34
40
/** Creates a DOM element with simple text inside it.
35
41
* \param tagname String. Name of the element's tag (eg. "p").
36
42
* \param text String. Text to be placed inside the element.
43
* \param title String, optional. Tooltip for the text.
44
* (Note, title creates a span element around the text).
37
45
* \return DOM Element object.
39
function dom_make_text_elem(tagname, text)
47
function dom_make_text_elem(tagname, text, title)
41
49
if (text == null) text = "";
42
50
var elem = document.createElement(tagname);
43
elem.appendChild(document.createTextNode(text));
53
textnode = document.createTextNode(text);
56
textnode = document.createElement("span");
57
textnode.setAttribute("title", title);
58
textnode.appendChild(document.createTextNode(text));
60
elem.appendChild(textnode);
47
64
/** Creates a DOM element with hyperlinked text inside it.
48
65
* \param tagname String. Name of the element's tag (eg. "p").
49
66
* \param text String. Text to be placed inside the element.
67
* \param title String, optional. Sets a tooltip for the link.
50
68
* \param href String. URL the text will link to. This is a raw string,
51
69
* it will automatically be URL-encoded.
52
70
* \param onclick Optional string. Will be set as the "onclick" attribute
53
71
* of the "a" element.
72
* \param dontencode Optional boolean. If true, will not encode the href.
73
* if including query strings, you must set this to true and use build_url
74
* to escape the URI correctly.
54
75
* \return DOM Element object.
56
function dom_make_link_elem(tagname, text, href, onclick)
77
function dom_make_link_elem(tagname, text, title, href, onclick, dontencode)
58
79
if (text == null) text = "";
59
80
if (href == null) href = "";
60
81
var elem = document.createElement(tagname);
61
82
var link = document.createElement("a");
62
link.setAttribute("href", encodeURI(href));
83
if (dontencode != true)
84
href = urlencode_path(href);
85
link.setAttribute("href", href);
87
link.setAttribute("title", title);
63
88
if (onclick != null)
64
89
link.setAttribute("onclick", onclick);
65
90
link.appendChild(document.createTextNode(text));
95
/** Creates a DOM img element. All parameters are optional except src.
96
* If alt (compulsory in HTML) is omitted, will be set to "".
98
function dom_make_img(src, width, height, title, alt)
100
var img = document.createElement("img");
101
img.setAttribute("src", urlencode_path(src));
103
img.setAttribute("width", width);
105
img.setAttribute("height", height);
107
img.setAttribute("title", title);
108
if (alt == null) alt = "";
109
img.setAttribute("alt", alt);
70
113
/** Given a number of bytes, returns a string representing the file size in a
71
114
* human-readable format.
72
115
* eg. nice_filesize(6) -> "6 bytes"
111
154
* args is never null, though it may be empty.
113
156
* All strings are decoded/unescaped. Reserved characters
114
* (; , / ? : @ & = + * $) are not decoded except in args.
157
* (; , / ? : @ & = + * $) are not decoded except in args and path.
116
159
* \param url String. A URL. To read from the current browser window, use
117
160
* window.location.href.
269
311
url += ":" + obj.server_port.toString();
270
312
if (("path" in obj) && obj.path != null)
272
var path = obj.path.toString();
314
var path = urlencode_path(obj.path.toString());
273
315
if (url.length > 0 && path.length > 0 && path[0] != "/")
274
316
path = "/" + path;
277
319
if (("query_string" in obj) && obj.query_string != null)
278
query_string = obj.query_string.toString();
320
query_string = encodeURI(obj.query_string.toString());
279
321
else if (("args" in obj) && obj.args != null)
280
322
query_string = make_query_string(obj.args);
282
324
if (query_string != null)
283
325
url += "?" + query_string;
285
return encodeURI(url);
330
/** URL-encodes a path. This is a special case of URL encoding as all
331
* characters *except* the slash must be encoded.
333
function urlencode_path(path)
335
/* Split up the path, URLEncode each segment with encodeURIComponent,
338
var split = path.split('/');
339
for (var i=0; i<split.length; i++)
340
split[i] = encodeURIComponent(split[i]);
341
path = path_join.apply(null, split);
342
if (split[0] == "" && split.length > 1) path = "/" + path;
288
346
/** Given an argument map, as output in the args parameter of the return of
413
471
return path_join(root_dir, path);
474
/** Shorthand for make_path(path_join(app, ...))
475
* Creates an absolute path for a given path within a given app.
477
function app_path(app /*,...*/)
479
return make_path(path_join.apply(null, arguments));
482
/** Given a path, gets the "basename" (the last path segment).
484
function path_basename(path)
486
segments = path.split("/");
487
if (segments[segments.length-1].length == 0)
488
return segments[segments.length-2];
490
return segments[segments.length-1];
493
/** Given a string str, determines whether it ends with substr */
494
function endswith(str, substring)
496
if (str.length < substring.length) return false;
497
return str.substr(str.length - substring.length) == substring;
500
/** Equivalent to Python's repr.
501
* Gets the JavaScript string representation.
502
* Actually just calls JSON.stringify.
506
return JSON.stringify(str);
509
/** Removes all occurences of a value from an array.
511
Array.prototype.removeall = function(val)
516
for (i=0; i<arr.length; i++)
519
if (arr[i] != val) j++;
416
524
/** Makes an XMLHttpRequest call to the server. Waits (synchronously) for a
417
525
* response, and returns an XMLHttpRequest object containing the completed
431
539
if (content_type != "multipart/form-data")
432
540
content_type = "application/x-www-form-urlencoded";
433
path = make_path(path_join(app, path));
541
path = app_path(app, path);
435
543
/* A random string, for multipart/form-data
436
544
* (This is not checked against anywhere else, it is solely defined and