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<?php |
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|
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/* |
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Plugin Name: Insert Pages |
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Plugin URI: https://bitbucket.org/figureone/insert-pages |
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Description: Insert Pages lets you embed any WordPress content (e.g., pages, posts, custom post types) into other WordPress content using the Shortcode API. |
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Author: Paul Ryan |
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Version: 2.8 |
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Author URI: http://www.linkedin.com/in/paulrryan |
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License: GPL2 |
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*/ |
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|
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/* Copyright 2011 Paul Ryan (email: prar@hawaii.edu) |
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|
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License, version 2, as |
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published by the Free Software Foundation. |
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|
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This program is distributed in the hope that it will be useful, |
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but WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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GNU General Public License for more details. |
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|
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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|
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/* Shortcode Format: |
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[insert page='{slug}|{id}' display='title|link|excerpt|excerpt-only|content|all|{custom-template.php}' class='any-classes'] |
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*/ |
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|
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// Define the InsertPagesPlugin class (variables and functions) |
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if ( !class_exists( 'InsertPagesPlugin' ) ) { |
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class InsertPagesPlugin { |
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// Save the id of the page being edited |
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protected $pageID; |
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|
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// Constructor |
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public function InsertPagesPlugin() { |
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// Include the code that generates the options page. |
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require_once( dirname( __FILE__ ) . '/options.php' ); |
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} |
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|
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// Getter/Setter for pageID |
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function getPageID() { |
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return $this->pageID; |
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} |
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function setPageID( $id ) { |
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return $this->pageID = $id; |
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} |
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|
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// Action hook: Wordpress 'init' |
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function insertPages_init() { |
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add_shortcode( 'insert', array( $this, 'insertPages_handleShortcode_insert' ) ); |
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} |
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|
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// Action hook: Wordpress 'admin_init' |
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function insertPages_admin_init() { |
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// Get options set in WordPress dashboard (Settings > Insert Pages). |
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$options = get_option( 'wpip_settings' ); |
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if ( $options === FALSE ) { |
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$options = wpip_set_defaults(); |
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} |
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|
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// Add TinyMCE toolbar button filters only if current user has permissions |
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if ( current_user_can( 'edit_posts' ) && current_user_can( 'edit_pages' ) && get_user_option( 'rich_editing' )=='true' ) { |
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|
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// Register the TinyMCE toolbar button script |
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wp_enqueue_script( |
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'wpinsertpages', |
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plugins_url( '/js/wpinsertpages.js', __FILE__ ), |
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array( 'wpdialogs' ), |
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'20151022' |
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); |
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wp_localize_script( |
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'wpinsertpages', |
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'wpInsertPagesL10n', |
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array( |
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'update' => __( 'Update' ), |
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'save' => __( 'Insert Page' ), |
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'noTitle' => __( '(no title)' ), |
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'noMatchesFound' => __( 'No matches found.' ), |
