/src/boinc-7.0.36/html/user/bbcode_toolbar.js
JavaScript | 234 lines | 177 code | 32 blank | 25 comment | 60 complexity | 1d3d3608dd70f07f9e55a47be156bfe4 MD5 | raw file
- // bbCode control by
- // subBlue design
- // www.subBlue.com
- // Altered by John37309 for boinc.berkeley.edu 18th June 2009
- // This javascript adds a bbcode toolbar
- // functionallity to the posting page of the forums
- // Startup variables
- var imageTag = false;
- var theSelection = false;
- // Check for Browser & Platform for PC & IE specific bits
- // More details from: http://www.mozilla.org/docs/web-developer/sniffer/browser_type.html
- var clientPC = navigator.userAgent.toLowerCase(); // Get client info
- var clientVer = parseInt(navigator.appVersion); // Get browser version
- var is_ie = ((clientPC.indexOf("msie") != -1) && (clientPC.indexOf("opera") == -1));
- var is_nav = ((clientPC.indexOf('mozilla')!=-1) && (clientPC.indexOf('spoofer')==-1)
- && (clientPC.indexOf('compatible') == -1) && (clientPC.indexOf('opera')==-1)
- && (clientPC.indexOf('webtv')==-1) && (clientPC.indexOf('hotjava')==-1));
- var is_moz = 0;
- var is_win = ((clientPC.indexOf("win")!=-1) || (clientPC.indexOf("16bit") != -1));
- var is_mac = (clientPC.indexOf("mac")!=-1);
- // Helpline messages
- b_help = "Bold text: [b]text[/b] (alt+b)";
- i_help = "Italic text: [i]text[/i] (alt+i)";
- u_help = "Underline text: [u]text[/u] (alt+u)";
- q_help = "Quote text: [quote]text[/quote] (alt+q)";
- c_help = "Code display: [code]code[/code] (alt+c)";
- l_help = "List: [list]text[/list] (alt+l)";
- o_help = "Ordered list: [list=]text[/list] (alt+o)";
- p_help = "Insert image: [img]http://image_url[/img] (alt+p)";
- w_help = "Insert URL: [url]http://url[/url] or [url=http://url]URL text[/url] (alt+w)";
- a_help = "Close all open bbCode tags";
- s_help = "Font color: [color=red]text[/color] Tip: you can also use color=#FF0000";
- f_help = "Font size: [size=x-small]small text[/size]";
- y_help = "Youtube video: [youtube]URL of movie[/youtube]";
- k_help = "Strike text; [s]text[/s]";
- // Define the bbCode tags
- bbcode = new Array();
- bbtags = new Array('[b]','[/b]','[i]','[/i]','[u]','[/u]','[quote]','[/quote]','[code]','[/code]','[list]','[/list]','[list=]','[/list]','[img]','[/img]','[url]','[/url]','[youtube]','[/youtube]','[s]','[/s]');
- imageTag = false;
- // Shows the help messages in the helpline window
- function helpline(help) {
- document.post.helpbox.value = eval(help + "_help");
- }
- // Replacement for arrayname.length property
- function getarraysize(thearray) {
- for (i = 0; i < thearray.length; i++) {
- if ((thearray[i] == "undefined") || (thearray[i] == "") || (thearray[i] == null))
- return i;
- }
- return thearray.length;
- }
- // Replacement for arrayname.push(value) not implemented in IE until version 5.5
- // Appends element to the array
- function arraypush(thearray,value) {
- thearray[ getarraysize(thearray) ] = value;
- }
- // Replacement for arrayname.pop() not implemented in IE until version 5.5
- // Removes and returns the last element of an array
- function arraypop(thearray) {
- thearraysize = getarraysize(thearray);
- retval = thearray[thearraysize - 1];
- delete thearray[thearraysize - 1];
- return retval;
- }
- function checkForm() {
- formErrors = false;
- if (document.post.content.value.length < 2) {
- formErrors = "You must enter a message when posting.";
- }
- if (formErrors) {
- alert(formErrors);
- return false;
- } else {
- bbstyle(-1);
- //formObj.preview.disabled = true;
- //formObj.submit.disabled = true;
- return true;
- }
- }
- function emoticon(text) {
- var txtarea = document.post.content;
- text = ' ' + text + ' ';
- if (txtarea.createTextRange && txtarea.caretPos) {
- var caretPos = txtarea.caretPos;
- caretPos.text = caretPos.text.charAt(caretPos.text.length - 1) == ' ' ? caretPos.text + text + ' ' : caretPos.text + text;
