statusbar.java

The ElectricTM VLSI Design System is an open-source Electronic Design Automation (EDA) system that c

/* -*- tab-width: 4 -*-
 *
 * Electric(tm) VLSI Design System
 *
 * File: StatusBar.java
 *
 * Copyright (c) 2003 Sun Microsystems and Static Free Software
 *
 * Electric(tm) 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 3 of the License, or
 * (at your option) any later version.
 *
 * Electric(tm) 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 Electric(tm); see the file COPYING.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, Mass 02111-1307, USA.
 */
package com.sun.electric.tool.user.ui;

import com.sun.electric.database.change.DatabaseChangeEvent;
import com.sun.electric.database.change.DatabaseChangeListener;
import com.sun.electric.database.hierarchy.Cell;
import com.sun.electric.database.hierarchy.Export;
import com.sun.electric.database.network.Netlist;
import com.sun.electric.database.network.Network;
import com.sun.electric.database.prototype.PortProto;
import com.sun.electric.database.text.TextUtils;
import com.sun.electric.database.topology.ArcInst;
import com.sun.electric.database.topology.NodeInst;
import com.sun.electric.database.topology.PortInst;
import com.sun.electric.database.variable.ElectricObject;
import com.sun.electric.technology.ArcProto;
import com.sun.electric.technology.PrimitiveNodeSize;
import com.sun.electric.technology.PrimitivePort;
import com.sun.electric.technology.Technology;
import com.sun.electric.technology.technologies.Generic;
import com.sun.electric.tool.Client;
import com.sun.electric.tool.user.Highlight2;
import com.sun.electric.tool.user.HighlightListener;
import com.sun.electric.tool.user.Highlighter;
import com.sun.electric.tool.user.UserInterfaceMain;

import java.awt.Dimension;
import java.awt.FontMetrics;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import java.awt.Rectangle;
import java.awt.geom.Rectangle2D;
import java.util.Iterator;

import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.border.BevelBorder;


/**
 * This class manages the Electric status bar at the bottom of the edit window.
 */
public class StatusBar extends JPanel implements HighlightListener, DatabaseChangeListener
{
	private WindowFrame frame;
	private String coords = null;
	private String hierCoords = null;
	private JLabel fieldSelected, fieldSize, fieldTech, fieldCoords, fieldHierCoords;

	private static String selectionOverride = null;

	public StatusBar(WindowFrame frame)
	{
		super(new GridBagLayout());
		setBorder(new BevelBorder(BevelBorder.LOWERED));
		this.frame = frame;

		fieldSelected = new JLabel();
		addField(fieldSelected, 0, 0, 1);

		fieldSize = new JLabel();
		Dimension d = new Dimension(300, 16);
        fieldSize.setMinimumSize(d);
        fieldSize.setMaximumSize(d);
        fieldSize.setPreferredSize(d);
		addField(fieldSize, 1, 0, 1);

        fieldTech = new JLabel();
        d = new Dimension (400, 16);
        fieldTech.setMinimumSize(d);
        fieldTech.setMaximumSize(d);
        fieldTech.setPreferredSize(d);
        addField(fieldTech, 2, 0, 1);

        fieldCoords = new JLabel();
        fieldCoords.setMinimumSize(new Dimension(100, 16));
        fieldCoords.setMaximumSize(new Dimension(500, 16));
        fieldCoords.setPreferredSize(new Dimension(140, 16));
        fieldCoords.setHorizontalAlignment(JLabel.RIGHT);
		addField(fieldCoords, 3, 0, 1);

		fieldHierCoords = new JLabel(" ");
		fieldHierCoords.setHorizontalAlignment(JLabel.RIGHT);
		addField(fieldHierCoords, 0, 1, 4);

        // add myself as listener for highlight changes in SDI mode
        if (TopLevel.isMDIMode()) {
            // do nothing
        } else if (frame.getContent().getHighlighter() != null) {
            Highlighter.addHighlightListener(this);
        }
        UserInterfaceMain.addDatabaseChangeListener(this);
	}

	private void addField(JLabel field, int x, int y, int width)
	{
		GridBagConstraints gbc = new GridBagConstraints();
		gbc.gridx = x;   gbc.gridy = y;
		gbc.gridwidth = width;
        if (x == 0)
        {
            gbc.weightx = 0.2;
            gbc.fill = GridBagConstraints.HORIZONTAL;
        }
        gbc.anchor = GridBagConstraints.WEST;
        int rightInsert = (Client.isOSMac()) ? 20 : 4;
        gbc.insets = new java.awt.Insets(0, 4, 0, rightInsert);
		add(field, gbc);
	}

    /**
     * Highlighter depends on MDI or SDI mode.
     * @return the highlighter to use. May be null if none.
     */
    private Highlighter getHighlighter() {
        if (TopLevel.isMDIMode()) {
            // get current internal frame highlighter
            EditWindow wnd = EditWindow.getCurrent();
            if (wnd == null) return null;
            return wnd.getHighlighter();
        }
        return frame.getContent().getHighlighter();
    }

	public static void setCoordinates(String coords, WindowFrame wf)
	{
		StatusBar sb = null;
		if (TopLevel.isMDIMode())
		{
			sb = TopLevel.getCurrentJFrame().getStatusBar();
		} else
		{
			sb = wf.getFrame().getStatusBar();
		}
		sb.coords = coords;
		sb.redoStatusBar();
	}

	public static void setHierarchicalCoordinates(String hierCoords, WindowFrame wf)
	{
		StatusBar sb = null;
		if (TopLevel.isMDIMode())
		{
			sb = TopLevel.getCurrentJFrame().getStatusBar();
		} else
		{
			sb = wf.getFrame().getStatusBar();
		}
		sb.hierCoords = hierCoords;
		sb.redoStatusBar();
	}

	public static void setSelectionOverride(String ov)
	{
		selectionOverride = ov;
		updateStatusBar();
	}

    public void highlightChanged(Highlighter which)
    {
        updateSelectedText();
    }

    /**
     * Called when by a Highlighter when it loses focus. The argument
     * is the Highlighter that has gained focus (may be null).
     * @param highlighterGainedFocus the highlighter for the current window (may be null).
     */
    public void highlighterLostFocus(Highlighter highlighterGainedFocus) {}

	/**
	 * Method to update the status bar from current values.
	 * Call this when any of those values change.
	 */
	public static void updateStatusBar()
	{
		if (TopLevel.isMDIMode())
		{
			StatusBar sb = TopLevel.getCurrentJFrame().getStatusBar();
			sb.redoStatusBar();
		} else
		{
			for(Iterator<WindowFrame> it = WindowFrame.getWindows(); it.hasNext(); )
			{
				WindowFrame wf = it.next();
				StatusBar sb = wf.getFrame().getStatusBar();
                if (sb != null)
				    sb.redoStatusBar();
			}
		}
	}

	private void redoStatusBar()
	{
        updateSelectedText();
        
		Cell cell = null;
		WindowFrame thisFrame = frame;
		if (thisFrame == null)
		{
			thisFrame = WindowFrame.getCurrentWindowFrame(false);
			if (thisFrame != null) cell = thisFrame.getContent().getCell();
		} else
		{
			Cell cellInPanel = thisFrame.getContent().getCell();
			if (cellInPanel != null) cell = cellInPanel;
		}
		String sizeMsg = "";
		if (cell != null)
		{