office-ui-fabric-react
Version:
Reusable React components for building experiences for Office 365.
252 lines • 14.2 kB
JavaScript
define(["require", "exports", "tslib", "react", "../../Utilities", "../../Utilities", "../../Label"], function (require, exports, tslib_1, React, Utilities_1, Utilities_2, Label_1) {
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var getClassNames = Utilities_2.classNamesFunction();
exports.ONKEYDOWN_TIMEOUT_DURATION = 1000;
var SliderBase = /** @class */ (function (_super) {
tslib_1.__extends(SliderBase, _super);
function SliderBase(props) {
var _this = _super.call(this, props) || this;
_this._sliderLine = React.createRef();
_this._thumb = React.createRef();
_this._onKeyDownTimer = -1;
_this._getAriaValueText = function (value) {
if (_this.props.ariaValueText && value !== undefined) {
return _this.props.ariaValueText(value);
}
};
_this._onMouseDownOrTouchStart = function (event) {
if (event.type === 'mousedown') {
_this._events.on(window, 'mousemove', _this._onMouseMoveOrTouchMove, true);
_this._events.on(window, 'mouseup', _this._onMouseUpOrTouchEnd, true);
}
else if (event.type === 'touchstart') {
_this._events.on(window, 'touchmove', _this._onMouseMoveOrTouchMove, true);
_this._events.on(window, 'touchend', _this._onMouseUpOrTouchEnd, true);
}
_this._onMouseMoveOrTouchMove(event, true);
};
_this._onMouseMoveOrTouchMove = function (event, suppressEventCancelation) {
if (!_this._sliderLine.current) {
return;
}
var _a = _this.props, max = _a.max, min = _a.min, step = _a.step;
var steps = (max - min) / step;
var sliderPositionRect = _this._sliderLine.current.getBoundingClientRect();
var sliderLength = !_this.props.vertical ? sliderPositionRect.width : sliderPositionRect.height;
var stepLength = sliderLength / steps;
var currentSteps;
var distance;
if (!_this.props.vertical) {
var left = _this._getPosition(event, _this.props.vertical);
distance = Utilities_1.getRTL() ? sliderPositionRect.right - left : left - sliderPositionRect.left;
currentSteps = distance / stepLength;
}
else {
var bottom = _this._getPosition(event, _this.props.vertical);
distance = sliderPositionRect.bottom - bottom;
currentSteps = distance / stepLength;
}
var currentValue;
var renderedValue;
// The value shouldn't be bigger than max or be smaller than min.
if (currentSteps > Math.floor(steps)) {
renderedValue = currentValue = max;
}
else if (currentSteps < 0) {
renderedValue = currentValue = min;
}
else {
renderedValue = min + step * currentSteps;
currentValue = min + step * Math.round(currentSteps);
}
_this._updateValue(currentValue, renderedValue);
if (!suppressEventCancelation) {
event.preventDefault();
event.stopPropagation();
}
};
_this._onMouseUpOrTouchEnd = function (event) {
// Disable renderedValue override.
