--- /dev/null
+/* A very simple client that shows a basic usage of the pz2.js
+*/
+
+// create a parameters array and pass it to the pz2's constructor
+// then register the form submit event with the pz2.search function
+// autoInit is set to true on default
+
+var pazpar2URL = "/pazpar2/search.pz2";
+var serviceProxyURL = "/service-proxy/";
+var authURLServiceProxy = "/service-proxy-auth";
+var pazpar2path = useServiceProxy ? serviceProxyURL : pazpar2URL;
+
+var usesessions;
+
+var showResponseType = '';
+if (document.location.hash == '#useproxy') {
+ usesessions = false;
+ pazpar2path = '/service-proxy/';
+ showResponseType = 'json';
+}
+if (useServiceProxy) {
+ usesessions = false;
+}
+
+var my_paz = new pz2( { "onshow": my_onshow,
+ "showtime": 500, //each timer (show, stat, term, bytarget) can be specified this way
+ "pazpar2path": pazpar2path,
+ "oninit": my_oninit,
+ "onstat": my_onstat,
+ "onterm": my_onterm,
+ "termlist": "xtargets,subject,author",
+ "onbytarget": my_onbytarget,
+ "usesessions" : usesessions,
+ "showResponseType": showResponseType,
+ "onrecord": my_onrecord } );
+// some state vars
+var curPage = 1;
+var recPerPage = 20;
+var totalRec = 0;
+var curDetRecId = '';
+var curDetRecData = null;
+var curSort = 'relevance';
+var curFilter = null;
+var submitted = false;
+var SourceMax = 16;
+var SubjectMax = 10;
+var AuthorMax = 10;
+
+//
+// pz2.js event handlers:
+//
+function my_oninit() {
+ my_paz.stat();
+ my_paz.bytarget();
+}
+
+function my_onshow(data) {
+ totalRec = data.merged;
+ // move it out
+ var pager = document.getElementById("pager");
+ pager.innerHTML = "";
+ pager.innerHTML +='<hr/><div style="float: right">Displaying: '
+ + (data.start + 1) + ' to ' + (data.start + data.num) +
+ ' of ' + data.merged + ' (found: '
+ + data.total + ')</div>';
+ drawPager(pager);
+ // navi
+ var results = document.getElementById("results");
+
+ var html = [];
+ for (var i = 0; i < data.hits.length; i++) {
+ var hit = data.hits[i];
+ html.push('<div class="record" id="recdiv_'+hit.recid+'" >'
+ +'<span>'+ (i + 1 + recPerPage * (curPage - 1)) +'. </span>'
+ +'<a href="#" id="rec_'+hit.recid
+ +'" onclick="showDetails(this.id);return false;"><b>'
+ + hit["md-title"] +' </b></a>');
+ if (hit["md-title-remainder"] !== undefined) {
+ html.push('<span>' + hit["md-title-remainder"] + ' </span>');
+ }
+ if (hit["md-title-responsibility"] !== undefined) {
+ html.push('<span><i>'+hit["md-title-responsibility"]+'</i></span>');
+ }
+ if (hit.recid == curDetRecId) {
+ html.push(renderDetails(curDetRecData));
+ }
+ html.push('</div>');
+ }
+ replaceHtml(results, html.join(''));
+}
+
+function my_onstat(data) {
+ var stat = document.getElementById("stat");
+ if (stat == null)
+ return;
+
+ stat.innerHTML = '<b> .:STATUS INFO</b> -- Active clients: '
+ + data.activeclients
+ + '/' + data.clients + ' -- </span>'
+ + '<span>Retrieved records: ' + data.records
+ + '/' + data.hits
+ + ' -- by '
+ + (useServiceProxy ? 'service proxy' : 'pazpar2')
+ + ' :.</span>';
+}
+
+function my_onterm(data) {
+ var termlists = [];
+ termlists.push('<hr/><b>TERMLISTS:</b><hr/><div class="termtitle">.::Sources</div>');
+ for (var i = 0; i < data.xtargets.length && i < SourceMax; i++ ) {
+ termlists.push('<a href="#" target_id='+data.xtargets[i].id
+ + ' onclick="limitTarget(this.getAttribute(\'target_id\'), this.firstChild.nodeValue);return false;">' + data.xtargets[i].name
+ + ' </a><span> (' + data.xtargets[i].freq + ')</span><br/>');
+ }
+
+ termlists.push('<hr/><div class="termtitle">.::Subjects</div>');
+ for (var i = 0; i < data.subject.length && i < SubjectMax; i++ ) {
+ termlists.push('<a href="#" onclick="limitQuery(\'su\', this.firstChild.nodeValue);return false;">' + data.subject[i].name + '</a><span> ('
+ + data.subject[i].freq + ')</span><br/>');
+ }
+
+ termlists.push('<hr/><div class="termtitle">.::Authors</div>');
+ for (var i = 0; i < data.author.length && i < AuthorMax; i++ ) {
+ termlists.push('<a href="#" onclick="limitQuery(\'au\', this.firstChild.nodeValue);return false;">'
+ + data.author[i].name
+ + ' </a><span> ('
+ + data.author[i].freq
+ + ')</span><br/>');
+ }
+ var termlist = document.getElementById("termlist");
+ replaceHtml(termlist, termlists.join(''));
+}
+
+function my_onrecord(data) {
+ // FIXME: record is async!!
