MediaWiki:Extensions/historynav.js

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Current revision (11:51, 14 December 2009) (view source)
 
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// <pre>
// <pre>
-
// At http://openwetware.org/wiki/User:Austin/Extensions/history.js
+
// At http://openwetware.org/wiki/MediaWiki:Extensions/historynav.js
// Author: Austin Che
// Author: Austin Che
//
//
Line 170: Line 170:
     loadSaveHistory();
     loadSaveHistory();
     showHistory();
     showHistory();
-
}
 
-
 
-
var inviteLimit = parseInt(5);
 
-
var inviteExpiration = parseInt(30);    // days
 
-
var inviteCookieName = "owwinvites";
 
-
function inviteLogGet(){
 
-
    var invite = parseInt(0);
 
-
    var str = getCookie(inviteCookieName);
 
-
    if (str == null)
 
-
        setCookie(inviteCookieName, parseInt(0), inviteExpiration);
 
-
    else
 
-
        invite = parseInt(str);
 
-
    if (invite > inviteLimit)
 
-
        return parseInt(0);
 
-
    return parseInt(inviteLimit - invite);
 
-
}
 
-
function inviteLogSet(){
 
-
    var invite = parseInt(getCookie(inviteCookieName));
 
-
    if (invite > inviteLimit)
 
-
        return parseInt(0);
 
-
    setCookie(inviteCookieName, parseInt(invite + 1), inviteExpiration);
 
}
}
// </pre>
// </pre>

Current revision

// <pre>
// At http://openwetware.org/wiki/MediaWiki:Extensions/historynav.js
// Author: Austin Che
//
// This only works with MediaWiki > 1.8 (which defines wgPageName as Javascript variable)
// Add the following line to User:YOURNAME/monobook.js
// document.write('<script type="text/javascript" src="http://openwetware.org/index.php?title=MediaWiki:Extensions/historynav.js&action=raw&ctype=text/javascript"></script>');
 
// This version has been modified to load from the 'History' MediaWiki extension rather than dynamically placed at the top right of a MediaWiki page.
// The script requires an existing '<select>' tag named 'hist'. 
 
if (document.getElementById && addOnloadHook)
    addOnloadHook(initVisitHistory);
 
var historyNumSaved = 15;
var historyExpiration = 30;     // days
var historyCookieName = "wikihist";
var historyList = new Array();
 
function setCookie(name, value, days)
{
    var expires = "";
	if (days) 
        {
		var date = new Date(); // current time
		date.setTime(date.getTime() + (days*24*60*60*1000));
		expires = "; expires=" + date.toGMTString();
	}
	document.cookie = name + "=" + escape(value) + expires + "; path=/";
}
 
function getCookie(name)
{
    // returns the value of the cookie with name
 
    if (! document.cookie.length)
        return null;
 
    // search for cookie
    var search = name + "=";
    var offset = document.cookie.indexOf(search);
    if (offset == -1)
        return null;            // no such cookie
 
    // set offset to the beginning of the cookie value
    offset += search.length;
 
    var end = document.cookie.indexOf(";", offset); // find end
    if (end == -1)
        end = document.cookie.length;
 
    return unescape(document.cookie.substring(offset, end));
}
 
function loadSaveHistory()
{
    var cookie = getCookie(historyCookieName);
 
    // using | as separator as it is not valid in wiki page name
    if (cookie)
        historyList = cookie.split('|');
 
    for (var i = 0; i < historyList.length; i++)
    {
        if (historyList[i] == wgPageName)
        {
            historyList.splice(i, 1);
            break;
        }
    }
 
    // add current page to beginning of history list
    if (historyList.length == 0 || historyList[0] != wgPageName)
        historyList.unshift(wgPageName);
 
    if (historyList.length > historyNumSaved) 
        historyList = historyList.slice(0, historyNumSaved);
 
    setCookie(historyCookieName, historyList.join('|'), historyExpiration);
}
 
function jumpToHistoryPage()
{    
    var hist = document.getElementById('visithistory');
    if (!hist.changed)
        return false;
 
    var page = hist.options[hist.selectedIndex].text;
    var s = new String(wgArticlePath);
    s = s.replace(/\$1/, page);
    var url = wgServer + encodeURI(s.toString());
    window.location = url;
 
    return true;
}
 
function historyClicked()
{
    this.changed = true;
}
 
 
function historyFocus()
{
    this.initValue = this.value;
    return true;
}
 
function historyKeydown(e)
{
    var theEvent;
    var keyCodeTab = "9";
    var keyCodeEnter = "13";
    var keyCodeEsc = "27";
 
    if (e)
        theEvent = e;
    else
        theEvent = event;
 
    if ((theEvent.keyCode == keyCodeEnter || theEvent.keyCode == keyCodeTab) && this.value != this.initValue)
    {
        this.changed = true;
        jumpToHistoryPage();
    }
    else if (theEvent.keyCode == keyCodeEsc)
        this.value = this.initValue;
    else
        this.changed = false;
 
    return true;
}
 
function addOption(text)
{
    var o = document.createElement('option');
    o.appendChild(document.createTextNode(text));
    return o;
}
 
function showHistory()
{
    if (!historyList || !historyList.length)
        return;
 
    var hist = document.getElementById('hist');
    if (hist != null){
        hist.id = 'visithistory';
        // without removing text-transform, page names are lowercased
        hist.style.textTransform = "none";
        hist.changed = false;
        hist.onchange = jumpToHistoryPage;
        hist.onfocus = historyFocus;
        hist.onkeydown = historyKeydown;
        hist.onclick = historyClicked;
 
        var o = addOption(historyList[0]);
        o.selected = true;
        hist.appendChild(o);
 
        for (var i = 1; i < historyList.length; i++)
        {
            hist.appendChild(addOption(historyList[i]));
        }
    }
}
 
function initVisitHistory()
{
    loadSaveHistory();
    showHistory();
}
 
// </pre>
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