activity 的 controller 和 view

<?php

class Activity extends MY_Controller {

   public function __construct() {

        parent::__construct();

   }

    // check the date and if valid, reformat it

    private function _check_date(&$date_str) {

        if ( ! preg_match("|([0-9]{1,2})/([0-9]{1,2})/([0-9]{4})|", $date_str)) {

            return FALSE;

        }

        $date_array = split("/", $date_str);

        $month = $date_array[0];

        $day = $date_array[1];

        $year = $date_array[2];

        if ( ! checkdate($month, $day, $year)) {

            return FALSE;

        }

        $date_str = date('Y-m-d', mktime(0, 0, 0, $month, $day, $year));

        return TRUE;

    }

        public function user_class_listing()

    {

        // if posted with a participation_type_id, set the user participation and redisplay the page

        if (isset($_POST['participation_type_id'])) {

            $this->load->model('MActivity', '', TRUE);

            $this->MActivity->set_user_participation($_POST);

            $data['success_message'] = '<p>Class activity participation successfully saved.</p>';

        }

        // if not posted, simply load the page

        $this->load->library('table');

        $this->load->model('MActivity','',TRUE);

        $data['activities'] = $this->MActivity->list_user_class_activities();

        $data['participation'] = $this->MActivity->get_participation_types();

        // display information for the view

        $data['title'] = "Classroom: Activity Listing";

        $data['headline'] = "Class Activity Listing";

        $data['include'] = 'activity_listing';

        $data['uid'] = $this->session->userdata('uid');

        $data['is_admin'] = $this->session->userdata('is_admin');

        $this->load->view('template', $data);

    }

    public function manage_class_listing()

    {

        $this->load->model('MActivity','',TRUE);

        $this->load->library('table');

        // if posted with a participation_type_id, set the user participation and redisplay the page

        if (isset($_POST['action'])) {

            $this->load->model('MActivity', '', TRUE);

            switch ($_POST['action']){

                case "save":

                    $activity_date = $_POST['activity_date'];

                    if ($this->_check_date($activity_date)) {

                        $post_data = array();

                        $post_data['master_activity_id'] = $_POST['master_activity_id'];

                        $post_data['date'] = $activity_date;

                        $this->MActivity->save_class_activity($post_data);

                        $data['success_message'] = '<p>Class activity date successfully saved.</p>';

                    } else {

                        $data['error_message'] = '<p>The date "'.$_POST['activity_date'].'" is not a valid date or date format. Data was not saved.</p>';

                    }

                    break;

                case "update":

                    $activity_date = $_POST['activity_date'];

                    if ($this->_check_date($activity_date)) {

                        $post_data = array();

                        $post_data['date'] = $activity_date;

                        $id = $_POST['class_activity_id'];

                        $this->MActivity->update_class_activity($id, $post_data);

                        $data['success_message'] = '<p>Class activity updated successfully.</p>';

                    } else {

                        $data['error_message'] = '<p>The date "'.$_POST['activity_date'].'" is not a valid date or date format. Data was not saved.</p>';

                    }

                    break;

                case "edit":

                    $master_requested_id = $_POST['master_activity_id'];

                    $requested_activity_id = $_POST['class_activity_id'];

                    $requested_activity = $this->MActivity->get_requested_class_activity($requested_activity_id);

                break;

                case "delete":

                    $this->MActivity->delete_class_activity($_POST['class_activity_id']);

                    $data['success_message'] = '<p>Class activity successfully deleted.</p>';

                    break;

            }

        }

        // if not posted, simply load the page

        // if we have a requested activity - show it before the results array

        if (isset($requested_activity_id)) {

                        $data['requested_activity'] = $requested_activity;

        } else {

            $data['requested_activity'] = NULL;

        }

        // if we have shown a requested record already, omit that from the results set

        if (isset($master_requested_id)) {

            $activities = $this->MActivity->list_class_activities($master_requested_id);

        // else omit nothing from the results set

        } else {

            $activities = $this->MActivity->list_class_activities(NULL);