+ clearTimeout(my_paz.recordTimer);
+ // in case on_show was faster to redraw element
+ var detRecordDiv = document.getElementById('det_'+data.recid);
+ if (detRecordDiv) return;
+ curDetRecData = data;
+ var recordDiv = document.getElementById('recdiv_'+curDetRecData.recid);
+ var html = renderDetails(curDetRecData);
+ recordDiv.innerHTML += html;
+}
+
+function my_onbytarget(data) {
+ var targetDiv = document.getElementById("bytarget");
+ var table ='<table><thead><tr><td>Target ID</td><td>Hits</td><td>Diags</td>'
+ +'<td>Records</td><td>State</td></tr></thead><tbody>';
+
+ for (var i = 0; i < data.length; i++ ) {
+ table += "<tr><td>" + data[i].id +
+ "</td><td>" + data[i].hits +
+ "</td><td>" + data[i].diagnostic +
+ "</td><td>" + data[i].records +
+ "</td><td>" + data[i].state + "</td></tr>";
+ }
+
+ table += '</tbody></table>';
+ targetDiv.innerHTML = table;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////////////////////
+
+// wait until the DOM is ready
+function domReady ()
+{
+ document.search.onsubmit = onFormSubmitEventHandler;
+ document.search.query.value = '';
+ document.select.sort.onchange = onSelectDdChange;
+ document.select.perpage.onchange = onSelectDdChange;
+}
+
+// when search button pressed
+function onFormSubmitEventHandler()
+{
+ resetPage();
+ loadSelect();
+ triggerSearch();
+ submitted = true;
+ return false;
+}
+
+function onSelectDdChange()
+{
+ if (!submitted) return false;
+ resetPage();
+ loadSelect();
+ my_paz.show(0, recPerPage, curSort);
+ return false;
+}
+
+function resetPage()
+{
+ curPage = 1;
+ totalRec = 0;
+}
+
+function triggerSearch ()
+{
+ my_paz.search(document.search.query.value, recPerPage, curSort, curFilter);
+}
+
+function loadSelect ()
+{
+ curSort = document.select.sort.value;
+ recPerPage = document.select.perpage.value;
+}
+
+// limit the query after clicking the facet
+function limitQuery (field, value)
+{
+ document.search.query.value += ' and ' + field + '="' + value + '"';
+ onFormSubmitEventHandler();
+}
+
+// limit by target functions
+function limitTarget (id, name)
+{
+ var navi = document.getElementById('navi');
+ navi.innerHTML =
+ 'Source: <a class="crossout" href="#" onclick="delimitTarget();return false;">'
+ + name + '</a>';
+ navi.innerHTML += '<hr/>';
+ curFilter = 'pz:id=' + id;
+ resetPage();
+ loadSelect();
+ triggerSearch();
+ return false;
+}
+
+function delimitTarget ()
+{
+ var navi = document.getElementById('navi');
+ navi.innerHTML = '';
+ curFilter = null;
+ resetPage();
+ loadSelect();
+ triggerSearch();
+ return false;
+}
+
+function drawPager (pagerDiv)
+{
+ //client indexes pages from 1 but pz2 from 0
+ var onsides = 6;
+ var pages = Math.ceil(totalRec / recPerPage);
+
+ var firstClkbl = ( curPage - onsides > 0 )
+ ? curPage - onsides
+ : 1;
+
+ var lastClkbl = firstClkbl + 2*onsides < pages
+ ? firstClkbl + 2*onsides
+ : pages;
+
+ var prev = '<span id="prev"><< Prev</span><b> | </b>';
+ if (curPage > 1)
+ prev = '<a href="#" id="prev" onclick="pagerPrev();">'
+ +'<< Prev</a><b> | </b>';
+
+ var middle = '';
+ for(var i = firstClkbl; i <= lastClkbl; i++) {
+ var numLabel = i;
+ if(i == curPage)
+ numLabel = '<b>' + i + '</b>';
+
+ middle += '<a href="#" onclick="showPage(' + i + ')"> '
+ + numLabel + ' </a>';
+ }
+
+ var next = '<b> | </b><span id="next">Next >></span>';
+ if (pages - curPage > 0)
+ next = '<b> | </b><a href="#" id="next" onclick="pagerNext()">'
+ +'Next >></a>';
+
+ var predots = '';
+ if (firstClkbl > 1)
+ predots = '...';
+
+ var postdots = '';
+ if (lastClkbl < pages)
+ postdots = '...';
+
+ pagerDiv.innerHTML += '<div style="float: clear">'
+ + prev + predots + middle + postdots + next + '</div><hr/>';
+}
+
+function showPage (pageNum)
+{
+ curPage = pageNum;
+ my_paz.showPage( curPage - 1 );
+}
+
+// simple paging functions
+
+function pagerNext() {
+ if ( totalRec - recPerPage*curPage > 0) {
+ my_paz.showNext();
+ curPage++;
+ }
+}
+
+function pagerPrev() {
+ if ( my_paz.showPrev() != false )
+ curPage--;
+}
+
+// swithing view between targets and records
+
+function switchView(view) {
+
+ var targets = document.getElementById('targetview');
+ var records = document.getElementById('recordview');
+
+ switch(view) {
+ case 'targetview':
+ targets.style.display = "block";
+ records.style.display = "none";
+ break;
+ case 'recordview':
+ targets.style.display = "none";
+ records.style.display = "block";
+ break;
+ default:
+ alert('Unknown view.');
+ }
+}
+
+// detailed record drawing
+function showDetails (prefixRecId) {
+ var recId = prefixRecId.replace('rec_', '');
+ var oldRecId = curDetRecId;
+ curDetRecId = recId;
+
+ // remove current detailed view if any
+ var detRecordDiv = document.getElementById('det_'+oldRecId);
+ // lovin DOM!
