d7_to_d10_migration/drupal7/web/modules/dashboard/dashboard.module

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2024-07-23 03:38:34 +00:00
<?php
/**
* @file
* Provides a dashboard page in the administrative interface.
*/
/**
* Implements hook_help().
*/
function dashboard_help($path, $arg) {
switch ($path) {
case 'admin/help#dashboard':
$output = '';
$output .= '<h3>' . t('About') . '</h3>';
$output .= '<p>' . t('The Dashboard module provides a <a href="@dashboard">Dashboard page</a> in the administrative interface for organizing administrative tasks and navigation, and tracking information within your site. The Dashboard page contains blocks, which you can add to and arrange using the drag-and-drop interface that appears when you click on the <em>Customize dashboard</em> link. Within this interface, blocks that are not primarily used for site administration do not appear by default, but can be added via the <em>Add other blocks</em> link. For more information, see the online handbook entry for <a href="@handbook">Dashboard module</a>.', array('@handbook' => 'http://drupal.org/documentation/modules/dashboard', '@dashboard' => url('admin/dashboard'))) . '</p>';
$output .= '<h3>' . t('Uses') . '</h3>';
$output .= '<dl>';
$output .= '<dt>' . t('Tracking user activity') . '</dt>';
$output .= '<dd>' . t("By enabling blocks such as <em>Who's online</em> and <em>Who's new</em>, site users can track who is logged in and new user signups at a centralized location.") . '</dd>';
$output .= '<dt>' . t('Tracking content activity') . '</dt>';
$output .= '<dd>' . t('By enabling blocks such as <em>Recent blog posts</em>, <em>New forum topics</em> and <em>Recent comments</em>, site users can view newly added site content at a glance.') . '</dd>';
$output .= '</dl>';
return $output;
case 'admin/dashboard/configure':
// @todo This assumes the current page is being displayed using the same
// theme that the dashboard is displayed in.
$output = '<p>' . t('Rearrange blocks for display on the <a href="@dashboard-url">Dashboard page</a>. Blocks placed in the <em>Dashboard (inactive)</em> region are not displayed when viewing the Dashboard page, but are available within its <em>Customize dashboard</em> interface. Removing a block from active dashboard display makes it available on the main <a href="@blocks-url">blocks administration page</a>.', array('@dashboard-url' => url('admin/dashboard'), '@blocks-url' => url("admin/structure/block/list/{$GLOBALS['theme_key']}"))) . '</p>';
return $output;
}
}
/**
* Implements hook_menu().
*/
function dashboard_menu() {
$items['admin/dashboard'] = array(
'title' => 'Dashboard',
'description' => 'View and customize your dashboard.',
'page callback' => 'dashboard_admin',
'access arguments' => array('access dashboard'),
// Make this appear first, so for example, in admin menus, it shows up on
// the top corner of the window as a convenient "home link".
'weight' => -15,
);
$items['admin/dashboard/configure'] = array(
'title' => 'Configure available dashboard blocks',
'description' => 'Configure which blocks can be shown on the dashboard.',
'page callback' => 'dashboard_admin_blocks',
'access arguments' => array('administer blocks'),
'type' => MENU_VISIBLE_IN_BREADCRUMB,
);
$items['admin/dashboard/customize'] = array(
'title' => 'Customize dashboard',
'description' => 'Customize your dashboard.',
'page callback' => 'dashboard_admin',
'page arguments' => array(TRUE),
'access arguments' => array('access dashboard'),
'type' => MENU_VISIBLE_IN_BREADCRUMB,
);
$items['admin/dashboard/drawer'] = array(
'page callback' => 'dashboard_show_disabled',
'access arguments' => array('administer blocks'),
'type' => MENU_CALLBACK,
);
$items['admin/dashboard/block-content/%/%'] = array(
'page callback' => 'dashboard_show_block_content',
'page arguments' => array(3, 4),
'access arguments' => array('administer blocks'),
'type' => MENU_CALLBACK,
);
$items['admin/dashboard/update'] = array(
'page callback' => 'dashboard_update',
'access arguments' => array('administer blocks'),
'type' => MENU_CALLBACK,
);
return $items;
}
/**
* Implements hook_permission().
