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tei-lod.js
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tei-lod.js
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(function(window) {
teilod = {
/**
* Map of languge code to lexicon for lemma lookup
**/
lexicons: {
'grc' : 'lsj',
'lat' : 'ls',
'ara' : 'lan'
},
/**
* Map of language codes to morphology engine for form lookup
*/
morphEngines: {
'grc': 'morpheusgrc',
'lat': 'morpheuslat',
'ara': 'aramorph'
},
/**
* Url to morphology service
*/
morphUrl : 'http://services.perseids.org/bsp/morphologyservice/analysis/word?word=WORD&lang=LANG&engine=ENGINE',
/**
* Url to lexicon service
*/
lexiconUrl: 'http://repos1.alpheios.net/exist/rest/db/xq/lexi-get.xq?lx=LEXICON&lg=LANG&out=html&l=LEMMA',
/**
* Url to treebank viewer
*/
syntaxUrl: 'http://repos.alpheios.net:8081/exist/rest/db/xq/treebank-xb-viewer.xq?&fmt=FORMAT&lang=LANG',
/**
* jQuery document ready function
*/
ready : function() {
$('.tei-word').dblclick(teilod.getLemmas);
$('.tei-word[data-corresp]').mouseover(teilod.showTranslation);
$('.tei-word[data-corresp]').mouseout(teilod.hideTranslation);
$('.tei-aligned-word[data-corresp]').mouseover(teilod.showTranslation);
$('.tei-aligned-word[data-corresp]').mouseout(teilod.hideTranslation);
$('.tbref').click(teilod.getSyntax);
},
/**
* Click handler for syntax lookup.
*/
getSyntax: function(a_event)
{
// update the syntax frame to show data is loading
$("#tei-syntax-frame").contents().find('body').prepend('<div class="loading">Loading...</div>');
// retrieve sentence XML from the document
var treebank = $(".data sentence",this);
var fmt = treebank.get(0).getAttribute("format");
var lang = treebank.get(0).getAttribute("xml:lang");
var sent = '<sentence fmt="' + fmt + '" lang="' + lang + '">' + $(".data sentence",this).get(0).innerHTML + '</sentence>';
// send the sentence to the remote treebank view loader app
var url = teilod.syntaxUrl;
url = url.replace('FORMAT',fmt);
url = url.replace('LANG',lang);
$.ajax(url, {
type: 'GET',
dataType: "xml",
isLocal: "true",
success: function(data) {
var jdata = $(data).contents().find('body').html();
$("#tei-syntax-frame").contents().find('body').html(jdata);
$("#tei-syntax-frame").contents().find('#sentence-xml').html(sent);
$("#tei-syntax-frame").contents().find('#sentence-xml').change();
},
error: function() {
$("#tei-syntax-frame").contents().find('body').html('<div class="error">Error Loading Syntax View</div>');
}
});
},
/**
* Mouseover handler for highlighting aligned translation
*/
showTranslation: function(a_event) {
var resource = $(this).attr('data-corresp');
var isTranslation = false;
if ($(this).parents('.tei-aligned-text').length > 0) {
isTranslation = true;
}
if (resource != null && resource != '') {
var resources = resource.split(' ');
for (var i=0; i<resources.length; i++) {
var node;
if (isTranslation) {
node = $(".tei-word[data-n=" + resources[i] + "]")
}
else {
node = $(".tei-aligned-text .tei-aligned-word[data-n=" + resources[i] + "]")
}
$(this).addClass('highlight');
node.addClass('highlight');
}
}
},
/**
* Mouseover handler for removing highlight from aligned translation
*/
hideTranslation: function(a_event) {
var resource = $(this).attr('data-corresp');
var isTranslation = false;
if ($(this).parents('.tei-aligned-text').length > 0) {
isTranslation = true;
}
if (resource != null && resource != '') {
var resources = resource.split(' ');
for (var i=0; i<resources.length; i++) {
if (isTranslation) {
node = $(".tei-word[data-n=" + resources[i] + "]")
}
else {
node = $(".tei-aligned-text .tei-aligned-word[data-n=" + resources[i] + "]")
}
$(this).removeClass('highlight');
node.removeClass('highlight');
}
}
},
/**
* Use Morphology service to analyze form and identify lemma and lookup lemma in the lexicon service.
*/
getLemmas : function(a_elem,a_callback) {
$('#tei-lemmas-loading').html('Looking up lemmas....');
var lang = teilod.getLanguageForElement(a_elem);
if (lang != null && lang != '') {
var url = teilod.morphUrl;
url= url.replace('WORD',$(a_elem).val()).replace('LANG',lang).replace('ENGINE',teilod.morphEngines[lang]);
$.ajax(
url, {
type: 'GET',
dataType: 'json',
success: function(data,textStatus,xR) {
var parses = [];
var lemmas = [];
var annotations = data.RDF.Annotation.Body;
var x = typeof annotations;
if (annotations && annotations[0] != null)
{
for (var i in annotations) {
parses[i] = annotations[i];
}
}
else {
parses[i] = annotations;
}
for (var i in parses) {
var entries = [];
if (parses[i]) {
var entry = parses[i].rest.entry;
if (entry[0] != null) {
for (j in entry) {
entries[j] = entry[j];
}
}
else {
entries[0] = entry;
}
}
for (var k in entries) {
lemmas.push(entries[k].dict.hdwd.$);
}
}
a_callback($.unique(lemmas));
$('#tei-lemmas-loading').html('');
},
error: function(xR,textstatus,error) {
$('#tei-lemmas-loading').html('Error');
alert("failure" + textstatus + error);
}
});
}
},
/**
* get the language of the selected element (from the element itself or its nearest parent)
*/
getLanguageForElement: function(a_elem) {
var lang_key = null;
var elem_lang = null;
var checkSet = $(a_elem).add($(a_elem).parents());
// iterate through the set of the element and its parents
// taking the value of the first lang or xml:lang attribute found
// order of parents added in checkSet is closest-first
for (var i=0; i<checkSet.length; i++)
{
var elem = checkSet.eq(i)
elem_lang = elem.attr("lang") || elem.attr("xml:lang");
if (elem_lang)
{
break;
}
}
return elem_lang;
}
};
window.teilod = teilod;
})(window);