-var wpLink;(function(f){var b={},e={},d,a,c;wpLink={timeToTriggerRiver:150,minRiverAJAXDuration:200,riverBottomThreshold:5,keySensitivity:100,lastSearch:"",textarea:"",init:function(){b.dialog=f("#wp-link");b.submit=f("#wp-link-submit");b.url=f("#url-field");b.nonce=f("#_ajax_linking_nonce");b.title=f("#link-title-field");b.openInNewTab=f("#link-target-checkbox");b.search=f("#search-field");e.search=new a(f("#search-results"));e.recent=new a(f("#most-recent-results"));e.elements=f(".query-results",b.dialog);b.dialog.keydown(wpLink.keydown);b.dialog.keyup(wpLink.keyup);b.submit.click(function(g){g.preventDefault();wpLink.update()});f("#wp-link-cancel").click(function(g){g.preventDefault();wpLink.close()});f("#internal-toggle").click(wpLink.toggleInternalLinking);e.elements.bind("river-select",wpLink.updateFields);b.search.keyup(wpLink.searchInternalLinks);b.dialog.bind("wpdialogrefresh",wpLink.refresh);b.dialog.bind("wpdialogbeforeopen",wpLink.beforeOpen);b.dialog.bind("wpdialogclose",wpLink.onClose)},beforeOpen:function(){wpLink.range=null;if(!wpLink.isMCE()&&document.selection){wpLink.textarea.focus();wpLink.range=document.selection.createRange()}},open:function(){if(!wpActiveEditor){return}this.textarea=f("#"+wpActiveEditor).get(0);if(!b.dialog.data("wpdialog")){b.dialog.wpdialog({title:wpLinkL10n.title,width:480,height:"auto",modal:true,dialogClass:"wp-dialog",zIndex:300000})}b.dialog.wpdialog("open")},isMCE:function(){return tinyMCEPopup&&(d=tinyMCEPopup.editor)&&!d.isHidden()},refresh:function(){e.search.refresh();e.recent.refresh();if(wpLink.isMCE()){wpLink.mceRefresh()}else{wpLink.setDefaultValues()}b.url.focus()[0].select();if(!e.recent.ul.children().length){e.recent.ajax()}},mceRefresh:function(){var g;d=tinyMCEPopup.editor;tinyMCEPopup.restoreSelection();if(g=d.dom.getParent(d.selection.getNode(),"A")){b.url.val(d.dom.getAttrib(g,"href"));b.title.val(d.dom.getAttrib(g,"title"));if("_blank"==d.dom.getAttrib(g,"target")){b.openInNewTab.prop("checked",true)}b.submit.val(wpLinkL10n.update)}else{wpLink.setDefaultValues()}tinyMCEPopup.storeSelection()},close:function(){if(wpLink.isMCE()){tinyMCEPopup.close()}else{b.dialog.wpdialog("close")}},onClose:function(){if(!wpLink.isMCE()){wpLink.textarea.focus();if(wpLink.range){wpLink.range.moveToBookmark(wpLink.range.getBookmark());wpLink.range.select()}}},getAttrs:function(){return{href:b.url.val(),title:b.title.val(),target:b.openInNewTab.prop("checked")?"_blank":""}},update:function(){if(wpLink.isMCE()){wpLink.mceUpdate()}else{wpLink.htmlUpdate()}},htmlUpdate:function(){var i,j,l,h,k,g=wpLink.textarea;if(!g){return}i=wpLink.getAttrs();if(!i.href||i.href=="http://"){return}j='<a href="'+i.href+'"';if(i.title){j+=' title="'+i.title+'"'}if(i.target){j+=' target="'+i.target+'"'}j+=">";if(typeof g.selectionStart!=="undefined"){l=g.selectionStart;h=g.selectionEnd;selection=g.value.substring(l,h);j=j+selection+"</a>";k=l+j.length;if(l==h){k-="</a>".length}g.value=g.value.substring(0,l)+j+g.value.substring(h,g.value.length);g.selectionStart=g.selectionEnd=k}else{if(document.selection&&wpLink.range){g.focus();wpLink.range.text=j+wpLink.range.text+"</a>";wpLink.range.moveToBookmark(wpLink.range.getBookmark());wpLink.range.select();wpLink.range=null}}wpLink.close();g.focus()},mceUpdate:function(){var