merged changes

diylc/diylc-core/src/main/java/org/diylc/common/Orientation.java

@@ -35,19 +35,9 @@ public enum Orientation {
   }
   
   public double toDegrees() {
-    switch (this) {
+    if (this == DEFAULT)
-      case DEFAULT:
+      return 0;
-        return 0;
+    return Integer.parseInt(name().replace("_", ""));
-      case _180:
-        return 180;
-      case _270:
-        return 270;
-      case _90:
-        return 90;
-      default:
-        break;      
-    }
-    return 0;
   }
   
   public double toRadians() {

diylc/diylc-core/src/main/java/org/diylc/common/Orientation45.java

@@ -0,0 +1,46 @@
+/*
+
+    DIY Layout Creator (DIYLC).
+    Copyright (c) 2009-2018 held jointly by the individual authors.
+
+    This file is part of DIYLC.
+
+    DIYLC 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.
+
+    DIYLC 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 DIYLC.  If not, see <http://www.gnu.org/licenses/>.
+
+*/
+package org.diylc.common;
+
+public enum Orientation45 {
+
+  DEFAULT, _45, _90, _135, _180, _225, _270, _315;
+
+  @Override
+  public String toString() {
+    if (this == DEFAULT) {
+      return "Default";
+    } else {
+      return name().replace("_", "") + " degrees clockwise";
+    }
+  }
+
+  public double toDegrees() {
+    if (this == DEFAULT)
+      return 0;
+    return Integer.parseInt(name().replace("_", ""));
+  }
+
+  public double toRadians() {
+    return Math.toRadians(toDegrees());
+  }
+}

diylc/diylc-core/src/main/java/org/diylc/core/images/IconLoader.java

@@ -72,7 +72,7 @@ public enum IconLoader {
     BufferedImage img = null;
     try {
       img = ImageIO.read(getClass().getResourceAsStream("/images/" + name));
-    } catch (IOException e) {
+    } catch (Exception e) {
       Logger.getLogger(IconLoader.class).error("Couldn't find file: " + name);
     }
     return img;

diylc/diylc-core/src/main/java/org/diylc/netlist/AbstractNetlistAnalyzer.java

@@ -27,9 +27,9 @@ import java.util.Set;
 
 import org.diylc.core.IDIYComponent;
 
-public abstract class NetlistAnalyzer {
+public abstract class AbstractNetlistAnalyzer {
 
-  public NetlistAnalyzer() {
+  public AbstractNetlistAnalyzer() {
   }
 
   public List<Summary> summarize(List<Netlist> netlists, Node preferredOutput)

diylc/diylc-core/src/main/java/org/diylc/netlist/Netlist.java

@@ -23,6 +23,7 @@ import java.util.Collections;
 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;
+import java.util.stream.Collectors;
 
 import org.diylc.core.IDIYComponent;
 
@@ -59,10 +60,6 @@ public class Netlist implements Comparable<Netlist> {
     return switchSetup;
   }
 
-  public void done() {
-    Collections.sort(switchSetup);
-  }
-
   @Override
   public int hashCode() {
     final int prime = 31;
@@ -88,10 +85,15 @@ public class Netlist implements Comparable<Netlist> {
     return true;
   }
 
+  public String getSwitchSetupString() {
+    return getSwitchSetup().isEmpty() ? "[ ALL ]" : "[ " +
+        getSwitchSetup().stream().map(x -> x.toString()).collect(Collectors.joining(",")) + " ]";
+  }
+
   @Override
   public String toString() {
     StringBuilder sb = new StringBuilder();
-    sb.append("Switch setup: ").append(getSwitchSetup()).append("\n\n");
+    sb.append("Switch setup: ").append(getSwitchSetupString()).append("\n\n");
     List<Group> list = getSortedGroups();
     for (Group g : list) {
       sb.append("\t").append(g).append("\n");

diylc/diylc-core/src/main/java/org/diylc/netlist/NetlistBuilder.java

@@ -19,15 +19,7 @@ package org.diylc.netlist;
 
 import java.awt.geom.Area;
 import java.awt.geom.Point2D;
-import java.util.ArrayList;
+import java.util.*;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.TreeSet;
 import java.util.stream.Collectors;
 import org.apache.log4j.Logger;
 
