@blueprintjs/core
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Core styles & components
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JavaScript
/*
* Copyright 2017 Palantir Technologies, Inc. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import classNames from "classnames";
import * as React from "react";
import { ChevronDown, ChevronUp } from "@blueprintjs/icons";
import { AbstractPureComponent, Classes, DISPLAYNAME_PREFIX, Intent, Position, refHandler, removeNonHTMLProps, setRef, Utils, } from "../../common";
import * as Errors from "../../common/errors";
import { ButtonGroup } from "../button/buttonGroup";
import { Button } from "../button/buttons";
import { ControlGroup } from "./controlGroup";
import { InputGroup } from "./inputGroup";
import { clampValue, getValueOrEmptyValue, isValidNumericKeyboardEvent, isValueNumeric, parseStringToStringNumber, sanitizeNumericInput, toLocaleString, toMaxPrecision, } from "./numericInputUtils";
var IncrementDirection;
(function (IncrementDirection) {
IncrementDirection[IncrementDirection["DOWN"] = -1] = "DOWN";
IncrementDirection[IncrementDirection["UP"] = 1] = "UP";
})(IncrementDirection || (IncrementDirection = {}));
const NON_HTML_PROPS = [
"allowNumericCharactersOnly",
"buttonPosition",
"clampValueOnBlur",
"className",
"defaultValue",
"majorStepSize",
"minorStepSize",
"onButtonClick",
"onValueChange",
"selectAllOnFocus",
"selectAllOnIncrement",
"stepSize",
];
/**
* Numeric input component.
*
* @see https://blueprintjs.com/docs/#core/components/numeric-input
*/
export class NumericInput extends AbstractPureComponent {
static displayName = `${DISPLAYNAME_PREFIX}.NumericInput`;
static VALUE_EMPTY = "";
static VALUE_ZERO = "0";
numericInputId = Utils.uniqueId("numericInput");
static defaultProps = {
allowNumericCharactersOnly: true,
buttonPosition: Position.RIGHT,
clampValueOnBlur: false,
defaultValue: NumericInput.VALUE_EMPTY,
large: false,
majorStepSize: 10,
minorStepSize: 0.1,
selectAllOnFocus: false,
selectAllOnIncrement: false,
small: false,
stepSize: 1,
};
static getDerivedStateFromProps(props, state) {
const nextState = {
prevMaxProp: props.max,
prevMinProp: props.min,
};
const didMinChange = props.min !== state.prevMinProp;
const didMaxChange = props.max !== state.prevMaxProp;
const didBoundsChange = didMinChange || didMaxChange;
// in controlled mode, use props.value
// in uncontrolled mode, if state.value has not been assigned yet (upon initial mount), use props.defaultValue
const value = props.value?.toString() ?? state.value;
const stepMaxPrecision = NumericInput.getStepMaxPrecision(props);
const sanitizedValue = value !== NumericInput.VALUE_EMPTY
? NumericInput.roundAndClampValue(value, stepMaxPrecision, props.min, props.max, 0, props.locale)
: NumericInput.VALUE_EMPTY;
// if a new min and max were provided that cause the existing value to fall
// outside of the new bounds, then clamp the value to the new valid range.
if (didBoundsChange && sanitizedValue !== state.value) {
return { ...nextState, stepMaxPrecision, value: sanitizedValue };
}
return { ...nextState, stepMaxPrecision, value };
}
static CONTINUOUS_CHANGE_DELAY = 300;
static CONTINUOUS_CHANGE_INTERVAL = 100;
// Value Helpers
// =============
static getStepMaxPrecision(props) {
if (props.minorStepSize != null) {
return Utils.countDecimalPlaces(props.minorStepSize);
}
else {
return Utils.countDecimalPlaces(props.stepSize);
}
}
static roundAndClampValue(value, stepMaxPrecision, min, max, delta = 0, locale) {
if (!isValueNumeric(value, locale)) {
return NumericInput.VALUE_EMPTY;
}
const currentValue = parseStringToStringNumber(value, locale);
const nextValue = toMaxPrecision(Number(currentValue) + delta, stepMaxPrecision);
const clampedValue = clampValue(nextValue, min, max);
return toLocaleString(clampedValue, locale);
}
state = {
currentImeInputInvalid: false,
shouldSelectAfterUpdate: false,
stepMaxPrecision: NumericInput.getStepMaxPrecision(this.props),
value: getValueOrEmptyValue(this.props.value ?? this.props.defaultValue),
};
// updating these flags need not trigger re-renders, so don't include them in this.state.
