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;
93
"ivle.op": "chat", "kind": "splash", "key": server_key
95
var callback2 = function(xhr)
97
console_response(null, null, xhr.responseText);
101
ajax_call(callback2, "console", "service", args, "POST");
105
alert("An error occured when starting the IVLE console. " +
106
"Please refresh the page and try again.\n" +
107
"Details have been logged for further examination.")
66
ajax_call(callback1, "consoleservice", "start", {}, "POST");
111
$("#console_output").append(
112
'<span class="console_message">IVLE console starting up...</span>\n');
113
console_maximize(true);
115
callback1, "console", "service",
116
{"ivle.op": "start", "cwd": get_console_start_directory()},
120
/** Start up the console backend before the user has entered text.
121
* This will disable the text input, start a backend, and enable the input
124
function start_server_early()
126
var inputbox = document.getElementById("console_inputText");
127
inputbox.setAttribute("disabled", "disabled");
128
var callback = function(xhr)
130
inputbox.removeAttribute("disabled")
132
start_server(callback);
69
135
/** Initialises the console. All apps which import console are required to
93
159
function console_minimize()
95
161
if (!windowpane_mode) return;
96
console_body.setAttribute("class", "windowpane minimal");
162
console_body.setAttribute("class", "console_body windowpane minimal");
97
163
console_filler.setAttribute("class", "windowpane minimal");
100
166
/** Show the main console panel, so it enlarges out to its full size.
102
function console_maximize()
168
function console_maximize(do_not_start)
104
170
if (!windowpane_mode) return;
105
console_body.setAttribute("class", "windowpane maximal");
171
if (!do_not_start && !server_started) start_server_early();
172
console_body.setAttribute("class", "console_body windowpane maximal");
106
173
console_filler.setAttribute("class", "windowpane maximal");
229
296
interrupted = false;
298
// Open up the console so we can see the output
231
301
if (typeof(inputbox) == "string")
233
var inputline = inputbox;
303
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);
308
/* Disable the text box */
309
inputbox.setAttribute("disabled", "disabled");
311
var inputline = inputbox.value + "\n";
244
313
var output = document.getElementById("console_output");
246
315
// Print ">>>" span
247
316
var span = document.createElement("span");
248
317
span.setAttribute("class", "inputPrompt");
249
span.appendChild(document.createTextNode(">>> "));
318
span.appendChild(document.createTextNode(
319
document.getElementById("console_prompt").firstChild.nodeValue)
250
321
output.appendChild(span);
251
322
// Print input line itself in a span
252
323
var span = document.createElement("span");
253
324
span.setAttribute("class", "inputMsg");
254
span.appendChild(document.createTextNode(inputline + "\n"));
325
span.appendChild(document.createTextNode(inputline));
255
326
output.appendChild(span);
327
divScroll.activeScroll();
257
var args = {"key": server_key, "text":inputline};
330
"ivle.op": "chat", "kind": which, "key": server_key,
331
"text": inputline, "cwd": get_console_start_directory()
258
333
var callback = function(xhr)
260
console_response(inputbox, graytimer, inputline, xhr.responseText);
335
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");
337
ajax_call(callback, "console", "service", args, "POST");
268
function console_response(inputbox, graytimer, inputline, responseText)
340
function console_response(inputbox, inputline, responseText)
285
357
output.appendChild(document.createTextNode(res.okay + "\n"));
286
358
output.appendChild(span);
359
divScroll.activeScroll();
288
361
// set the prompt to >>>
289
var prompt = document.getElementById("console_prompt");
290
prompt.replaceChild(document.createTextNode(">>> "), prompt.firstChild);
292
364
else if (res.hasOwnProperty('exc'))
295
367
// 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);
368
print_error(res.exc);
300
370
// set the prompt to >>>
301
var prompt = document.getElementById("console_prompt");
302
prompt.replaceChild(document.createTextNode(">>> "), prompt.firstChild);
304
373
else if (res.hasOwnProperty('restart') && res.hasOwnProperty('key'))
311
380
// Print a reason to explain why we'd do such a horrible thing
312
381
// (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);
383
"IVLE console restarted: " + res.restart, "console_message");
317
385
// set the prompt to >>>
318
var prompt = document.getElementById("console_prompt");
319
prompt.replaceChild(document.createTextNode(">>> "), prompt.firstChild);
322
388
else if (res.hasOwnProperty('more'))
324
390
// Need more input, so set the prompt to ...
