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// ==UserScript==
// @name BlendExchanger
// @include *blender.stackexchange.com/*
// @description Upload .blends to Blend-Exchange without leaving StackExchange
// @version 2.0.2
// @license GPL-3.0-or-later; http://www.gnu.org/licenses/gpl-3.0.txt
// @namespace blender.org
// @updateURL https://openuserjs.org/meta/gandalf3/BlendExchanger.meta.js
// @downloadURL https://openuserjs.org/src/scripts/gandalf3/BlendExchanger.user.js
// @icon data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAMAAAC6V%2B0%2FAAABaFBMVEUAAAAAAABUpudZo%2BD9%2Ff0BbMcKfdp1wO9bpOBNoeNClts3jdQ3kdgje8hbqt00jdjW1tYAe94dh9wAbca3t7f09PTQ0NDy8vLOzs7RaBPo6Oj3s3LTdSdotO%2FIyMj1rWlKdqz3sGrRbBr0eAD%2F%2F%2F%2F8%2BvmB0PmAzPhbpOCxw9tIisb028XtzLEzZKLahDv2ljrPZxKZ5f%2BW4v%2F9%2Ff2N2f16xvZvvPJRr%2BQzmtpJltJElNDr2Mjv1L5Hhr67u7sxdLWvr68fXqPtoV3clVvqnFfUeS7PZQ%2FOXQNXy%2Fvf7PJKufBmu%2B3s7OxisOs%2FrOhWsuZWpuH3699Epd%2BnwtxMnNjX19d5stbU1NTn3dP75dD75c%2BPrslKjMZDgrzz17s0eLnozLdwnKzqu5b5wInTqomllIH4un7kp3X0qWLjnWHypmD3qF2RclvQjVj2olHjk1DqlUr2mUDskj7ZfjT0jCj0iSLWcyDqdgVv3a2kAAAAFXRSTlMCAOv7fExK%2FfHl3dbMyKWdknRRNgeqtpszAAABIklEQVQY023R1XLCQBSA4YQCdW%2BybJcQQ%2BO4u9Xd3d319bskpcx0%2BC%2F24rs4M2cPQZKkp1Qo0FakGYHNW%2FJMW7kIK2zebQBA1Z0FoI1jHnpzAaNQ007%2BkKYoCuCMl5t6bn%2FY8Ys5Nw663%2B%2FYh4PIoMNCyLM8YhFCl%2FkYExlwmnj7ZTyj873o%2BqGfYRLh%2FglzptJAaDdULs7MJZh4LGxzYlQge3Xv48rFY2me8QdttnGCliFfqTz5OFXlpOVFf3AKz7yAPGzUXuWQyoWk5EogSOAgC8%2Bq2od4FPXt5JMbgZ4WPgoylYXapyh%2Bi%2Bm1NMb2RopQf9N1fSmVifd11ly9FppN4zSV6R3tIKBazW6NDE3%2BR4rGH9wFCTM7PoILZz52y34AnZsz2CzgIFUAAAAASUVORK5CYII%3D
// ==/UserScript==
// ==OpenUserJS==
// @author gandalf3
// ==/OpenUserJS==
// Additional credits: GiantCowFilms, CoDEmanX, and iKlsR
// Shortcut is Alt+B by default, you can change it here if you wish
function shortcutShouldFire(ev) {
return (ev.altKey && (ev.key == 'b'));
}
// URL of blend-exchange embedded upload view
const SiteURL = "https://blend-exchange.com"
const EmbedURL = SiteURL + "/embedUpload/?qurl=" + document.URL;
//Quiet debugging prints
console.log = function() {};
function main() {
console.log("running main!");
function startInjection() {
// We can't know the url of the question if it hasn't been asked yet, so don't just abort
if (document.URL.indexOf("blender.stackexchange.com/questions/ask") >= 1) {
console.log('Disabling BlendExchanger because you\'re currently asking a question.' +
'Come back and edit it once you\'ve posted it (so that we know the URL)');
return;
}
//try and add .blend button when any of these elements are clicked:
document.querySelectorAll('a.edit-post, ' +
'input[value="Add Another Answer"], ' + //adding multiple answers
'input[value="Improve"], ' + //improving suggested edits
'input[value="Edit"]' //editing close voted questions
).forEach(elem => {
elem.addEventListener('click', waitForButtonRow);
});
//define keyboard shortcut event handler (Alt+B)
document.querySelectorAll('textarea.wmd-input').forEach(elem => {
