64 lines
1.9 KiB
TypeScript
64 lines
1.9 KiB
TypeScript
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// (C) Copyright 2015 Moodle Pty Ltd.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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import { Directive, OnDestroy } from '@angular/core';
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import { IonContent } from '@ionic/angular';
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/**
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* Directive to move ion-fab components as direct children of the nearest ion-content.
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*
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* Example usage:
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*
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* <ion-fab core-fab>
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*/
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@Directive({
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selector: 'ion-fab[core-fab]',
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})
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export class CoreFabDirective implements OnDestroy {
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protected static readonly PADDINGBOTTOM = 56;
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protected element?: HTMLElement;
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protected done = false;
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constructor(protected content: IonContent) {
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this.asyncInit();
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}
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/**
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* Initialize Component.
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*/
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async asyncInit(): Promise<void> {
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if (this.content) {
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this.element = await this.content.getScrollElement();
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if (!this.done) {
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const bottom = parseInt(this.element.style.paddingBottom, 10) || 0;
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this.element.style.paddingBottom = (bottom + CoreFabDirective.PADDINGBOTTOM) + 'px';
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this.done = true;
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}
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}
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}
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/**
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* Destroy component.
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*/
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ngOnDestroy(): void {
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if (this.done && this.element) {
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const bottom = parseInt(this.element.style.paddingBottom, 10) || 0;
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this.element.style.paddingBottom = (bottom + CoreFabDirective.PADDINGBOTTOM) + 'px';
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}
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}
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}
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