Examples with LayoutBlockManager jmri.jmrit.display.layoutEditor.LayoutBlockManager used on opensource projects

Example 1 with LayoutBlockManager

use of jmri.jmrit.display.layoutEditor.LayoutBlockManager in project JMRI by JMRI.

the class Section method setAlternateColorFromActiveBlock.

/**
     * This function sets/resets the display to use alternate color for
     * unoccupied blocks in this section. If the section already contains an
     * active block, then the alternative colour will be set from the active
     * block, if no active block is found or we are clearing the alternative
     * colour then all the blocks in the section will be set. If Layout Editor
     * panel is not present, Layout Blocks will not be present, and nothing will
     * be set.
     *
     * @param set true to use alternate unoccupied color; false otherwise
     */
public void setAlternateColorFromActiveBlock(boolean set) {
    LayoutBlockManager lbm = InstanceManager.getDefault(LayoutBlockManager.class);
    boolean beenSet = false;
    if (!set || getState() == FREE || getState() == UNKNOWN) {
        setAlternateColor(set);
    } else if (getState() == FORWARD) {
        for (int i = 0; i < mBlockEntries.size(); i++) {
            Block b = mBlockEntries.get(i);
            if (b.getState() == Block.OCCUPIED) {
                beenSet = true;
            }
            if (beenSet) {
                LayoutBlock lb = lbm.getByUserName(b.getUserName());
                if (lb != null) {
                    lb.setUseExtraColor(set);
                }
            }
        }
    } else if (getState() == REVERSE) {
        for (int i = mBlockEntries.size(); i < 0; i--) {
            Block b = mBlockEntries.get(i);
            if (b.getState() == Block.OCCUPIED) {
                beenSet = true;
            }
            if (beenSet) {
                LayoutBlock lb = lbm.getByUserName(b.getUserName());
                if (lb != null) {
                    lb.setUseExtraColor(set);
                }
            }
        }
    }
    if (!beenSet) {
        setAlternateColor(set);
    }
}

Example 2 with LayoutBlockManager

use of jmri.jmrit.display.layoutEditor.LayoutBlockManager in project JMRI by JMRI.

the class LayoutBlockManagerXml method replaceLayoutBlockManager.

/**
     * Replace the current LayoutBlockManager, if there is one, with one newly
     * created during a load operation. This is skipped if they are of the same
     * absolute type.
     */
protected void replaceLayoutBlockManager() {
    if (InstanceManager.getDefault(LayoutBlockManager.class).getClass().getName().equals(LayoutBlockManager.class.getName())) {
        return;
    }
    // if old manager exists, remove it from configuration process
    if (InstanceManager.getNullableDefault(LayoutBlockManager.class) != null) {
        InstanceManager.getDefault(jmri.ConfigureManager.class).deregister(InstanceManager.getDefault(LayoutBlockManager.class));
    }
    // register new one with InstanceManager
    LayoutBlockManager pManager = LayoutBlockManager.instance();
    InstanceManager.store(pManager, jmri.jmrit.display.layoutEditor.LayoutBlockManager.class);
    // register new one for configuration
    ConfigureManager cm = InstanceManager.getNullableDefault(jmri.ConfigureManager.class);
    if (cm != null) {
        cm.registerConfig(pManager, jmri.Manager.LAYOUTBLOCKS);
    }
}

Example 3 with LayoutBlockManager

use of jmri.jmrit.display.layoutEditor.LayoutBlockManager in project JMRI by JMRI.

the class LayoutBlockManagerXml method loadLayoutBlocks.

