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import { Type } from 'main.core';
import { EventEmitter, BaseEvent } from 'main.core.events';
import { Uploader, UploaderFile, UploaderOptions } from 'ui.uploader.core';
import { ref, shallowRef, VueRefValue } from 'ui.vue3';
/**
* @memberof BX.UI.Uploader
*/
export default class VueAdapter extends EventEmitter
{
#uploader: Uploader = null;
#items: VueRefValue<Array> = null;
#uploaderError = null;
constructor(uploaderOptions: UploaderOptions)
{
super();
this.setEventNamespace('BX.UI.Uploader.Vue.Adapter');
this.#items = ref([]);
this.#uploaderError = shallowRef(null);
const options = Type.isPlainObject(uploaderOptions) ? Object.assign({}, uploaderOptions) : {};
const userEvents = options.events;
options.events = {
'File:onAddStart': this.#handleFileAdd.bind(this),
'File:onRemove': this.#handleFileRemove.bind(this),
'File:onStateChange': this.#handleFileStateChange.bind(this),
'onError': this.#handleError.bind(this),
'onUploadStart': this.#handleUploadStart.bind(this),
'onUploadComplete': this.#handleUploadComplete.bind(this),
};
this.#uploader = new Uploader(options);
this.#uploader.subscribeFromOptions(userEvents);
}
getUploader(): Uploader
{
return this.#uploader;
}
getItems(): VueRefValue<Array>
{
return this.#items;
}
getUploaderError(): VueRefValue<Object>
{
return this.#uploaderError;
}
#getItemsArray(): Array
{
return this.#items.value;
}
#getItem(id): { [key: string]: any }
{
return this.#getItemsArray().find(item => item.id === id);
}
#handleFileAdd(event: BaseEvent): void
{
const { file } = event.getData();
const item = file.getState();
this.#getItemsArray().push(item);
this.emit('Item:onAdd', { item });
}
#handleFileRemove(event: BaseEvent): void
{
const { file } = event.getData();
const position = this.#getItemsArray().findIndex(fileInfo => fileInfo.id === file.getId());
if (position >= 0)
{
const result = this.#getItemsArray().splice(position, 1);
this.emit('Item:onRemove', { item: result[0] });
}
}
#handleFileStateChange(event: BaseEvent): void
{
const { file } = event.getData();
const item = this.#getItem(file.getId());
if (item)
{
Object.assign(item, file.getState());
}
}
#handleError(event: BaseEvent): void
{
const { error } = event.getData();
this.#uploaderError.value = error.toJSON();
this.emit('Uploader:onError', event);
}
#handleUploadStart(event: BaseEvent): void
{
this.emit('Uploader:onUploadStart', event);
}
#handleUploadComplete(event: BaseEvent): void
{
this.emit('Uploader:onUploadComplete', event);
}
}