- added a suggest servlet according to opensearch and firefox standard - integrated the suggest servlet into opensearch description file - integrated a autocomplete plugin for jquery - added a autocomplete addition to the yacy search windows showing autosuggest queries git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@7241 6c8d7289-2bf4-0310-a012-ef5d649a1542pull/1/head
orbiter
14 years ago
parent
67b3b4b13b
commit
b7acd92ce4
@ -0,0 +1,80 @@
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// suggestionsjava
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// -----------------------
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// (C) 2010 by Michael Peter Christen; mc@yacy.net
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// first published 11.10.2010 in Frankfurt, Germany on http://yacy.net
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation; either version 2 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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import java.util.Iterator;
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import net.yacy.cora.protocol.RequestHeader;
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import de.anomic.data.DidYouMean;
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import de.anomic.search.Segment;
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import de.anomic.search.Segments;
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import de.anomic.search.Switchboard;
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import de.anomic.server.serverObjects;
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import de.anomic.server.serverSwitch;
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/**
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* implementation of the opensearch suggestion extension, see
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* http://www.opensearch.org/Specifications/OpenSearch/Extensions/Suggestions/1.1
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* or
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* https://wiki.mozilla.org/Search_Service/Suggestions
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*/
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public class suggest {
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private static final int meanMax = 10;
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public static serverObjects respond(final RequestHeader header, final serverObjects post, final serverSwitch env) {
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final Switchboard sb = (Switchboard) env;
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final serverObjects prop = new serverObjects();
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// get query
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String originalquerystring = (post == null) ? "" : post.get("query", post.get("q", "")).trim();
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String querystring = originalquerystring.replace('+', ' ');
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// get segment
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Segment indexSegment = null;
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if (post != null && post.containsKey("segment")) {
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String segmentName = post.get("segment");
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if (sb.indexSegments.segmentExist(segmentName)) {
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indexSegment = sb.indexSegments.segment(segmentName);
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}
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} else {
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// take default segment
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indexSegment = sb.indexSegments.segment(Segments.Process.PUBLIC);
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}
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DidYouMean didYouMean = new DidYouMean(indexSegment.termIndex());
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Iterator<String> meanIt = didYouMean.getSuggestions(querystring, 300, 10).iterator();
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int meanCount = 0;
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String suggestion;
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StringBuilder suggestions = new StringBuilder(120);
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while (meanCount < meanMax && meanIt.hasNext()) {
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suggestion = meanIt.next();
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suggestions.append(',').append('"').append(suggestion).append('"');
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meanCount++;
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}
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prop.put("query", '"' + originalquerystring + '"');
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prop.put("suggestions", suggestions.length() > 0 ? suggestions.substring(1) : "");
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// return rewrite properties
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return prop;
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}
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}
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@ -0,0 +1 @@
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[#[query]#,[#[suggestions]#]]
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.ac_results {
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padding: 0px;
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border: 1px solid black;
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background-color: white;
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overflow: hidden;
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z-index: 99999;
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}
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.ac_results ul {
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width: 100%;
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list-style-position: outside;
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list-style: none;
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padding: 0;
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margin: 0;
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}
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.ac_results li {
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margin: 0px;
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padding: 2px 5px;
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cursor: default;
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display: block;
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/*
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if width will be 100% horizontal scrollbar will apear
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when scroll mode will be used
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*/
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/*width: 100%;*/
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font: menu;
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font-size: 12px;
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/*
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it is very important, if line-height not setted or setted
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in relative units scroll will be broken in firefox
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*/
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line-height: 16px;
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overflow: hidden;
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}
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.ac_loading {
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background: white url('indicator.gif') right center no-repeat;
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}
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.ac_odd {
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background-color: #eee;
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}
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.ac_over {
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background-color: #0A246A;
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color: white;
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}
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/*
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* jQuery Autocomplete plugin 1.1
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*
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* Copyright (c) 2009 Jörn Zaefferer
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*
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* Dual licensed under the MIT and GPL licenses:
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* http://www.opensource.org/licenses/mit-license.php
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* http://www.gnu.org/licenses/gpl.html
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*
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* Revision: $Id: jquery.autocomplete.js 14 2009-08-22 10:29:29Z joern.zaefferer $
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*/
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;(function($) {
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$.fn.extend({
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autocomplete: function(urlOrData, options) {
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var isUrl = typeof urlOrData == "string";
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options = $.extend({}, $.Autocompleter.defaults, {
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url: isUrl ? urlOrData : null,
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data: isUrl ? null : urlOrData,
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delay: isUrl ? $.Autocompleter.defaults.delay : 10,
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max: options && !options.scroll ? 10 : 150