/**
     * Utility method to load the individual LayoutBlock objects. If there's no
     * additional info needed for a specific layoutblock type, invoke this with
     * the parent of the set of layoutblock elements.
     *
     * @param layoutblocks Element containing the layoutblock elements to load.
     */
public void loadLayoutBlocks(Element layoutblocks) {
    LayoutBlockManager tm = InstanceManager.getDefault(LayoutBlockManager.class);
    if (layoutblocks.getAttribute("blockrouting") != null) {
        if (layoutblocks.getAttribute("blockrouting").getValue().equals("yes")) {
            tm.enableAdvancedRouting(true);
        }
    }
    if (layoutblocks.getAttribute("routingStablisedSensor") != null) {
        try {
            tm.setStabilisedSensor(layoutblocks.getAttribute("routingStablisedSensor").getValue());
        } catch (jmri.JmriException e) {
        }
    }
    List<Element> layoutblockList = layoutblocks.getChildren("layoutblock");
    if (log.isDebugEnabled()) {
        log.debug("Found " + layoutblockList.size() + " layoutblocks");
    }
    for (int i = 0; i < layoutblockList.size(); i++) {
        String sysName = getSystemName(layoutblockList.get(i));
        if (sysName == null) {
            log.warn("unexpected null in systemName " + ((layoutblockList.get(i))) + " " + ((layoutblockList.get(i))).getAttributes());
            break;
        }
        String userName = getUserName(layoutblockList.get(i));
        LayoutBlock b = tm.createNewLayoutBlock(sysName, userName);
        // load common parts
        loadCommon(b, layoutblockList.get(i));
        if (b != null) {
            // set attributes
            Color color = ColorUtil.stringToColor(((layoutblockList.get(i))).getAttribute("trackcolor").getValue());
            b.setBlockTrackColor(color);
            color = ColorUtil.stringToColor(((layoutblockList.get(i))).getAttribute("occupiedcolor").getValue());
            b.setBlockOccupiedColor(color);
            Attribute a = ((layoutblockList.get(i))).getAttribute("extracolor");
            if (a != null) {
                b.setBlockExtraColor(ColorUtil.stringToColor(a.getValue()));
            }
            a = ((layoutblockList.get(i))).getAttribute("occupancysensor");
            if (a != null) {
                b.setOccupancySensorName(a.getValue());
            }
            a = ((layoutblockList.get(i))).getAttribute("memory");
            if (a != null) {
                b.setMemoryName(a.getValue());
            }
            a = ((layoutblockList.get(i))).getAttribute("occupancysensorsense");
            int sense = Sensor.ACTIVE;
            try {
                sense = ((layoutblockList.get(i))).getAttribute("occupiedsense").getIntValue();
            } catch (org.jdom2.DataConversionException e) {
                log.error("failed to convert occupiedsense attribute");
            }
            b.setOccupiedSense(sense);
            if (((layoutblockList.get(i))).getChild("metric") != null) {
                String stMetric = ((layoutblockList.get(i))).getChild("metric").getText();
                try {
                    b.setBlockMetric(Integer.valueOf(stMetric));
                } catch (java.lang.NumberFormatException e) {
                    log.error("failed to convert metric attribute for block " + b.getDisplayName());
                }
            }
        }
    }
}

Example 4 with LayoutBlockManager

use of jmri.jmrit.display.layoutEditor.LayoutBlockManager in project JMRI by JMRI.

the class InstanceManagerTest method testLayoutBlockManager.

//
// Tests of individual types, to make sure they
// properly create defaults
//
public void testLayoutBlockManager() {
    LayoutBlockManager obj = InstanceManager.getDefault(LayoutBlockManager.class);
    Assert.assertNotNull(obj);
    Assert.assertEquals(obj, InstanceManager.getDefault(LayoutBlockManager.class));
    Assert.assertEquals(obj, InstanceManager.getDefault(LayoutBlockManager.class));
    Assert.assertEquals(obj, InstanceManager.getDefault(LayoutBlockManager.class));
}

Example 5 with LayoutBlockManager

use of jmri.jmrit.display.layoutEditor.LayoutBlockManager in project JMRI by JMRI.

the class Section method placeDirectionSensors.

