When creating a new Drupal module, I'd been trying to add a couple
of links to a sidebar when viewing a user's details. I could of done
this using a block but that would rely upon the block being setup to
only appear on the user's page, and would also include all the markup
that comes with a block. This is how I got around all that.
First thing I did was include the code that will add any code set
to appear in the sidebars actually into the sidebar. This is done by
the _phptemplate_variables
function in template.php in your skin's directory. I already had a
_phptemplate_variables function so I just added a new case for page's
in my existing function so it looked something like this:
function _phptemplate_variables($hook, $vars = array()) {
switch ($hook) {
case 'node':
// removed for clarity
break;
case 'page':
foreach (array('left','right') as $region) {
$vars[$region] = drupal_get_content($region);
}
break;
}
return $vars;
}
All this does is make sure the code that the code is only run for
pages and then get any content set for the region and add it to the
relevant template variables, it then returns the variables. This is the
code that does the business:
foreach (array('left','right') as $region) {
$vars[$region] = drupal_get_content($region);
}
If you wanted to include more regions that just the left and right
you could add those into the array. Now in your module you can use the drupal_set_content function to put content into either the left or right region like this:
$output = l('some link text','node/1234');
drupal_set_content('left', $output);
This link should now appear in the left sidebar whenever the
function this is in is called. I included something similar in my
hook_user for my module to include a link that will only appear on my
user pages.
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