37
37
interrupted = false;
40
function get_console_start_directory()
42
if((typeof(current_path) != 'undefined') && current_file)
44
// We have a current_path - give a suggestion to the server
46
if (current_file.isdir)
49
return path_join("/home", current_path);
53
// Editor - need to chop off filename
54
var tmp_path = current_path.split('/');
56
return path_join("/home", tmp_path.join('/'));
61
// No current_path - let the server decide
66
39
/* Starts the console server, if it isn't already.
67
40
* This can be called any number of times - it only starts the one server.
68
41
* Note that this is asynchronous. It will return after signalling to start
85
58
var callback1 = function(xhr)
87
60
var json_text = xhr.responseText;
90
server_key = JSON.parse(json_text).key;
91
server_started = true;
97
alert("An error occured when starting the IVLE console. " +
98
"Please refresh the page and try again.\n" +
99
"Details have been logged for further examination.")
61
server_key = JSON.parse(json_text);
62
server_started = true;
104
callback1, "console", "service",
105
{"ivle.op": "start", "cwd": get_console_start_directory()},
66
ajax_call(callback1, "consoleservice", "start", {}, "POST");
109
69
/** Initialises the console. All apps which import console are required to
133
93
function console_minimize()
135
95
if (!windowpane_mode) return;
136
console_body.setAttribute("class", "console_body windowpane minimal");
96
console_body.setAttribute("class", "windowpane minimal");
137
97
console_filler.setAttribute("class", "windowpane minimal");
142
102
function console_maximize()
144
104
if (!windowpane_mode) return;
145
console_body.setAttribute("class", "console_body windowpane maximal");
105
console_body.setAttribute("class", "windowpane maximal");
146
106
console_filler.setAttribute("class", "windowpane maximal");
271
231
if (typeof(inputbox) == "string")
273
var inputline = inputbox + "\n";
233
var inputline = inputbox;
235
var graytimer = null;
278
/* Disable the text box */
279
inputbox.setAttribute("disabled", "disabled");
281
var inputline = inputbox.value + "\n";
239
GLOBAL_inputbox = inputbox; /* For timer */
240
var inputline = inputbox.value;
241
var graytimer = setTimeout("GLOBAL_inputbox.setAttribute(\"class\", "
242
+ "\"disabled\");", 100);
283
244
var output = document.getElementById("console_output");
285
246
// Print ">>>" span
286
247
var span = document.createElement("span");
287
248
span.setAttribute("class", "inputPrompt");
288
span.appendChild(document.createTextNode(
289
document.getElementById("console_prompt").firstChild.nodeValue)
249
span.appendChild(document.createTextNode(">>> "));
291
250
output.appendChild(span);
292
251
// Print input line itself in a span
293
252
var span = document.createElement("span");
294
253
span.setAttribute("class", "inputMsg");
295
span.appendChild(document.createTextNode(inputline));
254
span.appendChild(document.createTextNode(inputline + "\n"));
296
255
output.appendChild(span);
299
"ivle.op": "chat", "kind": which, "key": server_key,
300
"text": inputline, "cwd": get_console_start_directory()
257
var args = {"key": server_key, "text":inputline};
302
258
var callback = function(xhr)
304
console_response(inputbox, inputline, xhr.responseText);
260
console_response(inputbox, graytimer, inputline, xhr.responseText);
306
ajax_call(callback, "console", "service", args, "POST");
262
/* Disable the text box */
263
if (inputbox != null)
264
inputbox.setAttribute("disabled", "disabled");
265
ajax_call(callback, "consoleservice", which, args, "POST");
309
function console_response(inputbox, inputline, responseText)
268
function console_response(inputbox, graytimer, inputline, responseText)
327
286
output.appendChild(span);
329
288
// set the prompt to >>>
289
var prompt = document.getElementById("console_prompt");
290
prompt.replaceChild(document.createTextNode(">>> "), prompt.firstChild);
332
292
else if (res.hasOwnProperty('exc'))
335
295
// print out the error message (res.exc)
336
print_error(res.exc);
296
var span = document.createElement("span");
297
span.setAttribute("class", "errorMsg");
298
span.appendChild(document.createTextNode(res.exc + "\n"));
299
output.appendChild(span);
338
300
// set the prompt to >>>
301
var prompt = document.getElementById("console_prompt");
302
prompt.replaceChild(document.createTextNode(">>> "), prompt.firstChild);
341
304
else if (res.hasOwnProperty('restart') && res.hasOwnProperty('key'))
348
311
// Print a reason to explain why we'd do such a horrible thing
349
312
// (console timeout, server error etc.)
