svgedit/archive/untested-extensions/ext-closepath/ext-closepath.js

116 lines
3.1 KiB
JavaScript

/**
* @file ext-closepath.js
*
* @license MIT
*
* @copyright 2010 Jeff Schiller
*
*/
const loadExtensionTranslation = async function (lang) {
let translationModule;
try {
// eslint-disable-next-line no-unsanitized/method
translationModule = await import(`./locale/${encodeURIComponent(lang)}.js`);
} catch (_error) {
// eslint-disable-next-line no-console
console.error(`Missing translation (${lang}) - using 'en'`);
translationModule = await import(`./locale/en.js`);
}
return translationModule.default;
};
// This extension adds a simple button to the contextual panel for paths
// The button toggles whether the path is open or closed
export default {
name: 'closepath',
async init ({ _importLocale }) {
const svgEditor = this;
const { svgCanvas } = svgEditor;
const { $id } = svgCanvas;
const strings = await loadExtensionTranslation(svgEditor.configObj.pref('lang'));
let selElems;
const updateButton = function (path) {
const seglist = path.pathSegList;
const closed = seglist.getItem(seglist.numberOfItems - 1).pathSegType === 1;
const showbutton = closed ? 'tool_openpath' : 'tool_closepath';
const hidebutton = closed ? 'tool_closepath' : 'tool_openpath';
$id(hidebutton).style.display = 'none';
$id(showbutton).style.display = 'block';
};
const showPanel = function (on) {
$id('closepath_panel').style.display = (on) ? 'block' : 'none';
if (on) {
const path = selElems[0];
if (path) { updateButton(path); }
}
};
const toggleClosed = function () {
const path = selElems[0];
if (path) {
const seglist = path.pathSegList;
const last = seglist.numberOfItems - 1;
// is closed
if (seglist.getItem(last).pathSegType === 1) {
seglist.removeItem(last);
} else {
seglist.appendItem(path.createSVGPathSegClosePath());
}
updateButton(path);
}
};
const buttons = [
{
id: 'tool_openpath',
icon: 'openpath.png',
type: 'context',
panel: 'closepath_panel',
events: {
click () {
toggleClosed();
}
}
},
{
id: 'tool_closepath',
icon: 'closepath.png',
type: 'context',
panel: 'closepath_panel',
events: {
click () {
toggleClosed();
}
}
}
];
return {
name: strings.name,
svgicons: 'closepath_icons.svg',
buttons: strings.buttons.map((button, i) => {
return Object.assign(buttons[i], button);
}),
callback () {
$id("closepath_panel").style.display = 'none';
},
selectedChanged (opts) {
selElems = opts.elems;
let i = selElems.length;
while (i--) {
const elem = selElems[i];
if (elem && elem.tagName === 'path') {
if (opts.selectedElement && !opts.multiselected) {
showPanel(true);
} else {
showPanel(false);
}
} else {
showPanel(false);
}
}
}
};
}
};