svgedit/dist/extensions/ext-imagelib.js

var svgEditorExtension_imagelib = (function () {
  'use strict';

  function _typeof(obj) {
    if (typeof Symbol === "function" && typeof Symbol.iterator === "symbol") {
      _typeof = function (obj) {
        return typeof obj;
      };
    } else {
      _typeof = function (obj) {
        return obj && typeof Symbol === "function" && obj.constructor === Symbol && obj !== Symbol.prototype ? "symbol" : typeof obj;
      };
    }

    return _typeof(obj);
  }

  function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) {
    try {
      var info = gen[key](arg);
      var value = info.value;
    } catch (error) {
      reject(error);
      return;
    }

    if (info.done) {
      resolve(value);
    } else {
      Promise.resolve(value).then(_next, _throw);
    }
  }

  function _asyncToGenerator(fn) {
    return function () {
      var self = this,
          args = arguments;
      return new Promise(function (resolve, reject) {
        var gen = fn.apply(self, args);

        function _next(value) {
          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value);
        }

        function _throw(err) {
          asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err);
        }

        _next(undefined);
      });
    };
  }

  /**
   * @file ext-imagelib.js
   *
   * @license MIT
   *
   * @copyright 2010 Alexis Deveria
   *
   */
  var extImagelib = {
    name: 'imagelib',
    init: function () {
      var _init = _asyncToGenerator(
      /*#__PURE__*/
      regeneratorRuntime.mark(function _callee2(_ref) {
        var $, decode64, importLocale, dropXMLInternalSubset, imagelibStrings, modularVersion, svgEditor, uiStrings, svgCanvas, extIconsPath, allowedImageLibOrigins, closeBrowser, importImage, pending, mode, multiArr, transferStopped, preview, submit, onMessage, _onMessage, toggleMulti, showBrowser, buttons;

        return regeneratorRuntime.wrap(function _callee2$(_context2) {
          while (1) {
            switch (_context2.prev = _context2.next) {
              case 0:
                showBrowser = function _ref11() {
                  var browser = $('#imgbrowse');

                  if (!browser.length) {
                    $('<div id=imgbrowse_holder><div id=imgbrowse class=toolbar_button>' + '</div></div>').insertAfter('#svg_docprops');
                    browser = $('#imgbrowse');
                    var allLibs = imagelibStrings.select_lib;
                    var libOpts = $('<ul id=imglib_opts>').appendTo(browser);
                    var frame = $('<iframe src="javascript:0"/>').prependTo(browser).hide().wrap('<div id=lib_framewrap>');
                    var header = $('<h1>').prependTo(browser).text(allLibs).css({
                      position: 'absolute',
                      top: 0,
                      left: 0,
                      width: '100%'
                    });
                    var cancel = $('<button>' + uiStrings.common.cancel + '</button>').appendTo(browser).on('click touchend', function () {
                      $('#imgbrowse_holder').hide();
                    }).css({
                      position: 'absolute',
                      top: 5,
                      right: -10
                    });
                    var leftBlock = $('<span>').css({
                      position: 'absolute',
                      top: 5,
                      left: 10
                    }).appendTo(browser);
                    var back = $('<button hidden>' + imagelibStrings.show_list + '</button>').appendTo(leftBlock).on('click touchend', function () {
                      frame.attr('src', 'about:blank').hide();
                      libOpts.show();
                      header.text(allLibs);
                      back.hide();
                    }).css({
                      'margin-right': 5
                    }).hide();
                    /* const type = */

                    $('<select><option value=s>' + imagelibStrings.import_single + '</option><option value=m>' + imagelibStrings.import_multi + '</option><option value=o>' + imagelibStrings.open + '</option></select>').appendTo(leftBlock).change(function () {
                      mode = $(this).val();

                      switch (mode) {
                        case 's':
                        case 'o':
                          toggleMulti(false);
                          break;

                        case 'm':
                          // Import multiple
                          toggleMulti(true);
                          break;
                      }
                    }).css({
                      'margin-top': 10
                    });
                    cancel.prepend($.getSvgIcon('cancel', true));
                    back.prepend($.getSvgIcon('tool_imagelib', true));
                    imagelibStrings.imgLibs.forEach(function (_ref5) {
                      var name = _ref5.name,
                          url = _ref5.url,
                          description = _ref5.description;
                      $('<li>').appendTo(libOpts).text(name).on('click touchend', function () {
                        frame.attr('src', url).show();
                        header.text(name);
                        libOpts.hide();
                        back.show();
                      }).append("<span>".concat(description, "</span>"));
                    });
                  } else {
                    $('#imgbrowse_holder').show();
                  }
                };

                toggleMulti = function _ref10(show) {
                  $('#lib_framewrap, #imglib_opts').css({
                    right: show ? 200 : 10
                  });

                  if (!preview) {
                    preview = $('<div id=imglib_preview>').css({
                      position: 'absolute',
                      top: 45,
                      right: 10,
                      width: 180,
                      bottom: 45,
                      background: '#fff',
                      overflow: 'auto'
                    }).insertAfter('#lib_framewrap');
                    submit = $('<button disabled>Import selected</button>').appendTo('#imgbrowse').on('click touchend', function () {
                      $.each(multiArr, function (i) {
                        var type = this[0];
                        var data = this[1];

