Change Scratch block colors and modify blocks in Scratch projects using a custom GUI
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// ==UserScript==
// @name Scratch Block Color Changer with GUI
// @namespace http://tampermonkey.net/
// @version 0.2
// @description Change Scratch block colors and modify blocks in Scratch projects using a custom GUI
// @match https://scratch.mit.edu/projects/*
// @grant GM_addStyle
// @run-at document-end
// ==/UserScript==
(function() {
'use strict';
// Utility function to add global styles
function addGlobalStyle(css) {
const style = document.createElement('style');
style.type = 'text/css';
style.innerHTML = css;
document.head.appendChild(style);
}
// Create and open GUI
function createAndOpenGUI() {
const gui = document.createElement('div');
gui.id = 'scratch-custom-gui';
gui.style.position = 'fixed';
gui.style.top = '10px';
gui.style.right = '10px';
gui.style.backgroundColor = '#ffffff';
gui.style.border = '1px solid #ddd';
gui.style.padding = '10px';
gui.style.zIndex = 1000;
gui.style.borderRadius = '5px';
gui.style.boxShadow = '0 0 10px rgba(0, 0, 0, 0.3)';
gui.style.fontFamily = 'Arial, sans-serif';
gui.style.display = 'none';
// Main GUI content
gui.innerHTML = `
<h2>Custom Scratch GUI</h2>
<button onclick="openBlockColorChanger()">Block Color Changer</button>
<button onclick="openBlockEditor()">Block Editor</button>
<button onclick="openThemeChanger()">Theme Changer</button>
<button onclick="openModifiers()">Modifiers</button>
<button onclick="closeGUI()">Close</button>
<div id="gui-content"></div>
`;
document.body.appendChild(gui);
// Function to open the GUI
window.openGUI = function() {
gui.style.display = 'block';
};
// Function to close the GUI
window.closeGUI = function() {
gui.style.display = 'none';
};
// Function to open block color changer
window.openBlockColorChanger = function() {
document.getElementById('gui-content').innerHTML = `
<h3>Block Color Changer</h3>
<label for="block-select-color">Select Block:</label>
<select id="block-select-color">
<!-- Populate with block options dynamically -->
</select>
<br/><br/>
<label for="block-new-color">New Block Color:</label>
<input type="color" id="block-new-color" />
<br/><br/>
<button onclick="changeBlockColor()">Change Color</button>
`;
};
// Function to open block editor
window.openBlockEditor = function() {
document.getElementById('gui-content').innerHTML = `
<h3>Block Editor</h3>
<label for="block-name">Block Name:</label>
<input type="text" id="block-name" />
<br/><br/>
<label for="block-color">Block Color:</label>
<input type="color" id="block-color" />
<br/><br/>
<label for="block-inside-color">Inside Color:</label>
<input type="color" id="block-inside-color" />
<br/><br/>
<button onclick="createCustomBlock()">Create Custom Block</button>
`;
};
// Function to open theme changer
window.openThemeChanger = function() {
document.getElementById('gui-content').innerHTML = `
<h3>Theme Changer</h3>
<label for="theme-select">Select Theme:</label>
<select id="theme-select">
<option value="cupcake">Cupcake</option>
<option value="candy">Candy</option>
<option value="dark">Dark</option>
<option value="marshmallow">Marshmallow</option>
<option value="bloody">Bloody</option>
<option value="image">Image</option>
</select>
<br/><br/>
<label for="theme-image-url" id="image-url-label" style="display: none;">Image URL:</label>
<input type="text" id="theme-image-url" style="display: none;" />
<br/><br/>
<button onclick="applyTheme()">Apply Theme</button>
`;
};
// Function to open modifiers
window.openModifiers = function() {
document.getElementById('gui-content').innerHTML = `
<h3>Modifiers</h3>
<label for="modifier-name">Modifier Name:</label>
<input type="text" id="modifier-name" />
<br/><br/>
<button onclick="addModifier()">Add Modifier</button>
<br/><br/>
<div id="modifiers-list"></div>
`;
};
// Function to change block color
window.changeBlockColor = function() {
const blockId = document.getElementById('block-select-color').value;
const newColor = document.getElementById('block-new-color').value;
console.log('Changing block color to:', newColor);
// Implement logic to change the color of the selected block using Scratch API
// For demonstration purposes, this is a placeholder
};
// Function to create a custom block
window.createCustomBlock = function() {
const blockName = document.getElementById('block-name').value;
const blockColor = document.getElementById('block-color').value;
const blockInsideColor = document.getElementById('block-inside-color').value;
console.log('Creating custom block:', blockName, blockColor, blockInsideColor);
// Implement logic to create a custom block using Scratch API
// For demonstration purposes, this is a placeholder
};
// Function to apply theme
window.applyTheme = function() {
const theme = document.getElementById('theme-select').value;
const imageUrl = document.getElementById('theme-image-url').value;
const themes = {
'cupcake': `
body { background-color: #fbe8e8; color: #6a1b29; }
.stage { background: #fcdada; }
.backdrop { background: #f6a7b1; }
`,
'candy': `
body { background-color: #f5a623; color: #fff; }
.stage { background: #f79c42; }
.backdrop { background: #f4b043; }
`,
'dark': `
body { background-color: #333; color: #f5f5f5; }
.stage { background: #555; }
.backdrop { background: #444; }
`,
'marshmallow': `
body { background-color: #fff; color: #000; }
.stage { background: #f5f5f5; }
.backdrop { background: #e0e0e0; }
`,
'bloody': `
body { background-color: #3e0d0d; color: #f5f5f5; }
.stage { background: #6a0b0b; }
.backdrop { background: #9e0f0f; }
`,
'image': `
body { background-image: url('${imageUrl}'); color: #ffffff; }
.stage { background: rgba(0, 0, 0, 0.5); }
.backdrop { background: rgba(0, 0, 0, 0.5); }
`
};
if (theme === 'image') {
document.getElementById('image-url-label').style.display = 'block';
document.getElementById('theme-image-url').style.display = 'block';
} else {
document.getElementById('image-url-label').style.display = 'none';
document.getElementById('theme-image-url').style.display = 'none';
applyThemeStyles(themes[theme]);
}
};
function applyThemeStyles(css) {
let existingStyle = document.getElementById('theme-style');
if (existingStyle) {
existingStyle.remove();
}
const style = document.createElement('style');
style.id = 'theme-style';
style.innerHTML = css;
document.head.appendChild(style);
}
// Function to add a modifier
window.addModifier = function() {
const modifierName = document.getElementById('modifier-name').value;
console.log('Adding modifier:', modifierName);
const modifiersList = document.getElementById('modifiers-list');
const modifierItem = document.createElement('div');
modifierItem.textContent = modifierName;
modifiersList.appendChild(modifierItem);
};
}
// Add global styles for the GUI
addGlobalStyle(`
#scratch-custom-gui button {
margin: 5px;
padding: 5px 10px;
border: none;
border-radius: 5px;
background-color: #007bff;
color: #fff;
cursor: pointer;
}
#scratch-custom-gui button:hover {
background-color: #0056b3;
}
#scratch-custom-gui input[type="color"] {
margin: 5px 0;
}
`);
// Create and open the GUI
createAndOpenGUI();
})();