h=tinyMCEPopup.editor,i=wpLink.getAttrs(),j,g;tinyMCEPopup.restoreSelection();j=h.dom.getParent(h.selection.getNode(),"A");if(!i.href||i.href=="http://"){if(j){tinyMCEPopup.execCommand("mceBeginUndoLevel");g=h.selection.getBookmark();h.dom.remove(j,1);h.selection.moveToBookmark(g);tinyMCEPopup.execCommand("mceEndUndoLevel");wpLink.close()}return}tinyMCEPopup.execCommand("mceBeginUndoLevel");if(j==null){h.getDoc().execCommand("unlink",false,null);tinyMCEPopup.execCommand("CreateLink",false,"#mce_temp_url#",{skip_undo:1});tinymce.each(h.dom.select("a"),function(k){if(h.dom.getAttrib(k,"href")=="#mce_temp_url#"){j=k;h.dom.setAttribs(j,i)}});if(f(j).text()=="#mce_temp_url#"){h.dom.remove(j);j=null}}else{h.dom.setAttribs(j,i)}if(j&&(j.childNodes.length!=1||j.firstChild.nodeName!="IMG")){h.focus();h.selection.select(j);h.selection.collapse(0);tinyMCEPopup.storeSelection()}tinyMCEPopup.execCommand("mceEndUndoLevel");wpLink.close()},updateFields:function(i,h,g){b.url.val(h.children(".item-permalink").val());b.title.val(h.hasClass("no-title")?"":h.children(".item-title").text());if(g&&g.type=="click"){b.url.focus()}},setDefaultValues:function(){b.url.val("http://");b.title.val("");b.submit.val(wpLinkL10n.save)},searchInternalLinks:function(){var h=f(this),i,g=h.val();if(g.length>2){e.recent.hide();e.search.show();if(wpLink.lastSearch==g){return}wpLink.lastSearch=g;i=h.siblings("img.waiting").show();e.search.change(g);e.search.ajax(function(){i.hide()})}else{e.search.hide();e.recent.show()}},next:function(){e.search.next();e.recent.next()},prev:function(){e.search.prev();e.recent.prev()},keydown:function(i){var h,g=f.ui.keyCode;switch(i.which){case g.UP:h="prev";case g.DOWN:h=h||"next";clearInterval(wpLink.keyInterval);wpLink[h]();wpLink.keyInterval=setInterval(wpLink[h],wpLink.keySensitivity);break;default:return}i.preventDefault()},keyup:function(h){var g=f.ui.keyCode;switch(h.which){case g.ESCAPE:h.stopImmediatePropagation();if(!f(document).triggerHandler("wp_CloseOnEscape",[{event:h,what:"wplink",cb:wpLink.close}])){wpLink.close()}return false;break;case g.UP:case g.DOWN:clearInterval(wpLink.keyInterval);break;default:return}h.preventDefault()},delayedCallback:function(i,g){var l,k,j,h;if(!g){return i}setTimeout(function(){if(k){return i.apply(h,j)}l=true},g);return function(){if(l){return i.apply(this,arguments)}j=arguments;h=this;k=true}},toggleInternalLinking:function(h){var g=f("#search-panel"),i=b.dialog.wpdialog("widget"),k=!g.is(":visible"),j=f(window);f(this).toggleClass("toggle-arrow-active",k);b.dialog.height("auto");g.slideToggle(300,function(){setUserSetting("wplink",k?"1":"0");b[k?"search":"url"].focus();var l=j.scrollTop(),o=i.offset().top,m=o+i.outerHeight(),n=m-j.height();if(n>l){i.animate({top:n<o?o-n:l},200)}});h.preventDefault()}};a=function(i,h){var g=this;this.element=i;this.ul=i.children("ul");this.waiting=i.find(".river-waiting");this.change(h);this.refresh();i.scroll(function(){g.maybeLoad()});i.delegate("li","click",function(j){g.select(f(this),j)})};f.extend(a.prototype,{refresh:function(){this.deselect();this.visible=this.element.is(":visible")},show:function(){if(!this.visible){this.deselect();this.element.show();this.visible=true}},hide:function(){this.element.hide();this.visible=false},select:function(h,k){var