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}, options);
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// if highlight is set to false, replace it with a do-nothing function
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options.highlight = options.highlight || function(value) { return value; };
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// if the formatMatch option is not specified, then use formatItem for backwards compatibility
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options.formatMatch = options.formatMatch || options.formatItem;
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return this.each(function() {
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new $.Autocompleter(this, options);
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});
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},
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result: function(handler) {
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return this.bind("result", handler);
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},
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search: function(handler) {
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return this.trigger("search", [handler]);
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},
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flushCache: function() {
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return this.trigger("flushCache");
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},
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setOptions: function(options){
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return this.trigger("setOptions", [options]);
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},
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unautocomplete: function() {
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return this.trigger("unautocomplete");
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}
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});
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$.Autocompleter = function(input, options) {
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var KEY = {
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UP: 38,
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DOWN: 40,
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DEL: 46,
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TAB: 9,
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RETURN: 13,
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ESC: 27,
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COMMA: 188,
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PAGEUP: 33,
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PAGEDOWN: 34,
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BACKSPACE: 8
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};
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// Create $ object for input element
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var $input = $(input).attr("autocomplete", "off").addClass(options.inputClass);
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var timeout;
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var previousValue = "";
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var cache = $.Autocompleter.Cache(options);
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var hasFocus = 0;
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var lastKeyPressCode;
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var config = {
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mouseDownOnSelect: false
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};
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var select = $.Autocompleter.Select(options, input, selectCurrent, config);
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var blockSubmit;
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// prevent form submit in opera when selecting with return key
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$.browser.opera && $(input.form).bind("submit.autocomplete", function() {
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if (blockSubmit) {
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blockSubmit = false;
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return false;
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}
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});
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// only opera doesn't trigger keydown multiple times while pressed, others don't work with keypress at all
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$input.bind(($.browser.opera ? "keypress" : "keydown") + ".autocomplete", function(event) {
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// a keypress means the input has focus
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// avoids issue where input had focus before the autocomplete was applied
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hasFocus = 1;
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// track last key pressed
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lastKeyPressCode = event.keyCode;
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switch(event.keyCode) {
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case KEY.UP:
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event.preventDefault();
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if ( select.visible() ) {
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select.prev();
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} else {
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onChange(0, true);
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}
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break;
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case KEY.DOWN:
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event.preventDefault();
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if ( select.visible() ) {
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select.next();
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} else {
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onChange(0, true);
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}
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break;
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case KEY.PAGEUP:
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event.preventDefault();
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if ( select.visible() ) {
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select.pageUp();
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} else {
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onChange(0, true);
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}
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break;
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case KEY.PAGEDOWN:
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event.preventDefault();
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if ( select.visible() ) {
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select.pageDown();
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} else {
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onChange(0, true);
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}
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break;
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// matches also semicolon
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case options.multiple && $.trim(options.multipleSeparator) == "," && KEY.COMMA:
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case KEY.TAB:
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case KEY.RETURN:
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if( selectCurrent() ) {
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// stop default to prevent a form submit, Opera needs special handling
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event.preventDefault();
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blockSubmit = true;
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return false;
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}
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break;
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case KEY.ESC:
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select.hide();
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break;
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default:
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clearTimeout(timeout);
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timeout = setTimeout(onChange, options.delay);
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break;
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}
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}).focus(function(){
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// track whether the field has focus, we shouldn't process any
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// results if the field no longer has focus
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hasFocus++;
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}).blur(function() {
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hasFocus = 0;
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if (!config.mouseDownOnSelect) {
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hideResults();
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}
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}).click(function() {
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// show select when clicking in a focused field
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if ( hasFocus++ > 1 && !select.visible() ) {
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onChange(0, true);
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}
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}).bind("search", function() {
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// TODO why not just specifying both arguments?
