Quelle ToolboxTab.js Sprache: JAVA

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
"use strict";

const {
  Component,
} = require("resource://devtools/client/shared/vendor/react.js");
const PropTypes = require("resource://devtools/client/shared/vendor/react-prop-types.js");
const dom = require("resource://devtools/client/shared/vendor/react-dom-factories.js");
const { img, button, span } = dom;

class ToolboxTab extends Component {
  // See toolbox-toolbar propTypes for details on the props used here.
  static get propTypes() {
    return {
      currentToolId: PropTypes.string,
      focusButton: PropTypes.func,
      focusedButton: PropTypes.string,
      highlightedTools: PropTypes.object.isRequired,
      panelDefinition: PropTypes.object,
      selectTool: PropTypes.func,
    };
  }

  constructor(props) {
    super(props);
    this.renderIcon = this.renderIcon.bind(this);
  }

  renderIcon(definition) {
    const { icon } = definition;
    if (!icon) {
      return [];
    }
    return [
      img({
        alt: "",
        src: icon,
      }),
    ];
  }

  render() {
    const {
      panelDefinition,
      currentToolId,
      highlightedTools,
      selectTool,
      focusedButton,
      focusButton,
    } = this.props;
    const { id, extensionId, tooltip, label, iconOnly, badge } =
      panelDefinition;
    const isHighlighted = id === currentToolId;

    const className = [
      "devtools-tab",
      currentToolId === id ? "selected" : "",
      highlightedTools.has(id) ? "highlighted" : "",
      iconOnly ? "devtools-tab-icon-only" : "",
    ].join(" ");

    return button(
      {
        className,
        id: `toolbox-tab-${id}`,
        "data-id": id,
        "data-extension-id": extensionId,
        title: tooltip,
        type: "button",
        "aria-pressed": currentToolId === id ? "true" : "false",
        tabIndex: focusedButton === id ? "0" : "-1",
        onFocus: () => focusButton(id),
        onMouseDown: () => selectTool(id, "tab_switch"),
        onKeyDown: evt => {
          if (evt.key === "Enter" || evt.key === " ") {
            selectTool(id, "tab_switch");
          }
        },
      },
      span({
        className: "devtools-tab-line",
      }),
      ...this.renderIcon(panelDefinition),
      iconOnly
        ? null
        : span(
            {
              className: "devtools-tab-label",
            },
            label,
            badge && !isHighlighted
              ? span(
                  {
                    className: "devtools-tab-badge",
                  },
                  badge
                )
              : null
          )
    );
  }
}

module.exports = ToolboxTab;

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