691 lines
24 KiB
PHP
691 lines
24 KiB
PHP
<?php
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// $Id$
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/**
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* @file
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* Admin page callbacks for the block module.
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*/
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/**
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* Menu callback for admin/structure/block/demo.
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*/
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function block_admin_demo($theme = NULL) {
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drupal_add_css(drupal_get_path('module', 'block') . '/block.css');
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return '';
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}
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/**
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* Menu callback for admin/structure/block.
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*
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* @param $theme
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* The theme to display the administration page for. If not provided, defaults
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* to the currently used theme.
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*/
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function block_admin_display($theme = NULL) {
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global $theme_key;
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drupal_theme_initialize();
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if (!isset($theme)) {
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// If theme is not specifically set, rehash for the current theme.
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$theme = $theme_key;
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}
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// Fetch and sort blocks.
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$blocks = block_admin_display_prepare_blocks($theme);
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return drupal_get_form('block_admin_display_form', $blocks, $theme);
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}
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/**
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* Prepares a list of blocks for display on the blocks administration page.
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*
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* @param $theme
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* The machine-readable name of the theme whose blocks should be returned.
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*
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* @return
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* An array of blocks, as returned by _block_rehash(), sorted by region in
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* preparation for display on the blocks administration page.
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*
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* @see block_admin_display_form()
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*/
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function block_admin_display_prepare_blocks($theme) {
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$blocks = _block_rehash($theme);
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$compare_theme = &drupal_static('_block_compare:theme');
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$compare_theme = $theme;
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usort($blocks, '_block_compare');
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return $blocks;
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}
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/**
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* Form builder for the main blocks administration form.
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*
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* @param $blocks
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* An array of blocks, as returned by block_admin_display_prepare_blocks().
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* @param $theme
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* A string representing the name of the theme to edit blocks for.
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* @param $block_regions
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* (optional) An array of regions in which the blocks will be allowed to be
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* placed. Defaults to all visible regions for the theme whose blocks are
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* being configured. In all cases, a dummy region for disabled blocks will
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* also be displayed.
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*
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* @return
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* An array representing the form definition.
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*
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* @ingroup forms
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* @see block_admin_display_form_submit()
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*/
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function block_admin_display_form($form, &$form_state, $blocks, $theme, $block_regions = NULL) {
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drupal_add_css(drupal_get_path('module', 'block') . '/block.css');
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// Get a list of block regions if one was not provided.
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if (!isset($block_regions)) {
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$block_regions = system_region_list($theme, REGIONS_VISIBLE);
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}
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// Weights range from -delta to +delta, so delta should be at least half
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// of the amount of blocks present. This makes sure all blocks in the same
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// region get an unique weight.
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$weight_delta = round(count($blocks) / 2);
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// Build the form tree.
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$form['edited_theme'] = array(
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'#type' => 'value',
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'#value' => $theme,
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);
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$form['block_regions'] = array(
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'#type' => 'value',
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// Add a last region for disabled blocks.
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'#value' => $block_regions + array(BLOCK_REGION_NONE => BLOCK_REGION_NONE),
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);
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$form['blocks'] = array();
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$form['#tree'] = TRUE;
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foreach ($blocks as $i => $block) {
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$key = $block['module'] . '_' . $block['delta'];
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$form['blocks'][$key]['module'] = array(
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'#type' => 'value',
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'#value' => $block['module'],
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);
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$form['blocks'][$key]['delta'] = array(
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'#type' => 'value',
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'#value' => $block['delta'],
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);
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$form['blocks'][$key]['info'] = array(
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'#markup' => check_plain($block['info']),
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);
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$form['blocks'][$key]['theme'] = array(
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'#type' => 'hidden',
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'#value' => $theme,
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);
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$form['blocks'][$key]['weight'] = array(
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'#type' => 'weight',
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'#default_value' => $block['weight'],
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'#delta' => $weight_delta,
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'#title_display' => 'invisible',
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'#title' => t('Weight for @block block', array('@block' => $block['info'])),
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);
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$form['blocks'][$key]['region'] = array(
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'#type' => 'select',
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'#default_value' => $block['region'] != BLOCK_REGION_NONE ? $block['region'] : NULL,
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'#empty_value' => BLOCK_REGION_NONE,
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'#title_display' => 'invisible',
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'#title' => t('Region for @block block', array('@block' => $block['info'])),
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'#options' => $block_regions,
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);
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$form['blocks'][$key]['configure'] = array(
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'#type' => 'link',
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'#title' => t('configure'),
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'#href' => 'admin/structure/block/manage/' . $block['module'] . '/' . $block['delta'] . '/configure',
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);
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if ($block['module'] == 'block') {
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$form['blocks'][$key]['delete'] = array(
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'#type' => 'link',
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'#title' => t('delete'),
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'#href' => 'admin/structure/block/manage/' . $block['module'] . '/' . $block['delta'] . '/delete',
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);
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}
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}
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// Do not allow disabling the main system content block when it is present.