j,i,l,g;if(h.hasClass("unselectable")||h==this.selected){return}this.deselect();this.selected=h.addClass("selected");j=h.outerHeight();i=this.element.height();l=h.position().top;g=this.element.scrollTop();if(l<0){this.element.scrollTop(g+l)}else{if(l+j>i){this.element.scrollTop(g+l-i+j)}}this.element.trigger("river-select",[h,k,this])},deselect:function(){if(this.selected){this.selected.removeClass("selected")}this.selected=false},prev:function(){if(!this.visible){return}var g;if(this.selected){g=this.selected.prev("li");if(g.length){this.select(g)}}},next:function(){if(!this.visible){return}var g=this.selected?this.selected.next("li"):f("li:not(.unselectable):first",this.element);if(g.length){this.select(g)}},ajax:function(j){var h=this,i=this.query.page==1?0:wpLink.minRiverAJAXDuration,g=wpLink.delayedCallback(function(k,l){h.process(k,l);if(j){j(k,l)}},i);this.query.ajax(g)},change:function(g){if(this.query&&this._search==g){return}this._search=g;this.query=new c(g);this.element.scrollTop(0)},process:function(h,l){var i="",j=true,g="",k=l.page==1;if(!h){if(k){i+='<li class="unselectable"><span class="item-title"><em>'+wpLinkL10n.noMatchesFound+"</em></span></li>"}}else{f.each(h,function(){g=j?"alternate":"";g+=this["title"]?"":" no-title";i+=g?'<li class="'+g+'">':"<li>";i+='<input type="hidden" class="item-permalink" value="'+this["permalink"]+'" />';i+='<span class="item-title">';i+=this["title"]?this["title"]:wpLinkL10n.noTitle;i+='</span><span class="item-info">'+this["info"]+"</span></li>";j=!j})}this.ul[k?"html":"append"](i)},maybeLoad:function(){var h=this,i=this.element,g=i.scrollTop()+i.height();if(!this.query.ready()||g<this.ul.height()-wpLink.riverBottomThreshold){return}setTimeout(function(){var j=i.scrollTop(),k=j+i.height();if(!h.query.ready()||k<h.ul.height()-wpLink.riverBottomThreshold){return}h.waiting.show();i.scrollTop(j+h.waiting.outerHeight());h.ajax(function(){h.waiting.hide()})},wpLink.timeToTriggerRiver)}});c=function(g){this.page=1;this.allLoaded=false;this.querying=false;this.search=g};f.extend(c.prototype,{ready:function(){return !(this.querying||this.allLoaded)},ajax:function(i){var g=this,h={action:"wp-link-ajax",page:this.page,_ajax_linking_nonce:b.nonce.val()};if(this.search){h.search=this.search}this.querying=true;f.post(ajaxurl,h,function(j){g.page++;g.querying=false;g.allLoaded=!j;i(j,h)},"json")}});f(document).ready(wpLink.init)})(jQuery);
\ No newline at end of file
+/* global ajaxurl, tinymce, wpLinkL10n, tinyMCEPopup, setUserSetting, wpActiveEditor */
+var wpLink;
+
+(function($){
+ var inputs = {}, rivers = {}, ed, River, Query;
+
+ wpLink = {
+ timeToTriggerRiver: 150,
+ minRiverAJAXDuration: 200,
+ riverBottomThreshold: 5,
+ keySensitivity: 100,
+ lastSearch: '',
+ textarea: '',
+
+ init : function() {
+ inputs.dialog = $('#wp-link');
+ inputs.submit = $('#wp-link-submit');
+ // URL
+ inputs.url = $('#url-field');
+ inputs.nonce = $('#_ajax_linking_nonce');
+ // Secondary options
+ inputs.title = $('#link-title-field');
+ // Advanced Options
+ inputs.openInNewTab = $('#link-target-checkbox');
+ inputs.search = $('#search-field');
+ // Build Rivers
+ rivers.search = new River( $('#search-results') );
+ rivers.recent = new River( $('#most-recent-results') );
+ rivers.elements = $('.query-results', inputs.dialog);
+
+ // Bind event handlers
