svgedit
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Powerful SVG-Editor for your browser
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<pre class="prettyprint source linenums"><code>/* eslint-disable max-len */
/* globals seConfirm seAlert */
/**
* The main module for the visual SVG this.
*
* @license MIT
*
* @copyright 2010 Alexis Deveria
* 2010 Pavol Rusnak
* 2010 Jeff Schiller
* 2010 Narendra Sisodiya
* 2014 Brett Zamir
* 2020 OptimistikSAS
* @module SVGEditor
*/
import './components/index.js';
import './dialogs/index.js';
import './touch.js';
import { isMac } from '../common/browser.js';
import SvgCanvas from '../svgcanvas/svgcanvas.js';
import ConfigObj from './ConfigObj.js';
import EditorStartup from './EditorStartup.js';
import LeftPanel from './panels/LeftPanel.js';
import TopPanel from './panels/TopPanel.js';
import BottomPanel from './panels/BottomPanel.js';
import LayersPanel from './panels/LayersPanel.js';
import MainMenu from './MainMenu.js';
import { getParentsUntil } from './components/jgraduate/Util.js';
const { $id, $qa, isNullish, decode64, blankPageObjectURL } = SvgCanvas;
/**
*
*/
class Editor extends EditorStartup {
/**
*
*/
constructor(div = null) {
super(div);
/**
* @type {boolean}
*/
this.langChanged = false;
/**
* @type {boolean}
*/
this.showSaveWarning = false;
/**
* Will be set to a boolean by `ext-storage.js`
* @type {"ignore"|"waiting"|"closed"}
*/
this.storagePromptState = 'ignore';
this.svgCanvas = null;
this.isReady = false;
this.customExportImage = false;
this.customExportPDF = false;
this.configObj = new ConfigObj(this);
this.configObj.pref = this.configObj.pref.bind(this.configObj);
this.setConfig = this.configObj.setConfig.bind(this.configObj);
this.callbacks = [];
this.curContext = null;
this.exportWindowName = null;
this.docprops = false;
this.configObj.preferences = false;
this.canvMenu = null;
// eslint-disable-next-line max-len
this.goodLangs = [ 'ar', 'cs', 'de', 'en', 'es', 'fa', 'fr', 'fy', 'hi', 'it', 'ja', 'nl', 'pl', 'pt-BR', 'ro', 'ru', 'sk', 'sl', 'zh-CN', 'zh-TW' ];
const modKey = (isMac() ? 'meta+' : 'ctrl+');
this.shortcuts = [
// Shortcuts not associated with buttons
{ key: 'ctrl+arrowleft', fn: () => { this.rotateSelected(0, 1); } },
{ key: 'ctrl+arrowright', fn: () => { this.rotateSelected(1, 1); } },
{ key: 'ctrl+shift+arrowleft', fn: () => { this.rotateSelected(0, 5); } },
{ key: 'ctrl+shift+arrowright', fn: () => { this.rotateSelected(1, 5); } },
{ key: 'shift+o', fn: () => { this.svgCanvas.cycleElement(0); } },
{ key: 'shift+p', fn: () => { this.svgCanvas.cycleElement(1); } },
{ key: 'tab', fn: () => { this.svgCanvas.cycleElement(0); } },
{ key: 'shift+tab', fn: () => { this.svgCanvas.cycleElement(1); } },
{ key: [ modKey + 'arrowup', true ], fn: () => { this.zoomImage(2); } },
{ key: [ modKey + 'arrowdown', true ], fn: () => { this.zoomImage(0.5); } },
{ key: [ modKey + ']', true ], fn: () => { this.moveUpDownSelected('Up'); } },
{ key: [ modKey + '[', true ], fn: () => { this.moveUpDownSelected('Down'); } },
{ key: [ 'arrowup', true ], fn: () => { this.moveSelected(0, -1); } },
{ key: [ 'arrowdown', true ], fn: () => { this.moveSelected(0, 1); } },
{ key: [ 'arrowleft', true ], fn: () => { this.moveSelected(-1, 0); } },
{ key: [ 'arrowright', true ], fn: () => { this.moveSelected(1, 0); } },
{ key: 'shift+arrowup', fn: () => { this.moveSelected(0, -10); } },
{ key: 'shift+arrowdown', fn: () => { this.moveSelected(0, 10); } },
{ key: 'shift+arrowleft', fn: () => { this.moveSelected(-10, 0); } },
{ key: 'shift+arrowright', fn: () => { this.moveSelected(10, 0); } },
{ key: [ 'alt+arrowup', true ], fn: () => { this.svgCanvas.cloneSelectedElements(0, -1); } },
{ key: [ 'alt+arrowdown', true ], fn: () => { this.svgCanvas.cloneSelectedElements(0, 1); } },
{ key: [ 'alt+arrowleft', true ], fn: () => { this.svgCanvas.cloneSelectedElements(-1, 0); } },
{ key: [ 'alt+arrowright', true ], fn: () => { this.svgCanvas.cloneSelectedElements(1, 0); } },
{ key: [ 'alt+shift+arrowup', true ], fn: () => { this.svgCanvas.cloneSelectedElements(0, -10); } },
{ key: [ 'alt+shift+arrowdown', true ], fn: () => { this.svgCanvas.cloneSelectedElements(0, 10); } },
{ key: [ 'alt+shift+arrowleft', true ], fn: () => { this.svgCanvas.cloneSelectedElements(-10, 0); } },
{ key: [ 'alt+shift+arrowright', true ], fn: () => { this.svgCanvas.cloneSelectedElements(10, 0); } },
{ key: [ 'delete/backspace', true ], fn: () => {