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if (isset($form['blocks']['system_main']['region'])) {
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$form['blocks']['system_main']['region']['#required'] = TRUE;
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}
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$form['actions'] = array(
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'#tree' => FALSE,
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'#type' => 'actions',
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);
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$form['actions']['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Save blocks'),
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);
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return $form;
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}
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/**
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* Form submission handler for the main blocks administration form.
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*
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* @see block_admin_display_form()
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*/
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function block_admin_display_form_submit($form, &$form_state) {
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$txn = db_transaction();
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foreach ($form_state['values']['blocks'] as $block) {
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$block['status'] = (int) ($block['region'] != BLOCK_REGION_NONE);
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$block['region'] = $block['status'] ? $block['region'] : '';
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db_update('block')
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->fields(array(
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'status' => $block['status'],
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'weight' => $block['weight'],
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'region' => $block['region'],
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))
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->condition('module', $block['module'])
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->condition('delta', $block['delta'])
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->condition('theme', $block['theme'])
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->execute();
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}
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drupal_set_message(t('The block settings have been updated.'));
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cache_clear_all();
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}
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/**
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* Helper function for sorting blocks on admin/structure/block.
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*
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* Active blocks are sorted by region, then by weight.
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* Disabled blocks are sorted by name.
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*/
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function _block_compare($a, $b) {
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global $theme_key;
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// Theme should be set before calling this function, or the current theme
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// is being used.
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$theme = &drupal_static(__FUNCTION__ . ':theme');
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if (!isset($theme)) {
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$theme = $theme_key;
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}
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$regions = &drupal_static(__FUNCTION__ . ':regions');
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// We need the region list to correctly order by region.
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if (!isset($regions)) {
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$regions = array_flip(array_keys(system_region_list($theme)));
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$regions[BLOCK_REGION_NONE] = count($regions);
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}
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// Separate enabled from disabled.
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$status = $b['status'] - $a['status'];
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if ($status) {
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return $status;
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}
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// Sort by region (in the order defined by theme .info file).
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if ((!empty($a['region']) && !empty($b['region'])) && ($place = ($regions[$a['region']] - $regions[$b['region']]))) {
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return $place;
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}
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// Sort by weight, unless disabled.
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if ($a['region'] != BLOCK_REGION_NONE) {
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$weight = $a['weight'] - $b['weight'];
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if ($weight) {
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return $weight;
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}
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}
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// Sort by title.
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return strcmp($a['info'], $b['info']);
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}
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/**
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* Form builder for the block configuration form.
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*
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* Also used by block_add_block_form() for adding a new custom block.
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*
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* @param $module
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* Name of the module that implements the block to be configured.
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* @param $delta
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* Unique ID of the block within the context of $module.
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*
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* @see block_admin_configure_validate()
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* @see block_admin_configure_submit()
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* @ingroup forms
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*/
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function block_admin_configure($form, &$form_state, $module, $delta) {
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$block = block_load($module, $delta);
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$form['module'] = array(
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'#type' => 'value',
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'#value' => $block->module,
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);
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$form['delta'] = array(
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'#type' => 'value',
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'#value' => $block->delta,
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);
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// Get the block subject for the page title.
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$info = module_invoke($block->module, 'block_info');
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if (isset($info[$block->delta])) {
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drupal_set_title(t("'%name' block", array('%name' => $info[$block->delta]['info'])), PASS_THROUGH);
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}
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$form['settings']['title'] = array(
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'#type' => 'textfield',
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'#title' => t('Block title'),
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'#maxlength' => 64,
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'#description' => $block->module == 'block' ? t('The title of the block as shown to the user.') : t('Override the default title for the block. Use <em>!placeholder</em> to display no title, or leave blank to use the default block title.', array('!placeholder' => '<none>')),
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'#default_value' => isset($block->title) ? $block->title : '',
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'#weight' => -18,
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);
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// Module-specific block configuration.
