change.java

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

				}
			}

			// delete old pins and copy their names to the new ones
			for(NodeInst ni : changePins)
			{
				if (!ni.hasExports())
				{
					String niName = ni.getName();
					ni.kill();
					NodeInst newNi = newNodes.get(ni);
					newNi.setName(niName);
				}
			}
		}

		private NodeProto [] contactStack = new NodeProto[100];
		private ArcProto [] contactStackArc = new ArcProto[100];

		/**
		 * Method to examine end "end" of arc "ai" and return a node at that position which
		 * can connect to arcs of type "ap".  This may require creation of one or more contacts
		 * to change layers.
		 */
		private PortInst makeContactStack(ArcInst ai, int end, ArcProto ap)
		{
			NodeInst lastNi = ai.getPortInst(end).getNodeInst();
			PortProto lastPp = ai.getPortInst(end).getPortProto();
			PortInst lastPi = lastNi.findPortInstFromProto(lastPp);
			Point2D center = ai.getLocation(end);
			Cell cell = ai.getParent();

//			// first see if it can be replaced by a simple pin
//			boolean allSame = true;
//			for(Iterator<Connection> it = lastNi.getConnections(); it.hasNext(); )
//			{
//				Connection con = it.next();
//				ArcInst aiOnNode = con.getArc();
//				if (aiOnNode == ai) continue;
//				if (aiOnNode.getProto() != ap) allSame = false;
//			}
//			if (allSame)
//			{
//				PrimitiveNode np = ap.findOverridablePinProto();
//				if (lastNi.getProto() == np) return lastPi;
//				NodeInst newNi = NodeInst.makeInstance(np, center, np.getDefWidth(), np.getDefHeight(), cell);
//				if (newNi == null) return null;
//				PortInst thisPi = newNi.getOnlyPortInst();
//				return thisPi;
//			}

			Set<ArcProto> markedArcs = new HashSet<ArcProto>();
			int depth = findPathToArc(lastPp, ap, 0, markedArcs);
			if (depth < 0) return null;

			// create the contacts
			for(int i=0; i<depth; i++)
			{
				ArcProto typ = contactStackArc[i];
				double wid = ai.getLambdaBaseWidth();
				double xS = contactStack[i].getDefWidth();
				double yS = contactStack[i].getDefHeight();
				SizeOffset so = contactStack[i].getProtoSizeOffset();
				xS = Math.max(xS - so.getLowXOffset() - so.getHighXOffset(), wid) + so.getLowXOffset() + so.getHighXOffset();
				yS = Math.max(yS - so.getLowYOffset() - so.getHighYOffset(), wid) + so.getLowYOffset() + so.getHighYOffset();
				NodeInst newNi = NodeInst.makeInstance(contactStack[i], center, xS, yS, cell);
				if (newNi == null) return null;
				PortInst thisPi = newNi.findPortInstFromProto(contactStack[i].getPort(0));
				ArcInst newAi = ArcInst.newInstanceBase(typ, wid, thisPi, lastPi, center, center, null, ai.getAngle());
				lastPi = thisPi;
				if (newAi == null) return null;
				newAi.setFixedAngle(true);
			}
			return lastPi;
		}

		/**
		 * Method to compute an array of contacts and arcs that connects a port to an arcproto.
		 * @param pp the original port.
		 * @param ap the destination arcproto.
		 * @param depth the location in the contact array to fill.
		 * @param markedArcs a set of Arcprotos that have been used in the search.
		 * @return the new size of the contact array.
		 */
		private int findPathToArc(PortProto pp, ArcProto ap, int depth, Set<ArcProto> markedArcs)
		{
			// see if the connection is made
			if (pp.connectsTo(ap)) return depth;

			// look for a contact
			PrimitiveNode bestNp = null;
			ArcProto bestAp = null;
			int bestDepth = 0;
			Technology tech = ap.getTechnology();
			for(Iterator<PrimitiveNode> it = tech.getNodes(); it.hasNext(); )
			{
				PrimitiveNode nextNp = it.next();
				PrimitiveNode.Function fun = nextNp.getFunction();
				if (fun != PrimitiveNode.Function.CONTACT) continue;