if (!isNullish(this.selectedElement) || this.multiselected)
this.svgCanvas.deleteSelectedElements();
} },
{ key: 'a', fn: () => { this.svgCanvas.selectAllInCurrentLayer(); } },
{ key: modKey + 'a', fn: () => { this.svgCanvas.selectAllInCurrentLayer(); } },
{ key: modKey + 'x', fn: () => { this.cutSelected(); } },
{ key: modKey + 'c', fn: () => { this.copySelected(); } },
{ key: modKey + 'v', fn: () => { this.pasteInCenter(); } }
];
this.leftPanel = new LeftPanel(this);
this.bottomPanel = new BottomPanel(this);
this.topPanel = new TopPanel(this);
this.layersPanel = new LayersPanel(this);
this.mainMenu = new MainMenu(this);
window.svgEditor = this;
}
/**
*
* @param {string} str SVG string
* @param {PlainObject} [opts={}]
* @param {boolean} [opts.noAlert]
* @throws {Error} Upon failure to load SVG
* @returns {void}
*/
loadSvgString(str, { noAlert } = {}) {
const success = this.svgCanvas.setSvgString(str) !== false;
if (success) return;
if (!noAlert) seAlert(this.i18next.t('notification.errorLoadingSVG'));
throw new Error('Error loading SVG');
}
/**
* All methods are optional.
* @interface module:SVGthis.CustomHandler
* @type {PlainObject}
*/
/**
* Its responsibilities are:
* - invoke a file chooser dialog in 'open' mode
* - let user pick a SVG file
* - calls [svgCanvas.setSvgString()]{@link module:svgcanvas.SvgCanvas#setSvgString} with the string contents of that file.
* Not passed any parameters.
* @function module:SVGthis.CustomHandler#open
* @returns {void}
*/
/**
* Its responsibilities are:
* - accept the string contents of the current document
* - invoke a file chooser dialog in 'save' mode
* - save the file to location chosen by the user.
* @function module:SVGthis.CustomHandler#save
* @param {external:Window} win
* @param {module:svgcanvas.SvgCanvas#event:saved} svgStr A string of the SVG
* @listens module:svgcanvas.SvgCanvas#event:saved
* @returns {void}
*/
/**
* Its responsibilities (with regard to the object it is supplied in its 2nd argument) are:
* - inform user of any issues supplied via the "issues" property
* - convert the "svg" property SVG string into an image for export;
* utilize the properties "type" (currently 'PNG', 'JPEG', 'BMP',
* 'WEBP', 'PDF'), "mimeType", and "quality" (for 'JPEG' and 'WEBP'
* types) to determine the proper output.
* @function module:SVGthis.CustomHandler#exportImage
* @param {external:Window} win
* @param {module:svgcanvas.SvgCanvas#event:exported} data
* @listens module:svgcanvas.SvgCanvas#event:exported
* @returns {void}
*/
/**
* @function module:SVGthis.CustomHandler#exportPDF
* @param {external:Window} win
* @param {module:svgcanvas.SvgCanvas#event:exportedPDF} data
* @listens module:svgcanvas.SvgCanvas#event:exportedPDF
* @returns {void}
*/
/**
* @function module:SVGthis.randomizeIds
* @param {boolean} arg
* @returns {void}
*/
randomizeIds(arg) {
this.svgCanvas.randomizeIds(arg);
}
/** @lends module:SVGEditor~Actions */
/**
* @returns {void}
*/
setAll() {
const keyHandler = {}; // will contain the action for each pressed key
this.shortcuts.forEach((shortcut) => {
// Bind function to shortcut key
if (shortcut.key) {
// Set shortcut based on options
let keyval = shortcut.key;
let pd = false;
if (Array.isArray(shortcut.key)) {
keyval = shortcut.key[0];
if (shortcut.key.length > 1) { pd = shortcut.key[1]; }
}
keyval = String(keyval);
const { fn } = shortcut;
keyval.split('/').forEach((key) => { keyHandler[key] = { fn, pd }; });
}
return true;
});
// register the keydown event
document.addEventListener('keydown', (e) => {
// only track keyboard shortcuts for the body containing the SVG-Editor
if (e.target.nodeName !== 'BODY') return;
// normalize key
const key = `${(e.altKey) ? 'alt+' : ''}${(e.shiftKey) ? 'shift+' : ''}${(e.metaKey) ? 'meta+' : ''}${(e.ctrlKey) ? 'ctrl+' : ''}${e.key.toLowerCase()}`;
// return if no shortcut defined for this key
if (!keyHandler[key]) return;
// launch associated handler and preventDefault if necessary
keyHandler[key].fn();
if (keyHandler[key].pd) {
e.preventDefault();
}
});
// Misc additional actions
// Make 'return' keypress trigger the change event
const elements = document.getElementsByClassName("attr_changer");
Array.from(elements).forEach(function (element) {
element.addEventListener('keydown', function (evt) {
evt.currentTarget.dispatchEvent(new Event('change'));
evt.preventDefault();
});
});
$id('image_url').addEventListener('keydown', function (evt) {
evt.currentTarget.dispatchEvent(new Event('change'));
