File size: 12,806 Bytes
6d38145
 
 
a40fdda
 
 
 
 
 
 
 
 
 
 
 
 
0659a19
a40fdda
 
 
 
 
 
 
 
 
 
 
 
 
 
0659a19
 
a40fdda
 
 
 
 
 
 
0659a19
a40fdda
0659a19
 
a40fdda
 
 
0659a19
a40fdda
 
0659a19
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
a40fdda
 
 
 
0659a19
a40fdda
 
0659a19
a40fdda
 
 
 
 
0659a19
a40fdda
 
 
 
 
 
 
 
0659a19
a40fdda
 
 
0659a19
a40fdda
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
0659a19
a40fdda
 
 
0659a19
a40fdda
 
 
 
 
0659a19
a40fdda
 
 
 
 
 
 
0659a19
 
 
 
 
 
 
 
 
 
 
a40fdda
 
 
 
 
 
 
 
 
 
 
 
0659a19
a40fdda
 
 
 
 
 
 
 
 
0659a19
 
a40fdda
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
0659a19
 
 
 
 
a40fdda
 
 
0659a19
a40fdda
 
 
 
 
0659a19
a40fdda
0659a19
a40fdda
 
 
 
6d38145
 
0659a19
a40fdda
 
 
 
 
 
 
 
 
9c580f0
a40fdda
 
9c580f0
6d38145
a40fdda
9c580f0
a40fdda
 
 
 
 
 
 
 
 
 
 
 
9c580f0
a40fdda
 
6d38145
a40fdda
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
0659a19
 
 
 
 
a40fdda
 
0659a19
a40fdda
 
 
 
 
 
 
 
 
 
0659a19
a40fdda
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
9c580f0
 
a40fdda
 
0659a19
a40fdda
 
 
 
 
0659a19
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>JavaRunner — Learn & Run Java Online</title>
<meta name="description" content="JavaRunner is a mobile-friendly online Java IDE. Write, run, save, and download Java code. Perfect for beginners like Ragini Didi.">
<meta name="keywords" content="Java IDE, Online Java compiler, JavaRunner, Learn Java, Java code editor, mobile-friendly IDE, Ragini Didi">
<meta name="author" content="Saksham Pathak">
<meta name="robots" content="index, follow">

<!-- Open Graph for SEO & social -->
<meta property="og:title" content="JavaRunner — Learn & Run Java Online">
<meta property="og:description" content="JavaRunner is a mobile-friendly online Java IDE. Write, run, save, and download Java code. Perfect for beginners like Ragini Didi.">
<meta property="og:type" content="website">

<!-- Fonts & Icons -->
<link href="https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;700&display=swap" rel="stylesheet">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.0/css/all.min.css">

<!-- CodeMirror -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/codemirror.min.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/codemirror.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/mode/clike/clike.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/addon/edit/closebrackets.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/addon/edit/matchbrackets.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/codemirror/5.65.13/addon/edit/indentation.min.js"></script>

<style>
:root {
    --bg:#0b1b2b;
    --glass: rgba(255,255,255,0.06);
    --glass-hover: rgba(255,255,255,0.1);
    --accent:#6c8cff;
    --accent-light:#8be5d0;
    --text:#e6eef8;
    --muted:#9aa4b2;
    --radius:14px;
    --shadow:0 8px 30px rgba(2,6,23,0.6);
}
*{box-sizing:border-box;margin:0;padding:0;}
body{
    font-family:'Inter',sans-serif;
    background:linear-gradient(180deg, #071227, #0d1a2b);
    color:var(--text);
    display:flex;
    flex-direction:column;
    min-height:100vh;
    padding:10px;
}

/* Header */
header{
    display:flex;
    justify-content:center;
    align-items:center;
    margin-bottom:12px;
}
.brand{
    font-weight:700;
    font-size:24px;
    color:var(--accent);
    display:flex;
    align-items:center;
    gap:10px;
    text-shadow: 1px 1px 4px rgba(0,0,0,0.5);
}
.brand i{font-size:28px;}

/* App container */
.app{
    display:flex;
    flex:1;
    gap:12px;
    max-width:1200px;
    width:100%;
}
.panel{
    background: var(--glass);
    backdrop-filter: blur(12px) saturate(1.1);
    border-radius: var(--radius);
    border:1px solid rgba(255,255,255,0.08);
    padding:12px;
    box-shadow: var(--shadow);
    transition: transform .2s ease, box-shadow .2s ease;
}
.panel:hover{transform:translateY(-3px);box-shadow:0 16px 40px rgba(8,14,40,0.5);}

