<?php

namespace Artsofte\MainBundle\Model\om;

use \BaseObject;
use \BasePeer;
use \Criteria;
use \Exception;
use \NestedSetRecursiveIterator;
use \PDO;
use \Persistent;
use \Propel;
use \PropelCollection;
use \PropelException;
use \PropelObjectCollection;
use \PropelPDO;
use Artsofte\MainBundle\Model\Article;
use Artsofte\MainBundle\Model\ArticleI18n;
use Artsofte\MainBundle\Model\ArticleI18nQuery;
use Artsofte\MainBundle\Model\ArticlePeer;
use Artsofte\MainBundle\Model\ArticleQuery;
use Artsofte\MainBundle\Model\SiteModule;
use Artsofte\MainBundle\Model\SiteModuleQuery;

abstract class BaseArticle extends BaseObject implements Persistent
{
    /**
     * Peer class name
     */
    const PEER = 'Artsofte\\MainBundle\\Model\\ArticlePeer';

    /**
     * The Peer class.
     * Instance provides a convenient way of calling static methods on a class
     * that calling code may not be able to identify.
     * @var        ArticlePeer
     */
    protected static $peer;

    /**
     * The flag var to prevent infinite loop in deep copy
     * @var       boolean
     */
    protected $startCopy = false;

    /**
     * The value for the id field.
     * @var        string
     */
    protected $id;

    /**
     * The value for the active field.
     * @var        boolean
     */
    protected $active;

    /**
     * The value for the alias field.
     * @var        string
     */
    protected $alias;

    /**
     * The value for the site_module_id field.
     * @var        int
     */
    protected $site_module_id;

    /**
     * The value for the tree_left field.
     * @var        int
     */
    protected $tree_left;

    /**
     * The value for the tree_right field.
     * @var        int
     */
    protected $tree_right;

    /**
     * The value for the tree_level field.
     * @var        int
     */
    protected $tree_level;

    /**
     * @var        SiteModule
     */
    protected $aSiteModule;

    /**
     * @var        PropelObjectCollection|ArticleI18n[] Collection to store aggregation of ArticleI18n objects.
     */
    protected $collArticleI18ns;
    protected $collArticleI18nsPartial;

    /**
     * Flag to prevent endless save loop, if this object is referenced
     * by another object which falls in this transaction.
     * @var        boolean
     */
    protected $alreadyInSave = false;

    /**
     * Flag to prevent endless validation loop, if this object is referenced
     * by another object which falls in this transaction.
     * @var        boolean
     */
    protected $alreadyInValidation = false;

    /**
     * Flag to prevent endless clearAllReferences($deep=true) loop, if this object is referenced
     * @var        boolean
     */
    protected $alreadyInClearAllReferencesDeep = false;

    // nested_set behavior

    /**
     * Queries to be executed in the save transaction
     * @var        array
     */
    protected $nestedSetQueries = array();

    /**
     * Internal cache for children nodes
     * @var        null|PropelObjectCollection
     */
    protected $collNestedSetChildren = null;

    /**
     * Internal cache for parent node
     * @var        null|Article
     */
    protected $aNestedSetParent = null;


    // i18n behavior

    /**
     * Current locale
     * @var        string
     */
    protected $currentLocale = 'en_US';

    /**
     * Current translation objects
     * @var        array[ArticleI18n]
     */
    protected $currentTranslations;

    /**
     * An array of objects scheduled for deletion.
     * @var		PropelObjectCollection
     */
    protected $articleI18nsScheduledForDeletion = null;

    /**
     * Get the [id] column value.
     *
     * @return string
     */
    public function getId()
    {

        return $this->id;
    }

    /**
     * Get the [active] column value.
     *
     * @return boolean
     */
    public function getActive()
    {

        return $this->active;
    }

    /**
     * Get the [alias] column value.
     *
     * @return string
     */
    public function getAlias()
    {

        return $this->alias;
    }

    /**
     * Get the [site_module_id] column value.
     *
     * @return int
     */
    public function getSiteModuleId()
    {

        return $this->site_module_id;
    }

    /**
     * Get the [tree_left] column value.
     *
     * @return int
     */
    public function getTreeLeft()
    {

        return $this->tree_left;
    }

    /**
     * Get the [tree_right] column value.
     *
     * @return int
     */
    public function getTreeRight()
    {

        return $this->tree_right;
    }

    /**
     * Get the [tree_level] column value.
     *
     * @return int
     */
    public function getTreeLevel()
    {

        return $this->tree_level;
    }

    /**
     * Set the value of [id] column.
     *
     * @param  string $v new value
     * @return Article The current object (for fluent API support)
     */
    public function setId($v)
    {
        if ($v !== null && is_numeric($v)) {
            $v = (string) $v;
        }

        if ($this->id !== $v) {
            $this->id = $v;
            $this->modifiedColumns[] = ArticlePeer::ID;
        }


        return $this;
    } // setId()

    /**
     * Sets the value of the [active] column.
     * Non-boolean arguments are converted using the following rules:
     *   * 1, '1', 'true',  'on',  and 'yes' are converted to boolean true
     *   * 0, '0', 'false', 'off', and 'no'  are converted to boolean false
     * Check on string values is case insensitive (so 'FaLsE' is seen as 'false').
     *
     * @param boolean|integer|string $v The new value
     * @return Article The current object (for fluent API support)
     */
    public function setActive($v)
    {
        if ($v !== null) {
            if (is_string($v)) {
                $v = in_array(strtolower($v), array('false', 'off', '-', 'no', 'n', '0', '')) ? false : true;
            } else {
                $v = (boolean) $v;
            }
        }

        if ($this->active !== $v) {
            $this->active = $v;
            $this->modifiedColumns[] = ArticlePeer::ACTIVE;
        }


        return $this;
    } // setActive()

    /**
     * Set the value of [alias] column.
     *
     * @param  string $v new value
     * @return Article The current object (for fluent API support)
     */
    public function setAlias($v)
    {
        if ($v !== null) {
            $v = (string) $v;
        }

        if ($this->alias !== $v) {
            $this->alias = $v;
            $this->modifiedColumns[] = ArticlePeer::ALIAS;
        }


        return $this;
    } // setAlias()

    /**
     * Set the value of [site_module_id] column.
     *
     * @param  int $v new value
     * @return Article The current object (for fluent API support)
     */
    public function setSiteModuleId($v)
    {
        if ($v !== null && is_numeric($v)) {
            $v = (int) $v;
        }

        if ($this->site_module_id !== $v) {
            $this->site_module_id = $v;
            $this->modifiedColumns[] = ArticlePeer::SITE_MODULE_ID;
        }

        if ($this->aSiteModule !== null && $this->aSiteModule->getId() !== $v) {
            $this->aSiteModule = null;
        }


        return $this;
    } // setSiteModuleId()

    /**
     * Set the value of [tree_left] column.
     *
     * @param  int $v new value
     * @return Article The current object (for fluent API support)
     */
    public function setTreeLeft($v)
    {
        if ($v !== null && is_numeric($v)) {
            $v = (int) $v;
        }

        if ($this->tree_left !== $v) {
            $this->tree_left = $v;
            $this->modifiedColumns[] = ArticlePeer::TREE_LEFT;
        }


        return $this;
    } // setTreeLeft()

    /**
     * Set the value of [tree_right] column.
     *
     * @param  int $v new value
     * @return Article The current object (for fluent API support)
     */
    public function setTreeRight($v)
    {
        if ($v !== null && is_numeric($v)) {
            $v = (int) $v;
        }

        if ($this->tree_right !== $v) {
            $this->tree_right = $v;
            $this->modifiedColumns[] = ArticlePeer::TREE_RIGHT;
        }


        return $this;
    } // setTreeRight()

    /**
     * Set the value of [tree_level] column.
     *
     * @param  int $v new value
     * @return Article The current object (for fluent API support)
     */
    public function setTreeLevel($v)
    {
        if ($v !== null && is_numeric($v)) {
            $v = (int) $v;
        }

        if ($this->tree_level !== $v) {
            $this->tree_level = $v;
            $this->modifiedColumns[] = ArticlePeer::TREE_LEVEL;
        }


        return $this;
    } // setTreeLevel()

    /**
     * Indicates whether the columns in this object are only set to default values.
     *
     * This method can be used in conjunction with isModified() to indicate whether an object is both
     * modified _and_ has some values set which are non-default.
     *
     * @return boolean Whether the columns in this object are only been set with default values.
     */
    public function hasOnlyDefaultValues()
    {
        // otherwise, everything was equal, so return true
        return true;
    } // hasOnlyDefaultValues()

    /**
     * Hydrates (populates) the object variables with values from the database resultset.
     *
     * An offset (0-based "start column") is specified so that objects can be hydrated
     * with a subset of the columns in the resultset rows.  This is needed, for example,
     * for results of JOIN queries where the resultset row includes columns from two or
     * more tables.
     *
     * @param array $row The row returned by PDOStatement->fetch(PDO::FETCH_NUM)
     * @param int $startcol 0-based offset column which indicates which resultset column to start with.
     * @param boolean $rehydrate Whether this object is being re-hydrated from the database.
     * @return int             next starting column
     * @throws PropelException - Any caught Exception will be rewrapped as a PropelException.
     */
    public function hydrate($row, $startcol = 0, $rehydrate = false)
    {
        try {

            $this->id = ($row[$startcol + 0] !== null) ? (string) $row[$startcol + 0] : null;
            $this->active = ($row[$startcol + 1] !== null) ? (boolean) $row[$startcol + 1] : null;
            $this->alias = ($row[$startcol + 2] !== null) ? (string) $row[$startcol + 2] : null;
            $this->site_module_id = ($row[$startcol + 3] !== null) ? (int) $row[$startcol + 3] : null;
            $this->tree_left = ($row[$startcol + 4] !== null) ? (int) $row[$startcol + 4] : null;
            $this->tree_right = ($row[$startcol + 5] !== null) ? (int) $row[$startcol + 5] : null;
            $this->tree_level = ($row[$startcol + 6] !== null) ? (int) $row[$startcol + 6] : null;
            $this->resetModified();

            $this->setNew(false);

            if ($rehydrate) {
                $this->ensureConsistency();
            }
            $this->postHydrate($row, $startcol, $rehydrate);

            return $startcol + 7; // 7 = ArticlePeer::NUM_HYDRATE_COLUMNS.