evt.preventDefault();
});
}
// parents() https://stackoverflow.com/a/12981248
getParents(el, parentSelector /* optional */) {
// If no parentSelector defined will bubble up all the way to *document*
if (parentSelector === undefined) {
parentSelector = document;
}
const parents = [];
let p = el.parentNode;
while (p !== parentSelector) {
const o = p;
parents.push(o);
p = o.parentNode;
}
parents.push(parentSelector); // Push that parentSelector you wanted to stop at
return parents;
}
/**
* @returns {void}
*/
setTitles() {
// Tooltips not directly associated with a single function
const keyAssocs = {
'4/Shift+4': 'tools_rect',
'5/Shift+5': 'tools_ellipse'
};
Object.entries(keyAssocs).forEach(([ keyval, sel ]) => {
const parentsElements = this.getParents($id(sel), $id('main_menu'));
const menu = (parentsElements.length);
$qa(sel).forEach((element) => {
const t = (menu) ? element.textContent.split(' [')[0] : element.title.split(' [')[0];
let keyStr = '';
// Shift+Up
keyval.split('/').forEach((key, i) => {
const modBits = key.split('+');
let mod = '';
if (modBits.length > 1) {
mod = modBits[0] + '+';
key = modBits[1];
}
keyStr += (i ? '/' : '') + mod + (this.i18next.t('key_' + key) || key);
});
if (menu) {
this.lastChild.textContent = t + ' [' + keyStr + ']';
} else {
this.title = t + ' [' + keyStr + ']';
}
});
});
}
/**
* @param {string} sel Selector to match
* @returns {module:SVGthis.ToolButton}
*/
getButtonData(sel) {
return Object.values(this.shortcuts).find((btn) => {
return btn.sel === sel;
});
}
/**
* @param {external:Window} win
* @param {module:svgcanvas.SvgCanvas#event:exported} data
* @listens module:svgcanvas.SvgCanvas#event:exported
* @returns {void}
*/
exportHandler(win, data) {
const { issues, exportWindowName } = data;
this.exportWindow = window.open(blankPageObjectURL || '', exportWindowName); // A hack to get the window via JSON-able name without opening a new one
if (!this.exportWindow || this.exportWindow.closed) {
seAlert(this.i18next.t('notification.popupWindowBlocked'));
return;
}
this.exportWindow.location.href = data.bloburl || data.datauri;
const done = this.configObj.pref('export_notice_done');
if (done !== 'all') {
let note = this.i18next.t('notification.saveFromBrowser', { type: data.type });
// Check if there are issues
if (issues.length) {
const pre = '\n \u2022 ';
note += ('\n\n' + this.i18next.t('notification..noteTheseIssues') + pre + issues.join(pre));
}
// Note that this will also prevent the notice even though new issues may appear later.
// May want to find a way to deal with that without annoying the user
this.configObj.pref('export_notice_done', 'all');
seAlert(note);
}
}
/**
*
* @param {string} color
* @param {string} url
* @returns {void}
*/
setBackground(color, url) {
// if (color == this.configObj.pref('bkgd_color') && url == this.configObj.pref('bkgd_url')) { return; }
this.configObj.pref('bkgd_color', color);
this.configObj.pref('bkgd_url', url, true);
// This should be done in this.svgCanvas.js for the borderRect fill
this.svgCanvas.setBackground(color, url);
}
/**
* @function module:SVGthis.updateCanvas
* @param {boolean} center
* @param {module:math.XYObject} newCtr
* @returns {void}
*/
updateCanvas(center, newCtr) {
const zoom = this.svgCanvas.getZoom();
const { workarea } = this;
const cnvs = $id("svgcanvas");
let w = parseFloat(getComputedStyle(workarea, null).width.replace("px", ""));
let h = parseFloat(getComputedStyle(workarea, null).height.replace("px", ""));
const wOrig = w; const hOrig = h;
const oldCtr = {
x: workarea.scrollLeft + wOrig / 2,
y: workarea.scrollTop + hOrig / 2
};
const multi = this.configObj.curConfig.canvas_expansion;
w = Math.max(wOrig, this.svgCanvas.contentW * zoom * multi);
h = Math.max(hOrig, this.svgCanvas.contentH * zoom * multi);
if (w === wOrig && h === hOrig) {
workarea.style.overflow = 'hidden';
} else {
workarea.style.overflow = 'scroll';
}
const oldCanY = parseFloat(getComputedStyle(cnvs, null).height.replace("px", "")) / 2;
const oldCanX = parseFloat(getComputedStyle(cnvs, null).width.replace("px", "")) / 2;
cnvs.style.width = w + "px";
cnvs.style.height = h + "px";
const newCanY = h / 2;
const newCanX = w / 2;
const offset = this.svgCanvas.updateCanvas(w, h);
const ratio = newCanX / oldCanX;
const scrollX = w / 2 - wOrig / 2;
const scrollY = h / 2 - hOrig / 2;
if (!newCtr) {
const oldDistX = oldCtr.x - oldCanX;
const newX = newCanX + oldDistX * ratio;
