devextreme/esm/__internal/ui/chat/file_view/file_view.js

JavaScript/TypeScript Component Suite for Responsive Web Development

/**
 * DevExtreme (esm/__internal/ui/chat/file_view/file_view.js)
 * Version: 25.2.5
 * Build date: Fri Feb 20 2026
 *
 * Copyright (c) 2012 - 2026 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */
import messageLocalization from "../../../../common/core/localization/message";
import $ from "../../../../core/renderer";
import DOMComponent from "../../../core/widget/dom_component";
import File from "../../../ui/chat/file_view/file";
export const CHAT_FILE_VIEW_CLASS = "dx-chat-file-view";
class FileView extends DOMComponent {
    constructor() {
        super(...arguments);
        this._fileInstances = []
    }
    _getDefaultOptions() {
        return Object.assign({}, super._getDefaultOptions(), {
            files: [],
            activeStateEnabled: true,
            focusStateEnabled: true,
            hoverStateEnabled: true
        })
    }
    _initMarkup() {
        this.$element().addClass("dx-chat-file-view");
        super._initMarkup();
        this._renderItems();
        this._toggleAria()
    }
    _renderItems() {
        const {
            files: files = []
        } = this.option();
        this._clearFileInstances();
        files.forEach((file => {
            this._renderItem(file)
        }))
    }
    _renderItem(data) {
        const $file = $("<div>");
        const fileInstance = this._createComponent($file, File, this._getFileConfig(data));
        this.$element().append($file);
        this._fileInstances.push(fileInstance)
    }
    _getFileConfig(data) {
        const {
            activeStateEnabled: activeStateEnabled,
            focusStateEnabled: focusStateEnabled,
            hoverStateEnabled: hoverStateEnabled,
            onDownload: onDownload
        } = this.option();
        const configuration = {
            data: data,
            activeStateEnabled: activeStateEnabled,
            focusStateEnabled: focusStateEnabled,
            hoverStateEnabled: hoverStateEnabled,
            onDownload: onDownload
        };
        return configuration
    }
    _toggleAria() {
        const {
            files: files
        } = this.option();
        const applyAria = Boolean(null === files || void 0 === files ? void 0 : files.length);
        const aria = {
            role: applyAria ? "list" : null,
            "aria-label": applyAria ? messageLocalization.format("dxChat-fileViewLabel") : null
        };
        this.$element().attr(aria)
    }
    _clearFileInstances() {
        var _this$_fileInstances;
        null === (_this$_fileInstances = this._fileInstances) || void 0 === _this$_fileInstances || _this$_fileInstances.forEach((instance => {
            instance.dispose()
        }));
        this._fileInstances = [];
        this.$element().empty()
    }
    _dispose() {
        this._clearFileInstances();
        super._dispose()
    }
    _optionChanged(args) {
        const {
            name: name
        } = args;
        switch (name) {
            case "activeStateEnabled":
            case "focusStateEnabled":
            case "hoverStateEnabled":
            case "onDownload":
                this._renderItems();
                break;
            case "files":
                this._renderItems();
                this._toggleAria();
                break;
            default:
                super._optionChanged(args)
        }
    }
}
export default FileView;