Examples with VariableValue jmri.jmrit.symbolicprog.VariableValue used on opensource projects

Example 16 with VariableValue

use of jmri.jmrit.symbolicprog.VariableValue in project JMRI by JMRI.

the class PaneProgPane method nextRead.

/**
     * If there are any more read operations to be done on this pane, do the
     * next one.
     * <P>
     * Each invocation of this method reads one variable or CV; completion of
     * that request will cause it to happen again, reading the next one, until
     * there's nothing left to read.
     * <P>
     * @return true is a read has been started, false if the pane is complete.
     */
boolean nextRead() {
    // look for possible variables
    if (log.isDebugEnabled()) {
        log.debug("nextRead scans " + varList.size() + " variables");
    }
    while ((varList.size() > 0) && (varListIndex < varList.size())) {
        int varNum = varList.get(varListIndex);
        int vState = _varModel.getState(varNum);
        VariableValue var = _varModel.getVariable(varNum);
        if (log.isDebugEnabled()) {
            log.debug("nextRead var index " + varNum + " state " + VariableValue.stateNameFromValue(vState) + " isToRead: " + var.isToRead() + " label: " + var.label());
        }
        varListIndex++;
        if (var.isToRead()) {
            if (log.isDebugEnabled()) {
                log.debug("start read of variable " + _varModel.getLabel(varNum));
            }
            executeRead(var);
            if (log.isDebugEnabled()) {
                log.debug("return from starting var read");
            }
            // only make one request at a time!
            return true;
        }
    }
    // found no variables needing read, try CVs
    if (log.isDebugEnabled()) {
        log.debug("nextRead scans " + cvList.size() + " CVs");
    }
    while (cvListIterator != null && cvListIterator.hasNext()) {
        int cvNum = cvListIterator.next();
        CvValue cv = _cvModel.getCvByRow(cvNum);
        if (log.isDebugEnabled()) {
            log.debug("nextRead cv index " + cvNum + " state " + cv.getState());
        }
        if (cv.isToRead()) {
            // always read UNKNOWN state
            if (log.isDebugEnabled()) {
                log.debug("start read of cv " + cvNum);
            }
            setBusy(true);
            if (_programmingCV != null) {
                log.error("listener already set at read start");
            }
            _programmingCV = _cvModel.getCvByRow(cvNum);
            _read = true;
            // get notified when that state changes so can repeat
            _programmingCV.addPropertyChangeListener(this);
            // and make the read request
            // _programmingCV.setToRead(false);  // CVs set this themselves
            _programmingCV.read(_cvModel.getStatusLabel());
            if (log.isDebugEnabled()) {
                log.debug("return from starting CV read");
            }
            // only make one request at a time!
            return true;
        }
    }
    // found no CVs needing read, try indexed CVs
    if (log.isDebugEnabled()) {
        log.debug("nextRead scans " + indexedCvList.size() + " indexed CVs");
    }
    while ((indexedCvList.size() > 0) && (indexedCvListIndex < indexedCvList.size())) {
        int indxVarNum = indexedCvList.get(indexedCvListIndex);
        int indxState = _varModel.getState(indxVarNum);
        if (log.isDebugEnabled()) {
            log.debug("nextRead indexed cv @ row index " + indexedCvListIndex + " state " + indxState);
        }
        VariableValue iCv = _varModel.getVariable(indxVarNum);
        indexedCvListIndex++;
        if (iCv.isToRead()) {
            String sz = "start read of indexed cv " + (_indexedCvModel.getCvByRow(indexedCvListIndex - 1)).cvName();
            if (log.isDebugEnabled()) {
                log.debug(sz);
            }
            setBusy(true);
            if (_programmingIndexedCV != null) {
                log.error("listener already set at read start");
            }
            _programmingIndexedCV = _varModel.getVariable(indxVarNum);
            _read = true;
            // get notified when that state changes so can repeat
            _programmingIndexedCV.addPropertyChangeListener(this);
            // and make the read request
            // _programmingIndexedCV.setToRead(false);  // CVs set this themselves
            _programmingIndexedCV.readAll();
            if (log.isDebugEnabled()) {
                log.debug("return from starting indexed CV read");
            }
            // only make one request at a time!
            return true;
        }
    }
    // nothing to program, end politely
    if (log.isDebugEnabled()) {
        log.debug("nextRead found nothing to do");
    }
    readChangesButton.setSelected(false);
    // reset both, as that's final state we want
    readAllButton.setSelected(false);
    setBusy(false);
    container.paneFinished();
    return false;
}

Example 17 with VariableValue

use of jmri.jmrit.symbolicprog.VariableValue in project JMRI by JMRI.

the class PaneProgPane method getRepresentation.

/**
     * Get a GUI representation of a particular variable for display.
     *
     * @param name Name used to look up the Variable object
     * @param var  XML Element which might contain a "format" attribute to be
     *             used in the {@link VariableValue#getNewRep} call from the
     *             Variable object; "tooltip" elements are also processed here.
     * @return JComponent representing this variable
     */
public JComponent getRepresentation(String name, Element var) {
    int i = _varModel.findVarIndex(name);
    VariableValue variable = _varModel.getVariable(i);
    JComponent rep = null;
    String format = "default";
    Attribute attr;
    if ((attr = var.getAttribute("format")) != null && attr.getValue() != null) {
        format = attr.getValue();
    }
    if (i >= 0) {
        rep = getRep(i, format);
        rep.setMaximumSize(rep.getPreferredSize());
        // set tooltip if specified here & not overridden by defn in Variable
        String tip = LocaleSelector.getAttribute(var, "tooltip");
        if (rep.getToolTipText() != null) {
            tip = rep.getToolTipText();
        }
        rep.setToolTipText(modifyToolTipText(tip, variable));
    }
    return rep;
}