@@ -191,10 +183,29 @@ public class NetlistBuilder {
     // sort everything alphabetically
     List<Netlist> netlists = new ArrayList<Netlist>(result.keySet());
     Collections.sort(netlists);
+    netlists.forEach(netlist -> cleanupRedundantSwitches(netlist.getSwitchSetup()));
 
     return netlists;
   }
 
+  public static void cleanupRedundantSwitches(List<SwitchSetup> switchSetups) {
+    Map<ISwitch, Set<Integer>> positionCountMap = new HashMap<>();
+    switchSetups.forEach(s -> s.getPositions().forEach(pos -> {
+      positionCountMap.computeIfAbsent(pos.getSwitch(), k -> new HashSet<Integer>()).add(pos.getPosition());
+    }));
+    // find switches that are here in all the positions, meaning that they don't affect the circuit
+    Set<ISwitch> switchesToPrune = positionCountMap.entrySet().stream()
+        .filter(e -> e.getKey().getPositionCount() == e.getValue().size())
+        .map(x -> x.getKey())
+        .collect(Collectors.toSet());
+    switchSetups.forEach(s -> s.getPositions().removeIf(x -> switchesToPrune.contains(x.getSwitch())));
+    switchSetups.removeIf(x -> x.getPositions().isEmpty());
+    HashSet<SwitchSetup> uniqueSetups = new HashSet<>(switchSetups);
+    switchSetups.clear();
+    switchSetups.addAll(uniqueSetups);
+    switchSetups.sort(Comparator.comparing(x -> x.toString()));
+  }
+
   public static Netlist buildNetlist(List<IDIYComponent<?>> components, Collection<Node> nodes,
       Collection<ContinuityArea> continuityAreas, Collection<Connection> connections) {
     ImmutableGraph<ProjectGraphNode> graph = buildGraph(nodes, continuityAreas, connections);

diylc/diylc-core/src/main/java/org/diylc/netlist/Tree.java

@@ -172,10 +172,10 @@ public class Tree {
   }
 
   public String toAsciiString() {
-    return String.join("<br>", toAscii());
+    return String.join("<br>", toAsciiLines());
   }
 
-  private List<String> toAscii() {
+  private List<String> toAsciiLines() {
     if (leaf != null) {
       return Arrays.asList(TreeAsciiUtil.generateString(TreeAsciiUtil.BOXH,
           1) + " " + leaf.toHTML() + " " + TreeAsciiUtil.generateString(TreeAsciiUtil.BOXH, 1));
@@ -184,7 +184,7 @@ public class Tree {
     List<Tree> children = getOrderedChildren();
 
     List<List<String>> childrenAscii =
-        children.stream().map(c -> c.toAscii()).collect(Collectors.toList());
+        children.stream().map(c -> c.toAsciiLines()).collect(Collectors.toList());
 
     if (TreeConnectionType.Series.equals(connectionType)) {
       return TreeAsciiUtil.concatenateMultiLineSerial(

diylc/diylc-core/src/main/java/org/diylc/presenter/InstantiationManager.java

@@ -36,11 +36,7 @@ import org.apache.log4j.Logger;
 import org.diylc.appframework.miscutils.ConfigurationManager;
 
