/*
-** $Id: pz2.js,v 1.60 2007-10-02 10:33:18 jakub Exp $
+** $Id: pz2.js,v 1.61 2007-10-02 11:47:50 jakub Exp $
** pz2.js - pazpar2's javascript client library.
*/
// at least one callback required
if ( !paramArray )
- throw new Error("Pz2.js: An array with parameters has to be suplied when instantiating a class");
-
- //for convenience
- __myself = this;
+ throw new Error("Pz2.js: An array with parameters has to be suplied when instantiating a class");
//supported pazpar2's protocol version
- __myself.suppProtoVer = '1';
+ this.suppProtoVer = '1';
if (typeof paramArray.pazpar2path != "undefined")
- __myself.pz2String = paramArray.pazpar2path;
+ this.pz2String = paramArray.pazpar2path;
else
- __myself.pz2String = "/pazpar2/search.pz2";
- __myself.useSessions = true;
+ this.pz2String = "/pazpar2/search.pz2";
+ this.useSessions = true;
- __myself.stylesheet = paramArray.detailstylesheet || null;
+ this.stylesheet = paramArray.detailstylesheet || null;
//load stylesheet if required in async mode
- if( __myself.stylesheet ) {
- var request = new pzHttpRequest( __myself.stylesheet );
- request.get( {}, function ( doc ) { __myself.xslDoc = doc; } );
+ if( this.stylesheet ) {
+ var context = this;
+ var request = new pzHttpRequest( this.stylesheet );
+ request.get( {}, function ( doc ) { context.xslDoc = doc; } );
}
- __myself.errorHandler = paramArray.errorhandler || null;
+ this.errorHandler = paramArray.errorhandler || null;
// function callbacks
- __myself.statCallback = paramArray.onstat || null;
- __myself.showCallback = paramArray.onshow || null;
- __myself.termlistCallback = paramArray.onterm || null;
- __myself.recordCallback = paramArray.onrecord || null;
- __myself.bytargetCallback = paramArray.onbytarget || null;
- __myself.resetCallback = paramArray.onreset || 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
- __myself.termKeys = paramArray.termlist || "subject";
+ this.termKeys = paramArray.termlist || "subject";
// some configurational stuff
- __myself.keepAlive = 50000;
+ this.keepAlive = 50000;
- if ( paramArray.keepAlive < __myself.keepAlive )
- __myself.keepAlive = paramArray.keepAlive;
+ if ( paramArray.keepAlive < this.keepAlive )
+ this.keepAlive = paramArray.keepAlive;
- __myself.sessionID = null;
- __myself.initStatusOK = false;
- __myself.pingStatusOK = false;
- __myself.searchStatusOK = false;
+ this.sessionID = null;
+ this.initStatusOK = false;
+ this.pingStatusOK = false;
+ this.searchStatusOK = false;
// for sorting
- __myself.currentSort = "relevance";
+ this.currentSort = "relevance";
// where are we?
- __myself.currentStart = 0;
- __myself.currentNum = 20;
+ this.currentStart = 0;
+ this.currentNum = 20;
// last full record retrieved
- __myself.currRecID = null;
+ this.currRecID = null;
// current query
- __myself.currQuery = null;
+ this.currQuery = null;
//timers
- __myself.statTime = paramArray.stattime || 1000;
- __myself.statTimer = null;
- __myself.termTime = paramArray.termtime || 1000;
- __myself.termTimer = null;
- __myself.showTime = paramArray.showtime || 1000;
- __myself.showTimer = null;
- __myself.showFastCount = 4;
- __myself.bytargetTime = paramArray.bytargettime || 1000;
- __myself.bytargetTimer = 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;
// counters for each command and applied delay
- __myself.dumpFactor = 500;
- __myself.showCounter = 0;
- __myself.termCounter = 0;
- __myself.statCounter = 0;
- __myself.bytargetCounter = 0;
+ this.dumpFactor = 500;
+ this.showCounter = 0;
+ this.termCounter = 0;
+ this.statCounter = 0;
+ this.bytargetCounter = 0;
// active clients, updated by stat and show
// might be an issue since bytarget will poll accordingly
- __myself.activeClients = 1;
+ this.activeClients = 1;
// if in proxy mode no need to init
if (paramArray.usesessions != undefined) {
- __myself.useSessions = paramArray.usesessions;
- __myself.initStatusOK = true;
+ this.useSessions = paramArray.usesessions;
+ this.initStatusOK = true;
}
// else, auto init session or wait for a user init?