                        if (type === 'svg') {
                          svgCanvas.importSvgString(data);
                        } else {
                          importImage(data);
                        }

                        svgCanvas.moveSelectedElements(i * 20, i * 20, false);
                      });
                      preview.empty();
                      multiArr = [];
                      $('#imgbrowse_holder').hide();
                    }).css({
                      position: 'absolute',
                      bottom: 10,
                      right: -10
                    });
                  }

                  preview.toggle(show);
                  submit.toggle(show);
                };

                _onMessage = function _ref9() {
                  _onMessage = _asyncToGenerator(
                  /*#__PURE__*/
                  regeneratorRuntime.mark(function _callee(_ref4) {
                    var origin, response, id, type, hasName, hasHref, char1, secondpos, entry, curMeta, svgStr, imgStr, name, message, pre, src, title, xml, ok;
                    return regeneratorRuntime.wrap(function _callee$(_context) {
                      while (1) {
                        switch (_context.prev = _context.next) {
                          case 0:
                            origin = _ref4.origin, response = _ref4.data;

                            if (!(!response || !['string', 'object'].includes(_typeof(response)))) {
                              _context.next = 3;
                              break;
                            }

                            return _context.abrupt("return");

                          case 3:
                            _context.prev = 3;
                            // Todo: This block can be removed (and the above check changed to
                            //   insist on an object) if embedAPI moves away from a string to
                            //   an object (if IE9 support not needed)
                            response = _typeof(response) === 'object' ? response : JSON.parse(response);

                            if (!(response.namespace !== 'imagelib')) {
                              _context.next = 7;
                              break;
                            }

                            return _context.abrupt("return");

                          case 7:
                            if (!(!allowedImageLibOrigins.includes('*') && !allowedImageLibOrigins.includes(origin))) {
                              _context.next = 10;
                              break;
                            }

                            // Todo: Surface this error to user?
                            console.log("Origin ".concat(origin, " not whitelisted for posting to ").concat(window.origin)); // eslint-disable-line no-console

                            return _context.abrupt("return");

                          case 10:
                            hasName = 'name' in response;
                            hasHref = 'href' in response;

                            if (!(!hasName && transferStopped)) {
                              _context.next = 15;
                              break;
                            }

                            transferStopped = false;
                            return _context.abrupt("return");

                          case 15:
                            if (hasHref) {
                              id = response.href;
                              response = response.data;
                            } // Hide possible transfer dialog box


                            $('#dialog_box').hide();
                            type = hasName ? 'meta' : response.charAt(0);
                            _context.next = 28;
                            break;

                          case 20:
                            _context.prev = 20;
                            _context.t0 = _context["catch"](3);

                            if (!(typeof response === 'string')) {
                              _context.next = 28;
                              break;
                            }

                            char1 = response.charAt(0);

                            if (!(char1 !== '{' && transferStopped)) {
                              _context.next = 27;
                              break;
                            }

                            transferStopped = false;
                            return _context.abrupt("return");

                          case 27:
                            if (char1 === '|') {
                              secondpos = response.indexOf('|', 1);
                              id = response.substr(1, secondpos - 1);
                              response = response.substr(secondpos + 1);
                              type = response.charAt(0);
                            }

                          case 28:
                            _context.t1 = type;
                            _context.next = _context.t1 === 'meta' ? 31 : _context.t1 === '<' ? 47 : _context.t1 === 'd' ? 49 : 60;
                            break;

                          case 31:
                            // Metadata
                            transferStopped = false;
                            curMeta = response; // Should be safe to add dynamic property as passed metadata

                            pending[curMeta.id] = curMeta; // lgtm [js/remote-property-injection]

                            name = curMeta.name || 'file';
                            message = uiStrings.notification.retrieving.replace('%s', name);

                            if (!(mode !== 'm')) {
                              _context.next = 43;
                              break;
                            }

                            _context.next = 39;
                            return $.process_cancel(message);

                          case 39:
                            transferStopped = true; // Should a message be sent back to the frame?

