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next step towards interactive page switch

This commit is contained in:
Ted Unangst 2019-09-24 17:55:17 -04:00
parent c318eaed60
commit 8b600770d3
4 changed files with 69 additions and 33 deletions
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4
views/header.html
View File

@ -16,7 +16,7 @@
<body>
<header>
{{ if .UserInfo }}
<details>
<details id="topmenu">
<summary>menu</summary>
<p>
<ul>
@ -27,7 +27,7 @@
<summary>combos</summary>
<ul>
{{ range .Combos }}
<li><a href="/c/{{ . }}">{{ . }}</a>
<li><a class="combolink" href="/c/{{ . }}">{{ . }}</a>
{{ end }}
</ul>
</details>

5
views/honkpage.html
View File

@ -27,9 +27,10 @@
{{ if .HonkCSRF }}
<script>
var csrftoken = {{ .HonkCSRF }}
var topxid = { "{{ .PageName }}" : "{{ .TopXID }}" }
var honksforpage = { }
var thispagename = "{{ .PageName }}"
var curpagestate = { name: "{{ .PageName }}", arg : "{{ .PageArg }}" }
var topxid = { }
topxid[curpagestate.name + ":" + curpagestate.arg] = "{{ .TopXID }}"
</script>
<script src="/honkpage.js{{ .JSParam }}"></script>
{{ end }}

86
views/honkpage.js
View File

@ -65,7 +65,8 @@ function deackit(el, xid) {
}
function fillinhonks(xhr) {
var doc = xhr.responseXML
topxid[thispagename] = doc.children[0].children[1].children[0].innerText
var stash = curpagestate.name + ":" + curpagestate.arg
topxid[stash] = doc.children[0].children[1].children[0].innerText
var honks = doc.children[0].children[1].children[1].children
var honksonpage = document.getElementById("honksonpage")
var holder = honksonpage.children[0]
@ -73,14 +74,30 @@ function fillinhonks(xhr) {
for (var i = honks.length; i > 0; i--) {
holder.prepend(honks[i-1])
}
relinkconvoys()
relinklinks()
return lenhonks
}
function hydrargs() {
var name = curpagestate.name
var arg = curpagestate.arg
var args = { "page" : name }
if (name == "convoy") {
args["c"] = arg
} else if (name == "combo") {
console.log("loading combo " + arg)
args["c"] = arg
} else {
var stash = name + ":" + arg
args["topxid"] = topxid[stash]
}
return args
}
function refreshhonks(btn) {
btn.innerHTML = "refreshing"
btn.disabled = true
var args = { "page" : thispagename }
args["topxid"] = topxid[thispagename]
var args = hydrargs()
var stash = curpagestate.name + ":" + curpagestate.arg
args["topxid"] = topxid[stash]
get("/hydra?" + encode(args), function(xhr) {
var lenhonks = fillinhonks(xhr)
btn.innerHTML = "refresh"
@ -89,60 +106,71 @@ function refreshhonks(btn) {
})
}
function statechanger(evt) {
var name = evt.state
if (!name) {
var data = evt.state
if (!data) {
return
}
switchtopage(name)
switchtopage(data.name, data.arg)
}
function switchtopage(name, evt) {
function switchtopage(name, arg) {
var honksonpage = document.getElementById("honksonpage")
var holder = honksonpage.children[0]
holder.remove()
if (thispagename != "convoy") {
honksforpage[thispagename] = holder
// if not convoy, save current page
if (name != "convoy") {
var stash = curpagestate.name + ":" + curpagestate.arg
honksforpage[stash] = holder
}
thispagename = name
holder = honksforpage[name]
curpagestate.name = name
curpagestate.arg = arg
// get the holder for the target page
var stash = name + ":" + arg
holder = honksforpage[stash]
if (holder) {
honksonpage.prepend(holder)
} else {
// or create one and fill it
honksonpage.prepend(document.createElement("div"))
var args = { "page" : name }
if (name == "convoy") {
var c = evt.srcElement.text
args["c"] = c
} else {
args["topxid"] = topxid[name]
}
var args = hydrargs()
get("/hydra?" + encode(args), fillinhonks)
}
var topmenu = document.getElementById("topmenu")
topmenu.open = false
}
function pageswitcher(name) {
function newpagestate(name, arg) {
return { "name": name, "arg": arg }
}
function pageswitcher(name, arg) {
return function(evt) {
if (name == thispagename) {
console.log("switching to", name +":"+arg)
if (name == curpagestate.name && arg == curpagestate.arg) {
console.log("skipping nav")
return false
}
switchtopage(name, evt)
switchtopage(name, arg)
var url = evt.srcElement.href
history.pushState(name, "some title", url)
history.pushState(newpagestate(name, arg), "some title", url)
return false
}
}
function relinkconvoys() {
function relinklinks() {
var els = document.getElementsByClassName("convoylink")
for (var i = 0; i < els.length; i++) {
els[i].onclick = pageswitcher("convoy")
els[i].onclick = pageswitcher("convoy", els[i].text)
}
els = document.getElementsByClassName("combolink")
for (var i = 0; i < els.length; i++) {
els[i].onclick = pageswitcher("combo", els[i].text)
}
}
(function() {
var el = document.getElementById("homelink")
el.onclick = pageswitcher("home")
el.onclick = pageswitcher("home", "")
var el = document.getElementById("atmelink")
el.onclick = pageswitcher("atme")
relinkconvoys()
el.onclick = pageswitcher("atme", "")
relinklinks()
window.onpopstate = statechanger
history.replaceState(thispagename, "some title", "")
history.replaceState(curpagestate, "some title", "")
})();
(function() {
var el = document.getElementById("donkdescriptor")

7
web.go
View File

@ -546,8 +546,12 @@ func showcombo(w http.ResponseWriter, r *http.Request) {
honks = osmosis(honks, u.UserID)
templinfo := getInfo(r)
templinfo["PageName"] = "combo"
templinfo["PageArg"] = "name"
templinfo["ServerMessage"] = "honks by combo: " + name
templinfo["HonkCSRF"] = login.GetCSRF("honkhonk", r)
if len(honks) > 0 {
templinfo["TopXID"] = honks[0].XID
}
honkpage(w, u, honks, templinfo)
}
func showconvoy(w http.ResponseWriter, r *http.Request) {
@ -1415,6 +1419,9 @@ func webhydra(w http.ResponseWriter, r *http.Request) {
case "home":
honks = gethonksforuser(userid)
honks = osmosis(honks, userid)
case "combo":
c := r.FormValue("c")
honks = gethonksbycombo(userid, c)
case "convoy":
c := r.FormValue("c")
honks = gethonksbyconvoy(userid, c)