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path: root/src/zenserver/frontend/html/pages/page.js
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// Copyright Epic Games, Inc. All Rights Reserved.

"use strict";

import { WidgetHost } from "../util/widgets.js"

////////////////////////////////////////////////////////////////////////////////
export class PageBase extends WidgetHost
{
	constructor(parent, params)
	{
		super(parent)
		this._params = params;
	}

	set_title(name)
	{
		var value = document.title;
		if (name.length && value.length)
			name = value + " - " + name;
		document.title = name;
	}

	get_param(name, fallback=undefined)
	{
		var ret = this._params.get(name);
		if (ret != undefined)
			return ret;

		if (fallback != undefined)
			this.set_param(name, fallback);

		return fallback;
	}

	set_param(name, value, update=true)
	{
		this._params.set(name, value);
		if (!update)
			return value;

		const url = new URL(window.location);
		for (var [key, xfer] of this._params)
			url.searchParams.set(key, xfer);
		history.replaceState(null, "", url);

		return value;
	}

	reload()
	{
		window.location.reload();
	}
}



////////////////////////////////////////////////////////////////////////////////
export class ZenPage extends PageBase
{
	constructor(parent, ...args)
	{
		super(parent, ...args);
		super.set_title("zen");
		this.add_branding(parent);
		this.generate_crumbs();
	}

	add_branding(parent)
	{
		var root = parent.tag().id("branding");

		const zen_store = root.tag("pre").id("logo").text(
			"_________            _______ __\n" +
			"\\____   /___   ___  /   ___//  |__ ___ ______  ____\n" +
			"  /  __/ __ \\ /   \\ \\___  \\\\_  __//   \\\\_    \\/ __ \\\n" +
			" /     \\  __//  |  \\/      \\|  | (  -  )|  |\\/\\  __/\n" +
			"/______/\\___/\\__|__/\\______/|__|  \\___/ |__|   \\___|"
		);
		zen_store.tag().id("go_home").on_click(() => window.location.search = "");

		root.tag("img").attr("src", "favicon.ico").id("ue_logo");

		/*
		_________            _______ __
		\____   /___   ___  /   ___//  |__ ___ ______  ____
		  /  __/ __ \ /   \ \___  \\_  __//   \\_    \/ __ \
		 /     \  __//  |  \/      \|  | (  -  )|  |\/\  __/
		/______/\___/\__|__/\______/|__|  \___/ |__|   \___|
		*/
	}

	set_title(...args)
	{
		super.set_title(...args);
	}

	generate_crumbs()
	{
		const auto_name = this.get_param("page") || "start";
		if (auto_name == "start")
			return;

		const crumbs = this.tag().id("crumbs");
		const new_crumb = function(name, search=undefined) {
			crumbs.tag();
			var crumb = crumbs.tag().text(name);
			if (search != undefined)
				crumb.on_click((x) => window.location.search = x, search);
		};

		new_crumb("home", "");

		var project = this.get_param("project");
		if (project != undefined)
		{
			var oplog = this.get_param("oplog");
			if (oplog != undefined)
			{
				new_crumb("project", `?page=project&project=${project}`);
				if (this.get_param("opkey"))
					new_crumb("oplog", `?page=oplog&project=${project}&oplog=${oplog}`);
			}
		}

		new_crumb(auto_name.toLowerCase());
	}
}