 import org.diylc.clipboard.ComponentTransferable;
-import org.diylc.common.ComponentType;
+import org.diylc.common.*;
-import org.diylc.common.IPlugInPort;
-import org.diylc.common.Orientation;
-import org.diylc.common.OrientationHV;
-import org.diylc.common.PropertyWrapper;
 import org.diylc.core.Angle;
 import org.diylc.core.CreationMethod;
 import org.diylc.core.IDIYComponent;
@@ -437,6 +433,7 @@ public class InstantiationManager {
     for (PropertyWrapper propertyWrapper : properties) {
       if (propertyWrapper.getType().getName().equals(Orientation.class.getName())
           || propertyWrapper.getType().getName().equals(OrientationHV.class.getName())
+          || propertyWrapper.getType().getName().equals(Orientation45.class.getName())
           || propertyWrapper.getName().equalsIgnoreCase("angle")) {
         angleProperty = propertyWrapper;
         break;
@@ -456,6 +453,9 @@ public class InstantiationManager {
         } else if (value instanceof OrientationHV) {
           angleProperty.setValue(OrientationHV.values()[(((OrientationHV) value).ordinal() + 1)
               % OrientationHV.values().length]);
+        } else if (value instanceof Orientation45) {
+          angleProperty.setValue(Orientation45.values()[(((Orientation45) value).ordinal() + 1)
+              % Orientation45.values().length]);
         } else if (value instanceof Angle) {
           Angle angle = (Angle) angleProperty.getValue();
           Angle newAngle = angle.rotate(1);

diylc/diylc-core/src/main/java/org/diylc/presenter/Presenter.java

@@ -32,7 +32,6 @@ import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
 import java.lang.reflect.Modifier;
-import java.net.URL;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
@@ -50,7 +49,6 @@ import javax.swing.JOptionPane;
 import org.apache.log4j.Logger;
 import org.diylc.appframework.miscutils.IConfigListener;
 import org.diylc.appframework.miscutils.IConfigurationManager;
-import org.diylc.appframework.miscutils.JarScanner;
 import org.diylc.appframework.miscutils.Utils;
 import org.diylc.appframework.simplemq.MessageDispatcher;
 import org.diylc.appframework.update.Version;
@@ -88,7 +86,7 @@ import org.diylc.core.measures.SizeUnit;
 import org.diylc.lang.LangUtil;
 import org.diylc.netlist.INetlistParser;
 import org.diylc.netlist.Netlist;
-import org.diylc.netlist.NetlistAnalyzer;
+import org.diylc.netlist.AbstractNetlistAnalyzer;
 import org.diylc.netlist.NetlistBuilder;
 import org.diylc.netlist.NetlistException;
 import org.diylc.serialization.ProjectFileManager;
@@ -2030,7 +2028,7 @@ public class Presenter implements IPlugInPort, IConfigListener {
       if (netlists == null)
         return;
       
-      List<Set<IDIYComponent<?>>> allGroups = NetlistAnalyzer.extractComponentGroups(netlists);
+      List<Set<IDIYComponent<?>>> allGroups = AbstractNetlistAnalyzer.extractComponentGroups(netlists);
       // Find control points of all selected components and all types
       Set<String> selectedNamePrefixes = new HashSet<String>();
       if (expansionMode == ExpansionMode.SAME_TYPE) {

diylc/diylc-core/src/test/java/org/diylc/netlist/TreeAsciiUtilTest.java

@@ -56,4 +56,15 @@ public class TreeAsciiUtilTest {
 //    assertEquals("yy-yyy", result.get(1));
 //    assertEquals("   aaa", result.get(2));
   }
+
+  @Test
+  public void testSimpleParallel() {
+    List<String> result = TreeAsciiUtil.concatenateMultiLineParallel(
+        Arrays.asList(Arrays.asList("xx"), Arrays.asList("yy")));
+    assertNotNull(result);
+    assertEquals(3, result.size());
+    assertEquals("&nbsp;&#x250C;xx&#x2510;&nbsp;", result.get(0));
+    assertEquals("&#x2500;&#x2524;&nbsp;&nbsp;&#x251C;&#x2500;", result.get(1));
+    assertEquals("&nbsp;&#x2514;yy&#x2518;&nbsp;", result.get(2));
+  }
 }

diylc/diylc-library/src/main/java/org/diylc/components/connectivity/MultimeterProbe.java

