ucp_pm_compose.php

这些都是我以前学习是用到的源码

	{
		// Do not change to SELECT *
		$sql = 'SELECT attach_id, is_orphan, attach_comment, real_filename
			FROM ' . ATTACHMENTS_TABLE . "
			WHERE post_msg_id = $msg_id
				AND in_message = 1
				AND is_orphan = 0
			ORDER BY filetime DESC";
		$result = $db->sql_query($sql);
		$message_parser->attachment_data = array_merge($message_parser->attachment_data, $db->sql_fetchrowset($result));
		$db->sql_freeresult($result);
	}

	if (!in_array($action, array('quote', 'edit', 'delete', 'forward')))
	{
		$enable_sig		= ($config['allow_sig'] && $auth->acl_get('u_sig') && $user->optionget('attachsig'));
		$enable_smilies	= ($config['allow_smilies'] && $auth->acl_get('u_pm_smilies') && $user->optionget('smilies'));
		$enable_bbcode	= ($config['allow_bbcode'] && $auth->acl_get('u_pm_bbcode') && $user->optionget('bbcode'));
		$enable_urls	= true;
	}

	$enable_magic_url = $drafts = false;

	// User own some drafts?
	if ($auth->acl_get('u_savedrafts') && $action != 'delete')
	{
		$sql = 'SELECT draft_id
			FROM ' . DRAFTS_TABLE . '
			WHERE forum_id = 0
				AND topic_id = 0
				AND user_id = ' . $user->data['user_id'] .
				(($draft_id) ? " AND draft_id <> $draft_id" : '');
		$result = $db->sql_query_limit($sql, 1);
		$row = $db->sql_fetchrow($result);
		$db->sql_freeresult($result);

		if ($row)
		{
			$drafts = true;
		}
	}

	if ($action == 'edit')
	{
		$message_parser->bbcode_uid = $bbcode_uid;
	}

	$bbcode_status	= ($config['allow_bbcode'] && $config['auth_bbcode_pm'] && $auth->acl_get('u_pm_bbcode')) ? true : false;
	$smilies_status	= ($config['allow_smilies'] && $config['auth_smilies_pm'] && $auth->acl_get('u_pm_smilies')) ? true : false;
	$img_status		= ($config['auth_img_pm'] && $auth->acl_get('u_pm_img')) ? true : false;
	$flash_status	= ($config['auth_flash_pm'] && $auth->acl_get('u_pm_flash')) ? true : false;
	$url_status		= ($config['allow_post_links']) ? true : false;

	// Save Draft
	if ($save && $auth->acl_get('u_savedrafts'))
	{
		$subject = utf8_normalize_nfc(request_var('subject', '', true));
		$subject = (!$subject && $action != 'post') ? $user->lang['NEW_MESSAGE'] : $subject;
		$message = utf8_normalize_nfc(request_var('message', '', true));
		
		if ($subject && $message)
		{
			if (confirm_box(true))
			{
				$sql = 'INSERT INTO ' . DRAFTS_TABLE . ' ' . $db->sql_build_array('INSERT', array(
					'user_id'		=> $user->data['user_id'],
					'topic_id'		=> 0,
					'forum_id'		=> 0,
					'save_time'		=> $current_time,
					'draft_subject'	=> $subject,
					'draft_message'	=> $message)
				);
				$db->sql_query($sql);

				$redirect_url = append_sid("{$phpbb_root_path}ucp.$phpEx", "i=pm&amp;mode=$mode");

				meta_refresh(3, $redirect_url);
				$message = $user->lang['DRAFT_SAVED'] . '<br /><br />' . sprintf($user->lang['RETURN_UCP'], '<a href="' . $redirect_url . '">', '</a>');

				trigger_error($message);
			}
			else
			{
				$s_hidden_fields = build_hidden_fields(array(
					'mode'		=> $mode,
					'action'	=> $action,
					'save'		=> true,
					'subject'	=> $subject,
					'message'	=> $message,
					'u'			=> $to_user_id,
					'g'			=> $to_group_id,
					'p'			=> $msg_id)
				);

				confirm_box(false, 'SAVE_DRAFT', $s_hidden_fields);
			}
		}

		unset($subject, $message);
	}

	// Load Draft
	if ($draft_id && $auth->acl_get('u_savedrafts'))
	{
		$sql = 'SELECT draft_subject, draft_message
			FROM ' . DRAFTS_TABLE . "
			WHERE draft_id = $draft_id
				AND topic_id = 0
				AND forum_id = 0
				AND user_id = " . $user->data['user_id'];
		$result = $db->sql_query_limit($sql, 1);

		if ($row = $db->sql_fetchrow($result))
		{
			$message_parser->message = $row['draft_message'];
			$message_subject = $row['draft_subject'];

