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Added movestart and movestop events. #34

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Added movestart and movestop events. #34

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3 changes: 3 additions & 0 deletions docs/index.html
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Original file line number Diff line number Diff line change
Expand Up @@ -438,6 +438,7 @@ <h2>Initialize options</h2>
<li><strong>trackSize: false</strong> -- Set the size of the scrollbar to auto(false) or a fixed number.</li>
<li><strong>thumbSize: false</strong> -- Set the size of the thumb to auto(false) or a fixed number.</li>
<li><strong>scrollInvert: false</strong> -- Inverts the direction of scrolling.</li>
<li><strong>moveStopThreshold: 300</strong> -- Number of milliseconds without any 'move' event to trigger the 'movestop' event.</li>
</ul>

<h2>Properties</h2>
Expand Down Expand Up @@ -496,6 +497,8 @@ <h2>Events</h2>

<ul class="list">
<li><strong>move</strong> -- The move event will trigger on every drag or scroll.</li>
<li><strong>movestart</strong> -- The move event will trigger on every drag or scroll start.</li>
<li><strong>movestop</strong> -- The move event will trigger on every drag or scroll end.</li>
</ul>
</section>
</article>
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34 changes: 34 additions & 0 deletions lib/jquery.tinyscrollbar.js
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@
, scrollInvert : false // Enable invert style scrolling
, trackSize : false // Set the size of the scrollbar to auto or a fixed number.
, thumbSize : false // Set the size of the thumb to auto or a fixed number
, moveStopThreshold : 300 // Set the number of milliseconds since last move event to trigger moveStop
}
;

Expand Down Expand Up @@ -170,6 +171,37 @@
}
}

var updateMoveStop = (function moveStopHandler ()
{
var moving = false,
lastWheelEvent;

function timer()
{
setTimeout(function () {
if(lastWheelEvent + self.options.moveStopThreshold > new Date().getTime()){
timer();
} else {
$container.trigger("movestop");
moving = false;
}
}, self.options.moveStopThreshold);

}

function move ()
{
lastWheelEvent = new Date().getTime();
if(!moving) {
$container.trigger("movestart");
moving = true;
timer();
}
}

return move;
})();

function wheel(event)
{
if(self.contentRatio < 1)
Expand All @@ -183,6 +215,7 @@
self.contentPosition = Math.min((self.contentSize - self.viewportSize), Math.max(0, self.contentPosition));

$container.trigger("move");
updateMoveStop();

$thumb.css(posiLabel, self.contentPosition / self.trackRatio);
$overview.css(posiLabel, -self.contentPosition);
Expand Down Expand Up @@ -212,6 +245,7 @@
self.contentPosition = thumbPositionNew * self.trackRatio;

$container.trigger("move");
updateMoveStop();

$thumb.css(posiLabel, thumbPositionNew);
$overview.css(posiLabel, -self.contentPosition);
Expand Down
4 changes: 2 additions & 2 deletions lib/jquery.tinyscrollbar.min.js
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34 changes: 34 additions & 0 deletions lib/tinyscrollbar.js
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Original file line number Diff line number Diff line change
Expand Up @@ -27,6 +27,7 @@
, scrollInvert : false // Enable invert style scrolling
, trackSize : false // Set the size of the scrollbar to auto or a fixed number.
, thumbSize : false // Set the size of the thumb to auto or a fixed number.
, moveStopThreshold : 300 // Set the number of milliseconds since last move event to trigger moveStop
}
;

Expand Down Expand Up @@ -170,6 +171,37 @@
}
}

var updateMoveStop = (function moveStopHandler ()
{
var moving = false,
lastWheelEvent;

function timer()
{
setTimeout(function () {
if(lastWheelEvent + self.options.moveStopThreshold > new Date().getTime()){
timer();
} else {
$container.trigger("movestop");
moving = false;
}
}, self.options.moveStopThreshold);

}

function move ()
{
lastWheelEvent = new Date().getTime();
if(!moving) {
$container.trigger("movestart");
moving = true;
timer();
}
}

return move;
})();

function wheel(event)
{
if(self.contentRatio < 1)
Expand All @@ -183,6 +215,7 @@
self.contentPosition = Math.min((self.contentSize - self.viewportSize), Math.max(0, self.contentPosition));

$container.dispatchEvent(moveEvent);
updateMoveStop();

$thumb.style[posiLabel] = self.contentPosition / self.trackRatio + "px";
$overview.style[posiLabel] = -self.contentPosition + "px";
Expand Down Expand Up @@ -211,6 +244,7 @@
self.contentPosition = thumbPositionNew * self.trackRatio;

$container.dispatchEvent(moveEvent);
updateMoveStop();

$thumb.style[posiLabel] = thumbPositionNew + "px";
$overview.style[posiLabel] = -self.contentPosition + "px";
Expand Down