@bokeh/bokehjs/build/js/lib/models/dom/template.js

Interactive, novel data visualization

import { DOMElement, DOMElementView } from "./dom_element";
import { Action } from "./action";
import { PlaceholderView } from "./placeholder";
import { build_views, remove_views, traverse_views } from "../../core/build_views";
export class TemplateView extends DOMElementView {
    static __name__ = "TemplateView";
    _action_views = new Map();
    get actions() {
        return this.model.actions;
    }
    get action_views() {
        return this.actions.map((model) => this._action_views.get(model)).filter((view) => view != null);
    }
    async _update_actions() {
        await build_views(this._action_views, this.actions);
    }
    *children() {
        yield* super.children();
        yield* this.action_views;
    }
    async lazy_initialize() {
        await super.lazy_initialize();
        await this._update_actions();
    }
    remove() {
        remove_views(this._action_views);
        super.remove();
    }
    update(source, i, vars, formatters) {
        traverse_views([this], (view) => {
            if (view instanceof PlaceholderView) {
                view.update(source, i, vars, formatters);
            }
        });
        for (const action of this.action_views) {
            action.update(source, i, vars);
        }
    }
}
export class Template extends DOMElement {
    static __name__ = "Template";
    static {
        this.prototype.default_view = TemplateView;
        this.define(({ List, Ref }) => ({
            actions: [List(Ref(Action)), []],
        }));
    }
}
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