/**
* This file is part of the easy-CMS project.
* easy-CMS 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.
* 
* easy-CMS 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.
* 
* You should have received a copy of the GNU General Public License
* along with easy-CMS; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

/**
* This file contains scripts used by the easy-CMS user-interface.
*
*/

/*
function openWindow(url, width, height, options) {
  var top  = (screen.height-height)/2;
  var left = (screen.width-width)/2;
  window.open(url,'','top='+top+',left='+left+',width='+width+',height='+height+','+options);
}
*/


var selectedContentId;
var selectedContentTypeName;
var selectedContentContainerId;
var selectedContainerId;
var selectedContainerCloneId;
var selectedContainerTypeName;
var selectedContainerContainersListId;
var selectedMenuId;
var selectedContainersListId;
var selectedPageId;
var selectedNodeId;
var selectedNodeParentId;
var selectedNodeMenuId;
var selectedNodePageId;


function selectContent(contentId, typeName, containerId) {
	selectedContentId = contentId;
	selectedContentTypeName = typeName;
	selectedContentContainerId = containerId;
}

function selectContainer(containerId, cloneId, typeName, containersListId) {
	selectedContainerId = containerId;
	selectedContainerCloneId = cloneId;
	selectedContainerTypeName = typeName;
	selectedContainerContainersListId = containersListId;
}

function selectContainersList(containersListId) {
	selectedContainersListId = containersListId;
}

function selectPage(pageId) {
	selectedPageId = pageId;
}

function selectNode(menuId, menuNodeId, parentNodeId, pageId) {
	selectedNodeId = menuNodeId;
	selectedNodeParentId = parentNodeId;
	selectedNodeMenuId = menuId;
	selectedNodePageId = pageId;
}


function contentMenuMoveDownOption() {
	window.location.href = 'index.php?display=edit_container&action=move_content_down&container_id='+selectedContentContainerId+'&content_id='+selectedContentId;
}

function contentMenuMoveUpOption() {
	window.location.href = 'index.php?display=edit_container&action=move_content_up&container_id='+selectedContentContainerId+'&content_id='+selectedContentId;
}

function contentMenuRemoveOption() {
	launchContentDeletionWindow('container_id='+selectedContentContainerId+'&content_id='+selectedContentId+'&type_name='+selectedContentTypeName);
}

function contentMenuEditOption() {
	launchContentEditionWindow('container_id='+selectedContentContainerId+'&content_id='+selectedContentId+'&type_name='+selectedContentTypeName);
}


function containerMenuAddOption() {
	launchContentEditionWindow('container_id='+selectedContainerCloneId+'&content_id=0&type_name='+selectedContainerTypeName);
}

function containerMenuMoveDownOption() {
	window.location.href = 'index.php?display=edit_containers_list&action=move_container_down&container_id='+selectedContainerId+'&containers_list_id='+selectedContainerContainersListId;
}

function containerMenuMoveUpOption() {
	window.location.href = 'index.php?display=edit_containers_list&action=move_container_up&container_id='+selectedContainerId+'&containers_list_id='+selectedContainerContainersListId;
}

function containerMenuRemoveOption() {
	launchContainerDeletionWindow('container_id='+selectedContainerId);
}

function containerMenuEditOption() {
	launchContainerEditionWindow('container_id='+selectedContainerId);
}


function containersListMenuAddGalleryOption() {
	launchContainerEditionWindow('containers_list_id='+selectedContainersListId+'&container_id=0&container_type=1');
}

function containersListMenuAddOption() {
	launchContainerEditionWindow('containers_list_id='+selectedContainersListId+'&container_id=0');
}

function containersListMenuEditOption() {
	launchContainersListEditionWindow('containers_list_id='+selectedContainersListId);
}


function pageMenuAddOption() {
	launchPageEditionWindow('parent_id='+selectedPageId);
}

function pageMenuRemoveOption() {
	launchPageDeletionWindow('page_id='+selectedPageId);
}

function pageMenuEditOption() {
	launchPageEditionWindow('page_id='+selectedPageId);
}


function nodeMenuAddOption() {
	launchPageEditionWindow('parent_id='+selectedNodePageId);
}

function nodeMenuMoveDownOption() {
	window.location.href = 'index.php?display=edit_menu&action=move_page_down&menu_id='+selectedNodeMenuId+'&parent_id='+selectedNodeParentId+'&node_id='+selectedNodeId;
}

function nodeMenuMoveUpOption() {
	window.location.href = 'index.php?display=edit_menu&action=move_page_up&menu_id='+selectedNodeMenuId+'&parent_id='+selectedNodeParentId+'&node_id='+selectedNodeId;
}

function nodeMenuRemoveOption() {
	launchPageDeletionWindow('page_id='+selectedNodePageId);
}

function nodeMenuEditOption() {
	launchPageEditionWindow('page_id='+selectedNodePageId);
}