didPasteEventJustOccur = false;
delta = 0;
inputElement = null;
inputRef = refHandler(this, "inputElement", this.props.inputRef);
intervalId;
incrementButtonHandlers = this.getButtonEventHandlers(IncrementDirection.UP);
decrementButtonHandlers = this.getButtonEventHandlers(IncrementDirection.DOWN);
getCurrentValueAsNumber = () => Number(parseStringToStringNumber(this.state.value, this.props.locale));
render() {
const { buttonPosition, className, fill, large, small } = this.props;
const containerClasses = classNames(Classes.NUMERIC_INPUT, { [Classes.LARGE]: large, [Classes.SMALL]: small }, className);
const buttons = this.renderButtons();
return (React.createElement(ControlGroup, { className: containerClasses, fill: fill },
buttonPosition === Position.LEFT && buttons,
this.renderInput(),
buttonPosition === Position.RIGHT && buttons));
}
componentDidUpdate(prevProps, prevState) {
super.componentDidUpdate(prevProps, prevState);
if (prevProps.inputRef !== this.props.inputRef) {
setRef(prevProps.inputRef, null);
this.inputRef = refHandler(this, "inputElement", this.props.inputRef);
setRef(this.props.inputRef, this.inputElement);
}
if (this.state.shouldSelectAfterUpdate) {
this.inputElement?.setSelectionRange(0, this.state.value.length);
}
const didMinChange = this.props.min !== prevProps.min;
const didMaxChange = this.props.max !== prevProps.max;
const didBoundsChange = didMinChange || didMaxChange;
const didLocaleChange = this.props.locale !== prevProps.locale;
const didValueChange = this.state.value !== prevState.value;
if ((didBoundsChange && didValueChange) || (didLocaleChange && prevState.value !== NumericInput.VALUE_EMPTY)) {
// we clamped the value due to a bounds change, so we should fire the change callback
const valueToParse = didLocaleChange ? prevState.value : this.state.value;
const valueAsString = parseStringToStringNumber(valueToParse, prevProps.locale);
const localizedValue = toLocaleString(+valueAsString, this.props.locale);
this.props.onValueChange?.(+valueAsString, localizedValue, this.inputElement);
}
}
validateProps(nextProps) {
const { majorStepSize, max, min, minorStepSize, stepSize, value } = nextProps;
if (min != null && max != null && min > max) {
console.error(Errors.NUMERIC_INPUT_MIN_MAX);
}
if (stepSize <= 0) {
console.error(Errors.NUMERIC_INPUT_STEP_SIZE_NON_POSITIVE);
}
if (minorStepSize && minorStepSize <= 0) {
console.error(Errors.NUMERIC_INPUT_MINOR_STEP_SIZE_NON_POSITIVE);
}
if (majorStepSize && majorStepSize <= 0) {
console.error(Errors.NUMERIC_INPUT_MAJOR_STEP_SIZE_NON_POSITIVE);
}
if (minorStepSize && minorStepSize > stepSize) {
console.error(Errors.NUMERIC_INPUT_MINOR_STEP_SIZE_BOUND);
}
if (majorStepSize && majorStepSize < stepSize) {
console.error(Errors.NUMERIC_INPUT_MAJOR_STEP_SIZE_BOUND);
}
// controlled mode
if (value != null) {
const stepMaxPrecision = NumericInput.getStepMaxPrecision(nextProps);
const sanitizedValue = NumericInput.roundAndClampValue(value.toString(), stepMaxPrecision, min, max, 0, this.props.locale);
const valueDoesNotMatch = sanitizedValue !== value.toString();
const localizedValue = toLocaleString(Number(parseStringToStringNumber(value, this.props.locale)), this.props.locale);
const isNotLocalized = sanitizedValue !== localizedValue;
if (valueDoesNotMatch && isNotLocalized) {
console.warn(Errors.NUMERIC_INPUT_CONTROLLED_VALUE_INVALID);
}
}
}
// Render Helpers
// ==============
renderButtons() {
const { intent, max, min, locale } = this.props;
const value = parseStringToStringNumber(this.state.value, locale);
const disabled = this.props.disabled || this.props.readOnly;
const isIncrementDisabled = max !== undefined && value !== "" && +value >= max;
const isDecrementDisabled = min !== undefined && value !== "" && +value <= min;
return (React.createElement(ButtonGroup, { className: Classes.FIXED, key: "button-group", vertical: true },