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'l10n_print_after' => 'try{convertEntities(wpLinkL10n);}catch(e){};', |
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'format' => $options['wpip_format'], |
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) |
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); |
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|
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// Register the TinyMCE toolbar button styles |
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wp_enqueue_style( |
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'wpinsertpagescss', |
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plugins_url( '/css/wpinsertpages.css', __FILE__ ), |
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array( 'wp-jquery-ui-dialog' ), |
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'20151022' |
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); |
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|
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add_filter( 'mce_external_plugins', array( $this, 'insertPages_handleFilter_mceExternalPlugins' ) ); |
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add_filter( 'mce_buttons', array( $this, 'insertPages_handleFilter_mceButtons' ) ); |
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|
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//load_plugin_textdomain('insert-pages', false, dirname(plugin_basename(__FILE__)).'/languages/'); |
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} |
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|
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} |
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|
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|
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// Shortcode hook: Replace the [insert ...] shortcode with the inserted page's content |
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function insertPages_handleShortcode_insert( $atts, $content = null ) { |
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global $wp_query, $post, $wp_current_filter; |
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extract( shortcode_atts( array( |
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'page' => '0', |
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'display' => 'all', |
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'class' => '', |
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'inline' => false, |
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), $atts ) ); |
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|
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// Get options set in WordPress dashboard (Settings > Insert Pages). |
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$options = get_option( 'wpip_settings' ); |
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if ( $options === FALSE ) { |
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$options = wpip_set_defaults(); |
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} |
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|
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// Validation checks. |
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if ( $page === '0' ) { |
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return $content; |
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} |
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|
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// Trying to embed same page in itself. |
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if ( $page == $post->ID || $page == $post->post_name ) { |
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return $content; |
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} |
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|
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$should_apply_nesting_check = true; |
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/** |
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* Filter the flag indicating whether to apply deep nesting check |
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* that can prevent circular loops. Note that some use cases rely |
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* on inserting pages that themselves have inserted pages, so this |
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* check should be disabled for those individuals. |
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* |
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* @param bool $apply_the_content_filter Indicates whether to apply the_content filter. |
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*/ |
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$should_apply_nesting_check = apply_filters( 'insert_pages_apply_nesting_check', $should_apply_nesting_check ); |
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|
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// Don't allow inserted pages to be added to the_content more than once (prevent infinite loops). |
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if ( $should_apply_nesting_check ) { |
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$done = false; |
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foreach ( $wp_current_filter as $filter ) { |
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if ( 'the_content' == $filter ) { |
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if ( $done ) { |
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return $content; |
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} else { |
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$done = true; |
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} |
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} |
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} |
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} |
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|
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// Convert slugs to page IDs to standardize query_posts() lookup below. |
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if ( ! is_numeric( $page ) ) { |
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$page_object = get_page_by_path( $page, OBJECT, get_post_types() ); |