/**
     * Places direction sensors in SSL for all Signal Heads in this Section if
     * the Sensors are not already present in the SSL. Only anchor point block
     * boundaries that have assigned signals are considered. Only turnouts that
     * have assigned signals are considered. Only level crossings that have
     * assigned signals are considered. Turnouts and anchor points without
     * signals are counted, and reported in warning messages during this
     * procedure, if there are any missing signals. If this method has trouble,
     * an error message is placed in the log describing the trouble.
     *
     * @param panel the panel to place direction sensors on
     * @return the number or errors placing sensors; 1 is returned if no
     *         direction sensor is defined for this section
     */
public int placeDirectionSensors(LayoutEditor panel) {
    int missingSignalsBB = 0;
    int missingSignalsTurnouts = 0;
    int missingSignalsLevelXings = 0;
    int errorCount = 0;
    if (panel == null) {
        log.error("Null Layout Editor panel on call to 'placeDirectionSensors'");
        return 1;
    }
    if (initializationNeeded) {
        initializeBlocks();
    }
    if ((mForwardBlockingSensorName == null) || (mForwardBlockingSensorName.equals("")) || (mReverseBlockingSensorName == null) || (mReverseBlockingSensorName.equals(""))) {
        log.error("Missing direction sensor in Section " + getSystemName());
        return 1;
    }
    LayoutBlockManager layoutBlockManager = InstanceManager.getDefault(LayoutBlockManager.class);
    ConnectivityUtil cUtil = panel.getConnectivityUtil();
    for (int i = 0; i < mBlockEntries.size(); i++) {
        Block cBlock = mBlockEntries.get(i);
        LayoutBlock lBlock = layoutBlockManager.getByUserName(cBlock.getUserName());
        ArrayList<PositionablePoint> anchorList = cUtil.getAnchorBoundariesThisBlock(cBlock);
        for (int j = 0; j < anchorList.size(); j++) {
            PositionablePoint p = anchorList.get(j);
            if ((!p.getEastBoundSignal().equals("")) && (!p.getWestBoundSignal().equals(""))) {
                // have a signalled block boundary
                SignalHead sh = cUtil.getSignalHeadAtAnchor(p, cBlock, false);
                if (sh == null) {
                    log.warn("Unexpected missing signal head at boundary of Block " + cBlock.getUserName());
                    errorCount++;
                } else {
                    int direction = cUtil.getDirectionFromAnchor(mForwardEntryPoints, mReverseEntryPoints, p);
                    if (direction == EntryPoint.UNKNOWN) {
                        // anchor is at a Block boundary within the Section
                        sh = cUtil.getSignalHeadAtAnchor(p, cBlock, true);
                        Block otherBlock = ((p.getConnect1()).getLayoutBlock()).getBlock();
                        if (otherBlock == cBlock) {
                            otherBlock = ((p.getConnect2()).getLayoutBlock()).getBlock();
                        }
                        if (getBlockSequenceNumber(cBlock) < getBlockSequenceNumber(otherBlock)) {
                            direction = EntryPoint.FORWARD;
                        } else {
                            direction = EntryPoint.REVERSE;
                        }
                    }
                    if (!checkDirectionSensor(sh, direction, ConnectivityUtil.OVERALL, cUtil)) {
                        errorCount++;
                    }
                }
            } else {
                errorCount++;
                missingSignalsBB++;
            }
        }
        ArrayList<LevelXing> xingList = cUtil.getLevelCrossingsThisBlock(cBlock);
        for (int k = 0; k < xingList.size(); k++) {
            LevelXing x = xingList.get(k);
            LayoutBlock alBlock = ((TrackSegment) x.getConnectA()).getLayoutBlock();
            LayoutBlock blBlock = ((TrackSegment) x.getConnectB()).getLayoutBlock();
            LayoutBlock clBlock = ((TrackSegment) x.getConnectC()).getLayoutBlock();
            LayoutBlock dlBlock = ((TrackSegment) x.getConnectD()).getLayoutBlock();
            if (cUtil.isInternalLevelXingAC(x, cBlock)) {
                // have an internal AC level crossing - is it signaled?
                if (((x.getSignalAName() != null) && (!x.getSignalAName().equals(""))) || ((x.getSignalCName() != null) && (!x.getSignalCName().equals("")))) {
                    // have a signaled AC level crossing internal to this block
                    if ((x.getSignalAName() != null) && (!x.getSignalAName().equals(""))) {
                        // there is a signal at A in the level crossing
                        TrackNode tn = new TrackNode(x, LayoutTrack.LEVEL_XING_A, (TrackSegment) x.getConnectA(), false, 0);
                        TrackNode altNode = new TrackNode(x, LayoutTrack.LEVEL_XING_C, (TrackSegment) x.getConnectC(), false, 0);
                        SignalHead sh = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(x.getSignalAName());
                        if (!setDirectionSensorByConnectivity(tn, altNode, sh, cBlock, cUtil)) {
                            errorCount++;
                        }
                    }
                    if ((x.getSignalCName() != null) && (!x.getSignalCName().equals(""))) {
                        // there is a signal at C in the level crossing
                        TrackNode tn = new TrackNode(x, LayoutTrack.LEVEL_XING_C, (TrackSegment) x.getConnectC(), false, 0);
                        TrackNode altNode = new TrackNode(x, LayoutTrack.LEVEL_XING_A, (TrackSegment) x.getConnectA(), false, 0);
                        SignalHead sh = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(x.getSignalCName());
                        if (!setDirectionSensorByConnectivity(tn, altNode, sh, cBlock, cUtil)) {
                            errorCount++;
                        }
                    }
                }
            } else if (alBlock == lBlock) {
                // have a level crossing with AC spanning a block boundary, with A in this Block
                int direction = getDirectionForBlocks(alBlock, clBlock);
                if (direction != EntryPoint.UNKNOWN) {
                    if ((x.getSignalCName() != null) && (!x.getSignalCName().equals(""))) {
                        SignalHead sh = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(x.getSignalCName());
                        if (!checkDirectionSensor(sh, direction, ConnectivityUtil.OVERALL, cUtil)) {
