/***************************************************************
*  Copyright notice
*
*  (c) 2003-2004 Jean-Michel Garnier (garnierjm@yahoo.fr)
*  All rights reserved
*
*  This script is part of the phpXplorer project. The phpXplorer 
project is
*  free software; you can redistribute it and/or modify
*  it under the terms of the GNU General Public License as published by
*  the Free Software Foundation; either version 2 of the License, or
*  (at your option) any later version.
*
*  The GNU General Public License can be found at
*  http://www.gnu.org/copyleft/gpl.html.
*  A copy is found in the textfile GPL.txt distributed with these 
scripts.
*
*  This script 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 General Public License for more details.
*
*  This copyright notice MUST APPEAR in all copies of the script!
***************************************************************/

// ---------------------------------------------------------------------------

// --- Name:    Easy DHTML Treeview                                         --

// --- Original idea by : D.D. de Kerf                  --

// --- Updated by Jean-Michel Garnier, garnierjm@yahoo.fr                   --

// ---------------------------------------------------------------------------

/*****************************************************************************

Name : toggle

Parameters :  node , DOM element (<a> tag)

Description :     Description, collapse or unfold a branch

Author : Jean-Michel Garnier /  D.D. de Kerf

*****************************************************************************/



function toggle(node) {
    // Get the next tag (read the HTML source)
	var nextDIV = node.nextSibling;
	// find the next DIV
	while(nextDIV.nodeName != "DIV") {
		nextDIV = nextDIV.nextSibling;
	}
	// Unfold the branch if it isn't visible
	if (nextDIV.style.display == 'none') {
		// Change the image (if there is an image)
		if (node.childNodes.length > 0) {
			if (node.childNodes.item(0).nodeName == "IMG") {
				node.childNodes.item(0).src = getImgDirectory(node.childNodes.item(0).src) + "minus.gif";
			}
		}
		nextDIV.style.display = 'block';
	}

	// Collapse the branch if it IS visible
	else {
		// Change the image (if there is an image)
		if (node.childNodes.length > 0) {
			if (node.childNodes.item(0).nodeName == "IMG") {
  				node.childNodes.item(0).src = getImgDirectory(node.childNodes.item(0).src) + "plus.gif";
			}
		}
		nextDIV.style.display = 'none';
	}
}




/*****************************************************************************

Name : toggle2

Parameters :  node DOM element (<a> tag), folderCode String

Description :    if you use the "code" attribute in a folder element, toggle2 is called

instead of toggle. The consequence is that you MUST implement a selectFolder function in your page.

Author : Jean-Michel Garnier

*****************************************************************************/

function toggle2(node, folderCode) {

    toggle(node);

    selectFolder(folderCode);

}



/*****************************************************************************

Name : getImgDirectory

Parameters : Image source path

Return : Image source Directory

Author : Jean-Michel Garnier

*****************************************************************************/



function getImgDirectory(source) {

    return source.substring(0, source.lastIndexOf('/') + 1);

}



/************************************

************* IMPORTANT *************

*************************************



The functions above are NOT used by the DHTML treeview. Netherless, have a look bc some be useful if you

need to make XSLT on the client (since IE 5.5 and soon Mozilla !)



*/





/*****************************************************************************

Name : stringExtract

Parameters :

- st String input string, contains n separators

- position int, from 0 to n, position of the token wanted

- separator char, separator between token



Return : the token at the position wanted if it exists



Description : Equivalent to class java.util.StringTokenizer

Example -> stringExtract("A; B; C", 0, ";") = "A"



Author : Jean-Michel Garnier

*****************************************************************************/



function stringExtract( st, position, separator ) {

	var array;

	var result = new String('');

	var s = new String(st);

	if (s != '' ) {

		array = s.split( separator);

		// @TODO, add a control on position value ...

		result = array[position];

	}

	return result;

}



/*****************************************************************************

Name : jsTrim

Parameters : value, String

Return : the same String, with space characters removed

Description : equivalent to trim function

Author : Jean-Michel Garnier

*****************************************************************************/



function jsTrim(value) {

    var result = "";

    for (i=0; i < value.length; i++) {

        if (value.charAt(i) != ' ') {

            result += value.charAt(i);

        }

    }

    return result;

}



/*****************************************************************************

Name : findObj

Parameters :

- n String object's name

- d Document document

Return : a reference on the object if it exists

Description : Search an object in a document from its name.