elem.addEventListener('keydown', ev => {
if (shortcutShouldFire(ev)) {
ev.preventDefault();
insertBlendFileDialog(this, EmbedURL);
}
});
});
waitForButtonRow();
}
// Repeatedly check for button rows and inject buttons into every one we find
function waitForButtonRow() {
console.log("waiting for button row..");
function testForButtonRow() {
if (counter > 60) {
console.log("did not find a place to put blend button within 30 seconds. giving up.");
return;
}
let button_rows = document.getElementsByClassName('wmd-button-row');
if (button_rows.length <= 0) {
setTimeout(testForButtonRow, 500);
counter++;
return;
}
for (button_row of button_rows) {
//if no blend button already exists, inject one
if (button_row.getElementsByClassName("wmd-blend-button").length == 0) {
injectButton(button_row);
}
}
}
var counter = 0;
setTimeout(testForButtonRow, 500);
}
function injectButton(buttonRow) {
var blendButtonId = 'wmd-blend-button' + buttonRow.getAttribute("id").replace(/[^0-9]+/g, "");
var li = document.createElement('li');
li.setAttribute('id', blendButtonId);
li.setAttribute('title', 'Upload .blend to Blend-Exchange (Alt+B)');
li.classList.add('wmd-button', 'wmd-blend-button');
var respond_to_click = true;
li.addEventListener('click', () => {
//prevent user from clicking too many times too quickly; ignore secondary clicks which occur within 500ms
console.log(respond_to_click);
if (respond_to_click == true) {
respond_to_click = false;
insertBlendFileDialog(buttonRow.parentNode.parentNode.querySelector(".wmd-input"), EmbedURL);
setTimeout(function() { respond_to_click = true }, 500);
}
});
//insert out button after the image button
let image_button = buttonRow.querySelector("[id^=wmd-image]");
buttonRow.insertBefore(li, image_button.nextSibling);
//Add image element with base64 encoded png icon
let icon = document.createElement('img');
icon.setAttribute('src','data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAMAAAC6V%2B0%2FAAABaFBMVEUAAAAAAA\
BUpudZo%2BD9%2Ff0BbMcKfdp1wO9bpOBNoeNClts3jdQ3kdgje8hbqt00jdjW1tYAe94dh9wAbca3t7f09PTQ0ND\
y8vLOzs7RaBPo6Oj3s3LTdSdotO%2FIyMj1rWlKdqz3sGrRbBr0eAD%2F%2F%2F%2F8%2BvmB0PmAzPhbpOCxw9tIi\
sb028XtzLEzZKLahDv2ljrPZxKZ5f%2BW4v%2F9%2Ff2N2f16xvZvvPJRr%2BQzmtpJltJElNDr2Mjv1L5Hhr67u7sx\
dLWvr68fXqPtoV3clVvqnFfUeS7PZQ%2FOXQNXy%2Fvf7PJKufBmu%2B3s7OxisOs%2FrOhWsuZWpuH3699Epd%2Bnwt\
xMnNjX19d5stbU1NTn3dP75dD75c%2BPrslKjMZDgrzz17s0eLnozLdwnKzqu5b5wInTqomllIH4un7kp3X0qWLjnWHyp\
mD3qF2RclvQjVj2olHjk1DqlUr2mUDskj7ZfjT0jCj0iSLWcyDqdgVv3a2kAAAAFXRSTlMCAOv7fExK%2FfHl3dbMyKWdk\
nRRNgeqtpszAAABIklEQVQY023R1XLCQBSA4YQCdW%2BybJcQQ%2BO4u9Xd3d319bskpcx0%2BC%2F24rs4M2cPQZKkp1Qo\
0FakGYHNW%2FJMW7kIK2zebQBA1Z0FoI1jHnpzAaNQ007%2BkKYoCuCMl5t6bn%2FY8Ys5Nw663%2B%2FYh4PIoMNCyLM8Yh\
FCl%2FkYExlwmnj7ZTyj873o%2BqGfYRLh%2FglzptJAaDdULs7MJZh4LGxzYlQge3Xv48rFY2me8QdttnGCliFfqTz5OFXlp\
OVFf3AKz7yAPGzUXuWQyoWk5EogSOAgC8%2Bq2od4FPXt5JMbgZ4WPgoylYXapyh%2Bi%2Bm1NMb2RopQf9N1fSmVifd11ly9F\
