Infinite scroll for themes.php and theme-install.php. Bump per page limit for themes.php to 999. Props helenyhou, DH-Shredder. see #19815

git-svn-id: http://svn.automattic.com/wordpress/trunk@19887 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
ryan 2012-02-09 17:20:26 +00:00
parent 0da56e5c15
commit 723bb1a99c
4 changed files with 198 additions and 3 deletions

View File

@ -9,6 +9,12 @@
*/
class WP_Theme_Install_List_Table extends WP_List_Table {
function __construct() {
parent::__construct( array(
'ajax' => true,
) );
}
function ajax_user_can() {
return current_user_can('install_themes');
}
@ -128,7 +134,7 @@ class WP_Theme_Install_List_Table extends WP_List_Table {
function display() {
// wp_nonce_field( "fetch-list-" . get_class( $this ), '_ajax_fetch_list_nonce' );
wp_nonce_field( "fetch-list-" . get_class( $this ), '_ajax_fetch_list_nonce' );
?>
<div class="tablenav top themes">
<div class="alignleft actions">

View File

@ -12,6 +12,12 @@ class WP_Themes_List_Table extends WP_List_Table {
var $search = array();
var $features = array();
function __construct() {
parent::__construct( array(
'ajax' => true,
) );
}
function ajax_user_can() {
// Do not check edit_theme_options here. AJAX calls for available themes require switch_themes.
return current_user_can('switch_themes');
@ -47,7 +53,7 @@ class WP_Themes_List_Table extends WP_List_Table {
unset( $themes[$ct->name] );
uksort( $themes, "strnatcasecmp" );
$per_page = 24;
$per_page = 999;
$page = $this->get_pagenum();
$start = ( $page - 1 ) * $per_page;
@ -101,7 +107,7 @@ class WP_Themes_List_Table extends WP_List_Table {
}
function display() {
// wp_nonce_field( "fetch-list-" . get_class( $this ), '_ajax_fetch_list_nonce' );
wp_nonce_field( "fetch-list-" . get_class( $this ), '_ajax_fetch_list_nonce' );
?>
<?php $this->tablenav( 'top' ); ?>

View File

@ -53,3 +53,185 @@ jQuery( document ).ready( function($) {
theme_viewer = new ThemeViewer();
theme_viewer.init();
});
var wpThemes;
(function($){
var inputs = {}, Query;
wpThemes = {
timeToTriggerQuery: 150,
minQueryAJAXDuration: 200,
outListBottomThreshold: 200,
noMoreResults: false,
init : function() {
$( '.pagination-links' ).hide();
inputs.nonce = $('#_ajax_fetch_list_nonce').val();
// Parse Query
inputs.queryString = window.location.search;
inputs.queryArray = wpThemes.parseQuery( inputs.queryString.substring( 1 ) );
// Handle Inputs from Query
inputs.search = inputs.queryArray['s'];
inputs.features = inputs.queryArray['features'];
inputs.startPage = parseInt( inputs.queryArray['paged'] );
inputs.tab = inputs.queryArray['tab'];
inputs.type = inputs.queryArray['type'];
if ( isNaN( inputs.startPage ) )
inputs.startPage = 2;
else
inputs.startPage++;
// FIXME: Debug Features Array
// console.log("Features:" + inputs.features);
// Link to output and start polling
inputs.outList = $('#availablethemes');
// Generate Query
wpThemes.query = new Query();
// Start Polling
$(window).scroll( function(){ wpThemes.maybeLoad(); });
},
delayedCallback : function( func, delay ) {
var timeoutTriggered, funcTriggered, funcArgs, funcContext;
if ( ! delay )
return func;
setTimeout( function() {
if ( funcTriggered )
return func.apply( funcContext, funcArgs );
// Otherwise, wait.
timeoutTriggered = true;
}, delay);
return function() {
if ( timeoutTriggered )
return func.apply( this, arguments );
// Otherwise, wait.
funcArgs = arguments;
funcContext = this;
funcTriggered = true;
};
},
ajax: function( callback ) {
var self = this,
response = wpThemes.delayedCallback( function( results, params ) {
self.process( results, params );
if ( callback )
callback( results, params );
}, wpThemes.minQueryAJAXDuration );
this.query.ajax( response );
},
process: function( results, params ) {
// If no Results, for now, mark as no Matches, and bail.
// Alternately: inputs.outList.append(wpThemesL10n.noMatchesFound);
if ( ( results === undefined ) ||
( results.rows.indexOf( "no-items" ) != -1 ) ) {
this.noMoreResults = true;
} else {
inputs.outList.append(results.rows);
}
},
maybeLoad: function() {
var self = this,
el = $(document),
bottom = el.scrollTop() + $(window).innerHeight();
/* // FIXME: Debug scroll trigger.
console.log('scrollTop:'+ el.scrollTop() +
'; scrollBottom:' + bottom +
'; height:' + el.height() +
'; checkVal:' + (el.height() - wpThemes.outListBottomThreshold));
*/
if ( this.noMoreResults ||
!this.query.ready() ||
( bottom < inputs.outList.height() - wpThemes.outListBottomThreshold ) )
return;
setTimeout( function() {
var newTop = el.scrollTop(),
newBottom = newTop + $(window).innerHeight();
if ( !self.query.ready() ||
( newBottom < inputs.outList.height() - wpThemes.outListBottomThreshold ) )
return;
/* FIXME: Create/Add Spinner.
self.waiting.show(); // Show Spinner
el.scrollTop( newTop + self.waiting.outerHeight() ); // Scroll down?
self.ajax( function() { self.waiting.hide(); }); // Hide Spinner
*/
self.ajax();
}, wpThemes.timeToTriggerQuery );
},
parseQuery: function( query ) {
var Params = {};
if ( ! query ) {return Params;}// return empty object
var Pairs = query.split(/[;&]/);
for ( var i = 0; i < Pairs.length; i++ ) {
var KeyVal = Pairs[i].split('=');
if ( ! KeyVal || KeyVal.length != 2 ) {continue;}
var key = unescape( KeyVal[0] );
var val = unescape( KeyVal[1] );
val = val.replace(/\+/g, ' ');
key = key.replace(/\[.*\]$/g, '');
if ( Params[key] === undefined ) {
Params[key] = val;
} else {
var oldVal = Params[key];
if ( ! jQuery.isArray( Params[key] ) )
Params[key] = new Array( oldVal, val );
else
Params[key].push( val );
}
}
return Params;
}
}
Query = function() {
this.failedRequest = false;
this.querying = false;
this.page = inputs.startPage;
}
$.extend( Query.prototype, {
ready: function() {
return !( this.querying || this.failedRequest );
},
ajax: function( callback ) {
var self = this,
query = {
action: 'fetch-list',
paged: this.page,
s: inputs.search,
'features[]': inputs.features,
'list_args': list_args,
'tab': inputs.tab,
'type': inputs.type,
'_ajax_fetch_list_nonce': inputs.nonce
};
this.querying = true;
$.get( ajaxurl, query, function(r) {
self.page++;
self.querying = false;
self.failedRequest = !r;
callback( r, query );
}, "json" );
}
});
$(document).ready( wpThemes.init );
})(jQuery);

View File

@ -33,6 +33,7 @@ wp_enqueue_script( 'theme-install' );
add_thickbox();
wp_enqueue_script( 'theme-preview' );
wp_enqueue_script( 'theme' );
$body_id = $tab;