<?php

/*
Written by Chris Jean for iThemes.com
Licensed under GPLv2

Version 1.0.5

*/

if ( ! class_exists( 'ITTabber' ) ) {
    class ITTabber extends ITCoreClass {
        var $_var = 'tabber_widget';
        var $_page_title = 'Manage Tabber Widgets';
        var $_page_var = 'tabber-widgets';
        var $_menu_title = 'Tabber Widgets';
        var $_default_menu_function = 'add_management_page';
        var $_menu_priority = '15';

        var $_global_storage = true;


        function ITTabber() {
            $this->ITCoreClass();

            $this->_file = __FILE__;

            add_action( 'wp_enqueue_scripts', array( &$this, 'enqueue_public_scripts' ) );
        }

        function init() {
            ITCoreClass::init();

            if ( ! isset( $this->_options['tabbers'] ) )
                $this->_options['tabbers'] = array();

            foreach ( (array) $this->_options['tabbers'] as $id => $tabber ) {
                for ( $counter = 1; $counter <= $tabber['num']; $counter++ ) {
                    register_sidebar( array( 'name' => "Tabber - {$tabber['name']} - {$tabber["title_$counter"]}", 'before_widget' => '<div class="tabber-widget %2$s" id="%1$s">','after_widget' => '</div>', 'before_title' => '<h5 class="tabber-widget-title">', 'after_title' => '</h5>' ) );
                }
            }

            $this->_templates_directory = dirname( __FILE__ ) . '/templates';

            if ( is_ssl() )
                $this->_plugin_url = preg_replace( '/^http:/', 'https:', $this->_plugin_url );
        }

        function contextual_help( $text, $screen ) {
/*          $text = "<h5>Get help with \"Layout Editor\"</h5>\n";
            $text .= "The Layout Editor allows you to create an unlimited variety of layout options for your site.";*/

            return $text;
        }

        function enqueue_public_scripts() {
            $styles = array();

            foreach ( (array) $this->_options['tabbers'] as $tabber )
                $styles[$tabber['template_class']] = $tabber['template_file'];

            foreach ( (array) $styles as $class => $file )
                wp_enqueue_style( "{$this->_var}-$class", "{$this->_plugin_url}/templates/$file" );
        }

        function add_admin_scripts() {
            ITCoreClass::add_admin_scripts();

            wp_enqueue_script( 'jquery' );
            wp_enqueue_script( "{$this->_var}-script", "{$this->_plugin_url}/js/editor.js" );
            wp_enqueue_script( "{$this->_var}-idtabs", "{$this->_plugin_url}/js/jquery.idTabs.min.js" );
        }

        function add_admin_styles() {
            ITCoreClass::add_admin_styles();

/*          wp_enqueue_style( "{$this->_var}-theme-options", "{$this->_plugin_url}/css/layout-editor.css" );*/
        }


        // Pages //////////////////////////////////////

        function index() {
            ITCoreClass::index();

            if ( ! empty( $_REQUEST['save'] ) )
                $this->_save_tabber();
            else if ( isset( $_REQUEST['delete'] ) )
                $this->_delete_tabber();
            else
                $this->_list_tabbers();
        }

        function _save_tabber() {
            $tabber = ITForm::get_post_data();


            foreach ( (array) $this->_options['tabbers'] as $cur_id => $cur_tabber )
                if ( ( $tabber['name'] === $cur_tabber['name'] ) && ( $_POST['id'] != $cur_id ) )
                    $this->_errors[] = 'A Tabber with that Name already exists. Please choose a unique Name.';

            if ( empty( $tabber['name'] ) )
                $this->_errors[] = "You must supply a Name";
            if ( empty( $tabber['num'] ) )
                $this->_errors[] = "You must supply the Number of Widgets";
            if ( ! is_file( "{$this->_templates_directory}/{$tabber['template_file']}" ) )
                $this->_errors[] = "The selected Template was unable to be read. Please choose another Template.";

            if ( is_numeric( $tabber['num'] ) ) {
                for ( $counter = 1; $counter <= 11; $counter++ )
                    if ( ( $counter <= $tabber['num'] ) && ( empty( $tabber["title_$counter"] ) ) )
                        $this->_errors[] = "You must supply a Tab $counter Title";
            }

            if ( ! empty( $this->_errors ) ) {
                $this->_list_tabbers();
                return;
            }


