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228 | <?php
function block_example_menu() {
$items['examples/block_example'] = array(
'page callback' => 'block_example_page',
'access callback' => TRUE,
'title' => 'Block Example',
);
return $items;
}
function block_example_page() {
$page = array(
'#type' => 'markup',
'#markup' => t('The Block Example provides two sample blocks which demonstrate the various block APIs. To experiment with the blocks, enable and configure them on <a href="@url">the block admin page</a>.', array('@url' => url('admin/structure/block'))),
);
return $page;
}
function block_example_block_info() {
$blocks['example_configurable_text'] = array(
'info' => t('Example: configurable text string'),
'cache' => DRUPAL_CACHE_PER_ROLE, );
$blocks['example_empty'] = array(
'info' => t('Example: empty block'),
'status' => TRUE,
'region' => 'sidebar_first', 'visibility' => BLOCK_VISIBILITY_LISTED, 'pages' => 'node/*', );
return $blocks;
}
function block_example_block_configure($delta = '') {
$form = array();
if ($delta == 'example_configurable_text') {
$form['block_example_string'] = array(
'#type' => 'textfield',
'#title' => t('Block contents'),
'#size' => 60,
'#description' => t('This text will appear in the example block.'),
'#default_value' => variable_get('block_example_string', t('Some example content.')),
);
}
return $form;
}
function block_example_block_save($delta = '', $edit = array()) {
if ($delta == 'example_configurable_text') {
variable_set('block_example_string', $edit['block_example_string']);
}
return;
}
function block_example_block_view($delta = '') {
switch ($delta) {
case 'example_configurable_text':
$block['subject'] = t('Title of first block (example_configurable_text)');
$block['content'] = block_example_contents($delta);
break;
case 'example_empty':
$block['subject'] = t('Title of second block (example_empty)');
$block['content'] = block_example_contents($delta);
break;
}
return $block;
}
function block_example_contents($which_block) {
switch ($which_block) {
case 'example_configurable_text':
return array('#markup' => variable_get('block_example_string', t('A default value. This block was created at %time', array('%time' => date('c')))));
case 'example_empty':
return;
}
}
function block_example_block_list_alter(&$blocks) {
foreach ($blocks as $bid => $block) {
if (($block->module == 'search') && ($block->delta == 'form')) {
unset($blocks[$bid]);
$blocks[$bid] = $block;
break;
}
}
}
function block_example_block_view_alter(&$data, $block) {
if (!isset($data['content']) || !is_string($data['content'])) {
return;
}
if (strstr($data['content'], 'magic string')) {
$data['subject'] = isset($data['subject']) ? drupal_strtoupper($data['subject']) : '';
}
}
|