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$page = $page_object ? $page_object->ID : $page; |
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} |
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|
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if ( is_numeric( $page ) ) { |
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$args = array( |
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'p' => intval( $page ), |
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'post_type' => get_post_types(), |
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); |
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} else { |
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$args = array( |
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'name' => esc_attr( $page ), |
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'post_type' => get_post_types(), |
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); |
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} |
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|
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query_posts( $args ); |
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|
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$should_apply_the_content_filter = true; |
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/** |
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* Filter the flag indicating whether to apply the_content filter to post |
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* contents and excerpts that are being inserted. |
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* |
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* @param bool $apply_the_content_filter Indicates whether to apply the_content filter. |
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*/ |
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$should_apply_the_content_filter = apply_filters( 'insert_pages_apply_the_content_filter', $should_apply_the_content_filter ); |
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|
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$should_use_inline_wrapper = ( $inline !== false && $inline !== 'false' ) || array_search( 'inline', $atts ) === 0 || ( array_key_exists( 'wpip_wrapper', $options ) && $options['wpip_wrapper'] === 'inline' ); |
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/** |
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* Filter the flag indicating whether to wrap the inserted content in inline tags (span). |
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* |
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* @param bool $use_inline_wrapper Indicates whether to wrap the content in span tags. |
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*/ |
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$should_use_inline_wrapper = apply_filters( 'insert_pages_use_inline_wrapper', $should_use_inline_wrapper ); |
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|
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// Disable the_content filter if using inline tags, since wpautop |
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// inserts p tags and we can't have any inside inline elements. |
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if ( $should_use_inline_wrapper ) { |
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$should_apply_the_content_filter = false; |
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} |
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|
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// Start our new Loop (only iterate once). |
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if ( have_posts() ) { |
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ob_start(); // Start output buffering so we can save the output to string |
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|
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// If Beaver Builder plugin is enabled, load any cached styles associated with the inserted page. |
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// Note: Temporarily set the global $post->ID to the inserted page ID, |
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// since Beaver Builder relies on it to load the appropraite styles. |
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if ( class_exists( 'FLBuilder' ) ) { |
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$old_post_id = $post->ID; |
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$post->ID = $page; |
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FLBuilder::enqueue_layout_styles_scripts( $page ); |
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$post->ID = $old_post_id; |
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} |
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|
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// Show either the title, link, content, everything, or everything via a custom template |
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// Note: if the sharing_display filter exists, it means Jetpack is installed and Sharing is enabled; |
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// This plugin conflicts with Sharing, because Sharing assumes the_content and the_excerpt filters |
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// are only getting called once. The fix here is to disable processing of filters on the_content in |
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// the inserted page. @see https://codex.wordpress.org/Function_Reference/the_content#Alternative_Usage |
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switch ( $display ) { |
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case "title": |
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the_post(); |
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$title_tag = $should_use_inline_wrapper ? 'span' : 'h1'; |
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echo "<$title_tag class='insert-page-title'>"; |
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the_title(); |
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echo "</$title_tag>"; |
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break; |
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case "link": |
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the_post(); |
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?><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a><?php |
