www.gusucode.com > wordpress PHP博客系统英文版 v4.5.1PHP源码程序 > wordpress PHP博客系统英文版 v4.5.1/wordpress/wordpress/wp-admin/js/widgets.js
/*global ajaxurl, isRtl */
var wpWidgets;
(function($) {
var $document = $( document );
wpWidgets = {
/**
* A closed Sidebar that gets a Widget dragged over it.
*
* @var element|null
*/
hoveredSidebar: null,
init : function() {
var rem, the_id,
self = this,
chooser = $('.widgets-chooser'),
selectSidebar = chooser.find('.widgets-chooser-sidebars'),
sidebars = $('div.widgets-sortables'),
isRTL = !! ( 'undefined' !== typeof isRtl && isRtl );
$('#widgets-right .sidebar-name').click( function() {
var $this = $(this),
$wrap = $this.closest('.widgets-holder-wrap');
if ( $wrap.hasClass('closed') ) {
$wrap.removeClass('closed');
$this.parent().sortable('refresh');
} else {
$wrap.addClass('closed');
}
$document.triggerHandler( 'wp-pin-menu' );
});
$('#widgets-left .sidebar-name').click( function() {
$(this).closest('.widgets-holder-wrap').toggleClass('closed');
$document.triggerHandler( 'wp-pin-menu' );
});
$(document.body).bind('click.widgets-toggle', function(e) {
var target = $(e.target),
css = { 'z-index': 100 },
widget, inside, targetWidth, widgetWidth, margin;
if ( target.parents('.widget-top').length && ! target.parents('#available-widgets').length ) {
widget = target.closest('div.widget');
inside = widget.children('.widget-inside');
targetWidth = parseInt( widget.find('input.widget-width').val(), 10 ),
widgetWidth = widget.parent().width();
if ( inside.is(':hidden') ) {
if ( targetWidth > 250 && ( targetWidth + 30 > widgetWidth ) && widget.closest('div.widgets-sortables').length ) {
if ( widget.closest('div.widget-liquid-right').length ) {
margin = isRTL ? 'margin-right' : 'margin-left';
} else {
margin = isRTL ? 'margin-left' : 'margin-right';
}
css[ margin ] = widgetWidth - ( targetWidth + 30 ) + 'px';
widget.css( css );
}
widget.addClass( 'open' );
inside.slideDown('fast');
} else {
inside.slideUp('fast', function() {
widget.attr( 'style', '' );
widget.removeClass( 'open' );
});
}
e.preventDefault();
} else if ( target.hasClass('widget-control-save') ) {
wpWidgets.save( target.closest('div.widget'), 0, 1, 0 );
e.preventDefault();
} else if ( target.hasClass('widget-control-remove') ) {
wpWidgets.save( target.closest('div.widget'), 1, 1, 0 );
e.preventDefault();
} else if ( target.hasClass('widget-control-close') ) {
widget = target.closest('div.widget');
widget.removeClass( 'open' );
wpWidgets.close( widget );
e.preventDefault();
} else if ( target.attr( 'id' ) === 'inactive-widgets-control-remove' ) {
wpWidgets.removeInactiveWidgets();
e.preventDefault();
}
});
sidebars.children('.widget').each( function() {
var $this = $(this);
wpWidgets.appendTitle( this );
if ( $this.find( 'p.widget-error' ).length ) {
$this.find( 'a.widget-action' ).trigger('click');
}
});
$('#widget-list').children('.widget').draggable({
connectToSortable: 'div.widgets-sortables',
handle: '> .widget-top > .widget-title',
distance: 2,
helper: 'clone',
zIndex: 100,
containment: '#wpwrap',
refreshPositions: true,
start: function( event, ui ) {
var chooser = $(this).find('.widgets-chooser');
ui.helper.find('div.widget-description').hide();
the_id = this.id;
if ( chooser.length ) {
// Hide the chooser and move it out of the widget
$( '#wpbody-content' ).append( chooser.hide() );
// Delete the cloned chooser from the drag helper
ui.helper.find('.widgets-chooser').remove();
self.clearWidgetSelection();
}
},
stop: function() {
if ( rem ) {
$(rem).hide();
}
rem = '';
}
});
/**
* Opens and closes previously closed Sidebars when Widgets are dragged over/out of them.
*/
sidebars.droppable( {
tolerance: 'intersect',
/**
* Open Sidebar when a Widget gets dragged over it.
