/* globals jQuery */
|
/**
|
* ext-imagelib.js
|
*
|
* @license MIT
|
*
|
* @copyright 2010 Alexis Deveria
|
*
|
*/
|
export default {
|
name: 'imagelib',
|
async init ({decode64, importLocale, dropXMLInternalSubset}) {
|
const imagelibStrings = await importLocale();
|
|
const modularVersion = !('svgEditor' in window) ||
|
!window.svgEditor ||
|
window.svgEditor.modules !== false;
|
|
const svgEditor = this;
|
|
const $ = jQuery;
|
const {uiStrings, canvas: svgCanvas, curConfig: {extIconsPath}} = svgEditor;
|
|
imagelibStrings.imgLibs = imagelibStrings.imgLibs.map(({name, url, description}) => {
|
// Todo: Adopt some standard formatting library like `fluent.js` instead
|
url = url
|
.replace(/\{path\}/g, extIconsPath)
|
.replace(/\{modularVersion\}/g, modularVersion
|
? (imagelibStrings.moduleEnding || '-es')
|
: ''
|
);
|
return {name, url, description};
|
});
|
const allowedImageLibOrigins = imagelibStrings.imgLibs.map(({url}) => {
|
try {
|
return new URL(url).origin;
|
} catch (err) {
|
return location.origin;
|
}
|
});
|
|
function closeBrowser () {
|
$('#imgbrowse_holder').hide();
|
}
|
|
function importImage (url) {
|
const newImage = svgCanvas.addSVGElementFromJson({
|
element: 'image',
|
attr: {
|
x: 0,
|
y: 0,
|
width: 0,
|
height: 0,
|
id: svgCanvas.getNextId(),
|
style: 'pointer-events:inherit'
|
}
|
});
|
svgCanvas.clearSelection();
|
svgCanvas.addToSelection([newImage]);
|
svgCanvas.setImageURL(url);
|
}
|
|
const pending = {};
|
|
let mode = 's';
|
let multiArr = [];
|
let transferStopped = false;
|
let preview, submit;
|
|
// Receive `postMessage` data
|
window.addEventListener('message', function ({origin, data: response}) {
|
if (!response || !['string', 'object'].includes(typeof response)) {
|
// Do nothing
|
return;
|
}
|
let id;
|
let type;
|
try {
|
// Todo: This block can be removed (and the above check changed to
|
// insist on an object) if embedAPI moves away from a string to
|
// an object (if IE9 support not needed)
|
response = typeof response === 'object' ? response : JSON.parse(response);
|
if (response.namespace !== 'imagelib') {
|
return;
|
}
|
if (!allowedImageLibOrigins.includes('*') && !allowedImageLibOrigins.includes(origin)) {
|
console.log(`Origin ${origin} not whitelisted for posting to ${window.origin}`);
|
return;
|
}
|
const hasName = 'name' in response;
|
const hasHref = 'href' in response;
|
|
if (!hasName && transferStopped) {
|
transferStopped = false;
|
return;
|
}
|
|
if (hasHref) {
|
id = response.href;
|
response = response.data;
|
}
|
|
// Hide possible transfer dialog box
|
$('#dialog_box').hide();
|
type = hasName
|
? 'meta'
|
: response.charAt(0);
|
} catch (e) {
|
// This block is for backward compatibility (for IAN and Openclipart);
|
// should otherwise return
|
if (typeof response === 'string') {
|
const char1 = response.charAt(0);
|
|
if (char1 !== '{' && transferStopped) {
|
transferStopped = false;
|
return;
|
}
|
|
if (char1 === '|') {
|
const secondpos = response.indexOf('|', 1);
|
id = response.substr(1, secondpos - 1);
|
response = response.substr(secondpos + 1);
|
type = response.charAt(0);
|
}
|
}
|
}
|
|
let entry, curMeta, svgStr, imgStr;
|
switch (type) {
|
case 'meta': {
|
// Metadata
|
transferStopped = false;
|
curMeta = response;
|
|
// Should be safe to add dynamic property as passed metadata
|
pending[curMeta.id] = curMeta; // lgtm [js/remote-property-injection]
|
|
const name = (curMeta.name || 'file');
|
|
const message = uiStrings.notification.retrieving.replace('%s', name);
|
|
if (mode !== 'm') {
|
$.process_cancel(message, function () {
|
transferStopped = true;
|
// Should a message be sent back to the frame?