- if (__myself.useSessions && paramArray.autoInit !== false) {
- __myself.init();
+ if (this.useSessions && paramArray.autoInit !== false) {
+ this.init();
}
};
var err = new Error(errMsg);
if (errCode) err.code = errCode;
- if (__myself.errorHandler) {
- __myself.errorHandler(err);
+ if (this.errorHandler) {
+ this.errorHandler(err);
}
else {
throw err;
// stop activity by clearing tiemouts
stop: function ()
{
- clearTimeout(__myself.statTimer);
- clearTimeout(__myself.showTimer);
- clearTimeout(__myself.termTimer);
- clearTimeout(__myself.bytargetTimer);
+ clearTimeout(this.statTimer);
+ clearTimeout(this.showTimer);
+ clearTimeout(this.termTimer);
+ clearTimeout(this.bytargetTimer);
},
// reset status variables
reset: function ()
{
- if ( __myself.useSessions ) {
- __myself.sessionID = null;
- __myself.initStatusOK = false;
- __myself.pingStatusOK = false;
+ if ( this.useSessions ) {
+ this.sessionID = null;
+ this.initStatusOK = false;
+ this.pingStatusOK = false;
}
- __myself.searchStatusOK = false;
- __myself.stop();
+ this.searchStatusOK = false;
+ this.stop();
- if ( __myself.resetCallback )
- __myself.resetCallback();
+ if ( this.resetCallback )
+ this.resetCallback();
},
init: function ( sessionId )
{
- __myself.reset();
+ this.reset();
// session id as a param
- if ( sessionId != undefined && __myself.useSessions ) {
- __myself.initStatusOK = true;
- __myself.sessionID = sessionId;
- __myself.ping();
+ if ( sessionId != undefined && this.useSessions ) {
+ this.initStatusOK = true;
+ this.sessionID = sessionId;
+ this.ping();
// old school direct pazpar2 init
- } else if (__myself.useSessions) {
- var request = new pzHttpRequest(__myself.pz2String, __myself.errorHandler);
+ } else if (this.useSessions) {
+ var context = this;
+ var request = new pzHttpRequest(this.pz2String, this.errorHandler);
request.get(
{ "command": "init" },
function(data) {
- if ( data.getElementsByTagName("status")[0].childNodes[0].nodeValue == "OK" ) {
- if ( data.getElementsByTagName("protocol")[0].childNodes[0].nodeValue
- != __myself.suppProtoVer )
+ 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");
- __myself.initStatusOK = true;
- __myself.sessionID = data.getElementsByTagName("session")[0].childNodes[0].nodeValue;
- setTimeout("__myself.ping()", __myself.keepAlive);
+ context.initStatusOK = true;
+ context.sessionID =
+ data.getElementsByTagName("session")[0]
+ .childNodes[0].nodeValue;
+ setTimeout(
+ function () {
+ context.ping();
+ },
+ context.keepAlive
+ );
}
else
- // if it gets here the http return code was 200 (pz2 errors are 417)
- // but the response was invalid, it should never occur
- // setTimeout("__myself.init()", 1000);
- __myself.throwError('Init failed. Malformed WS resonse.', 110);
+ context.throwError('Init failed. Malformed WS resonse.',
+ 110);
}
);
// when through proxy no need to init
} else {
- __myself.initStatusOK = true;
+ this.initStatusOK = true;
}
},
// no need to ping explicitly
ping: function ()
{
// pinging only makes sense when using pazpar2 directly
- if( !__myself.initStatusOK || !__myself.useSessions )
+ if( !this.initStatusOK || !this.useSessions )
throw new Error('Pz2.js: Ping not allowed (proxy mode) or session not initialized.');
// session is not initialized code here
- var request = new pzHttpRequest(__myself.pz2String, __myself.errorHandler);
+ var context = this;
+ var request = new pzHttpRequest(this.pz2String, this.errorHandler);
request.get(
- { "command": "ping", "session": __myself.sessionID },
