339 lines
9.1 KiB
JavaScript
339 lines
9.1 KiB
JavaScript
/**
|
|
* @file ext-arrows.js
|
|
*
|
|
* @license MIT
|
|
*
|
|
* @copyright 2010 Alexis Deveria
|
|
*
|
|
*/
|
|
|
|
const loadExtensionTranslation = async function (svgEditor) {
|
|
let translationModule;
|
|
const lang = svgEditor.configObj.pref('lang');
|
|
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;
|
|
};
|
|
|
|
export default {
|
|
name: 'arrows',
|
|
async init (S) {
|
|
const svgEditor = this;
|
|
const strings = await loadExtensionTranslation(svgEditor);
|
|
const { svgCanvas } = svgEditor;
|
|
const { $id } = svgCanvas;
|
|
const
|
|
addElem = svgCanvas.addSVGElementFromJson;
|
|
const { nonce } = S;
|
|
const prefix = 'se_arrow_';
|
|
|
|
let selElems; let arrowprefix; let randomizeIds = S.randomize_ids;
|
|
|
|
/**
|
|
* @param {Window} win
|
|
* @param {!(string|Integer)} n
|
|
* @returns {void}
|
|
*/
|
|
function setArrowNonce (win, n) {
|
|
randomizeIds = true;
|
|
arrowprefix = prefix + n + '_';
|
|
pathdata.fw.id = arrowprefix + 'fw';
|
|
pathdata.bk.id = arrowprefix + 'bk';
|
|
}
|
|
|
|
/**
|
|
* @param {Window} win
|
|
* @returns {void}
|
|
*/
|
|
function unsetArrowNonce (_win) {
|
|
randomizeIds = false;
|
|
arrowprefix = prefix;
|
|
pathdata.fw.id = arrowprefix + 'fw';
|
|
pathdata.bk.id = arrowprefix + 'bk';
|
|
}
|
|
|
|
svgCanvas.bind('setnonce', setArrowNonce);
|
|
svgCanvas.bind('unsetnonce', unsetArrowNonce);
|
|
|
|
arrowprefix = (randomizeIds) ? `${prefix}${nonce}_` : prefix;
|
|
|
|
const pathdata = {
|
|
fw: { d: 'm0,0l10,5l-10,5l5,-5l-5,-5z', refx: 8, id: arrowprefix + 'fw' },
|
|
bk: { d: 'm10,0l-10,5l10,5l-5,-5l5,-5z', refx: 2, id: arrowprefix + 'bk' }
|
|
};
|
|
|
|
/**
|
|
* Gets linked element.
|
|
* @param {Element} elem
|
|
* @param {string} attr
|
|
* @returns {Element}
|
|
*/
|
|
function getLinked (elem, attr) {
|
|
const str = elem.getAttribute(attr);
|
|
if (!str) { return null; }
|
|
const m = str.match(/\(#(.*)\)/);
|
|
// const m = str.match(/\(#(?<id>.+)\)/);
|
|
// if (!m || !m.groups.id) {
|
|
if (!m || m.length !== 2) {
|
|
return null;
|
|
}
|
|
return svgCanvas.getElem(m[1]);
|
|
}
|
|
|
|
/**
|
|
* @param {boolean} on
|
|
* @returns {void}
|
|
*/
|
|
function showPanel (on) {
|
|
$id('arrow_panel').style.display = (on) ? 'block' : 'none';
|
|
if (on) {
|
|
const el = selElems[0];
|
|
const end = el.getAttribute('marker-end');
|
|
const start = el.getAttribute('marker-start');
|
|
const mid = el.getAttribute('marker-mid');
|
|
let val;
|
|
if (end && start) {
|
|
val = 'both';
|
|
} else if (end) {
|
|
val = 'end';
|
|
} else if (start) {
|
|
val = 'start';
|
|
} else if (mid) {
|
|
val = 'mid';
|
|
if (mid.includes('bk')) {
|
|
val = 'mid_bk';
|
|
}
|
|
}
|
|
|
|
if (!start && !mid && !end) {
|
|
val = 'none';
|
|
}
|
|
|
|
$id('arrow_list').value = val;
|
|
}
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @returns {void}
|
|
*/
|
|
function resetMarker () {
|
|
const el = selElems[0];
|
|
el.removeAttribute('marker-start');
|
|
el.removeAttribute('marker-mid');
|
|
el.removeAttribute('marker-end');
|
|
}
|
|
|
|
/**
|
|
* @param {"bk"|"fw"} dir
|
|
* @param {"both"|"mid"|"end"|"start"} type
|
|
* @param {string} id
|
|
* @returns {Element}
|
|
*/
|
|
function addMarker (dir, type, id) {
|
|
// TODO: Make marker (or use?) per arrow type, since refX can be different
|
|
id = id || arrowprefix + dir;
|
|
|
|
const data = pathdata[dir];
|
|
|
|
if (type === 'mid') {
|
|
data.refx = 5;
|
|
}
|
|
|
|
let marker = svgCanvas.getElem(id);
|
|
if (!marker) {
|
|
marker = addElem({
|
|
element: 'marker',
|
|
attr: {
|
|
viewBox: '0 0 10 10',
|
|
id,
|
|
refY: 5,
|
|
markerUnits: 'strokeWidth',
|
|
markerWidth: 5,
|
|
markerHeight: 5,
|
|
orient: 'auto',
|
|
style: 'pointer-events:none' // Currently needed for Opera
|
|
}
|
|
});
|
|
const arrow = addElem({
|
|
element: 'path',
|
|
attr: {
|
|
d: data.d,
|
|
fill: '#000000'
|
|
}
|
|
});
|
|
marker.append(arrow);
|
|
svgCanvas.findDefs().append(marker);
|
|
}
|
|
|
|
marker.setAttribute('refX', data.refx);
|
|
|
|
return marker;
|
|
}
|
|
|
|
/**
|
|
*
|
|
* @returns {void}
|
|
*/
|
|
function setArrow () {
|
|
