113 lines
3.3 KiB
JavaScript
113 lines
3.3 KiB
JavaScript
// @flow
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import React, { Fragment } from 'react';
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import { Icon } from '../../icons';
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import { Tooltip } from '../../tooltip';
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import AbstractToolboxItem from './AbstractToolboxItem';
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import type { Props } from './AbstractToolboxItem';
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/**
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* Web implementation of {@code AbstractToolboxItem}.
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*/
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export default class ToolboxItem extends AbstractToolboxItem<Props> {
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/**
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* Initializes a new {@code ToolboxItem} instance.
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*
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* @inheritdoc
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*/
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constructor(props: Props) {
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super(props);
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this._onKeyPress = this._onKeyPress.bind(this);
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}
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_onKeyPress: (Object) => void;
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/**
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* Handles 'Enter' and Space key on the button to trigger onClick for accessibility.
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*
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* @param {Object} event - The key event.
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* @private
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* @returns {void}
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*/
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_onKeyPress(event) {
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if (event.key === 'Enter' || event.key === ' ') {
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event.preventDefault();
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this.props.onClick();
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}
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}
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/**
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* Handles rendering of the actual item. If the label is being shown, which
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* is controlled with the `showLabel` prop, the item is rendered for its
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* display in an overflow menu, otherwise it will only have an icon, which
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* can be displayed on any toolbar.
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*
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* @protected
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* @returns {ReactElement}
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*/
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_renderItem() {
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const {
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disabled,
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elementAfter,
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onClick,
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showLabel,
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tooltipPosition,
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toggled
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} = this.props;
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const className = showLabel ? 'overflow-menu-item' : 'toolbox-button';
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const props = {
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'aria-pressed': toggled,
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'aria-disabled': disabled,
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'aria-label': this.accessibilityLabel,
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className: className + (disabled ? ' disabled' : ''),
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onClick: disabled ? undefined : onClick,
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onKeyPress: this._onKeyPress,
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tabIndex: 0,
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role: showLabel ? 'menuitem' : 'button'
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};
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const elementType = showLabel ? 'li' : 'div';
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const useTooltip = this.tooltip && this.tooltip.length > 0;
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let children = (
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<Fragment>
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{ this._renderIcon() }
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{ showLabel && <span>
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{ this.label }
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</span> }
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{ elementAfter }
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</Fragment>
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);
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if (useTooltip) {
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children = (
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<Tooltip
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content = { this.tooltip }
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position = { tooltipPosition }>
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{ children }
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</Tooltip>
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);
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}
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return React.createElement(elementType, props, children);
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}
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/**
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* Helper function to render the item's icon.
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*
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* @private
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* @returns {ReactElement}
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*/
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_renderIcon() {
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const { customClass, disabled, icon, showLabel, toggled } = this.props;
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const iconComponent = <Icon src = { icon } />;
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const elementType = showLabel ? 'span' : 'div';
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const className = `${showLabel ? 'overflow-menu-item-icon' : 'toolbox-icon'} ${
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toggled ? 'toggled' : ''} ${disabled ? 'disabled' : ''} ${customClass ?? ''}`;
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return React.createElement(elementType, { className }, iconComponent);
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}
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}
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