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