const oldDistY = oldCtr.y - oldCanY;
const newY = newCanY + oldDistY * ratio;
newCtr = {
x: newX,
y: newY
};
} else {
newCtr.x += offset.x;
newCtr.y += offset.y;
}
if (center) {
// Go to top-left for larger documents
if (this.svgCanvas.contentW > parseFloat(getComputedStyle(workarea, null).width.replace("px", ""))) {
// Top-left
workarea.scrollLeft = offset.x - 10;
workarea.scrollTop = offset.y - 10;
} else {
// Center
workarea.scrollLeft = scrollX;
workarea.scrollTop = scrollY;
}
} else {
workarea.scrollLeft = newCtr.x - wOrig / 2;
workarea.scrollTop = newCtr.y - hOrig / 2;
}
if (this.configObj.curConfig.showRulers) {
this.rulers.updateRulers(cnvs, zoom);
workarea.scroll();
}
if (this.configObj.urldata.storagePrompt !== true && this.storagePromptState === 'ignore') {
if ($id("dialog_box") != null) $id("dialog_box").style.display = 'none';
}
}
/**
*
* @returns {void}
*/
updateWireFrame() {
const rule = `
#workarea.wireframe #svgcontent * {
stroke-width: ${1 / this.svgCanvas.getZoom()}px;
}
`;
if (document.querySelectorAll("#wireframe_rules").length > 0) {
document.querySelector("#wireframe_rules").textContent = (this.workarea.classList.contains('wireframe') ? rule : '');
}
}
/**
* @param {string} [title=svgCanvas.getDocumentTitle()]
* @returns {void}
*/
updateTitle(title) {
title = title || this.svgCanvas.getDocumentTitle();
const newTitle = document.querySelector('title').text + (title ? ': ' + title : '');
// Remove title update with current context info, isn't really necessary
// if (this.curContext) {
// new_title = new_title + this.curContext;
// }
document.querySelector('title').textContent = newTitle;
}
// called when we've selected a different element
/**
*
* @param {external:Window} win
* @param {module:svgcanvas.SvgCanvas#event:selected} elems Array of elements that were selected
* @listens module:svgcanvas.SvgCanvas#event:selected
* @fires module:svgcanvas.SvgCanvas#event:ext_selectedChanged
* @returns {void}
*/
selectedChanged(win, elems) {
const mode = this.svgCanvas.getMode();
if (mode === 'select') {
this.leftPanel.clickSelect();
}
const isNode = mode === 'pathedit';
// if this.elems[1] is present, then we have more than one element
this.selectedElement = (elems.length === 1 || isNullish(elems[1]) ? elems[0] : null);
this.multiselected = (elems.length >= 2 && !isNullish(elems[1]));
if (!isNullish(this.selectedElement) && !isNode) {
this.topPanel.update();
} // if (!isNullish(elem))
// Deal with pathedit mode
this.topPanel.togglePathEditMode(isNode, elems);
this.topPanel.updateContextPanel();
this.svgCanvas.runExtensions('selectedChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext_selectedChanged} */ {
elems,
selectedElement: this.selectedElement,
multiselected: this.multiselected
});
}
// Call when part of element is in process of changing, generally
// on mousemove actions like rotate, move, etc.
/**
* @param {external:Window} win
* @param {module:svgcanvas.SvgCanvas#event:transition} elems
* @listens module:svgcanvas.SvgCanvas#event:transition
* @fires module:svgcanvas.SvgCanvas#event:ext_elementTransition
* @returns {void}
*/
elementTransition(win, elems) {
const mode = this.svgCanvas.getMode();
const elem = elems[0];
if (!elem) {
return;
}
this.multiselected = (elems.length >= 2 && !isNullish(elems[1]));
// Only updating fields for single elements for now
if (!this.multiselected) {
switch (mode) {
case 'rotate': {
const ang = this.svgCanvas.getRotationAngle(elem);
$id('angle').value = ang;
(ang === 0) ? $id('tool_reorient').classList.add('disabled') : $id('tool_reorient').classList.remove('disabled');
break;
}
}
}
this.svgCanvas.runExtensions('elementTransition', /** @type {module:svgcanvas.SvgCanvas#event:ext_elementTransition} */ {
elems
});
}
// called when any element has changed
/**
* @param {external:Window} win
* @param {Array<PlainObject>} elems
* @listens module:svgcanvas.SvgCanvas#event:changed
* @fires module:svgcanvas.SvgCanvas#event:ext_elementChanged
* @returns {void}
*/
elementChanged(win, elems) {
const mode = this.svgCanvas.getMode();
if (mode === 'select') {
this.leftPanel.clickSelect();
}
elems.forEach((elem) => {
const isSvgElem = (elem && elem.tagName === 'svg');
if (isSvgElem || this.svgCanvas.isLayer(elem)) {
this.layersPanel.populateLayers();
// if the element changed was the svg, then it could be a resolution change
if (isSvgElem) {
this.updateCanvas();
}
// Update selectedElement if element is no longer part of the image.