				// see if this contact connects to the destination
				PortProto nextPp = nextNp.getPort(0);
				ArcProto [] connections = nextPp.getBasePort().getConnections();
				ArcProto found = null;
				for(int i=0; i<connections.length; i++)
				{
					ArcProto thisAp = connections[i];
					if (thisAp.getTechnology() != tech) continue;
					if (markedArcs.contains(thisAp)) continue;
					if (pp.connectsTo(thisAp)) { found = thisAp;   break; }
				}
				if (found == null) continue;

				// this contact is part of the chain
				contactStack[depth] = nextNp;
				markedArcs.add(found);
				int newDepth = findPathToArc(nextPp, ap, depth+1, markedArcs);
				markedArcs.remove(found);
				if (newDepth < 0) continue;
				if (bestNp == null || newDepth < bestDepth)
				{
					bestDepth = newDepth;
					bestNp = nextNp;
					bestAp = found;
				}
			}
			if (bestNp != null)
			{
				contactStack[depth] = bestNp;
				contactStackArc[depth] = bestAp;
				markedArcs.add(bestAp);
				int newDepth = findPathToArc(bestNp.getPort(0), ap, depth+1, markedArcs);
				markedArcs.remove(bestAp);
				return newDepth;
			}
			return -1;
		}
	}

	private String getLibSelected()
	{
		return (String)librariesPopup.getSelectedItem();
	}

	/** This method is called from within the constructor to
	 * initialize the form.
	 * WARNING: Do NOT modify this code. The content of this method is
	 * always regenerated by the Form Editor.
	 */
	private void initComponents()//GEN-BEGIN:initComponents
    {
        java.awt.GridBagConstraints gridBagConstraints;

        changeOption = new javax.swing.ButtonGroup();
        done = new javax.swing.JButton();
        apply = new javax.swing.JButton();
        listPane = new javax.swing.JScrollPane();
        changeSelected = new javax.swing.JRadioButton();
        changeConnected = new javax.swing.JRadioButton();
        changeInCell = new javax.swing.JRadioButton();
        changeInLibrary = new javax.swing.JRadioButton();
        changeEverywhere = new javax.swing.JRadioButton();
        changeNodesWithArcs = new javax.swing.JCheckBox();
        showPrimitives = new javax.swing.JCheckBox();
        showCells = new javax.swing.JCheckBox();
        ignorePortNames = new javax.swing.JCheckBox();
        jLabel1 = new javax.swing.JLabel();
        librariesPopup = new javax.swing.JComboBox();
        allowMissingPorts = new javax.swing.JCheckBox();

        getContentPane().setLayout(new java.awt.GridBagLayout());

        setTitle("Change");
        setName("");
        addWindowListener(new java.awt.event.WindowAdapter()
        {
            public void windowClosing(java.awt.event.WindowEvent evt)
            {
                closeDialog(evt);
            }
        });

        done.setText("Done");
        done.addActionListener(new java.awt.event.ActionListener()
        {
            public void actionPerformed(java.awt.event.ActionEvent evt)
            {
                done(evt);
            }
        });

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 2;
        gridBagConstraints.gridy = 10;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(done, gridBagConstraints);

        apply.setText("Apply");
        apply.addActionListener(new java.awt.event.ActionListener()
        {
            public void actionPerformed(java.awt.event.ActionEvent evt)
            {
                apply(evt);
            }
        });

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 3;
        gridBagConstraints.gridy = 10;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(apply, gridBagConstraints);

        listPane.setMinimumSize(new java.awt.Dimension(150, 22));
        listPane.setPreferredSize(new java.awt.Dimension(150, 22));
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 0;
        gridBagConstraints.gridwidth = 2;
        gridBagConstraints.gridheight = 10;
        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;
        gridBagConstraints.weightx = 1.0;
        gridBagConstraints.weighty = 1.0;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(listPane, gridBagConstraints);

        changeSelected.setText("Change selected ones only");
        changeOption.add(changeSelected);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 2;
        gridBagConstraints.gridy = 0;
        gridBagConstraints.gridwidth = 2;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 2, 4);
        getContentPane().add(changeSelected, gridBagConstraints);

        changeConnected.setText("Change all connected to this");
        changeOption.add(changeConnected);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 2;
        gridBagConstraints.gridy = 1;
        gridBagConstraints.gridwidth = 2;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(2, 4, 2, 4);
        getContentPane().add(changeConnected, gridBagConstraints);

