Bachir Soussi Chiadmi 1bc61b12ad first import
2015-04-08 11:40:19 +02:00

398 lines
12 KiB
JavaScript

(function($) {
Drupal.admin = Drupal.admin || {};
Drupal.admin.behaviors = Drupal.admin.behaviors || {};
Drupal.admin.hashes = Drupal.admin.hashes || {};
/**
* Core behavior for Administration menu.
*
* Test whether there is an administration menu is in the output and execute all
* registered behaviors.
*/
Drupal.behaviors.adminMenu = {
attach: function (context, settings) {
// Initialize settings.
settings.admin_menu = $.extend({
suppress: false,
margin_top: false,
position_fixed: false,
tweak_modules: false,
tweak_permissions: false,
tweak_tabs: false,
destination: '',
basePath: settings.basePath,
hash: 0,
replacements: {}
}, settings.admin_menu || {});
// Check whether administration menu should be suppressed.
if (settings.admin_menu.suppress) {
return;
}
var $adminMenu = $('#admin-menu:not(.admin-menu-processed)', context);
// Client-side caching; if administration menu is not in the output, it is
// fetched from the server and cached in the browser.
if (!$adminMenu.length && settings.admin_menu.hash) {
Drupal.admin.getCache(settings.admin_menu.hash, function (response) {
if (typeof response == 'string' && response.length > 0) {
$('body', context).append(response);
}
var $adminMenu = $('#admin-menu:not(.admin-menu-processed)', context);
// Apply our behaviors.
Drupal.admin.attachBehaviors(context, settings, $adminMenu);
// Allow resize event handlers to recalculate sizes/positions.
$(window).triggerHandler('resize');
});
}
// If the menu is in the output already, this means there is a new version.
else {
// Apply our behaviors.
Drupal.admin.attachBehaviors(context, settings, $adminMenu);
}
}
};
/**
* Collapse fieldsets on Modules page.
*/
Drupal.behaviors.adminMenuCollapseModules = {
attach: function (context, settings) {
if (settings.admin_menu.tweak_modules) {
$('#system-modules fieldset:not(.collapsed)', context).addClass('collapsed');
}
}
};
/**
* Collapse modules on Permissions page.
*/
Drupal.behaviors.adminMenuCollapsePermissions = {
attach: function (context, settings) {
if (settings.admin_menu.tweak_permissions) {
// Freeze width of first column to prevent jumping.
$('#permissions th:first', context).css({ width: $('#permissions th:first', context).width() });
// Attach click handler.
$modules = $('#permissions tr:has(td.module)', context).once('admin-menu-tweak-permissions', function () {
var $module = $(this);
$module.bind('click.admin-menu', function () {
// @todo Replace with .nextUntil() in jQuery 1.4.
$module.nextAll().each(function () {
var $row = $(this);
if ($row.is(':has(td.module)')) {
return false;
}
$row.toggleClass('element-hidden');
});
});
});
// Collapse all but the targeted permission rows set.
if (window.location.hash.length) {
$modules = $modules.not(':has(' + window.location.hash + ')');
}
$modules.trigger('click.admin-menu');
}
}
};
/**
* Apply margin to page.
*
* Note that directly applying marginTop does not work in IE. To prevent
* flickering/jumping page content with client-side caching, this is a regular
* Drupal behavior.
*/
Drupal.behaviors.adminMenuMarginTop = {
attach: function (context, settings) {
if (!settings.admin_menu.suppress && settings.admin_menu.margin_top) {
$('body:not(.admin-menu)', context).addClass('admin-menu');
}
}
};
/**
* Retrieve content from client-side cache.
*
* @param hash
* The md5 hash of the content to retrieve.
* @param onSuccess
* A callback function invoked when the cache request was successful.
