245
var top_level_dir = path==username;
248
var req = ajax_call(null, "userservice", "get_enrolments", null, "GET")
249
subjects = decode_response(req);
253
/* This will always return a listing, whether it is a dir or a file.
255
var listing = response.responseText;
256
/* The listing SHOULD be valid JSON text. Parse it into an object. */
259
listing = JSON.parse(listing);
260
file_listing = listing.listing; /* Global */
266
var err = document.createElement("div");
267
var p = dom_make_text_elem("p", "Error: "
268
+ "There was an unexpected server error processing "
269
+ "the selected command.");
271
p = dom_make_text_elem("p", "If the problem persists, please "
272
+ "contact the system administrator.")
274
p = document.createElement("p");
275
var refresh = document.createElement("input");
276
refresh.setAttribute("type", "button");
277
refresh.setAttribute("value", "Back to file view");
278
refresh.setAttribute("onclick", "refresh()");
279
p.appendChild(refresh);
285
var err = document.createElement("div");
286
var p = dom_make_text_elem("p", "Error: "
287
+ "There was an unexpected server error retrieving "
288
+ "the requested file or directory.");
290
p = dom_make_text_elem("p", "If the problem persists, please "
291
+ "contact the system administrator.")
297
/* Get "." out, it's special */
298
current_file = file_listing["."]; /* Global */
299
delete file_listing["."];
301
if ('revision' in listing)
303
current_revision = listing.revision;
306
206
/* Check if this is a directory listing or file contents */
307
207
var isdir = response.getResponseHeader("X-IVLE-Return") == "Dir";
208
if (!editmode && isdir)
311
home_listing(listing, subjects, path);
210
var listing = response.responseText;
211
/* The listing SHOULD be valid JSON text. Parse it into an object. */
214
listing = JSON.parse(listing);
218
handle_error("The server returned an invalid directory listing");
221
handle_dir_listing(path, listing);
315
/* Need to make a 2nd ajax call, this time get the actual file
317
callback = function(response)
319
/* Read the response and set up the page accordingly */
320
handle_contents_response(path, response);
322
/* Call the server and request the listing. */
324
args = shallow_clone_object(url_args);
327
/* This time, get the contents of the file, not its metadata */
328
args['return'] = "contents";
329
ajax_call(callback, service_app, path, args, "GET");
331
update_actions(isdir);
334
function handle_contents_response(path, response)
336
/* Treat this as an ordinary file. Get the file type. */
337
var content_type = response.getResponseHeader("Content-Type");
338
var handler_type = get_handler_type(content_type);
339
would_be_handler_type = handler_type;
340
/* handler_type should now be set to either
341
* "text", "image", "audio" or "binary". */
342
switch (handler_type)
345
handle_text(path, response.responseText,
346
would_be_handler_type);
349
/* TODO: Custom image handler */
350
handle_binary(path, response.responseText);
353
/* TODO: Custom audio handler */
354
handle_binary(path, response.responseText);
362
/* Called when a form upload comes back (from an iframe).
363
* Refreshes the page.
365
function upload_callback()
367
/* This has a pretty nasty hack, which happens to work.
368
* upload_callback is set as the "onload" callback for the iframe which
369
* receives the response from the server for uploading a file.
370
* This means it gets called twice. Once when initialising the iframe, and
371
* a second time when the actual response comes back.
372
* All we want to do is call navigate to refresh the page. But we CAN'T do
373
* that on the first load or it will just go into an infinite cycle of
374
* refreshing. We need to refresh the page ONLY on the second refresh.
375
* upload_callback_count is reset to 0 just before the iframe is created.
377
upload_callback_count++;
378
if (upload_callback_count >= 2)
380
myFrame = frames['upload_iframe'].document;
381
data = myFrame.firstChild.childNodes[1].firstChild.firstChild.nodeValue;
382
data = JSON.parse(data);
384
alert("Error: " + decodeURIComponent(data['Error']));
385
document.getElementsByName('data')[0].value = '';
225
/* Treat this as an ordinary file. Get the file type. */
226
var content_type = response.getResponseHeader("Content-Type");
227
var handler_type = get_handler_type(content_type);
228
/* If we're in "edit mode", always treat this file as text */
229
would_be_handler_type = handler_type;
230
if (editmode) handler_type = "text";
231
/* handler_type should now be set to either
232
* "text", "image", "audio" or "binary". */
233
switch (handler_type)
238
handle_text(path_join(path, "untitled"), "",
239
would_be_handler_type);
243
handle_text(path, response.responseText,
244
would_be_handler_type);
248
/* TODO: Custom image handler */
249
handle_binary(path, response.responseText);
252
/* TODO: Custom audio handler */
253
handle_binary(path, response.responseText);
423
282
dom_removechildren(document.getElementById("sidepanel"));
285
/** Sets the mode to either "file browser" or "text editor" mode.