			$template->assign_var('S_DRAFT_LOADED', true);
		}
		else
		{
			$draft_id = 0;
		}
		$db->sql_freeresult($result);
	}

	// Load Drafts
	if ($load && $drafts)
	{
		load_drafts(0, 0, $id);
	}

	if ($submit || $preview || $refresh)
	{
		$subject = utf8_normalize_nfc(request_var('subject', '', true));
		$message_parser->message = utf8_normalize_nfc(request_var('message', '', true));
		
		$icon_id			= request_var('icon', 0);

		$enable_bbcode 		= (!$bbcode_status || isset($_POST['disable_bbcode'])) ? false : true;
		$enable_smilies		= (!$smilies_status || isset($_POST['disable_smilies'])) ? false : true;
		$enable_urls 		= (isset($_POST['disable_magic_url'])) ? 0 : 1;
		$enable_sig			= (!$config['allow_sig']) ? false : ((isset($_POST['attach_sig'])) ? true : false);

		if ($submit)
		{
			$status_switch	= (($enable_bbcode+1) << 8) + (($enable_smilies+1) << 4) + (($enable_urls+1) << 2) + (($enable_sig+1) << 1);
			$status_switch = ($status_switch != $check_value);
		}
		else
		{
			$status_switch = 1;
		}

		// Parse Attachments - before checksum is calculated
		$message_parser->parse_attachments('fileupload', $action, 0, $submit, $preview, $refresh, true);

		// Parse message
		$message_parser->parse($enable_bbcode, ($config['allow_post_links']) ? $enable_urls : false, $enable_smilies, $img_status, $flash_status, true, $config['allow_sig_links']);

		if ($action != 'edit' && !$preview && !$refresh && $config['flood_interval'] && !$auth->acl_get('u_ignoreflood'))
		{
			// Flood check
			$last_post_time = $user->data['user_lastpost_time'];

			if ($last_post_time)
			{
				if ($last_post_time && ($current_time - $last_post_time) < intval($config['flood_interval']))
				{
					$error[] = $user->lang['FLOOD_ERROR'];
				}
			}
		}

		// Subject defined
		if (!$subject && !($remove_u || $remove_g || $add_to || $add_bcc))
		{
			$error[] = $user->lang['EMPTY_SUBJECT'];
		}

		if (!sizeof($address_list))
		{
			$error[] = $user->lang['NO_RECIPIENT'];
		}

		if (sizeof($message_parser->warn_msg) && !($remove_u || $remove_g || $add_to || $add_bcc))
		{
			$error[] = implode('<br />', $message_parser->warn_msg);
		}

		// Store message, sync counters
		if (!sizeof($error) && $submit)
		{
			$pm_data = array(
				'msg_id'				=> (int) $msg_id,
				'from_user_id'			=> $user->data['user_id'],
				'from_user_ip'			=> $user->data['user_ip'],
				'from_username'			=> $user->data['username'],
				'reply_from_root_level'	=> (isset($root_level)) ? (int) $root_level : 0,
				'reply_from_msg_id'		=> (int) $msg_id,
				'icon_id'				=> (int) $icon_id,
				'enable_sig'			=> (bool) $enable_sig,
				'enable_bbcode'			=> (bool) $enable_bbcode,
				'enable_smilies'		=> (bool) $enable_smilies,
				'enable_urls'			=> (bool) $enable_urls,
				'bbcode_bitfield'		=> $message_parser->bbcode_bitfield,
				'bbcode_uid'			=> $message_parser->bbcode_uid,
				'message'				=> $message_parser->message,
				'attachment_data'		=> $message_parser->attachment_data,
				'filename_data'			=> $message_parser->filename_data,
				'address_list'			=> $address_list
			);
			unset($message_parser);

			// ((!$message_subject) ? $subject : $message_subject)
			$msg_id = submit_pm($action, $subject, $pm_data, true);

			$return_message_url = append_sid("{$phpbb_root_path}ucp.$phpEx", 'i=pm&amp;mode=view&amp;p=' . $msg_id);
			$return_folder_url = append_sid("{$phpbb_root_path}ucp.$phpEx", 'i=pm&amp;folder=outbox');
			meta_refresh(3, $return_message_url);

			$message = $user->lang['MESSAGE_STORED'] . '<br /><br />' . sprintf($user->lang['VIEW_MESSAGE'], '<a href="' . $return_message_url . '">', '</a>') . '<br /><br />' . sprintf($user->lang['CLICK_RETURN_FOLDER'], '<a href="' . $return_folder_url . '">', '</a>', $user->lang['PM_OUTBOX']);
			trigger_error($message);
		}