                            errorCount++;
                        }
                    }
                } else {
                    errorCount++;
                }
            } else if (clBlock == lBlock) {
                // have a level crossing with AC spanning a block boundary, with C in this Block
                int direction = getDirectionForBlocks(clBlock, alBlock);
                if (direction != EntryPoint.UNKNOWN) {
                    if ((x.getSignalAName() != null) && (!x.getSignalAName().equals(""))) {
                        SignalHead sh = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(x.getSignalAName());
                        if (!checkDirectionSensor(sh, direction, ConnectivityUtil.OVERALL, cUtil)) {
                            errorCount++;
                        }
                    }
                } else {
                    errorCount++;
                }
            }
            if (cUtil.isInternalLevelXingBD(x, cBlock)) {
                // have an internal BD level crossing - is it signaled?
                if (((x.getSignalBName() != null) && (!x.getSignalBName().equals(""))) || ((x.getSignalDName() != null) && (!x.getSignalDName().equals("")))) {
                    // have a signaled BD level crossing internal to this block
                    if ((x.getSignalBName() != null) && (!x.getSignalBName().equals(""))) {
                        // there is a signal at B in the level crossing
                        TrackNode tn = new TrackNode(x, LayoutTrack.LEVEL_XING_B, (TrackSegment) x.getConnectB(), false, 0);
                        TrackNode altNode = new TrackNode(x, LayoutTrack.LEVEL_XING_D, (TrackSegment) x.getConnectD(), false, 0);
                        SignalHead sh = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(x.getSignalBName());
                        if (!setDirectionSensorByConnectivity(tn, altNode, sh, cBlock, cUtil)) {
                            errorCount++;
                        }
                    }
                    if ((x.getSignalDName() != null) && (!x.getSignalDName().equals(""))) {
                        // there is a signal at C in the level crossing
                        TrackNode tn = new TrackNode(x, LayoutTrack.LEVEL_XING_D, (TrackSegment) x.getConnectD(), false, 0);
                        TrackNode altNode = new TrackNode(x, LayoutTrack.LEVEL_XING_B, (TrackSegment) x.getConnectB(), false, 0);
                        SignalHead sh = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(x.getSignalDName());
                        if (!setDirectionSensorByConnectivity(tn, altNode, sh, cBlock, cUtil)) {
                            errorCount++;
                        }
                    }
                }
            } else if (blBlock == lBlock) {
                // have a level crossing with BD spanning a block boundary, with B in this Block
                int direction = getDirectionForBlocks(blBlock, dlBlock);
                if (direction != EntryPoint.UNKNOWN) {
                    if ((x.getSignalDName() != null) && (!x.getSignalDName().equals(""))) {
                        SignalHead sh = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(x.getSignalDName());
                        if (!checkDirectionSensor(sh, direction, ConnectivityUtil.OVERALL, cUtil)) {
                            errorCount++;
                        }
                    }
                } else {
                    errorCount++;
                }
            } else if (dlBlock == lBlock) {
                // have a level crossing with BD spanning a block boundary, with D in this Block
                int direction = getDirectionForBlocks(dlBlock, blBlock);
                if (direction != EntryPoint.UNKNOWN) {
                    if ((x.getSignalBName() != null) && (!x.getSignalBName().equals(""))) {
                        SignalHead sh = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(x.getSignalBName());
                        if (!checkDirectionSensor(sh, direction, ConnectivityUtil.OVERALL, cUtil)) {
                            errorCount++;
                        }
                    }
                } else {
                    errorCount++;
                }
            }
        }
        ArrayList<LayoutTurnout> turnoutList = cUtil.getLayoutTurnoutsThisBlock(cBlock);
        for (int m = 0; m < turnoutList.size(); m++) {
            LayoutTurnout t = turnoutList.get(m);
            if (cUtil.layoutTurnoutHasRequiredSignals(t)) {
                // have a signalled turnout
                if ((t.getLinkType() == LayoutTurnout.NO_LINK) && ((t.getTurnoutType() == LayoutTurnout.RH_TURNOUT) || (t.getTurnoutType() == LayoutTurnout.LH_TURNOUT) || (t.getTurnoutType() == LayoutTurnout.WYE_TURNOUT))) {
                    // standard turnout - nothing special
                    // Note: direction is for proceeding from the throat to either other track
                    int direction = getDirectionStandardTurnout(t, cUtil);
                    int altDirection = EntryPoint.FORWARD;
                    if (direction == EntryPoint.FORWARD) {
                        altDirection = EntryPoint.REVERSE;
                    }
                    if (direction == EntryPoint.UNKNOWN) {
                        errorCount++;
                    } else {
                        SignalHead aHead = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(t.getSignalA1Name());
                        SignalHead a2Head = null;
                        String a2Name = t.getSignalA2Name();
                        if ((a2Name != null) && (!a2Name.equals(""))) {
                            a2Head = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(a2Name);
                        }
                        SignalHead bHead = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(t.getSignalB1Name());
                        SignalHead cHead = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(t.getSignalC1Name());
                        if (t.getLayoutBlock().getBlock() == cBlock) {
                            // Note: need allocation to traverse this turnout
                            if (!checkDirectionSensor(aHead, direction, ConnectivityUtil.OVERALL, cUtil)) {
                                errorCount++;
                            }
                            if (a2Head != null) {
                                if (!checkDirectionSensor(a2Head, direction, ConnectivityUtil.OVERALL, cUtil)) {
                                    errorCount++;