+ if (detRecordDiv)
+ detRecordDiv.parentNode.removeChild(detRecordDiv);
+
+ // if the same clicked, just hide
+ if (recId == oldRecId) {
+ curDetRecId = '';
+ curDetRecData = null;
+ return;
+ }
+ // request the record
+ my_paz.record(recId);
+}
+
+function replaceHtml(el, html) {
+ var oldEl = typeof el === "string" ? document.getElementById(el) : el;
+ /*@cc_on // Pure innerHTML is slightly faster in IE
+ oldEl.innerHTML = html;
+ return oldEl;
+ @*/
+ var newEl = oldEl.cloneNode(false);
+ newEl.innerHTML = html;
+ oldEl.parentNode.replaceChild(newEl, oldEl);
+ /* Since we just removed the old element from the DOM, return a reference
+ to the new element, which can be used to restore variable references. */
+ return newEl;
+};
+
+function renderDetails(data, marker)
+{
+ var details = '<div class="details" id="det_'+data.recid+'"><table>';
+ if (marker) details += '<tr><td>'+ marker + '</td></tr>';
+ if (data["md-title"] != undefined) {
+ details += '<tr><td><b>Title</b></td><td><b>:</b> '+data["md-title"];
+ if (data["md-title-remainder"] !== undefined) {
+ details += ' : <span>' + data["md-title-remainder"] + ' </span>';
+ }
+ if (data["md-title-responsibility"] !== undefined) {
+ details += ' <span><i>'+ data["md-title-responsibility"] +'</i></span>';
+ }
+ details += '</td></tr>';
+ }
+ if (data["md-date"] != undefined)
+ details += '<tr><td><b>Date</b></td><td><b>:</b> ' + data["md-date"] + '</td></tr>';
+ if (data["md-author"] != undefined)
+ details += '<tr><td><b>Author</b></td><td><b>:</b> ' + data["md-author"] + '</td></tr>';
+ if (data["md-electronic-url"] != undefined)
+ details += '<tr><td><b>URL</b></td><td><b>:</b> <a href="' + data["md-electronic-url"] + '" target="_blank">' + data["md-electronic-url"] + '</a>' + '</td></tr>';
+ if (data["location"][0]["md-subject"] != undefined)
+ details += '<tr><td><b>Subject</b></td><td><b>:</b> ' + data["location"][0]["md-subject"] + '</td></tr>';
+ if (data["location"][0]["@name"] != undefined)
+ details += '<tr><td><b>Location</b></td><td><b>:</b> ' + data["location"][0]["@name"] + " (" +data["location"][0]["@id"] + ")" + '</td></tr>';
+ details += '</table></div>';
+ return details;
+}
+ //EOF
--- /dev/null
+/*
+ * $Id: 3a9980787bb5d0fe966140b243a4a5eb6768913e $
+** pz2.js - pazpar2's javascript client library.
+*/
+
+//since explorer is flawed
+if (!window['Node']) {
+ window.Node = new Object();
+ Node.ELEMENT_NODE = 1;
+ Node.ATTRIBUTE_NODE = 2;
+ Node.TEXT_NODE = 3;
+ Node.CDATA_SECTION_NODE = 4;
+ Node.ENTITY_REFERENCE_NODE = 5;
+ Node.ENTITY_NODE = 6;
+ Node.PROCESSING_INSTRUCTION_NODE = 7;
+ Node.COMMENT_NODE = 8;
+ Node.DOCUMENT_NODE = 9;
+ Node.DOCUMENT_TYPE_NODE = 10;
+ Node.DOCUMENT_FRAGMENT_NODE = 11;
+ Node.NOTATION_NODE = 12;
+}
+
+// prevent execution of more than once
+if(typeof window.pz2 == "undefined") {
+window.undefined = window.undefined;
+
+var pz2 = function ( paramArray )
+{
+
+ // at least one callback required
+ if ( !paramArray )
+ throw new Error("Pz2.js: Array with parameters has to be supplied.");
+
+ //supported pazpar2's protocol version
+ this.suppProtoVer = '1';
+ if (typeof paramArray.pazpar2path != "undefined")
+ this.pz2String = paramArray.pazpar2path;
+ else
+ this.pz2String = "/pazpar2/search.pz2";
+ this.useSessions = true;
+
+ this.stylesheet = paramArray.detailstylesheet || null;
+ //load stylesheet if required in async mode
+ if( this.stylesheet ) {
+ var context = this;
+ var request = new pzHttpRequest( this.stylesheet );
+ request.get( {}, function ( doc ) { context.xslDoc = doc; } );
+ }
+
+ this.errorHandler = paramArray.errorhandler || null;
+ this.showResponseType = paramArray.showResponseType || "xml";
+
+ // function callbacks
+ this.initCallback = paramArray.oninit || null;
+ this.statCallback = paramArray.onstat || null;
+ this.showCallback = paramArray.onshow || null;
+ this.termlistCallback = paramArray.onterm || null;
+ this.recordCallback = paramArray.onrecord || null;
+ this.bytargetCallback = paramArray.onbytarget || null;
+ this.resetCallback = paramArray.onreset || null;
+
+ // termlist keys
+ this.termKeys = paramArray.termlist || "subject";
+
+ // some configurational stuff
+ this.keepAlive = 50000;
+
+ if ( paramArray.keepAlive < this.keepAlive )
+ this.keepAlive = paramArray.keepAlive;
+
+ this.sessionID = null;
+ this.serviceId = paramArray.serviceId || null;
+ this.initStatusOK = false;
+ this.pingStatusOK = false;
+ this.searchStatusOK = false;
+
+ // for sorting
+ this.currentSort = "relevance";
+
+ // where are we?
+ this.currentStart = 0;
+ // currentNum can be overwritten in show
+ this.currentNum = 20;
+
+ // last full record retrieved
+ this.currRecID = null;
+
+ // current query
+ this.currQuery = null;
+
+ //current raw record offset
+ this.currRecOffset = null;
+
+ //timers
+ this.pingTimer = null;
+ this.statTime = paramArray.stattime || 1000;
+ this.statTimer = null;
+ this.termTime = paramArray.termtime || 1000;
+ this.termTimer = null;
+ this.showTime = paramArray.showtime || 1000;
+ this.showTimer = null;
+ this.showFastCount = 4;
+ this.bytargetTime = paramArray.bytargettime || 1000;
+ this.bytargetTimer = null;
+ this.recordTime = paramArray.recordtime || 500;
+ this.recordTimer = null;
+
+ // counters for each command and applied delay
+ this.dumpFactor = 500;
+ this.showCounter = 0;
+ this.termCounter = 0;
+ this.statCounter = 0;
+ this.bytargetCounter = 0;
+ this.recordCounter = 0;
+
+ // active clients, updated by stat and show
+ // might be an issue since bytarget will poll accordingly
+ this.activeClients = 1;
+
+ // if in proxy mode no need to init
+ if (paramArray.usesessions != undefined) {
+ this.useSessions = paramArray.usesessions;
+ this.initStatusOK = true;
+ }
+ // else, auto init session or wait for a user init?