_this.setState({
renderedValue: undefined
});
if (_this.props.onChanged) {
_this.props.onChanged(event, _this.state.value);
}
_this._events.off();
};
_this._onKeyDown = function (event) {
var value = _this.state.value;
var _a = _this.props, max = _a.max, min = _a.min, step = _a.step;
var diff = 0;
switch (event.which) {
case Utilities_1.getRTLSafeKeyCode(Utilities_1.KeyCodes.left):
case Utilities_1.KeyCodes.down:
diff = -step;
_this._clearOnKeyDownTimer();
_this._setOnKeyDownTimer(event);
break;
case Utilities_1.getRTLSafeKeyCode(Utilities_1.KeyCodes.right):
case Utilities_1.KeyCodes.up:
diff = step;
_this._clearOnKeyDownTimer();
_this._setOnKeyDownTimer(event);
break;
case Utilities_1.KeyCodes.home:
value = min;
break;
case Utilities_1.KeyCodes.end:
value = max;
break;
default:
return;
}
var newValue = Math.min(max, Math.max(min, value + diff));
_this._updateValue(newValue, newValue);
event.preventDefault();
event.stopPropagation();
};
_this._clearOnKeyDownTimer = function () {
_this._async.clearTimeout(_this._onKeyDownTimer);
};
_this._setOnKeyDownTimer = function (event) {
_this._onKeyDownTimer = _this._async.setTimeout(function () {
if (_this.props.onChanged) {
_this.props.onChanged(event, _this.state.value);
}
}, exports.ONKEYDOWN_TIMEOUT_DURATION);
};
_this._warnMutuallyExclusive({
value: 'defaultValue'
});
_this._id = Utilities_1.getId('Slider');
var value = props.value !== undefined ? props.value : props.defaultValue !== undefined ? props.defaultValue : props.min;
_this.state = {
value: value,
renderedValue: undefined
};
return _this;
}
SliderBase.prototype.render = function () {
var _a, _b, _c, _d, _e;
var _f = this.props, ariaLabel = _f.ariaLabel, className = _f.className, disabled = _f.disabled, label = _f.label, max = _f.max, min = _f.min, showValue = _f.showValue, buttonProps = _f.buttonProps, vertical = _f.vertical, valueFormat = _f.valueFormat, styles = _f.styles, theme = _f.theme, originFromZero = _f.originFromZero;
var value = this.value;
var renderedValue = this.renderedValue;
var thumbOffsetPercent = min === max ? 0 : ((renderedValue - min) / (max - min)) * 100;
var zeroOffsetPercent = min >= 0 ? 0 : (-min / (max - min)) * 100;
var lengthString = vertical ? 'height' : 'width';
var onMouseDownProp = disabled ? {} : { onMouseDown: this._onMouseDownOrTouchStart };
var onTouchStartProp = disabled ? {} : { onTouchStart: this._onMouseDownOrTouchStart };
var onKeyDownProp = disabled ? {} : { onKeyDown: this._onKeyDown };
var classNames = getClassNames(styles, {
className: className,
disabled: disabled,
vertical: vertical,
showTransitions: renderedValue === value,
showValue: showValue,
theme: theme
});
var divButtonProps = buttonProps ? Utilities_2.getNativeProps(buttonProps, Utilities_2.divProperties) : undefined;
return (React.createElement("div", { className: classNames.root },
label && (React.createElement(Label_1.Label, tslib_1.__assign({ className: classNames.titleLabel }, (ariaLabel ? {} : { htmlFor: this._id }), { disabled: disabled }), label)),
React.createElement("div", { className: classNames.container },
React.createElement("div", tslib_1.__assign({ "aria-valuenow": value, "aria-valuemin": min, "aria-valuemax": max, "aria-valuetext": this._getAriaValueText(value), "aria-label": ariaLabel || label, "aria-disabled": disabled }, onMouseDownProp, onTouchStartProp, onKeyDownProp, divButtonProps, { className: Utilities_1.css(classNames.slideBox, buttonProps.className), id: this._id, role: "slider", tabIndex: disabled ? undefined : 0, "data-is-focusable": !disabled }),
React.createElement("div", { ref: this._sliderLine, className: classNames.line },
originFromZero && (React.createElement("span", { className: Utilities_1.css(classNames.zeroTick), style: this._getStyleUsingOffsetPercent(vertical, zeroOffsetPercent) })),