+ { "command": "ping", "session": this.sessionID },
function(data) {
- if ( data.getElementsByTagName("status")[0].childNodes[0].nodeValue == "OK" ) {
- __myself.pingStatusOK = true;
- setTimeout("__myself.ping()", __myself.keepAlive);
+ if ( data.getElementsByTagName("status")[0]
+ .childNodes[0].nodeValue == "OK" ) {
+ context.pingStatusOK = true;
+ setTimeout(
+ function () {
+ context.ping();
+ },
+ context.keepAlive
+ );
}
else
- // if it gets here the http return code was 200 (pz2 errors are 417)
- // but the response was invalid, it should never occur
- // setTimeout("__myself.ping()", 1000);
- __myself.throwError('Ping failed. Malformed WS resonse.', 111);
+ context.throwError('Ping failed. Malformed WS resonse.',
+ 111);
}
);
},
search: function (query, num, sort, filter, showfrom)
{
- clearTimeout(__myself.statTimer);
- clearTimeout(__myself.showTimer);
- clearTimeout(__myself.termTimer);
- clearTimeout(__myself.bytargetTimer);
+ clearTimeout(this.statTimer);
+ clearTimeout(this.showTimer);
+ clearTimeout(this.termTimer);
+ clearTimeout(this.bytargetTimer);
- __myself.showCounter = 0;
- __myself.termCounter = 0;
- __myself.bytargetCounter = 0;
- __myself.statCounter = 0;
+ this.showCounter = 0;
+ this.termCounter = 0;
+ this.bytargetCounter = 0;
+ this.statCounter = 0;
// no proxy mode
- if( !__myself.initStatusOK )
+ if( !this.initStatusOK )
throw new Error('Pz2.js: session not initialized.');
if( query !== undefined )
- __myself.currQuery = query;
+ this.currQuery = query;
else
throw new Error("Pz2.js: no query supplied to the search command.");
else
var start = 0;
- var searchParams = { "command": "search", "query": __myself.currQuery, "session": __myself.sessionID };
+ var searchParams = {
+ "command": "search",
+ "query": this.currQuery,
+ "session": this.sessionID
+ };
if (filter !== undefined)
searchParams["filter"] = filter;
- var request = new pzHttpRequest(__myself.pz2String, __myself.errorHandler);
+ var context = this;
+ var request = new pzHttpRequest(this.pz2String, this.errorHandler);
request.get(
searchParams,
function(data) {
- if ( data.getElementsByTagName("status")[0].childNodes[0].nodeValue == "OK" ) {
- __myself.searchStatusOK = true;
+ if ( data.getElementsByTagName("status")[0]
+ .childNodes[0].nodeValue == "OK" ) {
+ context.searchStatusOK = true;
//piggyback search
- __myself.show(start, num, sort);
- if ( __myself.statCallback )
- __myself.stat();
- //__myself.statTimer = setTimeout("__myself.stat()", __myself.statTime / 4);
- if ( __myself.termlistCallback )
- __myself.termlist();
- //__myself.termTimer = setTimeout("__myself.termlist()", __myself.termTime / 4);
- if ( __myself.bytargetCallback )
- __myself.bytarget();
- //__myself.bytargetTimer = setTimeout("__myself.bytarget()", __myself.bytargetTime / 4);
+ context.show(start, num, sort);
+ if ( context.statCallback )
+ context.stat();
+ if ( context.termlistCallback )
+ context.termlist();
+ if ( context.bytargetCallback )
+ context.bytarget();
}
else
- // if it gets here the http return code was 200 (pz2 errors are 417)
- // but the response was invalid, it should never occur
- // setTimeout("__myself.search(__myself.currQuery)", 500);
- __myself.throwError('Search failed. Malformed WS resonse.', 112);
+ context.throwError('Search failed. Malformed WS resonse.',
+ 112);
}
);
},
stat: function()
{
- if( !__myself.initStatusOK )
+ if( !this.initStatusOK )
throw new Error('Pz2.js: session not initialized.');
// if called explicitly takes precedence
- clearTimeout(__myself.statTimer);
