janishutz-legacy/impress.js
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"goto now accepts more types of parameters: numbers, id strings and DOM elements"

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Bartek Szopka
2012-03-14 22:06:57 +00:00
parent 1a21865ea6
commit 9d99c03392
3 changed files with 18 additions and 5 deletions
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14
js/impress.js
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@@ -356,10 +356,18 @@
triggerEvent(root, "impress-init", { api: roots[ "impress-root-" + rootId ] });
};
var getStep = function ( step ) {
if (typeof step === "number") {
step = step < 0 ? steps[ steps.length + step] : steps[ step ];
} else if (typeof step === "string") {
step = byId(step);
}
return (step && step.id && stepsData["impress-" + step.id]) ? step : null;
};
var goto = function ( el, force ) {
if ( !initialized ||
!(el && el.id && stepsData["impress-" + el.id]) || // element is not a step
(el === activeStep && !force) ) {
if ( !initialized || !(el = getStep(el)) || (el === activeStep && !force) ) {
// selected element is not defined as step or is already active
return false;
}