React.createElement(Button, { "aria-label": "increment", "aria-controls": this.numericInputId, disabled: disabled || isIncrementDisabled, icon: React.createElement(ChevronUp, null), intent: intent, ...this.incrementButtonHandlers }),
React.createElement(Button, { "aria-label": "decrement", "aria-controls": this.numericInputId, disabled: disabled || isDecrementDisabled, icon: React.createElement(ChevronDown, null), intent: intent, ...this.decrementButtonHandlers })));
}
renderInput() {
const inputGroupHtmlProps = removeNonHTMLProps(this.props, NON_HTML_PROPS, true);
const valueAsNumber = this.getCurrentValueAsNumber();
return (React.createElement(InputGroup, { asyncControl: this.props.asyncControl, autoComplete: "off", id: this.numericInputId, role: this.props.allowNumericCharactersOnly ? "spinbutton" : undefined, ...inputGroupHtmlProps, "aria-valuemax": this.props.max, "aria-valuemin": this.props.min, "aria-valuenow": valueAsNumber, intent: this.state.currentImeInputInvalid ? Intent.DANGER : this.props.intent, inputClassName: this.props.inputClassName, inputRef: this.inputRef, large: this.props.large, leftElement: this.props.leftElement, leftIcon: this.props.leftIcon, onFocus: this.handleInputFocus, onBlur: this.handleInputBlur, onCompositionEnd: this.handleCompositionEnd, onCompositionUpdate: this.handleCompositionUpdate, onKeyDown: this.handleInputKeyDown, onKeyPress: this.handleInputKeyPress, onPaste: this.handleInputPaste, onValueChange: this.handleInputChange, rightElement: this.props.rightElement, small: this.props.small, value: this.state.value }));
}
// Callbacks - Buttons
// ===================
getButtonEventHandlers(direction) {
return {
// keydown is fired repeatedly when held so it's implicitly continuous
onKeyDown: evt => {
if (!this.props.disabled && Utils.isKeyboardClick(evt)) {
this.handleButtonClick(evt, direction);
}
},
onMouseDown: evt => {
if (!this.props.disabled) {
this.handleButtonClick(evt, direction);
this.startContinuousChange();
}
},
};
}
handleButtonClick = (e, direction) => {
const delta = this.updateDelta(direction, e);
const nextValue = this.incrementValue(delta);
this.props.onButtonClick?.(Number(parseStringToStringNumber(nextValue, this.props.locale)), nextValue);
};
startContinuousChange() {
// The button's onMouseUp event handler doesn't fire if the user
// releases outside of the button, so we need to watch all the way
// from the top.
document.addEventListener("mouseup", this.stopContinuousChange);
// Initial delay is slightly longer to prevent the user from
// accidentally triggering the continuous increment/decrement.
this.setTimeout(() => {
this.intervalId = window.setInterval(this.handleContinuousChange, NumericInput.CONTINUOUS_CHANGE_INTERVAL);
}, NumericInput.CONTINUOUS_CHANGE_DELAY);
}
stopContinuousChange = () => {
this.delta = 0;
this.clearTimeouts();
clearInterval(this.intervalId);
document.removeEventListener("mouseup", this.stopContinuousChange);
};
handleContinuousChange = () => {
// If either min or max prop is set, when reaching the limit
// the button will be disabled and stopContinuousChange will be never fired,
// hence the need to check on each iteration to properly clear the timeout
if (this.props.min !== undefined || this.props.max !== undefined) {
const min = this.props.min ?? -Infinity;
const max = this.props.max ?? Infinity;
const valueAsNumber = this.getCurrentValueAsNumber();
if (valueAsNumber <= min || valueAsNumber >= max) {
this.stopContinuousChange();
return;
}
}
const nextValue = this.incrementValue(this.delta);
this.props.onButtonClick?.(Number(parseStringToStringNumber(nextValue, this.props.locale)), nextValue);
};
// Callbacks - Input
// =================
handleInputFocus = (e) => {
// update this state flag to trigger update for input selection (see componentDidUpdate)
this.setState({ shouldSelectAfterUpdate: this.props.selectAllOnFocus });
this.props.onFocus?.(e);
};
handleInputBlur = (e) => {
// always disable this flag on blur so it's ready for next time.