*
* @param event
*/
over: function( event ) {
var $wrap = $( event.target ).parent();
if ( wpWidgets.hoveredSidebar && ! $wrap.is( wpWidgets.hoveredSidebar ) ) {
// Close the previous Sidebar as the Widget has been dragged onto another Sidebar.
wpWidgets.closeSidebar( event );
}
if ( $wrap.hasClass( 'closed' ) ) {
wpWidgets.hoveredSidebar = $wrap;
$wrap.removeClass( 'closed' );
}
$( this ).sortable( 'refresh' );
},
/**
* Close Sidebar when the Widget gets dragged out of it.
*
* @param event
*/
out: function( event ) {
if ( wpWidgets.hoveredSidebar ) {
wpWidgets.closeSidebar( event );
}
}
} );
sidebars.sortable({
placeholder: 'widget-placeholder',
items: '> .widget',
handle: '> .widget-top > .widget-title',
cursor: 'move',
distance: 2,
containment: '#wpwrap',
tolerance: 'pointer',
refreshPositions: true,
start: function( event, ui ) {
var height, $this = $(this),
$wrap = $this.parent(),
inside = ui.item.children('.widget-inside');
if ( inside.css('display') === 'block' ) {
ui.item.removeClass('open');
inside.hide();
$(this).sortable('refreshPositions');
}
if ( ! $wrap.hasClass('closed') ) {
// Lock all open sidebars min-height when starting to drag.
// Prevents jumping when dragging a widget from an open sidebar to a closed sidebar below.
height = ui.item.hasClass('ui-draggable') ? $this.height() : 1 + $this.height();
$this.css( 'min-height', height + 'px' );
}
},
stop: function( event, ui ) {
var addNew, widgetNumber, $sidebar, $children, child, item,
$widget = ui.item,
id = the_id;
// Reset the var to hold a previously closed sidebar.
wpWidgets.hoveredSidebar = null;
if ( $widget.hasClass('deleting') ) {
wpWidgets.save( $widget, 1, 0, 1 ); // delete widget
$widget.remove();
return;
}
addNew = $widget.find('input.add_new').val();
widgetNumber = $widget.find('input.multi_number').val();
$widget.attr( 'style', '' ).removeClass('ui-draggable');
the_id = '';
if ( addNew ) {
if ( 'multi' === addNew ) {
$widget.html(
$widget.html().replace( /<[^<>]+>/g, function( tag ) {
return tag.replace( /__i__|%i%/g, widgetNumber );
})
);
$widget.attr( 'id', id.replace( '__i__', widgetNumber ) );
widgetNumber++;
$( 'div#' + id ).find( 'input.multi_number' ).val( widgetNumber );
} else if ( 'single' === addNew ) {
$widget.attr( 'id', 'new-' + id );
rem = 'div#' + id;
}
wpWidgets.save( $widget, 0, 0, 1 );
$widget.find('input.add_new').val('');
$document.trigger( 'widget-added', [ $widget ] );
}
$sidebar = $widget.parent();
if ( $sidebar.parent().hasClass('closed') ) {
$sidebar.parent().removeClass('closed');
$children = $sidebar.children('.widget');
// Make sure the dropped widget is at the top
if ( $children.length > 1 ) {
child = $children.get(0);
item = $widget.get(0);
if ( child.id && item.id && child.id !== item.id ) {
$( child ).before( $widget );
}
}
}
if ( addNew ) {
$widget.find( 'a.widget-action' ).trigger('click');
} else {
wpWidgets.saveOrder( $sidebar.attr('id') );
}
},
activate: function() {
$(this).parent().addClass( 'widget-hover' );
},
deactivate: function() {
// Remove all min-height added on "start"
$(this).css( 'min-height', '' ).parent().removeClass( 'widget-hover' );
},
receive: function( event, ui ) {
var $sender = $( ui.sender );
// Don't add more widgets to orphaned sidebars
if ( this.id.indexOf('orphaned_widgets') > -1 ) {
$sender.sortable('cancel');
return;
}
// If the last widget was moved out of an orphaned sidebar, close and remove it.