function launchUserEditionWindow(vars) {
  openWindow('index.php?'+'display=edit_user&mode=ask_modif_user&'+vars,540, 600, 0, 0);
}

function launchPageEditionWindow(vars) {
  openWindow('index.php?'+'display=edit_page&mode=ask_modif_page&'+vars,540, 600, 0, 0);
}

function launchPageDeletionWindow(vars) {
  openWindow('index.php?'+'display=edit_page&mode=ask_delete_page&'+vars,380, 280, 0, 0);
}

function launchContainersListEditionWindow(vars) {
  openWindow('index.php?'+'display=edit_containers_list&mode=ask_modif_containers_list&'+vars,540, 600, 0, 0);
}

function launchMenuEditionWindow(vars) {
  openWindow('index.php?'+'display=edit_menu&mode=ask_modif_menu&'+vars,540, 600, 0, 0);
}

function launchContainerEditionWindow(vars) {
  openWindow('index.php?'+'display=edit_container&mode=ask_modif_container&'+vars,540, 600, 0, 0);
}

function launchContainerDeletionWindow(vars) {
  openWindow('index.php?'+'display=edit_container&mode=ask_delete_container&'+vars,380, 280, 0, 0);
}

function launchVersionEditionWindow(vars) {
  openWindow('index.php?'+'display=edit_version&mode=ask_modif_content&'+vars,540, 600, 0, 0);
}

function launchContentEditionWindow(vars) {
  openWindow('index.php?'+'display=edit_content&mode=ask_modif_content&'+vars,540, 600, 0, 0);
}

function launchContentDeletionWindow(vars) {
  openWindow('index.php?'+'display=edit_content&mode=ask_delete_content&'+vars,380, 280, 0, 0);
}

function launchLogonWindow() {
  openWindow('logon.php?'+'mode=ask_logon',250, 200, 0, 0);
}

function launchChooseFileWindow(vars) {
  openWindow('choose_file.php?'+'mode=ask_choose_file&'+vars,400, 420, 0, 0);
}

function launchRenameFileWindow(vars) {
  openWindow('rename_file.php?'+'mode=ask_rename_file&'+vars,300, 200, 0, 0);
}

function launchDeleteFileWindow(vars) {
  openWindow('delete_node.php?'+'mode=ask_delete_file&'+vars,300, 150, 0, 0);
}

function launchChoosePageWindow(vars) {
  openWindow('choose_page.php?'+'mode=ask_choose_page&'+vars,250, 300, 0, 0);
}

function launchCreateNodeWindow(vars) {
  openWindow('create_node.php?'+'mode=ask_create&'+vars,300, 150, 0, 0);
}


/**
* JavaScript implementation of the Message Digest Algorithm,
* as defined in RFC 1321.
* Version 2.1 Copyright (C) Paul Johnston 1999 - 2002.
* Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
* Distributed under the BSD License
*/

/**
* Configurable variables. You may need to tweak these to be compatible with
* the server-side, but the defaults work in most cases.
*/
var hexcase = 0;  /* hex output format. 0 - lowercase; 1 - uppercase        */
var b64pad  = ""; /* base-64 pad character. "=" for strict RFC compliance   */
var chrsz   = 8;  /* bits per input character. 8 - ASCII; 16 - Unicode      */


/*
 * These are the functions you'll usually want to call
 * They take string arguments and return either hex or base-64 encoded strings
 */
function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}
function b64_md5(s){ return binl2b64(core_md5(str2binl(s), s.length * chrsz));}
function str_md5(s){ return binl2str(core_md5(str2binl(s), s.length * chrsz));}
function hex_hmac_md5(key, data) { return binl2hex(core_hmac_md5(key, data)); }
function b64_hmac_md5(key, data) { return binl2b64(core_hmac_md5(key, data)); }
function str_hmac_md5(key, data) { return binl2str(core_hmac_md5(key, data)); }

/*
 * Calculate the MD5 of an array of little-endian words, and a bit length
 */
function core_md5(x, len)
{
  /* append padding */
  x[len >> 5] |= 0x80 << ((len) % 32);
  x[(((len + 64) >>> 9) << 4) + 14] = len;

  var a =  1732584193;
  var b = -271733879;
  var c = -1732584194;
  var d =  271733878;

  for(var i = 0; i < x.length; i += 16)
  {
    var olda = a;
    var oldb = b;
    var oldc = c;
    var oldd = d;

    a = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
    d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
    c = md5_ff(c, d, a, b, x[i+ 2], 17,  606105819);
    b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
    a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
    d = md5_ff(d, a, b, c, x[i+ 5], 12,  1200080426);
    c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
    b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
    a = md5_ff(a, b, c, d, x[i+ 8], 7 ,  1770035416);
    d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
    c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
    b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
    a = md5_ff(a, b, c, d, x[i+12], 7 ,  1804603682);
    d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
    c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
    b = md5_ff(b, c, d, a, x[i+15], 22,  1236535329);