ppN4zSV6R3tIKBazW6NDE3%2BR4rGH9wFCTM7PoILZz52y34AnZsz2CzgIFUAAAAASUVORK5CYII%3D');
li.appendChild(icon);
}
function insertBlendFileDialog(txta, url) {
//popup size
var popupWidth = 640;
var popupHeight = 400;
var left = ((window.outerWidth/2)+window.screenX)-(popupWidth/2);
var top = ((window.outerHeight/2)+window.screenY)-(popupHeight/2);
console.log("left", left);
console.log("top", top);
var blendUploadWindow = window.open(url, "Blend-Exchange wormhole portal vortex uploader thingy", "width=" + popupWidth + ",height=" + popupHeight + ",toolbar=no,menubar=no,location=no,status=no,scrollbars=yes,resizable=no,left=" + left + ",top=" + top);
window.addEventListener("message", function (event) {
//It is necessary to check the origin form stopping foreign pages hijacking the event
if (event.data.name == "embedSource" && event.origin == SiteURL) {
//Get the embed code
embedCode = event.data.content;
insertBlendFile(txta, embedCode);
//Check if window is closed, if not close it
if (false == blendUploadWindow.closed) {
blendUploadWindow.close();
}
} else {
console.log("Unknown event fired", event);
}
});
};
function insertBlendFile(txta,embedCode) {
if (txta.selectionStart == null) {
console.log("selectionStart is null? aborting");
return;
}
var start = txta.selectionStart;
var end = txta.selectionEnd;
var chars = txta.value;
console.log("chars: " + chars);
//separate selection from rest of body
var pre = chars.slice(0, start);
var post = chars.slice(end);
//put everything back together again
txta.value = pre + embedCode + post;
//highlight newly added embed code
txta.selectionStart = pre.length;
txta.selectionEnd = pre.length + embedCode.length;
txta.focus();
updateMarkdownPreview(txta);
}
//function to force update the live markdown render
function updateMarkdownPreview(element) {
var keyboardEvent = document.createEvent("KeyboardEvent");
var initMethod = typeof keyboardEvent.initKeyboardEvent !== 'undefined' ? "initKeyboardEvent" : "initKeyEvent";
//horrible hack so undo after inserting blend tags only removes blend tags
keyboardEvent[initMethod](
"keydown", // event type : keydown, keyup, keypress
true, // bubbles
true, // cancelable
window, // viewArg: should be window
false, // ctrlKeyArg
false, // altKeyArg
false, // shiftKeyArg
false, // metaKeyArg
66, // keyCodeArg : unsigned long the virtual key code, else 0
0 // charCodeArgs : unsigned long the Unicode character associated with the depressed key, else 0
);
element.dispatchEvent(keyboardEvent);
keyboardEvent[initMethod](
"keydown", // event type : keydown, keyup, keypress
true, // bubbles
true, // cancelable
window, // viewArg: should be window
false, // ctrlKeyArg
false, // altKeyArg
false, // shiftKeyArg
false, // metaKeyArg
8, // keyCodeArg : unsigned long the virtual key code, else 0
0 // charCodeArgs : unsigned long the Unicode character associated with the depressed key, else 0
);
element.dispatchEvent(keyboardEvent);
}
startInjection() //call initial startup function
}
main();