diff core/modules/contextual/js/contextual.js @ 0:4c8ae668cc8c

Initial import (non-working)

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/core/modules/contextual/js/contextual.js	Wed Nov 29 16:09:58 2017 +0000
@@ -0,0 +1,147 @@
+/**
+* DO NOT EDIT THIS FILE.
+* See the following change record for more information,
+* https://www.drupal.org/node/2815083
+* @preserve
+**/
+
+(function ($, Drupal, drupalSettings, _, Backbone, JSON, storage) {
+  var options = $.extend(drupalSettings.contextual, {
+    strings: {
+      open: Drupal.t('Open'),
+      close: Drupal.t('Close')
+    }
+  });
+
+  var cachedPermissionsHash = storage.getItem('Drupal.contextual.permissionsHash');
+  var permissionsHash = drupalSettings.user.permissionsHash;
+  if (cachedPermissionsHash !== permissionsHash) {
+    if (typeof permissionsHash === 'string') {
+      _.chain(storage).keys().each(function (key) {
+        if (key.substring(0, 18) === 'Drupal.contextual.') {
+          storage.removeItem(key);
+        }
+      });
+    }
+    storage.setItem('Drupal.contextual.permissionsHash', permissionsHash);
+  }
+
+  function initContextual($contextual, html) {
+    var $region = $contextual.closest('.contextual-region');
+    var contextual = Drupal.contextual;
+
+    $contextual.html(html).addClass('contextual').prepend(Drupal.theme('contextualTrigger'));
+
+    var destination = 'destination=' + Drupal.encodePath(drupalSettings.path.currentPath);
+    $contextual.find('.contextual-links a').each(function () {
+      var url = this.getAttribute('href');
+      var glue = url.indexOf('?') === -1 ? '?' : '&';
+      this.setAttribute('href', url + glue + destination);
+    });
+
+    var model = new contextual.StateModel({
+      title: $region.find('h2').eq(0).text().trim()
+    });
+    var viewOptions = $.extend({ el: $contextual, model: model }, options);
+    contextual.views.push({
+      visual: new contextual.VisualView(viewOptions),
+      aural: new contextual.AuralView(viewOptions),
+      keyboard: new contextual.KeyboardView(viewOptions)
+    });
+    contextual.regionViews.push(new contextual.RegionView($.extend({ el: $region, model: model }, options)));
+
+    contextual.collection.add(model);
+
+    $(document).trigger('drupalContextualLinkAdded', {
+      $el: $contextual,
+      $region: $region,
+      model: model
+    });
+
+    adjustIfNestedAndOverlapping($contextual);
+  }
+
+  function adjustIfNestedAndOverlapping($contextual) {
+    var $contextuals = $contextual.parents('.contextual-region').eq(-1).find('.contextual');
+
+    if ($contextuals.length <= 1) {
+      return;
+    }
+
+    var firstTop = $contextuals.eq(0).offset().top;
+    var secondTop = $contextuals.eq(1).offset().top;
+    if (firstTop === secondTop) {
+      var $nestedContextual = $contextuals.eq(1);
+
+      var height = 0;
+      var $trigger = $nestedContextual.find('.trigger');
+
+      $trigger.removeClass('visually-hidden');
+      height = $nestedContextual.height();
+      $trigger.addClass('visually-hidden');
+
+      $nestedContextual.css({ top: $nestedContextual.position().top + height });
+    }
+  }
+
+  Drupal.behaviors.contextual = {
+    attach: function attach(context) {
+      var $context = $(context);
+
+      var $placeholders = $context.find('[data-contextual-id]').once('contextual-render');
+      if ($placeholders.length === 0) {
+        return;
+      }
+
+      var ids = [];
+      $placeholders.each(function () {
+        ids.push($(this).attr('data-contextual-id'));
+      });
+
+      var uncachedIDs = _.filter(ids, function (contextualID) {
+        var html = storage.getItem('Drupal.contextual.' + contextualID);
+        if (html && html.length) {
+          window.setTimeout(function () {
+            initContextual($context.find('[data-contextual-id="' + contextualID + '"]'), html);
+          });
+          return false;
+        }
+        return true;
+      });
+
+      if (uncachedIDs.length > 0) {
+        $.ajax({
+          url: Drupal.url('contextual/render'),
+          type: 'POST',
+          data: { 'ids[]': uncachedIDs },
+          dataType: 'json',
+          success: function success(results) {
+            _.each(results, function (html, contextualID) {
+              storage.setItem('Drupal.contextual.' + contextualID, html);
+
+              if (html.length > 0) {
+                $placeholders = $context.find('[data-contextual-id="' + contextualID + '"]');
+
+                for (var i = 0; i < $placeholders.length; i++) {
+                  initContextual($placeholders.eq(i), html);
+                }
+              }
+            });
+          }
+        });
+      }
+    }
+  };
+
+  Drupal.contextual = {
+    views: [],
+
+    regionViews: []
+  };
+
+  Drupal.contextual.collection = new Backbone.Collection([], { model: Drupal.contextual.StateModel });
+
+  Drupal.theme.contextualTrigger = function () {
+    return '<button class="trigger visually-hidden focusable" type="button"></button>';
+  };
+})(jQuery, Drupal, drupalSettings, _, Backbone, window.JSON, window.sessionStorage);
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