                                }
                            }
                            if (!checkDirectionSensor(bHead, altDirection, ConnectivityUtil.OVERALL, cUtil)) {
                                errorCount++;
                            }
                            if (!checkDirectionSensor(cHead, altDirection, ConnectivityUtil.OVERALL, cUtil)) {
                                errorCount++;
                            }
                        } else {
                            if (((TrackSegment) t.getConnectA()).getLayoutBlock().getBlock() == cBlock) {
                                // throat Track Segment is in this Block
                                if (!checkDirectionSensor(bHead, altDirection, ConnectivityUtil.OVERALL, cUtil)) {
                                    errorCount++;
                                }
                                if (!checkDirectionSensor(cHead, altDirection, ConnectivityUtil.OVERALL, cUtil)) {
                                    errorCount++;
                                }
                            } else if (((t.getContinuingSense() == Turnout.CLOSED) && (((TrackSegment) t.getConnectB()).getLayoutBlock().getBlock() == cBlock)) || ((t.getContinuingSense() == Turnout.THROWN) && (((TrackSegment) t.getConnectC()).getLayoutBlock().getBlock() == cBlock))) {
                                //  diverging track segment is in this block, reverse continuing sense.
                                if (a2Head == null) {
                                    // single head at throat
                                    if (!checkDirectionSensor(aHead, direction, ConnectivityUtil.CONTINUING, cUtil)) {
                                        errorCount++;
                                    }
                                } else {
                                    // two heads at throat
                                    if (!checkDirectionSensor(aHead, direction, ConnectivityUtil.OVERALL, cUtil)) {
                                        errorCount++;
                                    }
                                }
                                if (!checkDirectionSensor(bHead, altDirection, ConnectivityUtil.OVERALL, cUtil)) {
                                    errorCount++;
                                }
                            } else if (((t.getContinuingSense() == Turnout.CLOSED) && (((TrackSegment) t.getConnectC()).getLayoutBlock().getBlock() == cBlock)) || ((t.getContinuingSense() == Turnout.THROWN) && (((TrackSegment) t.getConnectB()).getLayoutBlock().getBlock() == cBlock))) {
                                //  continuing track segment is in this block, reverse continuing sense.
                                if (a2Head == null) {
                                    // single head at throat
                                    if (!checkDirectionSensor(aHead, direction, ConnectivityUtil.DIVERGING, cUtil)) {
                                        errorCount++;
                                    }
                                } else {
                                    // two heads at throat
                                    if (!checkDirectionSensor(a2Head, direction, ConnectivityUtil.OVERALL, cUtil)) {
                                        errorCount++;
                                    }
                                }
                                if (!checkDirectionSensor(cHead, altDirection, ConnectivityUtil.OVERALL, cUtil)) {
                                    errorCount++;
                                }
                            }
                        }
                    }
                } else if (t.getLinkType() != LayoutTurnout.NO_LINK) {
                    // special linked turnout
                    LayoutTurnout tLinked = getLayoutTurnoutFromTurnoutName(t.getLinkedTurnoutName(), panel);
                    if (tLinked == null) {
                        log.error("null Layout Turnout linked to turnout " + t.getTurnout().getSystemName());
                    } else if (t.getLinkType() == LayoutTurnout.THROAT_TO_THROAT) {
                        SignalHead b1Head = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(t.getSignalB1Name());
                        SignalHead b2Head = null;
                        String hName = t.getSignalB2Name();
                        if ((hName != null) && (!hName.equals(""))) {
                            b2Head = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(hName);
                        }
                        SignalHead c1Head = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(t.getSignalC1Name());
                        SignalHead c2Head = null;
                        hName = t.getSignalC2Name();
                        if ((hName != null) && (!hName.equals(""))) {
                            c2Head = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(hName);
                        }
                        int direction = getDirectionStandardTurnout(t, cUtil);
                        int altDirection = EntryPoint.FORWARD;
                        if (direction == EntryPoint.FORWARD) {
                            altDirection = EntryPoint.REVERSE;
                        }
                        if (direction != EntryPoint.UNKNOWN) {
                            if (t.getLayoutBlock().getBlock() == cBlock) {
                                // Note: need allocation to traverse this turnout
                                if (!checkDirectionSensor(b1Head, altDirection, ConnectivityUtil.OVERALL, cUtil)) {
                                    errorCount++;
                                }
                                if (b2Head != null) {
                                    if (!checkDirectionSensor(b2Head, altDirection, ConnectivityUtil.OVERALL, cUtil)) {
                                        errorCount++;
                                    }
                                }
                                if (!checkDirectionSensor(c1Head, altDirection, ConnectivityUtil.OVERALL, cUtil)) {
                                    errorCount++;
                                }
                                if (c2Head != null) {
                                    if (!checkDirectionSensor(c2Head, altDirection, ConnectivityUtil.OVERALL, cUtil)) {
                                        errorCount++;
                                    }
                                }
                            } else {
