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'use strict'
function call(method, params) {
return m.request({
method: "POST",
url: `/api/${method}`,
body: params,
})
}
let BrowseModel = {
path: undefined,
subdirectories: [],
entries: [],
async reload(path) {
if (this.path !== path) {
this.path = path
this.subdirectories = []
this.entries = []
}
let resp = await call('browse', {path: path})
this.subdirectories = resp.subdirectories
this.entries = resp.entries
},
joinPath(parent, child) {
if (!parent)
return child
if (!child)
return parent
return `${parent}/${child}`
},
getBrowseLinks() {
if (this.path === undefined)
return []
let links = [{name: "Root", path: "", level: -1}], path
for (const crumb of this.path.split('/').filter(s => !!s)) {
path = this.joinPath(path, crumb)
links.push({name: crumb, path: path, level: -1})
}
links[links.length - 1].level = 0
for (const sub of this.subdirectories) {
links.push(
{name: sub, path: this.joinPath(this.path, sub), level: +1})
}
return links
},
}
let BrowseLink = {
view(vnode) {
const link = vnode.attrs.link
let c = 'selected'
if (link.level < 0)
c = 'parent'
if (link.level > 0)
c = 'child'
return m('li', {
class: c,
}, m(m.route.Link, {
href: `/browse/:key`,
params: {key: link.path},
}, link.name))
},
}
let BrowseView = {
// So that Page Up/Down, etc., work after changing directories.
// Programmatically focusing a scrollable element requires setting tabindex,
// and causes :focus-visible on page load, which we suppress in CSS.
// I wish there was another way, but the workaround isn't particularly bad.
// focus({focusVisible: true}) is FF 104+ only and experimental.
oncreate(vnode) { vnode.dom.focus() },
view(vnode) {
return m('.browser[tabindex=0]', {
key: BrowseModel.path,
}, BrowseModel.entries.map(e => {
return m(m.route.Link, {href: `/view/${e.sha1}`},
m('img', {src: `/thumb/${e.sha1}`,
width: e.thumbW, height: e.thumbH, title: e.name}))
}))
},
}
let Browse = {
// Reload the model immediately, to improve responsivity.
// But we don't need to: https://mithril.js.org/route.html#preloading-data
// Also see: https://mithril.js.org/route.html#route-cancellation--blocking
oninit(vnode) {
let path = vnode.attrs.key || ""
BrowseModel.reload(path)
},
view(vnode) {
return m('.container', {}, [
m('.header', {}, "Browser"),
m('.body', {}, [
m('ul.sidebar', BrowseModel.getBrowseLinks().map(link =>
m(BrowseLink, {link}))),
m(BrowseView),
]),
])
},
}
let ViewModel = {
sha1: undefined,
paths: [],
tags: {},
async reload(sha1) {
this.sha1 = sha1
this.paths = []
this.tags = {}
let resp = await call('info', {sha1: sha1})
this.paths = resp.paths
this.tags = resp.tags
},
}
let View = {
oninit(vnode) {
let sha1 = vnode.attrs.key || ""
ViewModel.reload(sha1)
},
view(vnode) {
const view = m('.view', [
ViewModel.sha1 !== undefined
? m('img', {src: `/image/${ViewModel.sha1}`})
: "No image.",
])
const viewbar = m('.viewbar', [
m('h2', "Locations"),
m('ul', ViewModel.paths.map(sd => m('li', sd))),
m('h2', "Tags"),
Object.entries(ViewModel.tags).map(([group, tags]) => [
m("h3", group),
m("ul", Object.entries(tags).map(
([tag, weight]) => m("li", `${tag}: ${weight}`))),
]),
])
return m('.container', {}, [
m('.header', {}, "View"),
m('.body', {}, [
view,
viewbar,
]),
])
},
}
window.addEventListener('load', () => {
m.route(document.body, "/browse/", {
// The path doesn't need to be escaped, perhaps change that (":key...").
"/browse/": Browse,
"/browse/:key": Browse,
"/view/:key": View,
"/similar/:sha1": undefined,
"/tags": undefined,
"/tags/:space": undefined,
"/tags/:space/:tag": undefined,
})
})
|