*/
function dashboard_permission() {
return array(
'access dashboard' => array(
'title' => t('View the administrative dashboard'),
// Note: We translate the 'Administer blocks' permission string here with
// a separate t() call, to make sure it gets the same translation as when
// it's in block_permission().
'description' => t('Customizing the dashboard requires the !permission-name permission.', array(
'!permission-name' => l(t('Administer blocks'), 'admin/people/permissions', array('fragment' => 'module-block')),
)),
),
);
}
/**
* Implements hook_block_info_alter().
*/
function dashboard_block_info_alter(&$blocks, $theme, $code_blocks) {
$admin_theme = variable_get('admin_theme');
if (($admin_theme && $theme == $admin_theme) || (!$admin_theme && $theme == variable_get('theme_default', 'bartik'))) {
foreach ($blocks as $module => &$module_blocks) {
foreach ($module_blocks as $delta => &$block) {
// Make administrative blocks that are not already in use elsewhere
// available for the dashboard.
if (empty($block['status']) && (empty($block['region']) || $block['region'] == BLOCK_REGION_NONE) && !empty($code_blocks[$module][$delta]['properties']['administrative'])) {
$block['status'] = 1;
$block['region'] = 'dashboard_inactive';
}
}
}
}
}
/**
* Implements hook_block_list_alter().
*
* Skip rendering dashboard blocks when not on the dashboard page itself. This
* prevents expensive dashboard blocks from causing performance issues on pages
* where they will never be displayed.
*/
function dashboard_block_list_alter(&$blocks) {
if (!dashboard_is_visible()) {
foreach ($blocks as $key => $block) {
if (in_array($block->region, dashboard_regions())) {
unset($blocks[$key]);
}
}
}
}
/**
* Implements hook_page_build().
*
* Display dashboard blocks in the main content region.
*/
function dashboard_page_build(&$page) {
global $theme_key;
if (dashboard_is_visible()) {
$block_info = array();
// Create a wrapper for the dashboard itself, then insert each dashboard
// region into it.
$page['content']['dashboard'] = array('#theme_wrappers' => array('dashboard'));
foreach (dashboard_regions() as $region) {
// Do not show dashboard blocks that are disabled.
if ($region == 'dashboard_inactive') {
continue;
}
// Insert regions even when they are empty, so that they will be
// displayed when the dashboard is being configured.
$page['content']['dashboard'][$region] = !empty($page[$region]) ? $page[$region] : array();
$page['content']['dashboard'][$region]['#dashboard_region'] = $region;
// Allow each dashboard region to be themed differently, or fall back on
// the generic theme wrapper function for dashboard regions.
$page['content']['dashboard'][$region]['#theme_wrappers'][] = array($region, 'dashboard_region');
unset($page[$region]);
$blocks_found = array();
foreach ($page['content']['dashboard'][$region] as $item) {
if (isset($item['#theme_wrappers']) && is_array($item['#theme_wrappers']) && in_array('block', $item['#theme_wrappers'])) {
// If this item is a block, ensure it has a subject.
if (empty($item['#block']->subject)) {
// Locally cache info data for the object for all blocks, in case
// we find a block similarly missing title from the same module.
if (!isset($block_info[$item['#block']->module])) {
$block_info[$item['#block']->module] = module_invoke($item['#block']->module, 'block_info');
}
$item['#block']->subject = $block_info[$item['#block']->module][$item['#block']->delta]['info'];
}
$blocks_found[$item['#block']->module . '_' . $item['#block']->delta] = TRUE;
}
}
// Find blocks which were not yet displayed on the page (were empty), and
// add placeholder items in their place for rendering.
$block_list = db_select('block')
->condition('theme', $theme_key)
->condition('status', 1)
->condition('region', $region)
->fields('block')
->execute();
foreach ($block_list as $block) {
if (!isset($blocks_found[$block->module . '_' . $block->delta])) {
$block->enabled = $block->page_match = TRUE;
$block->content = array('#markup' => '<div class="dashboard-block-empty">(empty)</div>');
if (!isset($block_info[$block->module])) {
$block_info[$block->module] = module_invoke($block->module, 'block_info');
}
$block->subject = t('@title', array('@title' => $block_info[$block->module][$block->delta]['info']));
$block_render = array($block->module . '_' . $block->delta => $block);
$build = _block_get_renderable_array($block_render);
$page['content']['dashboard'][$block->region][] = $build;
}
}
}
}
}
/**
* Implements hook_system_info_alter().