if ( $sender.attr('id').indexOf('orphaned_widgets') > -1 && ! $sender.children('.widget').length ) {
$sender.parents('.orphan-sidebar').slideUp( 400, function(){ $(this).remove(); } );
}
}
}).sortable( 'option', 'connectWith', 'div.widgets-sortables' );
$('#available-widgets').droppable({
tolerance: 'pointer',
accept: function(o){
return $(o).parent().attr('id') !== 'widget-list';
},
drop: function(e,ui) {
ui.draggable.addClass('deleting');
$('#removing-widget').hide().children('span').empty();
},
over: function(e,ui) {
ui.draggable.addClass('deleting');
$('div.widget-placeholder').hide();
if ( ui.draggable.hasClass('ui-sortable-helper') ) {
$('#removing-widget').show().children('span')
.html( ui.draggable.find( 'div.widget-title' ).children( 'h3' ).html() );
}
},
out: function(e,ui) {
ui.draggable.removeClass('deleting');
$('div.widget-placeholder').show();
$('#removing-widget').hide().children('span').empty();
}
});
// Area Chooser
$( '#widgets-right .widgets-holder-wrap' ).each( function( index, element ) {
var $element = $( element ),
name = $element.find( '.sidebar-name h2' ).text(),
id = $element.find( '.widgets-sortables' ).attr( 'id' ),
li = $('<li tabindex="0">').text( $.trim( name ) );
if ( index === 0 ) {
li.addClass( 'widgets-chooser-selected' );
}
selectSidebar.append( li );
li.data( 'sidebarId', id );
});
$( '#available-widgets .widget .widget-title' ).on( 'click.widgets-chooser', function() {
var $widget = $(this).closest( '.widget' );
if ( $widget.hasClass( 'widget-in-question' ) || $( '#widgets-left' ).hasClass( 'chooser' ) ) {
self.closeChooser();
} else {
// Open the chooser
self.clearWidgetSelection();
$( '#widgets-left' ).addClass( 'chooser' );
$widget.addClass( 'widget-in-question' ).children( '.widget-description' ).after( chooser );
chooser.slideDown( 300, function() {
selectSidebar.find('.widgets-chooser-selected').focus();
});
selectSidebar.find( 'li' ).on( 'focusin.widgets-chooser', function() {
selectSidebar.find('.widgets-chooser-selected').removeClass( 'widgets-chooser-selected' );
$(this).addClass( 'widgets-chooser-selected' );
} );
}
});
// Add event handlers
chooser.on( 'click.widgets-chooser', function( event ) {
var $target = $( event.target );
if ( $target.hasClass('button-primary') ) {
self.addWidget( chooser );
self.closeChooser();
} else if ( $target.hasClass('button-secondary') ) {
self.closeChooser();
}
}).on( 'keyup.widgets-chooser', function( event ) {
if ( event.which === $.ui.keyCode.ENTER ) {
if ( $( event.target ).hasClass('button-secondary') ) {
// Close instead of adding when pressing Enter on the Cancel button
self.closeChooser();
} else {
self.addWidget( chooser );
self.closeChooser();
}
} else if ( event.which === $.ui.keyCode.ESCAPE ) {
self.closeChooser();
}
});
},
saveOrder : function( sidebarId ) {
var data = {
action: 'widgets-order',
savewidgets: $('#_wpnonce_widgets').val(),
sidebars: []
};
if ( sidebarId ) {
$( '#' + sidebarId ).find( '.spinner:first' ).addClass( 'is-active' );
}
$('div.widgets-sortables').each( function() {
if ( $(this).sortable ) {
data['sidebars[' + $(this).attr('id') + ']'] = $(this).sortable('toArray').join(',');
}
});
$.post( ajaxurl, data, function() {
$( '#inactive-widgets-control-remove' ).prop( 'disabled' , ! $( '#wp_inactive_widgets .widget' ).length );
$( '.spinner' ).removeClass( 'is-active' );
});
},
save : function( widget, del, animate, order ) {
var sidebarId = widget.closest('div.widgets-sortables').attr('id'),
data = widget.find('form').serialize(), a;
widget = $(widget);
$( '.spinner', widget ).addClass( 'is-active' );
a = {
action: 'save-widget',
savewidgets: $('#_wpnonce_widgets').val(),
sidebar: sidebarId
};
if ( del ) {
a.delete_widget = 1;
}
data += '&' + $.param(a);
$.post( ajaxurl, data, function(r) {
var id;
if ( del ) {
if ( ! $('input.widget_number', widget).val() ) {
id = $('input.widget-id', widget).val();
$('#available-widgets').find('input.widget-id').each(function(){
if ( $(this).val() === id ) {
$(this).closest('div.widget').show();
}
});
}
if ( animate ) {
order = 0;
widget.slideUp('fast', function(){
$(this).remove();
wpWidgets.saveOrder();
});
} else {
widget.remove();
