@iobroker/adapter-react/Components/copy-to-clipboard.js

React classes to develop admin interfaces for ioBroker with react.

"use strict";

/*
MIT License

Copyright (c) 2017 sudodoki <smd.deluzion@gmail.com>

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
 */
// https://github.com/sudodoki/toggle-selection/blob/gh-pages/index.js
function deselectCurrent() {
  var selection = document.getSelection();

  if (!selection.rangeCount) {
    return function () {};
  }

  var active = document.activeElement;
  var ranges = [];

  for (var i = 0; i < selection.rangeCount; i++) {
    ranges.push(selection.getRangeAt(i));
  }

  switch (active.tagName.toUpperCase()) {
    // .toUpperCase handles XHTML
    case 'INPUT':
    case 'TEXTAREA':
      active.blur();
      break;

    default:
      active = null;
      break;
  }

  selection.removeAllRanges();
  return function () {
    selection.type === 'Caret' && selection.removeAllRanges();

    if (!selection.rangeCount) {
      ranges.forEach(function (range) {
        selection.addRange(range);
      });
    }

    active && active.focus();
  };
} // https://github.com/sudodoki/copy-to-clipboard/blob/master/index.js


var clipboardToIE11Formatting = {
  "text/plain": "Text",
  "text/html": "Url",
  "default": "Text"
};
var defaultMessage = "Copy to clipboard: #{key}, Enter";

function format(message) {
  var copyKey = (/mac os x/i.test(navigator.userAgent) ? "⌘" : "Ctrl") + "+C";
  return message.replace(/#{\s*key\s*}/g, copyKey);
}

function copy(text, options) {
  var debug,
      message,
      reselectPrevious,
      range,
      selection,
      mark,
      success = false;

  if (!options) {
    options = {};
  }

  debug = options.debug || false;

  try {
    reselectPrevious = deselectCurrent();
    range = document.createRange();
    selection = document.getSelection();
    mark = document.createElement("span");
    mark.textContent = text; // reset user styles for span element

    mark.style.all = "unset"; // prevents scrolling to the end of the page

    mark.style.position = "fixed";
    mark.style.top = 0;
    mark.style.clip = "rect(0, 0, 0, 0)"; // used to preserve spaces and line breaks

    mark.style.whiteSpace = "pre"; // do not inherit user-select (it may be `none`)

    mark.style.webkitUserSelect = "text";
    mark.style.MozUserSelect = "text";
    mark.style.msUserSelect = "text";
    mark.style.userSelect = "text";
    mark.addEventListener("copy", function (e) {
      e.stopPropagation();

      if (options.format) {
        e.preventDefault();

        if (typeof e.clipboardData === "undefined") {
          // IE 11
          debug && console.warn("unable to use e.clipboardData");
          debug && console.warn("trying IE specific stuff");
          window.clipboardData.clearData();
          var format = clipboardToIE11Formatting[options.format] || clipboardToIE11Formatting["default"];
          window.clipboardData.setData(format, text);
        } else {
          // all other browsers
          e.clipboardData.clearData();
          e.clipboardData.setData(options.format, text);
        }
      }

      if (options.onCopy) {
        e.preventDefault();
        options.onCopy(e.clipboardData);
      }
    });
    document.body.appendChild(mark);
    range.selectNodeContents(mark);
    selection.addRange(range);
    var successful = document.execCommand("copy");

    if (!successful) {
      throw new Error("copy command was unsuccessful");
    }

    success = true;
  } catch (err) {
    debug && console.error("unable to copy using execCommand: ", err);
    debug && console.warn("trying IE specific stuff");

    try {
      window.clipboardData.setData(options.format || "text", text);
      options.onCopy && options.onCopy(window.clipboardData);
      success = true;
    } catch (err) {
      debug && console.error("unable to copy using clipboardData: ", err);
      debug && console.error("falling back to prompt");
      message = format("message" in options ? options.message : defaultMessage);
      window.prompt(message, text);
    }
  } finally {
    if (selection) {
      if (typeof selection.removeRange == "function") {
        selection.removeRange(range);
      } else {
        selection.removeAllRanges();
      }
    }

    if (mark) {
      document.body.removeChild(mark);
    }

    reselectPrevious();
  }

  return success;
}

module.exports = copy;
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