office-ui-fabric-react
Version:
Reusable React components for building experiences for Microsoft 365.
315 lines • 14.8 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
var tslib_1 = require("tslib");
var React = require("react");
var Utilities_1 = require("../../Utilities");
var SELECTION_FORWARD = 'forward';
var SELECTION_BACKWARD = 'backward';
/**
* {@docCategory Autofill}
*/
var Autofill = /** @class */ (function (_super) {
tslib_1.__extends(Autofill, _super);
function Autofill(props) {
var _this = _super.call(this, props) || this;
_this._inputElement = React.createRef();
_this._autoFillEnabled = true;
_this._isComposing = false;
// Composition events are used when the character/text requires several keystrokes to be completed.
// Some examples of this are mobile text input and langauges like Japanese or Arabic.
// Find out more at https://developer.mozilla.org/en-US/docs/Web/Events/compositionstart
_this._onCompositionStart = function (ev) {
_this._isComposing = true;
_this._autoFillEnabled = false;
};
// Composition events are used when the character/text requires several keystrokes to be completed.
// Some examples of this are mobile text input and languages like Japanese or Arabic.
// Find out more at https://developer.mozilla.org/en-US/docs/Web/Events/compositionstart
_this._onCompositionUpdate = function () {
if (Utilities_1.isIE11()) {
_this._updateValue(_this._getCurrentInputValue(), true);
}
};
// Composition events are used when the character/text requires several keystrokes to be completed.
// Some examples of this are mobile text input and langauges like Japanese or Arabic.
// Find out more at https://developer.mozilla.org/en-US/docs/Web/Events/compositionstart
_this._onCompositionEnd = function (ev) {
var inputValue = _this._getCurrentInputValue();
_this._tryEnableAutofill(inputValue, _this.value, false, true);
_this._isComposing = false;
// Due to timing, this needs to be async, otherwise no text will be selected.
_this._async.setTimeout(function () {
// it's technically possible that the value of _isComposing is reset during this timeout,
// so explicitly trigger this with composing=true here, since it is supposed to be the
// update for composition end
_this._updateValue(_this._getCurrentInputValue(), false);
}, 0);
};
_this._onClick = function () {
if (_this._value && _this._value !== '' && _this._autoFillEnabled) {
_this._autoFillEnabled = false;
}
};
_this._onKeyDown = function (ev) {
if (_this.props.onKeyDown) {
_this.props.onKeyDown(ev);
}
// If the event is actively being composed, then don't alert autofill.
// Right now typing does not have isComposing, once that has been fixed any should be removed.
if (!ev.nativeEvent.isComposing) {
switch (ev.which) {
case Utilities_1.KeyCodes.backspace:
_this._autoFillEnabled = false;
break;
case Utilities_1.KeyCodes.left:
case Utilities_1.KeyCodes.right:
if (_this._autoFillEnabled) {
_this._value = _this.state.displayValue;
_this._autoFillEnabled = false;
}
break;
default:
if (!_this._autoFillEnabled) {
if (_this.props.enableAutofillOnKeyPress.indexOf(ev.which) !== -1) {
_this._autoFillEnabled = true;
}
}
break;
}
}
};
_this._onInputChanged = function (ev) {
var value = _this._getCurrentInputValue(ev);
if (!_this._isComposing) {
_this._tryEnableAutofill(value, _this._value, ev.nativeEvent.isComposing);
}
// If it is not IE11 and currently composing, update the value
if (!(Utilities_1.isIE11() && _this._isComposing)) {
var nativeEventComposing = ev.nativeEvent.isComposing;
var isComposing = nativeEventComposing === undefined ? _this._isComposing : nativeEventComposing;
_this._updateValue(value, isComposing);
}
};
_this._onChanged = function () {
// Swallow this event, we don't care about it
// We must provide it because React PropTypes marks it as required, but onInput serves the correct purpose
return;
};
/**
* Updates the current input value as well as getting a new display value.