                                // turnout is not in this block, switch to heads of linked turnout
                                b1Head = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(tLinked.getSignalB1Name());
                                hName = tLinked.getSignalB2Name();
                                b2Head = null;
                                if ((hName != null) && (!hName.equals(""))) {
                                    b2Head = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(hName);
                                }
                                c1Head = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(tLinked.getSignalC1Name());
                                c2Head = null;
                                hName = tLinked.getSignalC2Name();
                                if ((hName != null) && (!hName.equals(""))) {
                                    c2Head = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(hName);
                                }
                                if (((t.getContinuingSense() == Turnout.CLOSED) && (((TrackSegment) t.getConnectB()).getLayoutBlock().getBlock() == cBlock)) || ((t.getContinuingSense() == Turnout.THROWN) && (((TrackSegment) t.getConnectC()).getLayoutBlock().getBlock() == cBlock))) {
                                    // continuing track segment is in this block
                                    if (b2Head != null) {
                                        if (!checkDirectionSensor(b1Head, direction, ConnectivityUtil.OVERALL, cUtil)) {
                                            errorCount++;
                                        }
                                    } else {
                                        if (!checkDirectionSensor(b1Head, direction, ConnectivityUtil.CONTINUING, cUtil)) {
                                            errorCount++;
                                        }
                                    }
                                    if (c2Head != null) {
                                        if (!checkDirectionSensor(c1Head, direction, ConnectivityUtil.OVERALL, cUtil)) {
                                            errorCount++;
                                        }
                                    } else {
                                        if (!checkDirectionSensor(c1Head, direction, ConnectivityUtil.CONTINUING, cUtil)) {
                                            errorCount++;
                                        }
                                    }
                                } else if (((t.getContinuingSense() == Turnout.CLOSED) && (((TrackSegment) t.getConnectC()).getLayoutBlock().getBlock() == cBlock)) || ((t.getContinuingSense() == Turnout.THROWN) && (((TrackSegment) t.getConnectB()).getLayoutBlock().getBlock() == cBlock))) {
                                    // diverging track segment is in this block
                                    if (b2Head != null) {
                                        if (!checkDirectionSensor(b2Head, direction, ConnectivityUtil.OVERALL, cUtil)) {
                                            errorCount++;
                                        }
                                    } else {
                                        if (!checkDirectionSensor(b1Head, direction, ConnectivityUtil.DIVERGING, cUtil)) {
                                            errorCount++;
                                        }
                                    }
                                    if (c2Head != null) {
                                        if (!checkDirectionSensor(c2Head, direction, ConnectivityUtil.OVERALL, cUtil)) {
                                            errorCount++;
                                        }
                                    } else {
                                        if (!checkDirectionSensor(c1Head, direction, ConnectivityUtil.DIVERGING, cUtil)) {
                                            errorCount++;
                                        }
                                    }
                                }
                            }
                        }
                    } else if (t.getLinkType() == LayoutTurnout.FIRST_3_WAY) {
                        SignalHead a1Head = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(t.getSignalA1Name());
                        SignalHead a2Head = null;
                        String hName = t.getSignalA2Name();
                        if ((hName != null) && (!hName.equals(""))) {
                            a2Head = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(hName);
                        }
                        SignalHead a3Head = null;
                        hName = t.getSignalA3Name();
                        if ((hName != null) && (!hName.equals(""))) {
                            a3Head = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(hName);
                        }
                        SignalHead cHead = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(t.getSignalC1Name());
                        int direction = getDirectionStandardTurnout(t, cUtil);
                        int altDirection = EntryPoint.FORWARD;
                        if (direction == EntryPoint.FORWARD) {
                            altDirection = EntryPoint.REVERSE;
                        }
                        if (direction != EntryPoint.UNKNOWN) {
                            if (t.getLayoutBlock().getBlock() == cBlock) {
                                // Note: need allocation to traverse this turnout
                                if (!checkDirectionSensor(a1Head, direction, ConnectivityUtil.OVERALL, cUtil)) {
                                    errorCount++;
                                }
                                if ((a2Head != null) && (a3Head != null)) {
                                    if (!checkDirectionSensor(a2Head, direction, ConnectivityUtil.OVERALL, cUtil)) {
                                        errorCount++;
                                    }
                                    if (!checkDirectionSensor(a3Head, direction, ConnectivityUtil.OVERALL, cUtil)) {
                                        errorCount++;
                                    }
                                }
                                if (!checkDirectionSensor(cHead, altDirection, ConnectivityUtil.OVERALL, cUtil)) {
                                    errorCount++;
                                }
                            } else {