if ( sidebarId === 'wp_inactive_widgets' ) {
$( '#inactive-widgets-control-remove' ).prop( 'disabled' , ! $( '#wp_inactive_widgets .widget' ).length );
}
}
} else {
$( '.spinner' ).removeClass( 'is-active' );
if ( r && r.length > 2 ) {
$( 'div.widget-content', widget ).html( r );
wpWidgets.appendTitle( widget );
$document.trigger( 'widget-updated', [ widget ] );
if ( sidebarId === 'wp_inactive_widgets' ) {
$( '#inactive-widgets-control-remove' ).prop( 'disabled' , ! $( '#wp_inactive_widgets .widget' ).length );
}
}
}
if ( order ) {
wpWidgets.saveOrder();
}
});
},
removeInactiveWidgets : function() {
var $element = $( '.remove-inactive-widgets' ), a, data;
$( '.spinner', $element ).addClass( 'is-active' );
a = {
action : 'delete-inactive-widgets',
removeinactivewidgets : $( '#_wpnonce_remove_inactive_widgets' ).val()
};
data = $.param( a );
$.post( ajaxurl, data, function() {
$( '#wp_inactive_widgets .widget' ).remove();
$( '#inactive-widgets-control-remove' ).prop( 'disabled' , true );
$( '.spinner', $element ).removeClass( 'is-active' );
} );
},
appendTitle : function(widget) {
var title = $('input[id*="-title"]', widget).val() || '';
if ( title ) {
title = ': ' + title.replace(/<[^<>]+>/g, '').replace(/</g, '<').replace(/>/g, '>');
}
$(widget).children('.widget-top').children('.widget-title').children()
.children('.in-widget-title').html(title);
},
close : function(widget) {
widget.children('.widget-inside').slideUp('fast', function() {
widget.attr( 'style', '' );
});
},
addWidget: function( chooser ) {
var widget, widgetId, add, n, viewportTop, viewportBottom, sidebarBounds,
sidebarId = chooser.find( '.widgets-chooser-selected' ).data('sidebarId'),
sidebar = $( '#' + sidebarId );
widget = $('#available-widgets').find('.widget-in-question').clone();
widgetId = widget.attr('id');
add = widget.find( 'input.add_new' ).val();
n = widget.find( 'input.multi_number' ).val();
// Remove the cloned chooser from the widget
widget.find('.widgets-chooser').remove();
if ( 'multi' === add ) {
widget.html(
widget.html().replace( /<[^<>]+>/g, function(m) {
return m.replace( /__i__|%i%/g, n );
})
);
widget.attr( 'id', widgetId.replace( '__i__', n ) );
n++;
$( '#' + widgetId ).find('input.multi_number').val(n);
} else if ( 'single' === add ) {
widget.attr( 'id', 'new-' + widgetId );
$( '#' + widgetId ).hide();
}
// Open the widgets container
sidebar.closest( '.widgets-holder-wrap' ).removeClass('closed');
sidebar.append( widget );
sidebar.sortable('refresh');
wpWidgets.save( widget, 0, 0, 1 );
// No longer "new" widget
widget.find( 'input.add_new' ).val('');
$document.trigger( 'widget-added', [ widget ] );
/*
* Check if any part of the sidebar is visible in the viewport. If it is, don't scroll.
* Otherwise, scroll up to so the sidebar is in view.
*
* We do this by comparing the top and bottom, of the sidebar so see if they are within
* the bounds of the viewport.
*/
viewportTop = $(window).scrollTop();
viewportBottom = viewportTop + $(window).height();
sidebarBounds = sidebar.offset();
sidebarBounds.bottom = sidebarBounds.top + sidebar.outerHeight();
if ( viewportTop > sidebarBounds.bottom || viewportBottom < sidebarBounds.top ) {
$( 'html, body' ).animate({
scrollTop: sidebarBounds.top - 130
}, 200 );
}
window.setTimeout( function() {
// Cannot use a callback in the animation above as it fires twice,
// have to queue this "by hand".
widget.find( '.widget-title' ).trigger('click');
}, 250 );
},
closeChooser: function() {
var self = this;
$( '.widgets-chooser' ).slideUp( 200, function() {
$( '#wpbody-content' ).append( this );
self.clearWidgetSelection();
});
},
clearWidgetSelection: function() {
$( '#widgets-left' ).removeClass( 'chooser' );
$( '.widget-in-question' ).removeClass( 'widget-in-question' );
},
/**
* Closes a Sidebar that was previously closed, but opened by dragging a Widget over it.
*
* Used when a Widget gets dragged in/out of the Sidebar and never dropped.
*
* @param sidebar
*/
closeSidebar: function( sidebar ) {
this.hoveredSidebar.addClass( 'closed' );
$( sidebar.target ).css( 'min-height', '' );
this.hoveredSidebar = null;
}
};
$document.ready( function(){ wpWidgets.init(); } );
})(jQuery);