* @param newValue - The new value from the input
*/
_this._updateValue = function (newValue, composing) {
// Only proceed if the value is nonempty and is different from the old value
// This is to work around the fact that, in IE 11, inputs with a placeholder fire an onInput event on focus
if (!newValue && newValue === _this._value) {
return;
}
_this._value = _this.props.onInputChange ? _this.props.onInputChange(newValue, composing) : newValue;
_this.setState({
displayValue: _this._getDisplayValue(_this._value, _this.props.suggestedDisplayValue),
}, function () { return _this._notifyInputChange(_this._value, composing); });
};
Utilities_1.initializeComponentRef(_this);
_this._async = new Utilities_1.Async(_this);
_this._value = props.defaultVisibleValue || '';
_this.state = {
displayValue: props.defaultVisibleValue || '',
};
return _this;
}
Object.defineProperty(Autofill.prototype, "cursorLocation", {
get: function () {
if (this._inputElement.current) {
var inputElement = this._inputElement.current;
if (inputElement.selectionDirection !== SELECTION_FORWARD) {
return inputElement.selectionEnd;
}
else {
return inputElement.selectionStart;
}
}
else {
return -1;
}
},
enumerable: true,
configurable: true
});
Object.defineProperty(Autofill.prototype, "isValueSelected", {
get: function () {
return Boolean(this.inputElement && this.inputElement.selectionStart !== this.inputElement.selectionEnd);
},
enumerable: true,
configurable: true
});
Object.defineProperty(Autofill.prototype, "value", {
get: function () {
return this._value;
},
enumerable: true,
configurable: true
});
Object.defineProperty(Autofill.prototype, "selectionStart", {
get: function () {
return this._inputElement.current ? this._inputElement.current.selectionStart : -1;
},
enumerable: true,
configurable: true
});
Object.defineProperty(Autofill.prototype, "selectionEnd", {
get: function () {
return this._inputElement.current ? this._inputElement.current.selectionEnd : -1;
},
enumerable: true,
configurable: true
});
Object.defineProperty(Autofill.prototype, "inputElement", {
get: function () {
return this._inputElement.current;
},
enumerable: true,
configurable: true
});
Autofill.prototype.UNSAFE_componentWillReceiveProps = function (nextProps) {
if (this.props.updateValueInWillReceiveProps) {
var updatedInputValue = this.props.updateValueInWillReceiveProps();
// Don't update if we have a null value or the value isn't changing
// the value should still update if an empty string is passed in
if (updatedInputValue !== null && updatedInputValue !== this._value) {
this._value = updatedInputValue;
}
}
var newDisplayValue = this._getDisplayValue(this._value, nextProps.suggestedDisplayValue);
if (typeof newDisplayValue === 'string') {
this.setState({ displayValue: newDisplayValue });
}
};
Autofill.prototype.componentDidUpdate = function () {
var value = this._value;
var _a = this.props, suggestedDisplayValue = _a.suggestedDisplayValue, shouldSelectFullInputValueInComponentDidUpdate = _a.shouldSelectFullInputValueInComponentDidUpdate, preventValueSelection = _a.preventValueSelection;
var differenceIndex = 0;
if (preventValueSelection) {
return;
}
var isFocused = this._inputElement.current && this._inputElement.current === document.activeElement;
if (isFocused &&
this._autoFillEnabled &&
value &&
suggestedDisplayValue &&
this._doesTextStartWith(suggestedDisplayValue, value)) {
var shouldSelectFullRange = false;
if (shouldSelectFullInputValueInComponentDidUpdate) {
shouldSelectFullRange = shouldSelectFullInputValueInComponentDidUpdate();
}
if (shouldSelectFullRange) {
this._inputElement.current.setSelectionRange(0, suggestedDisplayValue.length, SELECTION_BACKWARD);
}
else {
while (differenceIndex < value.length &&
value[differenceIndex].toLocaleLowerCase() === suggestedDisplayValue[differenceIndex].toLocaleLowerCase()) {
differenceIndex++;
}
if (differenceIndex > 0) {
this._inputElement.current.setSelectionRange(differenceIndex, suggestedDisplayValue.length, SELECTION_BACKWARD);
}
}
}
};
Autofill.prototype.componentWillUnmount = function () {
this._async.dispose();
};
Autofill.prototype.render = function () {
var displayValue = this.state.displayValue;
var nativeProps = Utilities_1.getNativeProps(this.props, Utilities_1.inputProperties);
return (React.createElement("input", tslib_1.__assign({ autoCapitalize: "off", autoComplete: "off", "aria-autocomplete": 'both' }, nativeProps, { ref: this._inputElement, value: displayValue, onCompositionStart: this._onCompositionStart, onCompositionUpdate: this._onCompositionUpdate, onCompositionEnd: this._onCompositionEnd,
// TODO (Fabric 8?) - switch to calling only onChange. See notes in TextField._onInputChange.
