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Restart timer

 
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daspamer
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PostPosted: Fri Jul 25, 2014 1:25 pm    Post subject: Restart timer Reply with quote
Hey,
If I have a timer that updates GUI after 4 seconds.
And I update GUI manually after 2 seconds (means 2 more seconds until timer updates it), can I 'restart' the timer? if so, then how?
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Dark Byte
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PostPosted: Fri Jul 25, 2014 1:45 pm    Post subject: Reply with quote
Set Enabled to false and then back to true again
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daspamer
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PostPosted: Fri Jul 25, 2014 2:02 pm    Post subject: Reply with quote
Ok, thanks perfect.
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mgr.inz.Player
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PostPosted: Sat Jul 26, 2014 6:38 am    Post subject: Reply with quote
I'm also using "restart timer" thing very often.

For example I used this in my, very first version, table for DS II ("Items List" script):
Code:
function CEEdit1Change(sender)
  if itemsTable==nil then return end

  filteredTable = {}

  local filter = UDF1.CEEdit1.Text

  for i,v in ipairs(itemsTable) do
    if v.name:upper():match(filter:upper()) then
     filteredTable[#filteredTable+1] = v
    end
  end

  UDF1.ShownItemsLabel.Caption = 'count: '..#filteredTable
  fillList(UDF1.CEListBox1,filteredTable)

end

CEEdit1 is used to filter out other items, those which doesn't match.

Because I didn't want another "OK" button, I called fillList function inside CEEdit1Change. This fillList function clears ListBox and then fills it again. It has one unpleasant effect: for every typed letter ListBox is refreshed. Sometimes those calls are stacked (user already typed in whole word very fast and list still will blink one or two times).

I resolved this problem by using timer:
Code:
if filterDelayTimer ~= nil then filterDelayTimer.destroy(); filterDelayTimer=nil end
filterDelayTimer = createTimer(nil,false)
filterDelayTimer.Interval = 500
filterDelayTimer.OnTimer =
  function (t) t.Enabled=false; fillList(UDF1.CEListBox1,filteredTable) end

function CEEdit1Change(sender)
  if itemsTable==nil then return end

  filteredTable = {}

  local filter = UDF1.CEEdit1.Text

  for i,v in ipairs(itemsTable) do
    if v.name:upper():match(filter:upper()) then
     filteredTable[#filteredTable+1] = v
    end
  end

  UDF1.ShownItemsLabel.Caption = 'count: '..#filteredTable
  filterDelayTimer.Enabled=false
  filterDelayTimer.Enabled=true

end


The above is exactly "set Enabled to false and then back to true again". ListBox is refreshed with 500ms delay. I left only visual thing which is immediately refreshed: ShownItemsLabel
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