+ inputs.dialog.keydown( wpLink.keydown );
+ inputs.dialog.keyup( wpLink.keyup );
+ inputs.submit.click( function(e){
+ e.preventDefault();
+ wpLink.update();
+ });
+ $('#wp-link-cancel').click( function(e){
+ e.preventDefault();
+ wpLink.close();
+ });
+ $('#internal-toggle').click( wpLink.toggleInternalLinking );
+
+ rivers.elements.bind('river-select', wpLink.updateFields );
+
+ inputs.search.keyup( wpLink.searchInternalLinks );
+
+ inputs.dialog.bind('wpdialogrefresh', wpLink.refresh);
+ inputs.dialog.bind('wpdialogbeforeopen', wpLink.beforeOpen);
+ inputs.dialog.bind('wpdialogclose', wpLink.onClose);
+ },
+
+ beforeOpen : function() {
+ wpLink.range = null;
+
+ if ( ! wpLink.isMCE() && document.selection ) {
+ wpLink.textarea.focus();
+ wpLink.range = document.selection.createRange();
+ }
+ },
+
+ open : function() {
+ if ( !wpActiveEditor )
+ return;
+
+ this.textarea = $('#'+wpActiveEditor).get(0);
+
+ // Initialize the dialog if necessary (html mode).
+ if ( ! inputs.dialog.data('wpdialog') ) {
+ inputs.dialog.wpdialog({
+ title: wpLinkL10n.title,
+ width: 480,
+ height: 'auto',
+ modal: true,
+ dialogClass: 'wp-dialog'
+ });
+ }
+
+ inputs.dialog.wpdialog('open');
+ },
+
+ isMCE : function() {
+ return tinyMCEPopup && ( ed = tinyMCEPopup.editor ) && ! ed.isHidden();
+ },
+
+ refresh : function() {
+ // Refresh rivers (clear links, check visibility)
+ rivers.search.refresh();
+ rivers.recent.refresh();
+
+ if ( wpLink.isMCE() )
+ wpLink.mceRefresh();
+ else
+ wpLink.setDefaultValues();
+
+ // Focus the URL field and highlight its contents.
+ // If this is moved above the selection changes,
+ // IE will show a flashing cursor over the dialog.
+ inputs.url.focus()[0].select();
+ // Load the most recent results if this is the first time opening the panel.
+ if ( ! rivers.recent.ul.children().length )
+ rivers.recent.ajax();
+ },
+
+ mceRefresh : function() {
+ var e;
+ ed = tinyMCEPopup.editor;
+
+ tinyMCEPopup.restoreSelection();
+
+ // If link exists, select proper values.
+ if ( e = ed.dom.getParent(ed.selection.getNode(), 'A') ) {
+ // Set URL and description.
+ inputs.url.val( ed.dom.getAttrib(e, 'href') );
+ inputs.title.val( ed.dom.getAttrib(e, 'title') );
+ // Set open in new tab.
+ inputs.openInNewTab.prop('checked', ( '_blank' == ed.dom.getAttrib( e, 'target' ) ) );
+ // Update save prompt.
+ inputs.submit.val( wpLinkL10n.update );
+
+ // If there's no link, set the default values.
+ } else {
+ wpLink.setDefaultValues();
+ }
+ },
+
+ close : function() {
+ if ( wpLink.isMCE() )
+ tinyMCEPopup.close();
+ else
+ inputs.dialog.wpdialog('close');
+ },
+
+ onClose: function() {
+ if ( ! wpLink.isMCE() ) {
+ wpLink.textarea.focus();
+ if ( wpLink.range ) {
+ wpLink.range.moveToBookmark( wpLink.range.getBookmark() );
+ wpLink.range.select();
+ }
+ }
+ },
+
+ getAttrs : function() {
+ return {
+ href : inputs.url.val(),
+ title : inputs.title.val(),
+ target : inputs.openInNewTab.prop('checked') ? '_blank' : ''
+ };
+ },
+
+ update : function() {
+ if ( wpLink.isMCE() )
+ wpLink.mceUpdate();
+ else
+ wpLink.htmlUpdate();
+ },
+
+ htmlUpdate : function() {
+ var attrs, html, begin, end, cursor, selection,
+ textarea = wpLink.textarea;
+
+ if ( ! textarea )
+ return;
+
+ attrs = wpLink.getAttrs();
+
+ // If there's no href, return.