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var fn = (arguments.length > 1) ? arguments[1] : null;
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function findValueCallback(q, data) {
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var result;
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if( data && data.length ) {
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for (var i=0; i < data.length; i++) {
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if( data[i].result.toLowerCase() == q.toLowerCase() ) {
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result = data[i];
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break;
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}
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}
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}
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if( typeof fn == "function" ) fn(result);
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else $input.trigger("result", result && [result.data, result.value]);
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}
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$.each(trimWords($input.val()), function(i, value) {
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request(value, findValueCallback, findValueCallback);
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});
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}).bind("flushCache", function() {
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cache.flush();
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}).bind("setOptions", function() {
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$.extend(options, arguments[1]);
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// if we've updated the data, repopulate
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if ( "data" in arguments[1] )
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cache.populate();
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}).bind("unautocomplete", function() {
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select.unbind();
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$input.unbind();
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$(input.form).unbind(".autocomplete");
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});
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function selectCurrent() {
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var selected = select.selected();
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if( !selected )
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return false;
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var v = selected.result;
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previousValue = v;
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if ( options.multiple ) {
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var words = trimWords($input.val());
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if ( words.length > 1 ) {
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var seperator = options.multipleSeparator.length;
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var cursorAt = $(input).selection().start;
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var wordAt, progress = 0;
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$.each(words, function(i, word) {
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progress += word.length;
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if (cursorAt <= progress) {
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wordAt = i;
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return false;
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}
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progress += seperator;
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});
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words[wordAt] = v;
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// TODO this should set the cursor to the right position, but it gets overriden somewhere
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//$.Autocompleter.Selection(input, progress + seperator, progress + seperator);
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v = words.join( options.multipleSeparator );
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}
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v += options.multipleSeparator;
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}
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$input.val(v);
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hideResultsNow();
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$input.trigger("result", [selected.data, selected.value]);
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return true;
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}
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function onChange(crap, skipPrevCheck) {
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if( lastKeyPressCode == KEY.DEL ) {
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select.hide();
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return;
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}
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var currentValue = $input.val();
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if ( !skipPrevCheck && currentValue == previousValue )
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return;
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previousValue = currentValue;
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currentValue = lastWord(currentValue);
