Added option to prevent dropdown collapse

diff --git a/wcfsetup/install/files/js/WoltLab/WCF/Ui/Dropdown/Simple.js b/wcfsetup/install/files/js/WoltLab/WCF/Ui/Dropdown/Simple.js
index 90a562dc3740b01a213f117404b25d957d902f27..8d4208b347abdbf7ea8830baa86d91c75f1fdd40 100644 (file)
--- a/wcfsetup/install/files/js/WoltLab/WCF/Ui/Dropdown/Simple.js
+++ b/wcfsetup/install/files/js/WoltLab/WCF/Ui/Dropdown/Simple.js
@@ -350,15 +350,24 @@ define(
                                targetId = elData(event.currentTarget, 'target');
                        }
                        
-                       // check if 'isOverlayDropdownButton' is set which indicates if
-                       // the dropdown toggle is in an overlay
-                       var dropdown = _dropdowns.get(targetId);
-                       if (dropdown !== undefined && elData(dropdown, 'is-overlay-dropdown-button') === null) {
-                               var dialogContent = DomTraverse.parentByClass(dropdown, 'dialogContent');
-                               elData(dropdown, 'is-overlay-dropdown-button', (dialogContent !== null));
+                       var dropdown = _dropdowns.get(targetId), preventToggle = false;
+                       if (dropdown !== undefined) {
+                               // Repeated clicks on the dropdown buttom will not cause it to close, the only way
+                               // to close it is by clicking somewhere else in the document or on another dropdown
+                               // toggle. This is used with the search bar to prevent the dropdown from closing by
+                               // setting the caret position in the search input field.
+                               if (elDataBool(dropdown, 'dropdown-prevent-toggle') && dropdown.classList.contains('dropdownOpen')) {
+                                       preventToggle = true;
+                               }
                                
-                               if (dialogContent !== null) {
-                                       dialogContent.addEventListener('scroll', this._onDialogScroll.bind(this));
+                               // check if 'isOverlayDropdownButton' is set which indicates if the dropdown toggle is in an overlay
+                               if (elData(dropdown, 'is-overlay-dropdown-button') === null) {
+                                       var dialogContent = DomTraverse.parentByClass(dropdown, 'dialogContent');
+                                       elData(dropdown, 'is-overlay-dropdown-button', (dialogContent !== null));
+                                       
+                                       if (dialogContent !== null) {
+                                               dialogContent.addEventListener('scroll', this._onDialogScroll.bind(this));
+                                       }
                                }
                        }
                        
@@ -367,10 +376,12 @@ define(
                                var menu = _menus.get(containerId);
                                
                                if (dropdown.classList.contains('dropdownOpen')) {
-                                       dropdown.classList.remove('dropdownOpen');
-                                       menu.classList.remove('dropdownOpen');
-                                       
-                                       this._notifyCallbacks(containerId, 'close');
+                                       if (preventToggle === false) {
+                                               dropdown.classList.remove('dropdownOpen');
+                                               menu.classList.remove('dropdownOpen');
+                                               
+                                               this._notifyCallbacks(containerId, 'close');
+                                       }
                                }
                                else if (containerId === targetId && menu.childElementCount > 0) {
                                        dropdown.classList.add('dropdownOpen');