*
* Add regions to each theme to store the dashboard blocks.
*/
function dashboard_system_info_alter(&$info, $file, $type) {
if ($type == 'theme') {
// Add the dashboard regions (the "inactive" region should always appear
// last in the list, for usability reasons).
$dashboard_regions = dashboard_region_descriptions();
if (isset($dashboard_regions['dashboard_inactive'])) {
$inactive_region = $dashboard_regions['dashboard_inactive'];
unset($dashboard_regions['dashboard_inactive']);
$dashboard_regions['dashboard_inactive'] = $inactive_region;
}
$info['regions'] += $dashboard_regions;
// Indicate that these regions are intended to be displayed whenever the
// dashboard is displayed in an overlay. This information is provided for
// any module that might need to use it, not just the core Overlay module.
$info['overlay_regions'] = !empty($info['overlay_regions']) ? array_merge($info['overlay_regions'], dashboard_regions()) : dashboard_regions();
}
}
/**
* Implements hook_theme().
*/
function dashboard_theme() {
return array(
'dashboard' => array(
'render element' => 'element',
),
'dashboard_admin' => array(
'render element' => 'element',
),
'dashboard_region' => array(
'render element' => 'element',
),
'dashboard_disabled_blocks' => array(
'variables' => array('blocks' => NULL),
),
'dashboard_disabled_block' => array(
'variables' => array('block' => NULL),
),
'dashboard_admin_display_form' => array(
// When building the form for configuring dashboard blocks, reuse the
// Block module's template for the main block configuration form.
'template' => 'block-admin-display-form',
'path' => drupal_get_path('module', 'block'),
'file' => 'block.admin.inc',
'render element' => 'form',
),
);
}
/**
* Implements hook_forms().
*/
function dashboard_forms() {
// Reroute the dashboard configuration form to the main blocks administration
// form. This allows us to distinguish them by form ID in hook_form_alter().
$forms['dashboard_admin_display_form'] = array(
'callback' => 'block_admin_display_form',
);
return $forms;
}
/**
* Page callback: Displays the dashboard.
*
* @param $launch_customize
* Whether to launch in customization mode right away. TRUE or FALSE.
*/
function dashboard_admin($launch_customize = FALSE) {
$js_settings = array(
'dashboard' => array(
'drawer' => url('admin/dashboard/drawer'),
'blockContent' => url('admin/dashboard/block-content'),
'updatePath' => url('admin/dashboard/update'),
'formToken' => drupal_get_token('dashboard-update'),
'launchCustomize' => $launch_customize,
'dashboard' => url('admin/dashboard'),
'emptyBlockText' => t('(empty)'),
'emptyRegionTextInactive' => t('This dashboard region is empty. Click <em>Customize dashboard</em> to add blocks to it.'),
'emptyRegionTextActive' => t('DRAG HERE'),
),
);
$build = array(
'#theme' => 'dashboard_admin',
'#message' => t('To customize the dashboard page, move blocks to the dashboard regions on the <a href="@dashboard">Dashboard administration page</a>, or enable JavaScript on this page to use the drag-and-drop interface.', array('@dashboard' => url('admin/dashboard/configure'))),
'#access' => user_access('administer blocks'),
'#attached' => array(
'js' => array(
drupal_get_path('module', 'dashboard') . '/dashboard.js',
array('data' => $js_settings, 'type' => 'setting'),
),
'library' => array(array('system', 'ui.sortable')),
),
);
return $build;
}
/**
* Page callback: Builds the page for administering dashboard blocks.
*
* This page reuses the Block module's administration form but limits editing
* to blocks that are available to appear on the dashboard.
