47 lines
1.6 KiB
Text
47 lines
1.6 KiB
Text
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# Timer used for highlight UI elements
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var HighlightTimer = {
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_elementList : {},
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_highlightTimer : nil,
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_timerPeriod : 0.5,
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# Start highlighting an element for period time. Use -1 period argument to
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# highlight until explicitly stopped by a call to stopHighlight.
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startHighlight : func(element, period) {
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me._elementList[element.getName()] = { Element: element, FlashCount : int(period / me._timerPeriod) };
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if (me._highlightTimer == nil) {
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me._highlightTimer = maketimer(me._timerPeriod, me, me.flashElements);
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me._highlightTimer.singleShot = 0;
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}
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if (me._highlightTimer.isRunning == 0) {
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me._highlightTimer.restart(me._timerPeriod);
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}
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},
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stopHighlight : func(element) {
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# Set the flashcount to 0 so that it is unhighlighted below.
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if (me._elementList[element.getName()] != nil) me._elementList[element.getName()].FlashCount = 0;
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#delete(me._elementList, element.getName());
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},
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flashElements : func() {
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foreach (var element_name; keys(me._elementList)) {
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if (me._elementList[element_name] == nil) continue;
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var element = me._elementList[element_name].Element;
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var flashCount = me._elementList[element_name].FlashCount;
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if (flashCount == 0) {
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# Calling unhighlightElement will also stop the timer, as it calls stopHighlight, above
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if (element.isHighlighted() == 1) element.unhighlightElement();
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} else {
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me._elementList[element_name].FlashCount = flashCount - 1;
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element._flashElement();
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}
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}
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if (size(me._elementList) == 0) me._highlightTimer.stop();
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},
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};
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