Allow the select and multiselect filter controls to scroll content

Add param `isScrollable`, and released css, to allow the patternfly
`Select` components at the core of `SelectFilterControl` and
`MultiselectFilterControl` to scroll its content as needed.  This
is a replication of the patternfly Menu `isScrollable` prop[1].

Summary of changes:
  - Add `isScrollable` (with a default value of `false`) to
    `SelectFilterControl` and `MultiselectFilterControl`

  - Add `select-overrides.css` to implement the scrolling for the
    components

  - Minor tweaks to the filter select controls to mirror code
    formatting as they are very similar components

Resolves: https://issues.redhat.com/browse/MTA-485
[1]: https://www.patternfly.org/v4/components/menu#scrollable-menus

Signed-off-by: Scott J Dickerson <sdickers@redhat.com>

client/src/app/shared/components/FilterToolbar/FilterControl.tsx

@@ -29,6 +29,7 @@ export const FilterControl = <TItem, TFilterCategoryKey extends string>({
   if (category.type === FilterType.select) {
     return (
       <SelectFilterControl
+        isScrollable
         category={category as ISelectFilterCategory<TItem, TFilterCategoryKey>}
         {...props}
       />
@@ -49,6 +50,7 @@ export const FilterControl = <TItem, TFilterCategoryKey extends string>({
   if (category.type === FilterType.multiselect) {
     return (
       <MultiselectFilterControl
+        isScrollable
         category={
           category as IMultiselectFilterCategory<TItem, TFilterCategoryKey>
         }

client/src/app/shared/components/FilterToolbar/MultiselectFilterControl.tsx

@@ -13,12 +13,16 @@ import {
   IMultiselectFilterCategory,
   OptionPropsWithKey,
 } from "./FilterToolbar";
+import { css } from "@patternfly/react-styles";
+
+import "./select-overrides.css";
 
 export interface IMultiselectFilterControlProps<
   TItem,
   TFilterCategoryKey extends string
 > extends IFilterControlProps<TItem, TFilterCategoryKey> {
   category: IMultiselectFilterCategory<TItem, TFilterCategoryKey>;
+  isScrollable?: boolean;
 }
 
 export const MultiselectFilterControl = <
@@ -30,6 +34,7 @@ export const MultiselectFilterControl = <
   setFilterValue,
   showToolbarItem,
   isDisabled = false,
+  isScrollable = false,
 }: React.PropsWithChildren<
   IMultiselectFilterControlProps<TItem, TFilterCategoryKey>
 >): JSX.Element | null => {
@@ -47,10 +52,12 @@ export const MultiselectFilterControl = <
   const getChipFromOptionValue = (
     optionValue: string | SelectOptionObject | undefined
   ) => (optionValue ? optionValue.toString() : "");
+
   const getOptionKeyFromChip = (chip: string) =>
     category.selectOptions.find(
       (optionProps) => optionProps.value.toString() === chip
     )?.key;
+
   const getOptionValueFromOptionKey = (optionKey: string) =>
     category.selectOptions.find((optionProps) => optionProps.key === optionKey)
       ?.value;
@@ -71,6 +78,7 @@ export const MultiselectFilterControl = <
       }
     }
   };
+
   const onFilterClear = (chip: string) => {
     const optionKey = getOptionKeyFromChip(chip);
     const newValue = filterValue
@@ -83,6 +91,7 @@ export const MultiselectFilterControl = <
   const selections = filterValue
     ? filterValue.map(getOptionValueFromOptionKey)
     : null;
+
   const chips = selections ? selections.map(getChipFromOptionValue) : [];
 
   const renderSelectOptions = (options: OptionPropsWithKey[]) =>
@@ -111,23 +120,25 @@ export const MultiselectFilterControl = <
 
   return (
     <ToolbarFilter
+      id={`filter-control-${category.key}`}
       chips={chips}
       deleteChip={(_, chip) => onFilterClear(chip as string)}
       categoryName={category.title}
       showToolbarItem={showToolbarItem}
     >
       <Select
-        variant={SelectVariant.checkbox}
+        className={css(isScrollable && "isScrollable")}
         aria-label={category.title}
         toggleId={`${category.key}-filter-value-select`}
         onToggle={() => setIsFilterDropdownOpen(!isFilterDropdownOpen)}
         selections={selections || []}
         onSelect={(_, value) => onFilterSelect(value)}
         isOpen={isFilterDropdownOpen}
         placeholderText={category.placeholderText}
+        isDisabled={isDisabled || category.selectOptions.length === 0}
+        variant={SelectVariant.checkbox}
         hasInlineFilter
         onFilter={onOptionsFilter}
-        isDisabled={isDisabled || category.selectOptions.length === 0}
       >
         {renderSelectOptions(category.selectOptions)}
       </Select>