*
* @see block_admin_display()
* @see block_admin_display_form()
* @see dashboard_form_dashboard_admin_display_form_alter()
* @see template_preprocess_dashboard_admin_display_form()
*/
function dashboard_admin_blocks() {
global $theme_key;
drupal_theme_initialize();
module_load_include('inc', 'block', 'block.admin');
// Prepare the blocks for the current theme, and remove those that are
// currently displayed in non-dashboard regions.
// @todo This assumes the current page is being displayed using the same
// theme that the dashboard is displayed in.
$blocks = block_admin_display_prepare_blocks($theme_key);
$dashboard_regions = dashboard_region_descriptions();
$regions_to_remove = array_diff_key(system_region_list($theme_key, REGIONS_VISIBLE), $dashboard_regions);
foreach ($blocks as $id => $block) {
if (isset($regions_to_remove[$block['region']])) {
unset($blocks[$id]);
}
}
// Pass in the above blocks and dashboard regions to the form, so that only
// dashboard-related regions will be displayed.
return drupal_get_form('dashboard_admin_display_form', $blocks, $theme_key, $dashboard_regions);
}
/**
* Implements hook_form_FORM_ID_alter().
*/
function dashboard_form_block_admin_display_form_alter(&$form, &$form_state, $form_id) {
// Hide dashboard regions (and any blocks placed within them) from the block
// administration form and from the options list on that form. This
// function is called for both the dashboard block configuration form and the
// standard block configuration form so that both forms can share the same
// constructor. As a result the form_id must be checked.
if ($form_id != 'dashboard_admin_display_form') {
$dashboard_regions = dashboard_region_descriptions();
$form['block_regions']['#value'] = array_diff_key($form['block_regions']['#value'], $dashboard_regions);
foreach (element_children($form['blocks']) as $i) {
$block = &$form['blocks'][$i];
if (isset($block['region']['#default_value']) && isset($dashboard_regions[$block['region']['#default_value']]) && $block['region']['#default_value'] != 'dashboard_inactive') {
$block['#access'] = FALSE;
}
elseif (isset($block['region']['#options'])) {
$block['region']['#options'] = array_diff_key($block['region']['#options'], $dashboard_regions);
}
// Show inactive dashboard blocks as disabled on the main block
// administration form, so that they are available to place in other
// regions of the theme. Note that when the form is submitted, any such
// blocks which still remain disabled will immediately be put back in the
// 'dashboard_inactive' region, because dashboard_block_info_alter() is
// called when the blocks are rehashed. Fortunately, this is the exact
// behavior we want.
if ($block['region']['#default_value'] == 'dashboard_inactive') {
// @todo These do not wind up in correct alphabetical order.
$block['region']['#default_value'] = NULL;
}
}
}
}
/**
* Implements hook_form_FORM_ID_alter().
*/
function dashboard_form_dashboard_admin_display_form_alter(&$form, &$form_state) {
// Redirect the 'configure' and 'delete' links on each block back to the
// dashboard blocks administration page.
foreach ($form['blocks'] as &$block) {
if (isset($block['configure']['#href'])) {
$block['configure']['#options']['query']['destination'] = 'admin/dashboard/configure';
}
if (isset($block['delete']['#href'])) {
$block['delete']['#options']['query']['destination'] = 'admin/dashboard/configure';
}
}
}
/**
* Implements hook_form_FORM_ID_alter().
*/
function dashboard_form_block_admin_configure_alter(&$form, &$form_state) {
global $theme_key;
drupal_theme_initialize();
// Hide the dashboard regions from the region select list on the block
// configuration form, for all themes except the current theme (since the
// other themes do not display the dashboard).
// @todo This assumes the current page is being displayed using the same
// theme that the dashboard is displayed in.
$dashboard_regions = dashboard_region_descriptions();
foreach (element_children($form['regions']) as $region_name) {
$region = &$form['regions'][$region_name];
if ($region_name != $theme_key && isset($region['#options'])) {
$region['#options'] = array_diff_key($region['#options'], $dashboard_regions);
}
}
}
/**
* Implements hook_form_FORM_ID_alter().
