/* Copyright (c) 2010, Carl Burch. License information is located in the
* com.cburch.logisim.Main source code and at www.cburch.com/logisim/. */
package com.cburch.logisim.tools;
import java.awt.Cursor;
import java.awt.Color;
import java.awt.Graphics;
import java.awt.FontMetrics;
import java.awt.event.KeyEvent;
import java.awt.event.MouseEvent;
import javax.swing.Icon;
import com.cburch.logisim.circuit.Circuit;
import com.cburch.logisim.circuit.CircuitEvent;
import com.cburch.logisim.circuit.CircuitListener;
import com.cburch.logisim.circuit.RadixOption;
import com.cburch.logisim.circuit.Wire;
import com.cburch.logisim.circuit.WireSet;
import com.cburch.logisim.comp.Component;
import com.cburch.logisim.comp.ComponentDrawContext;
import com.cburch.logisim.comp.ComponentUserEvent;
import com.cburch.logisim.data.AttributeSet;
import com.cburch.logisim.data.Location;
import com.cburch.logisim.data.Value;
import com.cburch.logisim.gui.main.Canvas;
import com.cburch.logisim.prefs.AppPreferences;
import com.cburch.logisim.proj.Project;
import com.cburch.logisim.util.Icons;
import static com.cburch.logisim.util.LocaleString.*;
public class PokeTool extends Tool {
private static final Icon toolIcon = Icons.getIcon("poke.svg");
private static final Color caretColor = new Color(255, 255, 150);
private static class WireCaret extends AbstractCaret {
AttributeSet opts;
Canvas canvas;
Wire wire;
int x;
int y;
WireCaret(Canvas c, Wire w, int x, int y, AttributeSet opts) {
canvas = c;
wire = w;
this.x = x;
this.y = y;
this.opts = opts;
}
@Override
public void draw(Graphics g) {
Value v = canvas.getCircuitState().getValue(wire.getEnd0());
RadixOption radix1 = RadixOption.decode(AppPreferences.POKE_WIRE_RADIX1.get());
RadixOption radix2 = RadixOption.decode(AppPreferences.POKE_WIRE_RADIX2.get());
if (radix1 == null) {
radix1 = RadixOption.RADIX_2;
}
String vStr = radix1.toString(v);
if (radix2 != null && v.getWidth() > 1) {
vStr += " / " + radix2.toString(v);
}
FontMetrics fm = g.getFontMetrics();
g.setColor(caretColor);
g.fillRect(x + 2, y + 2, fm.stringWidth(vStr) + 4,
fm.getAscent() + fm.getDescent() + 4);
g.setColor(Color.BLACK);
g.drawRect(x + 2, y + 2, fm.stringWidth(vStr) + 4,
fm.getAscent() + fm.getDescent() + 4);
g.fillOval(x - 2, y - 2, 5, 5);
g.drawString(vStr, x + 4, y + 4 + fm.getAscent());
}
}
private class Listener implements CircuitListener {
@Override
public void circuitChanged(CircuitEvent event) {
Circuit circ = pokedCircuit;
if (event.getCircuit() == circ && circ != null
&& (event.getAction() == CircuitEvent.ACTION_REMOVE
|| event.getAction() == CircuitEvent.ACTION_CLEAR)
&& !circ.contains(pokedComponent)) {
removeCaret(false);
}
}
}
private static Cursor cursor
= Cursor.getPredefinedCursor(Cursor.HAND_CURSOR);
private Listener listener;
private Circuit pokedCircuit;
private Component pokedComponent;
private Caret pokeCaret;
public PokeTool() {
this.listener = new Listener();
}
@Override
public boolean equals(Object other) {
return other instanceof PokeTool;
}
@Override
public int hashCode() {
return PokeTool.class.hashCode();
}
@Override
public String getName() {
return "Poke Tool";
}
@Override
public String getDisplayName() {
return getFromLocale("pokeTool");
}
private void removeCaret(boolean normal) {
Circuit circ = pokedCircuit;
Caret caret = pokeCaret;