Author : Macromedia

*****************************************************************************/



function findObj(n, d) {

  var p, i, x;

  if (!d)

    d = document;

  if ( (p=n.indexOf("?") )>0 && parent.frames.length ) {

		d = parent.frames[n.substring(p+1)].document;

		n = n.substring(0,p);

  }

  if (!(x=d[n])&& d.all )

	x = d.all[n];

  for (i=0; !x && i < d.forms.length; i++)

	x = d.forms[i][n];

  for (i=0; !x && d.layers && i<d.layers.length; i++)

	x = findObj(n, d.layers[i].document);



  return x;

}



/*****************************************************************************

Name : isInSelectInput

Parameters :

- v String Option value

- select_input input SELECT

Return : true if the SELECT already value

Author : Jean-Michel Garnier

*****************************************************************************/



function isInSelectInput(v, select_input) {

	for(var i=0; i<select_input.options.length; i++) {

		if (select_input.options[i].value == v) {

			return true;

		}

	}

	return false;

}



/*****************************************************************************

Name : selectOption

Parameters :

- v_value String Option value

- select_input SELECT

Description : Select all options whose value

Author : Jean-Michel Garnier

*****************************************************************************/



function selectOption(v_value, select_input) {

	var i, nb_item;

	nb_item = select_input.options.length;

	for (i = 0; i < nb_item ; i++) {

		if ( select_input.options[i].value == v_value )

			select_input.options[i].selected = true;

	}

}



/*****************************************************************************

Name : selectRemoveSelectedOption

Parameters : select_input SELECT

Description : removes all the selected options

Author : Jean-Michel Garnier

*****************************************************************************/



function selectRemoveSelectedOption(select_input) {

    for(var i=0; i<select_input.options.length; i++) {

        if ( select_input.options[i].selected ) {

  			select_input.options[i] = null;

   		}

	}

	select_input.selectedIndex = -1;

}



/*****************************************************************************

Name : selectRemoveAll

Parameters : select_input

Description : This Function removes all options

Author : Jean-Michel Garnier

*****************************************************************************/



function selectRemoveAll(select_input) {



    var linesNumber = select_input.options.length;

    for(i=0; i < linesNumber; i++) {

		select_input.options[0] = null;

    }

	select_input.selectedIndex = -1;

}



/*****************************************************************************

Name : buildXMLSource

Parameters : xmlSource_name, String, can be a file name (.xml or .xslt) or

a String containing the xml 

!!!BE SURE xml and xlt are lowercase

Return : a reference on a ActiveX Msxml2.FreeThreadedDOMDocument with the xml loaded

Author : Jean-Michel Garnier

*****************************************************************************/



function buildXMLSource(xmlSource_name) {



    var obj, file_extension;

    obj = new ActiveXObject("Msxml2.FreeThreadedDOMDocument");

    obj.async = false;

    obj.resolveExternals = false;



    file_extension = stringExtract(xmlSource_name, 1, ".");

    // if there is a file extension, then load the file

    if (file_extension == "xml" || file_extension == "xslt" ) {

        obj.load(xmlSource_name);

    }

    else {

        // else load the XML String

        obj.loadXML(xmlSource_name);

    }



    return obj;

}



/*****************************************************************************

Name : transform

Parameters :

- xmlSource Msxml2.FreeThreadedDOMDocument ActiveX XML

- xsltSource Msxml2.FreeThreadedDOMDocument ActiveX XSLT

Return : String with the result of the transformation (not an ActiveX object !)

Description :



Author : Jean-Michel Garnier

*****************************************************************************/



function transform(xmlSource, xsltSource) {



    var xslt;

    var xslProc, paramName, paramValue;



    // Create XLST

    xslt = new ActiveXObject("Msxml2.XSLTemplate");

    xslt.stylesheet = xsltSource;



    // Add parameters

    xslProc = xslt.createProcessor();



    xslProc.input = xmlSource;



    // add parameters if present

    if (arguments.length >2 && arguments.length % 2 == 0){

        for (var i=0; i < Math.floor((arguments.length)/2)-1; i++){

            paramName = arguments[2*i+2];

            paramValue = arguments[2*i+3];

            xslProc.addParameter(paramName, paramValue);

        }

    }



    xslProc.transform();

    return xslProc.output;

}



function BrowserDetectLite() {

	var ua = navigator.userAgent.toLowerCase();



	// browser name

	this.isGecko     = (ua.indexOf('gecko') != -1);

	this.isMozilla   = (this.isGecko && ua.indexOf("gecko/") + 14 == ua.length);

	this.isNS        = ( (this.isGecko) ? (ua.indexOf('netscape') != -1) : ( (ua.indexOf('mozilla') != -1) && (ua.indexOf('spoofer') == -1) && (ua.indexOf('compatible') == -1) && (ua.indexOf('opera') == -1) && (ua.indexOf('webtv') == -1) && (ua.indexOf('hotjava') == -1) ) );

	this.isIE        = ( (ua.indexOf("msie") != -1) && (ua.indexOf("opera") == -1) && (ua.indexOf("webtv") == -1) );

	this.isOpera     = (ua.indexOf("opera") != -1);

	this.isKonqueror = (ua.indexOf("konqueror") != -1);

	this.isIcab      = (ua.indexOf("icab") != -1);

	this.isAol       = (ua.indexOf("aol") != -1);

	this.isWebtv     = (ua.indexOf("webtv") != -1);



