1 files changed, 140 insertions, 0 deletions
diff --git a/wp-admin/js/link.js b/wp-admin/js/link.js
new file mode 100644
index 0000000..1456ba9
--- /dev/null
+++ b/wp-admin/js/link.js
@@ -0,0 +1,140 @@
+/**
+ * @output wp-admin/js/link.js
+ */
+
+/* global postboxes, deleteUserSetting, setUserSetting, getUserSetting */
+
+jQuery( function($) {
+
+	var newCat, noSyncChecks = false, syncChecks, catAddAfter;
+
+	$('#link_name').trigger( 'focus' );
+	// Postboxes.
+	postboxes.add_postbox_toggles('link');
+
+	/**
+	 * Adds event that opens a particular category tab.
+	 *
+	 * @ignore
+	 *
+	 * @return {boolean} Always returns false to prevent the default behavior.
+	 */
+	$('#category-tabs a').on( 'click', function(){
+		var t = $(this).attr('href');
+		$(this).parent().addClass('tabs').siblings('li').removeClass('tabs');
+		$('.tabs-panel').hide();
+		$(t).show();
+		if ( '#categories-all' == t )
+			deleteUserSetting('cats');
+		else
+			setUserSetting('cats','pop');
+		return false;
+	});
+	if ( getUserSetting('cats') )
+		$('#category-tabs a[href="#categories-pop"]').trigger( 'click' );
+
+	// Ajax Cat.
+	newCat = $('#newcat').one( 'focus', function() { $(this).val( '' ).removeClass( 'form-input-tip' ); } );
+
+	/**
+	 * After adding a new category, focus on the category add input field.
+	 *
+	 * @return {void}
+	 */
+	$('#link-category-add-submit').on( 'click', function() { newCat.focus(); } );
+
+	/**
+	 * Synchronize category checkboxes.
+	 *
+	 * This function makes sure that the checkboxes are synced between the all
+	 * categories tab and the most used categories tab.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @return {void}
+	 */
+	syncChecks = function() {
+		if ( noSyncChecks )
+			return;
+		noSyncChecks = true;
+		var th = $(this), c = th.is(':checked'), id = th.val().toString();
+		$('#in-link-category-' + id + ', #in-popular-link_category-' + id).prop( 'checked', c );
+		noSyncChecks = false;
+	};
+
+	/**
+	 * Adds event listeners to an added category.
+	 *
+	 * This is run on the addAfter event to make sure the correct event listeners
+	 * are bound to the DOM elements.
+	 *
+	 * @since 2.5.0
+	 *
+	 * @param {string} r Raw XML response returned from the server after adding a
+	 *                   category.
+	 * @param {Object} s List manager configuration object; settings for the Ajax
+	 *                   request.
+	 *
+	 * @return {void}
+	 */
+	catAddAfter = function( r, s ) {
+		$(s.what + ' response_data', r).each( function() {
+			var t = $($(this).text());
+			t.find( 'label' ).each( function() {
+				var th = $(this),
+					val = th.find('input').val(),
+					id = th.find('input')[0].id,
+					name = th.text().trim(),
+					o;
+				$('#' + id).on( 'change', syncChecks );
+				o = $( '<option value="' +  parseInt( val, 10 ) + '"></option>' ).text( name );
+			} );
+		} );
+	};
+
+	/*
+	 * Instantiates the list manager.
+	 *
+	 * @see js/_enqueues/lib/lists.js
+	 */
+	$('#categorychecklist').wpList( {
+		// CSS class name for alternate styling.
+		alt: '',
+
+		// The type of list.
+		what: 'link-category',
+
+		// ID of the element the parsed Ajax response will be stored in.
+		response: 'category-ajax-response',
+
+		// Callback that's run after an item got added to the list.
+		addAfter: catAddAfter
+	} );
+
+	// All categories is the default tab, so we delete the user setting.
+	$('a[href="#categories-all"]').on( 'click', function(){deleteUserSetting('cats');});
+
+	// Set a preference for the popular categories to cookies.
+	$('a[href="#categories-pop"]').on( 'click', function(){setUserSetting('cats','pop');});
+
+	if ( 'pop' == getUserSetting('cats') )
+		$('a[href="#categories-pop"]').trigger( 'click' );
+
+	/**
+	 * Adds event handler that shows the interface controls to add a new category.
+	 *
+	 * @ignore
+	 *
+	 * @param {Event} event The event object.
+	 * @return {boolean} Always returns false to prevent regular link
+	 *                   functionality.
+	 */
+	$('#category-add-toggle').on( 'click', function() {
+		$(this).parents('div:first').toggleClass( 'wp-hidden-children' );
+		$('#category-tabs a[href="#categories-all"]').trigger( 'click' );
+		$('#newcategory').trigger( 'focus' );
+		return false;
+	} );
+
+	$('.categorychecklist :checkbox').on( 'change', syncChecks ).filter( ':checked' ).trigger( 'change' );
+});