acp_icons.php

这些都是我以前学习是用到的源码

<?php
/** 
*
* @package acp
* @version $Id: acp_icons.php,v 1.19 2006/10/14 14:56:43 acydburn Exp $
* @copyright (c) 2005 phpBB Group 
* @license http://opensource.org/licenses/gpl-license.php GNU Public License 
*
*/

/**
* @todo [smilies] check regular expressions for special char replacements (stored specialchared in db)
* @package acp
*/
class acp_icons
{
	var $u_action;

	function main($id, $mode)
	{
		global $db, $user, $auth, $template, $cache;
		global $config, $phpbb_root_path, $phpbb_admin_path, $phpEx;

		$user->add_lang('acp/posting');

		// Set up general vars
		$action = request_var('action', '');
		$action = (isset($_POST['add'])) ? 'add' : $action;
		$action = (isset($_POST['edit'])) ? 'edit' : $action;
		$action = (isset($_POST['import'])) ? 'import' : $action;
		$icon_id = request_var('id', 0);

		$this->tpl_name = 'acp_icons';

		// What are we working on?
		switch ($mode)
		{
			case 'smilies':
				$table = SMILIES_TABLE;
				$lang = 'SMILIES';
				$fields = 'smiley';
				$img_path = $config['smilies_path'];
			break;

			case 'icons':
				$table = ICONS_TABLE;
				$lang = 'ICONS';
				$fields = 'icons';
				$img_path = $config['icons_path'];
			break;
		}

		$this->page_title = 'ACP_' . $lang;

		// Clear some arrays
		$_images = $_paks = array();
		$notice = '';

		// Grab file list of paks and images
		if ($action == 'edit' || $action == 'add' || $action == 'import')
		{
			$imglist = filelist($phpbb_root_path . $img_path, '');

			foreach ($imglist as $path => $img_ary)
			{
				foreach ($img_ary as $img)
				{
					$img_size = @getimagesize($phpbb_root_path . $img_path . '/' . $path . $img);

					if (!$img_size[0] || !$img_size[1])
					{
						continue;
					}

					$_images[$path . $img]['file'] = $path . $img;
					$_images[$path . $img]['width'] = $img_size[0];
					$_images[$path . $img]['height'] = $img_size[1];
				}
			}
			unset($imglist);

			$dir = @opendir($phpbb_root_path . $img_path);
			while (($file = @readdir($dir)) !== false)
			{
				if (is_file($phpbb_root_path . $img_path . '/' . $file) && preg_match('#\.pak$#i', $file))
				{
					$_paks[] = $file;
				}
			}
			@closedir($dir);
		}

		// What shall we do today? Oops, I believe that's trademarked ...
		switch ($action)
		{
			case 'edit':
				unset($_images);
				$_images = array();

			// no break;

			case 'add':

				$order_list = '';

				$sql = "SELECT * 
					FROM $table 
					ORDER BY {$fields}_order " . (($icon_id || $action == 'add') ? 'DESC' : 'ASC');
				$result = $db->sql_query($sql);

				$data = array();
				while ($row = $db->sql_fetchrow($result))
				{
					if ($action == 'add')
					{
						unset($_images[$row[$fields . '_url']]);
					}

					if ($row[$fields . '_id'] == $icon_id)
					{
						$after = true;
						$data[$row[$fields . '_url']] = $row;
					}
					else
					{
						if ($action == 'edit' && !$icon_id)
						{
							$data[$row[$fields . '_url']] = $row;
						}

						$selected = '';
						if (!empty($after))
						{
							$selected = ' selected="selected"';
							$after = false;
						}

						$after_txt = ($mode == 'smilies') ? $row['code'] : $row['icons_url'];
						$order_list = '<option value="' . ($row[$fields . '_order'] + 1) . '"' . $selected . '>' . sprintf($user->lang['AFTER_' . $lang], ' -&gt; ' . htmlspecialchars($after_txt)) . '</option>' . $order_list;
					}
				}
				$db->sql_freeresult($result);

				$order_list = '<option value="1"' . ((!isset($after)) ? ' selected="selected"' : '') . '>' . $user->lang['FIRST'] . '</option>' . $order_list;

				if ($action == 'add')
				{
					$data = $_images;
				}

				$colspan = (($mode == 'smilies') ? '7' : '5');
				$colspan += ($icon_id) ? 1 : 0;
				$colspan += ($action == 'add') ? 2 : 0;

				$template->assign_vars(array(
					'S_EDIT'		=> true,
					'S_SMILIES'		=> ($mode == 'smilies') ? true : false,
					'S_ADD'			=> ($action == 'add') ? true : false,
					'S_ORDER_LIST'	=> $order_list,

					'L_TITLE'		=> $user->lang['ACP_' . $lang],
					'L_EXPLAIN'		=> $user->lang['ACP_' . $lang . '_EXPLAIN'],
					'L_CONFIG'		=> $user->lang[$lang . '_CONFIG'],
					'L_URL'			=> $user->lang[$lang . '_URL'],
					'L_LOCATION'	=> $user->lang[$lang . '_LOCATION'],
					'L_WIDTH'		=> $user->lang[$lang . '_WIDTH'],
					'L_HEIGHT'		=> $user->lang[$lang . '_HEIGHT'],
					'L_ORDER'		=> $user->lang[$lang . '_ORDER'],

