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