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| Current File : //opt/cpanel/ea-php54/root/usr/share/pear/DB/NestedSet/CoolMenu.php |
<?php
//
// +----------------------------------------------------------------------+
// | PEAR :: DB_NestedSet_CoolMenu |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2003 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.0 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/2_02.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Authors: Andy Crain <apcrain@fuse.net> |
// +----------------------------------------------------------------------+
//
// $Id: CoolMenu.php 199215 2005-10-25 21:48:02Z datenpunk $
//
// {{{ DB_NestedSet_CoolMenu:: class
/**
* This class can be used to generate the data to build javascript popup menu
* from a DB_NestedSet node array.
* The Javascript part is done using the freely available CoolMenus
* available at http://www.dhtmlcentral.com/projects/coolmenus/.
* Currently version 4.0 is supported.
* Adapted largely from the DB_NestedSet_TigraMenu class by Daniel Khan.
*
* @author Andy Crain <apcrain@fuse.net>
* @package DB_NestedSet
* @access public
*/
// }}}
class DB_NestedSet_CoolMenu extends DB_NestedSet_Output {
// {{{{ properties
/**
* @var string The default/root name of the current menu.
* @access private
*/
var $_menuName = 'CMenu';
/**
* @var integer The depth of the current menu.
* @access private
*/
var $_levels = 1;
/**
* @var integer The level we started at
* @access private
*/
var $_levelOffset = false;
/**
* @var array The current menu structure
* @access private
*/
var $_structCoolMenu = false;
/**
* @var array The longest text for each level
* @access private
*/
var $_strlenByLevel = array();
// }}}
// {{{ DB_NestedSet_CoolMenu
/**
* Constructor
*
* @param array $params A hash with parameters needed by the class
* @see _createFromStructure()
* @return bool
**/
function &DB_NestedSet_CoolMenu($params) {
if(isset($params['menu_id'])) $this->_menuName .= $params['menu_id'];
$this->_structCoolMenu = $this->_createFromStructure($params);
return true;
}
// }}}
// {{{ _createFromStructure()
/**
* Creates the JavaScript array for CoolMenu
* Initially this method was introduced for the TreeMenu driver by Jason Rust
*
* o 'structure' => the result from $nestedSet->getAllNodes(true)
* o 'textField' => the field in the table that has the text for node
* o 'linkField' => the field in the table that has the link for the node
*
* @access private
* @return string The CoolMenu makeMenu() JS methods code.
*/
function &_createFromStructure($params,$parent=null)
{
// Basically we go through the array of nodes checking to see
// if each node has children and if so recursing. The reason this
// works is because the data from getAllNodes() is ordered by level
// so a root node will always be first, and sub children will always
// be after them.
static $rootlevel;
// variable init
$coolMenu = '';
// always start at level 1
if (!isset($params['currentLevel'])) {
$params['currentLevel'] = 1;
}
if (!isset($rootlevel)) {
$rootlevel = $params['currentLevel'];
}
if (isset($params['coolMenu'])) {
$coolMenu = $coolMenu.$params['coolMenu'];
}
if(!$this->_levelOffset) {
$this->_levelOffset = $params['currentLevel'];
}
if($this->_levels < ($params['currentLevel']- $this->_levelOffset)) {
$this->_levels = $params['currentLevel'] - $this->_levelOffset;
}
// have to use a while loop here because foreach works on a copy of the array and
// the child nodes are passed by reference during the recursion so that the parent
// will know when they have been hit.
reset($params['structure']);
while(list($key, $node) = each($params['structure'])) {
// see if we've already been here before
if (isset($node['hit']) || $node['level'] < $params['currentLevel']) {
continue;
}
// mark that we've hit this node
$params['structure'][$key]['hit'] = $node['hit'] = true;
// figure out max length for textfields, increase if necessary--NEEDED?
if (empty($this->_strlenByLevel[$params['currentLevel'] - $this->_levelOffset]) ||
strlen($node[$params['textField']]) > $this->_strlenByLevel[$params['currentLevel'] - $this->_levelOffset]) {
$this->_strlenByLevel[$params['currentLevel'] - $this->_levelOffset] = strlen($node[$params['textField']]);
};
if($node['rootid'] == $node['id']){
if ($node[$params['linkField']] == basename($_SERVER['PHP_SELF'])) {
$coolMenu = $coolMenu . $this->_menuName . ".makeMenu('item" . $node['id'] . "','','" . $node[$params['textField']] ."','" . $node[$params['linkField']] . "','','','','','','level0highlight_mouseout_style','level0highlight_mouseover_style')\n";
} else {
$coolMenu = $coolMenu . $this->_menuName . ".makeMenu('item" . $node['id'] . "','','" . $node[$params['textField']] ."','" . $node[$params['linkField']] . "')\n";
}
} else {
$coolMenu = $coolMenu . $this->_menuName . ".makeMenu('item" . $node['id'] . "','item" . $parent . "','" . $node[$params['textField']] . "','" . $node[$params['linkField']] . "')\n";
}
// see if it has children
if (($node['r'] - 1) != $node['l']) {
$children = array();
// harvest all the children
$tempStructure = $params['structure'];
foreach ($tempStructure as $childKey => $childNode) {
if (!isset($childNode['hit']) &&
$node['rootid'] == $childNode['rootid'] &&
$node['l'] < $childNode['l'] &&
$node['r'] > $childNode['r'] &&
$childNode['level'] > $params['currentLevel']) {
// important that we assign it by reference here, so that when the child
// marks itself 'hit' the parent loops will know
$children[] =& $params['structure'][$childKey];
}
}
$recurseParams = $params;
$recurseParams['structure'] = $children;
$recurseParams['currentLevel']++;
$coolMenu = $coolMenu.$this->_createFromStructure($recurseParams,$node['id']);
}
}
return $coolMenu;
}
// }}}
// {{{ _buildStyles()
/**
* Creates the JavaScript code which sets the styles for each level
*
* @access private
* @param array $options Array of menu style and structure parameters.
