office-ui-fabric-react
Version:
Reusable React components for building experiences for Office 365.
228 lines • 10.8 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var React = require("react");
var Utilities_1 = require("../../Utilities");
var Utilities_2 = require("../../Utilities");
var Label_1 = require("../../Label");
/**
* @deprecated Unused.
*/
var ValuePosition;
(function (ValuePosition) {
ValuePosition[ValuePosition["Previous"] = 0] = "Previous";
ValuePosition[ValuePosition["Next"] = 1] = "Next";
})(ValuePosition = exports.ValuePosition || (exports.ValuePosition = {}));
var getClassNames = Utilities_2.classNamesFunction();
var SliderBase = /** @class */ (function (_super) {
tslib_1.__extends(SliderBase, _super);
function SliderBase(props) {
var _this = _super.call(this, props) || this;
_this._sliderLine = Utilities_1.createRef();
_this._thumb = Utilities_1.createRef();
_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) {
// Synchronize the renderedValue to the actual value.
_this.setState({
renderedValue: _this.state.value
});
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(37 /* left */):
case 40 /* down */:
diff = -step;
break;
case Utilities_1.getRTLSafeKeyCode(39 /* right */):
case 38 /* up */:
diff = step;
break;
case 36 /* home */:
value = min;
break;
case 35 /* 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._warnMutuallyExclusive({
value: 'defaultValue'
});
_this._id = Utilities_1.getId('Slider');
var value = props.value || props.defaultValue || props.min;
_this.state = {
value: value,
renderedValue: value
};
return _this;
}
/**
* Invoked when a component is receiving new props. This method is not called for the initial render.
*/
SliderBase.prototype.componentWillReceiveProps = function (newProps) {
if (newProps.value !== undefined) {
var value = Math.max(newProps.min, Math.min(newProps.max, newProps.value));
this.setState({
value: value,
renderedValue: value
});
}
};
SliderBase.prototype.render = function () {
var _a = this.props, ariaLabel = _a.ariaLabel, className = _a.className, disabled = _a.disabled, label = _a.label, max = _a.max, min = _a.min, showValue = _a.showValue, buttonProps = _a.buttonProps, vertical = _a.vertical, styles = _a.styles, theme = _a.theme;
var _b = this.state, value = _b.value, renderedValue = _b.renderedValue;
var thumbOffsetPercent = ((renderedValue - 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
});
return (React.createElement("div", { className: classNames.root },
label && (React.createElement(Label_1.Label, tslib_1.__assign({ className: classNames.titleLabel }, (ariaLabel ? {} : { htmlFor: this._id })), label)),
React.createElement("div", { className: classNames.container },
React.createElement("button", tslib_1.__assign({ "aria-valuenow": value, "aria-valuemin": min, "aria-valuemax": max, "aria-valuetext": this._getAriaValueText(value), "aria-label": ariaLabel || label }, onMouseDownProp, onTouchStartProp, onKeyDownProp, buttonProps, { className: Utilities_1.css(classNames.slideBox, buttonProps.className), id: this._id, disabled: disabled, type: "button", role: "slider" }),
React.createElement("div", { ref: this._sliderLine, className: classNames.line },
React.createElement("span", { ref: this._thumb, className: classNames.thumb, style: this._getThumbStyle(vertical, thumbOffsetPercent) }),
React.createElement("span", { className: Utilities_1.css(classNames.lineContainer, classNames.activeSection), style: (_c = {}, _c[lengthString] = thumbOffsetPercent + '%', _c) }),
React.createElement("span", { className: Utilities_1.css(classNames.lineContainer, classNames.inactiveSection), style: (_d = {}, _d[lengthString] = 100 - thumbOffsetPercent + '%', _d) }))),
showValue && React.createElement(Label_1.Label, { className: classNames.valueLabel }, value))));
var _c, _d;
};
SliderBase.prototype.focus = function () {
if (this._thumb.current) {
this._thumb.current.focus();
}
};
Object.defineProperty(SliderBase.prototype, "value", {
get: function () {
return this.state.value;
},
enumerable: true,
configurable: true
});
SliderBase.prototype._getThumbStyle = function (vertical, thumbOffsetPercent) {
var direction = vertical ? 'bottom' : Utilities_1.getRTL() ? 'right' : 'left';
return _a = {},
_a[direction] = thumbOffsetPercent + '%',
_a;
var _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 interval = 1.0 / this.props.step;
// Make sure value has correct number of decimal places based on steps without JS's floating point issues
var roundedValue = Math.round(value * interval) / interval;
var valueChanged = roundedValue !== this.state.value;
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: {}
};
return SliderBase;
}(Utilities_1.BaseComponent));
exports.SliderBase = SliderBase;
//# sourceMappingURL=Slider.base.js.map