PHP mpp_is_active_component函数代码示例

function mpp_group_is_gallery_enabled($group_id = false)
{
    //is groups component enabled?
    if (mpp_is_active_component('groups')) {
        $is_enabled = true;
    } else {
        $is_enabled = false;
    }
    //if component is not enabled, return false
    if (!$is_enabled) {
        return false;
    }
    if (!$group_id) {
        $group = groups_get_current_group();
        if (!empty($group)) {
            $group_id = $group->id;
        }
    }
    if (!$group_id) {
        return false;
    }
    //check for group settings
    $is_enabled = groups_get_groupmeta($group_id, '_mpp_is_enabled', true);
    //if current group has no preference set, fallback to global preference
    //this global preference can be set by visting Dashboard->MediaPress->Settings->Groups
    if (empty($is_enabled)) {
        $is_enabled = mpp_get_option('enable_group_galleries_default', 'yes');
    }
    return $is_enabled == 'yes';
}

/**
 * Are we on component gallery
 * 
 * Is gallery associated to a component(groups/events etc)
 * 
 * @return boolean
 */
function mpp_is_component_gallery()
{
    $is_gallery = false;
    if (bp_is_current_action(MPP_GALLERY_SLUG) && mpp_is_active_component(bp_current_component())) {
        $is_gallery = true;
    }
    return apply_filters('mpp_is_component_gallery', $is_gallery);
}

function mppp_group_enable_form()
{
    if (!mpp_is_active_component('groups')) {
        return;
        //do not show if gallery is not enabled for group component
    }
    ?>
    <div class="checkbox mpp-group-gallery-enable">
		<label><input type="checkbox" name="mpp-enable-gallery" id="mpp-enable-gallery" value="yes" <?php 
    echo checked(1, mpp_group_is_gallery_enabled());
    ?>
/> <?php 
    _e('Enable Gallery', 'mediapress');
    ?>
</label>
    </div>
<?php 
}

 public function update($new_instance, $old_instance)
 {
     $instance = $old_instance;
     $instance['title'] = strip_tags($new_instance['title']);
     if (mpp_is_active_component($new_instance['component'])) {
         $instance['component'] = $new_instance['component'];
     }
     if (mpp_is_active_type($new_instance['type'])) {
         $instance['type'] = $new_instance['type'];
     }
     if (mpp_is_active_status($new_instance['status'])) {
         $instance['status'] = $new_instance['status'];
     }
     $instance['per_page'] = absint($new_instance['per_page']);
     $instance['orderby'] = $new_instance['orderby'];
     $instance['order'] = $new_instance['order'];
     return $instance;
 }

function mpp_group_is_gallery_enabled($group_id = false)
{
    if (!$group_id) {
        $group = groups_get_current_group();
        if (!empty($group)) {
            $group_id = $group->id;
        }
    }
    if (!$group_id) {
        return false;
    }
    //default settings from gloabl
    $is_enabled = groups_get_groupmeta($group_id, '_mpp_is_enabled', true);
    //if not set, get the global settings
    if (empty($is_enabled)) {
        if (mpp_is_active_component('groups')) {
            $is_enabled = 'yes';
        } else {
            $is_enabled = 'no';
        }
    }
    return $is_enabled == 'yes';
    // if is_enabled is set to yes
}

/**
 * Load the Page template for MediaPress Single Sitewide Gallery
 * Looks for mediapress/default/single-gallery-$type-$status.php
 *			 mediapress/default/single-gallery-$type.php
 *			 mediapress/default/single-gallery.php
 *			 single-mpp-gallery.php
 *			 singular.php
 *			 index.php
 * in the child theme, then parent theme and finally falls back to check in wp-content/mediapress/template/mediapress/default
 * We don't provide any default copy for this as we are not going to mess with the page layout. Still, a theme developer has the choice to do it their own way
 * 	 
 * Look at template_include hook and 
 * 
 * @see get_single_template()
 * @see get_query_template()
 * 
 * @param string $template absolute path to the template file
 * @return string absolute path to the template file
 */
function mpp_filter_single_template_for_sitewide_gallery($template)
{
    //our sitewide gallery is not enabled or we are not on single sitewide gallery no need to bother
    if (!mpp_is_active_component('sitewide') || !mpp_is_sitewide_gallery_component()) {
        return $template;
    }
    $default_template = 'mediapress/default/sitewide/home.php';
    //modify it to use the current default template
    //load our template
    //should we load separate template for edit actions?
    $gallery = mpp_get_current_gallery();
    $media = mpp_get_current_media();
    $templates = array($default_template);
    /*if( $media ) {
    		
