Quelle SearchBox.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";

define(function (require, exports) {
  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 { input, div, button } = dom;

  // For smooth incremental searching (in case the user is typing quickly).
  const searchDelay = 250;

  /**
   * This object represents a search box located at the
   * top right corner of the application.
   */
  class SearchBox extends Component {
    static get propTypes() {
      return {
        actions: PropTypes.object,
        value: PropTypes.toString,
      };
    }

    constructor(props) {
      super(props);
      this.onSearch = this.onSearch.bind(this);
      this.doSearch = this.doSearch.bind(this);
      this.onClearButtonClick = this.onClearButtonClick.bind(this);
      this.onKeyDown = this.onKeyDown.bind(this);

      this.state = {
        value: props.value || "",
      };
    }

    onSearch(event) {
      this.setState({
        value: event.target.value,
      });
      const searchBox = event.target;
      const win = searchBox.ownerDocument.defaultView;

      if (this.searchTimeout) {
        win.clearTimeout(this.searchTimeout);
      }

      const callback = this.doSearch.bind(this, searchBox);
      this.searchTimeout = win.setTimeout(callback, searchDelay);
    }

    doSearch(searchBox) {
      this.props.actions.onSearch(searchBox.value);
    }

    onClearButtonClick() {
      this.setState({ value: "" });
      this.props.actions.onSearch("");
      if (this._searchBoxRef) {
        this._searchBoxRef.focus();
      }
    }

    onKeyDown(e) {
      switch (e.key) {
        case "Escape":
          e.preventDefault();
          this.onClearButtonClick();
          break;
      }
    }

    render() {
      const { value } = this.state;
      return div(
        { className: "devtools-searchbox" },
        input({
          className: "searchBox devtools-filterinput",
          placeholder: JSONView.Locale["jsonViewer.filterJSON"],
          onChange: this.onSearch,
          onKeyDown: this.onKeyDown,
          value,
          ref: c => {
            this._searchBoxRef = c;
          },
        }),
        button({
          className: "devtools-searchinput-clear",
          hidden: !value,
          onClick: this.onClearButtonClick,
        })
      );
    }
  }

  // Exports from this module
  exports.SearchBox = SearchBox;
});

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