spniSelect.js

    else {
        $individualSelectTable.show();
    }
}

/************************************************************
 * Hides the table on the single selection screen.
 ************************************************************/
function hideGroupSelectionTable() {
    groupSelectHidden = !groupSelectHidden;
    if (groupSelectHidden) {
        $groupSelectTable.hide();
    }
    else {
        $groupSelectTable.show();
    }
}



function openSearchModal() {
    $searchModal.modal('show');
}


function closeSearchModal() {
    // perform the search and sort logic
    updateSelectableOpponents();
    
    // update
    updateIndividualSelectScreen();
    updateIndividualCountStats();
}

function changeSearchGender(gender) {
    chosenGender = gender;
    setActiveOption($searchGenderOptions, gender);
}

/************************************************************
 * Sorting Functions
 ************************************************************/

/** 
 * Callback for Arrays.sort to sort an array of objects by the given field.
 * Prefixing "-" to a field will cause the sort to be done in reverse.
 * Examples:
 *   // sorts myArr by each element's first name (A-Z)
 *   myArr.sort(sortOpponentsByField("first")); 
 *   // sorts myArr by each element's last name (Z-A)
 *   myArr.sort(sortOpponentsByField("-last")); 
 */
function sortOpponentsByField(field) {
    // check for prefix
    var order = 1; // 1 = forward, -1 = reversed
    if (field[0] === "-") { 
        order = -1;
        field = field.substr(1);
    }
    
    return function(opp1, opp2) {
        var compare = 0;
        if (opp1[field] < opp2[field]) {
            compare = -1;
        }
        else if (opp1[field] > opp2[field]) {
            compare = 1;
        }
        return order * compare;
    }
}

/**
 * Callback for Arrays.sort to sort an array of objects over multiple given fields.
 * Prefixing "-" to a field will cause the sort to be done in reverse.
 * This should allow more flexibility in the sorting order.
 * Example:
 *   // sorts myArr by each element's number of layers (low to high), 
 *   // and for elements whose layers are equivalent, sort them by first name (Z-A)
 *   myArr.sort(sortOpponentsByMultipleFields("layers", "-first")); 
 */
function sortOpponentsByMultipleFields() {
    var fields = arguments; // retrieve the args passed in
    return function(opp1, opp2) {
        var i = 0;
        var compare = 0;
        // if both elements have the same field, check the next ones
        while (compare === 0 && i < fields.length) {
            compare = sortOpponentsByField(fields[i])(opp1, opp2);
            i++;
        }
        return compare;
    }
}

/** Event handler for the sort dropdown options. Fires when user clicks on a dropdown item. */
$sortingOptionsItems.on("click", function(e) {
    sortingMode = $(this).find('a').html();
    $("#sort-dropdown-selection").html(sortingMode); // change the dropdown text to the selected option
});

/************************************************************
 * Word wrapping Functions
 ************************************************************/

/**
 * Inserts a fixed-size HTML element with the specified text to allow the content 
 * to be either word-wrapped (if the text is long and spaces are present) 
 * or word-broken (if text is long and no spaces are present).
 */
function wordWrapHtml(text) {
    text = text || "&nbsp;";
    return "<table class=\"wrap-text\"><tr><td>" + text + "</td></tr></table>";
}

/************************************************************
 * Dynamic dialogue and image counting functions
 ************************************************************/

/** Event handler for the individual selection screen credits button. */
$individualCreditsButton.on('click', function(e) {
    updateIndividualCountStats()
});

/** Event handler for the group selection screen credits button. */
$groupCreditsButton.on('click', function(e) {
    updateGroupCountStats();
});

/**
 * Loads and displays the number of unique dialogue lines and the number of pose images 
 * into the character's player object for those currently on the selection screen.
 * Only loads if the unique line count or image count is not known.
 */
function updateOpponentCountStats(opponentArr, uiElements) {
    opponentArr.forEach(function(opp, idx) {
        // load behaviour file if line/image count is not known
        if (opp && (opp.uniqueLineCount === undefined || opp.posesImageCount === undefined)) {
            uiElements.countBoxes[idx].css("visibility", "visible");
                        
