menuItems.js

/* Panel Indicators GNOME Shell extension
 *
 * Copyright (C) 2019 Leandro Vital <leavitals@gmail.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
const GObject = imports.gi.GObject;

var MenuItems = GObject.registerClass({
    GTypeName: "MenuItems",
},
class MenuItems extends GObject.Object {
    _init (settings) {
	super._init();
        this.settings = settings;
    }

    getItems() {
        let itemsString = this.settings.get_string("items");
        return this.itemsToArray(itemsString);
    }

    itemsToArray(itemsString) {
        let items = itemsString.split("|");
        let itemsArray = new Array();
        for (let indexItem in items) {
            let itemDatas = items[indexItem].split(";");
            let item = {
                "label": itemDatas[0],
                "enable": (itemDatas[1] == "1"),
                "position": (itemDatas[2] == "1"),
                "shortcut": itemDatas[3]
            };
            itemsArray.push(item);
        }
        return itemsArray;
    }

    changeOrder(index, posRel) {
        let items = this.getItems();
        if ((posRel < 0 && index > 0) || (posRel > 0 && index < (items.length - 1))) {
            let temp = items[index];
            items.splice(index, 1);
            items.splice(parseInt(index) + posRel, 0, temp);
            this.setItems(items);
            return true;
        }
        return false;
    }

    changeEnable(index, value) {
        let items = this.getItems();
        if (index < 0 && index >= items.length) {
            return false;
        }
        items[index]["enable"] = value;
        this.setItems(items);
        return true;
    }

    changePosition(index, value) {
        let items = this.getItems();
        if (index < 0 && index >= items.length) {
            return false;
        }
        items[index]["position"] = value;
        this.setItems(items);
        return true;
    }

    setItems(items) {
        let itemsString = this.itemsToString(items);
        this.settings.set_string("items", itemsString);
    }

    itemsToString(itemsArray) {
        let items = new Array()
        for (let indexItem in itemsArray) {
            let itemDatasArray = itemsArray[indexItem];
            let itemDatasString = itemDatasArray["label"] + ";" + (itemDatasArray["enable"] ? "1" : "0") + ";" + (itemDatasArray["position"] ? "1" : "0") + ";" + itemDatasArray["shortcut"];
            items.push(itemDatasString);
        }
        return items.join("|");
    }

    getEnableItems() {
        let items = this.getItems();
        let indexItem;
        let itemsEnable = new Array();
        for (indexItem in items) {
            let item = items[indexItem];
            if (item["enable"]) {
                itemsEnable.push(item["shortcut"]);
            }
        }
        return itemsEnable;
    }

    getCenterItems() {
        let items = this.getItems();
        let indexItem;
        let itemsEnable = new Array();
        for (indexItem in items) {
            let item = items[indexItem];
            if (item["enable"] && item["position"]) {
                itemsEnable.push(item["shortcut"]);
            }
        }
        return itemsEnable;
    }
});