	// spoofing and compatible browsers

	this.isIECompatible = ( (ua.indexOf("msie") != -1) && !this.isIE);

	this.isNSCompatible = ( (ua.indexOf("mozilla") != -1) && !this.isNS && !this.isMozilla);



	// browser version

	this.versionMinor = parseFloat(navigator.appVersion);



	// correct version number

	if (this.isNS && this.isGecko) {

		this.versionMinor = parseFloat( ua.substring( ua.lastIndexOf('/') + 1 ) );

	}

	else if (this.isIE && this.versionMinor >= 4) {

		this.versionMinor = parseFloat( ua.substring( ua.indexOf('msie ') + 5 ) );

	}

	else if (this.isMozilla) {

      this.versionMinor = parseFloat( ua.substring( ua.indexOf('rv:') + 3 ) );

   }

   else if (this.isOpera) {

		if (ua.indexOf('opera/') != -1) {

			this.versionMinor = parseFloat( ua.substring( ua.indexOf('opera/') + 6 ) );

		}

		else {

			this.versionMinor = parseFloat( ua.substring( ua.indexOf('opera ') + 6 ) );

		}

	}

	else if (this.isKonqueror) {

		this.versionMinor = parseFloat( ua.substring( ua.indexOf('konqueror/') + 10 ) );

	}

	else if (this.isIcab) {

		if (ua.indexOf('icab/') != -1) {

			this.versionMinor = parseFloat( ua.substring( ua.indexOf('icab/') + 6 ) );

		}

		else {

			this.versionMinor = parseFloat( ua.substring( ua.indexOf('icab ') + 6 ) );

		}

	}

	else if (this.isWebtv) {

		this.versionMinor = parseFloat( ua.substring( ua.indexOf('webtv/') + 6 ) );

	}



	this.versionMajor = parseInt(this.versionMinor);

	this.geckoVersion = ( (this.isGecko) ? ua.substring( (ua.lastIndexOf('gecko/') + 6), (ua.lastIndexOf('gecko/') + 14) ) : -1 );



	// dom support

   this.isDOM1 = (document.getElementById);

	this.isDOM2Event = (document.addEventListener && document.removeEventListener);



   // css compatibility mode

   this.mode = document.compatMode ? document.compatMode : 'BackCompat';



	// platform

	this.isWin   = (ua.indexOf('win') != -1);

	this.isWin32 = (this.isWin && ( ua.indexOf('95') != -1 || ua.indexOf('98') != -1 || ua.indexOf('nt') != -1 || ua.indexOf('win32') != -1 || ua.indexOf('32bit') != -1 || ua.indexOf('xp') != -1) );

	this.isMac   = (ua.indexOf('mac') != -1);

	this.isUnix  = (ua.indexOf('unix') != -1 || ua.indexOf('linux') != -1 || ua.indexOf('sunos') != -1 || ua.indexOf('bsd') != -1 || ua.indexOf('x11') != -1)



	// specific browser shortcuts

	this.isNS4x = (this.isNS && this.versionMajor == 4);

	this.isNS40x = (this.isNS4x && this.versionMinor < 4.5);

	this.isNS47x = (this.isNS4x && this.versionMinor >= 4.7);

	this.isNS4up = (this.isNS && this.versionMinor >= 4);

	this.isNS6x = (this.isNS && this.versionMajor == 6);

	this.isNS6up = (this.isNS && this.versionMajor >= 6);

	this.isNS7x = (this.isNS && this.versionMajor == 7);

	this.isNS7up = (this.isNS && this.versionMajor >= 7);



	this.isIE4x = (this.isIE && this.versionMajor == 4);

	this.isIE4up = (this.isIE && this.versionMajor >= 4);

	this.isIE5x = (this.isIE && this.versionMajor == 5);

	this.isIE55 = (this.isIE && this.versionMinor == 5.5);

	this.isIE5up = (this.isIE && this.versionMajor >= 5);

	this.isIE6x = (this.isIE && this.versionMajor == 6);

	this.isIE6up = (this.isIE && this.versionMajor >= 6);



	this.isIE4xMac = (this.isIE4x && this.isMac);

}