function search_changed()

in redback/components/apidocs/assets/search_autocomplete.js [105:165]

• 57 lines of code
• 19 McCabe index (conditional complexity)

function search_changed(e, kd, toroot)
{
    var search = document.getElementById("search_autocomplete");
    var text = search.value.replace(/(^ +)|( +$)/g, '');

    // 13 = enter
    if (e.keyCode == 13) {
        document.getElementById("search_filtered_div").className = "no-display";
        if (kd && gSelectedIndex >= 0) {
            window.location = toroot + gMatches[gSelectedIndex].link;
            return false;
        } else if (gSelectedIndex < 0) {
            if (HAS_SEARCH_PAGE) {
                return true;
            } else {
                sync_selection_table(toroot);
                return false;
            }
        }
    }
    // 38 -- arrow up
    else if (kd && (e.keyCode == 38)) {
        if (gSelectedIndex >= 0) {
            gSelectedIndex--;
        }
        sync_selection_table(toroot);
        return false;
    }
    // 40 -- arrow down
    else if (kd && (e.keyCode == 40)) {
        if (gSelectedIndex < gMatches.length-1
                        && gSelectedIndex < ROW_COUNT-1) {
            gSelectedIndex++;
        }
        sync_selection_table(toroot);
        return false;
    }
    else if (!kd) {
        gMatches = new Array();
        matchedCount = 0;
        gSelectedIndex = -1;
        for (var i=0; i<DATA.length; i++) {
            var s = DATA[i];
            if (text.length != 0 &&
                  s.label.toLowerCase().indexOf(text.toLowerCase()) != -1) {
                gMatches[matchedCount] = s;
                matchedCount++;
            }
        }
        rank_autocomplete_results(text);
        for (var i=0; i<gMatches.length; i++) {
            var s = gMatches[i];
            if (gSelectedID == s.id) {
                gSelectedIndex = i;
            }
        }
        highlight_autocomplete_result_labels(text);
        sync_selection_table(toroot);
        return true; // allow the event to bubble up to the search api
    }
}