com.nomagic.magicdraw.properties

Class Property

java.lang.Object

com.nomagic.magicdraw.properties.Property

All Implemented Interfaces:

PropertyVisitorAcceptor, java.lang.Cloneable

Direct Known Subclasses:

AbstractChoiceProperty, BooleanProperty, ColorProperty, ElementProperty, FileProperty, FontProperty, com.nomagic.magicdraw.properties.ListProperty, NumberProperty, PageFormatProperty, StringProperty, TypeProperty

@OpenApiAll
public class Property
extends java.lang.Object
implements java.lang.Cloneable, PropertyVisitorAcceptor

This class represents some property with some value. This is based class, specific type properties must be derived from this class.

Field Summary

Fields

Modifier and Type	Field and Description
protected static PropertyResourceProvider	DEFAULT_PROPERTY_RESOURCE_PROVIDER Default property resource provider.
static java.lang.String	EDITABLE "Editable" property name
protected java.lang.Object	mValue The value of the property.
static java.lang.String	NULL Representation of null value as string.
static PropertyResourceProvider	NULL_ID_PROPERTY_RESOURCE_PROVIDER A resource provider which does not try to translate property ID.
static java.lang.String	UNDEFINED Property "undefined" state literal.
static java.lang.String	VALUE "Value" property name

Constructor Summary

Constructors

Constructor and Description
Property() Constructs new property.
Property(java.lang.String id, java.lang.Object value) The property constructor.

Method Summary

Modifier and Type	Method and Description
boolean	_isFrozen()
void	_setFrozen(boolean frozen) This is an internal api method to mark property as frozen.
void	accept(PropertyVisitor v) Accepts the given visitor.
void	addPropertyChangeListener(java.beans.PropertyChangeListener listener) Delegates addPropertyChangeListener to the PropertyChangeSupport, the member of this class, which adds a PropertyChangeListener to the listener list.
void	addSource(java.lang.Object source) Add source object to a project.
void	addSources(java.util.Collection<?> sources) Append given sources to already existing ones.
protected boolean	areValuesEqual(java.lang.Object oldValue, java.lang.Object newValue) Check if values are equal before setting new value.
Property	clone() Clones the property.
javax.swing.CellEditor	createCellEditor(com.nomagic.magicdraw.properties.ui.jideui.RendererEditorFactory factory) Returns the cell editor which edits this property in swing table.
javax.swing.table.TableCellRenderer	createTableCellRenderer(com.nomagic.magicdraw.properties.ui.jideui.RendererEditorFactory factory) Returns the cell renderer which renders this property in swing table.
boolean	equals(java.lang.Object o) Properties are equal if their id are equals.
void	firePropertyChange(java.lang.String propertyName, java.lang.Object oldValue, java.lang.Object newValue) Delegates firePropertyChange to the PropertyChangeSupport, the member of this class, which reports a bound property update to any registered listeners.
static java.lang.String	generateDefaultDescriptionID(Property property) Generates default property description id from property id
java.util.Map<java.lang.String,java.lang.Object>	getAdditionalProperties() Return a map structure of attached tags to this property.
java.lang.Object	getAdditionalProperty(java.lang.String tag) Return attached "tag" like string value
java.lang.String	getClassType() Returns property class type.
java.lang.String	getDescription() Returns property description from resource provider by property description id.
java.lang.String	getDescriptionID() Returns property description ID.
Element	getFirstElementFromSources() Looks for a first Element among sources.
java.lang.String	getGroup() Returns group name for property.
java.lang.String	getID() Returns property id.
java.lang.String	getIntroductoryVersion() Get application version the property was introduced in.
java.lang.String	getName() Returns name of the property.
java.lang.String	getNonEditableReason() Returns the property reason
Project	getProjectFromSourcesOrActive() Looks for a project of property's sources
java.lang.String	getPureDescription() Returns pure description - does not goes into resource provider.
PropertyResourceProvider	getResourceProvider() Returns PropertyResourceProvider.
java.lang.String	getResourceProviderID() Returns Resource provider ID.
Element	getSourceAsElement() Returns source as Element if property has just one source and that source is an Element
java.util.Collection<?>	getSources() Return a collection of property sources.
java.util.stream.Stream<java.lang.Object>	getSourcesAsStream() Return a stream of property sources.
static java.lang.String	getUndefinedString() Returns representation string for "undefined" property state
static java.lang.String	getUndefinedString(Property property) Returns representation string for "undefined" property state.
java.lang.Object	getValue() Returns properties value.
java.lang.String	getValueStringRepresentation() Returns value's string representation.
int	hashCode() The hash code will be the same as ID's hash code.
boolean	isEditable() Gets mEnabled flag's value.
boolean	isUndefinedState() Returns value undefined state flag.
void	removePropertyChangeListener(java.beans.PropertyChangeListener listener) Delegates removePropertyChangeListener to the PropertyChangeSupport, the member of this class, which removes a PropertyChangeListener from the listener list.
void	setAdditionalProperties(java.util.Map<java.lang.String,java.lang.Object> tags) Replace current tags with a new ones
void	setAdditionalProperty(java.lang.String key, java.lang.Object value) Attach tag like key-value information to a property
void	setDescription(java.lang.String description) Set property description
void	setDescriptionID(java.lang.String descriptionID) Set property description ID.
void	setEditable(boolean editable) Set mEnabled flag's value.
void	setGroup(java.lang.String group) Sets new group name.
void	setID(java.lang.String id) Sets property id.
void	setIntroductoryVersion(java.lang.String introductoryVersion) Set application version property is introduced in.
void	setNonEditableReason(java.lang.String reason) Sets the property reason
void	setResourceProvider(PropertyResourceProvider provider) Sets PropertyResourceProvider for this property.
void	setResourceProviderID(java.lang.String resourceProviderID) Set resource provider ID.
void	setSources(java.util.Collection<?> sources) Set property's sources.
void	setUndefinedState(boolean value) Sets undefined state for this property.
void	setValue(java.lang.Object value) Sets new property value.
java.lang.String	toString() Return string representation of property for debug purposes.

