cartodb4/perfect-scrollbar
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Implement opposite-sided scrollbars.

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Now when you use `top` for the x-axis scrollbar or `left` for the y-axis
scrollbar, the scrollbars will be displayed on the opposite side.
This commit is contained in:
Hyunje Alex Jun
2014-04-27 11:01:11 +01:00
parent 61e1e6893d
commit 4a8e8066ab
2 changed files with 86 additions and 6 deletions
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53
src/perfect-scrollbar.js
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@@ -94,9 +94,13 @@
scrollbarXWidth,
scrollbarXLeft,
scrollbarXBottom = parseInt($scrollbarXRail.css('bottom'), 10),
isScrollbarXUsingBottom = scrollbarXBottom === scrollbarXBottom, // !isNaN
scrollbarXTop = isScrollbarXUsingBottom ? null : parseInt($scrollbarXRail.css('top'), 10),
scrollbarYHeight,
scrollbarYTop,
scrollbarYRight = parseInt($scrollbarYRail.css('right'), 10),
isScrollbarYUsingRight = scrollbarYRight === scrollbarYRight, // !isNaN
scrollbarYLeft = isScrollbarYUsingRight ? null: parseInt($scrollbarYRail.css('left'), 10),
eventClassName = getEventClassName();
var updateContentScrollTop = function (currentTop, deltaY) {
@@ -115,7 +119,12 @@
var scrollTop = parseInt(scrollbarYTop * (contentHeight - containerHeight) / (containerHeight - scrollbarYHeight), 10);
$this.scrollTop(scrollTop);
$scrollbarXRail.css({bottom: scrollbarXBottom - scrollTop});
if (isScrollbarXUsingBottom) {
$scrollbarXRail.css({bottom: scrollbarXBottom - scrollTop});
} else {
$scrollbarXRail.css({top: scrollbarXTop + scrollTop});
}
};
var updateContentScrollLeft = function (currentLeft, deltaX) {
@@ -134,7 +143,12 @@
var scrollLeft = parseInt(scrollbarXLeft * (contentWidth - containerWidth) / (containerWidth - scrollbarXWidth), 10);
$this.scrollLeft(scrollLeft);
$scrollbarYRail.css({right: scrollbarYRight - scrollLeft});
if (isScrollbarYUsingRight) {
$scrollbarYRail.css({right: scrollbarYRight - scrollLeft});
} else {
$scrollbarYRail.css({left: scrollbarYLeft + scrollLeft});
}
};
var getSettingsAdjustedThumbSize = function (thumbSize) {
@@ -145,8 +159,21 @@
};
var updateScrollbarCss = function () {
$scrollbarXRail.css({left: $this.scrollLeft(), bottom: scrollbarXBottom - $this.scrollTop(), width: containerWidth, display: scrollbarXActive ? "inherit": "none"});
$scrollbarYRail.css({top: $this.scrollTop(), right: scrollbarYRight - $this.scrollLeft(), height: containerHeight, display: scrollbarYActive ? "inherit": "none"});
var scrollbarXStyles = {left: $this.scrollLeft(), width: containerWidth, display: scrollbarXActive ? "inherit": "none"};
if (isScrollbarXUsingBottom) {
scrollbarXStyles.bottom = scrollbarXBottom - $this.scrollTop();
} else {
scrollbarXStyles.top = scrollbarXTop + $this.scrollTop();
}
$scrollbarXRail.css(scrollbarXStyles);
var scrollbarYStyles = {top: $this.scrollTop(), height: containerHeight, display: scrollbarYActive ? "inherit": "none"};
if (isScrollbarYUsingRight) {
scrollbarYStyles.right = scrollbarYRight - $this.scrollLeft();
} else {
scrollbarYStyles.left = scrollbarYLeft + $this.scrollLeft();
}
$scrollbarYRail.css(scrollbarYStyles);
$scrollbarX.css({left: scrollbarXLeft, width: scrollbarXWidth});
$scrollbarY.css({top: scrollbarYTop, height: scrollbarYHeight});
};
@@ -557,8 +584,22 @@
var fixIe6ScrollbarPosition = function () {
updateScrollbarCss = function () {
$scrollbarX.css({left: scrollbarXLeft + $this.scrollLeft(), bottom: scrollbarXBottom, width: scrollbarXWidth});
$scrollbarY.css({top: scrollbarYTop + $this.scrollTop(), right: scrollbarYRight, height: scrollbarYHeight});
var scrollbarXStyles = {left: scrollbarXLeft + $this.scrollLeft(), width: scrollbarXWidth};
if (isScrollbarXUsingBottom) {
scrollbarXStyles.bottom = scrollbarXBottom;
} else {
scrollbarXStyles.top = scrollbarXTop;
}
$scrollbarX.css(scrollbarXStyles);
var scrollbarYStyles = {top: scrollbarYTop + $this.scrollTop(), height: scrollbarYHeight};
if (isScrollbarYUsingRight) {
scrollbarYStyles.right = scrollbarYRight;
} else {
scrollbarYStyles.left = scrollbarYLeft;
}
$scrollbarY.css(scrollbarYStyles);
$scrollbarX.hide().show();
$scrollbarY.hide().show();
};