Source: Window_BattleItem.js

Window_BattleItem.js

//-----------------------------------------------------------------------------
// Window_BattleItem
//
// The window for selecting an item to use on the battle screen.
/**
 * The window for selecting an item to use on the battle screen.
 *
 * @class
 * @extends Window_ItemList
 */
function Window_BattleItem() {
    this.initialize(...arguments);
}

Window_BattleItem.prototype = Object.create(Window_ItemList.prototype);
Window_BattleItem.prototype.constructor = Window_BattleItem;

Window_BattleItem.prototype.initialize = function(rect) {
    Window_ItemList.prototype.initialize.call(this, rect);
    this.hide();
};

/**
 * Check if an item should be included in the list
 *
 * @param {Object} The item object to check for inclusion
 * @return {boolean} True if the party can use the item
 */
Window_BattleItem.prototype.includes = function(item) {
    return $gameParty.canUse(item);
};

Window_BattleItem.prototype.show = function() {
    this.selectLast();
    this.showHelpWindow();
    Window_ItemList.prototype.show.call(this);
};

Window_BattleItem.prototype.hide = function() {
    this.hideHelpWindow();
    Window_ItemList.prototype.hide.call(this);
};