svgedit
Version:
Powerful SVG-Editor for your browser
247 lines (205 loc) • 15.4 kB
HTML
<html lang="en">
<head>
<meta charset="utf-8">
<title>JSDoc: Source: extensions/ext-eyedropper/ext-eyedropper.js</title>
<script src="scripts/prettify/prettify.js"> </script>
<script src="scripts/prettify/lang-css.js"> </script>
<!--[if lt IE 9]>
<script src="//html5shiv.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
<link type="text/css" rel="stylesheet" href="styles/prettify-tomorrow.css">
<link type="text/css" rel="stylesheet" href="styles/jsdoc-default.css">
</head>
<body>
<div id="main">
<h1 class="page-title">Source: extensions/ext-eyedropper/ext-eyedropper.js</h1>
<section>
<article>
<pre class="prettyprint source linenums"><code>/**
* @file ext-eyedropper.js
*
* @license MIT
*
* @copyright 2010 Jeff Schiller
* @copyright 2021 OptimistikSAS
*
*/
const name = 'eyedropper'
const loadExtensionTranslation = async function (svgEditor) {
let translationModule
const lang = svgEditor.configObj.pref('lang')
try {
translationModule = await import(`./locale/${lang}.js`)
} catch (_error) {
console.warn(`Missing translation (${lang}) for ${name} - using 'en'`)
translationModule = await import('./locale/en.js')
}
svgEditor.i18next.addResourceBundle(lang, name, translationModule.default)
}
export default {
name,
async init () {
const svgEditor = this
const { svgCanvas } = svgEditor
await loadExtensionTranslation(svgEditor)
const { ChangeElementCommand } = svgCanvas.history
// svgdoc = S.svgroot.parentNode.ownerDocument,
const addToHistory = (cmd) => { svgCanvas.undoMgr.addCommandToHistory(cmd) }
const currentStyle = {}
const { $id, $click } = svgCanvas
// Helper to show what style is currectly picked
const helperCursor = document.createElement('div')
helperCursor.style.width = '14px'
helperCursor.style.height = '14px'
helperCursor.style.position = 'absolute'
svgEditor.workarea.appendChild(helperCursor)
const styleHelper = () => {
const mode = svgCanvas.getMode()
if (mode === name) {
helperCursor.style.display = 'block'
const strokeWidthNum = Number(currentStyle.strokeWidth)
const borderStyle = currentStyle.strokeDashArray === 'none' || !currentStyle.strokeDashArray ? 'solid' : 'dotted'
helperCursor.style.background = currentStyle.fillPaint ?? 'transparent'
helperCursor.style.opacity = currentStyle.opacity ?? 1
helperCursor.style.border = (strokeWidthNum > 0 && currentStyle.strokePaint) ? `2px ${borderStyle} ${currentStyle.strokePaint}` : 'none'
}
}
const resetCurrentStyle = () => {
const keys = Object.keys(currentStyle)
keys.forEach(key => delete currentStyle[key])
}
const cancelHandler = () => {
if (Object.keys(currentStyle).length > 0) {
resetCurrentStyle()
styleHelper()
} else {
svgEditor.leftPanel.clickSelect()
}
}
/**
*
* @param {module:svgcanvas.SvgCanvas#event:ext_selectedChanged|module:svgcanvas.SvgCanvas#event:ext_elementChanged} opts
* @returns {void}
*/
const getStyle = (opts) => {
let elem = null
if (!opts.multiselected && opts.elems[0] &&
!['svg', 'g', 'use'].includes(opts.elems[0].nodeName)
) {
elem = opts.elems[0]
// grab the current style
currentStyle.fillPaint = elem.getAttribute('fill') || 'black'
currentStyle.fillOpacity = elem.getAttribute('fill-opacity') || 1.0
currentStyle.strokePaint = elem.getAttribute('stroke')
currentStyle.strokeOpacity = elem.getAttribute('stroke-opacity') || 1.0