                                // turnout is not in this block
                                if (((TrackSegment) t.getConnectA()).getLayoutBlock().getBlock() == cBlock) {
                                    // throat Track Segment is in this Block
                                    if (!checkDirectionSensor(cHead, altDirection, ConnectivityUtil.OVERALL, cUtil)) {
                                        errorCount++;
                                    }
                                } else if (((TrackSegment) t.getConnectC()).getLayoutBlock().getBlock() == cBlock) {
                                    // diverging track segment is in this Block
                                    if (a2Head != null) {
                                        if (!checkDirectionSensor(a2Head, direction, ConnectivityUtil.OVERALL, cUtil)) {
                                            errorCount++;
                                        }
                                    } else {
                                        if (!checkDirectionSensor(a1Head, direction, ConnectivityUtil.DIVERGING, cUtil)) {
                                            errorCount++;
                                        }
                                    }
                                }
                            }
                        }
                    } else if (t.getLinkType() == LayoutTurnout.SECOND_3_WAY) {
                        SignalHead bHead = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(t.getSignalB1Name());
                        SignalHead cHead = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(t.getSignalC1Name());
                        SignalHead a1Head = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(tLinked.getSignalA1Name());
                        SignalHead a3Head = null;
                        String hName = tLinked.getSignalA3Name();
                        if ((hName != null) && (!hName.equals(""))) {
                            a3Head = InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(hName);
                        }
                        int direction = getDirectionStandardTurnout(t, cUtil);
                        int altDirection = EntryPoint.FORWARD;
                        if (direction == EntryPoint.FORWARD) {
                            altDirection = EntryPoint.REVERSE;
                        }
                        if (direction != EntryPoint.UNKNOWN) {
                            if (t.getLayoutBlock().getBlock() == cBlock) {
                                // Note: need allocation to traverse this turnout
                                if (!checkDirectionSensor(bHead, altDirection, ConnectivityUtil.OVERALL, cUtil)) {
                                    errorCount++;
                                }
                                if (!checkDirectionSensor(cHead, altDirection, ConnectivityUtil.OVERALL, cUtil)) {
                                    errorCount++;
                                }
                            }
                            if (((TrackSegment) t.getConnectC()).getLayoutBlock().getBlock() == cBlock) {
                                // diverging track segment is in this Block
                                if (a3Head != null) {
                                    if (!checkDirectionSensor(a3Head, direction, ConnectivityUtil.OVERALL, cUtil)) {
                                        errorCount++;
                                    }
                                } else {
                                    log.warn("Turnout " + tLinked.getTurnoutName() + " - SSL for head " + a1Head.getSystemName() + " cannot handle direction sensor for second diverging track.");
                                    errorCount++;
                                }
                            } else if (((TrackSegment) t.getConnectB()).getLayoutBlock().getBlock() == cBlock) {
                                // continuing track segment is in this Block
                                if (a3Head != null) {
                                    if (!checkDirectionSensor(a1Head, direction, ConnectivityUtil.OVERALL, cUtil)) {
                                        errorCount++;
                                    }
                                } else {
                                    if (!checkDirectionSensor(a1Head, direction, ConnectivityUtil.CONTINUING, cUtil)) {
                                        errorCount++;
                                    }
                                }
                            }
                        }
                    }
                } else if ((t.getTurnoutType() == LayoutTurnout.RH_XOVER) || (t.getTurnoutType() == LayoutTurnout.LH_XOVER) || (t.getTurnoutType() == LayoutTurnout.DOUBLE_XOVER)) {
                    // crossover turnout
                    // Note: direction is for proceeding from A to B (or D to C)
                    int direction = getDirectionXoverTurnout(t, cUtil);
                    int altDirection = EntryPoint.FORWARD;
                    if (direction == EntryPoint.FORWARD) {
                        altDirection = EntryPoint.REVERSE;
                    }
                    if (direction == EntryPoint.UNKNOWN) {
                        errorCount++;
                    } else {
                        if (((TrackSegment) t.getConnectA()).getLayoutBlock().getBlock() == cBlock) {
                            if ((t.getTurnoutType() == LayoutTurnout.DOUBLE_XOVER) || (t.getTurnoutType() == LayoutTurnout.RH_XOVER)) {
                                if (!placeSensorInCrossover(t.getSignalB1Name(), t.getSignalB2Name(), t.getSignalC1Name(), t.getSignalC2Name(), altDirection, cUtil)) {
                                    errorCount++;
                                }
                            } else {
                                if (!placeSensorInCrossover(t.getSignalB1Name(), t.getSignalB2Name(), null, null, altDirection, cUtil)) {
                                    errorCount++;
                                }
                            }
                        }
                        if (((TrackSegment) t.getConnectB()).getLayoutBlock().getBlock() == cBlock) {
                            if ((t.getTurnoutType() == LayoutTurnout.DOUBLE_XOVER) || (t.getTurnoutType() == LayoutTurnout.LH_XOVER)) {
                                if (!placeSensorInCrossover(t.getSignalA1Name(), t.getSignalA2Name(), t.getSignalD1Name(), t.getSignalD2Name(), direction, cUtil)) {