    a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
    d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
    c = md5_gg(c, d, a, b, x[i+11], 14,  643717713);
    b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
    a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
    d = md5_gg(d, a, b, c, x[i+10], 9 ,  38016083);
    c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
    b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
    a = md5_gg(a, b, c, d, x[i+ 9], 5 ,  568446438);
    d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
    c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
    b = md5_gg(b, c, d, a, x[i+ 8], 20,  1163531501);
    a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
    d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
    c = md5_gg(c, d, a, b, x[i+ 7], 14,  1735328473);
    b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);

    a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
    d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
    c = md5_hh(c, d, a, b, x[i+11], 16,  1839030562);
    b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
    a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
    d = md5_hh(d, a, b, c, x[i+ 4], 11,  1272893353);
    c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
    b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
    a = md5_hh(a, b, c, d, x[i+13], 4 ,  681279174);
    d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
    c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
    b = md5_hh(b, c, d, a, x[i+ 6], 23,  76029189);
    a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
    d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
    c = md5_hh(c, d, a, b, x[i+15], 16,  530742520);
    b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);

    a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
    d = md5_ii(d, a, b, c, x[i+ 7], 10,  1126891415);
    c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
    b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
    a = md5_ii(a, b, c, d, x[i+12], 6 ,  1700485571);
    d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
    c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
    b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
    a = md5_ii(a, b, c, d, x[i+ 8], 6 ,  1873313359);
    d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
    c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
    b = md5_ii(b, c, d, a, x[i+13], 21,  1309151649);
    a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
    d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
    c = md5_ii(c, d, a, b, x[i+ 2], 15,  718787259);
    b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);

    a = safe_add(a, olda);
    b = safe_add(b, oldb);
    c = safe_add(c, oldc);
    d = safe_add(d, oldd);
  }
  return Array(a, b, c, d);
}

/*
 * These functions implement the four basic operations the algorithm uses.
 */
function md5_cmn(q, a, b, x, s, t)
{
  return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
}
function md5_ff(a, b, c, d, x, s, t)
{
  return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
}
function md5_gg(a, b, c, d, x, s, t)
{
  return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
}
function md5_hh(a, b, c, d, x, s, t)
{
  return md5_cmn(b ^ c ^ d, a, b, x, s, t);
}
function md5_ii(a, b, c, d, x, s, t)
{
  return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
}

/*
 * Calculate the HMAC-MD5, of a key and some data
 */
function core_hmac_md5(key, data)
{
  var bkey = str2binl(key);
  if(bkey.length > 16) bkey = core_md5(bkey, key.length * chrsz);

  var ipad = Array(16), opad = Array(16);
  for(var i = 0; i < 16; i++)
  {
    ipad[i] = bkey[i] ^ 0x36363636;
    opad[i] = bkey[i] ^ 0x5C5C5C5C;
  }

  var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * chrsz);
  return core_md5(opad.concat(hash), 512 + 128);
}

/*
 * Add integers, wrapping at 2^32. This uses 16-bit operations internally
 * to work around bugs in some JS interpreters.
 */
function safe_add(x, y)
{
  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
  return (msw << 16) | (lsw & 0xFFFF);
}

/*
 * Bitwise rotate a 32-bit number to the left.
 */
function bit_rol(num, cnt)
{
  return (num << cnt) | (num >>> (32 - cnt));
}

/*
 * Convert a string to an array of little-endian words
 * If chrsz is ASCII, characters >255 have their hi-byte silently ignored.
 */
function str2binl(str)
{
  var bin = Array();
  var mask = (1 << chrsz) - 1;
  for(var i = 0; i < str.length * chrsz; i += chrsz)
    bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32);
  return bin;
}

/*
 * Convert an array of little-endian words to a string
 */
function binl2str(bin)
{
  var str = "";
  var mask = (1 << chrsz) - 1;
  for(var i = 0; i < bin.length * 32; i += chrsz)
    str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask);
  return str;
}

/*
 * Convert an array of little-endian words to a hex string.
 */
function binl2hex(binarray)
{
  var hex_tab = hexcase ? "0123456789ABCDEF" : "0123456789abcdef";
  var str = "";
  for(var i = 0; i < binarray.length * 4; i++)
  {
    str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +
           hex_tab.charAt((binarray[i>>2] >> ((i%4)*8  )) & 0xF);
  }
  return str;
}

/*
 * Convert an array of little-endian words to a base-64 string
 */
function binl2b64(binarray)
{
  var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
  var str = "";
  for(var i = 0; i < binarray.length * 4; i += 3)
  {
    var triplet = (((binarray[i   >> 2] >> 8 * ( i   %4)) & 0xFF) << 16)
                | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 )
                |  ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF);
    for(var j = 0; j < 4; j++)
    {
      if(i * 8 + j * 6 > binarray.length * 32) str += b64pad;
      else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
    }
  }
  return str;
}