    		$type = $media->type;
    		$status = $media->status;
    		$slug =  'single-media';
    		//this is single media page
    		
    	} elseif( $gallery ) {
    		//single gallery page
    		$slug = 'single-gallery';
    		$type = $gallery->type;
    		$status = $gallery->status;
    		
    	}
    	//look inside theme's mediapress/ directory
    	$templates = $default_template . $slug . '-' . $type . '-' . $status . '.php';//single-gallery-photo-public.php/single-media-photo-public.php 
    	$templates = $default_template . $slug . '-' . $type . '.php'; //single-gallery-photo.php/single-media-photo.php 
    	$templates = $default_template . $slug . '.php'; //single-gallery.php/single-media.php 
    	*/
    //we need to locate the template and if the template is not present in the themes, we need to setup theme compat
    $located = locate_template($templates);
    if ($located) {
        //mediapress()->set_theme_compat( false );
        $template = $located;
    } else {
        //if not found, setup theme compat
        mpp_setup_sitewide_gallery_theme_compat();
    }
    return $template;
}

    public function show_status_drodown()
    {
        if (!$this->is_add_gallery() && !$this->is_edit_gallery()) {
            return;
        }
        $is_new = false;
        if ($this->is_add_gallery()) {
            $is_new = true;
        }
        global $post;
        //_prime_post_caches( (array) $id , true, true );
        $gallery = mpp_get_gallery($post);
        $component = $is_new ? '' : $gallery->component;
        $type = $is_new ? '' : $gallery->type;
        if (empty($type)) {
            $type = $this->get_editing_gallery_type();
        }
        $selected = $is_new ? mpp_get_default_status() : $gallery->status;
        if (!$component && mpp_is_active_component('sitewide')) {
            $component = 'sitewide';
        }
        ?>
		<div class='misc-status-section'>
			<label for='mpp-gallery-status'>
				<strong><?php 
        _e('Status', 'mediapress');
        ?>
</strong>
				<?php 
        mpp_status_dd(array('selected' => $selected, 'component' => $component));
        //
        ?>
			</label>
			<input type='hidden' name="mpp-gallery-component-id" value="<?php 
        echo $this->get_component_id($post->ID);
        ?>
" />
			<input type='hidden' name="mpp-gallery-type" value="<?php 
        echo $type;
        ?>
" />
			<input type='hidden' name="mpp-gallery-component" value="<?php 
        echo $component;
        ?>
" />
		</div>
					
		<?php 
    }

 /**
  * For sitewide galleries, we add rewrite end points
  * 
  * @return type
  */
 public function add_rewrite_endpoints()
 {
     if (!mpp_is_active_component('sitewide')) {
         return;
     }
     add_rewrite_endpoint('manage', EP_PERMALINK);
     add_rewrite_endpoint('media', EP_PERMALINK);
 }

 /**
  * Set up the Toolbar.
  *
  * @param array $wp_admin_nav See {BP_Component::setup_admin_bar()}
  *        for details.
  */
 public function setup_admin_bar($wp_admin_nav = array())
 {
     $bp = buddypress();
     // Menus for logged in user if the members gallery is enabled
     if (is_user_logged_in() && mpp_is_active_component('members')) {
         $component = 'members';
         $component_id = get_current_user_id();
         $gallery_link = trailingslashit(mpp_get_gallery_base_url($component, $component_id));
         $title = __('Gallery', 'mediapress');
         $my_galleries = __('My Gallery', 'mediapress');
         $create = __('Create', 'mediapress');
         // Add main mediapress menu
         $wp_admin_nav[] = array('parent' => $bp->my_account_menu_id, 'id' => 'my-account-' . $this->id, 'title' => $title, 'href' => trailingslashit($gallery_link));
         // Add main mediapress menu
         $wp_admin_nav[] = array('parent' => 'my-account-' . $this->id, 'id' => 'my-account-' . $this->id . '-my-galleries', 'title' => $my_galleries, 'href' => trailingslashit($gallery_link));
         if (mpp_user_can_create_gallery($component, $component_id)) {
             $wp_admin_nav[] = array('parent' => 'my-account-' . $this->id, 'id' => 'my-account-' . $this->id . '-create', 'title' => $create, 'href' => mpp_get_gallery_create_url($component, $component_id));
         }
     }
     parent::setup_admin_bar($wp_admin_nav);
 }

