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index.html
Small snapshot of version 4
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‎index.html‎

Lines changed: 132 additions & 49 deletions
Original file line numberDiff line numberDiff line change
@@ -5,6 +5,9 @@
55
<meta name="viewport" content="width=device-width, initial-scale=1.0"/>
66
<title>Blockly JavaScript Builder</title>
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<script src="https://unpkg.com/blockly/blockly.min.js"></script>
8+
<script src="https://unpkg.com/blockly/blocks_compressed.js"></script>
9+
<script src="https://unpkg.com/blockly/msg/en.js"></script>
10+
<script src="https://unpkg.com/blockly/zelos.js"></script>
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<style>
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body {
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font-family: sans-serif;
@@ -45,7 +48,6 @@
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background: #eee;
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padding: 10px;
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border-radius: 5px;
48-
height: 100%;
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margin: 0;
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white-space: pre-wrap;
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word-wrap: break-word;
@@ -61,19 +63,51 @@
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cursor: pointer;
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}
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#output {
64-
margin-top: 10px;
66+
margin-top: 5px;
67+
font-family: monospace;
68+
white-space: pre-wrap;
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}
70+
#errorMessage {
71+
margin-top: 5px;
72+
color: red;
6573
font-family: monospace;
6674
}
75+
#themeToggle {
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position: absolute;
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top: 10px;
78+
right: 10px;
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z-index: 1000;
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background: #eee;
81+
border: 1px solid #999;
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border-radius: 4px;
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padding: 5px 10px;
84+
}
85+
#loopControls {
86+
display: flex;
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align-items: center;
88+
gap: 10px;
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}
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#loopInterval {
91+
width: 80px;
92+
padding: 4px;
93+
}
6794
</style>
6895
</head>
6996
<body>
97+
<button id="themeToggle">🎨 Toggle Theme</button>
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<h2 style="margin: 10px;">Blockly JavaScript Builder</h2>
99+
71100
<div id="main">
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<div id="blocklyDiv"></div>
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<div id="rightPanel">
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<div id="codeHeader">
75104
<h4 style="margin: 0;">📄 JavaScript Code</h4>
76-
<button onclick="runCode()">▶ Run</button>
105+
<div id="loopControls">
106+
<input id="loopInterval" type="number" value="1000" min="100" />ms
107+
<button onclick="runCode()">▶ Run</button>
108+
<button onclick="startLoop()">🔁 Loop Run</button>
109+
<button onclick="stopLoop()">⏹ Stop</button>
110+
</div>
77111
</div>
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<div id="codeArea">
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<pre id="code"></pre>
@@ -82,11 +116,11 @@ <h4 style="margin: 0;">📄 JavaScript Code</h4>
82116
<button onclick="updateCode()">🔄 Update</button>
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<button onclick="copyCode()">📋 Copy Code</button>
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<div id="output"></div>
119+
<div id="errorMessage"></div>
85120
</div>
86121
</div>
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</div>
88123

89-
<!-- Toolbox -->
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<xml id="toolbox" style="display: none">
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<category name="Logic" colour="%{BKY_LOGIC_HUE}">
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<block type="controls_if"></block>
@@ -96,14 +130,8 @@ <h4 style="margin: 0;">📄 JavaScript Code</h4>
96130
<block type="logic_negate"></block>
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<block type="logic_null"></block>
98132
</category>
99-
<category name="Loops" colour="%{BKY_LOOPS_HUE}">
100-
<block type="controls_repeat_ext"></block>
101-
<block type="controls_whileUntil"></block>
102-
</category>
103133
<category name="Math" colour="%{BKY_MATH_HUE}">
104-
<block type="math_number">
105-
<field name="NUM">0</field>
106-
</block>
134+
<block type="math_number"><field name="NUM">0</field></block>
107135
<block type="math_arithmetic"></block>
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<block type="math_round"></block>
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<block type="math_single"></block>
@@ -131,21 +159,64 @@ <h4 style="margin: 0;">📄 JavaScript Code</h4>
131159
<block type="text_isEmpty"></block>
132160
<block type="text_join"></block>
133161
</category>
134-
<category name="Variables" custom="VARIABLE" colour="%{BKY_VARIABLES_HUE}">
135-
<block type="variables_get"></block>
136-
<block type="variables_set"></block>
137-
</category>
138-
<category name="Functions" colour="%{BKY_PROCEDURES_HUE}">
139-
<block type="procedures_defnoreturn"></block>
140-
<block type="procedures_callnoreturn"></block>
141-
</category>
162+
<category name="Variables" custom="VARIABLE" colour="%{BKY_VARIABLES_HUE}"></category>
163+
<category name="Functions" custom="PROCEDURE" colour="%{BKY_PROCEDURES_HUE}"></category>
142164
</xml>
143165