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if ($settings = module_invoke($block->module, 'block_configure', $block->delta)) {
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foreach ($settings as $k => $v) {
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$form['settings'][$k] = $v;
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}
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}
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// Region settings.
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$form['regions'] = array(
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'#type' => 'fieldset',
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'#title' => t('Region settings'),
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'#collapsible' => FALSE,
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'#description' => t('Specify in which themes and regions this block is displayed.'),
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'#tree' => TRUE,
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);
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$theme_default = variable_get('theme_default', 'bartik');
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$admin_theme = variable_get('admin_theme');
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foreach (list_themes() as $key => $theme) {
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// Only display enabled themes
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if ($theme->status) {
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$region = db_query("SELECT region FROM {block} WHERE module = :module AND delta = :delta AND theme = :theme", array(
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':module' => $block->module,
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':delta' => $block->delta,
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':theme' => $key,
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))->fetchField();
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// Use a meaningful title for the main site theme and administrative
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// theme.
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$theme_title = $theme->info['name'];
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if ($key == $theme_default) {
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$theme_title = t('!theme (default theme)', array('!theme' => $theme_title));
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}
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elseif ($admin_theme && $key == $admin_theme) {
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$theme_title = t('!theme (administration theme)', array('!theme' => $theme_title));
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}
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$form['regions'][$key] = array(
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'#type' => 'select',
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'#title' => $theme_title,
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'#default_value' => !empty($region) && $region != -1 ? $region : NULL,
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'#empty_value' => BLOCK_REGION_NONE,
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'#options' => system_region_list($key, REGIONS_VISIBLE),
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'#weight' => ($key == $theme_default ? 9 : 10),
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);
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}
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}
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// Visibility settings.
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$form['visibility_title'] = array(
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'#type' => 'item',
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'#title' => t('Visibility settings'),
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);
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$form['visibility'] = array(
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'#type' => 'vertical_tabs',
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'#attached' => array(
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'js' => array(drupal_get_path('module', 'block') . '/block.js'),
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),
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);
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// Per-path visibility.
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$form['visibility']['path'] = array(
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'#type' => 'fieldset',
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'#title' => t('Pages'),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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'#group' => 'visibility',
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'#weight' => 0,
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);
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$access = user_access('use PHP for settings');
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if (isset($block->visibility) && $block->visibility == BLOCK_VISIBILITY_PHP && !$access) {
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$form['visibility']['path']['visibility'] = array(
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'#type' => 'value',
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'#value' => BLOCK_VISIBILITY_PHP,
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);
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$form['visibility']['path']['pages'] = array(
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'#type' => 'value',
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'#value' => isset($block->pages) ? $block->pages : '',
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);
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}
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else {
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$options = array(
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BLOCK_VISIBILITY_NOTLISTED => t('All pages except those listed'),
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BLOCK_VISIBILITY_LISTED => t('Only the listed pages'),
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);
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$description = t("Specify pages by using their paths. Enter one path per line. The '*' character is a wildcard. Example paths are %blog for the blog page and %blog-wildcard for every personal blog. %front is the front page.", array('%blog' => 'blog', '%blog-wildcard' => 'blog/*', '%front' => '<front>'));
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if (module_exists('php') && $access) {
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$options += array(BLOCK_VISIBILITY_PHP => t('Pages on which this PHP code returns <code>TRUE</code> (experts only)'));
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$title = t('Pages or PHP code');
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$description .= ' ' . t('If the PHP option is chosen, enter PHP code between %php. Note that executing incorrect PHP code can break your Drupal site.', array('%php' => '<?php ?>'));
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}
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else {
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$title = t('Pages');
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}
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$form['visibility']['path']['visibility'] = array(
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'#type' => 'radios',
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'#title' => t('Show block on specific pages'),
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'#options' => $options,
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'#default_value' => isset($block->visibility) ? $block->visibility : BLOCK_VISIBILITY_NOTLISTED,
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);
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$form['visibility']['path']['pages'] = array(
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'#type' => 'textarea',
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'#title' => '<span class="element-invisible">' . $title . '</span>',
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'#default_value' => isset($block->pages) ? $block->pages : '',
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'#description' => $description,
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);
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}
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// Per-role visibility.
