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function disable_save()
{
var savebutton = document.getElementById("save_button");
savebutton.disabled = true;
window.onbeforeunload = null;
}
function save_file(filename)
{
if (using_codemirror)
data = codemirror.getCode();
else
data = document.getElementById("editbox").value;
/* Convert newlines to a single LF (mainly for IE's CRLFs) */
data = data.replace(/\r\n/g, '\n').replace(/\r/g, '\n');
/* Do NOT refresh the page contents (causes problems for editarea and is
* unnecessary). */
if (current_file.svnstatus != "revision" ||
confirm("You are currently viewing an older version of this file. " +
"Saving will overwrite the current version. " +
"Are you sure you want to continue?"))
{
do_action("putfile", filename,
{"path":".", "data":data, "overwrite":"true"},
"multipart/form-data");
disable_save();
}
}
function save_file_as(default_filename)
{
filename = prompt("Path to save to:", default_filename);
if (!filename) return;
/* The filename will be path_joined with the app name, so needs to not
* be absolute, lest it clobber the app name. */
if (filename.charAt(0) == "/") filename = filename.substring(1);
ajax_call(save_file_as_callback, "fileservice", filename, {}, "POST");
}
function save_file_as_callback(response)
{
if (response.status == 404 || confirm("Are you sure you want to overwrite " + filename + "?"))
save_file(filename);
}
/* Return a warning to be used in window.onbeforeunload. */
function confirm_beforeunload() {
return 'If you continue, any unsaved changes to the current file will be lost.';
}
function edit_text()
{
var savebutton = document.getElementById("save_button");
savebutton.disabled = false;
window.onbeforeunload = confirm_beforeunload;
}
/** Presents the "editor heading" inserting it into a given element at
* the front. Note that the save widget is handled by the Python.
*/
function present_editorhead(elem, path, handler_type)
{
var div = document.getElementById("actions2");
/* Print a warning message if this is not actually a text file.
*/
if (handler_type != "text")
{
var warn = dom_make_text_elem("p",
"Warning: You are editing a binary " +
"file, which explains any strange characters you may see. If " +
"you save this file, you could corrupt it.");
div.appendChild(warn);
}
}
function highlighting_changed(select)
{
codemirror_language(select.value);
}
/** Presents the text editor.
*/
function handle_text(path, text, handler_type)
{
/* Create a textarea with the text in it
* (The makings of a primitive editor).
*/
var files = document.getElementById("filesbody");
/* Put our UI at the top */
present_editorhead(files, path, handler_type);
var div = document.createElement("div");
div.style.height = '100%';
files.appendChild(div);
var txt_elem = document.createElement("textarea");
txt_elem.value = text.toString();
div.appendChild(txt_elem);
txt_elem.setAttribute("id", "editbox");
language = language_from_mime(current_file.type);
// Assume plaintext if no type can be determined.
language = language ? language : "text";
document.getElementById("highlighting_select").value = language;
$(txt_elem).change(edit_text);
/* This isn't ideal, as Opera seems to fire it even for non-textual keys.
* But IE and WebKit don't, so this will behave properly in most browsers.
* This makes me sad.
*/
$(txt_elem).keypress(edit_text);
txt_elem.style.width = "100%";
txt_elem.style.height = "100%";
window.onbeforeunload = confirm_beforeunload;
/* Always use CodeMirror (unless we find a good reason not to!) */
using_codemirror = true;
if (using_codemirror)
{
/* CodeMirror */
using_codemirror = true;
codemirror = new CodeMirror.fromTextArea(txt_elem, {
path: codemirrorpath,
stylesheet: [
codemirrorpath + "/contrib/python/css/pythoncolors.css",
codemirrorpath + "/css/xmlcolors.css",
codemirrorpath + "/css/jscolors.css",
codemirrorpath + "/css/csscolors.css"
],
basefiles: ["js/util.js",
"js/stringstream.js",
"js/select.js",
"js/undo.js",
"js/editor.js",
"js/tokenize.js"
],
parserfile: ["contrib/python/js/parsepython.js",
"js/parsexml.js",
"js/parsecss.js",
"js/tokenizejavascript.js",
"js/parsejavascript.js",
"js/parsehtmlmixed.js",
"js/parsedummy.js"
],
onChange: edit_text,
indentUnit: 4,
tabMode: "spaces",
lineNumbers: true,
initCallback: function() {codemirror_language(language);},
saveFunction: function() {document.getElementById("save_button").click();}
});
}
/* Not using CodePress, so we can already disable the Save button. */
disable_save();
}
function codemirror_language(lang)
{
if(lang == 'python') {
codemirror.setParser("PythonParser")
} else if(lang == 'html') {
codemirror.setParser("HTMLMixedParser")
} else if(lang == 'css') {
codemirror.setParser("CSSParser")
} else if(lang == 'javascript') {
codemirror.setParser("JSParser")
} else {
codemirror.setParser("DummyParser")
}
}
function language_from_mime(mime)
{
return {'text/x-python': 'python',
'application/x-javascript': 'javascript',
'application/javascript': 'javascript',
'text/css': 'css',
'text/plain': 'text',
'text/html': 'html',
'application/xml': 'html',
'application/xhtml+xml': 'html'}[mime];
}
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