144-
<!-- Blockly + JavaScript -->
145166
<script>
146-
const workspace = Blockly.inject('blocklyDiv', {
147-
toolbox: document.getElementById('toolbox'),
148-
scrollbars: true,
167+
Blockly.Themes.ScratchBright = Blockly.Theme.defineTheme('scratchTheme', {
168+
base: Blockly.Themes.Classic,
169+
blockStyles: {
170+
logic_blocks: { colourPrimary: '#5C81A6' },
171+
math_blocks: { colourPrimary: '#5C68A6' },
172+
text_blocks: { colourPrimary: '#5CA68D' },
173+
list_blocks: { colourPrimary: '#745CA6' },
174+
variable_blocks: { colourPrimary: '#A65C81' },
175+
procedure_blocks: { colourPrimary: '#8000ff' }
176+
},
177+
fontStyle: {
178+
family: 'Helvetica, Arial, sans-serif',
179+
size: 10
180+
},
181+
startHats: true
182+
});
183+
184+
let usingScratchTheme = true;
185+
let workspace;
186+
187+
function createWorkspace(theme, renderer) {
188+
if (workspace) workspace.dispose();
189+
workspace = Blockly.inject('blocklyDiv', {
190+
toolbox: document.getElementById('toolbox'),
191+
scrollbars: true,
192+
theme,
193+
renderer,
194+
zoom: {
195+
controls: true,
196+
wheel: true,
197+
startScale: 1.0,
198+
maxScale: 3,
199+
minScale: 0.3,
200+
scaleSpeed: 1.2,
201+
pinch: true
202+
},
203+
trashcan: true
204+
});
205+
workspace.addChangeListener(updateCode);
206+
updateCode();
207+
}
208+
209+
createWorkspace(Blockly.Themes.ScratchBright, 'zelos');
210+
211+
document.getElementById('themeToggle').addEventListener('click', () => {
212+
const confirmChange = window.confirm("Are you sure you want to change themes? This will delete your code.");
213+
if (confirmChange) {
214+
usingScratchTheme = !usingScratchTheme;
215+
createWorkspace(
216+
usingScratchTheme ? Blockly.Themes.ScratchBright : Blockly.Themes.Classic,
217+
usingScratchTheme ? 'zelos' : 'geras'
218+
);
219+
}
149220
});
150221

151222
function updateCode() {
@@ -156,11 +227,14 @@ <h4 style="margin: 0;">📄 JavaScript Code</h4>
156227
function runCode() {
157228
updateCode();
158229
const code = document.getElementById('code').textContent;
230+
const outputDiv = document.getElementById('output');
231+
const errorDiv = document.getElementById('errorMessage');
232+
outputDiv.textContent = "";
233+
errorDiv.textContent = "";
159234
try {
160-
const result = eval(code);
161-
document.getElementById('output').innerText = "Output: " + (result !== undefined ? result : "(no output)");
235+
(async () => { await eval(`(async () => {\n${code}\n})()`); })();
162236
} catch (e) {
163-
document.getElementById('output').innerText = "Error: " + e.message;
237+
errorDiv.innerText = "❌ Error: " + e.message;
164238
}
165239
}
166240

@@ -171,32 +245,41 @@ <h4 style="margin: 0;">📄 JavaScript Code</h4>
171245
.catch(err => alert("Failed to copy code: " + err));
172246
}
173247

174-
Blockly.defineBlocksWithJsonArray([
175-
{
176-
"type": "text_prompt",
177-
"message0": "prompt with message %1",
178-
"args0": [
179-
{
180-
"type": "input_value",
181-
"name": "TEXT",
182-
"check": "String"
248+
let loopInterval = null;
249+
250+
function startLoop() {
251+
stopLoop();
252+
updateCode();
253+
const code = document.getElementById('code').textContent;
254+
const outputDiv = document.getElementById('output');
255+
const errorDiv = document.getElementById('errorMessage');
256+
const interval = parseInt(document.getElementById('loopInterval').value) || 1000;
257+
outputDiv.textContent = "";
258+
errorDiv.textContent = "";
259+
try {
260+
loopInterval = setInterval(() => {
261+
try {
262+
errorDiv.textContent = "";
263+
(async () => { await eval(`(async () => {\n${code}\n})()`); })();
264+
} catch (e) {
265+
outputDiv.textContent = "";
266+
errorDiv.textContent = "❌ Loop Error: " + e.message;
267+
stopLoop();
183268
}
184-
],
185-
"output": "String",
186-
"colour": 160,
187-
"tooltip": "Prompts the user for input.",
188-
"helpUrl": ""
269+
}, interval);
270+
} catch (e) {
271+
errorDiv.textContent = "❌ Setup Error: " + e.message;
189272
}
190-
]);
191-
192-
Blockly.JavaScript['text_prompt'] = function(block) {
193-
const msg = Blockly.JavaScript.valueToCode(block, 'TEXT', Blockly.JavaScript.ORDER_NONE) || '""';
194-
const code = `prompt(${msg})`;
195-
return [code, Blockly.JavaScript.ORDER_FUNCTION_CALL];
196-
};
273+
}
197274

198-
workspace.addChangeListener(updateCode);
199-
updateCode();
275+
function stopLoop() {
276+
if (loopInterval) {
277+
clearInterval(loopInterval);
278+
loopInterval = null;
279+
document.getElementById('output').textContent += "\n⏹ Loop stopped.";
280+
document.getElementById('errorMessage').textContent = "";
281+
}
282+
}
200283
</script>
201284
</body>
202285
</html>

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