this.setState({ shouldSelectAfterUpdate: false });
if (this.props.clampValueOnBlur) {
const { value } = e.target;
this.handleNextValue(this.roundAndClampValue(value));
}
this.props.onBlur?.(e);
};
handleInputKeyDown = (e) => {
if (this.props.disabled || this.props.readOnly) {
return;
}
let direction;
if (e.key === "ArrowUp") {
direction = IncrementDirection.UP;
}
else if (e.key === "ArrowDown") {
direction = IncrementDirection.DOWN;
}
if (direction !== undefined) {
// when the input field has focus, some key combinations will modify
// the field's selection range. we'll actually want to select all
// text in the field after we modify the value on the following
// lines. preventing the default selection behavior lets us do that
// without interference.
e.preventDefault();
const delta = this.updateDelta(direction, e);
this.incrementValue(delta);
}
this.props.onKeyDown?.(e);
};
handleCompositionEnd = (e) => {
if (this.props.allowNumericCharactersOnly) {
this.handleNextValue(sanitizeNumericInput(e.data, this.props.locale));
this.setState({ currentImeInputInvalid: false });
}
};
handleCompositionUpdate = (e) => {
if (this.props.allowNumericCharactersOnly) {
const { data } = e;
const sanitizedValue = sanitizeNumericInput(data, this.props.locale);
if (sanitizedValue.length === 0 && data.length > 0) {
this.setState({ currentImeInputInvalid: true });
}
else {
this.setState({ currentImeInputInvalid: false });
}
}
};
handleInputKeyPress = (e) => {
// we prohibit keystrokes in onKeyPress instead of onKeyDown, because
// e.key is not trustworthy in onKeyDown in all browsers.
if (this.props.allowNumericCharactersOnly && !isValidNumericKeyboardEvent(e, this.props.locale)) {
e.preventDefault();
}
// eslint-disable-next-line deprecation/deprecation
this.props.onKeyPress?.(e);
};
handleInputPaste = (e) => {
this.didPasteEventJustOccur = true;
this.props.onPaste?.(e);
};
handleInputChange = (value) => {
let nextValue = value;
if (this.props.allowNumericCharactersOnly && this.didPasteEventJustOccur) {
this.didPasteEventJustOccur = false;
nextValue = sanitizeNumericInput(value, this.props.locale);
}
this.handleNextValue(nextValue);
this.setState({ shouldSelectAfterUpdate: false });
};
// Data logic
// ==========
handleNextValue(valueAsString) {
if (this.props.value == null) {
this.setState({ value: valueAsString });
}
this.props.onValueChange?.(Number(parseStringToStringNumber(valueAsString, this.props.locale)), valueAsString, this.inputElement);
}
incrementValue(delta) {
// pretend we're incrementing from 0 if currValue is empty
const currValue = this.state.value === NumericInput.VALUE_EMPTY ? NumericInput.VALUE_ZERO : this.state.value;
const nextValue = this.roundAndClampValue(currValue, delta);
if (nextValue !== this.state.value) {
this.handleNextValue(nextValue);
this.setState({ shouldSelectAfterUpdate: this.props.selectAllOnIncrement });
}
// return value used in continuous change updates
return nextValue;
}
getIncrementDelta(direction, isShiftKeyPressed, isAltKeyPressed) {
const { majorStepSize, minorStepSize, stepSize } = this.props;
if (isShiftKeyPressed && majorStepSize != null) {
return direction * majorStepSize;
}
else if (isAltKeyPressed && minorStepSize != null) {
return direction * minorStepSize;
}
else {
return direction * stepSize;
}
}
roundAndClampValue(value, delta = 0) {
return NumericInput.roundAndClampValue(value, this.state.stepMaxPrecision, this.props.min, this.props.max, delta, this.props.locale);
}
updateDelta(direction, e) {
this.delta = this.getIncrementDelta(direction, e.shiftKey, e.altKey);
return this.delta;
}
}
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