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break; |
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case "excerpt": |
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the_post(); |
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?><h1><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></h1><?php |
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if ( $should_apply_the_content_filter ) the_excerpt(); else echo get_the_excerpt(); |
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break; |
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case "excerpt-only": |
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the_post(); |
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if ( $should_apply_the_content_filter ) the_excerpt(); else echo get_the_excerpt(); |
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break; |
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case "content": |
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the_post(); |
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if ( $should_apply_the_content_filter ) the_content(); else echo get_the_content(); |
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break; |
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case "all": |
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the_post(); |
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$title_tag = $should_use_inline_wrapper ? 'span' : 'h1'; |
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echo "<$title_tag class='insert-page-title'>"; |
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the_title(); |
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echo "</$title_tag>"; |
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if ( $should_apply_the_content_filter ) the_content(); else echo get_the_content(); |
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the_meta(); |
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break; |
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default: // display is either invalid, or contains a template file to use |
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$template = locate_template( $display ); |
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if ( strlen( $template ) > 0 ) { |
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include $template; // execute the template code |
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} else { // Couldn't find template, so fall back to printing a link to the page. |
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the_post(); |
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?><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a><?php |
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} |
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break; |
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} |
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|
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$content = ob_get_contents(); // Save off output buffer |
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ob_end_clean(); // End output buffering |
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} else { |
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/** |
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* Filter the html that should be displayed if an inserted page was not found. |
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* |
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* @param string $content html to be displayed. Defaults to an empty string. |
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*/ |
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$content = apply_filters( 'insert_pages_not_found_message', $content ); |
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} |
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|
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wp_reset_query(); |
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|
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$wrapper_tag = $should_use_inline_wrapper ? 'span' : 'div'; |
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$content = "<$wrapper_tag data-post-id='$page' class='insert-page insert-page-$page $class'>$content</$wrapper_tag>"; |
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return $content; |
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//return do_shortcode($content); // careful: watch for infinite loops with nested inserts |
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} |
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|
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|
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// Filter hook: Add a button to the TinyMCE toolbar for our insert page tool |
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function insertPages_handleFilter_mceButtons( $buttons ) { |
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array_push( $buttons, 'wpInsertPages_button' ); // add a separator and button to toolbar |
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return $buttons; |
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} |
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|
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// Filter hook: Load the javascript for our custom toolbar button |
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function insertPages_handleFilter_mceExternalPlugins( $plugins ) { |
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$plugins['wpInsertPages'] = plugins_url( '/js/wpinsertpages_plugin.js', __FILE__ ); |
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return $plugins; |
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} |
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|
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/** |
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* Modified from /wp-admin/includes/internal-linking.php, function wp_link_dialog() |
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* Dialog for internal linking. |
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* |
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* @since 3.1.0 |
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*/ |
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function insertPages_wp_tinymce_dialog() { |
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// If wp_editor() is being called outside of an admin context, |
