151 lines
4.8 KiB
TypeScript

// (C) Copyright 2015 Moodle Pty Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import { Component, ViewChild, ElementRef, Input, OnInit } from '@angular/core';
import { FormControl } from '@angular/forms';
import { CoreFileUploader } from '@features/fileuploader/services/fileuploader';
import { CoreSites } from '@services/sites';
import { CoreDomUtils } from '@services/utils/dom';
import { ModalController, Translate } from '@singletons';
import { AddonModForumData, AddonModForumPost, AddonModForumReply } from '@addons/mod/forum/services/forum';
import { AddonModForumHelper } from '@addons/mod/forum/services/forum-helper';
import { CoreForms } from '@singletons/form';
import { CoreFileEntry } from '@services/file-helper';
/**
* Page that displays a form to edit discussion post.
*/
@Component({
selector: 'addon-mod-forum-edit-post',
templateUrl: 'edit-post.html',
})
export class AddonModForumEditPostComponent implements OnInit {
@ViewChild('editFormEl') formElement!: ElementRef;
@Input() component!: string; // Component this post belong to.
@Input() componentId!: number; // Component ID.
@Input() forum!: AddonModForumData; // The forum the post belongs to. Required for attachments and offline posts.
@Input() post!: AddonModForumPost;
messageControl = new FormControl();
advanced = false; // Display all form fields.
replyData!: AddonModForumReply;
originalData!: Omit<AddonModForumReply, 'id'>; // Object with the original post data. Usually shared between posts.
protected forceLeave = false; // To allow leaving the page without checking for changes.
ngOnInit(): void {
// @todo Override android back button to show confirmation before dismiss.
this.replyData = {
id: this.post.id,
subject: this.post.subject,
message: this.post.message,
files: this.post.attachments || [],
};
// Delete the local files from the tmp folder if any.
CoreFileUploader.clearTmpFiles(this.replyData.files as CoreFileEntry[]);
// Update rich text editor.
this.messageControl.setValue(this.replyData.message);
// Update original data.
this.originalData = {
subject: this.replyData.subject,
message: this.replyData.message,
files: this.replyData.files.slice(),
};
// Show advanced fields if any of them has not the default value.
this.advanced = this.replyData.files.length > 0;
}
/**
* Message changed.
*
* @param text The new text.
*/
onMessageChange(text: string): void {
this.replyData.message = text;
}
/**
* Close modal.
*
* @param data Data to return to the page.
*/
async closeModal(data?: AddonModForumReply): Promise<void> {
const confirmDismiss = await this.confirmDismiss();
if (!confirmDismiss) {
return;
}
if (data) {
CoreForms.triggerFormSubmittedEvent(this.formElement, false, CoreSites.getCurrentSiteId());
} else {
CoreForms.triggerFormCancelledEvent(this.formElement, CoreSites.getCurrentSiteId());
}
ModalController.dismiss(data);
}
/**
* Reply to this post.
*
* @param e Click event.
*/
reply(e: Event): void {
e.preventDefault();
e.stopPropagation();
// Close the modal, sending the input data.
this.forceLeave = true;
this.closeModal(this.replyData);
}
/**
* Show or hide advanced form fields.
*/
toggleAdvanced(): void {
this.advanced = !this.advanced;
}
/**
* Check if we can leave the page or not.
*
* @return Resolved if we can leave it, rejected if not.
*/
private async confirmDismiss(): Promise<boolean> {
if (this.forceLeave || !AddonModForumHelper.hasPostDataChanged(this.replyData, this.originalData)) {
return true;
}
try {
// Show confirmation if some data has been modified.
await CoreDomUtils.showConfirm(Translate.instant('core.confirmcanceledit'));
// Delete the local files from the tmp folder.
CoreFileUploader.clearTmpFiles(this.replyData.files as CoreFileEntry[]);
return true;
} catch (error) {
return false;
}
}
}