        }

        // display information for the view

        $data['title'] = "Classroom: Activity Listing";

        $data['headline'] = "Master Activity Listing";

        $data['include'] = 'activity_master_listing';

        $data['uid'] = $this->session->userdata('uid');

        $data['is_admin'] = $this->session->userdata('is_admin');

        $data['activities'] = $activities;

        $this->load->view('template', $data);

    }

    public function master_delete()

    {

        $id = $this->uri->segment(3);

        $this->load->model('MActivity','',TRUE);

        $this->MActivity->delete_master_activity($id);

        redirect('activity/master_listing','refresh');

    }

}

/* End of file activity.php */

/* Location: ./system/application/controllers/acitvity.php */

<?php

    // generate HTML table from query results

        $tmpl = array (

            'table_open' => '<table>',

            'heading_row_start' => '<tr class="table_header">',

            'row_start' => '<tr class="odd_row">'

        );

        $this->table->set_template($tmpl);

        $this->table->set_empty(" ");

        $this->table->set_heading('<span class="date_column">Date</span>',

             '<span class="activity_name_column">Activity Name</span>',

             '<span class="address_column">Address</span>',

            'City', 'Your Participation');

        $table_row = array();

        foreach ($activities as $activity)

        {

            $table_row = NULL;

            $table_row[] = date('M. d, Y', strtotime($activity['date']));

            $table_row[] = htmlspecialchars($activity['name']);

            $table_row[] = htmlspecialchars($activity['address']);

            $table_row[] = htmlspecialchars($activity['city']);

            $participation_type_buttons = NULL;

            foreach ($participation as $participation_type) {

                if ((!isset($activity['participation_type_id'])) && ($participation_type['id'] == 1) OR

                    ($activity['participation_type_id'] == $participation_type['id'])) {

                    $participation_type_buttons .= '<input type="radio" name="participation_type_id" value="';

                    $participation_type_buttons .= $participation_type['id'].'" ';

                    $participation_type_buttons .= 'checked="checked" ';

                    $participation_type_buttons .= '/> ';

                    $participation_type_buttons .= '<span class="check">';

                    $participation_type_buttons .= $participation_type['name'];

                    $participation_type_buttons .= '</span> ';

                } else {

                    $participation_type_buttons .= '<input type="radio" name="participation_type_id" value="';

                    $participation_type_buttons .= $participation_type['id'].'" ';

                    $participation_type_buttons .= '/> ';

                    $participation_type_buttons .= '<span class="">';

                    $participation_type_buttons .= $participation_type['name'];

                    $participation_type_buttons .= '</span> ';

                }

            }

            $table_row[] = '<form action="" name="form_'.$activity['id'].'" method="post">'.

                '<input type="hidden" name="class_activity_id" value="'.$activity['id'].'" />'.

                '<input type="hidden" name="user_id" value="'.$this->session->userdata('uid').'" />'.

                '<span style="white-space: nowrap;">'.

                $participation_type_buttons.'  '.

                    '<a href="" onclick="document.forms[\'form_'.$activity['id'].'\'].submit();

return false;">save</a>'.

                '</span>'.

                '</form>';

            $this->table->add_row($table_row);

        }

        $activities_table = $this->table->generate();

    echo $activities_table;

/* End of file activity_listing.php */

/* Location: ./application/views/activity_listing.php */

<?php

    if (isset($requested_activity)) {

        echo '<div id="edit_activity" class="requested_activity">';

        // generate HTML table from query results

        $tmpl = array (

            'table_open' => '<table>',

            'heading_row_start' => '<tr class="table_header_edit">',

            'row_start' => '<tr class="odd_row_edit">'

        );

        $this->table->set_template($tmpl);

        $this->table->set_caption(' Edit this Activity');

        $this->table->set_empty(" ");

        $this->table->set_heading('<span class="date_column">Date</span>',

              '<span class="activity_name_column">Activity Name</span>',

              '<span class="address_column">Address</span>',

              'City', 'Details');

        $table_row = array();

        foreach ($requested_activity as $activity)

        {

            $table_row = NULL;

            $table_row[] = ''.