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if ( currentValue.length >= options.minChars) {
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$input.addClass(options.loadingClass);
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if (!options.matchCase)
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currentValue = currentValue.toLowerCase();
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request(currentValue, receiveData, hideResultsNow);
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} else {
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stopLoading();
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select.hide();
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}
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};
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function trimWords(value) {
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if (!value)
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return [""];
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if (!options.multiple)
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return [$.trim(value)];
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return $.map(value.split(options.multipleSeparator), function(word) {
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return $.trim(value).length ? $.trim(word) : null;
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});
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}
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function lastWord(value) {
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if ( !options.multiple )
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return value;
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var words = trimWords(value);
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if (words.length == 1)
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return words[0];
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var cursorAt = $(input).selection().start;
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if (cursorAt == value.length) {
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words = trimWords(value)
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} else {
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words = trimWords(value.replace(value.substring(cursorAt), ""));
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}
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return words[words.length - 1];
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}
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// fills in the input box w/the first match (assumed to be the best match)
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// q: the term entered
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// sValue: the first matching result
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function autoFill(q, sValue){
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// autofill in the complete box w/the first match as long as the user hasn't entered in more data
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// if the last user key pressed was backspace, don't autofill
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if( options.autoFill && (lastWord($input.val()).toLowerCase() == q.toLowerCase()) && lastKeyPressCode != KEY.BACKSPACE ) {
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// fill in the value (keep the case the user has typed)
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$input.val($input.val() + sValue.substring(lastWord(previousValue).length));
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// select the portion of the value not typed by the user (so the next character will erase)
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$(input).selection(previousValue.length, previousValue.length + sValue.length);
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}
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};
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function hideResults() {
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clearTimeout(timeout);
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timeout = setTimeout(hideResultsNow, 200);
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};
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function hideResultsNow() {
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var wasVisible = select.visible();
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select.hide();
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clearTimeout(timeout);
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stopLoading();
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if (options.mustMatch) {
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// call search and run callback
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$input.search(
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function (result){
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// if no value found, clear the input box
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if( !result ) {
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if (options.multiple) {
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var words = trimWords($input.val()).slice(0, -1);
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$input.val( words.join(options.multipleSeparator) + (words.length ? options.multipleSeparator : "") );
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}
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else {
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$input.val( "" );
