LogicInputElm.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 LogicInputElm extends SwitchElm {
	final int FLAG_TERNARY = 1;
	final int FLAG_NUMERIC = 2;
	double hiV, loV;
	public LogicInputElm(int xx, int yy) {
	    super(xx, yy, false);
	    numHandles=1;
	    hiV = 5;
	    loV = 0;
	    
	}
	public LogicInputElm(int xa, int ya, int xb, int yb, int f,
			     StringTokenizer st) {
	    super(xa, ya, xb, yb, f, st);
	    numHandles=1;
	    try {
		hiV = new Double(st.nextToken()).doubleValue();
		loV = new Double(st.nextToken()).doubleValue();
	    } catch (Exception e) {
		hiV = 5;
		loV = 0;
	    }
	    if (isTernary())
		posCount = 3;
	}
	boolean isTernary() { return (flags & FLAG_TERNARY) != 0; }
	boolean isNumeric() { return (flags & (FLAG_TERNARY|FLAG_NUMERIC)) != 0; }
	int getDumpType() { return 'L'; }
	String dump() {
	    return super.dump() + " " + hiV + " " + loV;
	}
	int getPostCount() { return 1; }
	void setPoints() {
	    super.setPoints();
	    lead1 = interpPoint(point1, point2, 1-12/dn);
	}
	void draw(Graphics g) {
		Font oldf=g.getFont();
	    Font f = new Font("SansSerif", Font.BOLD, 20);
	    g.setFont(f);
	    g.setColor(needsHighlight() ? selectColor : whiteColor);
	    String s = position == 0 ? "L" : "H";
	    if (isNumeric())
		s = "" + position;
	    setBbox(point1, lead1, 0);
	    drawCenteredText(g, s, x2, y2, true);
	    setVoltageColor(g, volts[0]);
	    drawThickLine(g, point1, lead1);
	    updateDotCount();
	    drawDots(g, point1, lead1, curcount);
	    drawPosts(g);
	    g.setFont(oldf);
	}
	
	Rectangle getSwitchRect() {
	    return new Rectangle(x2-10, y2-10, 20, 20);
	}	

	void setCurrent(int vs, double c) { current = -c; }
	void stamp() {
	    double v = (position == 0) ? loV : hiV;
	    if (isTernary())
		v = position * 2.5;
	    sim.stampVoltageSource(0, nodes[0], voltSource, v);
	}
	int getVoltageSourceCount() { return 1; }
	double getVoltageDiff() { return volts[0]; }
	void getInfo(String arr[]) {
	    arr[0] = "logic input";
	    arr[1] = (position == 0) ? "low" : "high";
	    if (isNumeric())
		arr[1] = "" + position;
	    arr[1] += " (" + getVoltageText(volts[0]) + ")";
	    arr[2] = "I = " + getCurrentText(getCurrent());
	}
	boolean hasGroundConnection(int n1) { return true; }
	public EditInfo getEditInfo(int n) {
	    if (n == 0) {
		EditInfo ei = new EditInfo("", 0, 0, 0);
		ei.checkbox = new Checkbox("Momentary Switch", momentary);
		return ei;
	    }
	    if (n == 1)
		return new EditInfo("High Voltage", hiV, 10, -10);
	    if (n == 2)
		return new EditInfo("Low Voltage", loV, 10, -10);
	    return null;
	}
	public void setEditValue(int n, EditInfo ei) {
	    if (n == 0)
		momentary = ei.checkbox.getState();
	    if (n == 1)
		hiV = ei.value;
	    if (n == 2)
		loV = ei.value;
	}
	int getShortcut() { return 'i'; }
	
	double getCurrentIntoPoint(int xa, int ya) {
	    return -current;
	}
    }