+ if (this.useSessions && paramArray.autoInit !== false) {
+ this.init(this.sessionID, this.serviceId);
+ }
+ // Version parameter
+ this.version = paramArray.version || null;
+};
+
+pz2.prototype =
+{
+ //error handler for async error throws
+ throwError: function (errMsg, errCode)
+ {
+ var err = new Error(errMsg);
+ if (errCode) err.code = errCode;
+
+ if (this.errorHandler) {
+ this.errorHandler(err);
+ }
+ else {
+ throw err;
+ }
+ },
+
+ // stop activity by clearing tiemouts
+ stop: function ()
+ {
+ clearTimeout(this.statTimer);
+ clearTimeout(this.showTimer);
+ clearTimeout(this.termTimer);
+ clearTimeout(this.bytargetTimer);
+ },
+
+ // reset status variables
+ reset: function ()
+ {
+ if ( this.useSessions ) {
+ this.sessionID = null;
+ this.initStatusOK = false;
+ this.pingStatusOK = false;
+ clearTimeout(this.pingTimer);
+ }
+ this.searchStatusOK = false;
+ this.stop();
+
+ if ( this.resetCallback )
+ this.resetCallback();
+ },
+
+ init: function (sessionId, serviceId)
+ {
+ this.reset();
+
+ // session id as a param
+ if (sessionId && this.useSessions ) {
+ this.initStatusOK = true;
+ this.sessionID = sessionId;
+ this.ping();
+ // old school direct pazpar2 init
+ } else if (this.useSessions) {
+ var context = this;
+ var request = new pzHttpRequest(this.pz2String, this.errorHandler);
+ var opts = {'command' : 'init'};
+ if (serviceId) opts.service = serviceId;
+ request.safeGet(
+ opts,
+ function(data) {
+ if ( data.getElementsByTagName("status")[0]
+ .childNodes[0].nodeValue == "OK" ) {
+ if ( data.getElementsByTagName("protocol")[0]
+ .childNodes[0].nodeValue
+ != context.suppProtoVer )
+ throw new Error(
+ "Server's protocol not supported by the client"
+ );
+ context.initStatusOK = true;
+ context.sessionID =
+ data.getElementsByTagName("session")[0]
+ .childNodes[0].nodeValue;
+ if (data.getElementsByTagName("keepAlive").length > 0) {
+ context.keepAlive = data.getElementsByTagName("keepAlive")[0].childNodes[0].nodeValue;
+ }
+ context.pingTimer =
+ setTimeout(
+ function () {
+ context.ping();
+ },
+ context.keepAlive
+ );
+ if ( context.initCallback )
+ context.initCallback();
+ }
+ else
+ context.throwError('Init failed. Malformed WS resonse.',
+ 110);
+ }
+ );
+ // when through proxy no need to init
+ } else {
+ this.initStatusOK = true;
+ }
+ },
+ // no need to ping explicitly
+ ping: function ()
+ {
+ // pinging only makes sense when using pazpar2 directly
+ if( !this.initStatusOK || !this.useSessions )
+ throw new Error(
+ 'Pz2.js: Ping not allowed (proxy mode) or session not initialized.'
+ );
+ var context = this;
+
+ clearTimeout(context.pingTimer);
+
+ var request = new pzHttpRequest(this.pz2String, this.errorHandler);
+ request.safeGet(
+ { "command": "ping", "session": this.sessionID, "windowid" : window.name },
+ function(data) {
+ if ( data.getElementsByTagName("status")[0]
+ .childNodes[0].nodeValue == "OK" ) {
+ context.pingStatusOK = true;
+ context.pingTimer =
+ setTimeout(
+ function () {
+ context.ping();
+ },
+ context.keepAlive
+ );
+ }
+ else
+ context.throwError('Ping failed. Malformed WS resonse.',
+ 111);
+ }
+ );
+ },
+ search: function (query, num, sort, filter, showfrom, addParamsArr)
+ {
+ clearTimeout(this.statTimer);
+ clearTimeout(this.showTimer);
+ clearTimeout(this.termTimer);
+ clearTimeout(this.bytargetTimer);
+
+ this.showCounter = 0;
+ this.termCounter = 0;
+ this.bytargetCounter = 0;
+ this.statCounter = 0;
+ this.activeClients = 1;
+
+ // no proxy mode
+ if( !this.initStatusOK )
+ throw new Error('Pz2.js: session not initialized.');
+
+ if( query !== undefined )
+ this.currQuery = query;
+ else
+ throw new Error("Pz2.js: no query supplied to the search command.");
+
+ if ( showfrom !== undefined )
+ var start = showfrom;
+ else
+ var start = 0;
+
+ var searchParams = {
+ "command": "search",
+ "query": this.currQuery,
+ "session": this.sessionID,
+ "windowid" : window.name
+ };
+
+ if( sort !== undefined ) {
+ this.currentSort = sort;
+ searchParams["sort"] = sort;
+ }
+ if (filter !== undefined)
+ searchParams["filter"] = filter;
+
+ // copy additional parmeters, do not overwrite
+ if (addParamsArr != undefined) {
+ for (var prop in addParamsArr) {
+ if (!searchParams.hasOwnProperty(prop))
+ searchParams[prop] = addParamsArr[prop];
+ }
+ }
+
+ var context = this;
+ var request = new pzHttpRequest(this.pz2String, this.errorHandler);
+ request.safeGet(
+ searchParams,
+ function(data) {
+ if ( data.getElementsByTagName("status")[0]
+ .childNodes[0].nodeValue == "OK" ) {
+ context.searchStatusOK = true;
+ //piggyback search
+ context.show(start, num, sort);
+ if (context.statCallback)
+ context.stat();
+ if (context.termlistCallback)
+ context.termlist();
+ if (context.bytargetCallback)
+ context.bytarget();
+ }
+ else
+ context.throwError('Search failed. Malformed WS resonse.',
+ 112);
+ }
+ );
+ },
+ stat: function()
+ {
+ if( !this.initStatusOK )
+ throw new Error('Pz2.js: session not initialized.');
+
+ // if called explicitly takes precedence
+ clearTimeout(this.statTimer);
+
+ var context = this;
+ var request = new pzHttpRequest(this.pz2String, this.errorHandler);
+ request.safeGet(
+ { "command": "stat", "session": this.sessionID, "windowid" : window.name },
+ function(data) {
+ if ( data.getElementsByTagName("stat") ) {
+ var activeClients =
+ Number( data.getElementsByTagName("activeclients")[0]
+ .childNodes[0].nodeValue );
+ context.activeClients = activeClients;
+
+ var stat = Element_parseChildNodes(data.documentElement);
+
+ context.statCounter++;
+ var delay = context.statTime
+ + context.statCounter * context.dumpFactor;
+
+ if ( activeClients > 0 )
+ context.statTimer =
+ setTimeout(
+ function () {
+ context.stat();
+ },
+ delay
+ );
+ context.statCallback(stat);
+ }
+ else
+ context.throwError('Stat failed. Malformed WS resonse.',
+ 113);
+ }
+ );
+ },
+ show: function(start, num, sort, query_state)
+ {
+ if( !this.searchStatusOK && this.useSessions )
+ throw new Error(
+ 'Pz2.js: show command has to be preceded with a search command.'