325
var prompt = document.getElementById("console_prompt");
326
prompt.replaceChild(document.createTextNode("... "), prompt.firstChild);
328
393
else if (res.hasOwnProperty('output'))
330
395
if (res.output.length > 0)
332
397
output.appendChild(document.createTextNode(res.output));
398
divScroll.activeScroll();
334
400
var callback = function(xhr)
336
console_response(inputbox, graytimer,
337
null, xhr.responseText);
402
console_response(inputbox, null, xhr.responseText);
345
410
var kind = "chat";
347
var args = {"key": server_key, "text":''};
348
ajax_call(callback, "consoleservice", kind, args, "POST");
413
"ivle.op": "chat", "kind": kind, "key": server_key,
414
"text": '', "cwd": get_console_start_directory()
416
ajax_call(callback, "console", "service", args, "POST");
350
418
// Open up the console so we can see the output
351
// FIXME: do we need to maximize here?
352
419
console_maximize();
355
divScroll.activeScroll();
357
421
// 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);
424
else if (res.hasOwnProperty('input'))
430
alert("An internal error occurred in the python console.");
366
434
if (inputbox != null)
368
436
/* Re-enable the text box */
369
clearTimeout(graytimer);
370
437
inputbox.removeAttribute("disabled");
371
inputbox.removeAttribute("class");
372
438
interrupted = false;
375
/* Open up the console so we can see the output */
377
441
/* Auto-scrolling */
378
442
divScroll.activeScroll();
380
444
// Focus the input box by default
381
document.getElementById("console_output").focus()
382
document.getElementById("console_inputText").focus()
445
document.getElementById("console_output").focus();
446
document.getElementById("console_inputText").focus();
385
449
function catch_input(key)
424
488
hist.submit(inp.value);
425
489
inp.value = hist.curr();
492
/* Disable the text box. This will be redone by
493
* console_enter_line, but we do it here too in case start_server
496
inp.setAttribute("disabled", "disabled");
427
497
/* Start the server if it hasn't already been started */
428
498
start_server(callback);
430
500
case 38: /* Up arrow */
431
501
hist.up(inp.value);
432
502
inp.value = hist.curr();
503
/* Inhibit further responses to this event, or WebKit moves the
504
* cursor to the start. */
434
507
case 40: /* Down arrow */
435
508
hist.down(inp.value);
436
509
inp.value = hist.curr();
515
/** Resets the console by signalling the old console to expire and starting a
518
function console_reset()
520
// FIXME: We show some feedback here - either disable input or at very
521
// least the reset button.
523
// Restart the console
530
xhr = ajax_call(null, "console", "service", {"ivle.op": "chat", "kind": "terminate", "key": server_key, "cwd": get_console_start_directory()}, "POST");
531
console_response(null, null, xhr.responseText);
535
/** Prints an error line in the console **/
536
function print_error(error, cls)
541
var output = document.getElementById("console_output");
544
var span = document.createElement("span");
545
span.setAttribute("class", cls);
546
span.appendChild(document.createTextNode(error + "\n"));
547
output.appendChild(span);
550
divScroll.activeScroll();
553
/** Sets the prompt text **/
554
function set_prompt(prompt_text)
556
var prompt = document.getElementById("console_prompt");
557
prompt.replaceChild(document.createTextNode(prompt_text + " "), prompt.firstChild);
441
560
/**** Following Code modified from ******************************************/
442
561
/**** http://radio.javaranch.com/pascarello/2006/08/17/1155837038219.html ***/
443
562
/****************************************************************************/
456
575
if (scrollDiv.scrollHeight > 0)
457
576
currentHeight = scrollDiv.scrollHeight;
459
if (objDiv.offsetHeight > 0)
460
currentHeight = scrollDiv.offsetHeight;
577
else if (scrollDiv.offsetHeight > 0)
578
currentHeight = scrollDiv.offsetHeight;
462
580
scrollDiv.scrollTop = currentHeight;