/**
 * Can the current user upload?
 * 
 * @param type $component
 * @param type $component_id
 * @param type $gallery
 * @return boolean
 */
function mpp_user_can_upload($component, $component_id, $gallery = null)
{
    if (!is_user_logged_in()) {
        return false;
    }
    $can_do = false;
    $user_id = get_current_user_id();
    if (is_super_admin()) {
        $can_do = true;
    } elseif (mediapress()->is_bp_active() && $component == 'members' && $component_id == $user_id) {
        $can_do = true;
    } elseif (mpp_is_active_component('groups') && $component == 'groups' && function_exists('groups_is_user_member') && groups_is_user_member($user_id, $component_id)) {
        $can_do = true;
    } elseif (mpp_is_active_component('sitewide') && $component == 'sitewide' && $component_id == $user_id) {
        $can_do = true;
    }
    $can_do = apply_filters('mpp_user_can_upload', $can_do, $component, $component_id, $gallery);
    return apply_filters("mpp_can_user_upload_to_{$component}", $can_do, $gallery);
}

function mpp_update_gallery($args)
{
    if (!isset($args['id'])) {
        return new WP_Error(0, __('Must provide ID to update a gallery.', 'mediapress'));
    }
    $gallery = get_post($args['id']);
    //we need meaning full error handling in future
    if (!$gallery) {
        return new WP_Error(0, __('Gallery Does not exist!', 'mediapress'));
    }
    // $gdata =  get_object_vars( $gallery );
    $gallery_data = array('id' => $gallery->ID, 'title' => $gallery->post_title, 'description' => $gallery->post_content, 'slug' => $gallery->post_name, 'creator_id' => $gallery->post_author, 'order' => $gallery->menu_order, 'component_id' => mpp_get_gallery_meta($gallery->ID, '_mpp_component_id'), 'component' => '', 'status' => '', 'type' => '', 'date_created' => '', 'date_modified' => '');
    $args = wp_parse_args($args, $gallery_data);
    extract($args);
    if (empty($id) || empty($title)) {
        return false;
    }
    //now let us check which fields need to be updated
    if ($creator_id) {
        $gallery->post_author = $creator_id;
    }
    if ($title) {
        $gallery->post_title = $title;
    }
    if ($description) {
        $gallery->post_content = $description;
    }
    if ($slug) {
        $gallery->post_name = $slug;
    }
    if ($order) {
        $gallery->menu_order = $order;
    }
    $post = get_object_vars($gallery);
    $tax = array();
    if ($component && mpp_is_active_component($component)) {
        $tax[mpp_get_component_taxname()] = mpp_underscore_it($component);
    }
    if ($type && mpp_is_active_type($type)) {
        $tax[mpp_get_type_taxname()] = mpp_underscore_it($type);
    }
    if ($status && mpp_is_active_status($status)) {
        $tax[mpp_get_status_taxname()] = mpp_underscore_it($status);
    }
    if (!empty($tax)) {
        $post['tax_input'] = $tax;
    }
    //$post['ID'] = $gallery->id;
    if (!empty($date_created)) {
        $post_data['post_date'] = $date_created;
    }
    if (!empty($date_updated)) {
        $post_data['post_modified'] = $date_updated;
    }
    $gallery_id = wp_update_post($post);
    if (is_wp_error($gallery_id)) {
        return $gallery_id;
        //error
    }
    do_action('mpp_gallery_updated', $gallery_id);
    return $gallery_id;
}

