karax/example.nim
2017-03-31 14:00:23 +02:00

89 lines
2.2 KiB
Nim

import vdom, karax, karaxdsl, jdict, jstrutils
when false:
var plugins {.exportc.}: seq[(string, proc())] = @[]
proc onInput(val: cstring) =
kout val
if val == "dyn":
let body = getElementById("body")
body.prepend(tree("script", [("type", "text/javascript"), ("src", "nimcache/dyn.js")]))
redraw()
kout(plugins.len)
if plugins.len > 0:
plugins[0][1]()
var
entries: seq[cstring]
selectedEntry = -1
proc onTodoEnter(val: cstring) =
entries.add val
proc removeHandler(ev: Event; n: VNode) =
let id = suffixAsInt(n.id, "remove:")
#entries.delete(id)
entries[id] = nil
proc editHandler(ev: Event; n: VNode) =
let id = suffixAsInt(n.id, "edit:")
selectedEntry = id
when defined(usecache):
var entryCache = newJDict[int, VNode]()
proc editInput(i: int; d: cstring): VNode =
proc onTodoChange(val: cstring) =
entries[i] = val
selectedEntry = -1
result = enterInput("todo-edit", d, onTodoChange)
result.setOnfocuslost(proc (ev: Event; n: VNode) = selectedEntry = -1)
proc createEntry(i: int; d: cstring; selected: bool): VNode =
# implement caching:
when defined(usecache):
if entryCache.contains(i):
let old = entryCache[i]
return old
result = buildHtml(tr) do:
td(id="edit:" & $i, onclick=editHandler):
if selected:
editInput(i, d)
else:
text d
td:
span(id="remove:" & $i, onclick=removeHandler):
text "[remove]"
when defined(usecache):
entryCache[i] = result
proc createDom(): VNode =
result = buildHtml(tdiv) do:
tdiv(id = "sheader"):
#text "plugin"
#realtimeInput("by-name", "", onInput)
#br()
text cstring"todo"
enterInput("todo-input", "", onTodoEnter)
var entriesCount = 0
table(class = "wl"):
for i, d in entries:
if d != nil:
createEntry(i, d, i == selectedEntry)
inc entriesCount
tdiv(id = "footer"):
text cstring"Entries: " & &entriesCount
proc onAllDone(ev: Event; n: VNode) =
entries = @[]
selectedEntry = -1
button "All done!", onAllDone, entriesCount == 0 or selectedEntry >= 0
setRenderer createDom
proc onload(session: cstring) {.exportc.} =
for i in 0..10_000:
entries.add("Entry " & $i)
redraw()