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$input.trigger("result", null);
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}
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}
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}
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);
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}
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};
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function receiveData(q, data) {
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if ( data && data.length && hasFocus ) {
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stopLoading();
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select.display(data, q);
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autoFill(q, data[0].value);
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select.show();
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} else {
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hideResultsNow();
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}
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};
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function request(term, success, failure) {
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if (!options.matchCase)
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term = term.toLowerCase();
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var data = cache.load(term);
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// recieve the cached data
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if (data && data.length) {
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success(term, data);
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// if an AJAX url has been supplied, try loading the data now
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} else if( (typeof options.url == "string") && (options.url.length > 0) ){
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var extraParams = {
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timestamp: +new Date()
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};
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$.each(options.extraParams, function(key, param) {
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extraParams[key] = typeof param == "function" ? param() : param;
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});
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||||
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$.ajax({
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||||
// try to leverage ajaxQueue plugin to abort previous requests
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mode: "abort",
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// limit abortion to this input
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port: "autocomplete" + input.name,
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dataType: options.dataType,
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url: options.url,
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data: $.extend({
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q: lastWord(term),
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limit: options.max
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}, extraParams),
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success: function(data) {
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||||
var parsed = options.parse && options.parse(data) || parse(data);
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cache.add(term, parsed);
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success(term, parsed);
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}
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});
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||||
} else {
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||||
// if we have a failure, we need to empty the list -- this prevents the the [TAB] key from selecting the last successful match
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select.emptyList();
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failure(term);
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||||
}
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||||
};
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||||
|
||||
function parse(data) {
|
||||
var parsed = [];
|
||||
var rows = data.split("\n");
|
||||
for (var i=0; i < rows.length; i++) {
|
||||
var row = $.trim(rows[i]);
|
||||
if (row) {
|
||||
row = row.split("|");
|
||||
parsed[parsed.length] = {
|
||||
data: row,
|
||||
value: row[0],
|
||||
result: options.formatResult && options.formatResult(row, row[0]) || row[0]
|
||||
};
|
||||
}
|
||||
}
|
||||
return parsed;
|
||||
};
|
||||
|
||||
function stopLoading() {
|
||||
$input.removeClass(options.loadingClass);
|
||||
};
|
||||
|
||||
};
|
||||
|
||||
$.Autocompleter.defaults = {
|
||||
inputClass: "ac_input",
|
||||
resultsClass: "ac_results",
|
||||
loadingClass: "ac_loading",
|
||||
minChars: 1,
|
||||
delay: 400,
|
||||
matchCase: false,
|
||||
matchSubset: true,
|
||||
matchContains: false,
|
||||
cacheLength: 10,
|
||||
max: 100,
|
||||
mustMatch: false,
|
||||
extraParams: {},
|
||||
selectFirst: true,
|
||||
formatItem: function(row) { return row[0]; },
|
||||
formatMatch: null,
|
||||
autoFill: false,
|
||||
width: 0,
|
||||
multiple: false,
|
||||
multipleSeparator: ", ",
|
||||
highlight: function(value, term) {
|
||||
return value.replace(new RegExp("(?![^&;]+;)(?!<[^<>]*)(" + term.replace(/([\^\$\(\)\[\]\{\}\*\.\+\?\|\\])/gi, "\\$1") + ")(?![^<>]*>)(?![^&;]+;)", "gi"), "<strong>$1</strong>");
