&gt;
And display the variables in page.tpl.php:
&lt;?php
print $happyday;
?&gt;
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