*/
function dashboard_form_block_add_block_form_alter(&$form, &$form_state) {
dashboard_form_block_admin_configure_alter($form, $form_state);
}
/**
* Preprocesses variables for block-admin-display-form.tpl.php.
*/
function template_preprocess_dashboard_admin_display_form(&$variables) {
template_preprocess_block_admin_display_form($variables);
if (isset($variables['block_regions'][BLOCK_REGION_NONE])) {
$variables['block_regions'][BLOCK_REGION_NONE] = t('Other blocks');
}
}
/**
* Determines if the dashboard should be displayed on the current page.
*
* This function checks if the user is currently viewing the dashboard and has
* access to see it. It is used by other functions in the dashboard module to
* decide whether or not the dashboard content should be displayed to the
* current user.
*
* Although the menu system normally handles the above tasks, it only does so
* for the main page content. However, the dashboard is not part of the main
* page content, but rather is displayed in special regions of the page (so it
* can interface with the Block module's method of managing page regions). We
* therefore need to maintain this separate function to check the menu item for
* us.
*
* @return
* TRUE if the dashboard should be visible on the current page, FALSE
* otherwise.
*
* @see dashboard_block_list_alter()
* @see dashboard_page_build()
*/
function dashboard_is_visible() {
static $is_visible;
if (!isset($is_visible)) {
// If the current menu item represents the page on which we want to display
// the dashboard, and if the current user has access to see it, return
// TRUE.
$menu_item = menu_get_item();
$is_visible = isset($menu_item['page_callback']) && $menu_item['page_callback'] == 'dashboard_admin' && !empty($menu_item['access']);
}
return $is_visible;
}
/**
* Returns an array of dashboard region descriptions, keyed by region name.
*/
function dashboard_region_descriptions() {
$regions = module_invoke_all('dashboard_regions');
drupal_alter('dashboard_regions', $regions);
return $regions;
}
/**
* Returns an array of dashboard region names.
*/
function dashboard_regions() {
$regions = &drupal_static(__FUNCTION__);
if (!isset($regions)) {
$regions = array_keys(dashboard_region_descriptions());
}
return $regions;
}
/**
* Implements hook_dashboard_regions().
*/
function dashboard_dashboard_regions() {
return array(
'dashboard_main' => 'Dashboard (main)',
'dashboard_sidebar' => 'Dashboard (sidebar)',
'dashboard_inactive' => 'Dashboard (inactive)',
);
}
/**
* Ajax callback: Shows disabled blocks in the dashboard customization mode.
*/
function dashboard_show_disabled() {
global $theme_key;
// Blocks are not necessarily initialized at this point.
$blocks = _block_rehash();
// Limit the list to blocks that are marked as disabled for the dashboard.
foreach ($blocks as $key => $block) {
if ($block['theme'] != $theme_key || $block['region'] != 'dashboard_inactive') {
unset($blocks[$key]);
}
}
// Theme the output and end the page request.
print theme('dashboard_disabled_blocks', array('blocks' => $blocks));
drupal_exit();
}
/**
* Ajax callback: Displays the rendered contents of a specific block.
*
* @param $module
* The block's module name.
* @param $delta
* The block's delta.
*/
function dashboard_show_block_content($module, $delta) {
drupal_theme_initialize();
global $theme_key;
$blocks = array();
$block_object = db_query("SELECT * FROM {block} WHERE theme = :theme AND module = :module AND delta = :delta", array(
":theme" => $theme_key,
":module" => $module,
":delta" => $delta,
))
->fetchObject();
$block_object->enabled = $block_object->page_match = TRUE;
$blocks[$module . "_" . $delta] = $block_object;
$block_content = _block_render_blocks($blocks);
$build = _block_get_renderable_array($block_content);
$rendered_block = drupal_render($build);
print $rendered_block;
drupal_exit();
}
/**
* Sets the new weight of each region according to the drag-and-drop order.
