WireElm.java

/*    
    Copyright (C) Paul Falstad and Iain Sharp
    
    This file is part of CircuitJS1.

    CircuitJS1 is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 2 of the License, or
    (at your option) any later version.

    CircuitJS1 is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with CircuitJS1.  If not, see <http://www.gnu.org/licenses/>.
*/

package com.lushprojects.circuitjs1.client;

//import java.awt.*;
//import java.util.StringTokenizer;

    class WireElm extends CircuitElm {
	boolean hasWireInfo; // used in CirSim to calculate wire currents
	
	public WireElm(int xx, int yy) { super(xx, yy); }
	public WireElm(int xa, int ya, int xb, int yb, int f,
		       StringTokenizer st) {
	    super(xa, ya, xb, yb, f);
	}
	static final int FLAG_SHOWCURRENT = 1;
	static final int FLAG_SHOWVOLTAGE = 2;
	void draw(Graphics g) {
	    setVoltageColor(g, volts[0]);
	    drawThickLine(g, point1, point2);
	    doDots(g);
	    setBbox(point1, point2, 3);
	    String s = "";
	    if (mustShowCurrent()) {
	        s = getShortUnitText(Math.abs(getCurrent()), "A");
	    } 
	    if (mustShowVoltage()) {
	        s = (s.length() > 0 ? s + " " : "") + getShortUnitText(volts[0], "V");
	    }
	    drawValues(g, s, 4);
	    drawPosts(g);
	}
	void stamp() {
//	    sim.stampVoltageSource(nodes[0], nodes[1], voltSource, 0);
	}
	boolean mustShowCurrent() {
	    return (flags & FLAG_SHOWCURRENT) != 0;
	}
	boolean mustShowVoltage() {
	    return (flags & FLAG_SHOWVOLTAGE) != 0;
	}
//	int getVoltageSourceCount() { return 1; }
	void getInfo(String arr[]) {
	    arr[0] = "wire";
	    arr[1] = "I = " + getCurrentDText(getCurrent());
	    arr[2] = "V = " + getVoltageText(volts[0]);
	}
	int getDumpType() { return 'w'; }
	double getPower() { return 0; }
	double getVoltageDiff() { return volts[0]; }
	boolean isWire() { return true; }
	public EditInfo getEditInfo(int n) {
	    if (n == 0) {
		EditInfo ei = new EditInfo("", 0, -1, -1);
		ei.checkbox = new Checkbox("Show Current", mustShowCurrent());
		return ei;
	    }
	    if (n == 1) {
		EditInfo ei = new EditInfo("", 0, -1, -1);
		ei.checkbox = new Checkbox("Show Voltage", mustShowVoltage());
		return ei;
	    }
	    return null;
	}
	public void setEditValue(int n, EditInfo ei) {
	    if (n == 0) {
		if (ei.checkbox.getState())
		    flags |= FLAG_SHOWCURRENT;
		else
		    flags &= ~FLAG_SHOWCURRENT;
	    }
	    if (n == 1) {
		if (ei.checkbox.getState())
		    flags |= FLAG_SHOWVOLTAGE;
		else
		    flags &= ~FLAG_SHOWVOLTAGE;
	    }
	}
        int getShortcut() { return 'w'; }
    }