        } catch (Exception $e) {
            throw new PropelException("Error populating Article object", $e);
        }
    }

    /**
     * Checks and repairs the internal consistency of the object.
     *
     * This method is executed after an already-instantiated object is re-hydrated
     * from the database.  It exists to check any foreign keys to make sure that
     * the objects related to the current object are correct based on foreign key.
     *
     * You can override this method in the stub class, but you should always invoke
     * the base method from the overridden method (i.e. parent::ensureConsistency()),
     * in case your model changes.
     *
     * @throws PropelException
     */
    public function ensureConsistency()
    {

        if ($this->aSiteModule !== null && $this->site_module_id !== $this->aSiteModule->getId()) {
            $this->aSiteModule = null;
        }
    } // ensureConsistency

    /**
     * Reloads this object from datastore based on primary key and (optionally) resets all associated objects.
     *
     * This will only work if the object has been saved and has a valid primary key set.
     *
     * @param boolean $deep (optional) Whether to also de-associated any related objects.
     * @param PropelPDO $con (optional) The PropelPDO connection to use.
     * @return void
     * @throws PropelException - if this object is deleted, unsaved or doesn't have pk match in db
     */
    public function reload($deep = false, PropelPDO $con = null)
    {
        if ($this->isDeleted()) {
            throw new PropelException("Cannot reload a deleted object.");
        }

        if ($this->isNew()) {
            throw new PropelException("Cannot reload an unsaved object.");
        }

        if ($con === null) {
            $con = Propel::getConnection(ArticlePeer::DATABASE_NAME, Propel::CONNECTION_READ);
        }

        // We don't need to alter the object instance pool; we're just modifying this instance
        // already in the pool.

        $stmt = ArticlePeer::doSelectStmt($this->buildPkeyCriteria(), $con);
        $row = $stmt->fetch(PDO::FETCH_NUM);
        $stmt->closeCursor();
        if (!$row) {
            throw new PropelException('Cannot find matching row in the database to reload object values.');
        }
        $this->hydrate($row, 0, true); // rehydrate

        if ($deep) {  // also de-associate any related objects?

            $this->aSiteModule = null;
            $this->collArticleI18ns = null;

        } // if (deep)
    }

    /**
     * Removes this object from datastore and sets delete attribute.
     *
     * @param PropelPDO $con
     * @return void
     * @throws PropelException
     * @throws Exception
     * @see        BaseObject::setDeleted()
     * @see        BaseObject::isDeleted()
     */
    public function delete(PropelPDO $con = null)
    {
        if ($this->isDeleted()) {
            throw new PropelException("This object has already been deleted.");
        }

        if ($con === null) {
            $con = Propel::getConnection(ArticlePeer::DATABASE_NAME, Propel::CONNECTION_WRITE);
        }

        $con->beginTransaction();
        try {
            $deleteQuery = ArticleQuery::create()
                ->filterByPrimaryKey($this->getPrimaryKey());
            $ret = $this->preDelete($con);
            // nested_set behavior
            if ($this->isRoot()) {
                throw new PropelException('Deletion of a root node is disabled for nested sets. Use ArticlePeer::deleteTree() instead to delete an entire tree');
            }

            if ($this->isInTree()) {
                $this->deleteDescendants($con);
            }

            if ($ret) {
                $deleteQuery->delete($con);
                $this->postDelete($con);
                // nested_set behavior
                if ($this->isInTree()) {
                    // fill up the room that was used by the node
                    ArticlePeer::shiftRLValues(-2, $this->getRightValue() + 1, null, $con);
                }

                $con->commit();
                $this->setDeleted(true);
            } else {
                $con->commit();
            }
        } catch (Exception $e) {
            $con->rollBack();
            throw $e;
        }
    }

    /**
     * Persists this object to the database.
     *
     * If the object is new, it inserts it; otherwise an update is performed.
     * All modified related objects will also be persisted in the doSave()
     * method.  This method wraps all precipitate database operations in a
     * single transaction.
     *
     * @param PropelPDO $con
     * @return int             The number of rows affected by this insert/update and any referring fk objects' save() operations.
     * @throws PropelException
     * @throws Exception
     * @see        doSave()
     */
    public function save(PropelPDO $con = null)
    {
        if ($this->isDeleted()) {
            throw new PropelException("You cannot save an object that has been deleted.");
        }

        if ($con === null) {
            $con = Propel::getConnection(ArticlePeer::DATABASE_NAME, Propel::CONNECTION_WRITE);
        }

        $con->beginTransaction();
        $isInsert = $this->isNew();
        try {
            $ret = $this->preSave($con);
            // nested_set behavior
            if ($this->isNew() && $this->isRoot()) {
                // check if no other root exist in, the tree
                $nbRoots = ArticleQuery::create()
                    ->addUsingAlias(ArticlePeer::LEFT_COL, 1, Criteria::EQUAL)
                    ->count($con);
                if ($nbRoots > 0) {
                        throw new PropelException('A root node already exists in this tree. To allow multiple root nodes, add the `use_scope` parameter in the nested_set behavior tag.');
                }
            }
            $this->processNestedSetQueries($con);
            if ($isInsert) {
                $ret = $ret && $this->preInsert($con);
            } else {
                $ret = $ret && $this->preUpdate($con);
            }
            if ($ret) {
                $affectedRows = $this->doSave($con);
                if ($isInsert) {
                    $this->postInsert($con);
                } else {
                    $this->postUpdate($con);
                }
                $this->postSave($con);
                ArticlePeer::addInstanceToPool($this);
            } else {
                $affectedRows = 0;
            }
            $con->commit();

            return $affectedRows;
        } catch (Exception $e) {
            $con->rollBack();
            throw $e;
        }
    }

    /**
     * Performs the work of inserting or updating the row in the database.
     *
     * If the object is new, it inserts it; otherwise an update is performed.
     * All related objects are also updated in this method.
     *
     * @param PropelPDO $con
     * @return int             The number of rows affected by this insert/update and any referring fk objects' save() operations.
     * @throws PropelException
     * @see        save()
     */
    protected function doSave(PropelPDO $con)
    {
        $affectedRows = 0; // initialize var to track total num of affected rows
        if (!$this->alreadyInSave) {
            $this->alreadyInSave = true;

            // We call the save method on the following object(s) if they
            // were passed to this object by their corresponding set
            // method.  This object relates to these object(s) by a
            // foreign key reference.

            if ($this->aSiteModule !== null) {
                if ($this->aSiteModule->isModified() || $this->aSiteModule->isNew()) {
                    $affectedRows += $this->aSiteModule->save($con);
                }
                $this->setSiteModule($this->aSiteModule);
            }

            if ($this->isNew() || $this->isModified()) {
                // persist changes
                if ($this->isNew()) {
                    $this->doInsert($con);
                } else {
                    $this->doUpdate($con);
                }
                $affectedRows += 1;
                $this->resetModified();
            }

            if ($this->articleI18nsScheduledForDeletion !== null) {
                if (!$this->articleI18nsScheduledForDeletion->isEmpty()) {
                    ArticleI18nQuery::create()
                        ->filterByPrimaryKeys($this->articleI18nsScheduledForDeletion->getPrimaryKeys(false))
                        ->delete($con);
                    $this->articleI18nsScheduledForDeletion = null;
                }
            }

            if ($this->collArticleI18ns !== null) {
                foreach ($this->collArticleI18ns as $referrerFK) {
                    if (!$referrerFK->isDeleted() && ($referrerFK->isNew() || $referrerFK->isModified())) {
                        $affectedRows += $referrerFK->save($con);
                    }
                }
            }

            $this->alreadyInSave = false;

        }

        return $affectedRows;
    } // doSave()

    /**
     * Insert the row in the database.
     *
     * @param PropelPDO $con
     *
     * @throws PropelException
     * @see        doSave()
     */
    protected function doInsert(PropelPDO $con)
    {
        $modifiedColumns = array();
        $index = 0;

        $this->modifiedColumns[] = ArticlePeer::ID;
        if (null !== $this->id) {
            throw new PropelException('Cannot insert a value for auto-increment primary key (' . ArticlePeer::ID . ')');
        }

