Simple popup filter improvements

src/assets/icons/filter-list.svg

@@ -0,0 +1,3 @@
+<svg width="18" height="12" viewBox="0 0 18 12" fill="none" xmlns="http://www.w3.org/2000/svg">
+    <path d="M7 12V10H11V12H7ZM3 7V5H15V7H3ZM0 2V0H18V2H0Z" fill="currentColor" />
+</svg>

src/lib/filtering/models/simple-filter-option.ts

@@ -0,0 +1,4 @@
+export interface SimpleFilterOption<T> {
+    value: T;
+    label: string;
+}

src/lib/filtering/simple-popup-filter/simple-popup-filter.component.html

@@ -1,25 +1,33 @@
-<ng-container *ngIf="icon">
-    <iqser-icon-button
-        [attr.aria-expanded]="expanded()"
-        [class.disabled]="disabled()"
-        [disabled]="disabled()"
-        [icon]="icon()"
-        [label]="label()"
-        [matMenuTriggerFor]="filterMenu"
-        [showDot]="hasActiveFilters()"
-    ></iqser-icon-button>
-</ng-container>
+<iqser-icon-button
+    *ngIf="type() === 'text' && icon()"
+    [attr.aria-expanded]="expanded()"
+    [class.disabled]="disabled()"
+    [disabled]="disabled()"
+    [icon]="icon()"
+    [label]="label()"
+    [matMenuTriggerFor]="filterMenu"
+    [showDot]="hasActiveFilters()"
+></iqser-icon-button>
 
-<ng-container *ngIf="!icon">
-    <iqser-chevron-button
-        [attr.aria-expanded]="expanded()"
-        [class.disabled]="disabled"
-        [disabled]="disabled()"
-        [label]="label()"
-        [matMenuTriggerFor]="filterMenu"
-        [showDot]="hasActiveFilters()"
-    ></iqser-chevron-button>
-</ng-container>
+<iqser-chevron-button
+    [attr.aria-expanded]="expanded()"
+    [class.disabled]="disabled()"
+    [disabled]="disabled()"
+    [label]="label()"
+    [matMenuTriggerFor]="filterMenu"
+    [showDot]="hasActiveFilters()"
+    *ngIf="type() === 'text' && !icon()"
+></iqser-chevron-button>
+
+<iqser-circle-button
+    [attr.aria-expanded]="expanded()"
+    [class.disabled]="disabled()"
+    [disabled]="disabled()"
+    [matMenuTriggerFor]="filterMenu"
+    [showDot]="hasActiveFilters()"
+    [icon]="icon() || 'iqser:filter-list'"
+    *ngIf="type() === 'icon'"
+></iqser-circle-button>
 
 <mat-menu #filterMenu="matMenu" (closed)="expanded.set(false)" xPosition="before">
     <div iqserStopPropagation>

src/lib/filtering/simple-popup-filter/simple-popup-filter.component.ts

@@ -1,12 +1,12 @@
-import { Component, computed, input, output, signal, untracked } from '@angular/core';
+import { Component, computed, effect, input, output, signal, untracked } from '@angular/core';
 import { MatMenuModule } from '@angular/material/menu';
 import { CommonModule } from '@angular/common';
 import { TranslateModule } from '@ngx-translate/core';
 import { MatCheckbox } from '@angular/material/checkbox';
-import { takeUntilDestroyed, toObservable } from '@angular/core/rxjs-interop';
-import { ChevronButtonComponent, IconButtonComponent } from '../../buttons';
+import { ChevronButtonComponent, CircleButtonComponent, IconButtonComponent } from '../../buttons';
 import { StopPropagationDirective } from '../../directives';
 import { InputWithActionComponent } from '../../inputs';
+import { SimpleFilterOption } from '../models/simple-filter-option';
 
 @Component({
     selector: 'iqser-simple-popup-filter',
@@ -24,18 +24,20 @@ import { InputWithActionComponent } from '../../inputs';
         MatCheckbox,
         IconButtonComponent,
         ChevronButtonComponent,
+        CircleButtonComponent,
     ],
 })
-export class SimplePopupFilterComponent<T extends { label: string }> {
-    options = input.required<T[]>();
-    icon = input<string>();
-    label = input<string>();
-    filterPlaceholder = input.required<string>();
-    disabled = input<boolean>(false);
-    selectionChanged = output<T[]>();
+export class SimplePopupFilterComponent<T> {
+    readonly options = input.required<SimpleFilterOption<T>[]>();
+    readonly icon = input<string>();
+    readonly label = input<string>();
+    readonly filterPlaceholder = input.required<string>();
+    readonly disabled = input<boolean>(false);
+    readonly type = input<'text' | 'icon'>('text');
+    readonly selectionChanged = output<SimpleFilterOption<T>[]>();
 
     readonly expanded = signal(false);
-    readonly selectedOptions = signal<T[]>([]);
+    readonly selectedOptions = signal<SimpleFilterOption<T>[]>([]);
     readonly hasActiveFilters = computed(() => this.selectedOptions().length > 0);
     readonly searchValue = signal('');
     readonly displayedOptions = computed(() =>
@@ -43,10 +45,24 @@ export class SimplePopupFilterComponent<T extends { label: string }> {
     );
 
     constructor() {
-        toObservable(this.selectedOptions)
-            .pipe(takeUntilDestroyed())
-            // eslint-disable-next-line rxjs/no-ignored-subscription
-            .subscribe(() => this.selectionChanged.emit(this.selectedOptions()));
+        effect(() => {
+            this.selectionChanged.emit(this.selectedOptions());
+        });
+
+        /** If the options change and the selected options are not in the new options, remove them. */
+        effect(
+            () => {
+                const allOptions = this.options();
+                const selectedOptions = untracked(this.selectedOptions);
+
+                if (selectedOptions.some(selectedOption => !allOptions.find(o => o.value === selectedOption))) {
+                    this.selectedOptions.set(
+                        selectedOptions.filter(selectedOption => allOptions.find(o => o.value === selectedOption.value)),
+                    );
+                }
+            },
+            { allowSignalWrites: true },
+        );
     }
 
     protected _selectAll(): void {
@@ -57,7 +73,7 @@ export class SimplePopupFilterComponent<T extends { label: string }> {
         this.selectedOptions.set([]);
     }
 
-    protected _filterCheckboxClicked(option: T): void {
+    protected _filterCheckboxClicked(option: SimpleFilterOption<T>): void {
         if (this.selectedOptions().includes(option)) {
             this.selectedOptions.set(this.selectedOptions().filter(selectedOption => selectedOption !== option));
         } else {

src/lib/utils/constants.ts

@@ -15,6 +15,7 @@ export const ICONS = new Set([
     'edit',
     'expand',
     'failure',
+    'filter-list',
     'help-outline',
     'lanes',
     'list',