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$default_role_options = db_query("SELECT rid FROM {block_role} WHERE module = :module AND delta = :delta", array(
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':module' => $block->module,
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':delta' => $block->delta,
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))->fetchCol();
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$role_options = array_map('check_plain', user_roles());
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$form['visibility']['role'] = array(
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'#type' => 'fieldset',
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'#title' => t('Roles'),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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'#group' => 'visibility',
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'#weight' => 10,
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);
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$form['visibility']['role']['roles'] = array(
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'#type' => 'checkboxes',
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'#title' => t('Show block for specific roles'),
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'#default_value' => $default_role_options,
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'#options' => $role_options,
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'#description' => t('Show this block only for the selected role(s). If you select no roles, the block will be visible to all users.'),
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);
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// Per-user visibility.
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$form['visibility']['user'] = array(
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'#type' => 'fieldset',
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'#title' => t('Users'),
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'#collapsible' => TRUE,
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'#collapsed' => TRUE,
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'#group' => 'visibility',
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'#weight' => 20,
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);
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$form['visibility']['user']['custom'] = array(
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'#type' => 'radios',
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'#title' => t('Customizable per user'),
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'#options' => array(
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BLOCK_CUSTOM_FIXED => t('Not customizable'),
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BLOCK_CUSTOM_ENABLED => t('Customizable, visible by default'),
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BLOCK_CUSTOM_DISABLED => t('Customizable, hidden by default'),
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),
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'#description' => t('Allow individual users to customize the visibility of this block in their account settings.'),
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'#default_value' => isset($block->custom) ? $block->custom : BLOCK_CUSTOM_FIXED,
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);
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$form['actions'] = array('#type' => 'actions');
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$form['actions']['submit'] = array(
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'#type' => 'submit',
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'#value' => t('Save block'),
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);
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return $form;
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}
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/**
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* Form validation handler for the block configuration form.
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*
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* @see block_admin_configure()
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* @see block_admin_configure_submit()
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*/
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function block_admin_configure_validate($form, &$form_state) {
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if ($form_state['values']['module'] == 'block') {
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$custom_block_exists = (bool) db_query_range('SELECT 1 FROM {block_custom} WHERE bid <> :bid AND info = :info', 0, 1, array(
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':bid' => $form_state['values']['delta'],
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':info' => $form_state['values']['info'],
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))->fetchField();
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if (empty($form_state['values']['info']) || $custom_block_exists) {
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form_set_error('info', t('Ensure that each block description is unique.'));
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}
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}
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}
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/**
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* Form submission handler for the block configuration form.
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*
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* @see block_admin_configure()
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* @see block_admin_configure_validate()
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*/
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function block_admin_configure_submit($form, &$form_state) {
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if (!form_get_errors()) {
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$txn = db_transaction();
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db_update('block')
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->fields(array(
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'visibility' => (int) $form_state['values']['visibility'],
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'pages' => trim($form_state['values']['pages']),
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'custom' => (int) $form_state['values']['custom'],
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'title' => $form_state['values']['title'],
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))
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->condition('module', $form_state['values']['module'])
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->condition('delta', $form_state['values']['delta'])
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->execute();
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db_delete('block_role')
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->condition('module', $form_state['values']['module'])
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->condition('delta', $form_state['values']['delta'])
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->execute();
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$query = db_insert('block_role')->fields(array('rid', 'module', 'delta'));
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foreach (array_filter($form_state['values']['roles']) as $rid) {
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$query->values(array(
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'rid' => $rid,
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'module' => $form_state['values']['module'],
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||
'delta' => $form_state['values']['delta'],
|
||
));
|
||
}
|
||
$query->execute();
|
||
|
||
// Store regions per theme for this block
|
||
foreach ($form_state['values']['regions'] as $theme => $region) {
|
||
db_merge('block')
|
||
->key(array('theme' => $theme, 'delta' => $form_state['values']['delta'], 'module' => $form_state['values']['module']))
|
||
->fields(array(
|
||
'region' => ($region == BLOCK_REGION_NONE ? '' : $region),
|
||
'pages' => trim($form_state['values']['pages']),
|
||
'status' => (int) ($region != BLOCK_REGION_NONE),
|
||
))
|
||
->execute();
|
||
}
|
||
|
||
module_invoke($form_state['values']['module'], 'block_save', $form_state['values']['delta'], $form_state['values']);
|
||
drupal_set_message(t('The block configuration has been saved.'));
|
||
cache_clear_all();
|
||
$form_state['redirect'] = 'admin/structure/block';
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Form builder for the add block form.