@@ -0,0 +1,243 @@
+/*
+ *
+ * DIY Layout Creator (DIYLC). Copyright (c) 2009-2018 held jointly by the individual authors.
+ *
+ * This file is part of DIYLC.
+ *
+ * DIYLC 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.
+ *
+ * DIYLC 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 DIYLC. If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ */
+package org.diylc.components.connectivity;
+
+import java.awt.AlphaComposite;
+import java.awt.Color;
+import java.awt.Composite;
+import java.awt.Graphics2D;
+import java.awt.Shape;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Path2D;
+import java.awt.geom.Point2D;
+import java.awt.geom.Rectangle2D;
+
+import org.diylc.common.ObjectCache;
+import org.diylc.common.Orientation45;
+import org.diylc.components.AbstractTransparentComponent;
+import org.diylc.components.transform.SimpleComponentTransformer;
+import org.diylc.core.ComponentState;
+import org.diylc.core.IDIYComponent;
+import org.diylc.core.IDrawingObserver;
+import org.diylc.core.Project;
+import org.diylc.core.VisibilityPolicy;
+import org.diylc.core.annotations.BomPolicy;
+import org.diylc.core.annotations.ComponentDescriptor;
+import org.diylc.core.annotations.EditableProperty;
+import org.diylc.core.annotations.KeywordPolicy;
+import org.diylc.core.measures.Size;
+import org.diylc.core.measures.SizeUnit;
+
+@ComponentDescriptor(name = "Multimeter Probe", category = "Connectivity",
+    author = "Branislav Stojkovic", description = "Multimeter Probe", instanceNamePrefix = "Probe",
+    zOrder = IDIYComponent.TEXT, bomPolicy = BomPolicy.NEVER_SHOW, autoEdit = false,
+    keywordPolicy = KeywordPolicy.SHOW_TYPE_NAME, transformer = SimpleComponentTransformer.class,
+    enableCache = true)
+public class MultimeterProbe extends AbstractTransparentComponent<Color> {
+
+  private static final long serialVersionUID = 1L;
+
+  public static Size PROBE_DIAMETER = new Size(0.05d, SizeUnit.in);
+  public static Size PROBE_LENGTH = new Size(0.4d, SizeUnit.in);
+  public static Color PROBE_COLOR = METAL_COLOR;
+  public static Size HANDLE_DIAMETER = new Size(0.2d, SizeUnit.in);
+  public static Size HANDLE_LENGTH = new Size(0.4d, SizeUnit.in);
+  public static Color HANDLE_COLOR = Color.red;
+
+  private Point2D.Double point = new Point2D.Double(0, 0);
+  private Color handleColor = HANDLE_COLOR;
+  private Orientation45 orientation = Orientation45._315;
+
+  private transient Shape[] body = null;
+
+  public MultimeterProbe() {
+    this.alpha = (byte) (MAX_ALPHA / 2);
+  }
+
+  @Override
+  public void draw(Graphics2D g2d, ComponentState componentState, boolean outlineMode,
+      Project project, IDrawingObserver drawingObserver) {
+
+    Shape[] shapes = getBody();
+    g2d.setStroke(ObjectCache.getInstance().fetchBasicStroke(1f));
+
+    if (!outlineMode) {
+      Composite oldComposite = g2d.getComposite();
+      if (alpha < MAX_ALPHA) {
+        g2d.setComposite(
+            AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1f * alpha / MAX_ALPHA));
+      }
+      g2d.setColor(PROBE_COLOR);
+      g2d.fill(shapes[0]);
+      g2d.setColor(handleColor);
+      g2d.fill(shapes[1]);
+      g2d.setComposite(oldComposite);
+    }
+    g2d.setColor(
+        componentState == ComponentState.SELECTED || componentState == ComponentState.DRAGGING
+            ? SELECTION_COLOR
+            : handleColor.darker());
+    g2d.draw(shapes[1]);
+    g2d.setColor(
+        componentState == ComponentState.SELECTED || componentState == ComponentState.DRAGGING
+            ? SELECTION_COLOR
+            : PROBE_COLOR.darker());
+    g2d.draw(shapes[0]);
+  }
+
+  @Override
+  public void drawIcon(Graphics2D g2d, int width, int height) {
+    double probeDiameter = 2;
+    double probeLength = height / 2 + 2;
+    double handleDiameter = width / 4;
+    double handleLength = height / 2 + 2;
+    double x = 2;
+    double y = height - 2;
+    Shape probe = buildProbeShape(probeDiameter, probeLength, x, y);
+    Shape handle = buildHandleShape(probeDiameter, probeLength, handleDiameter, handleLength, x, y);
+