client/src/app/shared/components/FilterToolbar/SelectFilterControl.tsx

@@ -6,13 +6,17 @@ import {
   SelectOptionObject,
 } from "@patternfly/react-core";
 import { IFilterControlProps } from "./FilterControl";
-import { ISelectFilterCategory } from "./FilterToolbar";
+import { ISelectFilterCategory, OptionPropsWithKey } from "./FilterToolbar";
+import { css } from "@patternfly/react-styles";
+
+import "./select-overrides.css";
 
 export interface ISelectFilterControlProps<
   TItem,
   TFilterCategoryKey extends string
 > extends IFilterControlProps<TItem, TFilterCategoryKey> {
   category: ISelectFilterCategory<TItem, TFilterCategoryKey>;
+  isScrollable?: boolean;
 }
 
 export const SelectFilterControl = <TItem, TFilterCategoryKey extends string>({
@@ -21,6 +25,7 @@ export const SelectFilterControl = <TItem, TFilterCategoryKey extends string>({
   setFilterValue,
   showToolbarItem,
   isDisabled = false,
+  isScrollable = false,
 }: React.PropsWithChildren<
   ISelectFilterControlProps<TItem, TFilterCategoryKey>
 >): JSX.Element | null => {
@@ -32,13 +37,16 @@ export const SelectFilterControl = <TItem, TFilterCategoryKey extends string>({
     category.selectOptions.find(
       (optionProps) => optionProps.value === optionValue
     )?.key;
+
   const getChipFromOptionValue = (
     optionValue: string | SelectOptionObject | undefined
   ) => (optionValue ? optionValue.toString() : "");
+
   const getOptionKeyFromChip = (chip: string) =>
     category.selectOptions.find(
       (optionProps) => optionProps.value.toString() === chip
     )?.key;
+
   const getOptionValueFromOptionKey = (optionKey: string) =>
     category.selectOptions.find((optionProps) => optionProps.key === optionKey)
       ?.value;
@@ -48,6 +56,7 @@ export const SelectFilterControl = <TItem, TFilterCategoryKey extends string>({
     setFilterValue(optionKey ? [optionKey] : null);
     setIsFilterDropdownOpen(false);
   };
+
   const onFilterClear = (chip: string) => {
     const optionKey = getOptionKeyFromChip(chip);
     const newValue = filterValue
@@ -60,8 +69,14 @@ export const SelectFilterControl = <TItem, TFilterCategoryKey extends string>({
   const selections = filterValue
     ? filterValue.map(getOptionValueFromOptionKey)
     : null;
+
   const chips = selections ? selections.map(getChipFromOptionValue) : [];
 
+  const renderSelectOptions = (options: OptionPropsWithKey[]) =>
+    options.map((optionProps) => (
+      <SelectOption {...optionProps} key={optionProps.key} />
+    ));
+
   return (
     <ToolbarFilter
       id={`filter-control-${category.key}`}
@@ -71,6 +86,7 @@ export const SelectFilterControl = <TItem, TFilterCategoryKey extends string>({
       showToolbarItem={showToolbarItem}
     >
       <Select
+        className={css(isScrollable && "isScrollable")}
         aria-label={category.title}
         toggleId={`${category.key}-filter-value-select`}
         onToggle={() => setIsFilterDropdownOpen(!isFilterDropdownOpen)}
@@ -80,9 +96,7 @@ export const SelectFilterControl = <TItem, TFilterCategoryKey extends string>({
         placeholderText="Any"
         isDisabled={isDisabled || category.selectOptions.length === 0}
       >
-        {category.selectOptions.map((optionProps) => (
-          <SelectOption {...optionProps} key={optionProps.key} />
-        ))}
+        {renderSelectOptions(category.selectOptions)}
       </Select>
     </ToolbarFilter>
   );

client/src/app/shared/components/FilterToolbar/select-overrides.css

@@ -0,0 +1,4 @@
+.pf-c-select.isScrollable .pf-c-select__menu {
+  max-height: 60vh;
+  overflow-y: auto;
+}