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Adds a new option which sets the center of the fill bar at zero. Use… #342

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Adds a new option which sets the center of the fill bar at zero. Use… #342

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3aaf194
Adds a new option which sets the center of the fill bar at zero. Use…
tcharlss Oct 23, 2019
bc825f0
Oups, fixes a bad copy/paste
tcharlss Oct 23, 2019
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26 changes: 25 additions & 1 deletion src/rangeslider.js
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,7 @@
horizontalClass: 'rangeslider--horizontal',
verticalClass: 'rangeslider--vertical',
fillClass: 'rangeslider__fill',
fillBeginsAtZero: false,
handleClass: 'rangeslider__handle',
startEvent: ['mousedown', 'touchstart', 'pointerdown'],
moveEvent: ['mousemove', 'touchmove', 'pointermove'],
Expand Down Expand Up @@ -383,8 +384,31 @@
value = this.getValueFromPosition(this.cap(pos, 0, this.maxHandlePos));
newPos = this.getPositionFromValue(value);

// Fill style
var fillDimension, fillDirection;
if (this.options.fillBeginsAtZero === true && 0 >= this.min && 0 <= this.max) {
var zeroPos = this.getPositionFromValue(0) + this.grabPos;
if (this.orientation === 'horizontal' && value >= 0) {
fillDirection = zeroPos;
fillDimension = newPos - zeroPos + this.grabPos;
} else if (this.orientation === 'horizontal' && value < 0) {
fillDirection = newPos + this.grabPos;
fillDimension = zeroPos - newPos - this.grabPos;
} else if (this.orientation === 'vertical' && value >= 0) {
fillDirection = zeroPos;
fillDimension = newPos - zeroPos + this.grabPos;
} else {
fillDirection = newPos + this.grabPos;
fillDimension = zeroPos - newPos - this.grabPos;
}
} else {
fillDimension = newPos + this.grabPos;
fillDirection = 0;
}

// Update ui
this.$fill[0].style[this.DIMENSION] = (newPos + this.grabPos) + 'px';
this.$fill[0].style[this.DIMENSION] = fillDimension + 'px';
this.$fill[0].style[this.DIRECTION_STYLE] = fillDirection + 'px';
this.$handle[0].style[this.DIRECTION_STYLE] = newPos + 'px';
this.setValue(value);

Expand Down