         // check the columns in natural order for more readable SQL queries
        if ($this->isColumnModified(ArticlePeer::ID)) {
            $modifiedColumns[':p' . $index++]  = '`id`';
        }
        if ($this->isColumnModified(ArticlePeer::ACTIVE)) {
            $modifiedColumns[':p' . $index++]  = '`active`';
        }
        if ($this->isColumnModified(ArticlePeer::ALIAS)) {
            $modifiedColumns[':p' . $index++]  = '`alias`';
        }
        if ($this->isColumnModified(ArticlePeer::SITE_MODULE_ID)) {
            $modifiedColumns[':p' . $index++]  = '`site_module_id`';
        }
        if ($this->isColumnModified(ArticlePeer::TREE_LEFT)) {
            $modifiedColumns[':p' . $index++]  = '`tree_left`';
        }
        if ($this->isColumnModified(ArticlePeer::TREE_RIGHT)) {
            $modifiedColumns[':p' . $index++]  = '`tree_right`';
        }
        if ($this->isColumnModified(ArticlePeer::TREE_LEVEL)) {
            $modifiedColumns[':p' . $index++]  = '`tree_level`';
        }

        $sql = sprintf(
            'INSERT INTO `article` (%s) VALUES (%s)',
            implode(', ', $modifiedColumns),
            implode(', ', array_keys($modifiedColumns))
        );

        try {
            $stmt = $con->prepare($sql);
            foreach ($modifiedColumns as $identifier => $columnName) {
                switch ($columnName) {
                    case '`id`':
                        $stmt->bindValue($identifier, $this->id, PDO::PARAM_STR);
                        break;
                    case '`active`':
                        $stmt->bindValue($identifier, (int) $this->active, PDO::PARAM_INT);
                        break;
                    case '`alias`':
                        $stmt->bindValue($identifier, $this->alias, PDO::PARAM_STR);
                        break;
                    case '`site_module_id`':
                        $stmt->bindValue($identifier, $this->site_module_id, PDO::PARAM_INT);
                        break;
                    case '`tree_left`':
                        $stmt->bindValue($identifier, $this->tree_left, PDO::PARAM_INT);
                        break;
                    case '`tree_right`':
                        $stmt->bindValue($identifier, $this->tree_right, PDO::PARAM_INT);
                        break;
                    case '`tree_level`':
                        $stmt->bindValue($identifier, $this->tree_level, PDO::PARAM_INT);
                        break;
                }
            }
            $stmt->execute();
        } catch (Exception $e) {
            Propel::log($e->getMessage(), Propel::LOG_ERR);
            throw new PropelException(sprintf('Unable to execute INSERT statement [%s]', $sql), $e);
        }

        try {
            $pk = $con->lastInsertId();
        } catch (Exception $e) {
            throw new PropelException('Unable to get autoincrement id.', $e);
        }
        $this->setId($pk);

        $this->setNew(false);
    }

    /**
     * Update the row in the database.
     *
     * @param PropelPDO $con
     *
     * @see        doSave()
     */
    protected function doUpdate(PropelPDO $con)
    {
        $selectCriteria = $this->buildPkeyCriteria();
        $valuesCriteria = $this->buildCriteria();
        BasePeer::doUpdate($selectCriteria, $valuesCriteria, $con);
    }

    /**
     * Array of ValidationFailed objects.
     * @var        array ValidationFailed[]
     */
    protected $validationFailures = array();

    /**
     * Gets any ValidationFailed objects that resulted from last call to validate().
     *
     *
     * @return array ValidationFailed[]
     * @see        validate()
     */
    public function getValidationFailures()
    {
        return $this->validationFailures;
    }

    /**
     * Validates the objects modified field values and all objects related to this table.
     *
     * If $columns is either a column name or an array of column names
     * only those columns are validated.
     *
     * @param mixed $columns Column name or an array of column names.
     * @return boolean Whether all columns pass validation.
     * @see        doValidate()
     * @see        getValidationFailures()
     */
    public function validate($columns = null)
    {
        $res = $this->doValidate($columns);
        if ($res === true) {
            $this->validationFailures = array();

            return true;
        }

        $this->validationFailures = $res;

        return false;
    }

    /**
     * This function performs the validation work for complex object models.
     *
     * In addition to checking the current object, all related objects will
     * also be validated.  If all pass then <code>true</code> is returned; otherwise
     * an aggregated array of ValidationFailed objects will be returned.
     *
     * @param array $columns Array of column names to validate.
     * @return mixed <code>true</code> if all validations pass; array of <code>ValidationFailed</code> objects otherwise.
     */
    protected function doValidate($columns = null)
    {
        if (!$this->alreadyInValidation) {
            $this->alreadyInValidation = true;
            $retval = null;

            $failureMap = array();


            // We call the validate method on the following object(s) if they
            // were passed to this object by their corresponding set
            // method.  This object relates to these object(s) by a
            // foreign key reference.

            if ($this->aSiteModule !== null) {
                if (!$this->aSiteModule->validate($columns)) {
                    $failureMap = array_merge($failureMap, $this->aSiteModule->getValidationFailures());
                }
            }


            if (($retval = ArticlePeer::doValidate($this, $columns)) !== true) {
                $failureMap = array_merge($failureMap, $retval);
            }


                if ($this->collArticleI18ns !== null) {
                    foreach ($this->collArticleI18ns as $referrerFK) {
                        if (!$referrerFK->validate($columns)) {
                            $failureMap = array_merge($failureMap, $referrerFK->getValidationFailures());
                        }
                    }
                }


            $this->alreadyInValidation = false;
        }

        return (!empty($failureMap) ? $failureMap : true);
    }

    /**
     * Retrieves a field from the object by name passed in as a string.
     *
     * @param string $name name
     * @param string $type The type of fieldname the $name is of:
     *               one of the class type constants BasePeer::TYPE_PHPNAME, BasePeer::TYPE_STUDLYPHPNAME
     *               BasePeer::TYPE_COLNAME, BasePeer::TYPE_FIELDNAME, BasePeer::TYPE_NUM.
     *               Defaults to BasePeer::TYPE_PHPNAME
     * @return mixed Value of field.
     */
    public function getByName($name, $type = BasePeer::TYPE_PHPNAME)
    {
        $pos = ArticlePeer::translateFieldName($name, $type, BasePeer::TYPE_NUM);
        $field = $this->getByPosition($pos);

        return $field;
    }

    /**
     * Retrieves a field from the object by Position as specified in the xml schema.
     * Zero-based.
     *
     * @param int $pos position in xml schema
     * @return mixed Value of field at $pos
     */
    public function getByPosition($pos)
    {
        switch ($pos) {
            case 0:
                return $this->getId();
                break;
            case 1:
                return $this->getActive();
                break;
            case 2:
                return $this->getAlias();
                break;
            case 3:
                return $this->getSiteModuleId();
                break;
            case 4:
                return $this->getTreeLeft();
                break;
            case 5:
                return $this->getTreeRight();
                break;
            case 6:
                return $this->getTreeLevel();
                break;
            default:
                return null;
                break;
        } // switch()
    }

    /**
     * Exports the object as an array.
     *
     * You can specify the key type of the array by passing one of the class
     * type constants.
     *
     * @param     string  $keyType (optional) One of the class type constants BasePeer::TYPE_PHPNAME, BasePeer::TYPE_STUDLYPHPNAME,
     *                    BasePeer::TYPE_COLNAME, BasePeer::TYPE_FIELDNAME, BasePeer::TYPE_NUM.
     *                    Defaults to BasePeer::TYPE_PHPNAME.
     * @param     boolean $includeLazyLoadColumns (optional) Whether to include lazy loaded columns. Defaults to true.
     * @param     array $alreadyDumpedObjects List of objects to skip to avoid recursion
     * @param     boolean $includeForeignObjects (optional) Whether to include hydrated related objects. Default to FALSE.
     *
     * @return array an associative array containing the field names (as keys) and field values
     */
    public function toArray($keyType = BasePeer::TYPE_PHPNAME, $includeLazyLoadColumns = true, $alreadyDumpedObjects = array(), $includeForeignObjects = false)
    {
        if (isset($alreadyDumpedObjects['Article'][$this->getPrimaryKey()])) {
            return '*RECURSION*';
        }
        $alreadyDumpedObjects['Article'][$this->getPrimaryKey()] = true;
        $keys = ArticlePeer::getFieldNames($keyType);
        $result = array(
            $keys[0] => $this->getId(),
            $keys[1] => $this->getActive(),
            $keys[2] => $this->getAlias(),
            $keys[3] => $this->getSiteModuleId(),
            $keys[4] => $this->getTreeLeft(),
            $keys[5] => $this->getTreeRight(),
            $keys[6] => $this->getTreeLevel(),
        );
        $virtualColumns = $this->virtualColumns;
        foreach ($virtualColumns as $key => $virtualColumn) {
            $result[$key] = $virtualColumn;
        }

        if ($includeForeignObjects) {
            if (null !== $this->aSiteModule) {
                $result['SiteModule'] = $this->aSiteModule->toArray($keyType, $includeLazyLoadColumns,  $alreadyDumpedObjects, true);
            }
            if (null !== $this->collArticleI18ns) {
                $result['ArticleI18ns'] = $this->collArticleI18ns->toArray(null, true, $keyType, $includeLazyLoadColumns, $alreadyDumpedObjects);
            }
        }

        return $result;
    }

    /**
     * Sets a field from the object by name passed in as a string.
     *
     * @param string $name peer name
     * @param mixed $value field value
     * @param string $type The type of fieldname the $name is of:
     *                     one of the class type constants BasePeer::TYPE_PHPNAME, BasePeer::TYPE_STUDLYPHPNAME
     *                     BasePeer::TYPE_COLNAME, BasePeer::TYPE_FIELDNAME, BasePeer::TYPE_NUM.
     *                     Defaults to BasePeer::TYPE_PHPNAME
     * @return void
     */
    public function setByName($name, $value, $type = BasePeer::TYPE_PHPNAME)
    {
        $pos = ArticlePeer::translateFieldName($name, $type, BasePeer::TYPE_NUM);

