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/*
* Copyright (C) 2015 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
WebInspector.VisualStyleRelativeNumberSlider = class VisualStyleRelativeNumberSlider extends WebInspector.VisualStyleNumberInputBox
{
constructor(propertyNames, text, possibleValues, possibleUnits, allowNegativeValues, layoutReversed)
{
super(propertyNames, text, possibleValues, possibleUnits, allowNegativeValues, layoutReversed);
this._element.classList.add("relative-number-slider");
this._sliderElement = document.createElement("input");
this._sliderElement.classList.add("relative-slider");
this._sliderElement.type = "range";
this._sliderElement.addEventListener("input", this._sliderChanged.bind(this));
this._element.appendChild(this._sliderElement);
this._startingValue = 0;
this._scale = 200;
}
// Public
set scale(scale)
{
this._scale = scale || 1;
}
updateEditorValues(updatedValues)
{
super.updateEditorValues(updatedValues);
this._resetSlider();
}
// Private
_resetSlider()
{
this._startingValue = parseFloat(this._valueNumberInputElement.value);
if (isNaN(this._startingValue))
this._startingValue = parseFloat(this.placeholder) || 0;
let midpoint = this._scale / 2;
if (this._allowNegativeValues || this._startingValue > midpoint) {
this._sliderElement.min = -midpoint;
this._sliderElement.max = midpoint;
this._sliderElement.value = 0;
} else {
this._sliderElement.min = 0;
this._sliderElement.max = this._scale;
this._sliderElement.value = this._startingValue;
this._startingValue = 0;
}
}
_sliderChanged()
{
this.value = this._startingValue + Math.round(parseFloat(this._sliderElement.value) * 100) / 100;
this._valueDidChange();
}
_numberInputChanged()
{
super._numberInputChanged();
this._resetSlider();
}
};
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