+ clearTimeout(this.statTimer);
- var request = new pzHttpRequest(__myself.pz2String, __myself.errorHandler);
+ var context = this;
+ var request = new pzHttpRequest(this.pz2String, this.errorHandler);
request.get(
- { "command": "stat", "session": __myself.sessionID },
+ { "command": "stat", "session": this.sessionID },
function(data) {
if ( data.getElementsByTagName("stat") ) {
- var activeClients = Number( data.getElementsByTagName("activeclients")[0].childNodes[0].nodeValue );
- __myself.activeClients = activeClients;
+ var activeClients =
+ Number( data.getElementsByTagName("activeclients")[0]
+ .childNodes[0].nodeValue );
+ context.activeClients = activeClients;
var stat = {
- "activeclients": activeClients,
- "hits": Number( data.getElementsByTagName("hits")[0].childNodes[0].nodeValue ),
- "records": Number( data.getElementsByTagName("records")[0].childNodes[0].nodeValue ),
- "clients": Number( data.getElementsByTagName("clients")[0].childNodes[0].nodeValue ),
- "initializing": Number( data.getElementsByTagName("initializing")[0].childNodes[0].nodeValue ),
- "searching": Number( data.getElementsByTagName("searching")[0].childNodes[0].nodeValue ),
- "presenting": Number( data.getElementsByTagName("presenting")[0].childNodes[0].nodeValue ),
- "idle": Number( data.getElementsByTagName("idle")[0].childNodes[0].nodeValue ),
- "failed": Number( data.getElementsByTagName("failed")[0].childNodes[0].nodeValue ),
- "error": Number( data.getElementsByTagName("error")[0].childNodes[0].nodeValue )
+ "activeclients": activeClients,
+ "hits":
+ Number( data.getElementsByTagName("hits")[0]
+ .childNodes[0].nodeValue ),
+ "records":
+ Number( data.getElementsByTagName("records")[0]
+ .childNodes[0].nodeValue ),
+ "clients":
+ Number( data.getElementsByTagName("clients")[0]
+ .childNodes[0].nodeValue ),
+ "initializing":
+ Number( data.getElementsByTagName("initializing")[0]
+ .childNodes[0].nodeValue ),
+ "searching":
+ Number( data.getElementsByTagName("searching")[0]
+ .childNodes[0].nodeValue ),
+ "presenting":
+ Number( data.getElementsByTagName("presenting")[0]
+ .childNodes[0].nodeValue ),
+ "idle":
+ Number( data.getElementsByTagName("idle")[0]
+ .childNodes[0].nodeValue ),
+ "failed":
+ Number( data.getElementsByTagName("failed")[0]
+ .childNodes[0].nodeValue ),
+ "error":
+ Number( data.getElementsByTagName("error")[0]
+ .childNodes[0].nodeValue )
};
- __myself.statCounter++;
- var delay = __myself.statTime + __myself.statCounter * __myself.dumpFactor;
+ context.statCounter++;
+ var delay = context.statTime
+ + context.statCounter * context.dumpFactor;
+
if ( activeClients > 0 )
- __myself.statTimer = setTimeout("__myself.stat()", delay);
- __myself.statCallback(stat);
+ context.statTimer =
+ setTimeout(
+ function () {
+ context.stat();
+ },
+ delay
+ );
+ context.statCallback(stat);
}
else
- // if it gets here the http return code was 200 (pz2 errors are 417)
- // but the response was invalid, it should never occur
- //__myself.statTimer = setTimeout("__myself.stat()", __myself.statTime / 4);
- __myself.throwError('Stat failed. Malformed WS resonse.', 113);
+ context.throwError('Stat failed. Malformed WS resonse.',
+ 113);
}
);
},
show: function(start, num, sort)
{
- if( !__myself.searchStatusOK && __myself.useSessions )
+ 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(__myself.showTimer);
+ clearTimeout(this.showTimer);
if( sort !== undefined )
- __myself.currentSort = sort;
+ this.currentSort = sort;
if( start !== undefined )
- __myself.currentStart = Number( start );