        changeInCell.setText("Change all in this cell");
        changeOption.add(changeInCell);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 2;
        gridBagConstraints.gridy = 2;
        gridBagConstraints.gridwidth = 2;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(2, 4, 2, 4);
        getContentPane().add(changeInCell, gridBagConstraints);

        changeInLibrary.setText("Change all in this library");
        changeOption.add(changeInLibrary);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 2;
        gridBagConstraints.gridy = 3;
        gridBagConstraints.gridwidth = 2;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(2, 4, 2, 4);
        getContentPane().add(changeInLibrary, gridBagConstraints);

        changeEverywhere.setText("Change all in all libraries");
        changeOption.add(changeEverywhere);
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 2;
        gridBagConstraints.gridy = 4;
        gridBagConstraints.gridwidth = 2;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(2, 4, 10, 4);
        getContentPane().add(changeEverywhere, gridBagConstraints);

        changeNodesWithArcs.setText("Change nodes with arcs");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 2;
        gridBagConstraints.gridy = 5;
        gridBagConstraints.gridwidth = 2;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(10, 4, 4, 4);
        getContentPane().add(changeNodesWithArcs, gridBagConstraints);

        showPrimitives.setText("Show primitives");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 2;
        gridBagConstraints.gridy = 6;
        gridBagConstraints.gridwidth = 2;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(showPrimitives, gridBagConstraints);

        showCells.setText("Show cells");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 2;
        gridBagConstraints.gridy = 7;
        gridBagConstraints.gridwidth = 2;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(showCells, gridBagConstraints);

        ignorePortNames.setText("Ignore port names");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 2;
        gridBagConstraints.gridy = 8;
        gridBagConstraints.gridwidth = 2;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(ignorePortNames, gridBagConstraints);

        jLabel1.setText("Library:");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 0;
        gridBagConstraints.gridy = 10;
        getContentPane().add(jLabel1, gridBagConstraints);

        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 1;
        gridBagConstraints.gridy = 10;
        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(librariesPopup, gridBagConstraints);

        allowMissingPorts.setText("Allow missing ports");
        gridBagConstraints = new java.awt.GridBagConstraints();
        gridBagConstraints.gridx = 2;
        gridBagConstraints.gridy = 9;
        gridBagConstraints.gridwidth = 2;
        gridBagConstraints.anchor = java.awt.GridBagConstraints.WEST;
        gridBagConstraints.insets = new java.awt.Insets(4, 4, 4, 4);
        getContentPane().add(allowMissingPorts, gridBagConstraints);

        pack();
    }//GEN-END:initComponents

	private void done(java.awt.event.ActionEvent evt)//GEN-FIRST:event_done
	{//GEN-HEADEREND:event_done
		closeDialog(null);
	}//GEN-LAST:event_done

	private void apply(java.awt.event.ActionEvent evt)//GEN-FIRST:event_apply
	{//GEN-HEADEREND:event_apply
		doTheChange();
		libSelected = (String)librariesPopup.getSelectedItem();
	}//GEN-LAST:event_apply

	/** Closes the dialog */
	private void closeDialog(java.awt.event.WindowEvent evt)//GEN-FIRST:event_closeDialog
	{
		Highlighter.removeHighlightListener(this);
		setVisible(false);
		dispose();
		theDialog = null;
	}//GEN-LAST:event_closeDialog

    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JCheckBox allowMissingPorts;
    private javax.swing.JButton apply;
    private javax.swing.JRadioButton changeConnected;
    private javax.swing.JRadioButton changeEverywhere;
    private javax.swing.JRadioButton changeInCell;
    private javax.swing.JRadioButton changeInLibrary;
    private javax.swing.JCheckBox changeNodesWithArcs;
    private javax.swing.ButtonGroup changeOption;
    private javax.swing.JRadioButton changeSelected;
    private javax.swing.JButton done;
    private javax.swing.JCheckBox ignorePortNames;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JComboBox librariesPopup;
    private javax.swing.JScrollPane listPane;
    private javax.swing.JCheckBox showCells;
    private javax.swing.JCheckBox showPrimitives;
    // End of variables declaration//GEN-END:variables

}