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// required dependencies for Insert Pages will be missing (e.g., |
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// wp-admin/includes/template.php will not be loaded, admin_head |
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// action will not be fired). If that's the case, just skip loading |
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// the Insert Pages tinymce button. |
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if ( ! is_admin() || ! function_exists( 'page_template_dropdown' ) ) { |
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return; |
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} |
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|
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$options_panel_visible = '1' == get_user_setting( 'wpinsertpage', '0' ) ? ' options-panel-visible' : ''; |
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|
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// Get ID of post currently being edited. |
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$post_id = array_key_exists( 'post', $_REQUEST ) && intval( $_REQUEST['post'] ) > 0 ? intval( $_REQUEST['post'] ) : ''; |
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|
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// display: none is required here, see #WP27605 |
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?><div id="wp-insertpage-backdrop" style="display: none"></div> |
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<div id="wp-insertpage-wrap" class="wp-core-ui<?php echo $options_panel_visible; ?>" style="display: none"> |
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<form id="wp-insertpage" tabindex="-1"> |
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<?php wp_nonce_field( 'internal-inserting', '_ajax_inserting_nonce', false ); ?> |
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<input type="hidden" id="insertpage-parent-pageID" value="<?php echo $post_id; ?>" /> |
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<div id="insertpage-modal-title"> |
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<?php _e( 'Insert page' ) ?> |
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<div id="wp-insertpage-close" tabindex="0"></div> |
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</div> |
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<div id="insertpage-selector"> |
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<div id="insertpage-search-panel"> |
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<div class="insertpage-search-wrapper"> |
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<label> |
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<span class="search-label"><?php _e( 'Search' ); ?></span> |
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<input type="search" id="insertpage-search-field" class="insertpage-search-field" autocomplete="off" /> |
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<span class="spinner"></span> |
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</label> |
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</div> |
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<div id="insertpage-search-results" class="query-results"> |
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<ul></ul> |
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<div class="river-waiting"> |
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<span class="spinner"></span> |
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</div> |
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</div> |
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<div id="insertpage-most-recent-results" class="query-results"> |
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<div class="query-notice"><em><?php _e( 'No search term specified. Showing recent items.' ); ?></em></div> |
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<ul></ul> |
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<div class="river-waiting"> |
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<span class="spinner"></span> |
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</div> |
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</div> |
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</div> |
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<p class="howto" id="insertpage-options-toggle"><?php _e( 'Options' ); ?></p> |
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<div id="insertpage-options-panel"> |
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<div class="insertpage-options-wrapper"> |
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<label for="insertpage-slug-field"> |
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<span><?php _e( 'Slug or ID' ); ?></span> |
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<input id="insertpage-slug-field" type="text" tabindex="10" autocomplete="off" /> |
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<input id="insertpage-pageID" type="hidden" /> |
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</label> |
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</div> |
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<div class="insertpage-format"> |
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<label for="insertpage-format-select"> |
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<?php _e( 'Display' ); ?> |
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<select name="insertpage-format-select" id="insertpage-format-select"> |
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<option value='title'>Title</option> |
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<option value='link'>Link</option> |
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<option value='excerpt'>Excerpt</option> |
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<option value='excerpt-only'>Excerpt only (no title)</option> |
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<option value='content'>Content</option> |
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<option value='all'>All (includes custom fields)</option> |
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<option value='template'>Use a custom template »</option> |
| 370 |
</select> |
