src/main/java/eu/svjatoslav/sixth/e3d/gui/GuiComponent.java

   1 /*
   2  * Sixth 3D engine. Copyright ©2012-2018, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of version 3 of the GNU Lesser General Public License
   6  * or later as published by the Free Software Foundation.
   7  *
   8  */
   9
  10 package eu.svjatoslav.sixth.e3d.gui;
  11
  12 import eu.svjatoslav.sixth.e3d.geometry.Box;
  13 import eu.svjatoslav.sixth.e3d.geometry.Point3D;
  14 import eu.svjatoslav.sixth.e3d.gui.humaninput.MouseInteractionController;
  15 import eu.svjatoslav.sixth.e3d.gui.humaninput.UserInputHandler;
  16 import eu.svjatoslav.sixth.e3d.gui.textEditorComponent.KeyboardHelper;
  17 import eu.svjatoslav.sixth.e3d.math.Transform;
  18 import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.basic.line.LineAppearance;
  19 import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.composite.base.AbstractCompositeShape;
  20 import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.composite.wireframe.WireframeBox;
  21
  22 import java.awt.event.KeyEvent;
  23
  24 public class GuiComponent extends AbstractCompositeShape implements
  25         UserInputHandler, MouseInteractionController {
  26
  27     private static final String GROUP_GUI_FOCUS = "gui.focus";
  28     public final ViewPanel viewPanel;
  29     Box containingBox = new Box();
  30     private WireframeBox borders = null;
  31
  32     private boolean borderShown = false;
  33
  34     public GuiComponent(final Transform transform,
  35                         final ViewPanel viewPanel, final Point3D size) {
  36         super(transform);
  37         this.viewPanel = viewPanel;
  38         setDimensions(size);
  39     }
  40
  41     @Override
  42     public boolean beforeRender(final ViewPanel viewPanel,
  43                                 final int millisecondsSinceLastFrame) {
  44         return false;
  45     }
  46
  47     private WireframeBox createBorder() {
  48         final LineAppearance appearance = new LineAppearance(10,
  49                 new eu.svjatoslav.sixth.e3d.renderer.raster.Color(255, 0, 0, 100));
  50
  51         final double borderSize = 10;
  52
  53         final Box borderArea = containingBox.clone().addBorder(borderSize);
  54
  55         return new WireframeBox(borderArea, appearance);
  56     }
  57
  58     @Override
  59     public boolean focusLost(final ViewPanel viewPanel) {
  60         hideBorder();
  61         return true;
  62     }
  63
  64     @Override
  65     public boolean focusReceived(final ViewPanel viewPanel) {
  66         showBorder();
  67         return true;
  68     }
  69
  70     public WireframeBox getBorders() {
  71         if (borders == null)
  72             borders = createBorder();
  73         return borders;
  74     }
  75
  76     public int getDepth() {
  77         return (int) containingBox.getDepth();
  78     }
  79
  80     public int getHeight() {
  81         return (int) containingBox.getHeight();
  82     }
  83
  84     public int getWidth() {
  85         return (int) containingBox.getWidth();
  86     }
  87
  88     public void hideBorder() {
  89         if (!borderShown)
  90             return;
  91         borderShown = false;
  92         removeGroup(GROUP_GUI_FOCUS);
  93     }
  94
  95     @Override
  96     public boolean keyPressed(final KeyEvent event, final ViewPanel viewPanel) {
  97         if (event.getKeyChar() == KeyboardHelper.ESC)
  98             viewPanel.getKeyboardFocusStack().popFocusOwner();
  99         return true;
 100     }
 101
 102     @Override
 103     public boolean keyReleased(final KeyEvent event, final ViewPanel viewPanel) {
 104         return false;
 105     }
 106
 107     @Override
 108     public void mouseClicked() {
 109         viewPanel.getKeyboardFocusStack().pushFocusOwner(this);
 110     }
 111
 112     @Override
 113     public void mouseEntered() {
 114     }
 115
 116     @Override
 117     public void mouseExited() {
 118     }
 119
 120     private void setDimensions(final Point3D size) {
 121         containingBox.setSizeCentered(size);
 122     }
 123
 124     private void showBorder() {
 125         if (borderShown)
 126             return;
 127         borderShown = true;
 128         addShape(getBorders(), GROUP_GUI_FOCUS);
 129     }
 130
 131 }