svgedit/dist/extensions/ext-eyedropper.js

128 lines
4.2 KiB
JavaScript

(function () {
'use strict';
/* globals jQuery */
/*
* ext-eyedropper.js
*
* Licensed under the MIT License
*
* Copyright(c) 2010 Jeff Schiller
*
*/
svgEditor.addExtension('eyedropper', function (S) {
var $ = jQuery;
var 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'
};
function getStyle(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');
}
}
return {
name: 'eyedropper',
svgicons: svgEditor.curConfig.extIconsPath + 'eyedropper-icon.xml',
buttons: [{
id: 'tool_eyedropper',
type: 'mode',
title: 'Eye Dropper Tool',
key: 'I',
events: {
click: function click() {
svgCanvas.setMode('eyedropper');
}
}
}],
// 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));
}
}
}
};
});
}());