+ );
+
+ // if called explicitly takes precedence
+ clearTimeout(this.showTimer);
+
+ if( sort !== undefined )
+ this.currentSort = sort;
+ if( start !== undefined )
+ this.currentStart = Number( start );
+ if( num !== undefined )
+ this.currentNum = Number( num );
+
+ var context = this;
+ var request = new pzHttpRequest(this.pz2String, this.errorHandler);
+ var requestParameters =
+ {
+ "command": "show",
+ "session": this.sessionID,
+ "start": this.currentStart,
+ "num": this.currentNum,
+ "sort": this.currentSort,
+ "block": 1,
+ "type": this.showResponseType,
+ "windowid" : window.name
+ };
+ if (query_state)
+ requestParameters["query-state"] = query_state;
+ if (this.version && this.version > 0)
+ requestParameters["version"] = this.version;
+ request.safeGet(
+ requestParameters,
+ function(data, type) {
+ var show = null;
+ var activeClients = 0;
+ if (type === "json") {
+ show = {};
+ activeClients = Number(data.activeclients[0]);
+ show.activeclients = activeClients;
+ show.merged = Number(data.merged[0]);
+ show.total = Number(data.total[0]);
+ show.start = Number(data.start[0]);
+ show.num = Number(data.num[0]);
+ show.hits = data.hit;
+ } else if (data.getElementsByTagName("status")[0]
+ .childNodes[0].nodeValue == "OK") {
+ // first parse the status data send along with records
+ // this is strictly bound to the format
+ activeClients =
+ Number(data.getElementsByTagName("activeclients")[0]
+ .childNodes[0].nodeValue);
+ show = {
+ "activeclients": activeClients,
+ "merged":
+ Number( data.getElementsByTagName("merged")[0]
+ .childNodes[0].nodeValue ),
+ "total":
+ Number( data.getElementsByTagName("total")[0]
+ .childNodes[0].nodeValue ),
+ "start":
+ Number( data.getElementsByTagName("start")[0]
+ .childNodes[0].nodeValue ),
+ "num":
+ Number( data.getElementsByTagName("num")[0]
+ .childNodes[0].nodeValue ),
+ "hits": []
+ };
+ // parse all the first-level nodes for all <hit> tags
+ var hits = data.getElementsByTagName("hit");
+ for (i = 0; i < hits.length; i++)
+ show.hits[i] = Element_parseChildNodes(hits[i]);
+ } else {
+ context.throwError('Show failed. Malformed WS resonse.',
+ 114);
+ };
+
+ var approxNode = data.getElementsByTagName("approximation");
+ if (approxNode && approxNode[0] && approxNode[0].childNodes[0] && approxNode[0].childNodes[0].nodeValue)
+ show['approximation'] =
+ Number( approxNode[0].childNodes[0].nodeValue);
+
+
+ data.getElementsByTagName("")
+ context.activeClients = activeClients;
+ context.showCounter++;
+ var delay = context.showTime;
+ if (context.showCounter > context.showFastCount)
+ delay += context.showCounter * context.dumpFactor;
+ if ( activeClients > 0 )
+ context.showTimer = setTimeout(
+ function () {
+ context.show();
+ },
+ delay);
+ context.showCallback(show);
+ }
+ );
+ },
+ record: function(id, offset, syntax, handler)
+ {
+ // we may call record with no previous search if in proxy mode
+ if(!this.searchStatusOK && this.useSessions)
+ throw new Error(
+ 'Pz2.js: record command has to be preceded with a search command.'