            // retrieve line and image counts
            if (DEBUG) { 
                console.log("[LineImageCount] Fetching counts for " + opp.label + " in slot " + idx); 
            }
            var countsPromise = Promise.resolve(fetchBehaviour(opp.folder));
            countsPromise.then(countLinesImages).then(function(response) {
                opp.uniqueLineCount = response.numUniqueLines;
                opp.posesImageCount = response.numPoses;
                
                // show line and image counts
                if (DEBUG) { 
                    console.log("[LineImageCount] Loaded " + opp.label + " from behaviour: " + 
                      opp.uniqueLineCount + " lines, " + opp.posesImageCount + " images"); 
                }
                uiElements.lineLabels[idx].html(opp.uniqueLineCount);
                uiElements.poseLabels[idx].html(opp.posesImageCount);
            });
        }
        else {
            // this character's counts were previously loaded
            if (opp) {
                if (DEBUG) { 
                    console.log("[LineImageCount] Loaded previous count for " + opp.label + ": " + 
                      opp.uniqueLineCount + " lines, " + opp.posesImageCount + " images)"); 
                }
                uiElements.countBoxes[idx].css("visibility", "visible");
                uiElements.lineLabels[idx].html(opp.uniqueLineCount);
                uiElements.poseLabels[idx].html(opp.posesImageCount);
            }
            else {
                // there is no character in the slot
                uiElements.countBoxes[idx].css("visibility", "hidden");
                uiElements.lineLabels[idx].html("");
                uiElements.poseLabels[idx].html("");
            }
        }
    });
}

/** Dialogue/image count update function for the individual selection screen. */
function updateIndividualCountStats() {
    if (individualCreditsShown) {
        var individualUIElements = {
            countBoxes : $individualCountBoxes,
            lineLabels : $individualLineCountLabels,
            poseLabels : $individualPoseCountLabels
        };
        updateOpponentCountStats(shownIndividuals, individualUIElements);
    }
}

/** Dialogue/image count update function for the group selection screen. */
function updateGroupCountStats() {
    if (groupCreditsShown) {
        var groupUIElements = {
            countBoxes : $groupCountBoxes,
            lineLabels : $groupLineCountLabels,
            poseLabels : $groupPoseCountLabels
        };
        updateOpponentCountStats(shownGroup, groupUIElements);
    }
}

/**
 * Fetches the behaviour.xml file of the specified opponent directory.
 */
function fetchBehaviour(path) {
    return $.ajax({
        type: "GET",
        url: path + "behaviour.xml",
        dataType: "text"
    });
}

/**
 * Callback to parse the number of lines of dialogue and number of images
 * given a character's behaviour XML. Returns the counts as an object with 
 * properties numTotalLines, numUniqueLines, and numPoses.
 */
function countLinesImages(xml) {
    // parse all lines of dialogue and all images
    var lines = [];
    var poses = [];
    $(xml).find('state').each(function(idx, data) {
        lines.push(data.textContent.trim());
        poses.push(data.getAttribute("img")); 
    });
    
    // count only unique lines of dialogue
    var numUniqueDialogueLines = lines.filter(function(data, idx) {
        return idx == lines.lastIndexOf(data);
    }).length;
    
    // count unique number of poses used in dialogue
    // note that this number may differ from actual image count if some images
    // are never used, or if images that don't exist are used in the dialogue
    var numUniqueUsedPoses = poses.filter(function(data, idx) {
        return idx == poses.lastIndexOf(data);
    }).length;
    
    return {
        numTotalLines : lines.length,
        numUniqueLines : numUniqueDialogueLines,
        numPoses : numUniqueUsedPoses
    };
}