React.createElement("span", { ref: this._thumb, className: classNames.thumb, style: this._getStyleUsingOffsetPercent(vertical, thumbOffsetPercent) }),
originFromZero ? (React.createElement(React.Fragment, null,
React.createElement("span", { className: Utilities_1.css(classNames.lineContainer, classNames.inactiveSection), style: (_a = {}, _a[lengthString] = Math.min(thumbOffsetPercent, zeroOffsetPercent) + '%', _a) }),
React.createElement("span", { className: Utilities_1.css(classNames.lineContainer, classNames.activeSection), style: (_b = {}, _b[lengthString] = Math.abs(zeroOffsetPercent - thumbOffsetPercent) + '%', _b) }),
React.createElement("span", { className: Utilities_1.css(classNames.lineContainer, classNames.inactiveSection), style: (_c = {}, _c[lengthString] = Math.min(100 - thumbOffsetPercent, 100 - zeroOffsetPercent) + '%', _c) }))) : (React.createElement(React.Fragment, null,
React.createElement("span", { className: Utilities_1.css(classNames.lineContainer, classNames.activeSection), style: (_d = {}, _d[lengthString] = thumbOffsetPercent + '%', _d) }),
React.createElement("span", { className: Utilities_1.css(classNames.lineContainer, classNames.inactiveSection), style: (_e = {}, _e[lengthString] = 100 - thumbOffsetPercent + '%', _e) }))))),
showValue && (React.createElement(Label_1.Label, { className: classNames.valueLabel, disabled: disabled }, valueFormat ? valueFormat(value) : value)))));
};
SliderBase.prototype.focus = function () {
if (this._thumb.current) {
this._thumb.current.focus();
}
};
Object.defineProperty(SliderBase.prototype, "value", {
get: function () {
var _a = this.props.value, value = _a === void 0 ? this.state.value : _a;
if (this.props.min === undefined || this.props.max === undefined || value === undefined) {
return undefined;
}
else {
return Math.max(this.props.min, Math.min(this.props.max, value));
}
},
enumerable: true,
configurable: true
});
Object.defineProperty(SliderBase.prototype, "renderedValue", {
get: function () {
// renderedValue is expected to be defined while user is interacting with control, otherwise `undefined`. Fall back to `value`.
var _a = this.state.renderedValue, renderedValue = _a === void 0 ? this.value : _a;
return renderedValue;
},
enumerable: true,
configurable: true
});
SliderBase.prototype._getStyleUsingOffsetPercent = function (vertical, thumbOffsetPercent) {
var _a;
var direction = vertical ? 'bottom' : Utilities_1.getRTL() ? 'right' : 'left';
return _a = {},
_a[direction] = thumbOffsetPercent + '%',
_a;
};
SliderBase.prototype._getPosition = function (event, vertical) {
var currentPosition;
switch (event.type) {
case 'mousedown':
case 'mousemove':
currentPosition = !vertical ? event.clientX : event.clientY;
break;
case 'touchstart':
case 'touchmove':
currentPosition = !vertical ? event.touches[0].clientX : event.touches[0].clientY;
break;
}
return currentPosition;
};
SliderBase.prototype._updateValue = function (value, renderedValue) {
var _this = this;
var _a = this.props, step = _a.step, snapToStep = _a.snapToStep;
var numDec = 0;
if (isFinite(step)) {
while (Math.round(step * Math.pow(10, numDec)) / Math.pow(10, numDec) !== step) {
numDec++;
}
}
// Make sure value has correct number of decimal places based on number of decimals in step
var roundedValue = parseFloat(value.toFixed(numDec));
var valueChanged = roundedValue !== this.state.value;
if (snapToStep) {
renderedValue = roundedValue;
}
this.setState({
value: roundedValue,
renderedValue: renderedValue
}, function () {
if (valueChanged && _this.props.onChange) {
_this.props.onChange(_this.state.value);
}
});
};
SliderBase.defaultProps = {
step: 1,
min: 0,
max: 10,
showValue: true,
disabled: false,
vertical: false,
buttonProps: {},
originFromZero: false
};
return SliderBase;
}(Utilities_1.BaseComponent));
exports.SliderBase = SliderBase;
});
//# sourceMappingURL=Slider.base.js.map