                                    errorCount++;
                                }
                            } else {
                                if (!placeSensorInCrossover(t.getSignalA1Name(), t.getSignalA2Name(), null, null, direction, cUtil)) {
                                    errorCount++;
                                }
                            }
                        }
                        if (((TrackSegment) t.getConnectC()).getLayoutBlock().getBlock() == cBlock) {
                            if ((t.getTurnoutType() == LayoutTurnout.DOUBLE_XOVER) || (t.getTurnoutType() == LayoutTurnout.RH_XOVER)) {
                                if (!placeSensorInCrossover(t.getSignalD1Name(), t.getSignalD2Name(), t.getSignalA1Name(), t.getSignalA2Name(), direction, cUtil)) {
                                    errorCount++;
                                }
                            } else {
                                if (!placeSensorInCrossover(t.getSignalD1Name(), t.getSignalD2Name(), null, null, direction, cUtil)) {
                                    errorCount++;
                                }
                            }
                        }
                        if (((TrackSegment) t.getConnectD()).getLayoutBlock().getBlock() == cBlock) {
                            if ((t.getTurnoutType() == LayoutTurnout.DOUBLE_XOVER) || (t.getTurnoutType() == LayoutTurnout.LH_XOVER)) {
                                if (!placeSensorInCrossover(t.getSignalC1Name(), t.getSignalC2Name(), t.getSignalB1Name(), t.getSignalB2Name(), altDirection, cUtil)) {
                                    errorCount++;
                                }
                            } else {
                                if (!placeSensorInCrossover(t.getSignalC1Name(), t.getSignalC2Name(), null, null, altDirection, cUtil)) {
                                    errorCount++;
                                }
                            }
                        }
                    }
                } else if (t.getTurnoutType() == LayoutSlip.SINGLE_SLIP || t.getTurnoutType() == LayoutSlip.DOUBLE_SLIP) {
                    int direction = getDirectionSlip((LayoutSlip) t, cUtil);
                    int altDirection = EntryPoint.FORWARD;
                    if (direction == EntryPoint.FORWARD) {
                        altDirection = EntryPoint.REVERSE;
                    }
                    if (direction == EntryPoint.UNKNOWN) {
                        errorCount++;
                    } else {
                        if (!checkDirectionSensor(InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(t.getSignalA1Name()), altDirection, ConnectivityUtil.OVERALL, cUtil)) {
                            errorCount++;
                        }
                        if (!checkDirectionSensor(InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(t.getSignalA2Name()), altDirection, ConnectivityUtil.OVERALL, cUtil)) {
                            errorCount++;
                        }
                        if (t.getTurnoutType() == LayoutSlip.SINGLE_SLIP) {
                            if (!checkDirectionSensor(InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(t.getSignalB1Name()), altDirection, ConnectivityUtil.OVERALL, cUtil)) {
                                errorCount++;
                            }
                        } else {
                            if (!checkDirectionSensor(InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(t.getSignalB1Name()), altDirection, ConnectivityUtil.OVERALL, cUtil)) {
                                errorCount++;
                            }
                            if (!checkDirectionSensor(InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(t.getSignalB2Name()), altDirection, ConnectivityUtil.OVERALL, cUtil)) {
                                errorCount++;
                            }
                        }
                        if (t.getTurnoutType() == LayoutSlip.SINGLE_SLIP) {
                            if (!checkDirectionSensor(InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(t.getSignalC1Name()), direction, ConnectivityUtil.OVERALL, cUtil)) {
                                errorCount++;
                            }
                        } else {
                            if (!checkDirectionSensor(InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(t.getSignalC1Name()), direction, ConnectivityUtil.OVERALL, cUtil)) {
                                errorCount++;
                            }
                            if (!checkDirectionSensor(InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(t.getSignalC2Name()), direction, ConnectivityUtil.OVERALL, cUtil)) {
                                errorCount++;
                            }
                        }
                        if (!checkDirectionSensor(InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(t.getSignalD1Name()), direction, ConnectivityUtil.OVERALL, cUtil)) {
                            errorCount++;
                        }
                        if (!checkDirectionSensor(InstanceManager.getDefault(jmri.SignalHeadManager.class).getSignalHead(t.getSignalD2Name()), direction, ConnectivityUtil.OVERALL, cUtil)) {
                            errorCount++;
                        }
                    }
                } else {
                    log.error("Unknown turnout type for turnout " + t.getTurnout().getSystemName() + " in Section " + getSystemName() + ".");
                    errorCount++;
                }
            } else {
                // signal heads missing in turnout
                missingSignalsTurnouts++;
            }
        }
    }
    // set up missing signal head message, if any
    if ((missingSignalsBB + missingSignalsTurnouts + missingSignalsLevelXings) > 0) {
        String s = "Section - " + getSystemName();
        String uname = getUserName();
        if ((uname != null) && (!uname.equals(""))) {
            s = s + "(" + uname + ")";
        }
        if (missingSignalsBB > 0) {
            s = s + ", " + (missingSignalsBB) + " anchor point signal heads missing";
        }
        if (missingSignalsTurnouts > 0) {
            s = s + ", " + (missingSignalsTurnouts) + " turnouts missing signals";
        }
        if (missingSignalsLevelXings > 0) {
            s = s + ", " + (missingSignalsLevelXings) + " level crossings missing signals";
        }
        log.warn(s);
    }
    return errorCount;
}