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
39
66
/* Starts the console server, if it isn't already.
40
67
* This can be called any number of times - it only starts the one server.
41
68
* Note that this is asynchronous. It will return after signalling to start
58
85
var callback1 = function(xhr)
60
87
var json_text = xhr.responseText;
61
server_key = JSON.parse(json_text);
62
server_started = true;
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.")
66
ajax_call(callback1, "consoleservice", "start", {}, "POST");
104
callback1, "console", "service",
105
{"ivle.op": "start", "cwd": get_console_start_directory()},
69
109
/** Initialises the console. All apps which import console are required to
93
133
function console_minimize()
95
135
if (!windowpane_mode) return;
96
console_body.setAttribute("class", "windowpane minimal");
136
console_body.setAttribute("class", "console_body windowpane minimal");
97
137
console_filler.setAttribute("class", "windowpane minimal");
102
142
function console_maximize()
104
144
if (!windowpane_mode) return;
105
console_body.setAttribute("class", "windowpane maximal");
145
console_body.setAttribute("class", "console_body windowpane maximal");
106
146
console_filler.setAttribute("class", "windowpane maximal");
231
271
if (typeof(inputbox) == "string")
233
var inputline = inputbox;
273
var inputline = inputbox + "\n";
235
var graytimer = null;
239
GLOBAL_inputbox = inputbox; /* For timer */
240
var inputline = inputbox.value;
241
var graytimer = setTimeout("GLOBAL_inputbox.setAttribute(\"class\", "
242
+ "\"disabled\");", 100);
278
/* Disable the text box */
279
inputbox.setAttribute("disabled", "disabled");
281
var inputline = inputbox.value + "\n";
244
283
var output = document.getElementById("console_output");
246
285
// Print ">>>" span
247
286
var span = document.createElement("span");
248
287
span.setAttribute("class", "inputPrompt");
249
span.appendChild(document.createTextNode(">>> "));
288
span.appendChild(document.createTextNode(
289
document.getElementById("console_prompt").firstChild.nodeValue)
250
291
output.appendChild(span);
251
292
// Print input line itself in a span
252
293
var span = document.createElement("span");
253
294
span.setAttribute("class", "inputMsg");
254
span.appendChild(document.createTextNode(inputline + "\n"));
295
span.appendChild(document.createTextNode(inputline));
255
296
output.appendChild(span);
257
var args = {"key": server_key, "text":inputline};
299
"ivle.op": "chat", "kind": which, "key": server_key,
300
"text": inputline, "cwd": get_console_start_directory()
258
302
var callback = function(xhr)
260
console_response(inputbox, graytimer, inputline, xhr.responseText);
304
console_response(inputbox, inputline, xhr.responseText);
262
/* Disable the text box */
263
if (inputbox != null)
264
inputbox.setAttribute("disabled", "disabled");
265
ajax_call(callback, "consoleservice", which, args, "POST");
306
ajax_call(callback, "console", "service", args, "POST");
268
function console_response(inputbox, graytimer, inputline, responseText)
309
function console_response(inputbox, inputline, responseText)
286
327
output.appendChild(span);
288
329
// set the prompt to >>>
289
var prompt = document.getElementById("console_prompt");
290
prompt.replaceChild(document.createTextNode(">>> "), prompt.firstChild);
292
332
else if (res.hasOwnProperty('exc'))
295
335
// print out the error message (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);
336
print_error(res.exc);
300
338
// set the prompt to >>>
301
var prompt = document.getElementById("console_prompt");
302
prompt.replaceChild(document.createTextNode(">>> "), prompt.firstChild);
304
341
else if (res.hasOwnProperty('restart') && res.hasOwnProperty('key'))
311
348
// Print a reason to explain why we'd do such a horrible thing
312
349
// (console timeout, server error etc.)
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);
350
print_error("Console Restart: " + res.restart);
317
352
// set the prompt to >>>
318
var prompt = document.getElementById("console_prompt");
319
prompt.replaceChild(document.createTextNode(">>> "), prompt.firstChild);
322
355
else if (res.hasOwnProperty('more'))
324
357
// Need more input, so set the prompt to ...
325
var prompt = document.getElementById("console_prompt");
326
prompt.replaceChild(document.createTextNode("... "), prompt.firstChild);
328
360
else if (res.hasOwnProperty('output'))
345
376
var kind = "chat";
347
var args = {"key": server_key, "text":''};
348
ajax_call(callback, "consoleservice", kind, args, "POST");
379
"ivle.op": "chat", "kind": kind, "key": server_key,
380
"text": '', "cwd": get_console_start_directory()
382
ajax_call(callback, "console", "service", args, "POST");
350
384
// Open up the console so we can see the output
351
385
// FIXME: do we need to maximize here?
357
391
// Return early, so we don't re-enable the input box.
361
// assert res.hasOwnProperty('input')
362
var prompt = document.getElementById("console_prompt");
363
prompt.replaceChild(document.createTextNode("+++ "), prompt.firstChild);
394
else if (res.hasOwnProperty('input'))
400
alert("An internal error occurred in the python console.");
366
404
if (inputbox != null)
368
406
/* Re-enable the text box */
369
clearTimeout(graytimer);
370
407
inputbox.removeAttribute("disabled");
371
inputbox.removeAttribute("class");
372
408
interrupted = false;
378
414
divScroll.activeScroll();
380
416
// Focus the input box by default
381
document.getElementById("console_output").focus()
382
document.getElementById("console_inputText").focus()
417
document.getElementById("console_output").focus();
418
document.getElementById("console_inputText").focus();
385
421
function catch_input(key)
424
460
hist.submit(inp.value);
425
461
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");
427
469
/* Start the server if it hasn't already been started */
428
470
start_server(callback);
430
472
case 38: /* Up arrow */
431
473
hist.up(inp.value);
432
474
inp.value = hist.curr();
475
/* Inhibit further responses to this event, or WebKit moves the
476
* cursor to the start. */
434
479
case 40: /* Down arrow */
435
480
hist.down(inp.value);
436
481
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);
441
529
/**** Following Code modified from ******************************************/
442
530
/**** http://radio.javaranch.com/pascarello/2006/08/17/1155837038219.html ***/
443
531
/****************************************************************************/
456
544
if (scrollDiv.scrollHeight > 0)
457
545
currentHeight = scrollDiv.scrollHeight;
459
if (objDiv.offsetHeight > 0)
460
currentHeight = scrollDiv.offsetHeight;
546
else if (scrollDiv.offsetHeight > 0)
547
currentHeight = scrollDiv.offsetHeight;
462
549
scrollDiv.scrollTop = currentHeight;