286
* This modifies the window icon, and selected tab.
287
* \param editmode If True, editor mode. Else, file browser mode.
289
function setmode(editmode)
291
/* Find the DOM elements for the file browser and editor tabs */
292
var tabs = document.getElementById("apptabs");
293
var tab_files = null;
297
for (var i=0; i<tabs.childNodes.length; i++)
299
/* Find the href of the link within */
300
if (!tabs.childNodes[i].getElementsByTagName) continue;
301
a = tabs.childNodes[i].getElementsByTagName("a");
302
if (a.length == 0) continue;
303
href = a[0].getAttribute("href");
304
if (href == null) continue;
305
if (endswith(href, this_app))
306
tab_files = tabs.childNodes[i];
307
else if (endswith(href, edit_app))
308
tab_edit = tabs.childNodes[i];
313
tab_files.removeAttribute("class");
314
tab_edit.setAttribute("class", "thisapp");
318
tab_edit.removeAttribute("class");
319
tab_files.setAttribute("class", "thisapp");
426
323
/*** HANDLERS for different types of responses (such as dir listing, file,
430
* message may either be a string, or a DOM node, which will be placed inside
433
326
function handle_error(message)
435
329
var files = document.getElementById("filesbody");
437
if (typeof(message) == "string")
439
txt_elem = dom_make_text_elem("div", "Error: "
440
+ message.toString() + ".")
444
/* Assume message is a DOM node */
445
txt_elem = document.createElement("div");
446
txt_elem.appendChild(message);
330
var txt_elem = dom_make_text_elem("div", "Error: "
331
+ message.toString() + ".")
448
332
txt_elem.setAttribute("class", "padding error");
449
333
files.appendChild(txt_elem);
452
/** Given a path, filename and optional revision, returns a URL to open that
453
* revision of that file.
336
/** Presents a path list (address bar inside the page) for clicking.
455
function build_revision_url(path, filename, revision)
338
function presentpath(path)
457
bits = {'path': app_path(this_app, path, filename)};
458
if (current_revision)
340
var dom_path = document.getElementById("path");
341
var href_path = make_path(this_app);
345
/* Also set the document title */
346
document.title = path_basename(path) + " - IVLE";
347
/* Create all of the paths */
348
var pathlist = path.split("/");
349
for (var i=0; i<pathlist.length; i++)
460
bits['query_string'] = 'r=' + revision;
352
if (dir == "") continue;
353
/* Make an 'a' element */
354
href_path = path_join(href_path, dir);
355
nav_path = path_join(nav_path, dir);
356
var link = dom_make_link_elem("a", dir, "Navigate to " + nav_path,
357
href_path/*, "navigate(" + repr(href_path) + ")"*/);
358
dom_path.appendChild(link);
359
dom_path.appendChild(document.createTextNode("/"));
462
return build_url(bits);
361
dom_path.removeChild(dom_path.lastChild);
465
364
/** Given a mime type, returns the path to the icon.
525
425
div.appendChild(par2);
528
/* Enable or disable actions1 moreactions actions. Takes either a single
529
* name, or an array of them.*/
530
function set_action_state(names, which, allow_on_revision)
532
if (!(names instanceof Array)) names = Array(names);
534
for (var i=0; i < names.length; i++)
536
element = document.getElementById('act_' + names[i]);
538
!(current_file.svnstatus == 'revision' && !allow_on_revision))
541
element.setAttribute("class", "choice");
542
element.removeAttribute("disabled");
547
element.setAttribute("class", "disabled");
548
element.setAttribute("disabled", "disabled");
553
/* Updates the list of available actions based on files selected */
554
function update_actions()
557
var numsel = selected_files.length;
558
var svn_selection = false;
562
svn_selection = true;
563
for (var i = 0; i < selected_files.length; i++){
564
if (file_listing[selected_files[i]]["svnstatus"] == "unversioned")
566
svn_selection = false;
575
/* Display information about the current directory instead */
576
filename = path_basename(current_path);
579
else if (numsel == 1)
581
filename = selected_files[0];
582
file = file_listing[filename];
585
/* Update each action node in the topbar.
