Merge remote-tracking branch 'origin/master'

xyc

2024-11-05 5f77609d5118737e135c6ca3add168ad01aa52b6

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/* globals jQuery */
/**
 * ext-eyedropper.js
 *
 * @license MIT
 *
 * @copyright 2010 Jeff Schiller
 *
 */
 
export default {
  name: 'eyedropper',
  async init (S) {
    const strings = await S.importLocale();
    const svgEditor = this;
    const $ = jQuery;
    const {ChangeElementCommand} = S, // , svgcontent,
      // svgdoc = S.svgroot.parentNode.ownerDocument,
      svgCanvas = svgEditor.canvas,
      addToHistory = function (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'
      };
 
    function getStyle (opts) {
      // if we are in eyedropper mode, we don't want to disable the eye-dropper tool
      const mode = svgCanvas.getMode();
      if (mode === 'eyedropper') { return; }
 
      const tool = $('#tool_eyedropper');
      // enable-eye-dropper if one element is selected
      let 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');
      }
    }
 
    const buttons = [
      {
        id: 'tool_eyedropper',
        icon: svgEditor.curConfig.extIconsPath + 'eyedropper.png',
        type: 'mode',
        events: {
          click () {
            svgCanvas.setMode('eyedropper');
          }
        }
      }
    ];
 
    return {
      name: strings.name,
      svgicons: svgEditor.curConfig.extIconsPath + 'eyedropper-icon.xml',
      buttons: strings.buttons.map((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 (opts) {
        const mode = svgCanvas.getMode();
        if (mode === 'eyedropper') {
          const e = opts.event;
          const {target} = e;
          if (!['svg', 'g', 'use'].includes(target.nodeName)) {
            const changes = {};
 
            const change = function (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));
          }
        }
      }
    };
  }
};