source: other-projects/hathitrust/wcsa/extracted-features-solr/trunk/web-portal/index.js@ 31383

var langs_with_pos =["da","de","en","nl","pt"];
var langs_without_pos =["af","ar","bg","bn","cs","el","es","et","fa","fi","fr","he","hi","hr","hu","id","it","ja","kn","ko","lt","lv","mk","ml","mr","ne","no","pa","pl","ro","ru","sk","sl","so","sq","sv","sw","ta","te","th","tl","tr","uk","ur","vi","zh-cn","zh-tw"];

function lang_pos_toggle(event) {
    var $this =$(this);
    var checked_state = $this.prop("checked");

    var id = $this.attr("id");
    var split_id = id.split("-");
    var related_id = split_id[0] + "-pos-choice";

    //console.log("checked state = " + checked_state);

    var disable_state = !checked_state;
    $('#'+related_id + " *").prop('disabled',disable_state);
};

function ajax_error(jqXHR, textStatus, errorThrown) {
    alert('An error occurred... Look at the console (F12 or Ctrl+Shift+I, Console tab) for more information!');

    console.log('jqXHR:' + jqXHR);
    console.log('textStatus:' + textStatus);
    console.log('errorThrown:' + errorThrown);
}       


function add_titles(json_data) {
    $.each( json_data, function( htid_with_prefix, htid_val ) {
    var htid = htid_with_prefix.replace(/^htid:/,"");
    
    $.each(htid_val.records, function( internalid, metadata ) {
        var title = metadata.titles[0];
        $("[name='"+htid+"']").each(function() {$(this).html(title)});
        console.log(htid + ", title = " + metadata.titles[0]);
    });
    });
}

function show_results(jsonData) {
    var response = jsonData.response;
    var num_found = response.numFound;
    var docs = response.docs;
    var num_docs = docs.length;

    var $search_results = $('#search-results');
    if (num_docs>0) {
    $search_results.html("<p>Results: " + num_found + " volumes/documents matched</p>");
    $search_results.append("<p>Showing matches: 1-" + num_docs + "</p>");
    }
    else {
    $search_results.html("<p>No volumes/documents matched your query</p>");
    }

    // https://babel.hathitrust.org/cgi/pt?id=hvd.hnnssu;view=1up;seq=11

    var htids = [];
    
    for (var i=0; i<num_docs; i++) {
    var doc = docs[i];
    var id_and_page = doc.id.split(".page-");
    var id = id_and_page[0];
    var page = parseInt(id_and_page[1]);

    
    var css_class = (i%2 == 0) ? 'class="evenline"' : 'class="oddline"';
    //var restful_safe_id = id.replace(/\./g,",").replace(/:/g, "+").replace(/\//g, "=");
    
    var babel_url = "https://babel.hathitrust.org/cgi/pt?id="+id+";view=1up;seq="+page;

    var result_item = '<a target="_blank" href="' + babel_url + '">' + id + ', page ' + page + '</a>';
    result_item += ' <span style="font-style: italic;" name="'+id+'"><span style="cursor: progress;">Loading ...</span></span>';
    $search_results.append('<p ' + css_class + '>'+result_item+'</p>');

    htids.push("htid:"+id);

    }

    // Example URL for catalog metadata (multiple items)
    // http://catalog.hathitrust.org/api/volumes/brief/json/id:552;lccn:70628581|isbn:0030110408

    var htids_str = htids.join("|",htids);
    var cat_url = "http://catalog.hathitrust.org/api/volumes/brief/json/" + htids_str;
        $.ajax({
        url: cat_url,
        dataType: 'jsonp',
        jsonpCallback: "add_titles"
    });


    //var json_pretty = JSON.stringify(jsonData.response, null, '\t');
    //$('#search-results').text(json_pretty)
}

$(function() {
    $('#en-enabled').click(lang_pos_toggle);
    $('#de-enabled').click(lang_pos_toggle);
    $('#de-pos-choice *').prop('disabled',true);

    // setup other languages
    // for each 'langs_without_pos' generate HTML of the form:
    //    <input type="checkbox" name="fr-enabled" id="fr-enabled" />French
    var $other_langs = $('#other-langs');
    for (var i=0; i<langs_without_pos.length; i++) {
    var lang = langs_without_pos[i];
    $other_langs.append('<input type="checkbox" name="'+lang+'-enabled" id="'+lang+'-enabled" />');
    /*
    if (lang === "zh-cn") {
        console.log("Mapping zh-cn => zh");
        lang = "zh";
    }
    if (lang === "zh-tw") {
        console.log("Mapping zh-tw => zh");
        lang = "zh";
    }
*/
    var lang_full = isoLangs[lang].name;
    var lang_native_full = isoLangs[lang].nativeName;
    var opt_title = (lang_full !== lang_native_full) ? 'title="'+lang_native_full+'"' : "";
    
    $other_langs.append('<span style="padding-right: 10px;" ' + opt_title + '>'+lang_full+'</span> ');
    
    }
    

    
    $('#search-submit').click(function(event) {
    event.preventDefault();

    var action = $('#search-form').attr("action");

    var arg_indent = $('#indent').attr('value');
    var arg_wt = $('#wt').attr('value');
    var q_text = $('#q').val();

    var fields = [];
    var langs_with_pos = [ "da", "de", "en", "nl", "pt", "se" ];
    var universal_pos_tags = [ "VERB", "NOUN", "ADJ", "ADV", "ADP", "CONJ", "DET", "NUM", "PRT", "X" ];

    for (var l=0; l<langs_with_pos.length; l++) {
        var lang = langs_with_pos[l];
        for (var t=0; t<universal_pos_tags.length; t++) {
        var tag = universal_pos_tags[t];
        var lang_tag_id = lang+"-"+tag+"-htrctoken-cb";
        var $lang_tag_cb = $('#'+lang_tag_id);
        if ($lang_tag_cb.is(':checked')) {
            var lang_tag_field = "xxxx"+lang+"_"+tag+"_htrctoken";
        fields.push(lang_tag_field+":"+q_text);
        }
        }
    }
    
    var arg_q = fields.join(" OR ");


    // Example search on one of the htrc-full-ef fields is: 
    //  q=xxxxen_NOUN_htrctoken:farming

    var args = { q: arg_q, indent: arg_indent, wt: arg_wt };

    $.ajax({
        type: 'GET',
        url: action,
        data: args,
        dataType: 'json',
        success: show_results,
        error: ajax_error
    });

    });

});