					'COLSPAN'		=> $colspan,
					'ID'			=> $icon_id,

					'U_BACK'		=> $this->u_action,
					'U_ACTION'		=> $this->u_action . '&amp;action=' . (($action == 'add') ? 'create' : 'modify'),
					)
				);

				foreach ($data as $img => $img_row)
				{
					$template->assign_block_vars('items', array(
						'IMG'		=> $img,
						'IMG_SRC'	=> $phpbb_root_path . $img_path . '/' . $img,

						'CODE'		=> ($mode == 'smilies' && isset($img_row['code'])) ? $img_row['code'] : '',
						'EMOTION'	=> ($mode == 'smilies' && isset($img_row['emotion'])) ? $img_row['emotion'] : '',

						'S_ID'				=> (isset($img_row[$fields . '_id'])) ? true : false,
						'ID'				=> (isset($img_row[$fields . '_id'])) ? $img_row[$fields . '_id'] : 0,
						'WIDTH'				=> (!empty($img_row[$fields .'_width'])) ? $img_row[$fields .'_width'] : $img_row['width'],
						'HEIGHT'			=> (!empty($img_row[$fields .'_height'])) ? $img_row[$fields .'_height'] : $img_row['height'],
						'POSTING_CHECKED'	=> (!empty($img_row['display_on_posting']) || $action == 'add') ? ' checked="checked"' : '')
					);
				}

				return;
	
			break;

			case 'create':
			case 'modify':

				// Get items to create/modify
				$images = (isset($_POST['image'])) ? array_keys(request_var('image', array('' => 0))) : array();
				
				// Now really get the items
				$image_id		= (isset($_POST['id'])) ? array_map('intval', $_POST['id']) : array();
				$image_order	= (isset($_POST['order'])) ? array_map('intval', $_POST['order']) : array();
				$image_width	= (isset($_POST['width'])) ? array_map('intval', $_POST['width']) : array();
				$image_height	= (isset($_POST['height'])) ? array_map('intval', $_POST['height']) : array();
				$image_add		= (isset($_POST['add_img'])) ? array_map('intval', $_POST['add_img']) : array();
				$image_emotion	= request_var('emotion', array('' => ''));
				$image_code		= request_var('code', array('' => ''));
				$image_display_on_posting = (isset($_POST['display_on_posting'])) ? array_map('intval', $_POST['display_on_posting']) : array();

				foreach ($images as $image)
				{
					if (($mode == 'smilies' && ($image_emotion[$image] == '' || $image_code[$image] == '')) ||
						($action == 'create' && !isset($image_add[$image])))
					{
					}
					else
					{
						if ($image_width[$image] == 0 || $image_height[$image] == 0)
						{
							$img_size = @getimagesize($phpbb_root_path . $img_path . '/' . $image);
							$image_width[$image] = $img_size[0];
							$image_height[$image] = $img_size[1];
						}

						$img_sql = array(
							$fields . '_url'		=> $image,
							$fields . '_width'		=> $image_width[$image],
							$fields . '_height'		=> $image_height[$image],
							'display_on_posting'	=> (isset($image_display_on_posting[$image])) ? 1 : 0,
						);

						if ($mode == 'smilies')
						{
							$img_sql = array_merge($img_sql, array(
								'emotion'	=> $image_emotion[$image],
								'code'		=> $image_code[$image])
							);
						}

						// Image_order holds the 'new' order value
						if (!empty($image_order[$image]))
						{
							$img_sql = array_merge($img_sql, array(
								$fields . '_order'	=>	$image_order[$image])
							);

							// Since we always add 'after' an item, we just need to increase all following + the current by one
							$sql = "UPDATE $table
								SET {$fields}_order = {$fields}_order + 1
								WHERE {$fields}_order >= {$image_order[$image]}";
							$db->sql_query($sql);

							// If we adjust the order, we need to adjust all other orders too - they became inaccurate...
							foreach ($image_order as $_image => $_order)
							{
								if ($_image == $image)
								{
									continue;
								}

								if ($_order >= $image_order[$image])
								{
									$image_order[$_image]++;
								}
							}
						}

						if ($action == 'modify')
						{
							$sql = "UPDATE $table
								SET " . $db->sql_build_array('UPDATE', $img_sql) . " 
								WHERE {$fields}_id = " . $image_id[$image];
							$db->sql_query($sql);
						}
						else
						{
							$sql = "INSERT INTO $table " . $db->sql_build_array('INSERT', $img_sql);
							$db->sql_query($sql);
						}
					}
				}
				
				$cache->destroy('icons');
				$cache->destroy('sql', $table);

				if ($action == 'modify')
				{
					trigger_error($user->lang[$lang . '_EDITED'] . adm_back_link($this->u_action));
				}
				else
				{
					trigger_error($user->lang[$lang . '_ADDED'] . adm_back_link($this->u_action));
				}

			break;

			case 'import':

				$pak = request_var('pak', '');
				$current = request_var('current', '');

				if ($pak != '')
				{
					$order = 0;

					// The user has already selected a smilies_pak file
					if ($current == 'delete')
					{
						$db->sql_query((($db->sql_layer != 'sqlite') ? 'TRUNCATE TABLE ' : 'DELETE FROM ') . $table);

						switch ($mode)
						{
							case 'smilies':
							break;

							case 'icons':
								// Reset all icon_ids
								$db->sql_query('UPDATE ' . TOPICS_TABLE . ' SET icon_id = 0');
								$db->sql_query('UPDATE ' . POSTS_TABLE . ' SET icon_id = 0');
							break;
						}
					}
					else 
					{
						$cur_img = array();

						$field_sql = ($mode == 'smilies') ? 'code' : 'icons_url';