        $this->setByPosition($pos, $value);
    }

    /**
     * Sets a field from the object by Position as specified in the xml schema.
     * Zero-based.
     *
     * @param int $pos position in xml schema
     * @param mixed $value field value
     * @return void
     */
    public function setByPosition($pos, $value)
    {
        switch ($pos) {
            case 0:
                $this->setId($value);
                break;
            case 1:
                $this->setActive($value);
                break;
            case 2:
                $this->setAlias($value);
                break;
            case 3:
                $this->setSiteModuleId($value);
                break;
            case 4:
                $this->setTreeLeft($value);
                break;
            case 5:
                $this->setTreeRight($value);
                break;
            case 6:
                $this->setTreeLevel($value);
                break;
        } // switch()
    }

    /**
     * Populates the object using an array.
     *
     * This is particularly useful when populating an object from one of the
     * request arrays (e.g. $_POST).  This method goes through the column
     * names, checking to see whether a matching key exists in populated
     * array. If so the setByName() method is called for that column.
     *
     * You can specify the key type of the array by additionally passing one
     * of the class type constants BasePeer::TYPE_PHPNAME, BasePeer::TYPE_STUDLYPHPNAME,
     * BasePeer::TYPE_COLNAME, BasePeer::TYPE_FIELDNAME, BasePeer::TYPE_NUM.
     * The default key type is the column's BasePeer::TYPE_PHPNAME
     *
     * @param array  $arr     An array to populate the object from.
     * @param string $keyType The type of keys the array uses.
     * @return void
     */
    public function fromArray($arr, $keyType = BasePeer::TYPE_PHPNAME)
    {
        $keys = ArticlePeer::getFieldNames($keyType);

        if (array_key_exists($keys[0], $arr)) $this->setId($arr[$keys[0]]);
        if (array_key_exists($keys[1], $arr)) $this->setActive($arr[$keys[1]]);
        if (array_key_exists($keys[2], $arr)) $this->setAlias($arr[$keys[2]]);
        if (array_key_exists($keys[3], $arr)) $this->setSiteModuleId($arr[$keys[3]]);
        if (array_key_exists($keys[4], $arr)) $this->setTreeLeft($arr[$keys[4]]);
        if (array_key_exists($keys[5], $arr)) $this->setTreeRight($arr[$keys[5]]);
        if (array_key_exists($keys[6], $arr)) $this->setTreeLevel($arr[$keys[6]]);
    }

    /**
     * Build a Criteria object containing the values of all modified columns in this object.
     *
     * @return Criteria The Criteria object containing all modified values.
     */
    public function buildCriteria()
    {
        $criteria = new Criteria(ArticlePeer::DATABASE_NAME);

        if ($this->isColumnModified(ArticlePeer::ID)) $criteria->add(ArticlePeer::ID, $this->id);
        if ($this->isColumnModified(ArticlePeer::ACTIVE)) $criteria->add(ArticlePeer::ACTIVE, $this->active);
        if ($this->isColumnModified(ArticlePeer::ALIAS)) $criteria->add(ArticlePeer::ALIAS, $this->alias);
        if ($this->isColumnModified(ArticlePeer::SITE_MODULE_ID)) $criteria->add(ArticlePeer::SITE_MODULE_ID, $this->site_module_id);
        if ($this->isColumnModified(ArticlePeer::TREE_LEFT)) $criteria->add(ArticlePeer::TREE_LEFT, $this->tree_left);
        if ($this->isColumnModified(ArticlePeer::TREE_RIGHT)) $criteria->add(ArticlePeer::TREE_RIGHT, $this->tree_right);
        if ($this->isColumnModified(ArticlePeer::TREE_LEVEL)) $criteria->add(ArticlePeer::TREE_LEVEL, $this->tree_level);

        return $criteria;
    }

    /**
     * Builds a Criteria object containing the primary key for this object.
     *
     * Unlike buildCriteria() this method includes the primary key values regardless
     * of whether or not they have been modified.
     *
     * @return Criteria The Criteria object containing value(s) for primary key(s).
     */
    public function buildPkeyCriteria()
    {
        $criteria = new Criteria(ArticlePeer::DATABASE_NAME);
        $criteria->add(ArticlePeer::ID, $this->id);

        return $criteria;
    }

    /**
     * Returns the primary key for this object (row).
     * @return string
     */
    public function getPrimaryKey()
    {
        return $this->getId();
    }

    /**
     * Generic method to set the primary key (id column).
     *
     * @param  string $key Primary key.
     * @return void
     */
    public function setPrimaryKey($key)
    {
        $this->setId($key);
    }

    /**
     * Returns true if the primary key for this object is null.
     * @return boolean
     */
    public function isPrimaryKeyNull()
    {

        return null === $this->getId();
    }

    /**
     * Sets contents of passed object to values from current object.
     *
     * If desired, this method can also make copies of all associated (fkey referrers)
     * objects.
     *
     * @param object $copyObj An object of Article (or compatible) type.
     * @param boolean $deepCopy Whether to also copy all rows that refer (by fkey) to the current row.
     * @param boolean $makeNew Whether to reset autoincrement PKs and make the object new.
     * @throws PropelException
     */
    public function copyInto($copyObj, $deepCopy = false, $makeNew = true)
    {
        $copyObj->setActive($this->getActive());
        $copyObj->setAlias($this->getAlias());
        $copyObj->setSiteModuleId($this->getSiteModuleId());
        $copyObj->setTreeLeft($this->getTreeLeft());
        $copyObj->setTreeRight($this->getTreeRight());
        $copyObj->setTreeLevel($this->getTreeLevel());

        if ($deepCopy && !$this->startCopy) {
            // important: temporarily setNew(false) because this affects the behavior of
            // the getter/setter methods for fkey referrer objects.
            $copyObj->setNew(false);
            // store object hash to prevent cycle
            $this->startCopy = true;

            foreach ($this->getArticleI18ns() as $relObj) {
                if ($relObj !== $this) {  // ensure that we don't try to copy a reference to ourselves
                    $copyObj->addArticleI18n($relObj->copy($deepCopy));
                }
            }

            //unflag object copy
            $this->startCopy = false;
        } // if ($deepCopy)

        if ($makeNew) {
            $copyObj->setNew(true);
            $copyObj->setId(NULL); // this is a auto-increment column, so set to default value
        }
    }

    /**
     * Makes a copy of this object that will be inserted as a new row in table when saved.
     * It creates a new object filling in the simple attributes, but skipping any primary
     * keys that are defined for the table.
     *
     * If desired, this method can also make copies of all associated (fkey referrers)
     * objects.
     *
     * @param boolean $deepCopy Whether to also copy all rows that refer (by fkey) to the current row.
     * @return Article Clone of current object.
     * @throws PropelException
     */
    public function copy($deepCopy = false)
    {
        // we use get_class(), because this might be a subclass
        $clazz = get_class($this);
        $copyObj = new $clazz();
        $this->copyInto($copyObj, $deepCopy);

        return $copyObj;
    }

    /**
     * Returns a peer instance associated with this om.
     *
     * Since Peer classes are not to have any instance attributes, this method returns the
     * same instance for all member of this class. The method could therefore
     * be static, but this would prevent one from overriding the behavior.
     *
     * @return ArticlePeer
     */
    public function getPeer()
    {
        if (self::$peer === null) {
            self::$peer = new ArticlePeer();
        }

        return self::$peer;
    }

    /**
     * Declares an association between this object and a SiteModule object.
     *
     * @param                  SiteModule $v
     * @return Article The current object (for fluent API support)
     * @throws PropelException
     */
    public function setSiteModule(SiteModule $v = null)
    {
        if ($v === null) {
            $this->setSiteModuleId(NULL);
        } else {
            $this->setSiteModuleId($v->getId());
        }

        $this->aSiteModule = $v;

        // Add binding for other direction of this n:n relationship.
        // If this object has already been added to the SiteModule object, it will not be re-added.
        if ($v !== null) {
            $v->addArticle($this);
        }


        return $this;
    }


    /**
     * Get the associated SiteModule object
     *
     * @param PropelPDO $con Optional Connection object.
     * @param $doQuery Executes a query to get the object if required
     * @return SiteModule The associated SiteModule object.
     * @throws PropelException
     */
    public function getSiteModule(PropelPDO $con = null, $doQuery = true)
    {
        if ($this->aSiteModule === null && ($this->site_module_id !== null) && $doQuery) {
            $this->aSiteModule = SiteModuleQuery::create()->findPk($this->site_module_id, $con);
            /* The following can be used additionally to
                guarantee the related object contains a reference
                to this object.  This level of coupling may, however, be
                undesirable since it could result in an only partially populated collection
                in the referenced object.
                $this->aSiteModule->addArticles($this);
             */
        }

        return $this->aSiteModule;
    }


    /**
     * Initializes a collection based on the name of a relation.
     * Avoids crafting an 'init[$relationName]s' method name
     * that wouldn't work when StandardEnglishPluralizer is used.
     *
     * @param string $relationName The name of the relation to initialize
     * @return void
     */
    public function initRelation($relationName)
    {
        if ('ArticleI18n' == $relationName) {
            $this->initArticleI18ns();
        }
    }