resetMarker();
|
|
|
|
let type = this.value;
|
|
if (type === 'none') {
|
|
return;
|
|
}
|
|
|
|
// Set marker on element
|
|
let dir = 'fw';
|
|
if (type === 'mid_bk') {
|
|
type = 'mid';
|
|
dir = 'bk';
|
|
} else if (type === 'both') {
|
|
addMarker('bk', type);
|
|
svgCanvas.changeSelectedAttribute('marker-start', 'url(#' + pathdata.bk.id + ')');
|
|
type = 'end';
|
|
dir = 'fw';
|
|
} else if (type === 'start') {
|
|
dir = 'bk';
|
|
}
|
|
|
|
addMarker(dir, type);
|
|
svgCanvas.changeSelectedAttribute('marker-' + type, 'url(#' + pathdata[dir].id + ')');
|
|
svgCanvas.call('changed', selElems);
|
|
}
|
|
|
|
/**
|
|
* @param {Element} elem
|
|
* @returns {void}
|
|
*/
|
|
function colorChanged (elem) {
|
|
const color = elem.getAttribute('stroke');
|
|
const mtypes = [ 'start', 'mid', 'end' ];
|
|
const defs = svgCanvas.findDefs();
|
|
|
|
mtypes.forEach(function(type){
|
|
const marker = getLinked(elem, 'marker-' + type);
|
|
if (!marker) { return; }
|
|
|
|
const curColor = marker.children.getAttribute('fill');
|
|
const curD = marker.children.getAttribute('d');
|
|
if (curColor === color) { return; }
|
|
|
|
const allMarkers = defs.querySelectorAll('marker');
|
|
let newMarker = null;
|
|
// Different color, check if already made
|
|
Array.from(allMarkers).forEach(function(marker) {
|
|
const attrsFill = marker.children.getAttribute('fill');
|
|
const attrsD = marker.children.getAttribute('d');
|
|
if (attrsFill === color && attrsD === curD) {
|
|
// Found another marker with this color and this path
|
|
newMarker = marker;
|
|
}
|
|
});
|
|
|
|
if (!newMarker) {
|
|
// Create a new marker with this color
|
|
const lastId = marker.id;
|
|
const dir = lastId.includes('_fw') ? 'fw' : 'bk';
|
|
|
|
newMarker = addMarker(dir, type, arrowprefix + dir + allMarkers.length);
|
|
|
|
newMarker.children.setAttribute('fill', color);
|
|
}
|
|
|
|
elem.setAttribute('marker-' + type, 'url(#' + newMarker.id + ')');
|
|
|
|
// Check if last marker can be removed
|
|
let remove = true;
|
|
const sElements = S.svgcontent.querySelectorAll('line, polyline, path, polygon');
|
|
Array.prototype.forEach.call(sElements, function(element){
|
|
mtypes.forEach(function(mtype){
|
|
if (element.getAttribute('marker-' + mtype) === 'url(#' + marker.id + ')') {
|
|
remove = false;
|
|
return remove;
|
|
}
|
|
return undefined;
|
|
});
|
|
if (!remove) { return false; }
|
|
return undefined;
|
|
});
|
|
|
|
// Not found, so can safely remove
|
|
if (remove) {
|
|
marker.remove();
|
|
}
|
|
});
|
|
}
|
|
|
|
const contextTools = [
|
|
{
|
|
type: 'select',
|
|
panel: 'arrow_panel',
|
|
id: 'arrow_list',
|
|
defval: 'none',
|
|
events: {
|
|
change: setArrow
|
|
}
|
|
}
|
|
];
|
|
|
|
return {
|
|
name: strings.name,
|
|
context_tools: strings.contextTools.map((contextTool, i) => {
|
|
return Object.assign(contextTools[i], contextTool);
|
|
}),
|
|
callback () {
|
|
$id("arrow_panel").style.display = 'none';
|
|
|
|
// Set ID so it can be translated in locale file
|
|
$id('arrow_list option').setAttribute('id', 'connector_no_arrow');
|
|
},
|
|
async addLangData ({ _lang, importLocale }) {
|
|
const { langList } = await importLocale();
|
|
return {
|
|
data: langList
|
|
};
|
|
},
|
|
selectedChanged (opts) {
|
|
// Use this to update the current selected elements
|
|
selElems = opts.elems;
|
|
|
|
const markerElems = [ 'line', 'path', 'polyline', 'polygon' ];
|
|
let i = selElems.length;
|
|
while (i--) {
|
|
const elem = selElems[i];
|
|
if (elem && markerElems.includes(elem.tagName)) {
|
|
if (opts.selectedElement && !opts.multiselected) {
|
|
showPanel(true);
|
|
} else {
|
|
showPanel(false);
|
|
}
|
|
} else {
|
|
showPanel(false);
|
|
}
|
|
}
|
|
},
|
|
elementChanged (opts) {
|
|
const elem = opts.elems[0];
|
|
if (elem && (
|
|
elem.getAttribute('marker-start') ||
|
|
elem.getAttribute('marker-mid') ||
|
|
elem.getAttribute('marker-end')
|
|
)) {
|
|
// const start = elem.getAttribute('marker-start');
|
|
// const mid = elem.getAttribute('marker-mid');
|
|
// const end = elem.getAttribute('marker-end');
|
|
// Has marker, so see if it should match color
|
|
colorChanged(elem);
|
|
}
|
|
}
|
|
};
|
|
}
|
|
};
|