+ );
+
+ if( id !== undefined )
+ this.currRecID = id;
+
+ var recordParams = {
+ "command": "record",
+ "session": this.sessionID,
+ "id": this.currRecID,
+ "windowid" : window.name
+ };
+
+ this.currRecOffset = null;
+ if (offset != undefined) {
+ recordParams["offset"] = offset;
+ this.currRecOffset = offset;
+ }
+
+ if (syntax != undefined)
+ recordParams['syntax'] = syntax;
+
+ //overwrite default callback id needed
+ var callback = this.recordCallback;
+ var args = undefined;
+ if (handler != undefined) {
+ callback = handler['callback'];
+ args = handler['args'];
+ }
+
+ var context = this;
+ var request = new pzHttpRequest(this.pz2String, this.errorHandler);
+
+ request.safeGet(
+ recordParams,
+ function(data) {
+ var recordNode;
+ var record;
+ //raw record
+ if (context.currRecOffset !== null) {
+ record = new Array();
+ record['xmlDoc'] = data;
+ record['offset'] = context.currRecOffset;
+ callback(record, args);
+ //pz2 record
+ } else if ( recordNode =
+ data.getElementsByTagName("record")[0] ) {
+ // if stylesheet was fetched do not parse the response
+ if ( context.xslDoc ) {
+ record = new Array();
+ record['xmlDoc'] = data;
+ record['xslDoc'] = context.xslDoc;
+ record['recid'] =
+ recordNode.getElementsByTagName("recid")[0]
+ .firstChild.nodeValue;
+ //parse record
+ } else {
+ record = Element_parseChildNodes(recordNode);
+ }
+ var activeClients =
+ Number( data.getElementsByTagName("activeclients")[0]
+ .childNodes[0].nodeValue );
+ context.activeClients = activeClients;
+ context.recordCounter++;
+ var delay = context.recordTime + context.recordCounter * context.dumpFactor;
+ if ( activeClients > 0 )
+ context.recordTimer =
+ setTimeout (
+ function() {
+ context.record(id, offset, syntax, handler);
+ },
+ delay
+ );
+ callback(record, args);
+ }
+ else
+ context.throwError('Record failed. Malformed WS resonse.',
+ 115);
+ }
+ );
+ },
+
+ termlist: function()
+ {
+ if( !this.searchStatusOK && this.useSessions )
+ throw new Error(
+ 'Pz2.js: termlist command has to be preceded with a search command.'
+ );
+
+ // if called explicitly takes precedence
+ clearTimeout(this.termTimer);
+
+ var context = this;
+ var request = new pzHttpRequest(this.pz2String, this.errorHandler);
+ request.safeGet(
+ {
+ "command": "termlist",
+ "session": this.sessionID,
+ "name": this.termKeys,
+ "windowid" : window.name,
+ "version" : this.version
+
+ },
+ function(data) {
+ if ( data.getElementsByTagName("termlist") ) {
+ var activeClients =
+ Number( data.getElementsByTagName("activeclients")[0]
+ .childNodes[0].nodeValue );
+ context.activeClients = activeClients;
+ var termList = { "activeclients": activeClients };
+ var termLists = data.getElementsByTagName("list");
+ //for each termlist
+ for (i = 0; i < termLists.length; i++) {
+ var listName = termLists[i].getAttribute('name');
+ termList[listName] = new Array();
+ var terms = termLists[i].getElementsByTagName('term');
+ //for each term in the list
+ for (j = 0; j < terms.length; j++) {
+ var term = {
+ "name":
+ (terms[j].getElementsByTagName("name")[0]
+ .childNodes.length
+ ? terms[j].getElementsByTagName("name")[0]
+ .childNodes[0].nodeValue
+ : 'ERROR'),
+ "freq":
+ terms[j]
+ .getElementsByTagName("frequency")[0]
+ .childNodes[0].nodeValue || 'ERROR'
+ };
+
+ // Only for xtargets: id, records, filtered
+ var termIdNode =
+ terms[j].getElementsByTagName("id");
+ if(terms[j].getElementsByTagName("id").length)
+ term["id"] =
+ termIdNode[0].childNodes[0].nodeValue;
+ termList[listName][j] = term;
+
+ var recordsNode = terms[j].getElementsByTagName("records");
+ if (recordsNode && recordsNode.length)
+ term["records"] = recordsNode[0].childNodes[0].nodeValue;
+
+ var filteredNode = terms[j].getElementsByTagName("filtered");
+ if (filteredNode && filteredNode.length)
+ term["filtered"] = filteredNode[0].childNodes[0].nodeValue;
+
+ }
+ }
+
+ context.termCounter++;
+ var delay = context.termTime
+ + context.termCounter * context.dumpFactor;
+ if ( activeClients > 0 )
+ context.termTimer =
+ setTimeout(
+ function () {
+ context.termlist();
+ },
+ delay
+ );
+
+ context.termlistCallback(termList);
+ }
+ else
+ context.throwError('Termlist failed. Malformed WS resonse.',
+ 116);
+ }
+ );
+
+ },
+ bytarget: function()
+ {
+ if( !this.initStatusOK && this.useSessions )
+ throw new Error(
+ 'Pz2.js: bytarget command has to be preceded with a search command.'
+ );
+
+ // no need to continue
+ if( !this.searchStatusOK )
+ return;
+
+ // if called explicitly takes precedence
+ clearTimeout(this.bytargetTimer);
+
+ var context = this;
+ var request = new pzHttpRequest(this.pz2String, this.errorHandler);
+ request.safeGet(
+ {
+ "command": "bytarget",
+ "session": this.sessionID,
+ "block": 1,
+ "windowid" : window.name,
+ "version" : this.version
+ },
+ function(data) {
+ if ( data.getElementsByTagName("status")[0]
+ .childNodes[0].nodeValue == "OK" ) {
+ var targetNodes = data.getElementsByTagName("target");
+ var bytarget = new Array();
+ for ( i = 0; i < targetNodes.length; i++) {
+ bytarget[i] = new Array();
+ for( j = 0; j < targetNodes[i].childNodes.length; j++ ) {
+ if ( targetNodes[i].childNodes[j].nodeType
+ == Node.ELEMENT_NODE ) {
+ var nodeName =
+ targetNodes[i].childNodes[j].nodeName;
+ if (targetNodes[i].childNodes[j].firstChild != null)
+ {
+ var nodeText = targetNodes[i].childNodes[j]