|
||
*
|
||
* @see block_add_block_form_validate()
|
||
* @see block_add_block_form_submit()
|
||
* @ingroup forms
|
||
*/
|
||
function block_add_block_form($form, &$form_state) {
|
||
return block_admin_configure($form, $form_state, 'block', NULL);
|
||
}
|
||
|
||
/**
|
||
* Form validation handler for the add block form.
|
||
*
|
||
* @see block_add_block_form()
|
||
* @see block_add_block_form_submit()
|
||
*/
|
||
function block_add_block_form_validate($form, &$form_state) {
|
||
$custom_block_exists = (bool) db_query_range('SELECT 1 FROM {block_custom} WHERE info = :info', 0, 1, array(':info' => $form_state['values']['info']))->fetchField();
|
||
|
||
if (empty($form_state['values']['info']) || $custom_block_exists) {
|
||
form_set_error('info', t('Ensure that each block description is unique.'));
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Form submission handler for the add block form.
|
||
*
|
||
* Saves the new custom block.
|
||
*
|
||
* @see block_add_block_form()
|
||
* @see block_add_block_form_validate()
|
||
*/
|
||
function block_add_block_form_submit($form, &$form_state) {
|
||
$delta = db_insert('block_custom')
|
||
->fields(array(
|
||
'body' => $form_state['values']['body']['value'],
|
||
'info' => $form_state['values']['info'],
|
||
'format' => $form_state['values']['body']['format'],
|
||
))
|
||
->execute();
|
||
// Store block delta to allow other modules to work with new block.
|
||
$form_state['values']['delta'] = $delta;
|
||
|
||
$query = db_insert('block')->fields(array('visibility', 'pages', 'custom', 'title', 'module', 'theme', 'status', 'weight', 'delta', 'cache'));
|
||
foreach (list_themes() as $key => $theme) {
|
||
if ($theme->status) {
|
||
$query->values(array(
|
||
'visibility' => (int) $form_state['values']['visibility'],
|
||
'pages' => trim($form_state['values']['pages']),
|
||
'custom' => (int) $form_state['values']['custom'],
|
||
'title' => $form_state['values']['title'],
|
||
'module' => $form_state['values']['module'],
|
||
'theme' => $theme->name,
|
||
'status' => 0,
|
||
'weight' => 0,
|
||
'delta' => $delta,
|
||
'cache' => DRUPAL_NO_CACHE,
|
||
));
|
||
}
|
||
}
|
||
$query->execute();
|
||
|
||
$query = db_insert('block_role')->fields(array('rid', 'module', 'delta'));
|
||
foreach (array_filter($form_state['values']['roles']) as $rid) {
|
||
$query->values(array(
|
||
'rid' => $rid,
|
||
'module' => $form_state['values']['module'],
|
||
'delta' => $delta,
|
||
));
|
||
}
|
||
$query->execute();
|
||
|
||
// Store regions per theme for this block
|
||
foreach ($form_state['values']['regions'] as $theme => $region) {
|
||
db_merge('block')
|
||
->key(array('theme' => $theme, 'delta' => $delta, 'module' => $form_state['values']['module']))
|
||
->fields(array(
|
||
'region' => ($region == BLOCK_REGION_NONE ? '' : $region),
|
||
'pages' => trim($form_state['values']['pages']),
|
||
'status' => (int) ($region != BLOCK_REGION_NONE),
|
||
))
|
||
->execute();
|
||
}
|
||
|
||
drupal_set_message(t('The block has been created.'));
|
||
cache_clear_all();
|
||
$form_state['redirect'] = 'admin/structure/block';
|
||
}
|
||
|
||
/**
|
||
* Form builder for the custom block deletion form.
|
||
*
|
||
* @param $module
|
||
* The name of the module that implements the block to be deleted. This should
|
||
* always equal 'block' since it only allows custom blocks to be deleted.
|
||
* @param $delta
|
||
* The unique ID of the block within the context of $module.