		$message_subject = $subject;
	}

	// Preview
	if (!sizeof($error) && $preview)
	{
		$post_time = ($action == 'edit') ? $post_time : $current_time;

		$preview_message = $message_parser->format_display($enable_bbcode, $enable_urls, $enable_smilies, false);

		$preview_signature = $user->data['user_sig'];
		$preview_signature_uid = $user->data['user_sig_bbcode_uid'];
		$preview_signature_bitfield = $user->data['user_sig_bbcode_bitfield'];

		// Signature
		if ($enable_sig && $config['allow_sig'] && $preview_signature)
		{
			$parse_sig = new parse_message($preview_signature);
			$parse_sig->bbcode_uid = $preview_signature_uid;
			$parse_sig->bbcode_bitfield = $preview_signature_bitfield;

			$parse_sig->format_display($enable_bbcode, $enable_urls, $enable_smilies);
			$preview_signature = $parse_sig->message;
			unset($parse_sig);
		}
		else
		{
			$preview_signature = '';
		}

		// Attachment Preview
		if (sizeof($message_parser->attachment_data))
		{
			$extensions = $update_count = array();

			$template->assign_var('S_HAS_ATTACHMENTS', true);
			display_attachments(0, 'attachment', $message_parser->attachment_data, $update_count);
		}

		$preview_subject = censor_text($subject);

		if (!sizeof($error))
		{
			$template->assign_vars(array(
				'PREVIEW_SUBJECT'		=> $preview_subject,
				'PREVIEW_MESSAGE'		=> $preview_message,
				'PREVIEW_SIGNATURE'		=> $preview_signature,

				'S_DISPLAY_PREVIEW'		=> true)
			);
		}
		unset($message_text);
	}

	// Decode text for message display
	$bbcode_uid = (($action == 'quote' || $action == 'forward') && !$preview && !$refresh && !sizeof($error)) ? $bbcode_uid : $message_parser->bbcode_uid;

	$message_parser->decode_message($bbcode_uid);

	if (($action == 'quote' || $action == 'quotepost') && !$preview && !$refresh)
	{
		if ($action == 'quotepost')
		{
			$post_id = request_var('p', 0);
			if ($config['allow_post_links'])
			{
				$message_link = "[url=" . generate_board_url() . "/viewtopic.$phpEx?p={$post_id}#p{$post_id}]{$message_subject}[/url]\n\n";
			}
			else
			{
				$message_link = $user->lang['SUBJECT'] . ': ' . $message_subject . " (" . generate_board_url() . "/viewtopic.$phpEx?p={$post_id}#p{$post_id})\n\n";
			}
		}
		else 
		{
			$message_link = '';
		}
		$message_parser->message = $message_link . '[quote="' . $quote_username . '"]' . censor_text(trim($message_parser->message)) . "[/quote]\n";
	}

	if (($action == 'reply' || $action == 'quote' || $action == 'quotepost') && !$preview && !$refresh)
	{
		$message_subject = ((!preg_match('/^Re:/', $message_subject)) ? 'Re: ' : '') . censor_text($message_subject);
	}

	if ($action == 'forward' && !$preview && !$refresh && !$submit)
	{
		$fwd_to_field = write_pm_addresses(array('to' => $post['to_address']), 0, true);

		if ($config['allow_post_links'])
		{
			$quote_username_text = '[url=' . generate_board_url() . "/memberlist.$phpEx?mode=viewprofile&u={$post['author_id']}]{$quote_username}[/url]";
		}
		else
		{
			$quote_username_text = $quote_username . ' (' . generate_board_url() . "/memberlist.$phpEx?mode=viewprofile&u={$post['author_id']})";
		}

		$forward_text = array();
		$forward_text[] = $user->lang['FWD_ORIGINAL_MESSAGE'];
		$forward_text[] = sprintf($user->lang['FWD_SUBJECT'], censor_text($message_subject));
		$forward_text[] = sprintf($user->lang['FWD_DATE'], $user->format_date($message_time));
		$forward_text[] = sprintf($user->lang['FWD_FROM'], $quote_username_text);
		$forward_text[] = sprintf($user->lang['FWD_TO'], implode(', ', $fwd_to_field['to']));

		$message_parser->message = implode("\n", $forward_text) . "\n\n[quote=\"{$quote_username}\"]\n" . censor_text(trim($message_parser->message)) . "\n[/quote]";
		$message_subject = ((!preg_match('/^Fwd:/', $message_subject)) ? 'Fwd: ' : '') . censor_text($message_subject);
	}

	$attachment_data = $message_parser->attachment_data;
	$filename_data = $message_parser->filename_data;
	$message_text = $message_parser->message;
	unset($message_parser);

	// MAIN PM PAGE BEGINS HERE