Joomla!-开源天空

<?xml version="1.0" encoding="utf-8"?>
 <!DOCTYPE install PUBLIC 
  "-//Joomla! 1.5//DTD plugin 1.0//EN" "http://dev.joomla.org/xml/1.5/plugin-install.dtd">

<install version="1.5" type="plugin" group="search">

<name>Name of your search plugin</name>
<creationDate>Creation date</creationDate>
<author>Your name</author>
<authorEmail>Your e-mail address</authorEmail>
<authorUrl>Your website</authorUrl>
<copyright>Copyright information</copyright>
<license>License, for example GNU/GPL</license>
<version>Version of the plugin</version>
<description>Description of the plugin; showed during installation and when editing 
the plugin in the Plugin Manager</description>

<files>
   <filename plugin="nameofplugin">nameofplugin.php</filename>
</files>

<languages>
   <language tag="en-GB">language/en-GB/en-GB.plg_search_nameofplugin.ini</language>
</languages>

<params>
   <param name="paramname" type="typeofparameter" default="defaultsetting" label="title" description="description"/>
</params>

</install>

<?php
//First start with information about the Plugin and yourself. For example:
/**
 * @version		$Id: nameofplugin.php versionnumber date author
 * @copyright	        Copyright
 * @license		License, for example GNU/GPL
 * All other information you would like to add
 */
 
//To prevent accessing the document directly, enter this code:
// no direct access
defined( '_JEXEC' ) or die( 'Restricted access' );
 
//Now define the registerEvent and the language file. Replace 'nameofplugin' with the name of your plugin.
$mainframe->registerEvent( 'onSearch', 'plgSearchnameofplugin' );
$mainframe->registerEvent( 'onSearchAreas', 'plgSearchnameofpluginAreas' );
 
JPlugin::loadLanguage( 'plg_search_nameofplugin' );
 
//Then define a function to return an array of search areas. Replace 'nameofplugin' with the name of your plugin.
function &plgSearchnameofpluginAreas()
{
	static $areas = array(
		'nameofplugin' => 'Nameofplugin'
	);
	return $areas;
}
 
//Then the real function has to be created. The database connection should be made. 
//The function will be closed with an } at the end of the file.
function plgSearchnameofplugin( $text, $phrase='', $ordering='', $areas=null )
{
	$db		=& JFactory::getDBO();
	$user	=& JFactory::getUser(); 
 
//If the array is not correct, return it:
	if (is_array( $areas )) {
		if (!array_intersect( $areas, array_keys( plgSearchnameofpluginAreas() ) )) {
			return array();
		}
	}
 
//It is time to define the parameters! First get the right plugin; 'search' (the group), 'nameofplugin'. 
$plugin =& JPluginHelper::getPlugin('search', 'nameofplugin');
 
//Then load the parameters of the plugin..
$pluginParams = new JParameter( $plugin->params );
 
//And define the parameters. For example like this..
$limit = $pluginParams->def( 'nameofparameter', defaultsetting );
 
//Use the function trim to delete spaces in front of or at the back of the searching terms
$text = trim( $text );
 
//Return Array when nothing was filled in
if ($text == '') {
		return array();
	}
 
//After this, you have to add the database part. This will be the most difficult part, because this changes per situation.
//In the coding examples later on you will find some of the examples used by Joomla! 1.5 core Search Plugins.
//It will look something like this.
	$wheres = array();
	switch ($phrase) {
 
//search exact
		case 'exact':
			$text		= $db->Quote( '%'.$db->getEscaped( $text, true ).'%', false );
			$wheres2 	= array();
			$wheres2[] 	= 'LOWER(a.name) LIKE '.$text;
			$where 		= '(' . implode( ') OR (', $wheres2 ) . ')';
			break;
 
//search all or any
		case 'all':
		case 'any':
 
//set default
		default:
			$words 	= explode( ' ', $text );
			$wheres = array();
			foreach ($words as $word)
			{
				$word		= $db->Quote( '%'.$db->getEscaped( $word, true ).'%', false );
				$wheres2 	= array();
				$wheres2[] 	= 'LOWER(a.name) LIKE '.$word;
				$wheres[] 	= implode( ' OR ', $wheres2 );
			}
			$where = '(' . implode( ($phrase == 'all' ? ') AND (' : ') OR ('), $wheres ) . ')';
			break;
	}
 
//ordering of the results
	switch ( $ordering ) {
 
//alphabetic, ascending
		case 'alpha':
			$order = 'a.name ASC';
			break;
 
//oldest first
		case 'oldest':
 
//popular first
		case 'popular':
 
//newest first
		case 'newest':
 
//default setting: alphabetic, ascending
		default:
			$order = 'a.name ASC';
	}
 
//replace nameofplugin
	$searchnameofplugin = JText::_( 'Nameofplugin' );
 
//the database query; differs per situation! It will look something like this:
	$query = 'SELECT a.name AS title'
	. ' CONCAT_WS( " / ", '. $db->Quote($searchNameofplugin) .', b.title )AS section,'
	. ' "1" AS browsernav'
	. ' FROM #__nameofplugin AS a'
	. ' INNER JOIN #__categories AS b ON b.id = a.catid'
	. ' WHERE ( '. $where .' )'
	. ' AND a.published = 1'
	. ' AND b.access <= '. (int) $user->get( 'aid' )
	. ' ORDER BY '. $order
	;
 
//Set query
	$db->setQuery( $query, 0, $limit );
	$rows = $db->loadObjectList();
 
//The 'output' of the displayed link
	foreach($rows as $key => $row) {
		$rows[$key]->href = 'index.php?option=com_newsfeeds&view=newsfeed&catid='.$row->catslug.'&id='.$row->slug;
	}
 
//Return the search results in an array
return $rows;
}

# $Id: en-GB.plg_search_nameofplugin.ini
# Joomla! Project
# Copyright (C) 2005 - 2007 Open Source Matters. All rights reserved.
# License http://www.gnu.org/licenses/gpl-2.0.html GNU/GPL, see LICENSE.php
# Note : All ini files need to be saved as UTF-8 - No BOM

<param name="search_limit" type="text" size="5" default="50" label="Search Limit" 
description="Number of Search items to return"/>

SEARCH LIMIT=Search Limit
NUMBER OF SEARCH ITEMS TO RETURN=Number of Search items to return

SEARCH LIMIT=Zoek limiet
NUMBER OF SEARCH ITEMS TO RETURN=Aantal weer te geven zoekresultaten