*/
Drupal.admin.getCache = function (hash, onSuccess) {
if (Drupal.admin.hashes.hash !== undefined) {
return Drupal.admin.hashes.hash;
}
$.ajax({
cache: true,
type: 'GET',
dataType: 'text', // Prevent auto-evaluation of response.
global: false, // Do not trigger global AJAX events.
url: Drupal.settings.admin_menu.basePath.replace(/admin_menu/, 'js/admin_menu/cache/' + hash),
success: onSuccess,
complete: function (XMLHttpRequest, status) {
Drupal.admin.hashes.hash = status;
}
});
};
/**
* TableHeader callback to determine top viewport offset.
*
* @see toolbar.js
*/
Drupal.admin.height = function() {
var $adminMenu = $('#admin-menu');
var height = $adminMenu.outerHeight();
// In IE, Shadow filter adds some extra height, so we need to remove it from
// the returned height.
if ($adminMenu.css('filter') && $adminMenu.css('filter').match(/DXImageTransform\.Microsoft\.Shadow/)) {
height -= $adminMenu.get(0).filters.item("DXImageTransform.Microsoft.Shadow").strength;
}
return height;
};
/**
* @defgroup admin_behaviors Administration behaviors.
* @{
*/
/**
* Attach administrative behaviors.
*/
Drupal.admin.attachBehaviors = function (context, settings, $adminMenu) {
if ($adminMenu.length) {
$adminMenu.addClass('admin-menu-processed');
$.each(Drupal.admin.behaviors, function() {
this(context, settings, $adminMenu);
});
}
};
/**
* Apply 'position: fixed'.
*/
Drupal.admin.behaviors.positionFixed = function (context, settings, $adminMenu) {
if (settings.admin_menu.position_fixed) {
$adminMenu.addClass('admin-menu-position-fixed');
$adminMenu.css('position', 'fixed');
}
};
/**
* Move page tabs into administration menu.
*/
Drupal.admin.behaviors.pageTabs = function (context, settings, $adminMenu) {
if (settings.admin_menu.tweak_tabs) {
var $tabs = $(context).find('ul.tabs.primary');
$adminMenu.find('#admin-menu-wrapper > ul').eq(1)
.append($tabs.find('li').addClass('admin-menu-tab'));
$(context).find('ul.tabs.secondary')
.appendTo('#admin-menu-wrapper > ul > li.admin-menu-tab.active')
.removeClass('secondary');
$tabs.remove();
}
};
/**
* Perform dynamic replacements in cached menu.
*/
Drupal.admin.behaviors.replacements = function (context, settings, $adminMenu) {
for (var item in settings.admin_menu.replacements) {
$(item, $adminMenu).html(settings.admin_menu.replacements[item]);
}
};
/**
* Inject destination query strings for current page.
*/
Drupal.admin.behaviors.destination = function (context, settings, $adminMenu) {
if (settings.admin_menu.destination) {
$('a.admin-menu-destination', $adminMenu).each(function() {
this.search += (!this.search.length ? '?' : '&') + Drupal.settings.admin_menu.destination;
});
}
};
/**
* Apply JavaScript-based hovering behaviors.
*
* @todo This has to run last. If another script registers additional behaviors
* it will not run last.
*/
Drupal.admin.behaviors.hover = function (context, settings, $adminMenu) {
// Hover emulation for IE 6.
if ($.browser.msie && parseInt(jQuery.browser.version) == 6) {
$('li', $adminMenu).hover(
function () {
$(this).addClass('iehover');
},
function () {
$(this).removeClass('iehover');
}
);
}
// Delayed mouseout.
$('li.expandable', $adminMenu).hover(
function () {
// Stop the timer.
clearTimeout(this.sfTimer);
// Display child lists.
$('> ul', this)
.css({left: 'auto', display: 'block'})
// Immediately hide nephew lists.
.parent().siblings('li').children('ul').css({left: '-999em', display: 'none'});
},
function () {
// Start the timer.
var uls = $('> ul', this);
this.sfTimer = setTimeout(function () {
uls.css({left: '-999em', display: 'none'});
}, 400);
}
);
};
/**
* Apply the search bar functionality.