|
|
$('#dialog_box').hide();
|
});
|
} else {
|
entry = $('<div>').text(message).data('id', curMeta.id);
|
preview.append(entry);
|
curMeta.entry = entry;
|
}
|
|
return;
|
}
|
case '<':
|
svgStr = true;
|
break;
|
case 'd': {
|
if (response.startsWith('data:image/svg+xml')) {
|
const pre = 'data:image/svg+xml;base64,';
|
const src = response.substring(pre.length);
|
response = decode64(src);
|
svgStr = true;
|
break;
|
} else if (response.startsWith('data:image/')) {
|
imgStr = true;
|
break;
|
}
|
}
|
// Else fall through
|
default:
|
// TODO: See if there's a way to base64 encode the binary data stream
|
// const str = 'data:;base64,' + svgedit.utilities.encode64(response, true);
|
|
// Assume it's raw image data
|
// importImage(str);
|
|
// Don't give warning as postMessage may have been used by something else
|
if (mode !== 'm') {
|
closeBrowser();
|
} else {
|
pending[id].entry.remove();
|
}
|
// $.alert('Unexpected data was returned: ' + response, function() {
|
// if (mode !== 'm') {
|
// closeBrowser();
|
// } else {
|
// pending[id].entry.remove();
|
// }
|
// });
|
return;
|
}
|
|
switch (mode) {
|
case 's':
|
// Import one
|
if (svgStr) {
|
svgCanvas.importSvgString(response);
|
} else if (imgStr) {
|
importImage(response);
|
}
|
closeBrowser();
|
break;
|
case 'm':
|
// Import multiple
|
multiArr.push([(svgStr ? 'svg' : 'img'), response]);
|
curMeta = pending[id];
|
let title;
|
if (svgStr) {
|
if (curMeta && curMeta.name) {
|
title = curMeta.name;
|
} else {
|
// Try to find a title
|
// `dropXMLInternalSubset` is to help prevent the billion laughs attack
|
const xml = new DOMParser().parseFromString(dropXMLInternalSubset(response), 'text/xml').documentElement; // lgtm [js/xml-bomb]
|
title = $(xml).children('title').first().text() || '(SVG #' + response.length + ')';
|
}
|
if (curMeta) {
|
preview.children().each(function () {
|
if ($(this).data('id') === id) {
|
if (curMeta.preview_url) {
|
$(this).html(
|
$('<span>').append(
|
$('<img>').attr('src', curMeta.preview_url),
|
document.createTextNode(title)
|
)
|
);
|
} else {
|
$(this).text(title);
|
}
|
submit.removeAttr('disabled');
|
}
|
});
|
} else {
|
preview.append(
|
$('<div>').text(title)
|
);
|
submit.removeAttr('disabled');
|
}
|
} else {
|
if (curMeta && curMeta.preview_url) {
|
title = curMeta.name || '';
|
}
|
if (curMeta && curMeta.preview_url) {
|
entry = $('<span>').append(
|
$('<img>').attr('src', curMeta.preview_url),
|
document.createTextNode(title)
|
);
|
} else {
|
entry = $('<img>').attr('src', response);
|
}
|
|
if (curMeta) {
|
preview.children().each(function () {
|
if ($(this).data('id') === id) {
|
$(this).html(entry);
|
submit.removeAttr('disabled');
|
}
|
});
|
} else {
|
preview.append($('<div>').append(entry));
|
submit.removeAttr('disabled');
|
}
|
}
|
break;
|
case 'o':
|
// Open
|
if (!svgStr) { break; }
|
svgEditor.openPrep(function (ok) {
|
if (!ok) { return; }
|
svgCanvas.clear();
|
svgCanvas.setSvgString(response);
|
// updateCanvas();
|
});
|
closeBrowser();
|
break;
|
}
|
}, true);
|
|
function toggleMulti (show) {
|
$('#lib_framewrap, #imglib_opts').css({right: (show ? 200 : 10)});
|
if (!preview) {
|
preview = $('<div id=imglib_preview>').css({
|
position: 'absolute',
|
top: 45,
|
right: 10,
|
width: 180,
|
bottom: 45,
|
background: '#fff',
|
overflow: 'auto'
|
}).insertAfter('#lib_framewrap');
|
|
submit = $('<button disabled>Import selected</button>')
|
.appendTo('#imgbrowse')
|
.on('click touchend', function () {
|
$.each(multiArr, function (i) {
|
const type = this[0];
|
const data = this[1];
|
if (type === 'svg') {
|
svgCanvas.importSvgString(data);
|
} else {
|
importImage(data);
|
}
|
svgCanvas.moveSelectedElements(i * 20, i * 20, false);
|
});
|
preview.empty();
|
multiArr = [];
|
$('#imgbrowse_holder').hide();
|
}).css({
|
position: 'absolute',
|
bottom: 10,
|
right: -10
|
});
|
}
|
|
preview.toggle(show);
|
submit.toggle(show);
|
}
|
|
function showBrowser () {
|
let browser = $('#imgbrowse');