586
* This includes enabling/disabling actions as appropriate, and
587
* setting href/onclick attributes. */
591
/* Available if exactly one file is selected */
592
var open = document.getElementById("act_open");
595
open.setAttribute("class", "choice");
597
open.setAttribute("title",
598
"Navigate to this directory in the file browser");
600
open.setAttribute("title",
601
"Edit or view this file");
602
open.setAttribute("href", build_revision_url(current_path, filename,
607
open.setAttribute("class", "disabled");
608
open.removeAttribute("title");
609
open.removeAttribute("href");
613
/* Available if zero or one files are selected,
614
* and only if this is a file, not a directory */
615
var serve = document.getElementById("act_serve");
616
if (numsel <= 1 && !file.isdir && current_file.svnstatus != 'revision')
618
serve.setAttribute("class", "choice");
619
serve.setAttribute("onclick",
620
"return maybe_save('The last saved version will be served.')");
622
serve.setAttribute("href",
623
app_path(serve_app, current_path));
625
serve.setAttribute("href",
626
app_path(serve_app, current_path, filename));
630
serve.setAttribute("class", "disabled");
631
serve.removeAttribute("href");
632
serve.removeAttribute("onclick");
636
/* Available if exactly one file is selected,
637
* and it is a Python file.
639
var run = document.getElementById("act_run");
641
if (numsel <= 1 && !file.isdir && file.type == "text/x-python"
642
&& current_file.svnstatus != 'revision')
646
// In the edit window
647
var localpath = path_join('/home', current_path);
651
// In the browser window
652
var localpath = path_join('/home', current_path, filename);
654
run.setAttribute("class", "choice");
655
run.setAttribute("onclick", "runfile('" + localpath + "')");
659
run.setAttribute("class", "disabled");
660
run.removeAttribute("onclick");
664
/* Always available for current files.
665
* If 0 files selected, download the current file or directory as a ZIP.
666
* If 1 directory selected, download it as a ZIP.
667
* If 1 non-directory selected, download it.
668
* If >1 files selected, download them all as a ZIP.
670
var download = document.getElementById("act_download");
671
if (current_file.svnstatus == 'revision')
673
download.setAttribute("class", "disabled");
674
download.removeAttribute("onclick");
676
else if (numsel <= 1)
678
download.setAttribute("class", "choice")
681
download.setAttribute("href",
682
app_path(download_app, current_path));
684
download.setAttribute("title",
685
"Download the current directory as a ZIP file");
687
download.setAttribute("title",
688
"Download the current file");
692
download.setAttribute("href",
693
app_path(download_app, current_path, filename));
695
download.setAttribute("title",
696
"Download the selected directory as a ZIP file");
698
download.setAttribute("title",
699
"Download the selected file");
704
/* Make a query string with all the files to download */
705
var dlpath = urlencode_path(app_path(download_app, current_path)) + "?";
706
for (var i=0; i<numsel; i++)
707
dlpath += "path=" + encodeURIComponent(selected_files[i]) + "&";
708
dlpath = dlpath.substr(0, dlpath.length-1);
709
download.setAttribute("class", "choice")
710
download.setAttribute("href", dlpath);
711
download.setAttribute("title",
712
"Download the selected files as a ZIP file");
715
/* Refresh - No changes required */
717
/* Publish and Submit */
718
/* If this directory is under subversion and selected/unselected file is a
720
var publish = document.getElementById("act_publish");
721
var submit = document.getElementById("act_submit");
722
var pubcond = numsel <= 1 && file.isdir;
725
/* If this dir is already published, call it "Unpublish" */
728
publish.setAttribute("value", "unpublish");
729
publish.setAttribute("title" ,"Make it so this directory "
730
+ "can not be seen by anyone on the web");
731
publish.textContent = "Unpublish";
733
publish.setAttribute("value", "publish");
734
publish.setAttribute("title","Make it so this directory "
735
+ "can be seen by anyone on the web");
736
publish.textContent = "Publish";
739
set_action_state(["publish", "submit"], pubcond);
742
/* If exactly 1 non-directory file is selected, and its parent
743
* directory is published.
