134 lines
3.5 KiB
JavaScript
134 lines
3.5 KiB
JavaScript
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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import { Component } from "resource://devtools/client/shared/vendor/react.mjs";
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import PropTypes from "resource://devtools/client/shared/vendor/react-prop-types.mjs";
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import * as dom from "resource://devtools/client/shared/vendor/react-dom-factories.mjs";
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const { input, span, td } = dom;
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/**
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* This template represents a cell in TreeView row. It's rendered
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* using <td> element (the row is <tr> and the entire tree is <table>).
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*/
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class TreeCell extends Component {
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// See TreeView component for detailed property explanation.
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static get propTypes() {
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return {
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value: PropTypes.any,
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decorator: PropTypes.object,
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id: PropTypes.string.isRequired,
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member: PropTypes.object.isRequired,
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renderValue: PropTypes.func.isRequired,
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enableInput: PropTypes.bool,
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};
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}
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constructor(props) {
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super(props);
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this.state = {
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inputEnabled: false,
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};
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this.getCellClass = this.getCellClass.bind(this);
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this.updateInputEnabled = this.updateInputEnabled.bind(this);
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}
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/**
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* Optimize cell rendering. Rerender cell content only if
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* the value or expanded state changes.
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*/
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shouldComponentUpdate(nextProps, nextState) {
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return (
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this.props.value !== nextProps.value ||
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this.state !== nextState ||
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this.props.member.open !== nextProps.member.open
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);
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}
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getCellClass(object, id) {
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const decorator = this.props.decorator;
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if (!decorator || !decorator.getCellClass) {
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return [];
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}
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// Decorator can return a simple string or array of strings.
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let classNames = decorator.getCellClass(object, id);
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if (!classNames) {
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return [];
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}
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if (typeof classNames == "string") {
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classNames = [classNames];
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}
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return classNames;
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}
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updateInputEnabled(evt) {
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this.setState(
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Object.assign({}, this.state, {
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inputEnabled: evt.target.nodeName.toLowerCase() !== "input",
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})
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);
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}
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render() {
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let { member, id, value, decorator, renderValue, enableInput } = this.props;
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const type = member.type || "";
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// Compute class name list for the <td> element.
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const classNames = this.getCellClass(member.object, id) || [];
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classNames.push("treeValueCell");
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classNames.push(type + "Cell");
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// Render value using a default render function or custom
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// provided function from props or a decorator.
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renderValue = renderValue || defaultRenderValue;
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if (decorator?.renderValue) {
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renderValue = decorator.renderValue(member.object, id) || renderValue;
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}
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const props = Object.assign({}, this.props, {
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object: value,
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});
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let cellElement;
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if (enableInput && this.state.inputEnabled && type !== "object") {
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classNames.push("inputEnabled");
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cellElement = input({
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autoFocus: true,
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onBlur: this.updateInputEnabled,
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readOnly: true,
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value,
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"aria-labelledby": id,
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});
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} else {
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cellElement = span(
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{
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onClick: type !== "object" ? this.updateInputEnabled : null,
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},
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renderValue(props)
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);
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}
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// Render me!
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return td(
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{
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className: classNames.join(" "),
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role: "presentation",
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},
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cellElement
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);
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}
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}
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// Default value rendering.
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const defaultRenderValue = props => {
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return props.object + "";
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};
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// Exports from this module
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export default TreeCell;
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