    /**
     * Clears out the collArticleI18ns collection
     *
     * This does not modify the database; however, it will remove any associated objects, causing
     * them to be refetched by subsequent calls to accessor method.
     *
     * @return Article The current object (for fluent API support)
     * @see        addArticleI18ns()
     */
    public function clearArticleI18ns()
    {
        $this->collArticleI18ns = null; // important to set this to null since that means it is uninitialized
        $this->collArticleI18nsPartial = null;

        return $this;
    }

    /**
     * reset is the collArticleI18ns collection loaded partially
     *
     * @return void
     */
    public function resetPartialArticleI18ns($v = true)
    {
        $this->collArticleI18nsPartial = $v;
    }

    /**
     * Initializes the collArticleI18ns collection.
     *
     * By default this just sets the collArticleI18ns collection to an empty array (like clearcollArticleI18ns());
     * however, you may wish to override this method in your stub class to provide setting appropriate
     * to your application -- for example, setting the initial array to the values stored in database.
     *
     * @param boolean $overrideExisting If set to true, the method call initializes
     *                                        the collection even if it is not empty
     *
     * @return void
     */
    public function initArticleI18ns($overrideExisting = true)
    {
        if (null !== $this->collArticleI18ns && !$overrideExisting) {
            return;
        }
        $this->collArticleI18ns = new PropelObjectCollection();
        $this->collArticleI18ns->setModel('ArticleI18n');
    }

    /**
     * Gets an array of ArticleI18n objects which contain a foreign key that references this object.
     *
     * If the $criteria is not null, it is used to always fetch the results from the database.
     * Otherwise the results are fetched from the database the first time, then cached.
     * Next time the same method is called without $criteria, the cached collection is returned.
     * If this Article is new, it will return
     * an empty collection or the current collection; the criteria is ignored on a new object.
     *
     * @param Criteria $criteria optional Criteria object to narrow the query
     * @param PropelPDO $con optional connection object
     * @return PropelObjectCollection|ArticleI18n[] List of ArticleI18n objects
     * @throws PropelException
     */
    public function getArticleI18ns($criteria = null, PropelPDO $con = null)
    {
        $partial = $this->collArticleI18nsPartial && !$this->isNew();
        if (null === $this->collArticleI18ns || null !== $criteria  || $partial) {
            if ($this->isNew() && null === $this->collArticleI18ns) {
                // return empty collection
                $this->initArticleI18ns();
            } else {
                $collArticleI18ns = ArticleI18nQuery::create(null, $criteria)
                    ->filterByArticle($this)
                    ->find($con);
                if (null !== $criteria) {
                    if (false !== $this->collArticleI18nsPartial && count($collArticleI18ns)) {
                      $this->initArticleI18ns(false);

                      foreach ($collArticleI18ns as $obj) {
                        if (false == $this->collArticleI18ns->contains($obj)) {
                          $this->collArticleI18ns->append($obj);
                        }
                      }

                      $this->collArticleI18nsPartial = true;
                    }

                    $collArticleI18ns->getInternalIterator()->rewind();

                    return $collArticleI18ns;
                }

                if ($partial && $this->collArticleI18ns) {
                    foreach ($this->collArticleI18ns as $obj) {
                        if ($obj->isNew()) {
                            $collArticleI18ns[] = $obj;
                        }
                    }
                }

                $this->collArticleI18ns = $collArticleI18ns;
                $this->collArticleI18nsPartial = false;
            }
        }

        return $this->collArticleI18ns;
    }

    /**
     * Sets a collection of ArticleI18n objects related by a one-to-many relationship
     * to the current object.
     * It will also schedule objects for deletion based on a diff between old objects (aka persisted)
     * and new objects from the given Propel collection.
     *
     * @param PropelCollection $articleI18ns A Propel collection.
     * @param PropelPDO $con Optional connection object
     * @return Article The current object (for fluent API support)
     */
    public function setArticleI18ns(PropelCollection $articleI18ns, PropelPDO $con = null)
    {
        $articleI18nsToDelete = $this->getArticleI18ns(new Criteria(), $con)->diff($articleI18ns);


        //since at least one column in the foreign key is at the same time a PK
        //we can not just set a PK to NULL in the lines below. We have to store
        //a backup of all values, so we are able to manipulate these items based on the onDelete value later.
        $this->articleI18nsScheduledForDeletion = clone $articleI18nsToDelete;

        foreach ($articleI18nsToDelete as $articleI18nRemoved) {
            $articleI18nRemoved->setArticle(null);
        }

        $this->collArticleI18ns = null;
        foreach ($articleI18ns as $articleI18n) {
            $this->addArticleI18n($articleI18n);
        }

        $this->collArticleI18ns = $articleI18ns;
        $this->collArticleI18nsPartial = false;

        return $this;
    }

    /**
     * Returns the number of related ArticleI18n objects.
     *
     * @param Criteria $criteria
     * @param boolean $distinct
     * @param PropelPDO $con
     * @return int             Count of related ArticleI18n objects.
     * @throws PropelException
     */
    public function countArticleI18ns(Criteria $criteria = null, $distinct = false, PropelPDO $con = null)
    {
        $partial = $this->collArticleI18nsPartial && !$this->isNew();
        if (null === $this->collArticleI18ns || null !== $criteria || $partial) {
            if ($this->isNew() && null === $this->collArticleI18ns) {
                return 0;
            }

            if ($partial && !$criteria) {
                return count($this->getArticleI18ns());
            }
            $query = ArticleI18nQuery::create(null, $criteria);
            if ($distinct) {
                $query->distinct();
            }

            return $query
                ->filterByArticle($this)
                ->count($con);
        }

        return count($this->collArticleI18ns);
    }

    /**
     * Method called to associate a ArticleI18n object to this object
     * through the ArticleI18n foreign key attribute.
     *
     * @param    ArticleI18n $l ArticleI18n
     * @return Article The current object (for fluent API support)
     */
    public function addArticleI18n(ArticleI18n $l)
    {
        if ($l && $locale = $l->getLocale()) {
            $this->setLocale($locale);
            $this->currentTranslations[$locale] = $l;
        }
        if ($this->collArticleI18ns === null) {
            $this->initArticleI18ns();
            $this->collArticleI18nsPartial = true;
        }

        if (!in_array($l, $this->collArticleI18ns->getArrayCopy(), true)) { // only add it if the **same** object is not already associated
            $this->doAddArticleI18n($l);

            if ($this->articleI18nsScheduledForDeletion and $this->articleI18nsScheduledForDeletion->contains($l)) {
                $this->articleI18nsScheduledForDeletion->remove($this->articleI18nsScheduledForDeletion->search($l));
            }
        }

        return $this;
    }

    /**
     * @param	ArticleI18n $articleI18n The articleI18n object to add.
     */
    protected function doAddArticleI18n($articleI18n)
    {
        $this->collArticleI18ns[]= $articleI18n;
        $articleI18n->setArticle($this);
    }

    /**
     * @param	ArticleI18n $articleI18n The articleI18n object to remove.
     * @return Article The current object (for fluent API support)
     */
    public function removeArticleI18n($articleI18n)
    {
        if ($this->getArticleI18ns()->contains($articleI18n)) {
            $this->collArticleI18ns->remove($this->collArticleI18ns->search($articleI18n));
            if (null === $this->articleI18nsScheduledForDeletion) {
                $this->articleI18nsScheduledForDeletion = clone $this->collArticleI18ns;
                $this->articleI18nsScheduledForDeletion->clear();
            }
            $this->articleI18nsScheduledForDeletion[]= clone $articleI18n;
            $articleI18n->setArticle(null);
        }

        return $this;
    }

    /**
     * Clears the current object and sets all attributes to their default values
     */
    public function clear()
    {
        $this->id = null;
        $this->active = null;
        $this->alias = null;
        $this->site_module_id = null;
        $this->tree_left = null;
        $this->tree_right = null;
        $this->tree_level = null;
        $this->alreadyInSave = false;
        $this->alreadyInValidation = false;
        $this->alreadyInClearAllReferencesDeep = false;
        $this->clearAllReferences();
        $this->resetModified();
        $this->setNew(true);
        $this->setDeleted(false);
    }

    /**
     * Resets all references to other model objects or collections of model objects.
     *
     * This method is a user-space workaround for PHP's inability to garbage collect
     * objects with circular references (even in PHP 5.3). This is currently necessary
     * when using Propel in certain daemon or large-volume/high-memory operations.
     *
     * @param boolean $deep Whether to also clear the references on all referrer objects.
     */
    public function clearAllReferences($deep = false)
    {
        if ($deep && !$this->alreadyInClearAllReferencesDeep) {
            $this->alreadyInClearAllReferencesDeep = true;
            if ($this->collArticleI18ns) {
                foreach ($this->collArticleI18ns as $o) {
                    $o->clearAllReferences($deep);
                }
            }
            if ($this->aSiteModule instanceof Persistent) {
              $this->aSiteModule->clearAllReferences($deep);
            }

            $this->alreadyInClearAllReferencesDeep = false;
        } // if ($deep)

        // nested_set behavior
        $this->collNestedSetChildren = null;
        $this->aNestedSetParent = null;
        // i18n behavior
        $this->currentLocale = 'en_US';
        $this->currentTranslations = null;

        if ($this->collArticleI18ns instanceof PropelCollection) {
            $this->collArticleI18ns->clearIterator();
        }
        $this->collArticleI18ns = null;
        $this->aSiteModule = null;
    }