745
set_action_state("share", numsel == 1 && !file.isdir &&
746
current_file.published);
749
/* If exactly 1 file is selected */
750
set_action_state("rename", numsel == 1);
752
/* Delete, cut, copy */
753
/* If >= 1 file is selected */
754
set_action_state(["delete", "cut", "copy"], numsel >= 1);
756
/* Paste, new file, new directory, upload */
757
/* Disable if the current file is not a directory */
758
set_action_state(["paste", "newfile", "mkdir", "upload"], current_file.isdir);
760
/* Subversion actions */
761
/* These are only useful if we are in a versioned directory and have some
763
set_action_state(["svnadd",], numsel >= 1 && current_file.svnstatus);
764
/* And these are only usefull is ALL the selected files are versioned */
765
set_action_state(["svnremove", "svnrevert", "svncommit", "svncopy",
766
"svncut"], numsel >= 1 && current_file.svnstatus && svn_selection);
768
/* Diff, log and update only support one path at the moment, so we must
769
* have 0 or 1 versioned files selected. If 0, the directory must be
771
single_versioned_path = (
773
(numsel == 1 && (svnst = file_listing[selected_files[0]].svnstatus)) ||
774
(numsel == 0 && (svnst = current_file.svnstatus))
775
) && svnst != "unversioned");
776
set_action_state(["svndiff", "svnupdate"], single_versioned_path);
778
/* We can resolve if we have a file selected and it is conflicted. */
779
set_action_state("svnresolved", single_versioned_path && numsel == 1 && svnst == "conflicted");
781
/* Log should be available for revisions as well. */
782
set_action_state("svnlog", single_versioned_path, true);
784
/* There is currently nothing on the More Actions menu of use
785
* when the current file is not a directory. Hence, just remove
787
* (This makes some of the above decisions somewhat redundant).
788
* We also take this opportunity to show the appropriate actions2
789
* bar for this path. It should either be a save or upload widget.
791
if (current_file.isdir)
793
var actions2_directory = document.getElementById("actions2_directory");
794
actions2_directory.setAttribute("style", "display: inline;");
795
var moreactions = document.getElementById("moreactions_area");
796
moreactions.setAttribute("style", "display: inline;");
800
var actions2_file = document.getElementById("actions2_file");
801
actions2_file.setAttribute("style", "display: inline;");
807
/** Event handler for when an item of the "More actions..." dropdown box is
808
* selected. Performs the selected action. */
809
function handle_moreactions()
811
var moreactions = document.getElementById("moreactions");
812
if (moreactions.value == "top")
814
var selectedaction = moreactions.value;
815
/* Reset to "More actions..." */
816
moreactions.selectedIndex = 0;
818
/* If 0 files selected, filename is the name of the current dir.
819
* If 1 file selected, filename is that file.
821
if (selected_files.length == 0)
822
filename = path_basename(current_path);
823
else if (selected_files.length == 1)
824
filename = selected_files[0];
828
/* Now handle the selected action */
829
switch(selectedaction)
832
action_publish(selected_files);
835
action_unpublish(selected_files);
838
window.open(public_app_path("~" + current_path, filename), 'share')
842
alert("Not yet implemented: Submit");
845
action_rename(filename);
848
action_delete(selected_files);
851
action_copy(selected_files);
854
action_cut(selected_files);
866
show_uploadpanel(true);
869
action_add(selected_files);
872
action_remove(selected_files);
875
action_revert(selected_files);
878
window.location = path_join(app_path('diff'), current_path, selected_files[0] || '');
881
action_update(selected_files);
884
action_resolved(selected_files);
887
action_commit(selected_files);
890
window.location = path_join(app_path('svnlog'), current_path, selected_files[0] || '');
893
action_svncopy(selected_files);
896
action_svncut(selected_files);
901
/** User clicks "Run" button.
902
* Do an Ajax call and print the test output.
904
function runfile(localpath)
906
if (!maybe_save('The last saved version will be run.')) return false;
908
/* Dump the entire file to the console */
909
var callback = function()
911
console_enter_line("execfile('" + localpath + "')", "block");
913
start_server(callback)
917
428
/** Called when the page loads initially.
919
function browser_init()
430
window.onload = function()
921
432
/* Navigate (internally) to the path in the URL bar.
922
433
* This causes the page to be populated with whatever is at that address,