<?php

/**
 * OrangeHRM is a comprehensive Human Resource Management (HRM) System that captures
 * all the essential functionalities required for any enterprise.
 * Copyright (C) 2006 OrangeHRM Inc., http://www.orangehrm.com
 *
 * OrangeHRM is free software; you can redistribute it and/or modify it under the terms of
 * the GNU General Public License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * OrangeHRM is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program;
 * if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA  02110-1301, USA
 */
class ohrmWidgetEmployeeList extends sfWidgetForm implements ohrmEmbeddableWidget {

    private $whereClauseCondition;

    public function configure($options = array(), $attributes = array()) {

        $employeeNameList = $this->_getEmployeeList();

        $this->addOption('choices', $employeeNameList);
    }

    public function render($name, $value = null, $attributes = array(), $errors = array()) {
        $value = $value === null ? 'null' : $value;

        $options = array();

        foreach ($this->getOption('choices') as $key => $option) {
            $attributes = array('value' => self::escapeOnce($key));

            $options[] = $this->renderContentTag(
                            'option',
                            self::escapeOnce($option),
                            $attributes
            );
        }

        return $this->renderContentTag(
                'select',
                "\n" . implode("\n", $options) . "\n",
                array_merge(array('name' => $name), $attributes
        ));
    }

    /**
     * Gets all the names of available projects, including deleted projects.
     * @return array() $projectNameList
     */
    private function _getEmployeeList() {

        $employeeNameList = array();

        $userObj = sfContext::getInstance()->getUser()->getAttribute("user");
        $employeeList = $userObj->getEmployeeList();

        if ($employeeList != null) {
            foreach ($employeeList as $employee) {

                $employeeNameList[$employee->getEmpNumber()] = $employee->getEmpFirstname() . " " . $employee->getEmpLastname();
            }
        } else {
            $employeeNameList[null] = "--No Employee--";
        }

        return $employeeNameList;
    }

    /**
     * Embeds this widget into the form. Sets label and validator for this widget.
     * @param sfForm $form
     */
    public function embedWidgetIntoForm(sfForm &$form) {

        $widgetSchema = $form->getWidgetSchema();
        $widgetSchema[$this->attributes['id']] = $this;
        $label = ucwords(str_replace("_", " ", $this->attributes['id']));
        $validator = new sfValidatorString();
        if ($this->attributes['required'] == "true") {
            $label .= "<span class='required'> * </span>";
            $validator = new sfValidatorString(array('required' => true), array('required' => 'No employees added to the system'));
        }
        $widgetSchema[$this->attributes['id']]->setLabel($label);
        $form->setValidator($this->attributes['id'], $validator);
    }

    /**
     * Sets whereClauseCondition.
     * @param string $condition
     */
    public function setWhereClauseCondition($condition) {

        $this->whereClauseCondition = $condition;
    }

    /**
     * Gets whereClauseCondition. ( if whereClauseCondition is set returns that, else returns default condition )
     * @return string ( a condition )
     */
    public function getWhereClauseCondition() {

        if (isset($this->whereClauseCondition)) {
            $setCondition = $this->whereClauseCondition;
            return $setCondition;
        } else {
            $defaultCondition = "=";
            return $defaultCondition;
        }
    }

    /**
     * This method generates the where clause part.
     * @param string $fieldName
     * @param string $value
     * @return string
     */
    public function generateWhereClausePart($fieldName, $value) {

        $whereClausePart = $fieldName . " " . $this->getWhereClauseCondition() . " " . $value;

        return $whereClausePart;
    }

}