currentStyle.strokeWidth = elem.getAttribute('stroke-width')
currentStyle.strokeDashArray = elem.getAttribute('stroke-dasharray')
currentStyle.strokeLinecap = elem.getAttribute('stroke-linecap')
currentStyle.strokeLinejoin = elem.getAttribute('stroke-linejoin')
currentStyle.opacity = elem.getAttribute('opacity') || 1.0
}
}
return {
name: svgEditor.i18next.t(`${name}:name`),
callback () {
// Add the button and its handler(s)
const title = `${name}:buttons.0.title`
// const key = `${name}:buttons.0.key`
const key = 'ctrl+I'
const buttonTemplate = `
<se-button id="tool_eyedropper" title="${title}" src="eye_dropper.svg" shortcut=${key}></se-button>
`
svgCanvas.insertChildAtIndex($id('tools_left'), buttonTemplate, 12)
$click($id('tool_eyedropper'), () => {
if (this.leftPanel.updateLeftPanel('tool_eyedropper')) {
svgCanvas.setMode(name)
}
})
// enables helper, resets currently picked style if no element selected
document.addEventListener('modeChange', e => {
if (svgCanvas.getMode() === name) {
styleHelper()
} else {
helperCursor.style.display = 'none'
}
if (svgCanvas.getSelectedElements().length === 0) {
resetCurrentStyle()
}
})
// Positions helper
svgEditor.workarea.addEventListener('mousemove', (e) => {
const x = e.clientX
const y = e.clientY
if (svgCanvas.getMode() === name) {
helperCursor.style.top = y + 'px'
helperCursor.style.left = x + 12 + 'px'
styleHelper()
}
})
svgEditor.workarea.addEventListener('mouseleave', e => {
helperCursor.style.display = 'none'
})
// Listens to Esc to reset currently picked style / set Select mode
document.addEventListener('keydown', e => {
if (e.key === 'Escape' && svgCanvas.getMode() === name) {
cancelHandler()
}
})
},
// if we have selected an element, grab its paint and enable the eye dropper button
selectedChanged: getStyle,
mouseDown (opts) {
const mode = svgCanvas.getMode()
if (mode === name) {
const e = opts.event
const { target } = e
if (!['svg', 'g', 'use'].includes(target.nodeName)) {
const changes = {}
// If some style is picked - applies it to the target, if no style - picks it from the target
if (Object.keys(currentStyle).length > 0) {
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.opacity) { change(target, 'opacity', currentStyle.opacity) }
if (currentStyle.strokeLinecap) { change(target, 'stroke-linecap', currentStyle.strokeLinecap) }
if (currentStyle.strokeLinejoin) { change(target, 'stroke-linejoin', currentStyle.strokeLinejoin) }
if (currentStyle.strokeDashArray) {
change(target, 'stroke-dasharray', currentStyle.strokeDashArray)
} else {
target.removeAttribute('stroke-dasharray')
}
addToHistory(new ChangeElementCommand(target, changes))
} else {
getStyle({ elems: [target] })
}
}
}
}
}
}
}
</code></pre>
</article>
</section>
</div>
<nav>
<h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="editor_extensions_ext-layer_view_locale_zh-CN.module_js.html">editor/extensions/ext-layer_view/locale/zh-CN.js</a></li><li><a href="module-SVGEditor.html">SVGEditor</a></li><li><a href="module-contextmenu.html">contextmenu</a></li><li><a href="module-jGraduate.html">jGraduate</a></li><li><a href="module-jPicker.html">jPicker</a></li><li><a href="module-locale.html">locale</a></li></ul><h3>Externals</h3><ul><li><a href="external-JamilihArray.html">JamilihArray</a></li><li><a href="external-Math.html">Math</a></li><li><a href="external-Window.html">Window</a></li><li><a href="external-jQuery.html">jQuery</a></li></ul><h3>Namespaces</h3><ul><li><a href="external-jQuery.fn.html">fn</a></li><li><a href="external-jQuery.fn.