|
||||
},
|
||||
scroll: true,
|
||||
scrollHeight: 180
|
||||
};
|
||||
|
||||
$.Autocompleter.Cache = function(options) {
|
||||
|
||||
var data = {};
|
||||
var length = 0;
|
||||
|
||||
function matchSubset(s, sub) {
|
||||
if (!options.matchCase)
|
||||
s = s.toLowerCase();
|
||||
var i = s.indexOf(sub);
|
||||
if (options.matchContains == "word"){
|
||||
i = s.toLowerCase().search("\\b" + sub.toLowerCase());
|
||||
}
|
||||
if (i == -1) return false;
|
||||
return i == 0 || options.matchContains;
|
||||
};
|
||||
|
||||
function add(q, value) {
|
||||
if (length > options.cacheLength){
|
||||
flush();
|
||||
}
|
||||
if (!data[q]){
|
||||
length++;
|
||||
}
|
||||
data[q] = value;
|
||||
}
|
||||
|
||||
function populate(){
|
||||
if( !options.data ) return false;
|
||||
// track the matches
|
||||
var stMatchSets = {},
|
||||
nullData = 0;
|
||||
|
||||
// no url was specified, we need to adjust the cache length to make sure it fits the local data store
|
||||
if( !options.url ) options.cacheLength = 1;
|
||||
|
||||
// track all options for minChars = 0
|
||||
stMatchSets[""] = [];
|
||||
|
||||
// loop through the array and create a lookup structure
|
||||
for ( var i = 0, ol = options.data.length; i < ol; i++ ) {
|
||||
var rawValue = options.data[i];
|
||||
// if rawValue is a string, make an array otherwise just reference the array
|
||||
rawValue = (typeof rawValue == "string") ? [rawValue] : rawValue;
|
||||
|
||||
var value = options.formatMatch(rawValue, i+1, options.data.length);
|
||||
if ( value === false )
|
||||
continue;
|
||||
|
||||
var firstChar = value.charAt(0).toLowerCase();
|
||||
// if no lookup array for this character exists, look it up now
|
||||
if( !stMatchSets[firstChar] )
|
||||
stMatchSets[firstChar] = [];
|
||||
|
||||
// if the match is a string
|
||||
var row = {
|
||||
value: value,
|
||||
data: rawValue,
|
||||
result: options.formatResult && options.formatResult(rawValue) || value
|
||||
};
|
||||
|
||||
// push the current match into the set list
|
||||
stMatchSets[firstChar].push(row);
|
||||
|
||||
// keep track of minChars zero items
|
||||
if ( nullData++ < options.max ) {
|
||||
stMatchSets[""].push(row);
|
||||
}
|
||||
};
|
||||
|
||||
// add the data items to the cache
|
||||
$.each(stMatchSets, function(i, value) {
|
||||
// increase the cache size
|
||||
options.cacheLength++;
|
||||
// add to the cache
|
||||
add(i, value);
|
||||
});
|
||||
}
|
||||
|
||||
// populate any existing data
|
||||
setTimeout(populate, 25);
|
||||
|
||||
function flush(){
|
||||
data = {};
|
||||
length = 0;
|
||||
}
|
||||
|
||||
return {
|
||||
flush: flush,
|
||||
add: add,
|
||||
populate: populate,
|
||||
load: function(q) {
|
||||
if (!options.cacheLength || !length)
|
||||
return null;
|
||||
/*
|
||||
* if dealing w/local data and matchContains than we must make sure
|
||||
* to loop through all the data collections looking for matches
|
||||
*/
|
||||
if( !options.url && options.matchContains ){
|
||||
// track all matches
|
||||
var csub = [];
|
||||
// loop through all the data grids for matches
|
||||
for( var k in data ){
|
||||
// don't search through the stMatchSets[""] (minChars: 0) cache
|
||||
// this prevents duplicates
|
||||
if( k.length > 0 ){
|
||||
var c = data[k];
|
||||
$.each(c, function(i, x) {
|
||||
// if we've got a match, add it to the array
|
||||
if (matchSubset(x.value, q)) {
|
||||
csub.push(x);
|
||||
}
|
||||
});
|
||||
}
|
||||
}
|
||||
return csub;
|
||||
} else
|
||||
// if the exact item exists, use it
|
||||
if (data[q]){
|
||||
return data[q];
|
||||
} else
|
||||
if (options.matchSubset) {
|
||||
for (var i = q.length - 1; i >= options.minChars; i--) {
|
||||
var c = data[q.substr(0, i)];
|
||||
if (c) {
|
||||
var csub = [];
|
||||
$.each(c, function(i, x) {
|
||||
if (matchSubset(x.value, q)) {
|
||||
csub[csub.length] = x;
|
||||
}
|
||||
});
|
||||
return csub;
|
||||
}
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
};
|
||||
};
|
||||
|
||||
$.Autocompleter.Select = function (options, input, select, config) {
|
||||
var CLASSES = {
|
||||
ACTIVE: "ac_over"
|
||||
};
|
||||
|
||||
var listItems,
|
||||
active = -1,
|
||||
data,
|
||||
term = "",
|
||||
needsInit = true,
|
||||
element,
|
||||
list;
|
||||
|
||||
// Create results
|
||||
function init() {
|
||||
if (!needsInit)
|
||||
return;
|
||||
element = $("<div/>")
|
||||
.hide()
|
||||
.addClass(options.resultsClass)
|
||||
.css("position", "absolute")
|
||||
.appendTo(document.body);
|
||||
|
||||
list = $("<ul/>").appendTo(element).mouseover( function(event) {
|
||||
if(target(event).nodeName && target(event).nodeName.toUpperCase() == 'LI') {
|
||||
active = $("li", list).removeClass(CLASSES.ACTIVE).index(target(event));
|
||||
$(target(event)).addClass(CLASSES.ACTIVE);
|
||||
}
|
||||
}).click(function(event) {
|
||||
$(target(event)).addClass(CLASSES.ACTIVE);
|
||||
select();
|
||||
// TODO provide option to avoid setting focus again after selection? useful for cleanup-on-focus
|
||||
input.focus();
|
||||
return false;
|
||||
}).mousedown(function() {
|
||||
config.mouseDownOnSelect = true;
|
||||
}).mouseup(function() {
|
||||
config.mouseDownOnSelect = false;
|
||||
});
|
||||
|
||||
if( options.width > 0 )
|
||||
element.css("width", options.width);
|
||||
|
||||
needsInit = false;
|
||||
}
|
||||
|
||||
function target(event) {
|
||||
var element = event.target;
|
||||
while(element && element.tagName != "LI")
|
||||
element = element.parentNode;
|
||||
// more fun with IE, sometimes event.target is empty, just ignore it then
|
||||
if(!element)
|
||||
return [];
|
||||
return element;
|
||||
}
|
||||
|
||||
function moveSelect(step) {
|
||||
listItems.slice(active, active + 1).removeClass(CLASSES.ACTIVE);
|
||||
movePosition(step);
|
||||
var activeItem = listItems.slice(active, active + 1).addClass(CLASSES.ACTIVE);
|
||||
if(options.scroll) {
|
||||
var offset = 0;
|
||||
listItems.slice(0, active).each(function() {
|
||||
offset += this.offsetHeight;
|
||||
});
|
||||
if((offset + activeItem[0].offsetHeight - list.scrollTop()) > list[0].clientHeight) {
|
||||
list.scrollTop(offset + activeItem[0].offsetHeight - list.innerHeight());
|
||||
} else if(offset < list.scrollTop()) {
|
||||
list.scrollTop(offset);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
function movePosition(step) {
|
||||
active += step;
|
||||
if (active < 0) {
|
||||
active = listItems.size() - 1;
|
||||
} else if (active >= listItems.size()) {
|
||||
active = 0;
|
||||
}
|
||||
}
|
||||
|
||||
function limitNumberOfItems(available) {
|
||||
return options.max && options.max < available
|
||||
? options.max
|
||||
: available;
|
||||
}
|
||||
|
||||
function fillList() {
|
||||
list.empty();
|
||||
var max = limitNumberOfItems(data.length);
|
||||
for (var i=0; i < max; i++) {
|
||||
if (!data[i])
|
||||
continue;
|
||||
var formatted = options.formatItem(data[i].data, i+1, max, data[i].value, term);
|
||||
if ( formatted === false )
|
||||
continue;
|
||||
var li = $("<li/>").html( options.highlight(formatted, term) ).addClass(i%2 == 0 ? "ac_even" : "ac_odd").appendTo(list)[0];
|
||||
$.data(li, "ac_data", data[i]);
|
||||
}
|
||||
listItems = list.find("li");
|
||||
if ( options.selectFirst ) {
|
||||
listItems.slice(0, 1).addClass(CLASSES.ACTIVE);
|
||||
active = 0;
|
||||
}
|
||||
// apply bgiframe if available
|
||||
if ( $.fn.bgiframe )
|
||||
list.bgiframe();
|
||||
}
|
||||
|
||||
return {
|
||||
display: function(d, q) {
|
||||
init();
|
||||
data = d;
|
||||
term = q;
|
||||
fillList();
|
||||
},
|
||||
next: function() {
|
||||
moveSelect(1);
|
||||
},
|
||||
prev: function() {
|
||||
moveSelect(-1);
|
||||
},
|
||||
pageUp: function() {
|
||||
if (active != 0 && active - 8 < 0) {
|
||||
moveSelect( -active );
|
||||
} else {
|
||||
moveSelect(-8);
|
||||
}
|
||||
},
|
||||
pageDown: function() {
|
||||
if (active != listItems.size() - 1 && active + 8 > listItems.size()) {
|
||||
moveSelect( listItems.size() - 1 - active );
|
||||
} else {
|
||||
moveSelect(8);
|
||||
}
|
||||
},
|
||||
hide: function() {
|
||||
element && element.hide();
|
||||
listItems && listItems.removeClass(CLASSES.ACTIVE);
|
||||
active = -1;
|
||||
},
|
||||
visible : function() {
|
||||
return element && element.is(":visible");
|
||||
},
|
||||
current: function() {
|
||||
return this.visible() && (listItems.filter("." + CLASSES.ACTIVE)[0] || options.selectFirst && listItems[0]);
|
||||
},
|
||||
show: function() {
|
||||
var offset = $(input).offset();
|
||||
element.css({
|
||||
width: typeof options.width == "string" || options.width > 0 ? options.width : $(input).width(),
|
||||
top: offset.top + input.offsetHeight,
|
||||
left: offset.left
|
||||
}).show();
|
||||
if(options.scroll) {
|
||||
list.scrollTop(0);
|
||||
list.css({
|
||||
maxHeight: options.scrollHeight,
|
||||
overflow: 'auto'
|
||||
});
|
||||
|
||||
if($.browser.msie && typeof document.body.style.maxHeight === "undefined") {
|
||||
var listHeight = 0;
|
||||
listItems.each(function() {
|
||||
listHeight += this.offsetHeight;
|
||||
});
|
||||
var scrollbarsVisible = listHeight > options.scrollHeight;
|
||||
list.css('height', scrollbarsVisible ? options.scrollHeight : listHeight );
|
||||
if (!scrollbarsVisible) {
|
||||
// IE doesn't recalculate width when scrollbar disappears
|
||||
listItems.width( list.width() - parseInt(listItems.css("padding-left")) - parseInt(listItems.css("padding-right")) );
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
},
|
||||
selected: function() {
|
||||
var selected = listItems && listItems.filter("." + CLASSES.ACTIVE).removeClass(CLASSES.ACTIVE);
|
||||
return selected && selected.length && $.data(selected[0], "ac_data");
|
||||
},
|
||||
emptyList: function (){
|
||||
list && list.empty();
|
||||
},
|
||||
unbind: function() {
|
||||
element && element.remove();
|
||||
}
|
||||
};
|
||||
};
|
||||
|
||||
$.fn.selection = function(start, end) {
|
||||
if (start !== undefined) {
|
||||
return this.each(function() {
|
||||
if( this.createTextRange ){
|
||||
var selRange = this.createTextRange();
|
||||
if (end === undefined || start == end) {
|
||||
selRange.move("character", start);
|
||||
selRange.select();
|
||||
} else {
|
||||
selRange.collapse(true);
|
||||
selRange.moveStart("character", start);
|
||||
selRange.moveEnd("character", end);
|
||||
selRange.select();
|
||||
}
|
||||
} else if( this.setSelectionRange ){
|
||||
this.setSelectionRange(start, end);
|
||||
} else if( this.selectionStart ){
|
||||
this.selectionStart = start;
|
||||
this.selectionEnd = end;
|
||||
}
|
||||
});
|
||||
}
|
||||
var field = this[0];
|
||||
if ( field.createTextRange ) {
|
||||
var range = document.selection.createRange(),
|
||||
orig = field.value,
|
||||
teststring = "<->",
|
||||
textLength = range.text.length;
|
||||
range.text = teststring;
|
||||
var caretAt = field.value.indexOf(teststring);
|
||||
field.value = orig;
|
||||
this.selection(caretAt, caretAt + textLength);
|
||||
return {
|
||||
start: caretAt,
|
||||
end: caretAt + textLength
|
||||
}
|
||||
} else if( field.selectionStart !== undefined ){
|
||||
return {
|
||||
start: field.selectionStart,
|
||||
end: field.selectionEnd
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
})(jQuery);
|
||||
Loading…
Reference in new issue