/**
* Contains the postboxes logic, opening and closing postboxes, reordering and saving
* the state and ordering to the database.
*
* @since 2.5.0
* @requires jQuery
* @output wp-admin/js/postbox.js
*/
/* global ajaxurl, postBoxL10n, postboxes */
(function($) {
var $document = $( document );
/**
* This object contains all function to handle the behaviour of the post boxes. The post boxes are the boxes you see
* around the content on the edit page.
*
* @since 2.7.0
*
* @namespace postboxes
*
* @type {Object}
*/
window.postboxes = {
/**
* Handles a click on either the postbox heading or the postbox open/close icon.
*
* Opens or closes the postbox. Expects `this` to equal the clicked element.
* Calls postboxes.pbshow if the postbox has been opened, calls postboxes.pbhide
* if the postbox has been closed.
*
* @since 4.4.0
*
* @memberof postboxes
*
* @fires postboxes#postbox-toggled
*
* @return {void}
*/
handle_click : function () {
var $el = $( this ),
p = $el.parent( '.postbox' ),
id = p.attr( 'id' ),
ariaExpandedValue;
if ( 'dashboard_browser_nag' === id ) {
return;
}
p.toggleClass( 'closed' );
ariaExpandedValue = ! p.hasClass( 'closed' );
if ( $el.hasClass( 'handlediv' ) ) {
// The handle button was clicked.
$el.attr( 'aria-expanded', ariaExpandedValue );
} else {
// The handle heading was clicked.
$el.closest( '.postbox' ).find( 'button.handlediv' )
.attr( 'aria-expanded', ariaExpandedValue );
}
if ( postboxes.page !== 'press-this' ) {
postboxes.save_state( postboxes.page );
}
if ( id ) {
if ( !p.hasClass('closed') && $.isFunction( postboxes.pbshow ) ) {
postboxes.pbshow( id );
} else if ( p.hasClass('closed') && $.isFunction( postboxes.pbhide ) ) {
postboxes.pbhide( id );
}
}
/**
* Fires when a postbox has been opened or closed.
*
* Contains a jQuery object with the relevant postbox element.
*
* @since 4.0.0
* @ignore
*
* @event postboxes#postbox-toggled
* @type {Object}
*/
$document.trigger( 'postbox-toggled', p );
},
/**
* Adds event handlers to all postboxes and screen option on the current page.
*
* @since 2.7.0
*
* @memberof postboxes
*
* @param {string} page The page we are currently on.
* @param {Object} [args]
* @param {Function} args.pbshow A callback that is called when a postbox opens.
* @param {Function} args.pbhide A callback that is called when a postbox closes.
* @return {void}
*/
add_postbox_toggles : function (page, args) {
var $handles = $( '.postbox .hndle, .postbox .handlediv' );
this.page = page;
this.init( page, args );
$handles.on( 'click.postboxes', this.handle_click );
/**
* @since 2.7.0
*/
$('.postbox .hndle a').click( function(e) {
e.stopPropagation();
});
/**
* Hides a postbox.
*
* Event handler for the postbox dismiss button. After clicking the button
* the postbox will be hidden.
*
* @since 3.2.0
*
* @return {void}
*/
$( '.postbox a.dismiss' ).on( 'click.postboxes', function( e ) {
var hide_id = $(this).parents('.postbox').attr('id') + '-hide';
e.preventDefault();
$( '#' + hide_id ).prop('checked', false).triggerHandler('click');
});
/**
* Hides the postbox element
*
* Event handler for the screen options checkboxes. When a checkbox is
* clicked this function will hide or show the relevant postboxes.
*
* @since 2.7.0
* @ignore
*
* @fires postboxes#postbox-toggled
*
* @return {void}
*/
$('.hide-postbox-tog').bind('click.postboxes', function() {
var $el = $(this),
boxId = $el.val(),
$postbox = $( '#' + boxId );
if ( $el.prop( 'checked' ) ) {
$postbox.show();
if ( $.isFunction( postboxes.pbshow ) ) {
postboxes.pbshow( boxId );
}
} else {
$postbox.hide();
if ( $.isFunction( postboxes.pbhide ) ) {
postboxes.pbhide( boxId );
}
}
postboxes.save_state( page );
postboxes._mark_area();
/**
* @since 4.0.0
* @see postboxes.handle_click
*/
$document.trigger( 'postbox-toggled', $postbox );
});
/**
* Changes the amount of columns based on the layout preferences.
*
* @since 2.8.0
*
* @return {void}
*/
$('.columns-prefs input[type="radio"]').bind('click.postboxes', function(){
var n = parseInt($(this).val(), 10);
if ( n ) {
postboxes._pb_edit(n);
postboxes.save_order( page );
}
});
},
/**
* Initializes all the postboxes, mainly their sortable behaviour.
*
* @since 2.7.0
*
* @memberof postboxes
*
* @param {string} page The page we are currently on.
* @param {Object} [args={}] The arguments for the postbox initializer.
* @param {Function} args.pbshow A callback that is called when a postbox opens.
* @param {Function} args.pbhide A callback that is called when a postbox
* closes.
*
* @return {void}
*/
init : function(page, args) {
var isMobile = $( document.body ).hasClass( 'mobile' ),
$handleButtons = $( '.postbox .handlediv' );
$.extend( this, args || {} );
$('#wpbody-content').css('overflow','hidden');
$('.meta-box-sortables').sortable({
placeholder: 'sortable-placeholder',
connectWith: '.meta-box-sortables',
items: '.postbox',
handle: '.hndle',
cursor: 'move',
delay: ( isMobile ? 200 : 0 ),
distance: 2,
tolerance: 'pointer',
forcePlaceholderSize: true,
helper: function( event, element ) {
/* `helper: 'clone'` is equivalent to `return element.clone();`
* Cloning a checked radio and then inserting that clone next to the original
* radio unchecks the original radio (since only one of the two can be checked).