/* Sidebar */
.sidebar{
    flex:0 0 260px;
    display:flex;
    flex-direction:column;
    gap:10px;
    height:calc(100vh - 60px);
}
.sidebar-header{
    display:flex;
    justify-content:space-between;
    align-items:center;
}
.file-list{
    flex:1;
    overflow-y:auto;
    display:flex;
    flex-direction:column;
    gap:6px;
}
.file-item{
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:8px;
    border-radius:10px;
    cursor:pointer;
    background: rgba(255,255,255,0.02);
    transition:0.2s;
}
.file-item:hover{background:var(--glass-hover);}
.file-item.active{background:rgba(108,140,255,0.12);color:#fff;}
.file-actions{display:flex;gap:6px;align-items:center;}

/* Editor */
.editor-area{
    flex:1;
    display:flex;
    flex-direction:column;
    gap:8px;
    min-height:400px;
}
.cm-wrap{
    border-radius:12px;
    overflow:hidden;
    border:1px solid rgba(255,255,255,0.04);
}
.CodeMirror{
    height:calc(100vh - 300px);
    background: rgba(2,6,23,0.7);
    color:#e8f1ff;
    font-size:14px;
}

/* Buttons */
.btn{
    background: rgba(255,255,255,0.03);
    border:1px solid rgba(255,255,255,0.08);
    color:var(--muted);
    padding:6px 10px;
    border-radius:10px;
    cursor:pointer;
    display:inline-flex;
    align-items:center;
    gap:6px;
    transition: all .15s ease;
}
.btn:hover{color:#fff;transform:translateY(-2px);background:var(--glass-hover);}
.btn-primary{
    background: linear-gradient(90deg,var(--accent),var(--accent-light));
    color:#04253b;
    padding:10px 14px;
    font-weight:700;
    border:none;
}

/* Console */
.console{
    margin-top:6px;
    background: rgba(0,0,0,0.5);
    border-radius:10px;
    padding:12px;
    font-family:monospace;
    color:#cfe7ff;
    min-height:120px;
    overflow:auto;
}

/* Footer */
footer{
    text-align:center;
    color:var(--muted);
    font-size:14px;
    padding:12px 0 6px 0;
}
footer .note{
    color:#c7d7ff;
    font-weight:600;
}

/* Responsive */
@media(max-width:900px){
    .app{flex-direction:column;}
    .sidebar{width:100%;height:auto;order:2;}
    .editor-area{order:1;}
    .CodeMirror{height:300px;}
}
@media(max-width:480px){
    body{padding:6px;}
    .brand{font-size:20px;}
    .btn{padding:5px 8px;font-size:13px;}
    .btn-primary{padding:8px 10px;font-size:14px;}
}
</style>
</head>
<body>
<header>
    <div class="brand"><i class="fa-solid fa-rocket"></i> JavaRunner</div>
</header>

<div class="app">
    <!-- Sidebar -->
    <div class="panel sidebar">
        <div class="sidebar-header">
            <button class="btn" id="newBtn"><i class="fa-solid fa-file-circle-plus"></i> New</button>
            <button class="btn" id="importBtn"><i class="fa-solid fa-file-import"></i> Import</button>
        </div>
        <input type="text" placeholder="Search files..." id="searchFile" style="width:100%;padding:6px;border-radius:8px;background:rgba(255,255,255,0.03);border:1px solid rgba(255,255,255,0.08);color:var(--muted);margin-bottom:6px;">
        <div class="file-list" id="fileList"></div>
    </div>

    <!-- Editor -->
    <div class="panel editor-area">
        <div style="display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;">
            <div>Active File: <span id="activeFile"></span></div>
            <div style="display:flex;gap:6px;flex-wrap:wrap;">
                <button class="btn-primary" id="runBtn"><i class="fa-solid fa-play"></i> Run</button>
                <button class="btn" id="saveBtn"><i class="fa-solid fa-floppy-disk"></i> Save</button>
                <button class="btn" id="downloadBtn"><i class="fa-solid fa-download"></i> Download</button>
                <button class="btn" id="formatBtn"><i class="fa-solid fa-align-left"></i> Format</button>
                <button class="btn" id="cutBtn"><i class="fa-solid fa-cut"></i></button>
                <button class="btn" id="copyBtn"><i class="fa-solid fa-copy"></i></button>
                <button class="btn" id="pasteBtn"><i class="fa-solid fa-clipboard"></i></button>
                <button class="btn" id="deleteBtn"><i class="fa-solid fa-trash"></i></button>
            </div>
        </div>
        <div class="cm-wrap" id="cmWrap"><div id="editor"></div></div>
        <div class="console" id="console">Console output will appear here.</div>
    </div>
</div>

<footer>
    Made with ❤️ for <span class="note">Ragini Didi</span>
</footer>

<input type="file" id="fileInput" accept=".java" style="display:none">

<script>
// ---------- Editor setup ----------
const editor = CodeMirror(document.getElementById('editor'),{
    mode:"text/x-java",
    lineNumbers:true,
    tabSize:4,
    indentUnit:4,
    autoCloseBrackets:true,
    matchBrackets:true,
    value:`class Main {
    public static void main(String[] args) {
        System.out.println("Hello Ragini Didi!");
    }
}`
});