/**
 * Record Media Activity
 * 
 * It does not actually records activity, simply simulates the activity update and rest are done by the actions.php functions
 * 
 * It will be removed in future for a better record_activity method
 * @param type $args
 * @return boolean
 */
function mpp_record_activity($args = null)
{
    //if activity module is not active, why bother
    if (!bp_is_active('activity')) {
        return false;
    }
    $default = array('gallery_id' => 0, 'media_id' => 0, 'media_ids' => null, 'action' => '', 'content' => '', 'type' => '', 'component' => mpp_get_current_component(), 'component_id' => mpp_get_current_component_id(), 'user_id' => get_current_user_id(), 'status' => '');
    $args = wp_parse_args($args, $default);
    //atleast a gallery id or a media id should be given
    if (!$args['gallery_id'] && !$args['media_id'] || !mpp_is_active_component($args['component']) || !$args['component_id']) {
        return false;
    }
    $gallery_id = absint($args['gallery_id']);
    $media_id = absint($args['media_id']);
    $type = $args['type'];
    //should we validate type too?
    $hide_sitewide = 0;
    $status_object = null;
    if ($args['status']) {
        $status_object = mpp_get_status_object($args['status']);
        if ($status_object && ($status_object->activity_privacy == 'hidden' || $status_object->activity_privacy == 'onlyme')) {
            $hide_sitewide = 1;
        }
    }
    $media_ids = $args['media_ids'];
    if (!empty($media_ids) && !is_array($media_ids)) {
        $media_ids = explode(',', $media_ids);
    }
    $component = $args['component'];
    if ($component == buddypress()->members->id) {
        $component = buddypress()->activity->id;
        //for user gallery updates, let it be simple activity , do not set the component to 'members'
    }
    $activity_id = bp_activity_add(array('id' => false, 'user_id' => $args['user_id'], 'action' => $args['action'], 'content' => $args['content'], 'component' => $component, 'type' => 'mpp_media_upload', 'item_id' => absint($args['component_id']), 'secondary_item_id' => false, 'recorded_time' => bp_core_current_time(), 'hide_sitewide' => $hide_sitewide));
    if (!$activity_id) {
        return false;
        //there was a problem
    }
    //store the type of gallery activity in meta
    if ($type) {
        mpp_activity_update_activity_type($activity_id, $type);
    }
    if ($media_ids) {
        $media_ids = wp_parse_id_list($media_ids);
        mpp_activity_update_attached_media_ids($activity_id, $media_ids);
    }
    if ($gallery_id) {
        mpp_activity_update_gallery_id($activity_id, $gallery_id);
    }
    if ($media_id) {
        mpp_activity_update_media_id($activity_id, $media_id);
    }
    mpp_activity_update_context($activity_id, 'gallery');
    //save activity privacy
    if ($status_object) {
        bp_activity_update_meta($activity_id, 'activity-privacy', $status_object->activity_privacy);
    }
    return $activity_id;
}

/**
 * Add various upload icons to activity post form
 * @return type
 */
function mpp_activity_upload_buttons()
{
    if (!mpp_is_activity_upload_enabled(mpp_get_current_component())) {
        return;
    }
    //if we are here, the gallery activity stream upload is enabled,
    //let us see if we are on user profile and gallery is enabled
    if (bp_is_user() && !mpp_is_active_component('members')) {
        return;
    }
    //if we are on group page and either the group component is not enabled or gallery is not enabled for current group, do not show the icons
    if (function_exists('bp_is_group') && bp_is_group() && (!mpp_is_active_component('groups') || !(function_exists('mpp_group_is_gallery_enabled') && mpp_group_is_gallery_enabled()))) {
        return;
    }
    //for now, avoid showing it on single gallery/media activity stream
    if (mpp_is_single_gallery() || mpp_is_single_media()) {
        return;
    }
    $component = mpp_get_current_component();
    ?>
    <div id="mpp-activity-upload-buttons" class="mpp-upload-buttons">
        <?php 
    do_action("mpp_before_activity_upload_buttons");
    //allow to add more type
    ?>
        
    <?php 
    if (mpp_is_active_type('photo') && mpp_component_supports_type($component, 'photo')) {
        ?>
        <a href="#" id="mpp-photo-upload" data-media-type="photo"><img src="<?php 
        echo mediapress()->get_url() . 'assets/images/media-button-image.gif';
        ?>
"/></a>
     <?php 
    }
    ?>
        
    <?php 
    if (mpp_is_active_type('audio') && mpp_component_supports_type($component, 'audio')) {
        ?>
        <a href="#" id="mpp-audio-upload" data-media-type="audio"><img src="<?php 
        echo mediapress()->get_url() . 'assets/images/media-button-music.gif';
        ?>
"/></a>
     <?php 
    }
    ?>

     <?php 
    if (mpp_is_active_type('video') && mpp_component_supports_type($component, 'video')) {
        ?>
        <a href="#" id="mpp-video-upload"  data-media-type="video"><img src="<?php 
        echo mediapress()->get_url() . 'assets/images/media-button-video.gif';
        ?>
"/></a>
    <?php 
    }
    ?>
		
     <?php 
    if (mpp_is_active_type('doc') && mpp_component_supports_type($component, 'doc')) {
        ?>
        <a href="#" id="mpp-doc-upload"  data-media-type="doc"><img src="<?php 
        echo mediapress()->get_url() . 'assets/images/media-button-doc.png';
        ?>
" /></a>
    <?php 
    }
    ?>
		
    <?php 
    //someone please provide me doc icon and some better icons
    ?>
 
    
	<?php 
    do_action('mpp_after_activity_upload_buttons');
    //allow to add more type
    ?>