onChange: this._onChanged, onInput: this._onInputChanged, onKeyDown: this._onKeyDown, onClick: this.props.onClick ? this.props.onClick : this._onClick, "data-lpignore": true })));
};
Autofill.prototype.focus = function () {
this._inputElement.current && this._inputElement.current.focus();
};
Autofill.prototype.clear = function () {
this._autoFillEnabled = true;
this._updateValue('', false);
this._inputElement.current && this._inputElement.current.setSelectionRange(0, 0);
};
Autofill.prototype._getCurrentInputValue = function (ev) {
if (ev && ev.target && ev.target.value) {
return ev.target.value;
}
else if (this.inputElement && this.inputElement.value) {
return this.inputElement.value;
}
else {
return '';
}
};
/**
* Attempts to enable autofill. Whether or not autofill is enabled depends on the input value,
* whether or not any text is selected, and only if the new input value is longer than the old input value.
* Autofill should never be set to true if the value is composing. Once compositionEnd is called, then
* it should be completed.
* See https://developer.mozilla.org/en-US/docs/Web/API/CompositionEvent for more information on composition.
* @param newValue - new input value
* @param oldValue - old input value
* @param isComposing - if true then the text is actively being composed and it has not completed.
* @param isComposed - if the text is a composed text value.
*/
Autofill.prototype._tryEnableAutofill = function (newValue, oldValue, isComposing, isComposed) {
if (!isComposing &&
newValue &&
this._inputElement.current &&
this._inputElement.current.selectionStart === newValue.length &&
!this._autoFillEnabled &&
(newValue.length > oldValue.length || isComposed)) {
this._autoFillEnabled = true;
}
};
Autofill.prototype._notifyInputChange = function (newValue, composing) {
if (this.props.onInputValueChange) {
this.props.onInputValueChange(newValue, composing);
}
};
/**
* Returns a string that should be used as the display value.
* It evaluates this based on whether or not the suggested value starts with the input value
* and whether or not autofill is enabled.
* @param inputValue - the value that the input currently has.
* @param suggestedDisplayValue - the possible full value
*/
Autofill.prototype._getDisplayValue = function (inputValue, suggestedDisplayValue) {
var displayValue = inputValue;
if (suggestedDisplayValue &&
inputValue &&
this._doesTextStartWith(suggestedDisplayValue, displayValue) &&
this._autoFillEnabled) {
displayValue = suggestedDisplayValue;
}
return displayValue;
};
Autofill.prototype._doesTextStartWith = function (text, startWith) {
if (!text || !startWith) {
return false;
}
return text.toLocaleLowerCase().indexOf(startWith.toLocaleLowerCase()) === 0;
};
Autofill.defaultProps = {
enableAutofillOnKeyPress: [Utilities_1.KeyCodes.down, Utilities_1.KeyCodes.up],
};
return Autofill;
}(React.Component));
exports.Autofill = Autofill;
/**
* @deprecated do not use.
* {@docCategory Autofill}
*/
var BaseAutoFill = /** @class */ (function (_super) {
tslib_1.__extends(BaseAutoFill, _super);
function BaseAutoFill() {
return _super !== null && _super.apply(this, arguments) || this;
}
return BaseAutoFill;
}(Autofill));
exports.BaseAutoFill = BaseAutoFill;
//# sourceMappingURL=Autofill.js.map