a2875c6a0b54859336d86a2f24ad03fe0350013c
[Mograsim.git] / LogicUI / src / net / mograsim / logic / ui / model / components / SimpleRectangularGUIGate.java
1 package net.mograsim.logic.ui.model.components;
2
3 import java.util.ArrayList;
4 import java.util.Collections;
5 import java.util.List;
6
7 import net.mograsim.logic.ui.model.ViewModel;
8 import net.mograsim.logic.ui.model.wires.MovablePin;
9 import net.mograsim.logic.ui.model.wires.Pin;
10 import net.haspamelodica.swt.helper.gcs.GeneralGC;
11 import net.haspamelodica.swt.helper.swtobjectwrappers.Font;
12 import net.haspamelodica.swt.helper.swtobjectwrappers.Point;
13 import net.haspamelodica.swt.helper.swtobjectwrappers.Rectangle;
14
15 public class SimpleRectangularGUIGate extends GUIComponent
16 {
17         private static final double width = 20;
18         private static final double pinDistance = 10;
19         private static final double fontHeight = 5;
20         private static final double invertedCircleDiam = 3.5;
21
22         private final String label;
23         protected final int logicWidth;
24         private final boolean isInverted;
25         private final double rectWidth;
26
27         private MovablePin outputPin;
28         private final List<Pin> inputPins;
29         private final List<Pin> inputPinsUnmodifiable;
30
31         protected SimpleRectangularGUIGate(ViewModel model, int logicWidth, String label, boolean isInverted)
32         {
33                 super(model);
34                 this.label = label;
35                 this.logicWidth = logicWidth;
36                 this.isInverted = isInverted;
37                 this.rectWidth = width - (isInverted ? invertedCircleDiam : 0);
38                 this.outputPin = new MovablePin(this, logicWidth, width, 0);
39                 addPin(outputPin);
40                 this.inputPins = new ArrayList<>();
41                 this.inputPinsUnmodifiable = Collections.unmodifiableList(inputPins);
42                 setInputCount(1);
43         }
44
45         protected void setInputCount(int inputCount)
46         {
47                 int oldInputCount = inputPins.size();
48                 setSize(width, inputCount * pinDistance);
49                 if (oldInputCount > inputCount)
50                         while (inputPins.size() > inputCount)
51                                 removePin(inputPins.get(inputCount));
52                 else if (oldInputCount < inputCount)
53                         for (int i = oldInputCount; i < inputCount; i++)
54                         {
55                                 Pin pin = new Pin(this, logicWidth, 0, pinDistance / 2 + i * pinDistance);
56                                 inputPins.add(pin);
57                                 addPin(pin);
58                         }
59                 outputPin.setRelPos(width, inputCount * pinDistance / 2);
60         }
61
62         public Pin getOutputPin()
63         {
64                 return outputPin;
65         }
66
67         public List<Pin> getInputPins()
68         {
69                 return inputPinsUnmodifiable;
70         }
71
72         @Override
73         public void render(GeneralGC gc, Rectangle visibleRegion)
74         {
75                 double posX = getBounds().x;
76                 double posY = getBounds().y;
77
78                 double height = inputPins.size() * pinDistance;
79                 gc.drawRectangle(posX, posY, rectWidth, height);
80                 Font oldFont = gc.getFont();
81                 Font labelFont = new Font(oldFont.getName(), fontHeight, oldFont.getStyle());
82                 gc.setFont(labelFont);
83                 Point textExtent = gc.textExtent(label);
84                 gc.drawText(label, posX + (rectWidth - textExtent.x) / 2, posY + (height - textExtent.y) / 2, true);
85                 gc.setFont(oldFont);
86                 if (isInverted)
87                         gc.drawOval(posX + rectWidth, posY + (height - invertedCircleDiam) / 2, invertedCircleDiam, invertedCircleDiam);
88         }
89 }