+ if ( ! attrs.href || attrs.href == 'http://' )
+ return;
+
+ // Build HTML
+ html = '<a href="' + attrs.href + '"';
+
+ if ( attrs.title )
+ html += ' title="' + attrs.title + '"';
+ if ( attrs.target )
+ html += ' target="' + attrs.target + '"';
+
+ html += '>';
+
+ // Insert HTML
+ if ( document.selection && wpLink.range ) {
+ // IE
+ // Note: If no text is selected, IE will not place the cursor
+ // inside the closing tag.
+ textarea.focus();
+ wpLink.range.text = html + wpLink.range.text + '</a>';
+ wpLink.range.moveToBookmark( wpLink.range.getBookmark() );
+ wpLink.range.select();
+
+ wpLink.range = null;
+ } else if ( typeof textarea.selectionStart !== 'undefined' ) {
+ // W3C
+ begin = textarea.selectionStart;
+ end = textarea.selectionEnd;
+ selection = textarea.value.substring( begin, end );
+ html = html + selection + '</a>';
+ cursor = begin + html.length;
+
+ // If no text is selected, place the cursor inside the closing tag.
+ if ( begin == end )
+ cursor -= '</a>'.length;
+
+ textarea.value = textarea.value.substring( 0, begin ) + html +
+ textarea.value.substring( end, textarea.value.length );
+
+ // Update cursor position
+ textarea.selectionStart = textarea.selectionEnd = cursor;
+ }
+
+ wpLink.close();
+ textarea.focus();
+ },
+
+ mceUpdate : function() {
+ var ed = tinyMCEPopup.editor,
+ attrs = wpLink.getAttrs(),
+ e, b;
+
+ tinyMCEPopup.restoreSelection();
+ e = ed.dom.getParent(ed.selection.getNode(), 'A');
+
+ // If the values are empty, unlink and return
+ if ( ! attrs.href || attrs.href == 'http://' ) {
+ if ( e ) {
+ b = ed.selection.getBookmark();
+ ed.dom.remove(e, 1);
+ ed.selection.moveToBookmark(b);
+ tinyMCEPopup.execCommand('mceEndUndoLevel');
+ wpLink.close();
+ }
+ return;
+ }
+
+ if (e == null) {
+ ed.getDoc().execCommand('unlink', false, null);
+ tinyMCEPopup.execCommand('mceInsertLink', false, '#mce_temp_url#', {skip_undo : 1});
+
+ tinymce.each(ed.dom.select('a'), function(n) {
+ if (ed.dom.getAttrib(n, 'href') == '#mce_temp_url#') {
+ e = n;
+ ed.dom.setAttribs(e, attrs);
+ }
+ });
+
+ // Sometimes WebKit lets a user create a link where
+ // they shouldn't be able to. In this case, CreateLink
+ // injects "#mce_temp_url#" into their content. Fix it.
+ if ( tinymce.isWebKit && $(e).text() == '#mce_temp_url#' ) {
+ ed.dom.remove(e);
+ e = null;
+ }
+ } else {
+ ed.dom.setAttribs(e, attrs);
+ }
+
+ // Move the caret if selection was not an image.
+ if ( e && (e.childNodes.length != 1 || e.firstChild.nodeName != 'IMG') ) {
+ ed.selection.select(e);
+ ed.selection.collapse(0);
+ tinyMCEPopup.storeSelection();
+ }
+
+ ed.execCommand('mceEndUndoLevel');
+ wpLink.close();
+ ed.focus();
+ },
+
+ updateFields : function( e, li, originalEvent ) {
+ inputs.url.val( li.children('.item-permalink').val() );
+ inputs.title.val( li.hasClass('no-title') ? '' : li.children('.item-title').text() );
+ if ( originalEvent && originalEvent.type == 'click' )
+ inputs.url.focus();
+ },
+ setDefaultValues : function() {
+ // Set URL and description to defaults.
+ // Leave the new tab setting as-is.
+ inputs.url.val('http://');
+ inputs.title.val('');
+
+ // Update save prompt.
