net.mograsim.logic.model.editor/src/net/mograsim/logic/model/editor/states/CreateWireState.java

   1 package net.mograsim.logic.model.editor.states;
   2
   3 import org.eclipse.swt.SWT;
   4 import org.eclipse.swt.widgets.Display;
   5 import org.eclipse.swt.widgets.Shell;
   6
   7 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
   8 import net.haspamelodica.swt.helper.zoomablecanvas.ZoomableCanvas.ZoomedRenderer;
   9 import net.mograsim.logic.model.editor.Editor;
  10 import net.mograsim.logic.model.editor.handles.PinHandle;
  11 import net.mograsim.logic.model.editor.handles.Handle.HandleClickInfo;
  12
  13 public class CreateWireState extends EditorState
  14 {
  15         private final PinHandle origin;
  16         private double mX, mY;
  17         private ZoomedRenderer drawLine;
  18
  19         public CreateWireState(Editor session, StateManager manager, PinHandle origin)
  20         {
  21                 super(session, manager);
  22                 this.origin = origin;
  23                 mX = origin.getCenterX();
  24                 mY = origin.getCenterY();
  25         }
  26
  27         @Override
  28         public void mouseMoved(double x, double y)
  29         {
  30                 this.mX = x;
  31                 this.mY = y;
  32                 editor.gui.logicCanvas.redraw();
  33         }
  34
  35         @Override
  36         public void onEntry()
  37         {
  38                 editor.getSelection().clear();
  39                 drawLine = gc ->
  40                 {
  41                         gc.setLineWidth(1);
  42                         gc.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_GREEN));
  43                         gc.drawLine((int) origin.getCenterX(), (int) origin.getCenterY(), (int) mX, (int) mY);
  44                 };
  45                 editor.gui.logicCanvas.addZoomedRenderer(drawLine);
  46                 editor.gui.logicCanvas.redraw();
  47         }
  48
  49         @Override
  50         public void onExit()
  51         {
  52                 editor.gui.logicCanvas.removeZoomedRenderer(drawLine);
  53                 editor.gui.logicCanvas.redraw();
  54         }
  55
  56         @Override
  57         public boolean clickedHandle(HandleClickInfo handleClickInfo)
  58         {
  59                 switch (handleClickInfo.clicked.getType())
  60                 {
  61                 case INTERFACE_PIN:
  62                 case STATIC_PIN:
  63                         try
  64                         {
  65                                 editor.addWire(origin, (PinHandle) handleClickInfo.clicked);
  66                         }
  67                         catch (IllegalArgumentException e)
  68                         {
  69                                 Shell tmp = new Shell(Display.getCurrent());
  70                                 editor.dialogManager.openWarningDialog("Warning!", e.getMessage());
  71                                 tmp.dispose();
  72                         }
  73                         break;
  74                 default:
  75                         return false;
  76                 }
  77                 return true;
  78         }
  79
  80         @Override
  81         public void clicked(Point clicked, int stateMask)
  82         {
  83                 manager.setState(new SelectionState(editor, manager));
  84         }
  85 }