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<select name="insertpage-template-select" id="insertpage-template-select" disabled="true"> |
| 372 |
<option value='all'><?php _e( 'Default Template' ); ?></option> |
| 373 |
<?php page_template_dropdown(); ?> |
| 374 |
</select> |
| 375 |
</label> |
| 376 |
</div> |
| 377 |
</div> |
| 378 |
</div> |
| 379 |
<div class="submitbox"> |
| 380 |
<div id="wp-insertpage-update"> |
| 381 |
<input type="submit" value="<?php esc_attr_e( 'Insert Page' ); ?>" class="button button-primary" id="wp-insertpage-submit" name="wp-insertpage-submit"> |
| 382 |
</div> |
| 383 |
<div id="wp-insertpage-cancel"> |
| 384 |
<a class="submitdelete deletion" href="#"><?php _e( 'Cancel' ); ?></a> |
| 385 |
</div> |
| 386 |
</div> |
| 387 |
</form> |
| 388 |
</div> |
| 389 |
<?php |
| 390 |
} |
| 391 |
|
| 392 |
/** Modified from: |
| 393 |
* Internal linking functions. |
| 394 |
* |
| 395 |
* @package WordPress |
| 396 |
* @subpackage Administration |
| 397 |
* @since 3.1.0 |
| 398 |
*/ |
| 399 |
function insertPages_insert_page_callback() { |
| 400 |
check_ajax_referer( 'internal-inserting', '_ajax_inserting_nonce' ); |
| 401 |
$args = array(); |
| 402 |
if ( isset( $_POST['search'] ) ) { |
| 403 |
$args['s'] = stripslashes( $_POST['search'] ); |
| 404 |
} |
| 405 |
$args['pagenum'] = !empty( $_POST['page'] ) ? absint( $_POST['page'] ) : 1; |
| 406 |
$args['pageID'] = !empty( $_POST['pageID'] ) ? absint( $_POST['pageID'] ) : 0; |
| 407 |
|
| 408 |
// Change search to slug or post ID if we're not doing a plaintext |
| 409 |
// search (e.g., if we're editing an existing shortcode and the |
| 410 |
// search field is populated with the post's slug or ID). |
| 411 |
if ( array_key_exists( 'type', $_POST ) && $_POST['type'] === 'slug' ) { |
| 412 |
$args['name'] = $args['s']; |
| 413 |
unset( $args['s'] ); |
| 414 |
} else if ( array_key_exists( 'type', $_POST ) && $_POST['type'] === 'post_id' ) { |
| 415 |
$args['p'] = $args['s']; |
| 416 |
unset( $args['s'] ); |
| 417 |
} |
| 418 |
|
| 419 |
$results = $this->insertPages_wp_query( $args ); |
| 420 |
|
| 421 |
// Fail if our query didn't work. |
| 422 |
if ( ! isset( $results ) ) { |
| 423 |
die( '0' ); |
| 424 |
} |
| 425 |
|
| 426 |
echo json_encode( $results ); |
| 427 |
echo "\n"; |
| 428 |
die(); |
| 429 |
} |
| 430 |
|
| 431 |
/** Modified from: |
| 432 |
* Performs post queries for internal linking. |
| 433 |
* |
| 434 |
* @since 3.1.0 |
| 435 |
* @param array $args Optional. Accepts 'pagenum' and 's' (search) arguments. |
| 436 |
* @return array Results. |
| 437 |
*/ |
| 438 |
function insertPages_wp_query( $args = array() ) { |
| 439 |
$pts = get_post_types( array( 'public' => true ), 'objects' ); |
| 440 |
$post_types = array_keys( $pts ); |
| 441 |
|
| 442 |
/** |
| 443 |
* Filter the post types that appear in the list of pages to insert. |
| 444 |
* |
| 445 |
* By default, all post types will apear. |
| 446 |
* |
| 447 |
* @since 2.0 |
| 448 |
* |
| 449 |
* @param array $post_types Array of post type names to include. |
| 450 |
*/ |
| 451 |
$post_types = apply_filters( 'insert_pages_available_post_types', $post_types ); |
| 452 |
|
| 453 |
$query = array( |
| 454 |
'post_type' => $post_types, |
| 455 |
'suppress_filters' => true, |
| 456 |
'update_post_term_cache' => false, |
| 457 |
'update_post_meta_cache' => false, |
| 458 |
'post_status' => 'publish', |
| 459 |
'order' => 'DESC', |
| 460 |
'orderby' => 'post_date', |
| 461 |
'posts_per_page' => 20, |
| 462 |
'post__not_in' => array( $args['pageID'] ), |
| 463 |
); |
| 464 |
|
| 465 |
$args['pagenum'] = isset( $args['pagenum'] ) ? absint( $args['pagenum'] ) : 1; |
| 466 |
$query['offset'] = $args['pagenum'] > 1 ? $query['posts_per_page'] * ( $args['pagenum'] - 1 ) : 0; |
| 467 |
|
| 468 |
// Search post content and post title. |
| 469 |
if ( isset( $args['s'] ) ) { |
| 470 |
$query['s'] = $args['s']; |
| 471 |
} |
| 472 |
|
| 473 |
// Search post_name (post slugs). |
| 474 |
if ( isset( $args['name'] ) ) { |
| 475 |
$query['name'] = $args['name']; |
| 476 |
} |
| 477 |
|
| 478 |
// Search post ids. |
| 479 |
if ( isset( $args['p'] ) ) { |
| 480 |
$query['p'] = $args['p']; |
| 481 |
} |
| 482 |
|
| 483 |
// Do main query. |
| 484 |
$get_posts = new WP_Query; |
| 485 |
$posts = $get_posts->query( $query ); |
| 486 |
// Check if any posts were found. |
| 487 |
if ( ! $get_posts->post_count ) { |
| 488 |
return false; |
| 489 |
} |
| 490 |
|
| 491 |
// Build results. |
| 492 |
$results = array(); |
| 493 |
foreach ( $posts as $post ) { |
| 494 |
if ( 'post' == $post->post_type ) { |
| 495 |
$info = mysql2date( __( 'Y/m/d' ), $post->post_date ); |
| 496 |
} else { |
| 497 |
$info = $pts[ $post->post_type ]->labels->singular_name; |
| 498 |
} |
| 499 |
$results[] = array( |
| 500 |
'ID' => $post->ID, |
| 501 |
'title' => trim( esc_html( strip_tags( get_the_title( $post ) ) ) ), |
| 502 |
'permalink' => get_permalink( $post->ID ), |
| 503 |
'slug' => $post->post_name, |
| 504 |
'info' => $info, |
| 505 |
); |
| 506 |
} |
| 507 |
return $results; |
| 508 |
} |
| 509 |
|
| 510 |
function insertPages_add_quicktags() { |
| 511 |
if ( wp_script_is( 'quicktags' ) ) : ?> |
| 512 |
<script type="text/javascript"> |
| 513 |
QTags.addButton( 'ed_insert_page', '[insert page]', "[insert page='your-page-slug' display='title|link|excerpt|excerpt-only|content|all']\n", '', '', 'Insert Page', 999 ); |
| 514 |
</script> |
| 515 |
<?php endif; |
| 516 |
} |
| 517 |
|
| 518 |
} |
| 519 |
} |
| 520 |
|
| 521 |
// Initialize InsertPagesPlugin object |
| 522 |
if ( class_exists( 'InsertPagesPlugin' ) ) { |
| 523 |
$insertPages_plugin = new InsertPagesPlugin(); |
| 524 |
} |
| 525 |
|
| 526 |
// Actions and Filters handled by InsertPagesPlugin class |
| 527 |
if ( isset( $insertPages_plugin ) ) { |
| 528 |
// Actions |
| 529 |
add_action( 'init', array( $insertPages_plugin, 'insertPages_init' ), 1 ); // Register Shortcodes here |
| 530 |
add_action( 'admin_head', array( $insertPages_plugin, 'insertPages_admin_init' ), 1 ); // Add TinyMCE buttons here |
| 531 |
add_action( 'before_wp_tiny_mce', array( $insertPages_plugin, 'insertPages_wp_tinymce_dialog' ), 1 ); // Preload TinyMCE popup |
| 532 |
add_action( 'wp_ajax_insertpage', array( $insertPages_plugin, 'insertPages_insert_page_callback' ) ); // Populate page search in TinyMCE button popup in this ajax call |
| 533 |
add_action( 'admin_print_footer_scripts', array( $insertPages_plugin, 'insertPages_add_quicktags' ) ); |
| 534 |
} |
| 535 |
|
