svgedit/dist/extensions/ext-eyedropper.js

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

  /**
   * ext-eyedropper.js
   *
   * @license MIT
   *
   * @copyright 2010 Jeff Schiller
   *
   */
  var extEyedropper = {
    name: 'eyedropper',
    init: function init(S) {
      var strings, svgEditor, $, ChangeElementCommand, svgCanvas, addToHistory, currentStyle, getStyle, buttons;
      return regeneratorRuntime.async(function init$(_context) {
        while (1) {
          switch (_context.prev = _context.next) {
            case 0:
              getStyle = function _ref(opts) {
                // if we are in eyedropper mode, we don't want to disable the eye-dropper tool
                var mode = svgCanvas.getMode();

                if (mode === 'eyedropper') {
                  return;
                }

                var tool = $('#tool_eyedropper'); // enable-eye-dropper if one element is selected

                var elem = null;

                if (!opts.multiselected && opts.elems[0] && !['svg', 'g', 'use'].includes(opts.elems[0].nodeName)) {
                  elem = opts.elems[0];
                  tool.removeClass('disabled'); // grab the current style

                  currentStyle.fillPaint = elem.getAttribute('fill') || 'black';
                  currentStyle.fillOpacity = elem.getAttribute('fill-opacity') || 1.0;
                  currentStyle.strokePaint = elem.getAttribute('stroke');
                  currentStyle.strokeOpacity = elem.getAttribute('stroke-opacity') || 1.0;
                  currentStyle.strokeWidth = elem.getAttribute('stroke-width');
                  currentStyle.strokeDashArray = elem.getAttribute('stroke-dasharray');
                  currentStyle.strokeLinecap = elem.getAttribute('stroke-linecap');
                  currentStyle.strokeLinejoin = elem.getAttribute('stroke-linejoin');
                  currentStyle.opacity = elem.getAttribute('opacity') || 1.0; // disable eye-dropper tool
                } else {
                  tool.addClass('disabled');
                }
              };

              _context.next = 3;
              return regeneratorRuntime.awrap(S.importLocale());

            case 3:
              strings = _context.sent;
              svgEditor = this;
              $ = S.$, ChangeElementCommand = S.ChangeElementCommand, svgCanvas = svgEditor.canvas, addToHistory = function addToHistory(cmd) {
                svgCanvas.undoMgr.addCommandToHistory(cmd);
              }, currentStyle = {
                fillPaint: 'red',
                fillOpacity: 1.0,
                strokePaint: 'black',
                strokeOpacity: 1.0,
                strokeWidth: 5,
                strokeDashArray: null,
                opacity: 1.0,
                strokeLinecap: 'butt',
                strokeLinejoin: 'miter'
              };
              /**
               *
               * @param {module:svgcanvas.SvgCanvas#event:ext_selectedChanged|module:svgcanvas.SvgCanvas#event:ext_elementChanged} opts
               * @returns {void}
               */

              buttons = [{
                id: 'tool_eyedropper',
                icon: svgEditor.curConfig.extIconsPath + 'eyedropper.png',
                type: 'mode',
                events: {
                  click: function click() {
                    svgCanvas.setMode('eyedropper');
                  }
                }
              }];
              return _context.abrupt("return", {
                name: strings.name,
                svgicons: svgEditor.curConfig.extIconsPath + 'eyedropper-icon.xml',
                buttons: strings.buttons.map(function (button, i) {
                  return Object.assign(buttons[i], button);
                }),
                // if we have selected an element, grab its paint and enable the eye dropper button
                selectedChanged: getStyle,
                elementChanged: getStyle,
                mouseDown: function mouseDown(opts) {
                  var mode = svgCanvas.getMode();

                  if (mode === 'eyedropper') {
                    var e = opts.event;
                    var target = e.target;

                    if (!['svg', 'g', 'use'].includes(target.nodeName)) {
                      var changes = {};

                      var change = function change(elem, attrname, newvalue) {
                        changes[attrname] = elem.getAttribute(attrname);
                        elem.setAttribute(attrname, newvalue);
                      };

                      if (currentStyle.fillPaint) {
                        change(target, 'fill', currentStyle.fillPaint);
                      }

                      if (currentStyle.fillOpacity) {
                        change(target, 'fill-opacity', currentStyle.fillOpacity);
                      }

                      if (currentStyle.strokePaint) {
                        change(target, 'stroke', currentStyle.strokePaint);
                      }

                      if (currentStyle.strokeOpacity) {
                        change(target, 'stroke-opacity', currentStyle.strokeOpacity);
                      }

                      if (currentStyle.strokeWidth) {
                        change(target, 'stroke-width', currentStyle.strokeWidth);
                      }

                      if (currentStyle.strokeDashArray) {
                        change(target, 'stroke-dasharray', currentStyle.strokeDashArray);
                      }

                      if (currentStyle.opacity) {
                        change(target, 'opacity', currentStyle.opacity);
                      }

                      if (currentStyle.strokeLinecap) {
                        change(target, 'stroke-linecap', currentStyle.strokeLinecap);
                      }

                      if (currentStyle.strokeLinejoin) {
                        change(target, 'stroke-linejoin', currentStyle.strokeLinejoin);
                      }

                      addToHistory(new ChangeElementCommand(target, changes));
                    }
                  }
                }
              });

            case 8:
            case "end":
              return _context.stop();
          }
        }
      }, null, this);
    }
  };

  return extEyedropper;

}());