egroupware_official/phpgwapi/js/tabs/tabs.js
2003-08-31 17:24:29 +00:00

237 lines
6.5 KiB
JavaScript

/**
* Tabs class for handling HTML/CSS tabs
*
* Copyright (C) 2003 Dipl.-Inform. Kai Hofmann and probusiness AG
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Contact information:
* Dipl.-Inform. Kai Hofmann
* Arberger Heerstr. 92
* 28307 Bremen
* Germany
*
*
* probusiness AG
* Expo-Plaza-Nr. 1
* 30539 Hannover
* Germany
*
*
* @version 1.0
* @author hofmann@hofmann-int.de
*
* @argument nrTabs Number of Tabs to handle
* @argument activeCSSclass CSS class name for active tabs (display:inline)
* @argument inactiveCSSclass CSS class name for inactive tabs (display:none)
* @argument HTMLtabID HTML ID name prefix that would be used with the tab number as tab name.
* @argument HTMLtabcontentID HTML ID prefix for the tab content used with the tab number
* @argument HTMLtabselectorID HTML ID prefix for a selectbox used to switch between the tabs
* @argument HTMLtabradioID HTML ID prefix for radio button input fields used to switch between the tabs
* @argument tabPageKey URL parameter name to use for setting/getting the actual tab
*/
function Tabs(nrTabs,activeCSSclass,inactiveCSSclass,HTMLtabID,HTMLtabcontentID,HTMLtabselectorID,HTMLtabradioID,tabPageKey)
{
this.nrTabs = nrTabs;
this.activeCSSclass = activeCSSclass;
this.inactiveCSSclass = inactiveCSSclass;
this.HTMLtabID = HTMLtabID;
this.HTMLtabcontentID = HTMLtabcontentID;
this.HTMLtabselectorID = HTMLtabselectorID;
this.HTMLtabradioID = HTMLtabradioID;
this.tabPageKey = tabPageKey;
if (typeof(_tabs_prototype_called) == 'undefined')
{
_tabs_prototype_called = true;
Tabs.prototype.setActive = setActive;
Tabs.prototype.setInactive = setInactive;
Tabs.prototype.isActive = isActive;
Tabs.prototype.getActive = getActive;
Tabs.prototype.disableAll = disableAll;
Tabs.prototype.display = display;
Tabs.prototype.changeToActive = changeToActive;
Tabs.prototype.init = init;
}
/**
* Set tab as active
*
* @argument tabnr The tab number (1-nrTabs) of the tab that should be active
*/
function setActive(tabnr)
{
if ((tabnr > 0) && (tabnr <= this.nrTabs))
{
if(document.getElementById(this.HTMLtabID + tabnr))
document.getElementById(this.HTMLtabID + tabnr).className = this.activeCSSclass;
if(document.getElementById(this.HTMLtabcontentID + tabnr))
document.getElementById(this.HTMLtabcontentID + tabnr).className = this.activeCSSclass;
if(document.getElementById(this.HTMLtabselectorID))
document.getElementById(this.HTMLtabselectorID).selectedIndex = tabnr-1;
if(document.getElementById(this.HTMLtabradioID + tabnr))
document.getElementById(this.HTMLtabradioID + tabnr).checked = true;
}
}
/**
* Set tab as inactive
*
* @argument tabnr The tab number (1-nrTabs) of the tab that should be inactive
*/
function setInactive(tabnr)
{
if ((tabnr > 0) && (tabnr <= this.nrTabs))
{
if(document.getElementById(this.HTMLtabID + tabnr))
document.getElementById(this.HTMLtabID + tabnr).className = this.inactiveCSSclass;
if(document.getElementById(this.HTMLtabcontentID + tabnr))
document.getElementById(this.HTMLtabcontentID + tabnr).className = this.inactiveCSSclass;
}
}
/**
* Test if tab is active
*
* @argument tabnr The tab number (1-nrTabs) of the tab that should be tested
* @returns boolean - true if tab is active, false otherwise
*/
function isActive(tabnr)
{
return(document.getElementById(HTMLtabID + tabnr).className == this.activeCSSclass);
}
/**
* Get the active tab number
*
* @returns Tab (1-nrTabs) that is currently active or 0 if non is active.
*/
function getActive()
{
for (i = 1; i <= this.nrTabs; ++i)
{
if (this.isActive(i))
{
return(i);
}
}
return(0);
}
/**
* Disable all tabs
*/
function disableAll()
{
for (i = 1; i <= this.nrTabs; ++i)
{
this.setInactive(i);
}
}
/**
* Disable all tabs and then display the tab number given
*
* @argument tabnr Tab number to display
*/
function display(tabnr)
{
this.disableAll(this.nrTabs);
this.setActive(tabnr);
}
/**
* Loop over all tabs - switch off currently active tabs and display the new tab
*
* @argument tabnr Tab number to display
*/
function changeToActive(tabnr)
{
for (i = 1; i <= this.nrTabs; ++i)
{
if (i == tabnr)
{
if (!this.isActive(i))
{
this.setActive(i);
}
}
else
{
if (this.isActive(i))
{
this.setInactive(i);
}
}
}
}
/**
* Get url parameter for first tab and display it.
*/
function init()
{
var tab = 0;
var url = document.URL;
var pos = url.indexOf("?");
if (pos > -1)
{
var urlparams = url.substr(pos + 1,url.length - (pos + 1));
var regexp = new RegExp('(^|&)' + this.tabPageKey + '=[0-9]{1,2}');
var urlparamstart = urlparams.search(regexp);
if (urlparamstart > -1)
{
urlparamstart = urlparamstart + ((urlparams[urlparamstart] == '&') ? 1 : 0);
var urlparam = urlparams.substr(urlparamstart,urlparams.length - urlparamstart);
pos = urlparam.indexOf("&");
if (pos > -1)
{
urlparam = urlparam.substr(0,pos);
}
pos = urlparam.indexOf("=");
if (pos > -1)
{
var urlparamvalue = urlparam.substr(pos + 1,urlparam.length - (pos + 1));
tab = urlparamvalue;
}
}
else
{
tab = 1;
}
}
else
{
tab = 1;
}
if ((tab <= 0) || (tab > this.nrTabs))
{
tab = 1;
}
this.display(tab);
}
}