// Resize editor dynamically
function resizeEditor(){
    const wrap=document.querySelector('.CodeMirror');
    if(!wrap) return;
    let vh=window.innerHeight;
    wrap.style.height=(vh - 280)+'px';
    editor.refresh();
}
window.addEventListener('resize',resizeEditor);
setTimeout(resizeEditor,200);

// ---------- Local storage & file management ----------
let files=JSON.parse(localStorage.getItem('javaRunner_files')||'{}');
let active=localStorage.getItem('javaRunner_active')||null;
const fileListEl=document.getElementById('fileList');
const activeFileEl=document.getElementById('activeFile');
const consoleEl=document.getElementById('console');

function saveToStorage(){localStorage.setItem('javaRunner_files',JSON.stringify(files));}
function setActive(name){
    active=name;
    localStorage.setItem('javaRunner_active',active);
    activeFileEl.innerText=name||'—';
    renderFiles();
    if(active && files[active]) editor.setValue(files[active]);
}

function renderFiles(filter=''){
    fileListEl.innerHTML='';
    const names=Object.keys(files).filter(n=>n.toLowerCase().includes(filter.toLowerCase())).sort();
    if(names.length===0){fileListEl.innerHTML='<div style="color:'+ 'var(--muted)' +';padding:10px;font-size:13px">No files yet.</div>';return;}
    names.forEach(name=>{
        const div=document.createElement('div');
        div.className='file-item'+(name===active?' active':'');
        div.innerHTML=`<div>${name}</div><div style="display:flex;gap:6px;">
        <button class="btn" onclick="openFile('${name}')"><i class="fa-solid fa-folder-open"></i></button></div>`;
        fileListEl.appendChild(div);
    });
}

// File actions
function newFile(){
    let name=prompt('Filename (end with .java)','Main.java');
    if(!name) return;if(!name.endsWith('.java')){alert('Filename must end with .java');return;}
    if(files[name]){alert('File exists');return;}
    const classname=name.replace('.java','').replace(/[^A-Za-z0-9_]/g,'')||'Main';
    files[name]=`class ${classname} {\n    public static void main(String[] args) {\n        System.out.println("Hello Ragini Didi!");\n    }\n}`;
    saveToStorage();
    setActive(name);
}

function openFile(name){setActive(name);}
function deleteFile(name){if(confirm(`Delete file ${name}?`)){delete files[name]; if(active===name) active=null; saveToStorage(); setActive(active);}}
function saveFile(){if(!active){alert('No active file'); return;} files[active]=editor.getValue(); saveToStorage(); consoleEl.innerText='Saved successfully!';}
function downloadFile(){if(!active){alert('No active file'); return;} const blob=new Blob([editor.getValue()],{type:'text/plain'}); const a=document.createElement('a'); a.href=URL.createObjectURL(blob); a.download=active; a.click(); URL.revokeObjectURL(a.href);}
function formatCode(){const value=editor.getValue(); editor.setValue(value.split('\n').map(l=>l.trimStart()).join('\n'));}
function cutText(){editor.execCommand('cut');}
function copyText(){editor.execCommand('copy');}
function pasteText(){editor.execCommand('paste');}

// Run code (connect to backend /run API)
async function runCode(){
    if(!active){alert('No active file'); return;}
    consoleEl.innerText='Running...';
    const code=editor.getValue();
    try{
        const res=await fetch('/run', {method:'POST', headers:{'Content-Type':'application/json'}, body:JSON.stringify({code})});
        const data=await res.json();
        consoleEl.innerText=data.output||data.error||'No output';
    }catch(e){consoleEl.innerText='Error running code: '+e.message;}
}

// Search files
document.getElementById('searchFile').addEventListener('input',e=>renderFiles(e.target.value));

// Button events
document.getElementById('newBtn').addEventListener('click',newFile);
document.getElementById('saveBtn').addEventListener('click',saveFile);
document.getElementById('downloadBtn').addEventListener('click',downloadFile);
document.getElementById('formatBtn').addEventListener('click',formatCode);
document.getElementById('cutBtn').addEventListener('click',cutText);
document.getElementById('copyBtn').addEventListener('click',copyText);
document.getElementById('pasteBtn').addEventListener('click',pasteText);
document.getElementById('runBtn').addEventListener('click',runCode);

// Import files
const fileInput=document.getElementById('fileInput');
document.getElementById('importBtn').addEventListener('click',()=>fileInput.click());
fileInput.addEventListener('change',e=>{
    const file=e.target.files[0];
    if(!file) return;
    const reader=new FileReader();
    reader.onload=()=>{files[file.name]=reader.result; saveToStorage(); setActive(file.name);}
    reader.readAsText(file);
});

// Initialize
setActive(active);
renderFiles();
</script>
</body>
</html>