cityuni-webserver/index.js
Captain ALM c807754bea
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Add nav resize utility functions.
2022-08-17 18:27:13 +01:00

352 lines
11 KiB
JavaScript

/*
This file is (C) Captain ALM
Under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
*/
var EntryData = []
var EntryIndices = []
var SortOrderStateI = true
var SortOrderBStateI = true
var SortOrderEnabled = false
var SortValue = ""
var OrderValue = ""
function SetupJS() {
SetupIndexArray()
SetupJSTheme()
SetupJSHSO()
SetupJSSOI()
}
function CreateEntry(id, name, videourl, videotype, start, end, duration) {
EntryData[id] = {
name: name,
videourl: videourl,
videotype: videotype,
start: Date.parse(start),
end: Date.parse(end),
duration : parseInt(duration, 10)
};
}
function CreateVideoPlaceholder(id) {
var imgPH = document.createElement("img")
imgPH.src = PlayImageURL
imgPH.id = "play-"+id
imgPH.alt = "Play Video"
imgPH.title = "Play"
imgPH.width = 360
imgPH.style.cursor = "pointer"
if (document.addEventListener) {
imgPH.addEventListener("click", function () {ActivateVideo(id);})
} else {
imgPH.setAttribute("onclick", "ActivateVideo("+id+");")
imgPH.onclick = function () {ActivateVideo(id);}
}
document.getElementById("video-" + id).appendChild(imgPH)
}
function ActivateVideo(id) {
var holder = document.getElementById("video-" + id)
holder.removeChild(document.getElementById("play-"+id))
var vid = document.createElement("video")
vid.controls = true
vid.width = 360
var vids = document.createElement("source")
vids.src = EntryData[id].videourl
vids.type = EntryData[id].videotype
var vida = document.createElement("a")
vida.href = EntryData[id].videourl
vida.innerText = "The Video"
vid.appendChild(vids)
vid.appendChild(vida)
holder.appendChild(vid)
if (vid.play) {vid.play();}
}
function SetupIndexArray() {
for (var i = 0; i < EntryData.length; i++) {
EntryIndices[i] = i
}
}
function SetupJSTheme() {
var th = document.getElementById("theme")
th.href = "#"
if (document.addEventListener) {
th.addEventListener("click", ToggleTheme)
} else {
th.setAttribute("onclick", "ToggleTheme();")
th.onclick = ToggleTheme
}
}
function ReplaceHistory(url) {
var s = true
if (window.history) {
if (window.history.replaceState) {
window.history.replaceState({}, "", url)
s = false
}
}
if (s) {
document.location.href = url
}
}
function ToggleTheme() {
var th = document.getElementById("theme")
var thimg = document.getElementById("theme-img")
var thsty = document.getElementById("style-theme")
var logo = document.getElementById("logo")
var url = document.location.href
url = url.split("#", 1)[0].split('?', 1)[0]
if (document.getElementById("so-theme")) {
thimg.src = SunImageURL
thimg.alt = "()"
th.title = "Switch to Light Mode"
document.getElementById("so-form").removeChild(document.getElementById("so-theme"))
logo.href = "?"
ReplaceHistory(url+"?"+TheParameters+"#")
thsty.href = CssDarkURL
} else {
thimg.src = MoonImageURL
thimg.alt = "{"
th.title = "Switch to Dark Mode"
var thi = document.createElement("input")
thi.name = "light"
thi.type = "hidden"
thi.id = "so-theme"
document.getElementById("so-form").appendChild(thi)
logo.href = "?light"
if (TheParameters === "") {
ReplaceHistory(url+"?light#")
} else {
ReplaceHistory(url+"?light&"+TheParameters+"#")
}
thsty.href = CssLightURL
}
}
function SetupJSHSO() {
var pb = document.getElementById("sort-menu-button")
var pane = document.getElementById("so-pane")
if (document.addEventListener) {
document.addEventListener("click", HandleGlobalClick)
pb.addEventListener("mouseover", HandleSortOrderBEnter)
pb.addEventListener("mouseout", HandleSortOrderBLeave)
pane.addEventListener("mouseover", HandleSortOrderEnter)
pane.addEventListener("mouseout", HandleSortOrderLeave)
} else {
document.parentElement.setAttribute("onclick", "HandleGlobalClick();")
pb.setAttribute("onmouseover", "HandleSortOrderBEnter();")
pb.setAttribute("onmouseout", "HandleSortOrderBLeave();")
pane.setAttribute("onmouseover", "HandleSortOrderEnter();")
pane.setAttribute("onmouseout", "HandleSortOrderLeave();")
document.parentElement.onclick = HandleGlobalClick
pb.onmouseover = HandleSortOrderBEnter
pb.onmouseout = HandleSortOrderBLeave
pane.onmouseover = HandleSortOrderEnter
pane.onmouseout = HandleSortOrderLeave
}
}
function HandleGlobalClick() {
if (SortOrderStateI && SortOrderBStateI) {document.getElementById("sort-menu").checked = false;}
}
function HandleSortOrderBEnter() {
SortOrderBStateI = false
}
function HandleSortOrderBLeave(){
SortOrderBStateI = true
}
function HandleSortOrderEnter() {
SortOrderStateI = false
}
function HandleSortOrderLeave(){
SortOrderStateI = true
}
function SetupJSSOI() {
var submit = document.getElementById("so-submit")
if (submit.parentNode) {submit.parentNode.removeChild(submit);}