* We get around this by renaming the helper's inputs' name attributes so that,
* when the helper is inserted into the DOM for the sortable, no radios are
* duplicated, and no original radio gets unchecked.
*/
return element.clone()
.find( ':input' )
.attr( 'name', function( i, currentName ) {
return 'sort_' + parseInt( Math.random() * 100000, 10 ).toString() + '_' + currentName;
} )
.end();
},
opacity: 0.65,
stop: function() {
var $el = $( this );
if ( $el.find( '#dashboard_browser_nag' ).is( ':visible' ) && 'dashboard_browser_nag' != this.firstChild.id ) {
$el.sortable('cancel');
return;
}
postboxes.save_order(page);
},
receive: function(e,ui) {
if ( 'dashboard_browser_nag' == ui.item[0].id )
$(ui.sender).sortable('cancel');
postboxes._mark_area();
$document.trigger( 'postbox-moved', ui.item );
}
});
if ( isMobile ) {
$(document.body).bind('orientationchange.postboxes', function(){ postboxes._pb_change(); });
this._pb_change();
}
this._mark_area();
// Set the handle buttons `aria-expanded` attribute initial value on page load.
$handleButtons.each( function () {
var $el = $( this );
$el.attr( 'aria-expanded', ! $el.parent( '.postbox' ).hasClass( 'closed' ) );
});
},
/**
* Saves the state of the postboxes to the server.
*
* It sends two lists, one with all the closed postboxes, one with all the
* hidden postboxes.
*
* @since 2.7.0
*
* @memberof postboxes
*
* @param {string} page The page we are currently on.
* @return {void}
*/
save_state : function(page) {
var closed, hidden;
// Return on the nav-menus.php screen, see #35112.
if ( 'nav-menus' === page ) {
return;
}
closed = $( '.postbox' ).filter( '.closed' ).map( function() { return this.id; } ).get().join( ',' );
hidden = $( '.postbox' ).filter( ':hidden' ).map( function() { return this.id; } ).get().join( ',' );
$.post(ajaxurl, {
action: 'closed-postboxes',
closed: closed,
hidden: hidden,
closedpostboxesnonce: jQuery('#closedpostboxesnonce').val(),
page: page
});
},
/**
* Saves the order of the postboxes to the server.
*
* Sends a list of all postboxes inside a sortable area to the server.
*
* @since 2.8.0
*
* @memberof postboxes
*
* @param {string} page The page we are currently on.
* @return {void}
*/
save_order : function(page) {
var postVars, page_columns = $('.columns-prefs input:checked').val() || 0;
postVars = {
action: 'meta-box-order',
_ajax_nonce: $('#meta-box-order-nonce').val(),
page_columns: page_columns,
page: page
};
$('.meta-box-sortables').each( function() {
postVars[ 'order[' + this.id.split( '-' )[0] + ']' ] = $( this ).sortable( 'toArray' ).join( ',' );
} );
$.post( ajaxurl, postVars );
},
/**
* Marks empty postbox areas.
*
* Adds a message to empty sortable areas on the dashboard page. Also adds a
* border around the side area on the post edit screen if there are no postboxes
* present.
*
* @since 3.3.0
* @access private
*
* @memberof postboxes
*
* @return {void}
*/
_mark_area : function() {
var visible = $('div.postbox:visible').length, side = $('#post-body #side-sortables');
$( '#dashboard-widgets .meta-box-sortables:visible' ).each( function() {
var t = $(this);
if ( visible == 1 || t.children('.postbox:visible').length ) {
t.removeClass('empty-container');
}
else {
t.addClass('empty-container');
t.attr('data-emptyString', postBoxL10n.postBoxEmptyString);
}
});
if ( side.length ) {
if ( side.children('.postbox:visible').length )
side.removeClass('empty-container');
else if ( $('#postbox-container-1').css('width') == '280px' )
side.addClass('empty-container');
}
},
/**
* Changes the amount of columns on the post edit page.
*
* @since 3.3.0
* @access private
*
* @memberof postboxes
*
* @fires postboxes#postboxes-columnchange
*
* @param {number} n The amount of columns to divide the post edit page in.
* @return {void}
*/
_pb_edit : function(n) {
var el = $('.metabox-holder').get(0);
if ( el ) {
el.className = el.className.replace(/columns-\d+/, 'columns-' + n);
}
/**
* Fires when the amount of columns on the post edit page has been changed.
*
* @since 4.0.0
* @ignore
*
* @event postboxes#postboxes-columnchange
*/
$( document ).trigger( 'postboxes-columnchange' );
},
/**
* Changes the amount of columns the postboxes are in based on the current
* orientation of the browser.
*
* @since 3.3.0
* @access private
*
* @memberof postboxes
*
* @return {void}
*/
_pb_change : function() {
var check = $( 'label.columns-prefs-1 input[type="radio"]' );
switch ( window.orientation ) {
case 90:
case -90:
if ( !check.length || !check.is(':checked') )
this._pb_edit(2);
break;
case 0:
case 180:
if ( $( '#poststuff' ).length ) {
this._pb_edit(1);
} else {
if ( !check.length || !check.is(':checked') )
this._pb_edit(2);
}
break;
}
},
/* Callbacks */
/**
* @since 2.7.0
* @access public
*
* @property {Function|boolean} pbshow A callback that is called when a postbox
* is opened.
* @memberof postboxes
*/
pbshow : false,
/**
* @since 2.7.0
* @access public
* @property {Function|boolean} pbhide A callback that is called when a postbox
* is closed.
* @memberof postboxes
*/
pbhide : false
};
}(jQuery));