+ this.currentStart = Number( start );
if( num !== undefined )
- __myself.currentNum = Number( num );
+ this.currentNum = Number( num );
- var request = new pzHttpRequest(__myself.pz2String, __myself.errorHandler);
var context = this;
+ var request = new pzHttpRequest(this.pz2String, this.errorHandler);
request.get(
- { "command": "show", "session": __myself.sessionID, "start": __myself.currentStart,
- "num": __myself.currentNum, "sort": __myself.currentSort, "block": 1 },
+ {
+ "command": "show",
+ "session": this.sessionID,
+ "start": this.currentStart,
+ "num": this.currentNum,
+ "sort": this.currentSort,
+ "block": 1
+ },
function(data) {
- if ( data.getElementsByTagName("status")[0].childNodes[0].nodeValue == "OK" ) {
+ 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
- var activeClients = Number( data.getElementsByTagName("activeclients")[0].childNodes[0].nodeValue );
- __myself.activeClients = activeClients;
+ var activeClients =
+ Number( data.getElementsByTagName("activeclients")[0]
+ .childNodes[0].nodeValue );
+ context.activeClients = activeClients;
var 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": []
+ "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");
show.hits[i]['location'] = new Array();
for ( j = 0; j < hits[i].childNodes.length; j++) {
var locCount = 0;
- if ( hits[i].childNodes[j].nodeType == Node.ELEMENT_NODE ) {
- if (hits[i].childNodes[j].nodeName == 'location') {
+ if ( hits[i].childNodes[j].nodeType
+ == Node.ELEMENT_NODE ) {
+ if (hits[i].childNodes[j].nodeName
+ == 'location') {
var locNode = hits[i].childNodes[j];
var id = locNode.getAttribute('id');
show.hits[i]['location'][id] = {
};
}
else {
- var nodeName = hits[i].childNodes[j].nodeName;
+ var nodeName =
+ hits[i].childNodes[j].nodeName;
var nodeText = 'ERROR'
if ( hits[i].childNodes[j].firstChild )
- nodeText = hits[i].childNodes[j].firstChild.nodeValue;
+ nodeText =
+ hits[i].childNodes[j]
+ .firstChild.nodeValue;
show.hits[i][nodeName] = nodeText;
}
}
}
}
- __myself.showCounter++;
- var delay = __myself.showTime;
- if (__myself.showCounter > __myself.showFastCount)
- delay += __myself.showCounter * __myself.dumpFactor;
+ context.showCounter++;
+ var delay = context.showTime;
+ if (context.showCounter > context.showFastCount)
+ delay += context.showCounter * context.dumpFactor;
if ( activeClients > 0 )
- __myself.showTimer = setTimeout("__myself.show()", delay);
+ context.showTimer = setTimeout(
+ function () {
+ context.show();
+ },
+ delay);
- __myself.showCallback(show);
+ context.showCallback(show);
}
else
- // if it gets here the http return code was 200 (pz2 errors are 417)
- // but the response was invalid, it should never occur
- // __myself.showTimer = setTimeout("__myself.show()", __myself.showTime / 4);
- __myself.throwError('Show failed. Malformed WS resonse.', 114);
+ context.throwError('Show failed. Malformed WS resonse.',
+ 114);
}
);
},
record: function(id, offset, params)
{
// we may call record with no previous search if in proxy mode
- if( !__myself.searchStatusOK && __myself.useSessions)
- throw new Error('Pz2.js: record command has to be preceded with a search command.');
-
+ if( !this.searchStatusOK && this.useSessions)
+ throw new Error(
+ 'Pz2.js: record command has to be preceded with a search command.'
+ );
if ( params == undefined )
params = {};
if ( params.callback != undefined ) {
callback = params.callback;
} else {
- callback = __myself.recordCallback;
+ callback = this.recordCallback;
}
// what is that?