    /**
     * return the string representation of this object
     *
     * @return string
     */
    public function __toString()
    {
        return (string) $this->exportTo(ArticlePeer::DEFAULT_STRING_FORMAT);
    }

    /**
     * return true is the object is in saving state
     *
     * @return boolean
     */
    public function isAlreadyInSave()
    {
        return $this->alreadyInSave;
    }

    // nested_set behavior

    /**
     * Execute queries that were saved to be run inside the save transaction
     */
    protected function processNestedSetQueries($con)
    {
        foreach ($this->nestedSetQueries as $query) {
            $query['arguments'][]= $con;
            call_user_func_array($query['callable'], $query['arguments']);
        }
        $this->nestedSetQueries = array();
    }

    /**
     * Proxy getter method for the left value of the nested set model.
     * It provides a generic way to get the value, whatever the actual column name is.
     *
     * @return     int The nested set left value
     */
    public function getLeftValue()
    {
        return $this->tree_left;
    }

    /**
     * Proxy getter method for the right value of the nested set model.
     * It provides a generic way to get the value, whatever the actual column name is.
     *
     * @return     int The nested set right value
     */
    public function getRightValue()
    {
        return $this->tree_right;
    }

    /**
     * Proxy getter method for the level value of the nested set model.
     * It provides a generic way to get the value, whatever the actual column name is.
     *
     * @return     int The nested set level value
     */
    public function getLevel()
    {
        return $this->tree_level;
    }

    /**
     * Proxy setter method for the left value of the nested set model.
     * It provides a generic way to set the value, whatever the actual column name is.
     *
     * @param      int $v The nested set left value
     * @return     Article The current object (for fluent API support)
     */
    public function setLeftValue($v)
    {
        return $this->setTreeLeft($v);
    }

    /**
     * Proxy setter method for the right value of the nested set model.
     * It provides a generic way to set the value, whatever the actual column name is.
     *
     * @param      int $v The nested set right value
     * @return     Article The current object (for fluent API support)
     */
    public function setRightValue($v)
    {
        return $this->setTreeRight($v);
    }

    /**
     * Proxy setter method for the level value of the nested set model.
     * It provides a generic way to set the value, whatever the actual column name is.
     *
     * @param      int $v The nested set level value
     * @return     Article The current object (for fluent API support)
     */
    public function setLevel($v)
    {
        return $this->setTreeLevel($v);
    }

    /**
     * Creates the supplied node as the root node.
     *
     * @return     Article The current object (for fluent API support)
     * @throws     PropelException
     */
    public function makeRoot()
    {
        if ($this->getLeftValue() || $this->getRightValue()) {
            throw new PropelException('Cannot turn an existing node into a root node.');
        }

        $this->setLeftValue(1);
        $this->setRightValue(2);
        $this->setLevel(0);

        return $this;
    }

    /**
     * Tests if onbject is a node, i.e. if it is inserted in the tree
     *
     * @return     bool
     */
    public function isInTree()
    {
        return $this->getLeftValue() > 0 && $this->getRightValue() > $this->getLeftValue();
    }

    /**
     * Tests if node is a root
     *
     * @return     bool
     */
    public function isRoot()
    {
        return $this->isInTree() && $this->getLeftValue() == 1;
    }

    /**
     * Tests if node is a leaf
     *
     * @return     bool
     */
    public function isLeaf()
    {
        return $this->isInTree() &&  ($this->getRightValue() - $this->getLeftValue()) == 1;
    }

    /**
     * Tests if node is a descendant of another node
     *
     * @param      Article $node Propel node object
     * @return     bool
     */
    public function isDescendantOf($parent)
    {

        return $this->isInTree() && $this->getLeftValue() > $parent->getLeftValue() && $this->getRightValue() < $parent->getRightValue();
    }

    /**
     * Tests if node is a ancestor of another node
     *
     * @param      Article $node Propel node object
     * @return     bool
     */
    public function isAncestorOf($child)
    {
        return $child->isDescendantOf($this);
    }

    /**
     * Tests if object has an ancestor
     *
     * @param      PropelPDO $con Connection to use.
     * @return     bool
     */
    public function hasParent(PropelPDO $con = null)
    {
        return $this->getLevel() > 0;
    }

    /**
     * Sets the cache for parent node of the current object.
     * Warning: this does not move the current object in the tree.
     * Use moveTofirstChildOf() or moveToLastChildOf() for that purpose
     *
     * @param      Article $parent
     * @return     Article The current object, for fluid interface
     */
    public function setParent($parent = null)
    {
        $this->aNestedSetParent = $parent;

        return $this;
    }

    /**
     * Gets parent node for the current object if it exists
     * The result is cached so further calls to the same method don't issue any queries
     *
     * @param      PropelPDO $con Connection to use.
     * @return     mixed 		Propel object if exists else false
     */
    public function getParent(PropelPDO $con = null)
    {
        if ($this->aNestedSetParent === null && $this->hasParent()) {
            $this->aNestedSetParent = ArticleQuery::create()
                ->ancestorsOf($this)
                ->orderByLevel(true)
                ->findOne($con);
        }

        return $this->aNestedSetParent;
    }

    /**
     * Determines if the node has previous sibling
     *
     * @param      PropelPDO $con Connection to use.
     * @return     bool
     */
    public function hasPrevSibling(PropelPDO $con = null)
    {
        if (!ArticlePeer::isValid($this)) {
            return false;
        }

        return ArticleQuery::create()
            ->filterByTreeRight($this->getLeftValue() - 1)
            ->count($con) > 0;
    }

    /**
     * Gets previous sibling for the given node if it exists
     *
     * @param      PropelPDO $con Connection to use.
     * @return     mixed 		Propel object if exists else false
     */
    public function getPrevSibling(PropelPDO $con = null)
    {
        return ArticleQuery::create()
            ->filterByTreeRight($this->getLeftValue() - 1)
            ->findOne($con);
    }

    /**
     * Determines if the node has next sibling
     *
     * @param      PropelPDO $con Connection to use.
     * @return     bool
     */
    public function hasNextSibling(PropelPDO $con = null)
    {
        if (!ArticlePeer::isValid($this)) {
            return false;
        }

        return ArticleQuery::create()
            ->filterByTreeLeft($this->getRightValue() + 1)
            ->count($con) > 0;
    }

    /**
     * Gets next sibling for the given node if it exists
     *
     * @param      PropelPDO $con Connection to use.
     * @return     mixed 		Propel object if exists else false
     */
    public function getNextSibling(PropelPDO $con = null)
    {
        return ArticleQuery::create()
            ->filterByTreeLeft($this->getRightValue() + 1)
            ->findOne($con);
    }

    /**
     * Clears out the $collNestedSetChildren collection
     *
     * This does not modify the database; however, it will remove any associated objects, causing
     * them to be refetched by subsequent calls to accessor method.
     *
     * @return     void
     */
    public function clearNestedSetChildren()
    {
        $this->collNestedSetChildren = null;
    }

    /**
     * Initializes the $collNestedSetChildren collection.
     *
     * @return     void
     */
    public function initNestedSetChildren()
    {
        $this->collNestedSetChildren = new PropelObjectCollection();
        $this->collNestedSetChildren->setModel('Article');
    }

    /**
     * Adds an element to the internal $collNestedSetChildren collection.
     * Beware that this doesn't insert a node in the tree.
     * This method is only used to facilitate children hydration.
     *
     * @param      Article $article
     *
     * @return     void
     */
    public function addNestedSetChild($article)
    {
        if ($this->collNestedSetChildren === null) {
            $this->initNestedSetChildren();
        }
        if (!in_array($article, $this->collNestedSetChildren->getArrayCopy(), true)) { // only add it if the **same** object is not already associated
            $this->collNestedSetChildren[]= $article;
            $article->setParent($this);
        }
    }

    /**
     * Tests if node has children
     *
     * @return     bool
     */
    public function hasChildren()
    {
        return ($this->getRightValue() - $this->getLeftValue()) > 1;
    }

    /**
     * Gets the children of the given node
     *
     * @param      Criteria  $criteria Criteria to filter results.
     * @param      PropelPDO $con Connection to use.
     * @return     array     List of Article objects
     */
    public function getChildren($criteria = null, PropelPDO $con = null)
    {
        if (null === $this->collNestedSetChildren || null !== $criteria) {
            if ($this->isLeaf() || ($this->isNew() && null === $this->collNestedSetChildren)) {
                // return empty collection
                $this->initNestedSetChildren();
            } else {
                $collNestedSetChildren = ArticleQuery::create(null, $criteria)
                  ->childrenOf($this)
                  ->orderByBranch()
                    ->find($con);
                if (null !== $criteria) {
                    return $collNestedSetChildren;
                }
                $this->collNestedSetChildren = $collNestedSetChildren;
            }
        }

        return $this->collNestedSetChildren;
    }

    /**
     * Gets number of children for the given node
     *
     * @param      Criteria  $criteria Criteria to filter results.
     * @param      PropelPDO $con Connection to use.
     * @return     int       Number of children
     */
    public function countChildren($criteria = null, PropelPDO $con = null)
    {
        if (null === $this->collNestedSetChildren || null !== $criteria) {
            if ($this->isLeaf() || ($this->isNew() && null === $this->collNestedSetChildren)) {
                return 0;
            } else {
                return ArticleQuery::create(null, $criteria)
                    ->childrenOf($this)
                    ->count($con);
            }
        } else {
            return count($this->collNestedSetChildren);
        }
    }