// This occurs for the text elements in Firefox
} else if (elem && this.selectedElement && isNullish(this.selectedElement.parentNode)) {
// || elem && elem.tagName == "path" && !multiselected) { // This was added in r1430, but not sure why
this.selectedElement = elem;
}
});
this.showSaveWarning = true;
// we update the contextual panel with potentially new
// positional/sizing information (we DON'T want to update the
// toolbar here as that creates an infinite loop)
// also this updates the history buttons
// we tell it to skip focusing the text control if the
// text element was previously in focus
this.topPanel.updateContextPanel();
// In the event a gradient was flipped:
if (this.selectedElement && mode === 'select') {
this.bottomPanel.updateColorpickers();
}
this.svgCanvas.runExtensions('elementChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext_elementChanged} */ {
elems
});
}
/**
* @returns {void}
*/
zoomDone() {
this.updateWireFrame();
}
/**
* @typedef {PlainObject} module:SVGthis.BBoxObjectWithFactor (like `DOMRect`)
* @property {Float} x
* @property {Float} y
* @property {Float} width
* @property {Float} height
* @property {Float} [factor] Needed if width or height are 0
* @property {Float} [zoom]
* @see module:svgcanvas.SvgCanvas#event:zoomed
*/
/**
* @function module:svgcanvas.SvgCanvas#zoomChanged
* @param {external:Window} win
* @param {module:svgcanvas.SvgCanvas#event:zoomed} bbox
* @param {boolean} autoCenter
* @listens module:svgcanvas.SvgCanvas#event:zoomed
* @returns {void}
*/
zoomChanged(win, bbox, autoCenter) {
const scrbar = 15;
const zInfo = this.svgCanvas.setBBoxZoom(bbox, parseFloat(getComputedStyle(this.workarea, null).width.replace("px", "")) - scrbar, parseFloat(getComputedStyle(this.workarea, null).height.replace("px", "")) - scrbar);
if (!zInfo) { return; }
const zoomlevel = zInfo.zoom;
const bb = zInfo.bbox;
if (zoomlevel < 0.001) {
this.changeZoom(0.1);
return;
}
$id('zoom').value = (this.svgCanvas.getZoom() * 100).toFixed(1);
if (autoCenter) {
this.updateCanvas();
} else {
this.updateCanvas(
false,
{ x: bb.x * zoomlevel + (bb.width * zoomlevel) / 2, y: bb.y * zoomlevel + (bb.height * zoomlevel) / 2 }
);
}
if (this.svgCanvas.getMode() === 'zoom' && bb.width) {
// Go to select if a zoom box was drawn
this.leftPanel.clickSelect();
}
this.zoomDone();
}
/**
* @param {external:Window} win
* @param {module:svgcanvas.SvgCanvas#event:contextset} context
* @listens module:svgcanvas.SvgCanvas#event:contextset
* @returns {void}
*/
contextChanged(win, context) {
let linkStr = '';
if (context) {
let str = '';
linkStr = '<a href="#" data-root="y">' + this.svgCanvas.getCurrentDrawing().getCurrentLayerName() + '</a>';
const parentsUntil = getParentsUntil(context, '#svgcontent');
parentsUntil.forEach(function (parent) {
if (parent.id) {
str += ' > ' + parent.id;
linkStr += (parent !== context) ? ` > <a href="#">${parent.id}</a>` : ` > ${parent.id}`;
}
});
this.curContext = str;
} else {
this.curContext = null;
}
$id('cur_context_panel').style.display = context ? 'block' : 'none';
// eslint-disable-next-line no-unsanitized/property
$id('cur_context_panel').innerHTML = linkStr;
this.updateTitle();
}
/**
* @function module:SVGEditor.setIcon
* @param {string|Element|external:jQuery} elem
* @param {string|external:jQuery} iconId
* @returns {void}
*/
setIcon(elem, iconId) {
// eslint-disable-next-line max-len
const img = document.createElement("img");
img.src = this.configObj.curConfig.imgPath + iconId;
const icon = (typeof iconId === 'string') ? img : iconId.cloneNode(true);
if (!icon) {
// Todo: Investigate why this still occurs in some cases
console.warn('NOTE: Icon image missing: ' + iconId);
return;
}
// empty()
while ($id(elem).firstChild)
$id(elem).removeChild($id(elem).firstChild);
$id(elem).appendChild(icon);
}
/**
* @param {external:Window} win
* @param {module:svgcanvas.SvgCanvas#event:extension_added} ext
* @listens module:svgcanvas.SvgCanvas#event:extension_added
* @returns {Promise<void>|void} Resolves to `undefined`
*/
async extAdded(win, ext) {
if (!ext) {
return undefined;
}
let cbCalled = false;
/**
*
* @returns {void}
*/
const runCallback = () => {
if (ext.callback && !cbCalled) {
cbCalled = true;
ext.callback.call(this);
}
};