handle = params['handle'];
if( id !== undefined )
- __myself.currRecID = id;
+ this.currRecID = id;
- var request = new pzHttpRequest(__myself.pz2String, __myself.errorHandler);
+ var context = this;
+ var request = new pzHttpRequest(this.pz2String, this.errorHandler);
var recordParams = { "command": "record",
- "session": __myself.sessionID,
- "id": __myself.currRecID };
+ "session": this.sessionID,
+ "id": this.currRecID };
if (offset !== undefined) {
recordParams["offset"] = offset;
recordParams['syntax'] = params.syntax;
}
- __myself.currRecOffset = offset;
+ this.currRecOffset = offset;
request.get(
recordParams,
var recordNode;
var record = new Array();
record['xmlDoc'] = data;
- if (__myself.currRecOffset !== undefined) {
- record['offset'] = __myself.currRecOffset;
+ if (context.currRecOffset !== undefined) {
+ record['offset'] = context.currRecOffset;
callback(record, handle);
- } else if ( recordNode = data.getElementsByTagName("record")[0] ) {
+ } else if ( recordNode =
+ data.getElementsByTagName("record")[0] ) {
// if stylesheet was fetched do not parse the response
- if ( __myself.xslDoc ) {
- record['recid'] = recordNode.getElementsByTagName("recid")[0].firstChild.nodeValue;
- record['xslDoc'] = __myself.xslDoc;
+ if ( context.xslDoc ) {
+ record['recid'] =
+ recordNode.getElementsByTagName("recid")[0]
+ .firstChild.nodeValue;
+ record['xslDoc'] =
+ context.xslDoc;
} else {
for ( i = 0; i < recordNode.childNodes.length; i++) {
- if ( recordNode.childNodes[i].nodeType == Node.ELEMENT_NODE
- && recordNode.childNodes[i].nodeName != 'location' ) {
- var nodeName = recordNode.childNodes[i].nodeName;
- var nodeText = recordNode.childNodes[i].firstChild.nodeValue;
+ if ( recordNode.childNodes[i].nodeType
+ == Node.ELEMENT_NODE
+ && recordNode.childNodes[i].nodeName
+ != 'location' ) {
+ var nodeName =
+ recordNode.childNodes[i].nodeName;
+ var nodeText =
+ recordNode.childNodes[i]
+ .firstChild.nodeValue;
record[nodeName] = nodeText;
}
}
// the location might be empty!!
- var locationNodes = recordNode.getElementsByTagName("location");
+ var locationNodes =
+ recordNode.getElementsByTagName("location");
record["location"] = new Array();
for ( i = 0; i < locationNodes.length; i++ ) {
record["location"][i] = {
};
for ( j = 0; j < locationNodes[i].childNodes.length; j++) {
- if ( locationNodes[i].childNodes[j].nodeType == Node.ELEMENT_NODE ) {
- var nodeName = locationNodes[i].childNodes[j].nodeName;
+ if ( locationNodes[i].childNodes[j].nodeType
+ == Node.ELEMENT_NODE ) {
+ var nodeName =
+ locationNodes[i].childNodes[j].nodeName;
var nodeText = '';
- if (locationNodes[i].childNodes[j].firstChild)
- nodeText = locationNodes[i].childNodes[j].firstChild.nodeValue;
+ if (locationNodes[i].childNodes[j]
+ .firstChild)
+ nodeText =
+ locationNodes[i].childNodes[j]
+ .firstChild.nodeValue;
record["location"][i][nodeName] = nodeText;
}
}
callback(record, handle);
}
else
- // if it gets here the http return code was 200 (pz2 errors are 417)
- // but the response was invalid, it should never occur
- // setTimeout("__myself.record(__myself.currRecID)", 500);
- __myself.throwError('Record failed. Malformed WS resonse.', 115);
+ context.throwError('Record failed. Malformed WS resonse.',
+ 115);
}
);
},
termlist: function()
{
- if( !__myself.searchStatusOK && __myself.useSessions )
+ 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(__myself.termTimer);
+ clearTimeout(this.termTimer);
- var request = new pzHttpRequest(__myself.pz2String, __myself.errorHandler);
+ var context = this;
+ var request = new pzHttpRequest(this.pz2String, this.errorHandler);
request.get(
- { "command": "termlist", "session": __myself.sessionID, "name": __myself.termKeys },
+ {
+ "command": "termlist",
+ "session": this.sessionID,
+ "name": this.termKeys
+ },
function(data) {
if ( data.getElementsByTagName("termlist") ) {
- var activeClients = Number( data.getElementsByTagName("activeclients")[0].childNodes[0].nodeValue );
- __myself.activeClients = activeClients;
+ 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 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'
+ "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'
};