    /**
     * Gets the first child of the given node
     *
     * @param      Criteria $query Criteria to filter results.
     * @param      PropelPDO $con Connection to use.
     * @return     array 		List of Article objects
     */
    public function getFirstChild($query = null, PropelPDO $con = null)
    {
        if ($this->isLeaf()) {
            return array();
        } else {
            return ArticleQuery::create(null, $query)
                ->childrenOf($this)
                ->orderByBranch()
                ->findOne($con);
        }
    }

    /**
     * Gets the last child of the given node
     *
     * @param      Criteria $query Criteria to filter results.
     * @param      PropelPDO $con Connection to use.
     * @return     array 		List of Article objects
     */
    public function getLastChild($query = null, PropelPDO $con = null)
    {
        if ($this->isLeaf()) {
            return array();
        } else {
            return ArticleQuery::create(null, $query)
                ->childrenOf($this)
                ->orderByBranch(true)
                ->findOne($con);
        }
    }

    /**
     * Gets the siblings of the given node
     *
     * @param      bool			$includeNode Whether to include the current node or not
     * @param      Criteria $query Criteria to filter results.
     * @param      PropelPDO $con Connection to use.
     *
     * @return     array 		List of Article objects
     */
    public function getSiblings($includeNode = false, $query = null, PropelPDO $con = null)
    {
        if ($this->isRoot()) {
            return array();
        } else {
             $query = ArticleQuery::create(null, $query)
                    ->childrenOf($this->getParent($con))
                    ->orderByBranch();
            if (!$includeNode) {
                $query->prune($this);
            }

            return $query->find($con);
        }
    }

    /**
     * Gets descendants for the given node
     *
     * @param      Criteria $query Criteria to filter results.
     * @param      PropelPDO $con Connection to use.
     * @return     array 		List of Article objects
     */
    public function getDescendants($query = null, PropelPDO $con = null)
    {
        if ($this->isLeaf()) {
            return array();
        } else {
            return ArticleQuery::create(null, $query)
                ->descendantsOf($this)
                ->orderByBranch()
                ->find($con);
        }
    }

    /**
     * Gets number of descendants for the given node
     *
     * @param      Criteria $query Criteria to filter results.
     * @param      PropelPDO $con Connection to use.
     * @return     int 		Number of descendants
     */
    public function countDescendants($query = null, PropelPDO $con = null)
    {
        if ($this->isLeaf()) {
            // save one query
            return 0;
        } else {
            return ArticleQuery::create(null, $query)
                ->descendantsOf($this)
                ->count($con);
        }
    }

    /**
     * Gets descendants for the given node, plus the current node
     *
     * @param      Criteria $query Criteria to filter results.
     * @param      PropelPDO $con Connection to use.
     * @return     array 		List of Article objects
     */
    public function getBranch($query = null, PropelPDO $con = null)
    {
        return ArticleQuery::create(null, $query)
            ->branchOf($this)
            ->orderByBranch()
            ->find($con);
    }

    /**
     * Gets ancestors for the given node, starting with the root node
     * Use it for breadcrumb paths for instance
     *
     * @param      Criteria $query Criteria to filter results.
     * @param      PropelPDO $con Connection to use.
     * @return     array 		List of Article objects
     */
    public function getAncestors($query = null, PropelPDO $con = null)
    {
        if ($this->isRoot()) {
            // save one query
            return array();
        } else {
            return ArticleQuery::create(null, $query)
                ->ancestorsOf($this)
                ->orderByBranch()
                ->find($con);
        }
    }

    /**
     * Inserts the given $child node as first child of current
     * The modifications in the current object and the tree
     * are not persisted until the child object is saved.
     *
     * @param      Article $child	Propel object for child node
     *
     * @return     Article The current Propel object
     */
    public function addChild(Article $child)
    {
        if ($this->isNew()) {
            throw new PropelException('A Article object must not be new to accept children.');
        }
        $child->insertAsFirstChildOf($this);

        return $this;
    }

    /**
     * Inserts the current node as first child of given $parent node
     * The modifications in the current object and the tree
     * are not persisted until the current object is saved.
     *
     * @param      Article $parent	Propel object for parent node
     *
     * @return     Article The current Propel object
     */
    public function insertAsFirstChildOf($parent)
    {
        if ($this->isInTree()) {
            throw new PropelException('A Article object must not already be in the tree to be inserted. Use the moveToFirstChildOf() instead.');
        }
        $left = $parent->getLeftValue() + 1;
        // Update node properties
        $this->setLeftValue($left);
        $this->setRightValue($left + 1);
        $this->setLevel($parent->getLevel() + 1);
        // update the children collection of the parent
        $parent->addNestedSetChild($this);

        // Keep the tree modification query for the save() transaction
        $this->nestedSetQueries []= array(
            'callable'  => array('\\Artsofte\MainBundle\Model\\ArticlePeer', 'makeRoomForLeaf'),
            'arguments' => array($left, $this->isNew() ? null : $this)
        );

        return $this;
    }

    /**
     * Inserts the current node as last child of given $parent node
     * The modifications in the current object and the tree
     * are not persisted until the current object is saved.
     *
     * @param      Article $parent	Propel object for parent node
     *
     * @return     Article The current Propel object
     */
    public function insertAsLastChildOf($parent)
    {
        if ($this->isInTree()) {
            throw new PropelException('A Article object must not already be in the tree to be inserted. Use the moveToLastChildOf() instead.');
        }
        $left = $parent->getRightValue();
        // Update node properties
        $this->setLeftValue($left);
        $this->setRightValue($left + 1);
        $this->setLevel($parent->getLevel() + 1);
        // update the children collection of the parent
        $parent->addNestedSetChild($this);

        // Keep the tree modification query for the save() transaction
        $this->nestedSetQueries []= array(
            'callable'  => array('\\Artsofte\MainBundle\Model\\ArticlePeer', 'makeRoomForLeaf'),
            'arguments' => array($left, $this->isNew() ? null : $this)
        );

        return $this;
    }

    /**
     * Inserts the current node as prev sibling given $sibling node
     * The modifications in the current object and the tree
     * are not persisted until the current object is saved.
     *
     * @param      Article $sibling	Propel object for parent node
     *
     * @return     Article The current Propel object
     */
    public function insertAsPrevSiblingOf($sibling)
    {
        if ($this->isInTree()) {
            throw new PropelException('A Article object must not already be in the tree to be inserted. Use the moveToPrevSiblingOf() instead.');
        }
        $left = $sibling->getLeftValue();
        // Update node properties
        $this->setLeftValue($left);
        $this->setRightValue($left + 1);
        $this->setLevel($sibling->getLevel());
        // Keep the tree modification query for the save() transaction
        $this->nestedSetQueries []= array(
            'callable'  => array('\\Artsofte\MainBundle\Model\\ArticlePeer', 'makeRoomForLeaf'),
            'arguments' => array($left, $this->isNew() ? null : $this)
        );

        return $this;
    }

    /**
     * Inserts the current node as next sibling given $sibling node
     * The modifications in the current object and the tree
     * are not persisted until the current object is saved.
     *
     * @param      Article $sibling	Propel object for parent node
     *
     * @return     Article The current Propel object
     */
    public function insertAsNextSiblingOf($sibling)
    {
        if ($this->isInTree()) {
            throw new PropelException('A Article object must not already be in the tree to be inserted. Use the moveToNextSiblingOf() instead.');
        }
        $left = $sibling->getRightValue() + 1;
        // Update node properties
        $this->setLeftValue($left);
        $this->setRightValue($left + 1);
        $this->setLevel($sibling->getLevel());
        // Keep the tree modification query for the save() transaction
        $this->nestedSetQueries []= array(
            'callable'  => array('\\Artsofte\MainBundle\Model\\ArticlePeer', 'makeRoomForLeaf'),
            'arguments' => array($left, $this->isNew() ? null : $this)
        );

        return $this;
    }

    /**
     * Moves current node and its subtree to be the first child of $parent
     * The modifications in the current object and the tree are immediate
     *
     * @param      Article $parent	Propel object for parent node
     * @param      PropelPDO $con	Connection to use.
     *
     * @return     Article The current Propel object
     */
    public function moveToFirstChildOf($parent, PropelPDO $con = null)
    {
        if (!$this->isInTree()) {
            throw new PropelException('A Article object must be already in the tree to be moved. Use the insertAsFirstChildOf() instead.');
        }
        if ($parent->isDescendantOf($this)) {
            throw new PropelException('Cannot move a node as child of one of its subtree nodes.');
        }

        $this->moveSubtreeTo($parent->getLeftValue() + 1, $parent->getLevel() - $this->getLevel() + 1, $con);

        return $this;
    }

    /**
     * Moves current node and its subtree to be the last child of $parent
     * The modifications in the current object and the tree are immediate
     *
     * @param      Article $parent	Propel object for parent node
     * @param      PropelPDO $con	Connection to use.
     *
     * @return     Article The current Propel object
     */
    public function moveToLastChildOf($parent, PropelPDO $con = null)
    {
        if (!$this->isInTree()) {
            throw new PropelException('A Article object must be already in the tree to be moved. Use the insertAsLastChildOf() instead.');
        }
        if ($parent->isDescendantOf($this)) {
            throw new PropelException('Cannot move a node as child of one of its subtree nodes.');
        }