                            $('#dialog_box').hide();
                            _context.next = 46;
                            break;

                          case 43:
                            entry = $('<div>').text(message).data('id', curMeta.id);
                            preview.append(entry);
                            curMeta.entry = entry;

                          case 46:
                            return _context.abrupt("return");

                          case 47:
                            svgStr = true;
                            return _context.abrupt("break", 62);

                          case 49:
                            if (!response.startsWith('data:image/svg+xml')) {
                              _context.next = 57;
                              break;
                            }

                            pre = 'data:image/svg+xml;base64,';
                            src = response.substring(pre.length);
                            response = decode64(src);
                            svgStr = true;
                            return _context.abrupt("break", 62);

                          case 57:
                            if (!response.startsWith('data:image/')) {
                              _context.next = 60;
                              break;
                            }

                            imgStr = true;
                            return _context.abrupt("break", 62);

                          case 60:
                            // TODO: See if there's a way to base64 encode the binary data stream
                            // const str = 'data:;base64,' + svgedit.utilities.encode64(response, true);
                            // Assume it's raw image data
                            // importImage(str);
                            // Don't give warning as postMessage may have been used by something else
                            if (mode !== 'm') {
                              closeBrowser();
                            } else {
                              pending[id].entry.remove();
                            } // await $.alert('Unexpected data was returned: ' + response, function() {
                            //   if (mode !== 'm') {
                            //     closeBrowser();
                            //   } else {
                            //     pending[id].entry.remove();
                            //   }
                            // });


                            return _context.abrupt("return");

                          case 62:
                            _context.t2 = mode;
                            _context.next = _context.t2 === 's' ? 65 : _context.t2 === 'm' ? 68 : _context.t2 === 'o' ? 72 : 83;
                            break;

                          case 65:
                            // Import one
                            if (svgStr) {
                              svgCanvas.importSvgString(response);
                            } else if (imgStr) {
                              importImage(response);
                            }

                            closeBrowser();
                            return _context.abrupt("break", 83);

                          case 68:
                            // Import multiple
                            multiArr.push([svgStr ? 'svg' : 'img', response]);
                            curMeta = pending[id];

                            if (svgStr) {
                              if (curMeta && curMeta.name) {
                                title = curMeta.name;
                              } else {
                                // Try to find a title
                                // `dropXMLInternalSubset` is to help prevent the billion laughs attack
                                xml = new DOMParser().parseFromString(dropXMLInternalSubset(response), 'text/xml').documentElement; // lgtm [js/xml-bomb]

                                title = $(xml).children('title').first().text() || '(SVG #' + response.length + ')';
                              }

                              if (curMeta) {
                                preview.children().each(function () {
                                  if ($(this).data('id') === id) {
                                    if (curMeta.preview_url) {
                                      $(this).html($('<span>').append($('<img>').attr('src', curMeta.preview_url), title));
                                    } else {
                                      $(this).text(title);
                                    }

                                    submit.removeAttr('disabled');
                                  }
                                });
                              } else {
                                preview.append($('<div>').text(title));
                                submit.removeAttr('disabled');
                              }
                            } else {
                              if (curMeta && curMeta.preview_url) {
                                title = curMeta.name || '';
                                entry = $('<span>').append($('<img>').attr('src', curMeta.preview_url), title);
                              } else {
                                entry = $('<img>').attr('src', response);
                              }

                              if (curMeta) {
                                preview.children().each(function () {
                                  if ($(this).data('id') === id) {
                                    $(this).html(entry);
                                    submit.removeAttr('disabled');
                                  }
                                });
                              } else {
                                preview.append($('<div>').append(entry));
                                submit.removeAttr('disabled');
                              }
                            }

                            return _context.abrupt("break", 83);

                          case 72:
                            if (svgStr) {
                              _context.next = 74;
                              break;
                            }

                            return _context.abrupt("break", 83);

                          case 74:
                            closeBrowser();
                            _context.next = 77;
                            return svgEditor.openPrep();

                          case 77:
                            ok = _context.sent;

                            if (ok) {
                              _context.next = 80;
                              break;
                            }

                            return _context.abrupt("return");

                          case 80:
                            svgCanvas.clear();
                            svgCanvas.setSvgString(response); // updateCanvas();

                            return _context.abrupt("break", 83);

                          case 83:
                          case "end":
                            return _context.stop();
                        }
                      }
                    }, _callee, null, [[3, 20]]);
                  }));
                  return _onMessage.apply(this, arguments);
                };

                onMessage = function _ref8(_x2) {
                  return _onMessage.apply(this, arguments);
                };

                importImage = function _ref7(url) {
                  var newImage = svgCanvas.addSVGElementFromJson({
                    element: 'image',
                    attr: {
                      x: 0,
                      y: 0,
                      width: 0,
                      height: 0,
                      id: svgCanvas.getNextId(),
                      style: 'pointer-events:inherit'
                    }
                  });
                  svgCanvas.clearSelection();
                  svgCanvas.addToSelection([newImage]);
                  svgCanvas.setImageURL(url);
                };

                closeBrowser = function _ref6() {
                  $('#imgbrowse_holder').hide();
                };