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

VALUE

public static final java.lang.String VALUE

"Value" property name

See Also:

Constant Field Values

EDITABLE

public static final java.lang.String EDITABLE

"Editable" property name

See Also:

Constant Field Values

UNDEFINED

public static final java.lang.String UNDEFINED

Property "undefined" state literal. The PropertyChangeEvent.getPropertyName() return this string when state of the property changes it's "undefined" state.

See Also:

setUndefinedState(boolean), Constant Field Values

NULL

public static final java.lang.String NULL

Representation of null value as string.

See Also:

Constant Field Values

DEFAULT_PROPERTY_RESOURCE_PROVIDER

protected static final PropertyResourceProvider DEFAULT_PROPERTY_RESOURCE_PROVIDER

Default property resource provider.

NULL_ID_PROPERTY_RESOURCE_PROVIDER

public static final PropertyResourceProvider NULL_ID_PROPERTY_RESOURCE_PROVIDER

A resource provider which does not try to translate property ID.

mValue

@CheckForNull
protected java.lang.Object mValue

The value of the property.

Constructor Detail

Property

public Property()

Constructs new property. Property ID will be empty string, property value - null.

Property

public Property(java.lang.String id,
                @CheckForNull
                java.lang.Object value)

The property constructor.

Parameters:

id - the ID of property.

value - the value of the property.

Method Detail

getName

public java.lang.String getName()

Returns name of the property. Property name is taken from PropertyResourceProvider with key - Property ID.

Returns:

name of the property.

getID

public java.lang.String getID()

Returns property id.

Returns:

property ID.

setID

public final void setID(java.lang.String id)

Sets property id.

Parameters:

id - a new property id.

setValue

public void setValue(@CheckForNull
                     java.lang.Object value)

Sets new property value. Will fire a PropertyChangeEvent with propertyName - property ID, newValue and oldValue.

Parameters:

value - a new property value.

areValuesEqual

protected boolean areValuesEqual(java.lang.Object oldValue,
                                 java.lang.Object newValue)

Check if values are equal before setting new value. If values are equal value is not changed.

Parameters:

oldValue - current value.

newValue - new value.

Returns:

true if values are equal.

equals

public boolean equals(java.lang.Object o)

Properties are equal if their id are equals.

Overrides:

equals in class java.lang.Object

Parameters:

o - some other Property.

hashCode

public int hashCode()

The hash code will be the same as ID's hash code.

Overrides:

hashCode in class java.lang.Object

Returns:

property hash code.

getValue

public java.lang.Object getValue()

Returns properties value.

Returns:

value of the property.

getValueStringRepresentation

public java.lang.String getValueStringRepresentation()

Returns value's string representation.

Returns:

string "null" if property does not have value; value. toString() if property has value.

accept

public void accept(PropertyVisitor v)
            throws java.lang.Exception

Accepts the given visitor.

