<?php

/* *************************************************** */
/* Panel content */
/* *************************************************** */

/**
 * Defines the panel content for this module. 
 * @return array
 *   array has a key which will be used as a function call and a title
 */
function mymod_panels_content_define() {
	$items = array(
	  'mymod_item_1' => t('This is pane one'),
	  'mymod_item_2' => t('This is pane two'),
	);
	return $items;
}


/**
 * display the content for item 1
 * @param array $conf
 * @return string 
 *   html return
 */
function theme_mymod_item_1($conf) {
	return "my module item 1 theme function output";  
}

/**
 * display the content for item 2
 * @param array $conf
 * @return string 
 *   html return
 */
function theme_mymod_item_2($conf) {
	return "my module item 2 theme function output";  
}


/* *************************************************** */
/* Panels hooks */
/* *************************************************** */

/**
 * Callback function to supply a list of content types.
 * @return array
 */
function mymod_panels_panels_content_types() {
  $items['mymod panes'] = array(
    'title' => t('My Module panes'),
    'content_types' => 'mymod_panels_admin_content_types',
    'title callback' => 'mymod_panels_admin_title',
    'add callback' => 'mymod_panels_admin_add',
    'render callback' => 'mymod_panels_content',
  );
  return $items;
}


/**
 * Return all block content types available.
 * @return array
 */
function mymod_panels_admin_content_types() {
  $types = array();
  foreach (mymod_panels_content_define() as $id => $title) {
    $info = array(
      'title' => $title,
      'category' => array(t('My Module panes')),
      'icon' => drupal_get_path('module', 'mymod_panels') .'/images/mymod.gif',
      'id' => $id,
    );
    $types["mymod_panels-$id"] = $info;  
  }
  return $types;
}


/**
 * Returns the form for a new block.
 * @return array
 *  drupal form array
 */
function mymod_panels_admin_add($id, $parents, $conf = array()) {
	list($conf['module'], $conf['delta']) = explode('-', $id, 2);
	$form['module'] = array(
    '#type' => 'value',
    '#value' => $conf['module'],
  );
  $form['delta'] = array(
    '#type' => 'value',
    '#value' => $conf['delta'],
  );
  return $form;
}


/**
 * call the content to generate for the pane in question
 * calls a theme(module_name_pane_name, $conf);
 * @param array $conf
 * @return object
 */
function mymod_panels_content($conf) {
	$function = $conf['module'] .'_'. $conf['delta'];
  $block = new stdClass();
	$block->content = theme("$function", $conf);
	return $block;
}


/**
 * Returns the administrative title for a type.
 * @param array $conf
 */
function mymod_panels_admin_title($conf) {
  $panels = mymod_panels_content_define(); 
  return $panels[$conf['delta']];
}