            $templates = $this->_get_templates();

            $tabber['template_name'] = $templates[$tabber['template_file']]['name'];
            $tabber['template_class'] = $templates[$tabber['template_file']]['class'];


            if ( ! isset( $_POST['id'] ) ) {
                $this->_options['tabbers'][] = $tabber;
                ITUtility::show_status_message( 'Tabber added' );
            }
            else {
                $this->_options['tabbers'][$_POST['id']] = $tabber;
                ITUtility::show_status_message( 'Tabber updated' );
            }

            $this->_save();

            unset( $_POST['id'] );
            unset( $_REQUEST['id'] );

            $this->_list_tabbers();
        }

        function _delete_tabber() {
            $tabber = $this->_options['tabbers'][$_REQUEST['delete']];

            unset( $this->_options['tabbers'][$_REQUEST['delete']] );
            $this->_save();

            ITUtility::show_status_message( "Deleted {$tabber['name']}" );

            $this->_list_tabbers();
        }

        function _list_tabbers() {
            ITUtility::require_file_once( 'it-array-sort.php' );

?>
    <?php if ( empty( $this->_errors ) && ! isset( $_REQUEST['id'] ) ) : ?>
        <div class="wrap">
            <h2>Tabber Widgets</h2>

            <?php if ( count( $this->_options['tabbers'] ) > 0 ) : ?>
                <table class="widefat">
                    <thead>
                        <tr class="thead">
                            <th>Name</th>
                            <th>Number of Widgets</th>
                            <th>Template</th>
                            <th>Tab Titles</th>
                        </tr>
                    </thead>
                    <tfoot>
                        <tr class="thead">
                            <th>Name</th>
                            <th>Number of Widgets</th>
                            <th>Template</th>
                            <th>Tab Titles</th>
                        </tr>
                    </tfoot>
                    <tbody id="tabbers">
                        <?php
                            $class = '';

                            $sort = new ITArraySort( $this->_options['tabbers'], 'name' );
                            $tabbers = $sort->get_sorted_array();
                        ?>
                        <?php foreach ( (array) $tabbers as $id => $tabber ) : ?>
                            <?php
                                $tab_titles = '';

                                for ( $counter = 1; $counter <= 11; $counter++ ) {
                                    if ( $counter <= $tabber['num'] ) {
                                        if ( ! empty( $tab_titles ) )
                                            $tab_titles .= ', ';

                                        $tab_titles .= $tabber["title_$counter"];
                                    }
                                }
                            ?>

                            <tr id="tabber-<?php echo $id; ?>"<?php echo $class; ?>>
                                <td>
                                    <strong><a class="tabber_name" href="<?php echo $this->_self_link; ?>&id=<?php echo $id; ?>" title="Modify Tabber Settings"><?php echo $tabber['name']; ?></a></strong>
                                    <div class="row-actions">
                                        <span class="edit"><a href="<?php echo $this->_self_link; ?>&id=<?php echo $id; ?>">Edit</a> | </span>
                                        <span class="delete"><a class="delete_tabber_link" href="<?php echo $this->_self_link; ?>&delete=<?php echo $id; ?>">Delete</a></span>
                                    </div>
                                </td>
                                <td><?php echo $tabber['num']; ?></td>
                                <td><?php echo $tabber['template_name']; ?></td>
                                <td><?php echo $tab_titles; ?></td>
                            </tr>
                            <?php $class = ( '' === $class ) ? ' class="alternate"' : ''; ?>
                        <?php endforeach; ?>
                    </tbody>
                </table>
            <?php endif; ?>
        </div>
    <?php endif; ?>