$.fn.jPicker.defaults.html">defaults</a></li><li><a href="external-jQuery.fn.exports.jPickerMethod.html">exports.jPickerMethod</a></li><li><a href="external-jQuery.fn.jGraduateDefaults.html">jGraduateDefaults</a></li><li><a href="external-jQuery.fn.jGraduateDefaults.images.html">images</a></li><li><a href="external-jQuery.fn.jGraduateDefaults.window.html">window</a></li><li><a href="external-jQuery.jGraduate.html">jGraduate</a></li><li><a href="external-jQuery.jPicker.html">jPicker</a></li><li><a href="external-jQuery.jPicker.ColorMethods.html">ColorMethods</a></li></ul><h3>Classes</h3><ul><li><a href="BottomPanel.html">BottomPanel</a></li><li><a href="Dropdown.html">Dropdown</a></li><li><a href="EditorStartup.html">EditorStartup</a></li><li><a href="ElixMenuButton.html">ElixMenuButton</a></li><li><a href="ElixNumberSpinBox.html">ElixNumberSpinBox</a></li><li><a href="ExplorerButton.html">ExplorerButton</a></li><li><a href="FlyingButton.html">FlyingButton</a></li><li><a href="LayersPanel.html">LayersPanel</a></li><li><a href="LeftPanel.html">LeftPanel</a></li><li><a href="MainMenu.html">MainMenu</a></li><li><a href="NumberSpinBox.html">NumberSpinBox</a></li><li><a href="PaintBox.html">PaintBox</a></li><li><a href="PlainNumberSpinBox.html">PlainNumberSpinBox</a></li><li><a href="Rulers.html">Rulers</a></li><li><a href="SEInput.html">SEInput</a></li><li><a href="SEPalette.html">SEPalette</a></li><li><a href="SESpinInput.html">SESpinInput</a></li><li><a href="SeCMenuDialog.html">SeCMenuDialog</a></li><li><a href="SeCMenuLayerDialog.html">SeCMenuLayerDialog</a></li><li><a href="SeColorPicker.html">SeColorPicker</a></li><li><a href="SeEditPrefsDialog.html">SeEditPrefsDialog</a></li><li><a href="SeExportDialog.html">SeExportDialog</a></li><li><a href="SeImgPropDialog.html">SeImgPropDialog</a></li><li><a href="SeList.html">SeList</a></li><li><a href="SeMenu.html">SeMenu</a></li><li><a href="SeMenuItem.html">SeMenuItem</a></li><li><a href="SePlainAlertDialog.html">SePlainAlertDialog</a></li><li><a href="SePlainBorderButton.html">SePlainBorderButton</a></li><li><a href="SePromptDialog.html">SePromptDialog</a></li><li><a href="SeStorageDialog.html">SeStorageDialog</a></li><li><a href="SeSvgSourceEditorDialog.html">SeSvgSourceEditorDialog</a></li><li><a href="SeText.html">SeText</a></li><li><a href="ToolButton.html">ToolButton</a></li><li><a href="TopPanel.html">TopPanel</a></li><li><a href="configObj.html">configObj</a></li><li><a href="external-jQuery.jGraduate.Paint.html">Paint</a></li><li><a href="external-jQuery.jPicker.Color.html">Color</a></li><li><a href="module.exports.html">exports</a></li><li><a href="module.exports_module.exports.html">exports</a></li><li><a href="module-SVGEditor-Editor.html">Editor</a></li><li><a href="module-jPicker.module.exports.html">module.exports</a></li></ul><h3>Interfaces</h3><ul><li><a href="module-SVGEditor.Config.html">Config</a></li><li><a href="module-SVGEditor.Prefs.html">Prefs</a></li><li><a href="module-SVGthis.CustomHandler.html">CustomHandler</a></li><li><a href="module-locale.LocaleEditorInit.html">LocaleEditorInit</a></li></ul><h3>Events</h3><ul><li><a href="module-SVGEditor.html#event:event:svgEditorReadyEvent">svgEditorReadyEvent</a></li></ul><h3>Tutorials</h3><ul><li><a