<?php
/*
   History:
     v0.1 - initial release
     v0.2 - remove extra <br/> on edit when linebreak-br conversion turn on
     v0.2a - uses sql_query
     v0.3 - fix backup failure
     v0.3a - fix missing ; in edit item
 
   Known Issue:
     - This plugin make a query to the database on add/edit
     - Bookmarklet Item preview does not work with HTMLized post
*/
class NP_BROverride extends NucleusPlugin {
 
        function getName() { return 'BROverride'; }
        function getAuthor()  { return 'Edmond Hui (admun)'; }
        function getURL() { return 'http://forum.nucleuscms.org/viewtopic.php?t=3974'; }
        function getVersion() { return 'v0.3a'; }
        function getDescription() {
                return 'This plugin provides automatic linebreak-to-br conversion with a per item override. This is useful for making a HTMLized post that contains ol, ul, li and etc';
        }
 
        function supportsFeature($what) {
                switch($what) {
                        case 'SqlTablePrefix':
                                return 1;
                        default:
                                return 0;
                }
        }
 
        function getEventList() {
                return array('AddItemFormExtras', 'PreAddItem', 'PostAddItem', 'EditItemFormExtras', 'PreUpdateItem', 'PrepareItemForEdit', 'PostDeleteItem');
        }
 
        function getTableList() {
                return array(sql_table('plugin_br_override'));
        }
 
        function install() {
                $query="CREATE TABLE IF NOT EXISTS ".sql_table('plugin_br_override')." (itemid int(11) NOT NULL)";
                sql_query($query);
        }
 
        function unInstall() {
                sql_query('DROP TABLE ' . sql_table('plugin_br_override'));
        }
 
        /*******************************************************************
                Add post action
        *******************************************************************/
        function event_AddItemFormExtras($data) {
        ?>
                <h3>Auto linebreak-BR conversion</h3>
                <p>
                <input type="checkbox" name="br_flag" <? if (true) echo "checked=\"checked\""; ?>/>Convert linebreak to &lt;br&gt;
                </p>
        <?php
        }
 
        function event_PreAddItem($data) {
                $flag = requestVar('br_flag');
                if ($flag) {
                        $data['body'] = addBreaks($data['body']);
                        $data['more'] = addBreaks($data['more']);
                        $this->add_breaks_added = true;
                }
                else {
                        $this->add_breaks_added = false;
                }
        }
 
        function event_PostAddItem($data) {
                if ($this->add_breaks_added == true) {
                        $query = "INSERT INTO ".sql_table('plugin_br_override')." VALUES ('".$data['itemid']."')";
                        sql_query($query);
                }
        }
 
        /*******************************************************************
                Edit post action
        *******************************************************************/
        function event_PrepareItemForEdit($data) {
                $query = "SELECT * FROM ".sql_table('plugin_br_override')." WHERE itemid='".$data['item']['itemid']."'";
                $res = sql_query($query);
                if (mysql_num_rows($res) > 0) {
                        $data['item']['body'] = removeBreaks($data['item']['body']);
                        $data['item']['more'] = removeBreaks($data['item']['more']);
                        $this->edit_br_mode = true;
                }
                else {
                        $this->edit_br_mode = false;
                }
        }
 
        function event_EditItemFormExtras($data) {
        ?>
                <h3>Auto linebreak-BR conversion</h3>
                <p>
                <input type="checkbox" name="br_flag"
        <?php
                if ($this->edit_br_mode == true) {
                        echo " checked=\"checked\"";
                }
        ?>
                />Convert linebreak to &lt;br&gt; (will also remove extra existing &lt;br&gt;)
                </p>
        <?php
        }
 
        function event_PreUpdateItem($data) {
 
                // This is not the best way to do it, but I can't use edit_br_mode for some reason..... should re-visit
                // here.
                $query = "SELECT * FROM ".sql_table('plugin_br_override')." WHERE itemid='".$data['itemid']."'";
                $res = sql_query($query);
                if (mysql_num_rows($res) == 0) {
                        $br_ed = true;
                }
                else {
                        $br_ed = false;
                }
 
                $flag = requestVar('br_flag');
                if ($flag) {
                        // replace extra <br />
                        $data['body'] = eregi_replace("<br ?/>","",$data['body']);
                        $data['more'] = eregi_replace("<br ?/>","",$data['more']);
                        $data['body'] = addBreaks($data['body']);
                        $data['more'] = addBreaks($data['more']);
 
                        if ($br_ed) {
                                $query = "INSERT INTO ".sql_table('plugin_br_override')." VALUES ('".$data['itemid']."')";
                                sql_query($query);
                        }
                }
                else {
                        if (!$br_ed) {
                                $query = "DELETE FROM ".sql_table('plugin_br_override')." WHERE itemid='".$data['itemid']."'";
                                sql_query($query);
                        }
                }
 
        }
 
        /*******************************************************************
                Delete post action
        *******************************************************************/
        function event_PostDeleteItem($data) {
                $query = "DELETE FROM ".sql_table('plugin_br_override')." WHERE itemid='".$data['itemid']."'";
                sql_query($query);
        }
 
}
 
?>