+ .firstChild.nodeValue;
+ bytarget[i][nodeName] = nodeText;
+ }
+ else {
+ bytarget[i][nodeName] = "";
+ }
+
+
+ }
+ }
+ if (bytarget[i]["state"]=="Client_Disconnected") {
+ bytarget[i]["hits"] = "Error";
+ } else if (bytarget[i]["state"]=="Client_Error") {
+ bytarget[i]["hits"] = "Error";
+ } else if (bytarget[i]["state"]=="Client_Working") {
+ bytarget[i]["hits"] = "...";
+ }
+ if (bytarget[i].diagnostic == "1") {
+ bytarget[i].diagnostic = "Permanent system error";
+ } else if (bytarget[i].diagnostic == "2") {
+ bytarget[i].diagnostic = "Temporary system error";
+ }
+ var targetsSuggestions = targetNodes[i].getElementsByTagName("suggestions");
+ if (targetsSuggestions != undefined && targetsSuggestions.length>0) {
+ var suggestions = targetsSuggestions[0];
+ bytarget[i]["suggestions"] = Element_parseChildNodes(suggestions);
+ }
+ }
+
+ context.bytargetCounter++;
+ var delay = context.bytargetTime
+ + context.bytargetCounter * context.dumpFactor;
+ if ( context.activeClients > 0 )
+ context.bytargetTimer =
+ setTimeout(
+ function () {
+ context.bytarget();
+ },
+ delay
+ );
+
+ context.bytargetCallback(bytarget);
+ }
+ else
+ context.throwError('Bytarget failed. Malformed WS resonse.',
+ 117);
+ }
+ );
+ },
+
+ // just for testing, probably shouldn't be here
+ showNext: function(page)
+ {
+ var step = page || 1;
+ this.show( ( step * this.currentNum ) + this.currentStart );
+ },
+
+ showPrev: function(page)
+ {
+ if (this.currentStart == 0 )
+ return false;
+ var step = page || 1;
+ var newStart = this.currentStart - (step * this.currentNum );
+ this.show( newStart > 0 ? newStart : 0 );
+ },
+
+ showPage: function(pageNum)
+ {
+ //var page = pageNum || 1;
+ this.show(pageNum * this.currentNum);
+ }
+};
+
+/*
+********************************************************************************
+** AJAX HELPER CLASS ***********************************************************
+********************************************************************************
+*/
+var pzHttpRequest = function ( url, errorHandler ) {
+ this.maxUrlLength = 2048;
+ this.request = null;
+ this.url = url;
+ this.errorHandler = errorHandler || null;
+ this.async = true;
+ this.requestHeaders = {};
+
+ if ( window.XMLHttpRequest ) {
+ this.request = new XMLHttpRequest();
+ } else if ( window.ActiveXObject ) {
+ try {
+ this.request = new ActiveXObject( 'Msxml2.XMLHTTP' );
+ } catch (err) {
+ this.request = new ActiveXObject( 'Microsoft.XMLHTTP' );
+ }
+ }
+};
+
+
+pzHttpRequest.prototype =
+{
+ safeGet: function ( params, callback )
+ {
+ var encodedParams = this.encodeParams(params);
+ var url = this._urlAppendParams(encodedParams);
+ if (url.length >= this.maxUrlLength) {
+ this.requestHeaders["Content-Type"]
+ = "application/x-www-form-urlencoded";
+ this._send( 'POST', this.url, encodedParams, callback );
+ } else {
+ this._send( 'GET', url, '', callback );
+ }
+ },
+
+ get: function ( params, callback )
+ {
+ this._send( 'GET', this._urlAppendParams(this.encodeParams(params)),
+ '', callback );
+ },
+
+ post: function ( params, data, callback )
+ {
+ this._send( 'POST', this._urlAppendParams(this.encodeParams(params)),
+ data, callback );
+ },
+
+ load: function ()
+ {
+ this.async = false;
+ this.request.open( 'GET', this.url, this.async );
+ this.request.send('');
+ if ( this.request.status == 200 )
+ return this.request.responseXML;
+ },
+
+ encodeParams: function (params)
+ {
+ var sep = "";
+ var encoded = "";
+ for (var key in params) {
+ if (params[key] != null) {
+ encoded += sep + key + '=' + encodeURIComponent(params[key]);
+ sep = '&';
+ }
+ }
+ return encoded;
+ },
+
+ _send: function ( type, url, data, callback)
+ {
+ var context = this;
+ this.callback = callback;
+ this.async = true;
+ this.request.open( type, url, this.async );
+ for (var key in this.requestHeaders)
+ this.request.setRequestHeader(key, this.requestHeaders[key]);
+ this.request.onreadystatechange = function () {
+ context._handleResponse(url); /// url used ONLY for error reporting
+ }
+ this.request.send(data);
+ },
+
+ _urlAppendParams: function (encodedParams)
+ {
+ if (encodedParams)
+ return this.url + "?" + encodedParams;
+ else
+ return this.url;
+ },
+
+ _handleResponse: function (savedUrlForErrorReporting)
+ {
+ if ( this.request.readyState == 4 ) {
+ // pick up appplication errors first
+ var errNode = null;
+ if (this.request.responseXML &&
+ (errNode = this.request.responseXML.documentElement)
+ && errNode.nodeName == 'error') {
+ var errMsg = errNode.getAttribute("msg");
+ var errCode = errNode.getAttribute("code");
+ var errAddInfo = '';
+ if (errNode.childNodes.length)
+ errAddInfo = ': ' + errNode.childNodes[0].nodeValue;
+
+ var err = new Error(errMsg + errAddInfo);
+ err.code = errCode;
+
+ if (this.errorHandler) {
+ this.errorHandler(err);
+ }
+ else {
+ throw err;
+ }
+ } else if (this.request.status == 200 &&
+ this.request.responseXML == null) {
+ if (this.request.responseText != null) {
+ //assume JSON
+
+ var json = null;
+ var text = this.request.responseText;
+ if (typeof window.JSON == "undefined")
+ json = eval("(" + text + ")");
+ else {
+ try {
+ json = JSON.parse(text);
+ }
+ catch (e) {
+ // Safari: eval will fail as well. Considering trying JSON2 (non-native implementation) instead
+ /* DEBUG only works in mk2-mobile
+ if (document.getElementById("log"))