                $ = _ref.$, decode64 = _ref.decode64, importLocale = _ref.importLocale, dropXMLInternalSubset = _ref.dropXMLInternalSubset;
                _context2.next = 9;
                return importLocale();

              case 9:
                imagelibStrings = _context2.sent;
                modularVersion = !('svgEditor' in window) || !window.svgEditor || window.svgEditor.modules !== false;
                svgEditor = this;
                uiStrings = svgEditor.uiStrings, svgCanvas = svgEditor.canvas, extIconsPath = svgEditor.curConfig.extIconsPath;
                imagelibStrings.imgLibs = imagelibStrings.imgLibs.map(function (_ref2) {
                  var name = _ref2.name,
                      url = _ref2.url,
                      description = _ref2.description;
                  // Todo: Adopt some standard formatting library like `fluent.js` instead
                  url = url.replace(/\{path\}/g, extIconsPath).replace(/\{modularVersion\}/g, modularVersion ? imagelibStrings.moduleEnding || '-es' : '');
                  return {
                    name: name,
                    url: url,
                    description: description
                  };
                });
                allowedImageLibOrigins = imagelibStrings.imgLibs.map(function (_ref3) {
                  var url = _ref3.url;

                  try {
                    return new URL(url).origin;
                  } catch (err) {
                    return location.origin;
                  }
                });
                /**
                *
                * @returns {void}
                */

                pending = {};
                mode = 's';
                multiArr = [];
                transferStopped = false;
                // Receive `postMessage` data
                window.addEventListener('message', onMessage, true);
                /**
                * @param {boolean} show
                * @returns {void}
                */

                buttons = [{
                  id: 'tool_imagelib',
                  type: 'app_menu',
                  // _flyout
                  icon: extIconsPath + 'imagelib.png',
                  position: 4,
                  events: {
                    mouseup: showBrowser
                  }
                }];
                return _context2.abrupt("return", {
                  svgicons: extIconsPath + 'ext-imagelib.xml',
                  buttons: imagelibStrings.buttons.map(function (button, i) {
                    return Object.assign(buttons[i], button);
                  }),
                  callback: function callback() {
                    $('<style>').text('#imgbrowse_holder {' + 'position: absolute;' + 'top: 0;' + 'left: 0;' + 'width: 100%;' + 'height: 100%;' + 'background-color: rgba(0, 0, 0, .5);' + 'z-index: 5;' + '}' + '#imgbrowse {' + 'position: absolute;' + 'top: 25px;' + 'left: 25px;' + 'right: 25px;' + 'bottom: 25px;' + 'min-width: 300px;' + 'min-height: 200px;' + 'background: #B0B0B0;' + 'border: 1px outset #777;' + '}' + '#imgbrowse h1 {' + 'font-size: 20px;' + 'margin: .4em;' + 'text-align: center;' + '}' + '#lib_framewrap,' + '#imgbrowse > ul {' + 'position: absolute;' + 'top: 45px;' + 'left: 10px;' + 'right: 10px;' + 'bottom: 10px;' + 'background: white;' + 'margin: 0;' + 'padding: 0;' + '}' + '#imgbrowse > ul {' + 'overflow: auto;' + '}' + '#imgbrowse > div {' + 'border: 1px solid #666;' + '}' + '#imglib_preview > div {' + 'padding: 5px;' + 'font-size: 12px;' + '}' + '#imglib_preview img {' + 'display: block;' + 'margin: 0 auto;' + 'max-height: 100px;' + '}' + '#imgbrowse li {' + 'list-style: none;' + 'padding: .5em;' + 'background: #E8E8E8;' + 'border-bottom: 1px solid #B0B0B0;' + 'line-height: 1.2em;' + 'font-style: sans-serif;' + '}' + '#imgbrowse li > span {' + 'color: #666;' + 'font-size: 15px;' + 'display: block;' + '}' + '#imgbrowse li:hover {' + 'background: #FFC;' + 'cursor: pointer;' + '}' + '#imgbrowse iframe {' + 'width: 100%;' + 'height: 100%;' + 'border: 0;' + '}').appendTo('head');
                  }
                });

              case 22:
              case "end":
                return _context2.stop();
            }
          }
        }, _callee2, this);
      }));

      function init(_x) {
        return _init.apply(this, arguments);
      }

      return init;
    }()
  };

  return extImagelib;

}());