allow null values

diy-layout-creator --username bancika@gmail.com/diylc-core/src/org/diylc/core/annotations/PositiveMeasureValidator.java

@@ -8,6 +8,8 @@ public class PositiveMeasureValidator implements IPropertyValidator {
 
 	@Override
 	public void validate(Object value) throws ValidationException {
+		if (value == null)
+			return;
 		if (value instanceof AbstractMeasure) {
 			AbstractMeasure measure = (AbstractMeasure) value;
 			if (measure.getValue() < 0) {

diy-layout-creator --username bancika@gmail.com/diylc-core/src/org/diylc/presenter/Presenter.java

@@ -58,7 +58,7 @@ public class Presenter implements IPlugInPort {
 	private static final Logger LOG = Logger.getLogger(Presenter.class);
 
 	public static final VersionNumber CURRENT_VERSION = new VersionNumber(3,
-			18, 0);
+			19, 0);
 	public static final String DEFAULTS_KEY_PREFIX = "default.";
 
 	public static final List<IDIYComponent<?>> EMPTY_SELECTION = Collections

diy-layout-creator --username bancika@gmail.com/diylc-library/src/org/diylc/components/passive/AbstractPotentiometer.java

@@ -6,6 +6,7 @@ import org.diylc.common.Orientation;
 import org.diylc.components.AbstractTransparentComponent;
 import org.diylc.core.VisibilityPolicy;
 import org.diylc.core.annotations.EditableProperty;
+import org.diylc.core.annotations.PositiveMeasureValidator;
 import org.diylc.core.measures.Resistance;
 
 public abstract class AbstractPotentiometer extends
@@ -50,8 +51,8 @@ public abstract class AbstractPotentiometer extends
 				+ taper.toString();
 	}
 
-	@EditableProperty
 	@Override
+	@EditableProperty(validatorClass = PositiveMeasureValidator.class)	
 	public Resistance getValue() {
 		return resistance;
 	}

diy-layout-creator --username bancika@gmail.com/diylc-library/src/org/diylc/components/passive/AxialElectrolyticCapacitor.java

@@ -14,6 +14,7 @@ import org.diylc.core.IDIYComponent;
 import org.diylc.core.Theme;
 import org.diylc.core.annotations.ComponentDescriptor;
 import org.diylc.core.annotations.EditableProperty;
+import org.diylc.core.annotations.PositiveMeasureValidator;
 import org.diylc.core.measures.Capacitance;
 import org.diylc.core.measures.Size;
 import org.diylc.core.measures.SizeUnit;
@@ -47,7 +48,7 @@ public class AxialElectrolyticCapacitor extends
 		this.borderColor = BORDER_COLOR;
 	}
 
-	@EditableProperty
+	@EditableProperty(validatorClass = PositiveMeasureValidator.class)
 	public Capacitance getValue() {
 		return value;
 	}

diy-layout-creator --username bancika@gmail.com/diylc-library/src/org/diylc/components/passive/AxialFilmCapacitor.java

@@ -10,6 +10,7 @@ import org.diylc.core.CreationMethod;
 import org.diylc.core.IDIYComponent;
 import org.diylc.core.annotations.ComponentDescriptor;
 import org.diylc.core.annotations.EditableProperty;
+import org.diylc.core.annotations.PositiveMeasureValidator;
 import org.diylc.core.measures.Capacitance;
 import org.diylc.core.measures.Size;
 import org.diylc.core.measures.SizeUnit;
@@ -40,7 +41,7 @@ public class AxialFilmCapacitor extends AbstractLeadedComponent<Capacitance> {
 		return true;
 	}
 
-	@EditableProperty
+	@EditableProperty(validatorClass = PositiveMeasureValidator.class)
 	public Capacitance getValue() {
 		return value;
 	}

diy-layout-creator --username bancika@gmail.com/diylc-library/src/org/diylc/components/passive/CapacitorSymbol.java

@@ -9,6 +9,7 @@ import org.diylc.core.CreationMethod;
 import org.diylc.core.IDIYComponent;
 import org.diylc.core.annotations.ComponentDescriptor;
 import org.diylc.core.annotations.EditableProperty;
+import org.diylc.core.annotations.PositiveMeasureValidator;
 import org.diylc.core.measures.Capacitance;
 import org.diylc.core.measures.Size;
 import org.diylc.core.measures.SizeUnit;
@@ -27,7 +28,7 @@ public class CapacitorSymbol extends AbstractSchematicLeadedSymbol<Capacitance>
 	private org.diylc.core.measures.Voltage voltageNew = null;
 	private boolean polarized = false;
 
-	@EditableProperty
+	@EditableProperty(validatorClass = PositiveMeasureValidator.class)
 	public Capacitance getValue() {
 		return value;
 	}

diy-layout-creator --username bancika@gmail.com/diylc-library/src/org/diylc/components/passive/InductorSymbol.java

