engine/inventory_group.js

   1 /*
   2  * inventory_group.js
   3  *
   4  * Copyright 2020 Elias Fleckenstein <eliasfleckenstein@web.de>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  19  * MA 02110-1301, USA.
  20  *
  21  *
  22  */
  23
  24 dragonblocks.InventoryGroup = class
  25 {
  26         constructor()
  27         {
  28                 this.elements = [];
  29                 this.opened = false;
  30
  31                 this.display = dragonblocks.addInventoryMenuDisplay(document.createElement("div"));
  32                 this.display.style.position = "fixed";
  33                 this.display.style.backgroundColor = "#535353";
  34                 this.display.style.visibility = "hidden";
  35         }
  36
  37         close()
  38         {
  39                 this.opened = false;
  40
  41                 this.display.style.visibility = "hidden";
  42                 dragonblocks.outStack.display.style.visibility = "hidden";
  43
  44                 this.onNextClose = this.onNextClose && this.onNextClose();
  45         }
  46
  47         open()
  48         {
  49                 this.opened = true;
  50
  51                 this.display.style.visibility = "inherit";
  52                 dragonblocks.outStack.display.style.visibility = "visible";
  53
  54                 this.update();
  55         }
  56
  57         toggle()
  58         {
  59                 this.opened ? this.close() : this.open();
  60         }
  61
  62         update()
  63         {
  64                 let height = 0;
  65                 let width = 0;
  66
  67                 for (let element of this.elements) {
  68                         element.draw(this.display, 0, height);
  69                         height += element.calculateHeight();
  70                         width = Math.max(width, element.calculateWidth());
  71                 }
  72
  73                 this.display.style.width = width + "px";
  74                 this.display.style.height = height + "px";
  75
  76                 dblib.center(this.display);
  77                 dblib.centerVertical(this.display);
  78         }
  79
  80         setElements(elements)
  81         {
  82                 for (let element of this.elements)
  83                         element.remove();
  84
  85                 this.elements = elements;
  86
  87                 this.update();
  88         }
  89 };