    <div class="wrap">
        <h2><?php echo ( ! isset( $_REQUEST['id'] ) ) ? 'Add New Tabber' : 'Modify Tabber'; ?></h2>

        <?php
            $number_widgets = array();

            for ( $num = 1; $num <= 11; $num++ )
                $number_widgets[$num] = $num;


            if ( isset( $this->_errors ) )
                foreach ( (array) $this->_errors as $error )
                    ITUtility::show_error_message( $error );


            $tabber = array();

            if ( ! empty( $this->_errors ) ) {
                $tabber = ITForm::get_post_data();

                if ( isset( $_POST['id'] ) )
                    $tabber['id'] = $_POST['id'];
            }
            else if ( isset( $_REQUEST['id'] ) ) {
                $tabber = $this->_options['tabbers'][$_REQUEST['id']];
                $tabber['id'] = $_REQUEST['id'];
            }
            else
                $tabber['num'] = 3;


            $templates = $this->_get_templates();
            $template_options = array();

            foreach ( (array) $templates as $template )
                $template_options[$template['file']] = $template['name'];

            asort( $template_options );


            $form =& new ITForm( $tabber, array( 'prefix' => $this->_var ) );
        ?>

        <?php $form->start_form(); ?>
            <table class="form-table">
                <tr><th scope="row">Name</th>
                    <td><?php $form->add_text_box( 'name', array( 'size' => 20 ) ); ?></td>
                </tr>
                <tr><th scope="row">Number of Widgets</th>
                    <td><?php $form->add_drop_down( 'num', $number_widgets ); ?></td>
                </tr>
                <tr><th scope="row">Template</th>
                    <td><?php $form->add_drop_down( 'template_file', $template_options ); ?></td>
                </tr>
                <?php for ( $count = 1; $count <= 11; $count++ ) : ?>
                    <tr id="title_input_row_<?php echo $count; ?>"><th scope="row">Tab <?php echo $count; ?> Title</th>
                        <td><?php $form->add_text_box( "title_$count", array( 'size' => 20 ) ); ?></td>
                    </tr>
                <?php endfor; ?>
            </table>

            <p class="submit">
                <?php $form->add_submit( 'save', ( ! isset( $tabber['id'] ) ) ? 'Add Tabber' : 'Update Tabber' ); ?>
            </p>

            <?php if ( isset( $tabber['id'] ) ) : ?>
                <?php $form->add_hidden_no_save( 'id', $tabber['id'] ); ?>
            <?php endif; ?>
        <?php $form->end_form(); ?>
    </div>
<?php

        }


        // Utility Functions //////////////////////////

        function _get_templates() {
            if ( isset( $this->_templates ) )
                return $this->_templates;

            $this->_templates = array();

            if ( false === ( $dir = opendir( $this->_templates_directory ) ) )
                return $this->_templates;

            while ( false !== ( $file = readdir( $dir ) ) ) {
                if ( is_dir( "{$this->_templates_directory}/$file" ) )
                    continue;
                if ( ! preg_match( '|\.css$|', $file ) )
                    continue;

                $template = $this->_get_template_data( "{$this->_templates_directory}/$file" );

                if ( is_array( $template ) )
                    $this->_templates[$template['file']] = $template;
            }

            return $this->_templates;
        }

        function _get_template_data( $file ) {
            $file_handle = fopen( $file, 'r' );
            $data = fread( $file_handle, 8192 );
            fclose( $file_handle );

            preg_match( '|Name:(.*)$|mi', $data, $name );
            preg_match( '|Class:(.*)$|mi', $data, $class );

            $name = trim( $name[1] );
            $class = trim( $class[1] );

            if ( empty( $name ) || empty( $class ) )
                return false;

            return array( 'file' => basename( $file ), 'name' => $name, 'class' => $class );
        }
    }

    new ITTabber();
}

?>