- var termIdNode = terms[j].getElementsByTagName("id");
+ var termIdNode =
+ terms[j].getElementsByTagName("id");
if(terms[j].getElementsByTagName("id").length)
- term["id"] = termIdNode[0].childNodes[0].nodeValue;
-
+ term["id"] =
+ termIdNode[0].childNodes[0].nodeValue;
termList[listName][j] = term;
}
}
- __myself.termCounter++;
- var delay = __myself.termTime + __myself.termCounter * __myself.dumpFactor;
+ context.termCounter++;
+ var delay = context.termTime
+ + context.termCounter * context.dumpFactor;
if ( activeClients > 0 )
- __myself.termTimer = setTimeout("__myself.termlist()", delay);
+ context.termTimer =
+ setTimeout(
+ function () {
+ context.termlist();
+ },
+ delay
+ );
- __myself.termlistCallback(termList);
+ context.termlistCallback(termList);
}
else
- // if it gets here the http return code was 200 (pz2 errors are 417)
- // but the response was invalid, it should never occur
- // __myself.termTimer = setTimeout("__myself.termlist()", __myself.termTime / 4);
- __myself.throwError('Termlist failed. Malformed WS resonse.', 116);
+ context.throwError('Termlist failed. Malformed WS resonse.',
+ 116);
}
);
},
bytarget: function()
{
- if( !__myself.initStatusOK && __myself.useSessions )
+ 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( !__myself.searchStatusOK )
+ if( !this.searchStatusOK )
return;
// if called explicitly takes precedence
- clearTimeout(__myself.bytargetTimer);
+ clearTimeout(this.bytargetTimer);
- var request = new pzHttpRequest(__myself.pz2String, __myself.errorHandler);
+ var context = this;
+ var request = new pzHttpRequest(this.pz2String, this.errorHandler);
request.get(
- { "command": "bytarget", "session": __myself.sessionID },
+ { "command": "bytarget", "session": this.sessionID },
function(data) {
- if ( data.getElementsByTagName("status")[0].childNodes[0].nodeValue == "OK" ) {
+ 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;
- var nodeText = targetNodes[i].childNodes[j].firstChild.nodeValue;
+ if ( targetNodes[i].childNodes[j].nodeType
+ == Node.ELEMENT_NODE ) {
+ var nodeName =
+ targetNodes[i].childNodes[j].nodeName;
+ var nodeText =
+ targetNodes[i].childNodes[j]
+ .firstChild.nodeValue;
bytarget[i][nodeName] = nodeText;
}
}
}
- __myself.bytargetCounter++;
- var delay = __myself.bytargetTime + __myself.bytargetCounter * __myself.dumpFactor;
- if ( __myself.activeClients > 0 )
- __myself.bytargetTimer = setTimeout("__myself.bytarget()", delay);
-
- __myself.bytargetCallback(bytarget);
+ 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
- // if it gets here the http return code was 200 (pz2 errors are 417)
- // but the response was invalid, it should never occur
- // __myself.bytargetTimer = setTimeout("__myself.bytarget()", __myself.bytargetTime / 4);
- __myself.throwError('Bytarget failed. Malformed WS resonse.', 117);
+ context.throwError('Bytarget failed. Malformed WS resonse.',
+ 117);
}
);
},
showNext: function(page)
{
var step = page || 1;
- __myself.show( ( step * __myself.currentNum ) + __myself.currentStart );
+ this.show( ( step * this.currentNum ) + this.currentStart );
},
showPrev: function(page)
{
- if (__myself.currentStart == 0 )
+ if (this.currentStart == 0 )
return false;
var step = page || 1;
- var newStart = __myself.currentStart - (step * __myself.currentNum );
- __myself.show( newStart > 0 ? newStart : 0 );
+ var newStart = this.currentStart - (step * this.currentNum );
+ this.show( newStart > 0 ? newStart : 0 );
},
showPage: function(pageNum)
{
//var page = pageNum || 1;
- __myself.show(pageNum * __myself.currentNum);
+ this.show(pageNum * this.currentNum);
}
};
/*
-*********************************************************************************
-** AJAX HELPER CLASS ************************************************************
-*********************************************************************************
+********************************************************************************
+** AJAX HELPER CLASS ***********************************************************
+********************************************************************************
*/
var pzHttpRequest = function ( url, errorHandler ) {
this.request = null;
projects / pazpar2-moved-to-github.git / commitdiff