href="tutorial-CanvasAPI.html">CanvasAPI</a></li><li><a href="tutorial-Editor.html">Editor</a></li><li><a href="tutorial-EditorAPI.html">EditorAPI</a></li><li><a href="tutorial-Events.html">Events</a></li><li><a href="tutorial-FrequentlyAskedQuestions.html">Frequently Asked Questions (FAQ)</a></li></ul><h3>Global</h3><ul><li><a href="global.html#attributeChangedCallback">attributeChangedCallback</a></li><li><a href="global.html#connectedCallback">connectedCallback</a></li><li><a href="global.html#constructor">constructor</a></li><li><a href="global.html#createTemplate">createTemplate</a></li><li><a href="global.html#decrement">decrement</a></li><li><a href="global.html#expireCookie">expireCookie</a></li><li><a href="global.html#formatValueFormatthenumericvalueasastring.Thisisusedafterincrementing/decrementingthevaluetoreformatthevalueasastring.">formatValue
Format the numeric value as a string.
This is used after incrementing/decrementing the value to reformat the
value as a string.</a></li><li><a href="global.html#get">get</a></li><li><a href="global.html#handleClick">handleClick</a></li><li><a href="global.html#handleClose">handleClose</a></li><li><a href="global.html#handleInput">handleInput</a></li><li><a href="global.html#handleKeyDown">handleKeyDown</a></li><li><a href="global.html#handleMouseDown">handleMouseDown</a></li><li><a href="global.html#handleMouseUp">handleMouseUp</a></li><li><a href="global.html#handleOptionsChange">handleOptionsChange</a></li><li><a href="global.html#handleSelect">handleSelect</a></li><li><a href="global.html#handleShow">handleShow</a></li><li><a href="global.html#increment">increment</a></li><li><a href="global.html#init">init</a></li><li><a href="global.html#inputsize">inputsize</a></li><li><a href="global.html#isNullish">isNullish</a></li><li><a href="global.html#loadloadConfig">load load Config</a></li><li><a href="global.html#loadFromURLLoadconfig/datafromURLifgiven">loadFromURL Load config/data from URL if given</a></li><li><a href="global.html#name">name</a></li><li><a href="global.html#observedAttributes">observedAttributes</a></li><li><a href="global.html#parseValue">parseValue</a></li><li><a href="global.html#pref">pref</a></li><li><a href="global.html#readySignal">readySignal</a></li><li><a href="global.html#regexEscape">regexEscape</a></li><li><a href="global.html#removeStoragePrefCookie">removeStoragePrefCookie</a></li><li><a href="global.html#replaceStoragePrompt">replaceStoragePrompt</a></li><li><a href="global.html#set">set</a></li><li><a href="global.html#setupCurConfig">setupCurConfig</a></li><li><a href="global.html#setupCurPrefs">setupCurPrefs</a></li><li><a href="global.html#src">src</a></li><li><a href="global.html#stateEffects">stateEffects</a></li><li><a href="global.html#stepDown">stepDown</a></li><li><a href="global.html#stepUp">stepUp</a></li><li><a href="global.html#triggerInputChanged">triggerInputChanged</a></li><li><a href="global.html#updateLib">updateLib</a></li><li><a href="global.html#value">value</a></li></ul>
</nav>
<br class="clear">
<footer>
Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 4.0.5</a> on Sun Dec 07 2025 19:46:40 GMT+0100 (Central European Standard Time)
</footer>
<script> prettyPrint(); </script>
<script src="scripts/linenumber.js"> </script>
</body>
</html>