                '<form action="" name="form_'.$activity['master_activity_id'].'" method="post">'.

                '<input type="hidden" name="master_activity_id" value="'.$activity['master_activity_id'].'"/> '.

                '<input type="hidden" name="class_activity_id" value="'.$activity['class_activity_id'].'"/> '.

                '<input type="text" name="activity_date" size="12" value="'.

                date('m/d/Y', strtotime($activity['date'])).'"/> '.

                '<input type="hidden" name="action" value="update" /> '.

                '</form>'.

                '<span class="help-text">format: MM/DD/YYYY</span><br/>'.

                '<a href="" onclick="document.forms[\'form_'.$activity['master_activity_id'].'\'].submit(); return false;">update</a>';

            $table_row[] = $activity['name'];

            $table_row[] = $activity['address'];

            $table_row[] = $activity['city'];

            $table_row[] = $activity['details'];

            $this->table->add_row($table_row);

        }   

        $requested_activities_table = $this->table->generate();

        $this->table->clear();

        echo $requested_activities_table;

        echo '</div>';

    } // print out requested activity

    // generate HTML table from query results

    $tmpl = array (

        'table_open' => '<table>',

        'heading_row_start' => '<tr class="table_header">',

        'row_start' => '<tr class="odd_row">'

    );

    $this->table->set_template($tmpl);

    $this->table->set_caption(NULL);

    $this->table->set_empty(" ");

    $this->table->set_heading('<span class="date_column">Date</span>',

                  '<span class="activity_name_column">Activity Name</span>',

                  '<span class="address_column">Address</span>',

                  'City', 'Details');

    $table_row = array();

    foreach ($activities as $activity)

    {

        $table_row = NULL;

        // if there's a date set, show it with edit and delete links

        if ($activity['date'] != NULL) {

            $table_row[] = ''.

                '<form action="" name="form_'.$activity['master_activity_id'].'" method="post">'.

                '<strong>'.date('M. d, Y', strtotime($activity['date'])).'</strong>'.

                '<input type="hidden" name="master_activity_id" value="'.$activity['master_activity_id'].'"/> '.

                '<input type="hidden" name="class_activity_id" value="'.$activity['class_activity_id'].'"/> '.

                '<input type="hidden" name="action" value="" />'.

                '<br />'.

                '<a href="" onclick="document.forms[\'form_'.$activity['master_activity_id'].'\'].elements[\'action\'].value=\'edit\'; document.forms[\'form_'.$activity['master_activity_id'].'\'].submit(); return false;">edit</a> | '.

                '<a href="" onclick="if (confirm(\'Are you sure you want to delete the record for '.addslashes($activity['name']).'?\')) {document.forms[\'form_'.$activity['master_activity_id'].'\'].elements[\'action\'].value=\'delete\'; document.forms[\'form_'.$activity['master_activity_id'].'\'].submit();} return false;">delete</a>'.

                '</form>';

        // if there's no date set, show an input field with a submit link

        } else {

            $table_row[] = ''.

                '<form action="" name="form_'.$activity['master_activity_id'].'" method="post">'.

                '<input type="hidden" name="master_activity_id" value="'.$activity['master_activity_id'].'"/> '.

                '<input type="text" name="activity_date" size="12" /> '.

                '<input type="hidden" name="action" value="save" /> '.

                '</form>'.

                '<span class="help-text">format: MM/DD/YYYY</span><br/>'.

                '<a href="" onclick="document.forms[\'form_'.$activity['master_activity_id'].'\'].submit(); return false;">save</a>';

        }

        $table_row[] = htmlspecialchars($activity['name']);

        $table_row[] = htmlspecialchars($activity['address']);

        $table_row[] = htmlspecialchars($activity['city']);

        $table_row[] = htmlspecialchars($activity['details']);

        $this->table->add_row($table_row);

    }   

    $activities_table = $this->table->generate();

    echo $activities_table;

/* End of file activity_master_listing.php */

/* Location: ./system/application/views/activity_master_listing.php */