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50 lines
1.5 KiB
JavaScript
50 lines
1.5 KiB
JavaScript
"use strict";
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const React = require("react");
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const defaultStyle = require("./style.css");
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const useTheme = require("../../util/themeable");
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const useID = require("../../util/use-id");
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const contexts = require("../../contexts");
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const composeHandlers = require("../../util/compose-handlers");
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const Icon = require("../icon");
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module.exports = function Button({ type, onClick, children, icon, default: default_ }) {
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// TODO: Validate type?
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// TODO: How does icon + custom HTML children end up looking? Should we use a grid to ensure that the icon is always displayed on the left in its own column?
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let { withTheme } = useTheme({ control: "button", defaultStyle });
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let id = useID();
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let selectedID = React.useContext(contexts.button_selectedID);
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let capturedOnClick = React.useContext(contexts.button_onClick);
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React.useEffect(() => {
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if (capturedOnClick != null && default_ === true) {
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// This is a default selection in a choice list of some sort, eg. a button-set - so we simulate a click event.
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capturedOnClick(id);
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}
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}, [ capturedOnClick, id ]);
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let isSelected = (id === selectedID);
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let onClickAll = composeHandlers([
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capturedOnClick,
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onClick
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]);
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return (
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<button className={withTheme("button", `type-${type}`, { selected: isSelected })} onClick={() => onClickAll(id)}>
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<span className={withTheme("buttonContents")}>
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{(icon != null)
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? <Icon icon={icon} />
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: null
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}
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<contexts.button_selectedID.Provider value={null}>
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{children}
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</contexts.button_selectedID.Provider>
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</span>
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</button>
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);
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};
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