*/
function dashboard_update() {
drupal_theme_initialize();
global $theme_key;
// Check the form token to make sure we have a valid request.
if (!empty($_REQUEST['form_token']) && drupal_valid_token($_REQUEST['form_token'], 'dashboard-update')) {
parse_str($_REQUEST['regions'], $regions);
foreach ($regions as $region_name => $blocks) {
if ($region_name == 'disabled_blocks') {
$region_name = 'dashboard_inactive';
}
foreach ($blocks as $weight => $block_string) {
// Parse the query string to determine the block's module and delta.
preg_match('/block-([^-]+)-(.+)/', $block_string, $matches);
$block = new stdClass();
$block->module = $matches[1];
$block->delta = $matches[2];
$block->region = $region_name;
$block->weight = $weight;
$block->status = 1;
db_merge('block')
->key(array(
'module' => $block->module,
'delta' => $block->delta,
'theme' => $theme_key,
))
->fields(array(
'status' => $block->status,
'weight' => $block->weight,
'region' => $block->region,
'pages' => '',
))
->execute();
}
}
drupal_set_message(t('The configuration options have been saved.'), 'status', FALSE);
}
drupal_exit();
}
/**
* Returns HTML for the entire dashboard.
*
* @param $variables
* An associative array containing:
* - element: A render element containing the properties of the dashboard
* region element, #dashboard_region and #children.
*
* @ingroup themeable
*/
function theme_dashboard($variables) {
extract($variables);
drupal_add_css(drupal_get_path('module', 'dashboard') . '/dashboard.css');
return '<div id="dashboard" class="clearfix">' . $element['#children'] . '</div>';
}
/**
* Returns HTML for the non-customizable part of the dashboard page.
*
* @param $variables
* An associative array containing:
* - element: A render element containing a #message.
*
* @ingroup themeable
*/
function theme_dashboard_admin($variables) {
// We only return a simple help message, since the actual content of the page
// will be populated via the dashboard regions in dashboard_page_build().
return '<div class="customize-dashboard js-hide">' . $variables['element']['#message'] . '</div>';
}
/**
* Returns HTML for a generic dashboard region.
*
* @param $variables
* An associative array containing:
* - element: A render element containing the properties of the dashboard
* region element, #dashboard_region and #children.
*
* @ingroup themeable
*/
function theme_dashboard_region($variables) {
extract($variables);
$output = '<div id="' . $element['#dashboard_region'] . '" class="dashboard-region">';
$output .= '<div class="region clearfix">';
$output .= $element['#children'];
// Closing div.region
$output .= '</div>';
// Closing div.dashboard-region
$output .= '</div>';
return $output;
}
/**
* Returns HTML for disabled blocks, for use in dashboard customization mode.
*
* @param $variables
* An associative array containing:
* - blocks: An array of block objects from _block_rehash().
*
* @ingroup themeable
*/
function theme_dashboard_disabled_blocks($variables) {
extract($variables);
$output = '<div class="canvas-content"><p>' . t('Drag and drop these blocks to the columns below. Changes are automatically saved. More options are available on the <a href="@dashboard-url">configuration page</a>.', array('@dashboard-url' => url('admin/dashboard/configure'))) . '</p>';
$output .= '<div id="disabled-blocks"><div class="region disabled-blocks clearfix">';
foreach ($blocks as $block) {
$output .= theme('dashboard_disabled_block', array('block' => $block));
}
$output .= '<div class="clearfix"></div>';
$output .= '<p class="dashboard-add-other-blocks">' . l(t('Add other blocks'), 'admin/dashboard/configure') . '</p>';
$output .= '</div></div></div>';
return $output;
}
/**
* Returns HTML for disabled blocks, for use in dashboard customization mode.
*
* @param $variables
* An associative array containing:
* - block: A block object from _block_rehash().
*
* @ingroup themeable
*/
function theme_dashboard_disabled_block($variables) {
extract($variables);
$output = "";
if (isset($block)) {
$output .= '<div id="block-' . $block['module'] . '-' . $block['delta']
. '" class="disabled-block block block-' . $block['module'] . '-' . $block['delta']
. ' module-' . $block['module'] . ' delta-' . $block['delta'] . '">'
. '<h2>' . (!empty($block['title']) && $block['title'] != '<none>' ? check_plain($block['title']) : check_plain($block['info'])) . '</h2>'
. '<div class="content"></div>'
. '</div>';
}
return $output;
}