+ document.getElementById("log").innerHTML = "" + e + " " + length + ": " + text;
+ */
+ try {
+ json = eval("(" + text + ")");
+ }
+ catch (e) {
+ /* DEBUG only works in mk2-mobile
+ if (document.getElementById("log"))
+ document.getElementById("log").innerHTML = "" + e + " " + length + ": " + text;
+ */
+ }
+ }
+ }
+ this.callback(json, "json");
+ } else {
+ var err = new Error("XML response is empty but no error " +
+ "for " + savedUrlForErrorReporting);
+ err.code = -1;
+ if (this.errorHandler) {
+ this.errorHandler(err);
+ } else {
+ throw err;
+ }
+ }
+ } else if (this.request.status == 200) {
+ this.callback(this.request.responseXML);
+ } else {
+ var err = new Error("HTTP response not OK: "
+ + this.request.status + " - "
+ + this.request.statusText );
+ err.code = '00' + this.request.status;
+ if (this.errorHandler) {
+ this.errorHandler(err);
+ }
+ else {
+ throw err;
+ }
+ }
+ }
+ }
+};
+
+/*
+********************************************************************************
+** XML HELPER FUNCTIONS ********************************************************
+********************************************************************************
+*/
+
+// DOMDocument
+
+if ( window.ActiveXObject) {
+ var DOMDoc = document;
+} else {
+ var DOMDoc = Document.prototype;
+}
+
+DOMDoc.newXmlDoc = function ( root )
+{
+ var doc;
+
+ if (document.implementation && document.implementation.createDocument) {
+ doc = document.implementation.createDocument('', root, null);
+ } else if ( window.ActiveXObject ) {
+ doc = new ActiveXObject("MSXML2.DOMDocument");
+ doc.loadXML('<' + root + '/>');
+ } else {
+ throw new Error ('No XML support in this browser');
+ }
+
+ return doc;
+}
+
+
+DOMDoc.parseXmlFromString = function ( xmlString )
+{
+ var doc;
+
+ if ( window.DOMParser ) {
+ var parser = new DOMParser();
+ doc = parser.parseFromString( xmlString, "text/xml");
+ } else if ( window.ActiveXObject ) {
+ doc = new ActiveXObject("MSXML2.DOMDocument");
+ doc.loadXML( xmlString );
+ } else {
+ throw new Error ("No XML parsing support in this browser.");
+ }
+
+ return doc;
+}
+
+DOMDoc.transformToDoc = function (xmlDoc, xslDoc)
+{
+ if ( window.XSLTProcessor ) {
+ var proc = new XSLTProcessor();
+ proc.importStylesheet( xslDoc );
+ return proc.transformToDocument(xmlDoc);
+ } else if ( window.ActiveXObject ) {
+ return document.parseXmlFromString(xmlDoc.transformNode(xslDoc));
+ } else {
+ alert( 'Unable to perform XSLT transformation in this browser' );
+ }
+}
+
+// DOMElement
+
+Element_removeFromDoc = function (DOM_Element)
+{
+ DOM_Element.parentNode.removeChild(DOM_Element);
+}
+
+Element_emptyChildren = function (DOM_Element)
+{
+ while( DOM_Element.firstChild ) {
+ DOM_Element.removeChild( DOM_Element.firstChild )
+ }
+}
+
+Element_appendTransformResult = function ( DOM_Element, xmlDoc, xslDoc )
+{
+ if ( window.XSLTProcessor ) {
+ var proc = new XSLTProcessor();
+ proc.importStylesheet( xslDoc );
+ var docFrag = false;
+ docFrag = proc.transformToFragment( xmlDoc, DOM_Element.ownerDocument );
+ DOM_Element.appendChild(docFrag);
+ } else if ( window.ActiveXObject ) {
+ DOM_Element.innerHTML = xmlDoc.transformNode( xslDoc );
+ } else {
+ alert( 'Unable to perform XSLT transformation in this browser' );
+ }
+}
+
+Element_appendTextNode = function (DOM_Element, tagName, textContent )
+{
+ var node = DOM_Element.ownerDocument.createElement(tagName);
+ var text = DOM_Element.ownerDocument.createTextNode(textContent);
+
+ DOM_Element.appendChild(node);
+ node.appendChild(text);
+
+ return node;
+}
+
+Element_setTextContent = function ( DOM_Element, textContent )
+{
+ if (typeof DOM_Element.textContent !== "undefined") {
+ DOM_Element.textContent = textContent;
+ } else if (typeof DOM_Element.innerText !== "undefined" ) {
+ DOM_Element.innerText = textContent;
+ } else {
+ throw new Error("Cannot set text content of the node, no such method.");
+ }
+}
+
+Element_getTextContent = function (DOM_Element)
+{
+ if ( typeof DOM_Element.textContent != 'undefined' ) {
+ return DOM_Element.textContent;
+ } else if (typeof DOM_Element.text != 'undefined') {
+ return DOM_Element.text;
+ } else {
+ throw new Error("Cannot get text content of the node, no such method.");
+ }
+}
+
+Element_parseChildNodes = function (node)
+{
+ var parsed = {};
+ var hasChildElems = false;
+ var textContent = '';
+
+ if (node.hasChildNodes()) {
+ var children = node.childNodes;
+ for (var i = 0; i < children.length; i++) {
+ var child = children[i];
+ switch (child.nodeType) {
+ case Node.ELEMENT_NODE:
+ hasChildElems = true;
+ var nodeName = child.nodeName;
+ if (!(nodeName in parsed))
+ parsed[nodeName] = [];
+ parsed[nodeName].push(Element_parseChildNodes(child));
+ break;
+ case Node.TEXT_NODE:
+ textContent += child.nodeValue;
+ break;
+ case Node.CDATA_SECTION_NODE:
+ textContent += child.nodeValue;
+ break;
+ }
+ }
+ }
+
+ var attrs = node.attributes;
+ for (var i = 0; i < attrs.length; i++) {
+ hasChildElems = true;
+ var attrName = '@' + attrs[i].nodeName;
+ var attrValue = attrs[i].nodeValue;
+ parsed[attrName] = attrValue;
+ }
+
+ // if no nested elements/attrs set value to text
+ if (hasChildElems)
+ parsed['#text'] = textContent;
+ else
+ parsed = textContent;
+
+ return parsed;
+}
+
+/* do not remove trailing bracket */
+}
projects / mkws-moved-to-github.git / commitdiff