+ inputs.submit.val( wpLinkL10n.save );
+ },
+
+ searchInternalLinks : function() {
+ var t = $(this), waiting,
+ search = t.val();
+
+ if ( search.length > 2 ) {
+ rivers.recent.hide();
+ rivers.search.show();
+
+ // Don't search if the keypress didn't change the title.
+ if ( wpLink.lastSearch == search )
+ return;
+
+ wpLink.lastSearch = search;
+ waiting = t.parent().find('.spinner').show();
+
+ rivers.search.change( search );
+ rivers.search.ajax( function(){ waiting.hide(); });
+ } else {
+ rivers.search.hide();
+ rivers.recent.show();
+ }
+ },
+
+ next : function() {
+ rivers.search.next();
+ rivers.recent.next();
+ },
+ prev : function() {
+ rivers.search.prev();
+ rivers.recent.prev();
+ },
+
+ keydown : function( event ) {
+ var fn, key = $.ui.keyCode;
+
+ if ( event.which !== key.UP && event.which !== key.DOWN ) {
+ return;
+ }
+
+ fn = event.which === key.UP ? 'prev' : 'next';
+ clearInterval( wpLink.keyInterval );
+ wpLink[ fn ]();
+ wpLink.keyInterval = setInterval( wpLink[ fn ], wpLink.keySensitivity );
+ event.preventDefault();
+ },
+
+ keyup: function( event ) {
+ var key = $.ui.keyCode;
+
+ if ( event.which === key.ESCAPE ) {
+ event.stopImmediatePropagation();
+ if ( ! $(document).triggerHandler( 'wp_CloseOnEscape', [{ event: event, what: 'wplink', cb: wpLink.close }] ) )
+ wpLink.close();
+ return false;
+ }
+
+ if ( event.which === key.UP || event.which === key.DOWN ) {
+ clearInterval( wpLink.keyInterval );
+ event.preventDefault();
+ }
+ },
+
+ 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;
+ };
+ },
+
+ toggleInternalLinking : function( event ) {
+ var panel = $('#search-panel'),
+ widget = inputs.dialog.wpdialog('widget'),
+ // We're about to toggle visibility; it's currently the opposite
+ visible = !panel.is(':visible'),
+ win = $(window);
+
+ $(this).toggleClass('toggle-arrow-active', visible);
+
+ inputs.dialog.height('auto');
+ panel.slideToggle( 300, function() {
+ setUserSetting('wplink', visible ? '1' : '0');
+ inputs[ visible ? 'search' : 'url' ].focus();
+
+ // Move the box if the box is now expanded, was opened in a collapsed state,
+ // and if it needs to be moved. (Judged by bottom not being positive or
+ // bottom being smaller than top.)
+ var scroll = win.scrollTop(),
+ top = widget.offset().top,
+ bottom = top + widget.outerHeight(),
+ diff = bottom - win.height();
+
+ if ( diff > scroll ) {
+ widget.animate({'top': diff < top ? top - diff : scroll }, 200);
+ }
+ });
+ event.preventDefault();
+ }
+ };
+
+ River = function( element, search ) {
+ var self = this;
+ this.element = element;
+ this.ul = element.children('ul');
+ this.waiting = element.find('.river-waiting');
+
+ this.change( search );
+ this.refresh();
+
+ element.scroll( function(){ self.maybeLoad(); });
+ element.delegate('li', 'click', function(e){ self.select( $(this), e ); });
+ };
+
+ $.extend( River.prototype, {
+ refresh: function() {
+ this.deselect();
+ this.visible = this.element.is(':visible');
+ },
+ show: function() {
+ if ( ! this.visible ) {
+ this.deselect();
+ this.element.show();
+ this.visible = true;
+ }
+ },
+ hide: function() {
+ this.element.hide();
+ this.visible = false;
+ },
+ // Selects a list item and triggers the river-select event.
