convex.gui.components.BalanceLabel Maven / Gradle / Ivy

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package convex.gui.components;

import java.awt.Color;
import java.awt.Dimension;
import java.awt.FontMetrics;
import java.math.BigInteger;

import javax.swing.JMenuItem;
import javax.swing.JPopupMenu;
import javax.swing.text.AttributeSet;
import javax.swing.text.SimpleAttributeSet;
import javax.swing.text.StyleConstants;

import convex.core.ErrorCodes;
import convex.core.Result;
import convex.core.data.ACell;
import convex.core.data.prim.AInteger;
import convex.core.data.prim.CVMLong;
import convex.core.lang.RT;
import convex.core.text.Text;
import convex.core.util.Utils;
import convex.gui.utils.SymbolIcon;
import convex.gui.utils.Toolkit;

/**
 * Component for attractive displace of coin / token balances
 */
@SuppressWarnings("serial")
public class BalanceLabel extends BaseTextPane {

	protected AInteger balance;
	
	public class BalanceMenu extends JPopupMenu {
		
		JMenuItem copyMenuItem = new JMenuItem("Copy Value",SymbolIcon.get(0xe14d,Toolkit.SMALL_ICON_SIZE));
		
		public BalanceMenu() {
			add(copyMenuItem);
			copyMenuItem.addActionListener(e->{
				Toolkit.copyToClipboard(RT.toString(balance));
			});
		}
	}

	public static final Color GOLD=new Color(255,255,0);
	public static final Color SILVER=new Color(200,200,230);
	public static final Color BRONZE=new Color(180,120,60);
	public static final Color COPPER=new Color(150,80,30);
	
	protected int decimals=9;
	private Color balanceColour=GOLD;
	
	public BalanceLabel() {
		this.setEditable(false);
		this.setFocusable(false);
	}
	
	public void setBalance(long a) {
		setBalance(CVMLong.create(a));
	}
	
	public void setDecimals(int decimals) {
		this.decimals=decimals;
		// reset balance to ensure correct display
		refreshBalance();
	}
	
	private synchronized void refreshBalance() {
		try {	
			if (balance==null) {
				super.setText("-         ");
				return;			
			} else {
				// Clear balance for appends
				super.setText("");
			}
			int size=getFont().getSize();
			
			BigInteger unit=getUnit(decimals);
			BigInteger bi=balance.big();
			BigInteger change=bi.remainder(unit);
			BigInteger coins=bi.divide(unit);
	
			AttributeSet attribs = new SimpleAttributeSet();
			attribs=styleContext.addAttribute(attribs, StyleConstants.Alignment, StyleConstants.ALIGN_RIGHT);
			attribs=styleContext.addAttribute(attribs, StyleConstants.FontFamily, getFont().getFamily());
			//StyleConstants.setAlignment(attribs, StyleConstants.ALIGN_RIGHT);
			//StyleConstants.setFontFamily(attribs, Font.PLAIN);
			this.setParagraphAttributes(attribs, true);

			
			String cs=Text.toFriendlyNumber(coins.longValue());
			append(cs,balanceColour,size);
			String ch=Text.zeroPad(change,decimals);
			int decimalSize=size*2/3;
			append(decimals>0?".":" ",SILVER,decimalSize);
			for (int i=0; i");
			} else {
				setText(error.toString());
			}
			return;
		}
		
		if (bal instanceof AInteger) {
			setBalance((AInteger)bal);
		} else {
			setText("");
		}
	}
}