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Add the TKRangeSelect class #6

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Add the TKRangeSelect class #6

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27 changes: 27 additions & 0 deletions TangleKit/TangleKit.js
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Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,33 @@ Tangle.classes.TKIf = {
};


//----------------------------------------------------------
//
// TKRangeSelect
//
// Chooses between a range of numbers, changing with each click.
//
// By default, the range is from 0 to the number of children of the element.
//
// Attributes: data-min (optional): minimum value
// data-max (optional): maximum value

Tangle.classes.TKRangeSelect = {

initialize: function (element, options, tangle, variable) {
element.addEvent("click", function (event) {
var minRange = (options.min == undefined) ? 0 : options.min;
var maxRange = (options.max == undefined) ? (element.getChildren().length - 1) : options.max;
var curValue = tangle.getValue(variable);
var nextValue = curValue + 1;

if (nextValue > maxRange) nextValue = minRange;
tangle.setValue(variable, nextValue);
});
}
};


//----------------------------------------------------------
//
// TKSwitch
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