Specified by:

accept in interface PropertyVisitorAcceptor

Parameters:

v - the PropertyVisitor.

Throws:

java.lang.Exception

createCellEditor

@CheckForNull
public javax.swing.CellEditor createCellEditor(com.nomagic.magicdraw.properties.ui.jideui.RendererEditorFactory factory)

Returns the cell editor which edits this property in swing table.

Parameters:

factory - factory

Returns:

null here.

createTableCellRenderer

@CheckForNull
public javax.swing.table.TableCellRenderer createTableCellRenderer(com.nomagic.magicdraw.properties.ui.jideui.RendererEditorFactory factory)

Returns the cell renderer which renders this property in swing table.

Parameters:

factory - factory

Returns:

null here.

clone

public Property clone()

Clones the property. Clone is not deep, the clone will have the same instance of value. The clone will not have registered PropertyChangeListeners.

Overrides:

clone in class java.lang.Object

Returns:

the cloned property.

setUndefinedState

public void setUndefinedState(boolean value)

Sets undefined state for this property. Notifies property change listeners if property undefined state changes.

Parameters:

value - the new value of undefined state flag.

isUndefinedState

public boolean isUndefinedState()

Returns value undefined state flag.

Returns:

value value of undefined state flag.

getClassType

public java.lang.String getClassType()

Returns property class type.

Specified by:

getClassType in interface PropertyVisitorAcceptor

Returns:

PropertyID.PROPERTY

See Also:

PropertyID.PROPERTY

addPropertyChangeListener

public void addPropertyChangeListener(java.beans.PropertyChangeListener listener)

Delegates addPropertyChangeListener to the PropertyChangeSupport, the member of this class, which adds a PropertyChangeListener to the listener list.

Parameters:

listener - the PropertyChangeListener to be added

See Also:

PropertyChangeSupport

firePropertyChange

public void firePropertyChange(java.lang.String propertyName,
                               @CheckForNull
                               java.lang.Object oldValue,
                               @CheckForNull
                               java.lang.Object newValue)

Delegates firePropertyChange to the PropertyChangeSupport, the member of this class, which reports a bound property update to any registered listeners. No event is fired if old and new are equal and non-null.

Parameters:

propertyName - the programmatic name of the property that was changed.

oldValue - the old value of the property

newValue - the new value of the property

See Also:

PropertyChangeSupport

removePropertyChangeListener

public void removePropertyChangeListener(java.beans.PropertyChangeListener listener)

Delegates removePropertyChangeListener to the PropertyChangeSupport, the member of this class, which removes a PropertyChangeListener from the listener list.

Parameters:

listener - the PropertyChangeListener to be removed

See Also:

PropertyChangeSupport

toString

public java.lang.String toString()

Return string representation of property for debug purposes.

Overrides:

toString in class java.lang.Object

Returns:

string representation of the property.

getResourceProviderID

@CheckForNull
public java.lang.String getResourceProviderID()

Returns Resource provider ID.

Returns:

id of resource provider.

setResourceProviderID

public void setResourceProviderID(@CheckForNull
                                  java.lang.String resourceProviderID)

Set resource provider ID.

Parameters:

resourceProviderID - resource provider id

setResourceProvider

public void setResourceProvider(@CheckForNull
                                PropertyResourceProvider provider)

Sets PropertyResourceProvider for this property.

Parameters:

provider - the given provider.

getResourceProvider

public PropertyResourceProvider getResourceProvider()

Returns PropertyResourceProvider. If property does not have resource provider returns shared instance of DefaultPropertyResourceProvider.

Returns:

set PropertyResourceProvider or default one.

getGroup

@CheckForNull
public java.lang.String getGroup()

Returns group name for property. Properties with same group can be grouped in GUI.

Returns:

Returns group name for property. Can be null.

setGroup

public void setGroup(@CheckForNull
                     java.lang.String group)

Sets new group name.

Parameters:

group - group name, can be null.

getDescriptionID

@CheckForNull
public java.lang.String getDescriptionID()

Returns property description ID.

Returns:

description id.

setDescriptionID

public void setDescriptionID(@CheckForNull
                             java.lang.String descriptionID)

Set property description ID.

Parameters:

descriptionID - description id.

setDescription

public void setDescription(@CheckForNull
                           java.lang.String description)

Set property description

Parameters:

description - description

getDescription

@CheckForNull
public java.lang.String getDescription()

Returns property description from resource provider by property description id. May be null.