|
if (!browser.length) {
|
$('<div id=imgbrowse_holder><div id=imgbrowse class=toolbar_button>' +
|
'</div></div>').insertAfter('#svg_docprops');
|
browser = $('#imgbrowse');
|
|
const allLibs = imagelibStrings.select_lib;
|
|
const libOpts = $('<ul id=imglib_opts>').appendTo(browser);
|
const frame = $('<iframe/>').prependTo(browser).hide().wrap('<div id=lib_framewrap>');
|
|
const header = $('<h1>').prependTo(browser).text(allLibs).css({
|
position: 'absolute',
|
top: 0,
|
left: 0,
|
width: '100%'
|
});
|
|
const cancel = $('<button>' + uiStrings.common.cancel + '</button>')
|
.appendTo(browser)
|
.on('click touchend', function () {
|
$('#imgbrowse_holder').hide();
|
}).css({
|
position: 'absolute',
|
top: 5,
|
right: -10
|
});
|
|
const leftBlock = $('<span>').css({position: 'absolute', top: 5, left: 10}).appendTo(browser);
|
|
const back = $('<button hidden>' + imagelibStrings.show_list + '</button>')
|
.appendTo(leftBlock)
|
.on('click touchend', function () {
|
frame.attr('src', 'about:blank').hide();
|
libOpts.show();
|
header.text(allLibs);
|
back.hide();
|
}).css({
|
'margin-right': 5
|
}).hide();
|
|
/* const type = */ $('<select><option value=s>' +
|
imagelibStrings.import_single + '</option><option value=m>' +
|
imagelibStrings.import_multi + '</option><option value=o>' +
|
imagelibStrings.open + '</option></select>').appendTo(leftBlock).change(function () {
|
mode = $(this).val();
|
switch (mode) {
|
case 's':
|
case 'o':
|
toggleMulti(false);
|
break;
|
|
case 'm':
|
// Import multiple
|
toggleMulti(true);
|
break;
|
}
|
}).css({
|
'margin-top': 10
|
});
|
|
cancel.prepend($.getSvgIcon('cancel', true));
|
back.prepend($.getSvgIcon('tool_imagelib', true));
|
|
imagelibStrings.imgLibs.forEach(function ({name, url, description}) {
|
$('<li>')
|
.appendTo(libOpts)
|
.text(name)
|
.on('click touchend', function () {
|
frame.attr(
|
'src',
|
url
|
).show();
|
header.text(name);
|
libOpts.hide();
|
back.show();
|
}).append(`<span>${description}</span>`);
|
});
|
} else {
|
$('#imgbrowse_holder').show();
|
}
|
}
|
|
const buttons = [{
|
id: 'tool_imagelib',
|
type: 'app_menu', // _flyout
|
icon: extIconsPath + 'imagelib.png',
|
position: 4,
|
events: {
|
mouseup: showBrowser
|
}
|
}];
|
|
return {
|
svgicons: extIconsPath + 'ext-imagelib.xml',
|
buttons: imagelibStrings.buttons.map((button, i) => {
|
return Object.assign(buttons[i], button);
|
}),
|
callback () {
|
$('<style>').text(
|
'#imgbrowse_holder {' +
|
'position: absolute;' +
|
'top: 0;' +
|
'left: 0;' +
|
'width: 100%;' +
|
'height: 100%;' +
|
'background-color: rgba(0, 0, 0, .5);' +
|
'z-index: 5;' +
|
'}' +
|
'#imgbrowse {' +
|
'position: absolute;' +
|
'top: 25px;' +
|
'left: 25px;' +
|
'right: 25px;' +
|
'bottom: 25px;' +
|
'min-width: 300px;' +
|
'min-height: 200px;' +
|
'background: #B0B0B0;' +
|
'border: 1px outset #777;' +
|
'}' +
|
'#imgbrowse h1 {' +
|
'font-size: 20px;' +
|
'margin: .4em;' +
|
'text-align: center;' +
|
'}' +
|
'#lib_framewrap,' +
|
'#imgbrowse > ul {' +
|
'position: absolute;' +
|
'top: 45px;' +
|
'left: 10px;' +
|
'right: 10px;' +
|
'bottom: 10px;' +
|
'background: white;' +
|
'margin: 0;' +
|
'padding: 0;' +
|
'}' +
|
'#imgbrowse > ul {' +
|
'overflow: auto;' +
|
'}' +
|
'#imgbrowse > div {' +
|
'border: 1px solid #666;' +
|
'}' +
|
'#imglib_preview > div {' +
|
'padding: 5px;' +
|
'font-size: 12px;' +
|
'}' +
|
'#imglib_preview img {' +
|
'display: block;' +
|
'margin: 0 auto;' +
|
'max-height: 100px;' +
|
'}' +
|
'#imgbrowse li {' +
|
'list-style: none;' +
|
'padding: .5em;' +
|
'background: #E8E8E8;' +
|
'border-bottom: 1px solid #B0B0B0;' +
|
'line-height: 1.2em;' +
|
'font-style: sans-serif;' +
|
'}' +
|
'#imgbrowse li > span {' +
|
'color: #666;' +
|
'font-size: 15px;' +
|
'display: block;' +
|
'}' +
|
'#imgbrowse li:hover {' +
|
'background: #FFC;' +
|
'cursor: pointer;' +
|
'}' +
|
'#imgbrowse iframe {' +
|
'width: 100%;' +
|
'height: 100%;' +
|
'border: 0;' +
|
'}'
|
).appendTo('head');
|
}
|
};
|
}
|
};
|