@@ -9,6 +9,7 @@ import org.diylc.core.CreationMethod;
 import org.diylc.core.IDIYComponent;
 import org.diylc.core.annotations.ComponentDescriptor;
 import org.diylc.core.annotations.EditableProperty;
+import org.diylc.core.annotations.PositiveMeasureValidator;
 import org.diylc.core.measures.Current;
 import org.diylc.core.measures.Inductance;
 import org.diylc.core.measures.Resistance;
@@ -28,7 +29,7 @@ public class InductorSymbol extends AbstractSchematicLeadedSymbol<Inductance> {
 	private Resistance resistance = null;
 	private boolean core = false;
 
-	@EditableProperty
+	@EditableProperty(validatorClass = PositiveMeasureValidator.class)
 	public Inductance getValue() {
 		return value;
 	}

diy-layout-creator --username bancika@gmail.com/diylc-library/src/org/diylc/components/passive/RadialCeramicDiskCapacitor.java

@@ -10,6 +10,7 @@ import org.diylc.core.CreationMethod;
 import org.diylc.core.IDIYComponent;
 import org.diylc.core.annotations.ComponentDescriptor;
 import org.diylc.core.annotations.EditableProperty;
+import org.diylc.core.annotations.PositiveMeasureValidator;
 import org.diylc.core.measures.Capacitance;
 import org.diylc.core.measures.Size;
 import org.diylc.core.measures.SizeUnit;
@@ -35,7 +36,7 @@ public class RadialCeramicDiskCapacitor extends AbstractRadialComponent<Capacita
 		this.borderColor = BORDER_COLOR;
 	}
 
-	@EditableProperty
+	@EditableProperty(validatorClass = PositiveMeasureValidator.class)
 	public Capacitance getValue() {
 		return value;
 	}

diy-layout-creator --username bancika@gmail.com/diylc-library/src/org/diylc/components/passive/RadialElectrolytic.java

@@ -17,6 +17,7 @@ import org.diylc.core.IDIYComponent;
 import org.diylc.core.Theme;
 import org.diylc.core.annotations.ComponentDescriptor;
 import org.diylc.core.annotations.EditableProperty;
+import org.diylc.core.annotations.PositiveMeasureValidator;
 import org.diylc.core.measures.Capacitance;
 import org.diylc.core.measures.Size;
 import org.diylc.core.measures.SizeUnit;
@@ -53,7 +54,7 @@ public class RadialElectrolytic extends AbstractRadialComponent<Capacitance> {
 		this.borderColor = BORDER_COLOR;
 	}
 
-	@EditableProperty
+	@EditableProperty(validatorClass = PositiveMeasureValidator.class)
 	public Capacitance getValue() {
 		return value;
 	}

diy-layout-creator --username bancika@gmail.com/diylc-library/src/org/diylc/components/passive/RadialFilmCapacitor.java

@@ -10,6 +10,7 @@ import org.diylc.core.CreationMethod;
 import org.diylc.core.IDIYComponent;
 import org.diylc.core.annotations.ComponentDescriptor;
 import org.diylc.core.annotations.EditableProperty;
+import org.diylc.core.annotations.PositiveMeasureValidator;
 import org.diylc.core.measures.Capacitance;
 import org.diylc.core.measures.Size;
 import org.diylc.core.measures.SizeUnit;
@@ -35,7 +36,7 @@ public class RadialFilmCapacitor extends AbstractRadialComponent<Capacitance> {
 		this.borderColor = BORDER_COLOR;
 	}
 
-	@EditableProperty
+	@EditableProperty(validatorClass = PositiveMeasureValidator.class)
 	public Capacitance getValue() {
 		return value;
 	}

diy-layout-creator --username bancika@gmail.com/diylc-swing/update.xml

@@ -961,5 +961,21 @@
 			</changes>
 			<url>http://code.google.com/p/diy-layout-creator/downloads/list</url>
 		</org.diylc.appframework.update.Version>
+		<org.diylc.appframework.update.Version>
+			<versionNumber>
+				<major>3</major>
+				<minor>19</minor>
+				<build>0</build>
+			</versionNumber>
+			<releaseDate>2012-09-24 20:00:00.000 CET</releaseDate>
+			<name></name>
+			<changes>
+				<org.diylc.appframework.update.Change>
+					<changeType>BUG_FIX</changeType>
+					<description>Cannot save a component template if value is not set</description>
+				</org.diylc.appframework.update.Change>				
+			</changes>
+			<url>http://code.google.com/p/diy-layout-creator/downloads/list</url>
+		</org.diylc.appframework.update.Version>
 	</a>
 </java.util.Arrays_-ArrayList>