if (caret != null) {
if (normal) {
caret.stopEditing();
}
else {
caret.cancelEditing();
}
circ.removeCircuitListener(listener);
pokedCircuit = null;
pokedComponent = null;
pokeCaret = null;
}
}
private void setPokedComponent(Circuit circ, Component comp, Caret caret) {
removeCaret(true);
pokedCircuit = circ;
pokedComponent = comp;
pokeCaret = caret;
if (caret != null) {
circ.addCircuitListener(listener);
}
}
@Override
public String getDescription() {
return getFromLocale("pokeToolDesc");
}
@Override
public void draw(Canvas canvas, ComponentDrawContext context) {
if (pokeCaret != null) {
pokeCaret.draw(context.getGraphics());
}
}
@Override
public void deselect(Canvas canvas) {
removeCaret(true);
canvas.setHighlightedWires(WireSet.EMPTY);
}
@Override
public void mousePressed(Canvas canvas, Graphics g, MouseEvent e) {
int x = e.getX();
int y = e.getY();
Location loc = Location.create(x, y);
boolean dirty = false;
canvas.setHighlightedWires(WireSet.EMPTY);
if (pokeCaret != null && !pokeCaret.getBounds(g).contains(loc)) {
dirty = true;
removeCaret(true);
}
if (pokeCaret == null) {
ComponentUserEvent event = new ComponentUserEvent(canvas, x, y);
Circuit circ = canvas.getCircuit();
for (Component c : circ.getAllContaining(loc, g)) {
if (pokeCaret != null) {
break;
}
if (c instanceof Wire) {
Caret caret = new WireCaret(canvas, (Wire) c, x, y,
canvas.getProject().getOptions().getAttributeSet());
setPokedComponent(circ, c, caret);
canvas.setHighlightedWires(circ.getWireSet((Wire) c));
} else {
Pokable p = (Pokable) c.getFeature(Pokable.class);
if (p != null) {
Caret caret = p.getPokeCaret(event);
setPokedComponent(circ, c, caret);
AttributeSet attrs = c.getAttributeSet();
if (attrs != null && attrs.getAttributes().size() > 0) {
Project proj = canvas.getProject();
proj.getFrame().viewComponentAttributes(circ, c);
}
}
}
}
}
if (pokeCaret != null) {
dirty = true;
pokeCaret.mousePressed(e);
}
if (dirty) {
canvas.getProject().repaintCanvas();
}
}
@Override
public void mouseDragged(Canvas canvas, Graphics g, MouseEvent e) {
if (pokeCaret != null) {
pokeCaret.mouseDragged(e);
canvas.getProject().repaintCanvas();
}
}
@Override
public void mouseReleased(Canvas canvas, Graphics g, MouseEvent e) {
if (pokeCaret != null) {
pokeCaret.mouseReleased(e);
canvas.getProject().repaintCanvas();
}
}
@Override
public void keyTyped(Canvas canvas, KeyEvent e) {
if (pokeCaret != null) {
pokeCaret.keyTyped(e);
canvas.getProject().repaintCanvas();
}
}
@Override
public void keyPressed(Canvas canvas, KeyEvent e) {
if (pokeCaret != null) {
pokeCaret.keyPressed(e);
canvas.getProject().repaintCanvas();
}
}
@Override
public void keyReleased(Canvas canvas, KeyEvent e) {
if (pokeCaret != null) {
pokeCaret.keyReleased(e);
canvas.getProject().repaintCanvas();
}
}
@Override
public void paintIcon(ComponentDrawContext c, int x, int y) {
Graphics g = c.getGraphics();
if (toolIcon != null) {
toolIcon.paintIcon(c.getDestination(), g, x + 2, y + 2);
} else {
g.setColor(java.awt.Color.black);
g.drawLine(x + 4, y + 2, x + 4, y + 17);
g.drawLine(x + 4, y + 17, x + 1, y + 11);
g.drawLine(x + 4, y + 17, x + 7, y + 11);
g.drawLine(x + 15, y + 2, x + 15, y + 17);
g.drawLine(x + 15, y + 2, x + 12, y + 8);
g.drawLine(x + 15, y + 2, x + 18, y + 8);
}
}
@Override
public Cursor getCursor() { return cursor; }
}