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// Copyright Epic Games, Inc. All Rights Reserved.
"use strict";
import { ZenPage } from "./page.js"
import { Friendly } from "../util/friendly.js"
import { ProgressBar } from "../util/widgets.js"
import { create_indexer } from "../indexer/indexer.js"
////////////////////////////////////////////////////////////////////////////////
export class Page extends ZenPage
{
main()
{
const project = this.get_param("project");
const oplog = this.get_param("oplog");
const sort_by = this.get_param("sort", -1);
this._indexer = this._load_indexer(project, oplog);
this.set_title("tree - " + oplog);
const section = this.add_section(project + " - " + oplog);
this._create_tree(section);
this._expand(this._root);
this._activate_sort_header(-1, sort_by);
}
_create_tree(section)
{
const list = section.tag().id("tree_root").tag("ul");
const root = list.tag("li");
root.attr("part", "/");
const header = root.tag();
header.tag().text("/");
this._sort_headers = [
header.tag().text("size").on_click(() => this._change_sort(0)),
header.tag().text("rawsize").on_click(() => this._change_sort(1)),
header.tag().text("count").on_click(() => this._change_sort(2)),
];
this._root = root;
}
async _load_indexer(project, oplog)
{
const progress_bar = this.add_widget(ProgressBar);
progress_bar.set_progress("indexing");
var indexer = create_indexer(project, oplog, (...args) => {
progress_bar.set_progress(...args);
});
indexer = await indexer;
progress_bar.destroy();
return indexer;
}
async _expand(node)
{
var prefix = "";
for (var item = node;; item = item.parent())
{
if (item.is("div")) break;
if (!item.is("li")) continue;
prefix = item.attr("part") + prefix;
}
const indexer = await this._indexer;
const new_nodes = new Object();
for (var [name, size, raw_size] of indexer.enum_all())
{
if (!name.startsWith(prefix))
continue;
name = name.substr(prefix.length);
const slash = name.indexOf("/");
if (slash != -1)
name = name.substr(0, slash + 1);
if (new_nodes[name] !== undefined)
{
new_nodes[name][0] += size;
new_nodes[name][1] += raw_size;
new_nodes[name][2] += 1;
}
else
new_nodes[name] = [size, raw_size, 1];
}
var sort_by = this.get_param("sort", -1)|0;
sort_by = Math.min(Math.max(sort_by, -1), 3);
const sorted_keys = Object.keys(new_nodes).sort((l, r) => {
const is_node_l = l.endsWith("/");
const any_nodes = is_node_l + r.endsWith("/");
if (any_nodes == 1) return is_node_l ? -1 : 1;
if (sort_by >= 0) return (new_nodes[r][sort_by] - new_nodes[l][sort_by]);
return r < l;
})
const list = node.tag("ul");
for (const name of sorted_keys)
{
const item = list.tag("li").attr("part", name);
const info = item.tag();
const label = info.tag().text(name);
for (var i = 0; i < 2; ++i)
{
const size = Friendly.kib(new_nodes[name][i]);
info.tag().text(size);
}
if (name.endsWith("/"))
{
const count = Friendly.sep(new_nodes[name][2]);
info.tag().text(count);
label.on_click((x) => this.expand_collapse(x), item);
continue;
}
item.attr("leaf", "");
label.link("", {
"page" : "entry",
"project" : this.get_param("project"),
"oplog" : this.get_param("oplog"),
"opkey" : prefix + name,
});
info.tag();
}
node.attr("expanded", "")
}
_collapse(node)
{
node.first_child().next_sibling().destroy();
node.attr("expanded", null);
}
expand_collapse(node)
{
if (node.attr("expanded") === null)
return this._expand(node);
return this._collapse(node);
}
_activate_sort_header(current, next)
{
const impl = (index, is_on) => {
if (index >= 0 && index < this._sort_headers.length)
this._sort_headers[index].attr("active", is_on ? "" : null);
};
impl(current, false);
impl(next, true);
}
_change_sort(sort_by)
{
const current = this.get_param("sort");
if (current == sort_by)
sort_by = -1;
this._activate_sort_header(current, sort_by);
this.set_param("sort", sort_by);
for (var node = this._root.first_child(); node;)
{
const next = node.next_sibling();
if (node.is("ul"))
node.destroy();
node = next;
}
this._expand(this._root);
}
}
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