/*------------------------------
Copyright (c) 2025 PotatoDragon
Released under the MIT License.
https://opensource.org/license/mit
------------------------------*/

/*:
@target MZ
@url https://raw.githubusercontent.com/pota-gon/RPGMakerMZ/refs/heads/main/plugins/Scene/Menu/LeftMenu.js
@plugindesc Left Menu Ver1.0.3 (2022/9/10)
@author PotatoDragon
@license MIT License

@help
English Help Translator: munokura
This is an unofficial English translation of the plugin help,
created to support global RPG Maker users.
Feedback is welcome to improve translation quality
(see: https://github.com/munokura/PotatoDragon-MZ-plugins ).
Original plugin by PotatoDragon.
Please check the latest official version at:
https://github.com/pota-gon/RPGMakerMZ/wiki
-----

## Overview
Displays the menu on the left side.

## How to Use
No initial setup required.
Just install the plugin and it will work.

@param PageButtonPosition
@text Page switch button position
@desc Page switching button position
@type boolean
@on Left-justified
@off Right-justified
@default true
*/

/*:ja
@plugindesc
左メニュー Ver1.0.3(2022/9/10)

@url https://raw.githubusercontent.com/pota-gon/RPGMakerMZ/refs/heads/main/plugins/Scene/Menu/LeftMenu.js
@target MZ
@author ポテトードラゴン

・アップデート情報
Ver1.0.3: 他プラグイン導入時の convertBool が無条件で true を返すバグ修正

Copyright (c) 2025 ポテトードラゴン
Released under the MIT License.
https://opensource.org/license/mit

@help
## 概要
メニューを左側に表示します

## 使い方
初期設定は必要ありません  
プラグイン導入だけで動作します

@param PageButtonPosition
@type boolean
@text ページ切り替えボタン位置
@desc ページ切り替えボタンの位置
@on 左揃え
@off 右揃え
@default true
*/
(() => {
    'use strict';

    // ベースプラグインの処理
    function Potadra_getPluginName(extension = 'js') {
        const reg = new RegExp(".+\/(.+)\." + extension);
        return decodeURIComponent(document.currentScript.src).replace(reg, '$1');
    }
    function Potadra_convertBool(bool) {
        if (bool === "false" || bool === '' || bool === undefined) {
            return false;
        } else {
            return true;
        }
    }

    // パラメータ用変数
    const plugin_name = Potadra_getPluginName();
    const params      = PluginManager.parameters(plugin_name);

    // 各パラメータ用定数
    const PageButtonPosition = Potadra_convertBool(params.PageButtonPosition);

    /**
     * 右手持ちモード
     *
     * @returns {boolean} true: 右にメニューを配置、false: 左にメニューを配置
     */
    Scene_Base.prototype.isRightInputMode = function() {
        return false;
    };

    /**
     * キャンセルボタン作成
     */
    Scene_MenuBase.prototype.createCancelButton = function() {
        this._cancelButton = new Sprite_Button("cancel");
        this._cancelButton.x = 0;
        this._cancelButton.y = this.buttonY();
        this.addWindow(this._cancelButton);
    };

    /**
     * ページ切り替えボタン作成
     */
    Scene_MenuBase.prototype.createPageButtons = function() {
        this._pageupButton = new Sprite_Button("pageup");
        if (PageButtonPosition) {
            this._pageupButton.x = this._cancelButton.width + 4;
        } else {
            this._pageupButton.x = Graphics.boxWidth - this._cancelButton.width - 4;
        }
        this._pageupButton.y = this.buttonY();
        const pageupRight = this._pageupButton.x + this._pageupButton.width;
        this._pagedownButton = new Sprite_Button("pagedown");
        this._pagedownButton.x = pageupRight + 4;
        this._pagedownButton.y = this.buttonY();
        this.addWindow(this._pageupButton);
        this.addWindow(this._pagedownButton);
        this._pageupButton.setClickHandler(this.previousActor.bind(this));
        this._pagedownButton.setClickHandler(this.nextActor.bind(this));
    };
})();