*/
Drupal.admin.behaviors.search = function (context, settings, $adminMenu) {
// @todo Add a HTML ID.
var $input = $('input.admin-menu-search', $adminMenu);
// Initialize the current search needle.
var needle = $input.val();
// Cache of all links that can be matched in the menu.
var links;
// Minimum search needle length.
var needleMinLength = 2;
// Append the results container.
var $results = $('<div />').insertAfter($input);
/**
* Executes the search upon user input.
*/
function keyupHandler() {
var matches, $html, value = $(this).val();
// Only proceed if the search needle has changed.
if (value !== needle) {
needle = value;
// Initialize the cache of menu links upon first search.
if (!links && needle.length >= needleMinLength) {
// @todo Limit to links in dropdown menus; i.e., skip menu additions.
links = buildSearchIndex($adminMenu.find('li:not(.admin-menu-action, .admin-menu-action li) > a'));
}
// Empty results container when deleting search text.
if (needle.length < needleMinLength) {
$results.empty();
}
// Only search if the needle is long enough.
if (needle.length >= needleMinLength && links) {
matches = findMatches(needle, links);
// Build the list in a detached DOM node.
$html = buildResultsList(matches);
// Display results.
$results.empty().append($html);
}
}
}
/**
* Builds the search index.
*/
function buildSearchIndex($links) {
return $links
.map(function () {
var text = (this.textContent || this.innerText);
// Skip menu entries that do not contain any text (e.g., the icon).
if (typeof text === 'undefined') {
return;
}
return {
text: text,
textMatch: text.toLowerCase(),
element: this
};
});
}
/**
* Searches the index for a given needle and returns matching entries.
*/
function findMatches(needle, links) {
var needleMatch = needle.toLowerCase();
// Select matching links from the cache.
return $.grep(links, function (link) {
return link.textMatch.indexOf(needleMatch) !== -1;
});
}
/**
* Builds the search result list in a detached DOM node.
*/
function buildResultsList(matches) {
var $html = $('<ul class="dropdown admin-menu-search-results" />');
$.each(matches, function () {
var result = this.text;
var $element = $(this.element);
// Check whether there is a top-level category that can be prepended.
var $category = $element.closest('#admin-menu-wrapper > ul > li');
var categoryText = $category.find('> a').text()
if ($category.length && categoryText) {
result = categoryText + ': ' + result;
}
var $result = $('<li><a href="' + $element.attr('href') + '">' + result + '</a></li>');
$result.data('original-link', $(this.element).parent());
$html.append($result);
});
return $html;
}
/**
* Highlights selected result.
*/
function resultsHandler(e) {
var $this = $(this);
var show = e.type === 'mouseenter' || e.type === 'focusin';
$this.trigger(show ? 'showPath' : 'hidePath', [this]);
}
/**
* Closes the search results and clears the search input.
*/
function resultsClickHandler(e, link) {
var $original = $(this).data('original-link');
$original.trigger('mouseleave');
$input.val('').trigger('keyup');
}
/**
* Shows the link in the menu that corresponds to a search result.
*/
function highlightPathHandler(e, link) {
if (link) {
var $original = $(link).data('original-link');
var show = e.type === 'showPath';
// Toggle an additional CSS class to visually highlight the matching link.
// @todo Consider using same visual appearance as regular hover.
$original.toggleClass('highlight', show);
$original.trigger(show ? 'mouseenter' : 'mouseleave');
}
}
// Attach showPath/hidePath handler to search result entries.
$results.delegate('li', 'mouseenter mouseleave focus blur', resultsHandler);
// Hide the result list after a link has been clicked, useful for overlay.
$results.delegate('li', 'click', resultsClickHandler);
// Attach hover/active highlight behavior to search result entries.
$adminMenu.delegate('.admin-menu-search-results li', 'showPath hidePath', highlightPathHandler);
// Attach the search input event handler.
$input.bind('keyup search', keyupHandler);
};
/**
* @} End of "defgroup admin_behaviors".
*/
})(jQuery);