var oc = document.getElementById("so-order")
OrderValue = oc.value
var sc = document.getElementById("so-sort")
SortValue = sc.value
if (document.addEventListener) {
oc.addEventListener("change", HandleSortOrderChange)
sc.addEventListener("change", HandleSortOrderChange)
} else {
oc.setAttribute("onchange", "HandleSortOrderChange();")
sc.setAttribute("onchange", "HandleSortOrderChange();")
oc.onchange = HandleSortOrderChange
sc.onchange = HandleSortOrderChange
}
SortOrderEnabled = true
}
function HandleSortOrderChange() {
if (SortOrderEnabled) {EntrySort(document.getElementById("so-order").value, document.getElementById("so-sort").value);}
}
function EntrySort(o, s) {
var ts = s.toString().toLowerCase()
var chg = false
if (SortValue !== s) {
chg = true
SortValue = s
}
if (chg || OrderValue !== o) {
if (ts === "desc" || ts === "descending") {
ts = -1
} else {
ts = 1
}
var to = o.toString().toLowerCase()
if (to === "start") {
if (ts < 0) {
EntryIndices = EntryIndices.sort(SortStartD)
} else {
EntryIndices = EntryIndices.sort(SortStartA)
}
} else if (to === "end") {
if (ts < 0) {
EntryIndices = EntryIndices.sort(SortEndD)
} else {
EntryIndices = EntryIndices.sort(SortEndA)
}
} else if (to === "name") {
if (ts < 0) {
EntryIndices = EntryIndices.sort(SortNameD)
} else {
EntryIndices = EntryIndices.sort(SortNameA)
}
} else if (to === "duration") {
if (ts < 0) {
EntryIndices = EntryIndices.sort(SortDurationD)
} else {
EntryIndices = EntryIndices.sort(SortDurationA)
}
}
chg = true
OrderValue = o
}
if (chg) {
TheParameters = "order="+OrderValue+"&sort="+SortValue
var url = document.location.href
url = url.split("#", 1)[0].split('?', 1)[0]
if (document.getElementById("so-theme")) {
ReplaceHistory(url+"?light&"+TheParameters)
} else {
ReplaceHistory(url+"?"+TheParameters)
}
for (var i = 0; i < EntryIndices.length; i++) {
var tNode = document.getElementById("entry-"+EntryIndices[i])
var pNode = tNode.parentNode
tNode = pNode.removeChild(tNode)
pNode.appendChild(tNode)
}
}
}
function SortStartA(a, b) {
if (EntryData[a].start < EntryData[b].start) {
return -1
} else {
return 1
}
}
function SortStartD(a, b) {
if (EntryData[a].start > EntryData[b].start) {
return -1
} else {
return 1
}
}
function SortEndA(a, b) {
if (EntryData[a].end < EntryData[b].end) {
return -1
} else {
return 1
}
}
function SortEndD(a, b) {
if (EntryData[a].end > EntryData[b].end) {
return -1
} else {
return 1
}
}
function SortNameA(a, b) {
if (EntryData[a].name < EntryData[b].name) {
return -1
} else {
return 1
}
}
function SortNameD(a, b) {
if (EntryData[a].name > EntryData[b].name) {
return -1
} else {
return 1
}
}
function SortDurationA(a, b) {
if (EntryData[a].duration < EntryData[b].duration) {
return -1
} else {
return 1
}
}
function SortDurationD(a, b) {
if (EntryData[a].duration > EntryData[b].duration) {
return -1
} else {
return 1
}
}
function PerformNavResize() {
var ht = document.getElementsByTagName("html")
if (ht && ht.length > 0) {
var maxbarsz = ht[0].clientWidth - 324;
var men = document.getElementById("menu")
var vmen = document.getElementById("vmenu")
if (men && vmen) {
if (ht[0].clientWidth > 679) {
while (vmen.childNodes.length > 0) {InsertBefore(men, vmen.removeChild(vmen.childNodes[vmen.childNodes.length-1]));}
} else {
var vmeni
var mensz = 0
var menc = []
var imenc = 0
for (vmeni = 0; vmeni < vmen.childNodes.length; vmeni++) {
if (vmen.childNodes[vmeni].nodeType === Node.ELEMENT_NODE) {
if (mensz+vmen.childNodes[vmeni].clientWidth > maxbarsz) {menc[imenc] = vmen.childNodes[vmeni]; imenc++;}
mensz += vmen.childNodes[vmeni].clientWidth
}
}
if (menc.length > 0) {
for (vmeni = 0; vmeni < menc.length; vmeni++) {vmen.removeChild(menc[vmeni]);}
for (vmeni = menc.length - 1; vmeni >= 0; vmeni--) {InsertBefore(men, menc[vmeni]);}
} else {
for (vmeni = 0; vmeni < men.childNodes.length; vmeni++) {
if (men.childNodes[vmeni].nodeType === Node.ELEMENT_NODE) {
var mena = GetFirstSubElement(men.childNodes[vmeni], 0)
var menaw = GetNavTextWidth(mena.textContent)
if (mensz+menaw <= maxbarsz) {menc[imenc] = men.childNodes[vmeni]; imenc++;}
mensz += menaw
}
}
for (vmeni = 0; vmeni < menc.length; vmeni++) {vmen.appendChild(men.removeChild(menc[vmeni]));}
}
}
}
}
}
function GetFirstSubElement(t,r) {
for (var gfsei = 0; gfsei < t.childNodes.length; gfsei++) {
if (t.childNodes[gfsei].nodeType === Node.ELEMENT_NODE) {
if (r < 1) {return t.childNodes[gfsei];} else {return GetFirstSubElement(t.childNodes[gfsei], r - 1);}
}
}
return t
}
function InsertBefore(p,c) {
if (p.childNodes > 0) {p.insertBefore(c, p.childNodes[0]);} else {p.appendChild(c);}
}
function GetNavTextWidth(s) {
var st = document.getElementById("st")
if (st) {
st.textContent = s
var trw = st.clientWidth
st.textContent = ""
return trw
}
return 8 * s.length + 32
}