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

   1 /*
   2  * Sixth 3D engine. Author: Svjatoslav Agejenko.
   3  * This project is released under Creative Commons Zero (CC0) license.
   4  *
   5 *
   6  */
   7
   8 package eu.svjatoslav.sixth.e3d.gui;
   9
  10 import eu.svjatoslav.sixth.e3d.geometry.Box;
  11 import eu.svjatoslav.sixth.e3d.geometry.Point3D;
  12 import eu.svjatoslav.sixth.e3d.gui.humaninput.MouseInteractionController;
  13 import eu.svjatoslav.sixth.e3d.gui.humaninput.UserInputHandler;
  14 import eu.svjatoslav.sixth.e3d.gui.textEditorComponent.KeyboardHelper;
  15 import eu.svjatoslav.sixth.e3d.math.Transform;
  16 import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.basic.line.LineAppearance;
  17 import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.composite.base.AbstractCompositeShape;
  18 import eu.svjatoslav.sixth.e3d.renderer.raster.shapes.composite.wireframe.WireframeBox;
  19
  20 import java.awt.event.KeyEvent;
  21
  22 public class GuiComponent extends AbstractCompositeShape implements
  23         UserInputHandler, MouseInteractionController {
  24
  25     private static final String GROUP_GUI_FOCUS = "gui.focus";
  26     public final ViewPanel viewPanel;
  27     Box containingBox = new Box();
  28     private WireframeBox borders = null;
  29
  30     private boolean borderShown = false;
  31
  32     public GuiComponent(final Transform transform,
  33                         final ViewPanel viewPanel, final Point3D size) {
  34         super(transform);
  35         this.viewPanel = viewPanel;
  36         setDimensions(size);
  37     }
  38
  39     @Override
  40     public boolean beforeRender(final ViewPanel viewPanel,
  41                                 final int millisecondsSinceLastFrame) {
  42         return false;
  43     }
  44
  45     private WireframeBox createBorder() {
  46         final LineAppearance appearance = new LineAppearance(10,
  47                 new eu.svjatoslav.sixth.e3d.renderer.raster.Color(255, 0, 0, 100));
  48
  49         final double borderSize = 10;
  50
  51         final Box borderArea = containingBox.clone().addBorder(borderSize);
  52
  53         return new WireframeBox(borderArea, appearance);
  54     }
  55
  56     @Override
  57     public boolean focusLost(final ViewPanel viewPanel) {
  58         hideBorder();
  59         return true;
  60     }
  61
  62     @Override
  63     public boolean focusReceived(final ViewPanel viewPanel) {
  64         showBorder();
  65         return true;
  66     }
  67
  68     public WireframeBox getBorders() {
  69         if (borders == null)
  70             borders = createBorder();
  71         return borders;
  72     }
  73
  74     public int getDepth() {
  75         return (int) containingBox.getDepth();
  76     }
  77
  78     public int getHeight() {
  79         return (int) containingBox.getHeight();
  80     }
  81
  82     public int getWidth() {
  83         return (int) containingBox.getWidth();
  84     }
  85
  86     public void hideBorder() {
  87         if (!borderShown)
  88             return;
  89         borderShown = false;
  90         removeGroup(GROUP_GUI_FOCUS);
  91     }
  92
  93     @Override
  94     public boolean keyPressed(final KeyEvent event, final ViewPanel viewPanel) {
  95         if (event.getKeyChar() == KeyboardHelper.ESC)
  96             viewPanel.getKeyboardFocusStack().popFocusOwner();
  97         return true;
  98     }
  99
 100     @Override
 101     public boolean keyReleased(final KeyEvent event, final ViewPanel viewPanel) {
 102         return false;
 103     }
 104
 105     @Override
 106     public boolean mouseClicked() {
 107         return viewPanel.getKeyboardFocusStack().pushFocusOwner(this);
 108     }
 109
 110     @Override
 111     public boolean mouseEntered() {
 112         return false;
 113     }
 114
 115     @Override
 116     public boolean mouseExited() {
 117         return false;
 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 }