if (ext.events) {
this.leftPanel.add(ext.events.id, ext.events.click);
}
return runCallback();
}
/**
* @param {Float} multiplier
* @returns {void}
*/
zoomImage(multiplier) {
const resolution = this.svgCanvas.getResolution();
multiplier = multiplier ? resolution.zoom * multiplier : 1;
// setResolution(res.w * multiplier, res.h * multiplier, true);
$id('zoom').value = (multiplier * 100).toFixed(1);
this.svgCanvas.setZoom(multiplier);
this.zoomDone();
this.updateCanvas(true);
}
/**
*
* @returns {void}
*/
cutSelected() {
if (!isNullish(this.selectedElement) || this.multiselected) {
this.svgCanvas.cutSelectedElements();
}
}
/**
* @function copySelected
* @returns {void}
*/
copySelected() {
if (!isNullish(this.selectedElement) || this.multiselected) {
this.svgCanvas.copySelectedElements();
}
}
/**
*
* @returns {void}
*/
pasteInCenter() {
const { workarea } = this;
const zoom = this.svgCanvas.getZoom();
const x = (workarea.scrollLeft + parseFloat(getComputedStyle(workarea, null).width.replace("px", "")) / 2) / zoom - this.svgCanvas.contentW;
const y = (workarea.scrollTop + parseFloat(getComputedStyle(workarea, null).height.replace("px", "")) / 2) / zoom - this.svgCanvas.contentH;
this.svgCanvas.pasteElements('point', x, y);
}
/**
* @param {"Up"|"Down"} dir
* @returns {void}
*/
moveUpDownSelected(dir) {
if (!isNullish(this.selectedElement)) {
this.svgCanvas.moveUpDownSelected(dir);
}
}
/**
* @param {Float} dx
* @param {Float} dy
* @returns {void}
*/
moveSelected(dx, dy) {
if (!isNullish(this.selectedElement) || this.multiselected) {
if (this.configObj.curConfig.gridSnapping) {
// Use grid snap value regardless of zoom level
const multi = this.svgCanvas.getZoom() * this.configObj.curConfig.snappingStep;
dx *= multi;
dy *= multi;
}
this.svgCanvas.moveSelectedElements(dx, dy);
}
}
/**
*
* @returns {void}
*/
selectNext() {
this.svgCanvas.cycleElement(1);
}
/**
*
* @returns {void}
*/
selectPrev() {
this.svgCanvas.cycleElement(0);
}
/**
* @param {0|1} cw
* @param {Integer} step
* @returns {void}
*/
rotateSelected(cw, step) {
if (isNullish(this.selectedElement) || this.multiselected) { return; }
if (!cw) { step *= -1; }
const angle = Number.parseFloat($id('angle').value) + step;
this.svgCanvas.setRotationAngle(angle);
this.topPanel.updateContextPanel();
}
/**
*
* @returns {void}
*/
// eslint-disable-next-line class-methods-use-this
hideSourceEditor() {
const $editorDialog = $id('se-svg-editor-dialog');
$editorDialog.setAttribute('dialog', 'closed');
}
/**
* @param {Event} e
* @returns {void} Resolves to `undefined`
*/
async saveSourceEditor(e) {
const $editorDialog = $id('se-svg-editor-dialog');
if ($editorDialog.getAttribute('dialog') !== 'open') return;
const saveChanges = () => {
this.svgCanvas.clearSelection();
this.hideSourceEditor();
this.zoomImage();
this.layersPanel.populateLayers();
this.updateTitle();
};
if (!this.svgCanvas.setSvgString(e.detail.value)) {
const ok = await seConfirm(this.i18next.t('notification.QerrorsRevertToSource'));
if (ok === false || ok === 'Cancel') {
return;
}
saveChanges();
return;
}
saveChanges();
this.leftPanel.clickSelect();
}
/**
* @param {Event} e
* @returns {void} Resolves to `undefined`
*/
cancelOverlays(e) {
if ($id("dialog_box") != null) $id("dialog_box").style.display = 'none';
const $editorDialog = $id('se-svg-editor-dialog');
const editingsource = $editorDialog.getAttribute('dialog') === 'open';
if (!editingsource && !this.docprops && !this.configObj.preferences) {
if (this.curContext) {
this.svgCanvas.leaveContext();
}
return;
}
if (editingsource) {
const origSource = this.svgCanvas.getSvgString();
if (origSource !== e.detail.value) {
const ok = seConfirm(this.i18next.t('notification.QignoreSourceChanges'));
if (ok) {
this.hideSourceEditor();
}
} else {
this.hideSourceEditor();
}
}
}
/**
* @returns {void}
*/
enableOrDisableClipboard() {
let svgeditClipboard;
try {
svgeditClipboard = this.localStorage.getItem('svgedit_clipboard');
} catch (err) {/* empty fn */ }
this.canvMenu.setAttribute((svgeditClipboard ? 'en' : 'dis') + 'ablemenuitems', '#paste,#paste_in_place');
}
/**
* @function module:SVGthis.openPrep
* @returns {boolean|Promise<boolean>} Resolves to boolean indicating `true` if there were no changes
* and `false` after the user confirms.