350
print_error("Console Restart: " + res.restart);
313
var span = document.createElement("span");
314
span.setAttribute("class", "errorMsg");
315
span.appendChild(document.createTextNode("Console Restart: " + res.restart + "\n"));
316
output.appendChild(span);
352
317
// set the prompt to >>>
318
var prompt = document.getElementById("console_prompt");
319
prompt.replaceChild(document.createTextNode(">>> "), prompt.firstChild);
355
322
else if (res.hasOwnProperty('more'))
357
324
// Need more input, so set the prompt to ...
325
var prompt = document.getElementById("console_prompt");
326
prompt.replaceChild(document.createTextNode("... "), prompt.firstChild);
360
328
else if (res.hasOwnProperty('output'))
376
345
var kind = "chat";
379
"ivle.op": "chat", "kind": kind, "key": server_key,
380
"text": '', "cwd": get_console_start_directory()
382
ajax_call(callback, "console", "service", args, "POST");
347
var args = {"key": server_key, "text":''};
348
ajax_call(callback, "consoleservice", kind, args, "POST");
384
350
// Open up the console so we can see the output
385
351
// FIXME: do we need to maximize here?
391
357
// Return early, so we don't re-enable the input box.
394
else if (res.hasOwnProperty('input'))
400
alert("An internal error occurred in the python console.");
361
// assert res.hasOwnProperty('input')
362
var prompt = document.getElementById("console_prompt");
363
prompt.replaceChild(document.createTextNode("+++ "), prompt.firstChild);
404
366
if (inputbox != null)
406
368
/* Re-enable the text box */
369
clearTimeout(graytimer);
407
370
inputbox.removeAttribute("disabled");
371
inputbox.removeAttribute("class");
408
372
interrupted = false;
414
378
divScroll.activeScroll();
416
380
// Focus the input box by default
417
document.getElementById("console_output").focus();
418
document.getElementById("console_inputText").focus();
381
document.getElementById("console_output").focus()
382
document.getElementById("console_inputText").focus()
421
385
function catch_input(key)
460
424
hist.submit(inp.value);
461
425
inp.value = hist.curr();
464
/* Disable the text box. This will be redone by
465
* console_enter_line, but we do it here too in case start_server
468
inp.setAttribute("disabled", "disabled");
469
427
/* Start the server if it hasn't already been started */
470
428
start_server(callback);
472
430
case 38: /* Up arrow */
473
431
hist.up(inp.value);
474
432
inp.value = hist.curr();
475
/* Inhibit further responses to this event, or WebKit moves the
476
* cursor to the start. */
479
434
case 40: /* Down arrow */
480
435
hist.down(inp.value);
481
436
inp.value = hist.curr();
487
/** Resets the console by signalling the old console to expire and starting a
490
function console_reset()
492
// FIXME: We show some feedback here - either disable input or at very
493
// least the reset button.
495
// Restart the console
502
xhr = ajax_call(null, "console", "service", {"ivle.op": "chat", "kind": "terminate", "key": server_key, "cwd": get_console_start_directory()}, "POST");
503
console_response(null, null, xhr.responseText);
507
/** Prints an error line in the console **/
508
function print_error(error)
510
var output = document.getElementById("console_output");
513
var span = document.createElement("span");
514
span.setAttribute("class", "errorMsg");
515
span.appendChild(document.createTextNode(error + "\n"));
516
output.appendChild(span);
519
divScroll.activeScroll();
522
/** Sets the prompt text **/
523
function set_prompt(prompt_text)
525
var prompt = document.getElementById("console_prompt");
526
prompt.replaceChild(document.createTextNode(prompt_text + " "), prompt.firstChild);
529
441
/**** Following Code modified from ******************************************/
530
442
/**** http://radio.javaranch.com/pascarello/2006/08/17/1155837038219.html ***/
531
443
/****************************************************************************/
544
456
if (scrollDiv.scrollHeight > 0)
545
457
currentHeight = scrollDiv.scrollHeight;
546
else if (scrollDiv.offsetHeight > 0)
547
currentHeight = scrollDiv.offsetHeight;
459
if (objDiv.offsetHeight > 0)
460
currentHeight = scrollDiv.offsetHeight;
549
462
scrollDiv.scrollTop = currentHeight;