+ select: function( li, event ) {
+ var liHeight, elHeight, liTop, elTop;
+
+ if ( li.hasClass('unselectable') || li == this.selected )
+ return;
+
+ this.deselect();
+ this.selected = li.addClass('selected');
+ // Make sure the element is visible
+ liHeight = li.outerHeight();
+ elHeight = this.element.height();
+ liTop = li.position().top;
+ elTop = this.element.scrollTop();
+
+ if ( liTop < 0 ) // Make first visible element
+ this.element.scrollTop( elTop + liTop );
+ else if ( liTop + liHeight > elHeight ) // Make last visible element
+ this.element.scrollTop( elTop + liTop - elHeight + liHeight );
+
+ // Trigger the river-select event
+ this.element.trigger('river-select', [ li, event, this ]);
+ },
+ deselect: function() {
+ if ( this.selected )
+ this.selected.removeClass('selected');
+ this.selected = false;
+ },
+ prev: function() {
+ if ( ! this.visible )
+ return;
+
+ var to;
+ if ( this.selected ) {
+ to = this.selected.prev('li');
+ if ( to.length )
+ this.select( to );
+ }
+ },
+ next: function() {
+ if ( ! this.visible )
+ return;
+
+ var to = this.selected ? this.selected.next('li') : $('li:not(.unselectable):first', this.element);
+ if ( to.length )
+ this.select( to );
+ },
+ ajax: function( callback ) {
+ var self = this,
+ delay = this.query.page == 1 ? 0 : wpLink.minRiverAJAXDuration,
+ response = wpLink.delayedCallback( function( results, params ) {
+ self.process( results, params );
+ if ( callback )
+ callback( results, params );
+ }, delay );
+
+ this.query.ajax( response );
+ },
+ change: function( search ) {
+ if ( this.query && this._search == search )
+ return;
+
+ this._search = search;
+ this.query = new Query( search );
+ this.element.scrollTop(0);
+ },
+ process: function( results, params ) {
+ var list = '', alt = true, classes = '',
+ firstPage = params.page == 1;
+
+ if ( !results ) {
+ if ( firstPage ) {
+ list += '<li class="unselectable"><span class="item-title"><em>' +
+ wpLinkL10n.noMatchesFound + '</em></span></li>';
+ }
+ } else {
+ $.each( results, function() {
+ classes = alt ? 'alternate' : '';
+ classes += this.title ? '' : ' no-title';
+ list += classes ? '<li class="' + classes + '">' : '<li>';
+ list += '<input type="hidden" class="item-permalink" value="' + this.permalink + '" />';
+ list += '<span class="item-title">';
+ list += this.title ? this.title : wpLinkL10n.noTitle;
+ list += '</span><span class="item-info">' + this.info + '</span></li>';
+ alt = ! alt;
+ });
+ }
+
+ this.ul[ firstPage ? 'html' : 'append' ]( list );
+ },
+ maybeLoad: function() {
+ var self = this,
+ el = this.element,
+ bottom = el.scrollTop() + el.height();
+
+ if ( ! this.query.ready() || bottom < this.ul.height() - wpLink.riverBottomThreshold )
+ return;
+
+ setTimeout(function() {
+ var newTop = el.scrollTop(),
+ newBottom = newTop + el.height();
+
+ if ( ! self.query.ready() || newBottom < self.ul.height() - wpLink.riverBottomThreshold )
+ return;
+
+ self.waiting.show();
+ el.scrollTop( newTop + self.waiting.outerHeight() );
+
+ self.ajax( function() { self.waiting.hide(); });
+ }, wpLink.timeToTriggerRiver );
+ }
+ });
+
+ Query = function( search ) {
+ this.page = 1;
+ this.allLoaded = false;
+ this.querying = false;
+ this.search = search;
+ };
+
+ $.extend( Query.prototype, {
+ ready: function() {
+ return !( this.querying || this.allLoaded );
+ },
+ ajax: function( callback ) {
+ var self = this,
+ query = {
+ action : 'wp-link-ajax',
+ page : this.page,
+ '_ajax_linking_nonce' : inputs.nonce.val()
+ };
+
+ if ( this.search )
+ query.search = this.search;
+
+ this.querying = true;
+
+ $.post( ajaxurl, query, function(r) {
+ self.page++;
+ self.querying = false;
+ self.allLoaded = !r;
+ callback( r, query );
+ }, 'json' );
+ }
+ });
+
+ $(document).ready( wpLink.init );
+})(jQuery);