*/
async openPrep() {
if (this.svgCanvas.undoMgr.getUndoStackSize() === 0) {
return true;
}
return await seConfirm(this.i18next.t('notification.QwantToOpen'));
}
/**
*
* @param {Event} e
* @returns {void}
*/
// eslint-disable-next-line class-methods-use-this
onDragEnter(e) {
e.stopPropagation();
e.preventDefault();
// and indicator should be displayed here, such as "drop files here"
}
/**
*
* @param {Event} e
* @returns {void}
*/
// eslint-disable-next-line class-methods-use-this
onDragOver(e) {
e.stopPropagation();
e.preventDefault();
}
/**
*
* @param {Event} e
* @returns {void}
*/
// eslint-disable-next-line class-methods-use-this
onDragLeave(e) {
e.stopPropagation();
e.preventDefault();
// hypothetical indicator should be removed here
}
/**
* @function module:SVGthis.setLang
* @param {string} lang The language code
* @param {module:locale.LocaleStrings} allStrings See {@tutorial LocaleDocs}
* @fires module:svgcanvas.SvgCanvas#event:ext_langReady
* @fires module:svgcanvas.SvgCanvas#event:ext_langChanged
* @returns {void} A Promise which resolves to `undefined`
*/
setLang(lang) {
this.langChanged = true;
this.configObj.pref('lang', lang);
const $editDialog = $id('se-edit-prefs');
$editDialog.setAttribute('lang', lang);
const oldLayerName = ($id('#layerlist')) ? $id('#layerlist').querySelector('tr.layersel td.layername').textContent : "";
const renameLayer = (oldLayerName === this.i18next.t('notification.common.layer') + ' 1');
this.setTitles();
if (renameLayer) {
this.svgCanvas.renameCurrentLayer(this.i18next.t('notification.common.layer') + ' 1');
this.layersPanel.populateLayers();
}
this.svgCanvas.runExtensions('langChanged', /** @type {module:svgcanvas.SvgCanvas#event:ext_langChanged} */ lang);
}
/**
* @callback module:SVGthis.ReadyCallback
* @returns {Promise<void>|void}
*/
/**
* Queues a callback to be invoked when the editor is ready (or
* to be invoked immediately if it is already ready--i.e.,
* if `runCallbacks` has been run).
* @function module:SVGthis.ready
* @param {module:SVGthis.ReadyCallback} cb Callback to be queued to invoke
* @returns {Promise<ArbitraryCallbackResult>} Resolves when all callbacks, including the supplied have resolved
*/
ready(cb) {
return new Promise((resolve, reject) => {
if (this.isReady) {
resolve(cb());
return;
}
this.callbacks.push([ cb, resolve, reject ]);
});
}
/**
* Invokes the callbacks previous set by `svgthis.ready`
* @function module:SVGthis.runCallbacks
* @returns {Promise<void>} Resolves to `undefined` if all callbacks succeeded and rejects otherwise
*/
async runCallbacks() {
try {
await Promise.all(this.callbacks.map(([ cb ]) => {
return cb();
}));
} catch (err) {
this.callbacks.forEach(([ , , reject ]) => {
reject();
});
throw err;
}
this.callbacks.forEach(([ , resolve ]) => {
resolve();
});
this.isReady = true;
}
/**
* @function module:SVGthis.loadFromString
* @param {string} str The SVG string to load
* @param {PlainObject} [opts={}]
* @param {boolean} [opts.noAlert=false] Option to avoid alert to user and instead get rejected promise
* @returns {Promise<void>}
*/
loadFromString(str, { noAlert } = {}) {
return this.ready(async () => {
try {
await this.loadSvgString(str, { noAlert });
} catch (err) {
if (noAlert) {
throw err;
}
}
});
}
/**
* @callback module:SVGthis.URLLoadCallback
* @param {boolean} success
* @returns {void}
*/
/**
* @function module:SVGthis.loadFromURL
* @param {string} url URL from which to load an SVG string via Ajax
* @param {PlainObject} [opts={}] May contain properties: `cache`, `callback`
* @param {boolean} [opts.cache]
* @param {boolean} [opts.noAlert]
* @returns {Promise<void>} Resolves to `undefined` or rejects upon bad loading of
* the SVG (or upon failure to parse the loaded string) when `noAlert` is
* enabled
*/
loadFromURL(url, { cache, noAlert } = {}) {
return this.ready(() => {
return new Promise((resolve, reject) => {
fetch (url, { cache: cache ? 'force-cache' : 'no-cache' })
.then( (response) =>
{
if (!response.ok) {
if (noAlert) {
reject(new Error('URLLoadFail'));
return;
}
seAlert(this.i18next.t('notification.URLLoadFail') );
resolve();
}
return response.text();
})
.then( (str) =>
{
this.loadSvgString(str, { noAlert });
return str;
})
.catch( (error) => {
if (noAlert) {
reject(new Error('URLLoadFail'));
return;
}
seAlert(this.i18next.t('notification.URLLoadFail') + ': \n' + error);
resolve();
});
});
});
}
/**
* @function module:SVGthis.loadFromDataURI
* @param {string} str The Data URI to base64-decode (if relevant) and load
* @param {PlainObject} [opts={}]
* @param {boolean} [opts.noAlert]
* @returns {Promise<void>} Resolves to `undefined` and rejects if loading SVG string fails and `noAlert` is enabled
*/
loadFromDataURI(str, { noAlert } = {}) {
return this.ready(() => {
let base64 = false;
let pre = str.match(/^data:image\/svg\+xml;base64,/);
if (pre) {
base64 = true;
} else {
pre = str.match(/^data:image\/svg\+xml(?:;|;utf8)?,/);
}
if (pre) {
pre = pre[0];
}
const src = str.slice(pre.length);
return this.loadSvgString(base64 ? decode64(src) : decodeURIComponent(src), { noAlert });
});
}
/**
* @function module:SVGthis.addExtension
* @param {string} name Used internally; no need for i18n.