+    double theta = Math.PI / 4;
+    AffineTransform tx = AffineTransform.getRotateInstance(theta, x, y);
+    probe = tx.createTransformedShape(probe);
+    handle = tx.createTransformedShape(handle);
+
+    g2d.setColor(PROBE_COLOR);
+    g2d.fill(probe);
+    g2d.setColor(HANDLE_COLOR);
+    g2d.fill(handle);
+
+    g2d.setStroke(ObjectCache.getInstance().fetchBasicStroke(1));
+    g2d.setColor(PROBE_COLOR.darker());
+    g2d.draw(probe);
+    g2d.setColor(HANDLE_COLOR.darker());
+    g2d.draw(handle);
+  }
+
+  public Shape[] getBody() {
+    if (body == null) {
+      double probeDiameter = PROBE_DIAMETER.convertToPixels();
+      double probeLength = PROBE_LENGTH.convertToPixels();
+      double handleDiameter = HANDLE_DIAMETER.convertToPixels();
+      double handleLength = HANDLE_LENGTH.convertToPixels();
+      double x = point.getX();
+      double y = point.getY();
+      body = new Shape[2];
+      Path2D probe = buildProbeShape(probeDiameter, probeLength, x, y);
+      body[0] = probe;
+      Path2D handle =
+          buildHandleShape(probeDiameter, probeLength, handleDiameter, handleLength, x, y);
+      body[1] = handle;
+
+      double theta = orientation.toRadians();
+      if (theta != 0) {
+        AffineTransform tx = AffineTransform.getRotateInstance(theta, x, y);
+        body[0] = tx.createTransformedShape(body[0]);
+        body[1] = tx.createTransformedShape(body[1]);
+      }
+    }
+    return body;
+  }
+
+  private Path2D buildHandleShape(double probeDiameter, double probeLength, double handleDiameter,
+      double handleLength, double x, double y) {
+    Path2D handle = new Path2D.Double();
+    handle.moveTo(x + probeDiameter, y - probeLength);
+    handle.lineTo(x + handleDiameter / 2, y - handleLength - probeLength);
+    handle.lineTo(x - handleDiameter / 2, y - handleLength - probeLength);
+    handle.lineTo(x - probeDiameter, y - probeLength);
+    handle.moveTo(x + probeDiameter, y - probeLength);
+    handle.closePath();
+    return handle;
+  }
+
+  private Path2D buildProbeShape(double probeDiameter, double probeLength, double x, double y) {
+    Path2D probe = new Path2D.Double();
+    probe.moveTo(x, y);
+    probe.lineTo(x - probeDiameter / 2, y - probeDiameter);
+    probe.lineTo(x - probeDiameter / 2, y - probeLength);
+    probe.lineTo(x + probeDiameter / 2, y - probeLength);
+    probe.lineTo(x + probeDiameter / 2, y - probeDiameter);
+    probe.lineTo(x, y);
+    probe.closePath();
+    return probe;
+  }
+
+  @Override
+  public int getControlPointCount() {
+    return 1;
+  }
+
+  @Override
+  public boolean isControlPointSticky(int index) {
+    return true;
+  }
+
+  @Override
+  public VisibilityPolicy getControlPointVisibilityPolicy(int index) {
+    return VisibilityPolicy.NEVER;
+  }
+
+  @Override
+  public Point2D getControlPoint(int index) {
+    return point;
+  }
+
+  @Override
+  public void setControlPoint(Point2D point, int index) {
+    this.point.setLocation(point);
+    this.body = null;
+  }
+
+  @Override
+  @EditableProperty(name = "Color")
+  public Color getValue() {
+    return handleColor;
+  }
+
+  public void setValue(Color color) {
+    this.handleColor = color;
+  }
+
+  @EditableProperty(name = "Angle")
+  public Orientation45 getOrientation() {
+    return orientation;
+  }
+
+  public void setOrientation(Orientation45 orientation) {
+    this.orientation = orientation;
+    this.body = null;
+  }
+
+  @Override
+  public String getControlPointNodeName(int index) {
+    return "Tip";
+  }
+
+  @Override
+  public Rectangle2D getCachingBounds() {
+    Shape[] shapes = getBody();
+    Rectangle2D bounds1 = shapes[0].getBounds2D();
+    Rectangle2D bounds2 = shapes[1].getBounds2D();
+    double minX = Math.min(bounds1.getMinX(), bounds2.getMinX());
+    double minY = Math.min(bounds1.getMinY(), bounds2.getMinY());
+    double maxX = Math.max(bounds1.getMaxX(), bounds2.getMaxX());
+    double maxY = Math.max(bounds1.getMaxY(), bounds2.getMaxY());
+    return new Rectangle2D.Double(minX - 1, minY - 1, maxX - minX + 2, maxY - minY + 2);
+  }
+}