        $this->moveSubtreeTo($parent->getRightValue(), $parent->getLevel() - $this->getLevel() + 1, $con);

        return $this;
    }

    /**
     * Moves current node and its subtree to be the previous sibling of $sibling
     * The modifications in the current object and the tree are immediate
     *
     * @param      Article $sibling	Propel object for sibling node
     * @param      PropelPDO $con	Connection to use.
     *
     * @return     Article The current Propel object
     */
    public function moveToPrevSiblingOf($sibling, PropelPDO $con = null)
    {
        if (!$this->isInTree()) {
            throw new PropelException('A Article object must be already in the tree to be moved. Use the insertAsPrevSiblingOf() instead.');
        }
        if ($sibling->isRoot()) {
            throw new PropelException('Cannot move to previous sibling of a root node.');
        }
        if ($sibling->isDescendantOf($this)) {
            throw new PropelException('Cannot move a node as sibling of one of its subtree nodes.');
        }

        $this->moveSubtreeTo($sibling->getLeftValue(), $sibling->getLevel() - $this->getLevel(), $con);

        return $this;
    }

    /**
     * Moves current node and its subtree to be the next sibling of $sibling
     * The modifications in the current object and the tree are immediate
     *
     * @param      Article $sibling	Propel object for sibling node
     * @param      PropelPDO $con	Connection to use.
     *
     * @return     Article The current Propel object
     */
    public function moveToNextSiblingOf($sibling, PropelPDO $con = null)
    {
        if (!$this->isInTree()) {
            throw new PropelException('A Article object must be already in the tree to be moved. Use the insertAsNextSiblingOf() instead.');
        }
        if ($sibling->isRoot()) {
            throw new PropelException('Cannot move to next sibling of a root node.');
        }
        if ($sibling->isDescendantOf($this)) {
            throw new PropelException('Cannot move a node as sibling of one of its subtree nodes.');
        }

        $this->moveSubtreeTo($sibling->getRightValue() + 1, $sibling->getLevel() - $this->getLevel(), $con);

        return $this;
    }

    /**
     * Move current node and its children to location $destLeft and updates rest of tree
     *
     * @param      int	$destLeft Destination left value
     * @param      int	$levelDelta Delta to add to the levels
     * @param      PropelPDO $con		Connection to use.
     */
    protected function moveSubtreeTo($destLeft, $levelDelta, PropelPDO $con = null)
    {
        $preventDefault = false;
        $left  = $this->getLeftValue();
        $right = $this->getRightValue();


        $treeSize = $right - $left +1;

        if ($con === null) {
            $con = Propel::getConnection(ArticlePeer::DATABASE_NAME, Propel::CONNECTION_WRITE);
        }

        $con->beginTransaction();
        try {

            // make room next to the target for the subtree
            ArticlePeer::shiftRLValues($treeSize, $destLeft, null, $con);



            if (!$preventDefault) {


                if ($left >= $destLeft) { // src was shifted too?
                    $left += $treeSize;
                    $right += $treeSize;
                }

                if ($levelDelta) {
                    // update the levels of the subtree
                    ArticlePeer::shiftLevel($levelDelta, $left, $right, $con);
                }

                // move the subtree to the target
                ArticlePeer::shiftRLValues($destLeft - $left, $left, $right, $con);
            }

            // remove the empty room at the previous location of the subtree
            ArticlePeer::shiftRLValues(-$treeSize, $right + 1, null, $con);

            // update all loaded nodes
            ArticlePeer::updateLoadedNodes(null, $con);

            $con->commit();
        } catch (Exception $e) {
            $con->rollback();
            throw $e;
        }
    }

    /**
     * Deletes all descendants for the given node
     * Instance pooling is wiped out by this command,
     * so existing Article instances are probably invalid (except for the current one)
     *
     * @param      PropelPDO $con Connection to use.
     *
     * @return     int 		number of deleted nodes
     */
    public function deleteDescendants(PropelPDO $con = null)
    {
        if ($this->isLeaf()) {
            // save one query
            return;
        }
        if ($con === null) {
            $con = Propel::getConnection(ArticlePeer::DATABASE_NAME, Propel::CONNECTION_READ);
        }
        $left = $this->getLeftValue();
        $right = $this->getRightValue();
        $con->beginTransaction();
        try {
            // delete descendant nodes (will empty the instance pool)
            $ret = ArticleQuery::create()
                ->descendantsOf($this)
                ->delete($con);

            // fill up the room that was used by descendants
            ArticlePeer::shiftRLValues($left - $right + 1, $right, null, $con);

            // fix the right value for the current node, which is now a leaf
            $this->setRightValue($left + 1);

            $con->commit();
        } catch (Exception $e) {
            $con->rollback();
            throw $e;
        }

        return $ret;
    }

    /**
     * Returns a pre-order iterator for this node and its children.
     *
     * @return     RecursiveIterator
     */
    public function getIterator()
    {
        return new NestedSetRecursiveIterator($this);
    }

    // i18n behavior

    /**
     * Sets the locale for translations
     *
     * @param     string $locale Locale to use for the translation, e.g. 'fr_FR'
     *
     * @return    Article The current object (for fluent API support)
     */
    public function setLocale($locale = 'en_US')
    {
        $this->currentLocale = $locale;

        return $this;
    }

    /**
     * Gets the locale for translations
     *
     * @return    string $locale Locale to use for the translation, e.g. 'fr_FR'
     */
    public function getLocale()
    {
        return $this->currentLocale;
    }

    /**
     * Returns the current translation for a given locale
     *
     * @param     string $locale Locale to use for the translation, e.g. 'fr_FR'
     * @param     PropelPDO $con an optional connection object
     *
     * @return ArticleI18n */
    public function getTranslation($locale = 'en_US', PropelPDO $con = null)
    {
        if (!isset($this->currentTranslations[$locale])) {
            if (null !== $this->collArticleI18ns) {
                foreach ($this->collArticleI18ns as $translation) {
                    if ($translation->getLocale() == $locale) {
                        $this->currentTranslations[$locale] = $translation;

                        return $translation;
                    }
                }
            }
            if ($this->isNew()) {
                $translation = new ArticleI18n();
                $translation->setLocale($locale);
            } else {
                $translation = ArticleI18nQuery::create()
                    ->filterByPrimaryKey(array($this->getPrimaryKey(), $locale))
                    ->findOneOrCreate($con);
                $this->currentTranslations[$locale] = $translation;
            }
            $this->addArticleI18n($translation);
        }

        return $this->currentTranslations[$locale];
    }

    /**
     * Remove the translation for a given locale
     *
     * @param     string $locale Locale to use for the translation, e.g. 'fr_FR'
     * @param     PropelPDO $con an optional connection object
     *
     * @return    Article The current object (for fluent API support)
     */
    public function removeTranslation($locale = 'en_US', PropelPDO $con = null)
    {
        if (!$this->isNew()) {
            ArticleI18nQuery::create()
                ->filterByPrimaryKey(array($this->getPrimaryKey(), $locale))
                ->delete($con);
        }
        if (isset($this->currentTranslations[$locale])) {
            unset($this->currentTranslations[$locale]);
        }
        foreach ($this->collArticleI18ns as $key => $translation) {
            if ($translation->getLocale() == $locale) {
                unset($this->collArticleI18ns[$key]);
                break;
            }
        }

        return $this;
    }

    /**
     * Returns the current translation
     *
     * @param     PropelPDO $con an optional connection object
     *
     * @return ArticleI18n */
    public function getCurrentTranslation(PropelPDO $con = null)
    {
        return $this->getTranslation($this->getLocale(), $con);
    }


        /**
         * Get the [title] column value.
         *
         * @return string
         */
        public function getTitle()
        {
        return $this->getCurrentTranslation()->getTitle();
    }


        /**
         * Set the value of [title] column.
         *
         * @param  string $v new value
         * @return ArticleI18n The current object (for fluent API support)
         */
        public function setTitle($v)
        {    $this->getCurrentTranslation()->setTitle($v);

        return $this;
    }


        /**
         * Get the [body] column value.
         *
         * @return string
         */
        public function getBody()
        {
        return $this->getCurrentTranslation()->getBody();
    }


        /**
         * Set the value of [body] column.
         *
         * @param  string $v new value
         * @return ArticleI18n The current object (for fluent API support)
         */
        public function setBody($v)
        {    $this->getCurrentTranslation()->setBody($v);

        return $this;
    }

    // artsofte_cms behavior

    /**
     * Опубликовать/распубликовать объект
     *
     */
    public function rePublic(PropelPDO $con = null)
    {
      $this->setActive(!$this->getActive());
      return $this->save($con);
    }

    /**
     * Имя класса Peer
     *
     */
    public function getClassPeer(PropelPDO $con = null)
    {
      return get_class($this->getPeer());
    }

    /**
     * Изменение порядка сортировки. Поднять вверх
     */
    public function treeUp(PropelPDO $con = null)
    {
      if($this->getParent()){
        $prev = $this->getPrevSibling();
        $this->moveToPrevSiblingOf($prev);
        $this->save();
        return true;
      }
      return false;
    }

    /**
     * Изменение порядка сортировки. Опустить вниз
     */
    public function treeDown(PropelPDO $con = null)
    {
      if($this->getParent()){
        $next = $this->getNextSibling();
        $this->moveToNextSiblingOf($next);
        $this->save();
        return true;
      }
      return false;
    }

}