- txtarea.focus();
- } else {
- txtarea.value += text;
- txtarea.focus();
- }
- }
- function bbfontstyle(bbopen, bbclose) {
- var txtarea = document.post.content;
- if ((clientVer >= 4) && is_ie && is_win) {
- theSelection = document.selection.createRange().text;
- if (!theSelection) {
- txtarea.value += bbopen + bbclose;
- txtarea.focus();
- return;
- }
- document.selection.createRange().text = bbopen + theSelection + bbclose;
- txtarea.focus();
- return;
- }
- else if (txtarea.selectionEnd && (txtarea.selectionEnd - txtarea.selectionStart > 0))
- {
- mozWrap(txtarea, bbopen, bbclose);
- return;
- }
- else
- {
- txtarea.value += bbopen + bbclose;
- txtarea.focus();
- }
- storeCaret(txtarea);
- }
- function bbstyle(bbnumber) {
- var txtarea = document.post.content;
- txtarea.focus();
- donotinsert = false;
- theSelection = false;
- bblast = 0;
- if (bbnumber == -1) { // Close all open tags & default button names
- while (bbcode[0]) {
- butnumber = arraypop(bbcode) - 1;
- txtarea.value += bbtags[butnumber + 1];
- buttext = eval('document.post.addbbcode' + butnumber + '.value');
- eval('document.post.addbbcode' + butnumber + '.value ="' + buttext.substr(0,(buttext.length - 1)) + '"');
- }
- imageTag = false; // All tags are closed including image tags :D
- txtarea.focus();
- return;
- }
- if ((clientVer >= 4) && is_ie && is_win)
- {
- theSelection = document.selection.createRange().text; // Get text selection
- if (theSelection) {
- // Add tags around selection
- document.selection.createRange().text = bbtags[bbnumber] + theSelection + bbtags[bbnumber+1];
- txtarea.focus();
- theSelection = '';
- return;
- }
- }
- else if (txtarea.selectionEnd && (txtarea.selectionEnd - txtarea.selectionStart > 0))
- {
- mozWrap(txtarea, bbtags[bbnumber], bbtags[bbnumber+1]);
- return;
- }
- // Find last occurance of an open tag the same as the one just clicked
- for (i = 0; i < bbcode.length; i++) {
- if (bbcode[i] == bbnumber+1) {
- bblast = i;
- donotinsert = true;
- }
- }
- if (donotinsert) { // Close all open tags up to the one just clicked & default button names
- while (bbcode[bblast]) {
- butnumber = arraypop(bbcode) - 1;
- txtarea.value += bbtags[butnumber + 1];
- buttext = eval('document.post.addbbcode' + butnumber + '.value');
- eval('document.post.addbbcode' + butnumber + '.value ="' + buttext.substr(0,(buttext.length - 1)) + '"');
- imageTag = false;
- }
- txtarea.focus();
- return;
- } else { // Open tags
- if (imageTag && (bbnumber != 14)) { // Close image tag before adding another
- txtarea.value += bbtags[15];
- lastValue = arraypop(bbcode) - 1; // Remove the close image tag from the list
- document.post.addbbcode14.value = "Img"; // Return button back to normal state
- imageTag = false;
- }
- // Open tag
- txtarea.value += bbtags[bbnumber];
- if ((bbnumber == 14) && (imageTag == false)) imageTag = 1; // Check to stop additional tags after an unclosed image tag
- arraypush(bbcode,bbnumber+1);
- eval('document.post.addbbcode'+bbnumber+'.value += "*"');
- txtarea.focus();
- return;
- }
- storeCaret(txtarea);
- }
- // From http://www.massless.org/mozedit/
- function mozWrap(txtarea, open, close)
- {
- var selLength = txtarea.textLength;
- var selStart = txtarea.selectionStart;
- var selEnd = txtarea.selectionEnd;
- if (selEnd == 1 || selEnd == 2)
- selEnd = selLength;
- var s1 = (txtarea.value).substring(0,selStart);
- var s2 = (txtarea.value).substring(selStart, selEnd)
- var s3 = (txtarea.value).substring(selEnd, selLength);
- txtarea.value = s1 + open + s2 + close + s3;
- return;
- }
- // Insert at Claret position. Code from
- // http://www.faqts.com/knowledge_base/view.phtml/aid/1052/fid/130
- function storeCaret(textEl) {
- if (textEl.createTextRange) textEl.caretPos = document.selection.createRange().duplicate();
- }