--- /dev/null
+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',
+ zIndex: 300000
+ });
+ }
+
+ 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.
+ if ( "_blank" == ed.dom.getAttrib(e, 'target') )
+ inputs.openInNewTab.prop('checked', true);
+ // Update save prompt.
+ inputs.submit.val( wpLinkL10n.update );
+
+ // If there's no link, set the default values.
+ } else {
+ wpLink.setDefaultValues();
+ }
+
+ tinyMCEPopup.storeSelection();
+ },
+
+ 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, start, end, cursor,
+ 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
+ // W3C
+ if ( typeof textarea.selectionStart !== 'undefined' ) {
+ start = textarea.selectionStart;
+ end = textarea.selectionEnd;
+ selection = textarea.value.substring( start, end );
+ html = html + selection + '</a>';
+ cursor = start + html.length;
+
+ // If no next is selected, place the cursor inside the closing tag.
+ if ( start == end )
+ cursor -= '</a>'.length;
+
+ textarea.value = textarea.value.substring( 0, start )
+ + html
+ + textarea.value.substring( end, textarea.value.length );
+
+ // Update cursor position
+ textarea.selectionStart = textarea.selectionEnd = cursor;
+
+ // IE
+ // Note: If no text is selected, IE will not place the cursor
+ // inside the closing tag.
+ } else if ( document.selection && wpLink.range ) {
+ textarea.focus();
+ wpLink.range.text = html + wpLink.range.text + '</a>';
+ wpLink.range.moveToBookmark( wpLink.range.getBookmark() );
+ wpLink.range.select();
+
+ wpLink.range = null;
+ }
+
+ 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 ) {
+ tinyMCEPopup.execCommand("mceBeginUndoLevel");
+ b = ed.selection.getBookmark();
+ ed.dom.remove(e, 1);
+ ed.selection.moveToBookmark(b);
+ tinyMCEPopup.execCommand("mceEndUndoLevel");
+ wpLink.close();
+ }
+ return;
+ }
+
+ tinyMCEPopup.execCommand("mceBeginUndoLevel");
+
+ if (e == null) {
+ ed.getDoc().execCommand("unlink", false, null);
+ tinyMCEPopup.execCommand("CreateLink", 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 ( $(e).text() == '#mce_temp_url#' ) {
+ ed.dom.remove(e);
+ e = null;
+ }
+ } else {
+ ed.dom.setAttribs(e, attrs);
+ }
+
+ // Don't move caret if selection was image
+ if ( e && (e.childNodes.length != 1 || e.firstChild.nodeName != 'IMG') ) {
+ ed.focus();
+ ed.selection.select(e);
+ ed.selection.collapse(0);
+ tinyMCEPopup.storeSelection();
+ }
+
+ tinyMCEPopup.execCommand("mceEndUndoLevel");
+ wpLink.close();
+ },
+
+ 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.siblings('img.waiting').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;
+
+ switch( event.which ) {
+ case key.UP:
+ fn = 'prev';
+ case key.DOWN:
+ fn = fn || 'next';
+ clearInterval( wpLink.keyInterval );
+ wpLink[ fn ]();
+ wpLink.keyInterval = setInterval( wpLink[ fn ], wpLink.keySensitivity );
+ break;
+ default:
+ return;
+ }
+ event.preventDefault();
+ },
+ keyup: function( event ) {
+ var key = $.ui.keyCode;
+
+ switch( event.which ) {
+ case key.ESCAPE:
+ event.stopImmediatePropagation();
+ if ( ! $(document).triggerHandler( 'wp_CloseOnEscape', [{ event: event, what: 'wplink', cb: wpLink.close }] ) )
+ wpLink.close();
+
+ return false;
+ break;
+ case key.UP:
+ case key.DOWN:
+ clearInterval( wpLink.keyInterval );
+ break;
+ default:
+ return;
+ }
+ 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);
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff