From: Anders S. Mortensen Date: Fri, 5 Jan 2007 11:30:13 +0000 (+0000) Subject: Added facet toggle function. X-Git-Tag: before.append.child~30 X-Git-Url: http://lists.indexdata.com/cgi-bin?a=commitdiff_plain;h=0fba4c4e15c9e73f0ddec926c36e17a3113df086;p=pazpar2-moved-to-github.git Added facet toggle function. --- diff --git a/www/demo/page_segments.phpi b/www/demo/page_segments.phpi index 2b3da07..ac34758 100644 --- a/www/demo/page_segments.phpi +++ b/www/demo/page_segments.phpi @@ -1,6 +1,6 @@
-
+
Limit search results
Narrow your search by using the keywords below:

- Subject -
+ Subject + +
- Author -
+ + Author + +
- Institution -
+ + Institution + +
- Date -
+ + Date +
END_OF_HEADER; diff --git a/www/demo/search.js b/www/demo/search.js new file mode 100644 index 0000000..32d3a18 --- /dev/null +++ b/www/demo/search.js @@ -0,0 +1,496 @@ +/* $Id: search.js,v 1.1 2007-01-05 11:30:13 sondberg Exp $ + * --------------------------------------------------- + * Javascript container + */ + +var xmlHttp +var xinitSession; +var xloadTargets; +var xsearch; +var xshow; +var xstat; +var xtermlist; +var session = false; +var targetsloaded = false; +var shown; +var searchtimer; +var showtimer; +var termtimer; +var stattimer; +var session_cells = Array('query', 'startrec', 'action_type'); +var old_session = session_read(); +var url_surveillence; +var recstoshow = 15; +var cur_termlist = "subject"; + +function initialize () +{ + start_session(); + session_check(); +} + + +function GetXmlHttpObject() +{ + var objXMLHttp=null + if (window.XMLHttpRequest) + { + objXMLHttp=new XMLHttpRequest() + } + else if (window.ActiveXObject) + { + objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP") + } + return objXMLHttp +} + +function SendXmlHttpObject(obj, url, handler) +{ + obj.onreadystatechange=handler; + obj.open("GET", url); + obj.send(null); +} + +function session_started() +{ + if (xinitSession.readyState != 4) + return; + var xml = xinitSession.responseXML; + var sesid = xml.getElementsByTagName("session")[0].childNodes[0].nodeValue; + document.getElementById("status").innerHTML = "Live"; + session = sesid; + setTimeout(ping_session, 50000); +} + +function start_session() +{ + xinitSession = GetXmlHttpObject(); + var url="search.pz2?"; + url += "command=init"; + xinitSession.onreadystatechange=session_started; + xinitSession.open("GET", url); + xinitSession.send(null); + + //url_surveillence = setInterval(session_check, 200); +} + +function ping_session() +{ + if (!session) + return; + var url = "search.pz2?command=ping&session=" + session; + SendXmlHttpObject(xpingSession = GetXmlHttpObject(), url, session_pinged); +} + +function session_pinged() +{ + if (xpingSession.readyState != 4) + return; + var xml = xpingSession.responseXML; + var error = xml.getElementsByTagName("error"); + if (error[0]) + { + var msg = error[0].childNodes[0].nodeValue; + alert(msg); + location = "?"; + return; + } + setTimeout(ping_session, 50000); +} + +function targets_loaded() +{ + if (xloadTargets.readyState != 4) + return; + var xml = xloadTargets.responseXML; + var error = xml.getElementsByTagName("error"); + if (error[0]) + { + var msg = error[0].childNodes[0].nodeValue; + alert(msg); + return; + } + document.getElementById("targetstatus").innerHTML = "Targets loaded"; +} + +function load_targets() +{ + var fn = document.getElementById("targetfilename").value; + clearTimeout(termtimer); + clearTimeout(searchtimer); + clearTimeout(stattimer); + clearTimeout(showtimer); + document.getElementById("stat").innerHTML = ""; + if (!fn) + { + alert("Please enter a target definition file name"); + return; + } + var url="search.pz2?" + + "command=load" + + "&session=" + session + + "&name=" + fn; + document.getElementById("targetstatus").innerHTML = "Loading targets..."; + xloadTargets = GetXmlHttpObject(); + xloadTargets.onreadystatechange=targets_loaded; + xloadTargets.open("GET", url); + xloadTargets.send(null); +} + + +function update_action (new_action) { + document.search.action_type.value = new_action; +} + + +function show_records() +{ + if (xshow.readyState != 4) + return; + var i; + var xml = xshow.responseXML; + var body = document.getElementById("body"); + var hits = xml.getElementsByTagName("hit"); + if (!hits[0]) // We should never get here with blocking operations + { + body.innerHTML = "No records yet"; + searchtimer = setTimeout(check_search, 250); + } + else + { + + var total = Number(xml.getElementsByTagName('total')[0].childNodes[0].nodeValue); + var merged = Number(xml.getElementsByTagName('merged')[0].childNodes[0].nodeValue); + var start = Number(xml.getElementsByTagName('start')[0].childNodes[0].nodeValue); + var num = Number(xml.getElementsByTagName('num')[0].childNodes[0].nodeValue); + var clients = Number(xml.getElementsByTagName("activeclients")[0].childNodes[0].nodeValue); + body.innerHTML = 'Records : '; + body.innerHTML += (start + 1) + ' to ' + (start + num) + + ' of ' + merged + ' (total hits: ' + total + ')'; + + if (start + num < merged) + body.innerHTML += ' Next'; + + if (start > 0) + body.innerHTML += ' Previous'; + + body.innerHTML += '
'; + for (i = 0; i < hits.length; i++) + { + body.innerHTML += '

'; + body.innerHTML += (i + start + 1) + ': '; + var mk = hits[i].getElementsByTagName("title"); + if (mk[0]) + body.innerHTML += mk[0].childNodes[0].nodeValue; + body.innerHTML += '

'; + } + shown++; + if (clients > 0) + { + if (shown < 5) + searchtimer = setTimeout(check_search, 1000); + else + searchtimer = setTimeout(check_search, 2000); + } + } + if (!termtimer) + termtimer = setTimeout(check_termlist, 1000); +} + +function check_search() +{ + clearTimeout(searchtimer); + var url = "search.pz2?" + + "command=show" + + "&start=" + document.search.startrec.value + + "&num=" + recstoshow + + "&session=" + session + + "&block=1"; + xshow = GetXmlHttpObject(); + xshow.onreadystatechange=show_records; + xshow.open("GET", url); + xshow.send(null); +} + + +function refine_query (obj) { + var query_cell = document.getElementById('query'); + var term = obj.innerHTML; + + term = term.replace(/[\(\)]/g, ''); + if (cur_termlist == 'subject') + query_cell.value += ' and su=(' + term + ')'; + else if (cur_termlist == 'author') + query_cell.value += ' and au=(' + term + ')'; + start_search(); +} + +function set_termlist(termlist) +{ + cur_termlist = termlist; + check_termlist(); + if (termtimer) + { + clearTimeout(termtimer); + termtimer = 0; + } +} + +function show_termlistoptions(body) +{ + var opts = Array( + Array('subject', 'Subject'), + Array('author', 'Author') + ); + + for (i in opts) + { + if (opts[i][0] == cur_termlist) + body.innerHTML += opts[i][1]; + else + body.innerHTML += '' + opts[i][1] + ''; + body.innerHTML += ' '; + } + body.innerHTML += '

'; +} + +function show_termlist() +{ + if (xtermlist.readyState != 4) + return; + + var i; + var xml = xtermlist.responseXML; + var body = document.getElementById("termlist"); + var hits = xml.getElementsByTagName("term"); + var clients = + Number(xml.getElementsByTagName("activeclients")[0].childNodes[0].nodeValue); + if (!hits[0]) + { + termtimer = setTimeout(check_termlist, 1000); + } + else + { + body.innerHTML = "Limit results:
"; + show_termlistoptions(body); + for (i = 0; i < hits.length; i++) + { + var namen = hits[i].getElementsByTagName("name"); + if (namen[0]) + body.innerHTML += '' + + namen[0].childNodes[0].nodeValue + + ''; + body.innerHTML += '
'; + } + if (clients > 0) + termtimer = setTimeout(check_termlist, 2000); + } +} + +function check_termlist() +{ + var url = "search.pz2?" + + "command=termlist" + + "&session=" + session + + "&name=" + cur_termlist; + xtermlist = GetXmlHttpObject(); + xtermlist.onreadystatechange=show_termlist; + xtermlist.open("GET", url); + xtermlist.send(null); +} + +function show_stat() +{ + if (xstat.readyState != 4) + return; + var i; + var xml = xstat.responseXML; + var body = document.getElementById("stat"); + var nodes = xml.childNodes[0].childNodes; + var clients = + Number(xml.getElementsByTagName("activeclients")[0].childNodes[0].nodeValue); + if (!nodes[0]) + { + stattimer = setTimeout(check_stat, 500); + } + else + { + body.innerHTML = "("; + for (i = 0; i < nodes.length; i++) + { + if (nodes[i].nodeType != 1) + continue; + var value = nodes[i].childNodes[0].nodeValue; + if (value == 0) + continue; + var name = nodes[i].nodeName; + body.innerHTML += ' ' + name + '=' + value; + } + body.innerHTML += ')'; + if (clients > 0) + stattimer = setTimeout(check_stat, 2000); + } +} + +function check_stat() +{ + var url = "search.pz2?" + + "command=stat" + + "&session=" + session; + xstat = GetXmlHttpObject(); + xstat.onreadystatechange=show_stat; + xstat.open("GET", url); + xstat.send(null); +} + +function search_started() +{ + if (xsearch.readyState != 4) + return; + var xml = xsearch.responseXML; + var error = xml.getElementsByTagName("error"); + if (error[0]) + { + var msg = error[0].childNodes[0].nodeValue; + alert(msg); + return; + } + check_search(); + stattimer = setTimeout(check_stat, 1000); +} + +function start_search() +{ + clearTimeout(termtimer); + termtimer = 0; + clearTimeout(searchtimer); + searchtimer = 0; + clearTimeout(stattimer); + stattimer = 0; + clearTimeout(showtimer); + showtimer = 0; + if (!targets_loaded) + { + alert("Please load targets first"); + return; + } + var query = escape(document.getElementById('query').value); + var url = "search.pz2?" + + "command=search" + + "&session=" + session + + "&query=" + query; + xsearch = GetXmlHttpObject(); + xsearch.onreadystatechange=search_started; + xsearch.open("GET", url); + xsearch.send(null); + document.getElementById("termlist").innerHTML = ''; + document.getElementById("body").innerHTML = ''; + update_history(); + shown = 0; + document.search.startrec.value = 0; +} + + +function session_encode () +{ + var i; + var session = ''; + + for (i = 0; i < session_cells.length; i++) + { + var name = session_cells[i]; + var value = escape(document.getElementById(name).value); + session += '&' + name + '=' + value; + } + + return session; +} + + +function session_restore (session) +{ + var fields = session.split(/&/); + var i; + + for (i = 1; i < fields.length; i++) + { + var pair = fields[i].split(/=/); + var key = pair.shift(); + var value = pair.join('='); + var cell = document.getElementById(key); + + cell.value = value; + } + +} + + +function session_read () +{ + var ses = window.location.hash.replace(/^#/, ''); + return ses; +} + + +function session_store (new_value) +{ + window.location.hash = '#' + new_value; +} + + +function update_history () +{ + var session = session_encode(); + session_store(session); + old_session = session; +} + + +function session_check () +{ + var session = session_read(); + var action = document.search.action_type.value; + + clearInterval(url_surveillence); + + if ( session != unescape(old_session) ) + { + session_restore(session); + + if (action == 'search') { + start_search(); + } else if (action == 'page') { + check_search(); + } else { + alert('Unregocnized action_type: ' + action); + return; + } + } + + url_surveillence = setInterval(session_check, 200); +} + + +function get_facet_container (obj) { + return document.getElementById(obj.id + '_terms'); +} + + +function toggle_facet (obj) { + var container = get_facet_container(obj); + + if (obj.className == 'selected') { + obj.className = 'unselected'; + container.style.display = 'block'; + } else { + obj.className = 'selected'; + container.style.display = 'none'; + } +}