office-ui-fabric-react
Version:
Reusable React components for building experiences for Office 365.
204 lines (202 loc) • 9.35 kB
JavaScript
;
var __extends = (this && this.__extends) || function (d, b) {
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
var __assign = (this && this.__assign) || Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var React = require('react');
require('./Slider.scss');
var BaseComponent_1 = require('../../common/BaseComponent');
var KeyCodes_1 = require('../../utilities/KeyCodes');
var Label_1 = require('../../Label');
var css_1 = require('../../utilities/css');
var rtl_1 = require('../../utilities/rtl');
var object_1 = require('../../utilities/object');
var autobind_1 = require('../../utilities/autobind');
(function (ValuePosition) {
ValuePosition[ValuePosition["Previous"] = 0] = "Previous";
ValuePosition[ValuePosition["Next"] = 1] = "Next";
})(exports.ValuePosition || (exports.ValuePosition = {}));
var ValuePosition = exports.ValuePosition;
var Slider = (function (_super) {
__extends(Slider, _super);
function Slider(props) {
_super.call(this, props);
this._id = object_1.getId('Slider');
var value = props.value || props.defaultValue || props.min;
this.state = {
value: value,
renderedValue: value
};
}
/**
* Invoked when a component is receiving new props. This method is not called for the initial render.
*/
Slider.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
});
}
};
Slider.prototype.render = function () {
var _a = this.props, min = _a.min, max = _a.max, label = _a.label, showValue = _a.showValue, disabled = _a.disabled, className = _a.className, ariaLabel = _a.ariaLabel;
var _b = this.state, value = _b.value, renderedValue = _b.renderedValue;
var thumbOffsetPercent = (renderedValue - min) / (max - min) * 100;
var onMouseDownProp = disabled ? {} : { onMouseDown: this._onMouseDownOrTouchStart };
var onTouchStartProp = disabled ? {} : { onTouchStart: this._onMouseDownOrTouchStart };
var onKeyDownProp = disabled ? {} : { onKeyDown: this._onKeyDown };
return (React.createElement("div", {className: css_1.css('ms-Slider', className, {
'ms-Slider-enabled': !disabled,
'ms-Slider-disabled': disabled
}), ref: 'root'},
label && (React.createElement(Label_1.Label, __assign({}, ariaLabel ? {} : { 'htmlFor': this._id }), label)),
React.createElement("div", {className: 'ms-Slider-container'},
React.createElement("button", __assign({className: css_1.css('ms-Slider-slideBox', {
'ms-Slider-showValue': showValue,
'ms-Slider-showTransitions': (renderedValue === value)
}), id: this._id, role: 'slider', disabled: disabled, "aria-valuenow": value, "aria-valuemin": min, "aria-valuemax": max}, onMouseDownProp, onTouchStartProp, onKeyDownProp),
React.createElement("div", {ref: 'sliderLine', className: 'ms-Slider-line'},
React.createElement("span", __assign({ref: 'thumb', className: 'ms-Slider-thumb'}, ariaLabel ? { 'aria-label': ariaLabel } : {}, {style: rtl_1.getRTL() ?
{ 'right': thumbOffsetPercent + '%' } :
{ 'left': thumbOffsetPercent + '%' }})),
React.createElement("span", {className: 'ms-Slider-active', style: { 'width': thumbOffsetPercent + '%' }}),
React.createElement("span", {className: 'ms-Slider-inactive', style: { 'width': (100 - thumbOffsetPercent) + '%' }}))
),
showValue && React.createElement("label", {className: 'ms-Label ms-Slider-value'}, value))));
};
Slider.prototype.focus = function () {
if (this.refs.thumb) {
this.refs.thumb.focus();
}
};
Object.defineProperty(Slider.prototype, "value", {
get: function () {
return this.state.value;
},
enumerable: true,
configurable: true
});
Slider.prototype._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);
};
Slider.prototype._onMouseMoveOrTouchMove = function (event, suppressEventCancelation) {
var _a = this.props, max = _a.max, min = _a.min, step = _a.step;
var steps = (max - min) / step;
var sliderLength = this.refs.sliderLine.offsetWidth;
var stepLength = sliderLength / steps;
var sliderPositionRect = this.refs.sliderLine.getBoundingClientRect();
var currentSteps;
if (event.type === 'mousedown' || event.type === 'mousemove') {
currentSteps = rtl_1.getRTL() ?
(sliderPositionRect.right - event.clientX) / stepLength :
(event.clientX - sliderPositionRect.left) / stepLength;
}
else if (event.type === 'touchstart' || event.type === 'touchmove') {
currentSteps = rtl_1.getRTL() ?
(sliderPositionRect.right - event.touches[0].clientX) / stepLength :
(event.touches[0].clientX - sliderPositionRect.left) / 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();
}
};
Slider.prototype._updateValue = function (value, renderedValue) {
var _this = this;
var valueChanged = value !== this.state.value;
this.setState({
value: value,
renderedValue: renderedValue
}, function () {
if (valueChanged && _this.props.onChange) {
_this.props.onChange(_this.state.value);
}
});
};
Slider.prototype._onMouseUpOrTouchEnd = function () {
// Synchronize the renderedValue to the actual value.
this.setState({
renderedValue: this.state.value
});
this._events.off();
};
Slider.prototype._onKeyDown = function (event) {
var value = this.state.value;
var _a = this.props, max = _a.max, min = _a.min, step = _a.step;
var diff = 0;
if (event.which === rtl_1.getRTLSafeKeyCode(KeyCodes_1.KeyCodes.left)) {
diff = -step;
}
else if (event.which === rtl_1.getRTLSafeKeyCode(KeyCodes_1.KeyCodes.right)) {
diff = step;
}
else {
return;
}
var newValue = Math.min(max, Math.max(min, value + diff));
this._updateValue(newValue, newValue);
event.preventDefault();
event.stopPropagation();
};
Slider.defaultProps = {
step: 1,
min: 0,
max: 10,
showValue: true,
disabled: false
};
__decorate([
autobind_1.autobind
], Slider.prototype, "_onMouseDownOrTouchStart", null);
__decorate([
autobind_1.autobind
], Slider.prototype, "_onMouseMoveOrTouchMove", null);
__decorate([
autobind_1.autobind
], Slider.prototype, "_onMouseUpOrTouchEnd", null);
__decorate([
autobind_1.autobind
], Slider.prototype, "_onKeyDown", null);
return Slider;
}(BaseComponent_1.BaseComponent));
exports.Slider = Slider;
//# sourceMappingURL=Slider.js.map