* @return string The CSS styles for the menu.
*/
function _buildStyles($options)
{
$styles = false;
//loop once for each level defined
foreach ($options['levels'] as $level_id => $level_array) {
$styles .= '/*Styles for level ' . $level_id . "*/\n";
foreach($level_array as $array_type => $values){
if($array_type == 'properties' && count($values)){
continue;
}
$styles .= '.level' . $level_id . $array_type . '{';
foreach($values as $att_key => $att_value){
$styles .= $att_key . ':' . $att_value . '; ';
}
$styles .= "}\n";
}
}
//this is required by CoolMenu--don't change!
$styles = "<style type='text/css'>\n/* CoolMenus 4 - default styles - do not edit */\n.clCMAbs{position:absolute; visibility:hidden; left:0; top:0}\n/* CoolMenus 4 - default styles - end */\n" . $styles;
//get background style too
$styles .= $this->_buildBackgroundStyle($options['menu']['background_style']);
$styles .= '</style>';
return $styles;
}
/**
* Creates the JavaScript code which sets the background style for the entire menu
*
* @access private
* @param array $options Array of menu style parameters, i.e. $options['menu']['background_style'].
* @return string The CSS style for the menu background.
*/
function _buildBackgroundStyle($properties)
{
$background_style = "/*Background style*/\n.backgroundStyle{";
foreach($properties as $prop_key => $prop_val){
$background_style .= $prop_key . ':' . $prop_val . '; ';
}
$background_style .= "}\n";
return $background_style;
}
/**
* Creates the JavaScript code which sets properties for each level defined.
*
* @access private
* @param array $options Array of menu style and structure parameters.
* @return string The JS defining each menu level, e.g. CMenu3.level[0].height=25...
*/
function _buildLevelProperties($options)
{
$level_properties = false;
//loop once for each level defined
foreach ($options['levels'] as $level_id => $level_array) {
$level_properties .= "\n/*Level " . $level_id . " properties*/\n" . $this->_menuName . ".level[$level_id]=new cm_makeLevel()\n";
if(count($level_array['mouseout_style'])){
$level_properties .= $this->_menuName . '.level[' . $level_id . '].regClass="level' . $level_id . 'mouseout_style"' . "\n";
}
if(count($level_array['mouseover_style'])){
$level_properties .= $this->_menuName . '.level[' . $level_id . '].overClass="level' . $level_id . 'mouseover_style"' . "\n";
}
if(count($level_array['border_style'])){
$level_properties .= $this->_menuName . '.level[' . $level_id . '].borderClass="level' . $level_id . 'border_style"' . "\n";
}
if(count($level_array['properties'])){
foreach($level_array['properties'] as $prop_key => $prop_val){
$level_properties .= $this->_menuName . ".level[$level_id].$prop_key=$prop_val\n";
}
}
}
return $level_properties;
}
/**
* Creates the JavaScript code which sets properties for each level defined.
*
* @access private
* @param array $options Array of menu structure parameters ($options['menu']['properties']).
* @return string The JS defining menu structure, e.g. CMenu3.zIndex=100...
*/
function _buildMenuProperties($properties)
{
// variable init
$menu_properties = '';
foreach($properties as $prop_key => $prop_val){
$menu_properties .= $this->_menuName . ".$prop_key=$prop_val\n";
}
$menu_properties .= $this->_menuName . ".barClass=\"backgroundStyle\"\n";
return "\n/*Menu properties*/\n$menu_properties\n";
}
// }}}
// {{{ printTree()
/**
* Print's the current tree using the output driver
*
* @access public
* @param void
* @return string The complete JS for the menu.
*/
function printTree()
{
if (!$options = $this->_getOptions('printTree')) {
return PEAR::raiseError("CoolMenu::printTree() needs options. See CoolMenu::setOptions()", NESEO_ERROR_NO_OPTIONS, PEAR_ERROR_TRIGGER, E_USER_ERROR);
}
echo $this->_buildStyles($options);
echo "\n\n<script>\n" . $this->_menuName . "=new makeCM(\"" . $this->_menuName . "\")\n";
echo $this->_buildMenuProperties($options['menu']['properties']);
echo $this->_buildLevelProperties($options);
echo "\n\n";
echo $this->_structCoolMenu;
echo "\n\n";
echo $this->_menuName . ".construct()\n</script>";
}
// }}}
}
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