diylc/diylc-library/src/main/java/org/diylc/netlist/GuitarDiagramAnalyzer.java

@@ -46,17 +46,9 @@ import org.diylc.components.passive.RadialFilmCapacitor;
 import org.diylc.components.passive.RadialMicaCapacitor;
 import org.diylc.components.passive.Resistor;
 import org.diylc.core.IDIYComponent;
-import org.diylc.netlist.Netlist;
-import org.diylc.netlist.NetlistAnalyzer;
-import org.diylc.netlist.Node;
-import org.diylc.netlist.Summary;
-import org.diylc.netlist.Tree;
-import org.diylc.netlist.TreeConnectionType;
-import org.diylc.netlist.TreeException;
-import org.diylc.netlist.TreeLeaf;
 import org.diylc.netlist.Tree.ITreeWalker;
 
-public class GuitarDiagramAnalyzer extends NetlistAnalyzer implements INetlistAnalyzer {
+public class GuitarDiagramAnalyzer extends AbstractNetlistAnalyzer implements INetlistAnalyzer {
 
   private static Set<String> JACK_TYPES = new HashSet<String>();
   private static Set<String> POT_TYPES = new HashSet<String>();

diylc/diylc-library/src/main/java/org/diylc/netlist/MultimeterAnalyzer.java

@@ -0,0 +1,91 @@
+/*
+ *
+ * DIY Layout Creator (DIYLC). Copyright (c) 2009-2018 held jointly by the individual authors.
+ *
+ * This file is part of DIYLC.
+ *
+ * DIYLC 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.
+ *
+ * DIYLC 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 DIYLC. If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ */
+package org.diylc.netlist;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
+import javax.swing.JLabel;
+import org.diylc.common.INetlistAnalyzer;
+import org.diylc.components.connectivity.MultimeterProbe;
+
+public class MultimeterAnalyzer extends AbstractNetlistAnalyzer implements INetlistAnalyzer {
+
+  @Override
+  public String getName() {
+    return "Virtual Multimeter";
+  }
+
+  @Override
+  public String getShortName() {
+    return "multimeter";
+  }
+
+  @Override
+  public String getIconName() {
+    return "Multimeter";
+  }
+
+  @Override
+  public String getFontName() {
+    return new JLabel().getFont().getName();
+  }
+
+  protected Summary summarize(Netlist netlist, Node preferredOutput) throws TreeException {
+    Tree tree = constructTree(netlist);
+
+    if (tree == null) {
+      return new Summary(netlist, "No components found connecting the two multimeter probes.");
+    }
+
+    List<String> notes = new ArrayList<String>();
+
+    StringBuilder sb = new StringBuilder();
+
+    String asciiTree = tree.toAsciiString();
+
+    sb.append("<br><br>")
+        .append("<font face='Courier New'>")
+        .append(asciiTree)