Returns:

description of the property.

getPureDescription

@CheckForNull
public java.lang.String getPureDescription()

Returns pure description - does not goes into resource provider.

Returns:

description

generateDefaultDescriptionID

public static java.lang.String generateDefaultDescriptionID(Property property)

Generates default property description id from property id

Parameters:

property - the given property.

Returns:

description id.

isEditable

public boolean isEditable()

Gets mEnabled flag's value.

Returns:

true if editing of the property is enabled, otherwise - false.

setEditable

public void setEditable(boolean editable)

Set mEnabled flag's value.

Parameters:

editable - new value.

getUndefinedString

public static java.lang.String getUndefinedString()

Returns representation string for "undefined" property state

Returns:

"undefined" representation string

getUndefinedString

public static java.lang.String getUndefinedString(Property property)

Returns representation string for "undefined" property state. Property can define its own "undefined" representation string by setting additional property QPropertiesHelper.UNDEFINED_STRING.

Parameters:

property - property for which undefined string is get.

Returns:

"undefined" representation string

getSources

public java.util.Collection<?> getSources()

Return a collection of property sources. In most cases property represents a value of some object. In these case that object can be added as Property source if traceability is required from property to source object.

Returns:

sources

See Also:

setSources(java.util.Collection), getSourcesAsStream(), getSourceAsElement(), getFirstElementFromSources()

getSourcesAsStream

public java.util.stream.Stream<java.lang.Object> getSourcesAsStream()

Return a stream of property sources. In most cases property represents a value of some object. In these case that object can be added as Property source if traceability is required from property to source object.

Returns:

sources

See Also:

getSources(), setSources(java.util.Collection), getSourceAsElement(), getFirstElementFromSources()

setSources

public void setSources(java.util.Collection<?> sources)

Set property's sources.

Parameters:

sources - sources

See Also:

getSources()

addSources

public void addSources(java.util.Collection<?> sources)

Append given sources to already existing ones.

Parameters:

sources - sources to append

See Also:

getSources()

addSource

public void addSource(java.lang.Object source)

Add source object to a project.

Parameters:

source - source object

See Also:

getSources()

getAdditionalProperty

@CheckForNull
public java.lang.Object getAdditionalProperty(java.lang.String tag)

Return attached "tag" like string value

Parameters:

tag - tag key

Returns:

value of given key or null

setAdditionalProperty

public void setAdditionalProperty(java.lang.String key,
                                  @CheckForNull
                                  java.lang.Object value)

Attach tag like key-value information to a property

Parameters:

key - tag key

value - tag value

getAdditionalProperties

@CheckForNull
public java.util.Map<java.lang.String,java.lang.Object> getAdditionalProperties()

Return a map structure of attached tags to this property.

Returns:

tags

See Also:

setAdditionalProperty(String, Object)

setAdditionalProperties

public void setAdditionalProperties(@CheckForNull
                                    java.util.Map<java.lang.String,java.lang.Object> tags)

Replace current tags with a new ones

Parameters:

tags - new tags

_isFrozen

public boolean _isFrozen()

Returns:

true if property is frozen

_setFrozen

public void _setFrozen(boolean frozen)

This is an internal api method to mark property as frozen. Value of frozen property can not be changed - runtime exception will be thrown

Parameters:

frozen - frozen property state

getNonEditableReason

public java.lang.String getNonEditableReason()

Returns the property reason

Returns:

property reason, if reason is null returns empty string

setNonEditableReason

public void setNonEditableReason(java.lang.String reason)

Sets the property reason

Parameters:

reason - reason why property is not editable

getProjectFromSourcesOrActive

public Project getProjectFromSourcesOrActive()

Looks for a project of property's sources

Returns:

source's project or active project

getFirstElementFromSources

@CheckForNull
public Element getFirstElementFromSources()

Looks for a first Element among sources.

Returns:

element

getSourceAsElement

@CheckForNull
public Element getSourceAsElement()

Returns source as Element if property has just one source and that source is an Element

Returns:

element

getIntroductoryVersion

@CheckForNull
public java.lang.String getIntroductoryVersion()

Get application version the property was introduced in.

Returns:

application version.

setIntroductoryVersion

public void setIntroductoryVersion(@CheckForNull
                                   java.lang.String introductoryVersion)

Set application version property is introduced in.

Parameters:

introductoryVersion - current application version or null