    </div>
  <?php 
}

/**
 * Handles Gallery creation on the front end in non ajax case
 * 
 * @return type
 */
function mpp_action_create_gallery()
{
    //allow gallery to be created from anywhere
    //the form must have mpp-action set and It should be set to 'create-gallery'
    if (empty($_POST['mpp-action']) || $_POST['mpp-action'] != 'create-gallery') {
        return;
    }
    $referer = wp_get_referer();
    //if we are here, It is gallery create action
    if (!wp_verify_nonce($_POST['mpp-nonce'], 'mpp-create-gallery')) {
        //add error message and return back to the old page
        mpp_add_feedback(__('Action not authorized!', 'mediapress'), 'error');
        if ($referer) {
            mpp_redirect($referer);
        }
        return;
    }
    //update it to allow passing component/id from the form
    $component = mpp_get_current_component();
    $component_id = mpp_get_current_component_id();
    //check for permission
    //we may want to allow passing of component from the form in future!
    if (!mpp_user_can_create_gallery($component, $component_id)) {
        mpp_add_feedback(__("You don't have permission to create gallery!", 'mediapress'), 'error');
        if ($referer) {
            mpp_redirect($referer);
        }
        return;
    }
    //if we are here, validate the data and let us see if we can create
    $title = $_POST['mpp-gallery-title'];
    $description = $_POST['mpp-gallery-description'];
    $type = $_POST['mpp-gallery-type'];
    $status = $_POST['mpp-gallery-status'];
    $errors = array();
    if (!mpp_is_active_status($status)) {
        $errors['status'] = __('Invalid Gallery status!', 'mediapress');
    }
    if (!mpp_is_active_type($type)) {
        $errors['type'] = __('Invalid gallery type!', 'mediapress');
    }
    //check for current component
    if (!mpp_is_active_component($component)) {
        $errors['component'] = __('Invalid gallery component!', 'mediapress');
    }
    if (empty($title)) {
        $errors['title'] = __('Title can not be empty', 'mediapress');
    }
    //give opportunity to other plugins to add their own validation errors
    $validation_errors = apply_filters('mpp-create-gallery-field-validation', $errors, $_POST);
    if (!empty($validation_errors)) {
        //let us add the validation error and return back to the earlier page
        $message = join('\\r\\n', $validation_errors);
        mpp_add_feedback($message, 'error');
        if ($referer) {
            mpp_redirect($referer);
        }
        return;
    }
    //let us create gallery
    $gallery_id = mpp_create_gallery(array('title' => $title, 'description' => $description, 'type' => $type, 'status' => $status, 'creator_id' => get_current_user_id(), 'component' => $component, 'component_id' => $component_id));
    if (!$gallery_id) {
        mpp_add_feedback(__('Unable to create gallery!', 'mediapress'), 'error');
        if ($referer) {
            mpp_redirect($referer);
        }
        return;
    }
    //if we are here, the gallery was created successfully,
    //let us redirect to the gallery_slug/manage/upload page
    $redirect_url = mpp_get_gallery_add_media_url($gallery_id);
    mpp_add_feedback(__('Gallery created successfully!', 'mediapress'));
    mpp_redirect($redirect_url);
}

 private function add_groups_panel($page)
 {
     if (!mediapress()->is_bp_active() || !mpp_is_active_component('groups')) {
         return;
     }
     $panel = $page->add_panel('groups', _x('Groups Gallery', 'Admin settings BuddyPress panel tab title', 'mediapress'));
     $this->add_type_settings($panel, 'groups');
     $this->add_gallery_views_panel($panel, 'groups');
     $panel->add_section('group-settings', _x('Group Settings', 'Admin settings section title', 'mediapress'))->add_field(array('name' => 'enable_group_galleries_default', 'label' => _x('Enable group galleries by default?', 'Admin settings group section', 'mediapress'), 'desc' => _x('If you set yes, Group galleries will be On by default for all the groups. A group admin can turn off by visiting settings though.', 'Admin settings group section', 'mediapress'), 'type' => 'radio', 'default' => 'yes', 'options' => array('yes' => _x('Yes', 'Admin settings option', 'mediapress'), 'no' => _x('No', 'Admin settings option', 'mediapress'))))->add_field(array('name' => 'contributors_can_edit', 'label' => _x('Contributors can edit their own media?', 'Admin settings group section', 'mediapress'), 'type' => 'radio', 'default' => 1, 'options' => array(1 => _x('Yes', 'Admin settings option', 'mediapress'), 0 => _x('No', 'Admin settings option', 'mediapress'))))->add_field(array('name' => 'contributors_can_delete', 'label' => _x('Contributors can delete their own media?', 'Admin settings group section', 'mediapress'), 'type' => 'radio', 'default' => 1, 'options' => array(1 => _x('Yes', 'Admin settings option', 'mediapress'), 0 => _x('No', 'Admin settings option', 'mediapress'))));
 }