* @param {module:svgcanvas.ExtensionInitCallback} initfn Config to be invoked on this module
* @param {module:svgcanvas.ExtensionInitArgs} initArgs
* @throws {Error} If called too early
* @returns {Promise<void>} Resolves to `undefined`
*/
addExtension(name, initfn, initArgs) {
// Note that we don't want this on this.ready since some extensions
// may want to run before then (like server_opensave).
if (!this.svgCanvas) {
throw new Error('Extension added too early');
}
return this.svgCanvas.addExtension.call(this, name, initfn, initArgs);
}
}
export default Editor;
</code></pre>
</article>
</section>
</div>
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href="BottomPanel.html">BottomPanel</a></li><li><a href="configObj.html">configObj</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="external-jQuery.jGraduate.Paint.html">Paint</a></li><li><a href="external-jQuery.jPicker.Color.html">Color</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="module.exports.html">exports</a></li><li><a href="module.exports_module.exports.html">exports</a></li><li><a href="module-draw.Drawing.html">Drawing</a></li><li><a href="module-draw.Layer.html">Layer</a></li><li><a href="module-history.BatchCommand.html">BatchCommand</a></li><li><a href="module-history.ChangeElementCommand.html">ChangeElementCommand</a></li><li><a href="module-history.Command.html">Command</a></li><li><a href="module-history.HistoryRecordingService.html">HistoryRecordingService</a></li><li><a href="module-history.InsertElementCommand.html">InsertElementCommand</a></li><li><a href="module-history.MoveElementCommand.html">MoveElementCommand</a></li><li><a href="module-history.RemoveElementCommand.html">RemoveElementCommand</a></li><li><a href="module-history.UndoManager.html">UndoManager</a></li><li><a href="module-jPicker.module.exports.html">module.exports</a></li><li><a href="module-layer.Layer.html">Layer</a></li><li><a href="module-path.Path.html">Path</a></li><li><a href="module-path.Segment.html">Segment</a></li><li><a href="module-select.Selector.html">Selector</a></li><li><a href="module-select.SelectorManager.html">SelectorManager</a></li><li><a href="module-svgcanvas.SvgCanvas.html">SvgCanvas</a></li><li><a href="module-SVGEditor-Editor.html">Editor</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="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="SEInput.html">SEInput</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="SEPalette.html">SEPalette</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="SESpinInput.html">SESpinInput</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></ul><h3>Interfaces</h3><ul><li><a href="module-coords.EditorContext.html">EditorContext</a></li><li><a href="module-draw.DrawCanvasInit.html">DrawCanvasInit</a></li><li><a href="module-history.HistoryCommand.html">HistoryCommand</a></li><li><a href="module-history.HistoryEventHandler.html">HistoryEventHandler</a></li><li><a href="module-locale.LocaleEditorInit.html">LocaleEditorInit</a></li><li><a href="module-path.EditorContext.html">EditorContext</a></li><li><a href="module-recalculate.EditorContext.html">EditorContext</a></li><li><a href="module-select.SVGFactory.html">SVGFactory</a></li><li><a href="module-svgcanvas.PrivateMethods.html">PrivateMethods</a></li><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-units.ElementContainer.html">ElementContainer</a></li><li><a href="module-utilities.EditorContext.html">EditorContext</a></li></ul><h3>Events</h3><ul><li><a href="module-history-Command.html#event:event:history">history</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:changed">changed</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:cleared">cleared</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:contextset">contextset</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:exported">exported</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:exportedPDF">exportedPDF</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:ext_addLangData">ext_addLangData</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:ext_callback">ext_callback</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:ext_canvasUpdated">ext_canvasUpdated</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:ext_elementChanged">ext_elementChanged</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:ext_elementTransition">ext_elementTransition</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:ext_IDsUpdated">ext_IDsUpdated</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:ext_langChanged">ext_langChanged</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:ext_langReady">ext_langReady</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:ext_mouseDown">ext_mouseDown</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:ext_mouseMove">ext_mouseMove</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:ext_mouseUp">ext_mouseUp</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:ext_onNewDocument">ext_onNewDocument</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:ext_selectedChanged">ext_selectedChanged</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:ext_toolButtonStateUpdate">ext_toolButtonStateUpdate</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:ext_workareaResized">ext_workareaResized</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:ext_zoomChanged">ext_zoomChanged</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:extension_added">extension_added</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:extensions_added">extensions_added</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:GenericCanvasEvent">GenericCanvasEvent</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:message">message</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:pointsAdded">pointsAdded</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:saved">saved</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:selected">selected</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:setnonce">setnonce</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:transition">transition</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:unsetnonce">unsetnonce</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:updateCanvas">updateCanvas</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:zoomDone">zoomDone</a></li><li><a href="module-svgcanvas.SvgCanvas.html#event:event:zoomed">zoomed</a></li><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#expireCookie">expireCookie</a></li><li><a href="global.html#findPos">findPos</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
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