+        .append("</font>");
+    if (!notes.isEmpty()) {
+      Collections.sort(notes);
+      sb.append("<br><br>");
+      for (String v : notes) {
+        sb.append(v).append("<br>");
+      }
+    }
+
+    return new Summary(netlist, sb.toString());
+  }
+
+  public Tree constructTree(Netlist netlist) throws TreeException {
+    List<Node> probeNodes = find(Set.of(MultimeterProbe.class.getCanonicalName()), null, netlist);
+
+    if (probeNodes.isEmpty()) {
+      throw new TreeException("No multimeter probes are placed on the circuit.");
+    } else if (probeNodes.size() != 2) {
+      throw new TreeException(
+          "Place exactly two multimeter probes on the circuit in order to run the analysis.");
+    } else {
+      return constructTreeBetween(netlist, probeNodes.get(0), probeNodes.get(1));
+    }
+  }
+}

diylc/diylc-library/src/main/java/org/diylc/netlist/SpiceAnalyzer.java

@@ -27,14 +27,8 @@ import java.util.stream.Collectors;
 
 import org.diylc.common.INetlistAnalyzer;
 import org.diylc.core.IDIYComponent;
-import org.diylc.netlist.Group;
-import org.diylc.netlist.Netlist;
-import org.diylc.netlist.NetlistAnalyzer;
-import org.diylc.netlist.Node;
-import org.diylc.netlist.Summary;
-import org.diylc.netlist.TreeException;
 
-public class SpiceAnalyzer extends NetlistAnalyzer implements INetlistAnalyzer {
+public class SpiceAnalyzer extends AbstractNetlistAnalyzer implements INetlistAnalyzer {
 
   public SpiceAnalyzer() {
   }

diylc/diylc-library/src/test/java/org/diylc/netlist/GuitarAbstractNetlistAnalyzerTests.java

@@ -34,7 +34,7 @@ import org.diylc.netlist.Netlist;
 import org.diylc.netlist.Tree;
 import org.diylc.netlist.TreeException;
 
-public class GuitarNetlistAnalyzerTests {
+public class GuitarAbstractNetlistAnalyzerTests {
 
   @Test
   public void testOneSinglePickup() throws TreeException {

diylc/diylc-swing/src/main/java/org/diylc/utils/IconLoader.java

@@ -71,7 +71,7 @@ public enum IconLoader {
       SnapToComponents("snap_to_components.png"), SnapToNone("snap_to_none.png"), TraceProximity("trace_proximity.png"),
       ComponentLarge("component_large.png"), ImportNetlist("import_netlist.png"), SplashIC("splash_ic.png"), 
       ComponentPreferences("component_preferences.png"), ComponentReplace("component_replace.png"), Barcode("barcode.png"),
-      DocumentGerber("document_gerber.png"), DocumentX2("document_x2.png"), Export("export.png");
+      DocumentGerber("document_gerber.png"), DocumentX2("document_x2.png"), Export("export.png"), Multimeter("multimeter.png");
 
   protected String name;