engine/inventory_container.js

   1 /*
   2  * inventory_container.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.InventoryContainer = class extends EventTarget
  25 {
  26         constructor(def)
  27         {
  28                 super();
  29                 dblib.copySimple(this, def);
  30         }
  31
  32         draw(parent, x, y)
  33         {
  34                 if (! this.display)
  35                         this.initGraphics();
  36
  37                 if (this.display.parentElement != parent)
  38                         this.display = parent.appendChild(this.display);
  39
  40                 this.display.style.left = x + "px";
  41                 this.display.style.top = y + "px";
  42
  43                 this.inventory.draw(this.display, dragonblocks.settings.inventory.scale * 1.1 * this.left, dragonblocks.settings.inventory.scale * 1.1 * this.top);
  44         }
  45
  46         remove()
  47         {
  48                 this.display.remove();
  49         }
  50
  51         calculateWidth()
  52         {
  53                 return this.inventory.calculateWidth() + dragonblocks.settings.inventory.scale * 1.1 * (this.left + this.right);
  54         }
  55
  56         calculateHeight()
  57         {
  58                 return this.inventory.calculateHeight() + dragonblocks.settings.inventory.scale * 1.1 * (this.top + this.bottom);
  59         }
  60
  61         initGraphics()
  62         {
  63                 this.display = document.createElement("div");
  64                 this.display.style.width = this.calculateWidth() + "px";
  65                 this.display.style.height = this.calculateHeight() + "px";
  66         }
  67 };