|
||
*
|
||
* @see block_custom_block_delete_submit()
|
||
*/
|
||
function block_custom_block_delete($form, &$form_state, $module, $delta) {
|
||
$block = block_load($module, $delta);
|
||
$custom_block = block_custom_block_get($block->delta);
|
||
$form['info'] = array('#type' => 'hidden', '#value' => $custom_block['info'] ? $custom_block['info'] : $custom_block['title']);
|
||
$form['bid'] = array('#type' => 'hidden', '#value' => $block->delta);
|
||
|
||
return confirm_form($form, t('Are you sure you want to delete the block %name?', array('%name' => $custom_block['info'])), 'admin/structure/block', '', t('Delete'), t('Cancel'));
|
||
}
|
||
|
||
/**
|
||
* Form submission handler for the custom block deletion form.
|
||
*
|
||
* @see block_custom_block_delete()
|
||
*/
|
||
function block_custom_block_delete_submit($form, &$form_state) {
|
||
db_delete('block_custom')
|
||
->condition('bid', $form_state['values']['bid'])
|
||
->execute();
|
||
db_delete('block')
|
||
->condition('module', 'block')
|
||
->condition('delta', $form_state['values']['bid'])
|
||
->execute();
|
||
db_delete('block_role')
|
||
->condition('module', 'block')
|
||
->condition('delta', $form_state['values']['bid'])
|
||
->execute();
|
||
drupal_set_message(t('The block %name has been removed.', array('%name' => $form_state['values']['info'])));
|
||
cache_clear_all();
|
||
$form_state['redirect'] = 'admin/structure/block';
|
||
return;
|
||
}
|
||
|
||
/**
|
||
* Processes variables for block-admin-display-form.tpl.php.
|
||
*
|
||
* The $variables array contains the following arguments:
|
||
* - $form
|
||
*
|
||
* @see block-admin-display.tpl.php
|
||
* @see theme_block_admin_display()
|
||
*/
|
||
function template_preprocess_block_admin_display_form(&$variables) {
|
||
$variables['block_regions'] = $variables['form']['block_regions']['#value'];
|
||
if (isset($variables['block_regions'][BLOCK_REGION_NONE])) {
|
||
$variables['block_regions'][BLOCK_REGION_NONE] = t('Disabled');
|
||
}
|
||
|
||
foreach ($variables['block_regions'] as $key => $value) {
|
||
// Initialize an empty array for the region.
|
||
$variables['block_listing'][$key] = array();
|
||
}
|
||
|
||
// Initialize disabled blocks array.
|
||
$variables['block_listing'][BLOCK_REGION_NONE] = array();
|
||
|
||
// Add each block in the form to the appropriate place in the block listing.
|
||
foreach (element_children($variables['form']['blocks']) as $i) {
|
||
$block = &$variables['form']['blocks'][$i];
|
||
|
||
// Fetch the region for the current block.
|
||
$region = (isset($block['region']['#default_value']) ? $block['region']['#default_value'] : BLOCK_REGION_NONE);
|
||
|
||
// Set special classes needed for table drag and drop.
|
||
$block['region']['#attributes']['class'] = array('block-region-select', 'block-region-' . $region);
|
||
$block['weight']['#attributes']['class'] = array('block-weight', 'block-weight-' . $region);
|
||
|
||
$variables['block_listing'][$region][$i] = new stdClass();
|
||
$variables['block_listing'][$region][$i]->row_class = !empty($block['#attributes']['class']) ? implode(' ', $block['#attributes']['class']) : '';
|
||
$variables['block_listing'][$region][$i]->block_modified = !empty($block['#attributes']['class']) && in_array('block-modified', $block['#attributes']['class']);
|
||
$variables['block_listing'][$region][$i]->block_title = drupal_render($block['info']);
|
||
$variables['block_listing'][$region][$i]->region_select = drupal_render($block['region']) . drupal_render($block['theme']);
|
||
$variables['block_listing'][$region][$i]->weight_select = drupal_render($block['weight']);
|
||
$variables['block_listing'][$region][$i]->configure_link = drupal_render($block['configure']);
|
||
$variables['block_listing'][$region][$i]->delete_link = !empty($block['delete']) ? drupal_render($block['delete']) : '';
|
||
$variables['block_listing'][$region][$i]->printed = FALSE;
|
||
}
|
||
|
||
$variables['form_submit'] = drupal_render_children($variables['form']);
|
||
}
|
||
|