Package repast.simphony.gis.styleEditor

Class StylePreviewFactory

java.lang.Object

repast.simphony.gis.styleEditor.StylePreviewFactory

public class StylePreviewFactory
extends Object

Factory for creating style preview labels that are used in GUI elements to show how style agents will appear. Currently the the factory supports creation of two size: regular and small. Regular sized previews show how the styles will actually appear in the display with respect to size, while the small version is just a scaled down version that can easily fit in GUI elements like buttons or table cells.

Author:

Eric Tatara, Nick Collier

Field Summary

Fields

Modifier and Type	Field	Description
static final Color	DEFAULT_LINE_STROKE_COLOR
static final double	DEFAULT_LINE_STROKE_OPACITY
static final double	DEFAULT_LINE_STROKE_WIDTH
static final Color	DEFAULT_POINT_FILL
static final String	DEFAULT_POINT_MARK
static final double	DEFAULT_POINT_OPACITY
static final double	DEFAULT_POINT_ROTATION
static final double	DEFAULT_POINT_SIZE
static final Color	DEFAULT_POINT_STROKE_COLOR
static final double	DEFAULT_POINT_STROKE_OPACITY
static final double	DEFAULT_POINT_STROKE_WIDTH
static final Color	DEFAULT_POLY_FILL
static final double	DEFAULT_POLY_OPACITY
static final Color	DEFAULT_POLY_STROKE_COLOR
static final double	DEFAULT_POLY_STROKE_OPACITY
static final double	DEFAULT_POLY_STROKE_WIDTH

Constructor Summary

Constructors

Constructor	Description
StylePreviewFactory()

Method Summary

Modifier and Type	Method	Description
static Icon	createIcon(org.geotools.styling.Rule rule)	Create an Icon instance from a Rule.
static Icon	createIcon(org.geotools.styling.Style style)	Create an Icon instance from a Style.
static PreviewLabel	createPreviewLabel(org.geotools.styling.Rule rule)	Creates an instance of a PreviewLabel using the Rule properties.
static Icon	createSmallIcon(org.geotools.styling.Rule rule)	Create an small Icon instance from a Rule.
static <T> T	evaluateExpression(org.opengis.filter.expression.Expression expr, T defaultValue, Class<T> type)	Returns either the evaluated expression if the expression is a Literal, or the default value for other types of expression, such as property expressions (which are the property name to be evaluated at run time).
static org.geotools.styling.Style	getDefaultStyle(GeometryUtil.GeometryType geomType)	Provide a default style for the style editors.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

DEFAULT_POINT_MARK

public static final String DEFAULT_POINT_MARK

See Also:

• Constant Field Values

DEFAULT_POINT_SIZE

public static final double DEFAULT_POINT_SIZE

See Also:

• Constant Field Values

DEFAULT_POINT_ROTATION

public static final double DEFAULT_POINT_ROTATION

See Also:

• Constant Field Values

DEFAULT_POINT_FILL

public static final Color DEFAULT_POINT_FILL

DEFAULT_POINT_OPACITY

public static final double DEFAULT_POINT_OPACITY

See Also:

• Constant Field Values

DEFAULT_POINT_STROKE_WIDTH

public static final double DEFAULT_POINT_STROKE_WIDTH

See Also:

• Constant Field Values

DEFAULT_POINT_STROKE_COLOR

public static final Color DEFAULT_POINT_STROKE_COLOR

DEFAULT_POINT_STROKE_OPACITY

public static final double DEFAULT_POINT_STROKE_OPACITY

See Also:

• Constant Field Values

DEFAULT_LINE_STROKE_WIDTH

public static final double DEFAULT_LINE_STROKE_WIDTH

See Also:

• Constant Field Values

DEFAULT_LINE_STROKE_COLOR

public static final Color DEFAULT_LINE_STROKE_COLOR

DEFAULT_LINE_STROKE_OPACITY

public static final double DEFAULT_LINE_STROKE_OPACITY

See Also:

• Constant Field Values

DEFAULT_POLY_FILL

public static final Color DEFAULT_POLY_FILL

DEFAULT_POLY_OPACITY

public static final double DEFAULT_POLY_OPACITY

See Also:

• Constant Field Values

DEFAULT_POLY_STROKE_WIDTH

public static final double DEFAULT_POLY_STROKE_WIDTH

See Also:

• Constant Field Values

DEFAULT_POLY_STROKE_COLOR

public static final Color DEFAULT_POLY_STROKE_COLOR

DEFAULT_POLY_STROKE_OPACITY

public static final double DEFAULT_POLY_STROKE_OPACITY

See Also:

• Constant Field Values

Constructor Details

StylePreviewFactory

public StylePreviewFactory()

Method Details

createPreviewLabel

public static PreviewLabel createPreviewLabel(org.geotools.styling.Rule rule)

Creates an instance of a PreviewLabel using the Rule properties.

Parameters:

rule - the Rule used to create the PreviewLabel

Returns:

the new PrviewLabel

createIcon

public static Icon createIcon(org.geotools.styling.Style style)

Create an Icon instance from a Style. Useful for creating JLabel Icons for GUI components.

Parameters:

style - the Style used to create the Icon

Returns:

the Icon

createIcon

public static Icon createIcon(org.geotools.styling.Rule rule)

Create an Icon instance from a Rule. Useful for creating JLabel Icons for GUI components.

Parameters:

rule - the Rule used to create the Icon

Returns:

the Icon

createSmallIcon

public static Icon createSmallIcon(org.geotools.styling.Rule rule)

Create an small Icon instance from a Rule. Useful for creating JLabel Icons for GUI components that require small icons.

Parameters:

rule - the Rule used to create the Icon

Returns:

the Icon

getDefaultStyle

public static org.geotools.styling.Style getDefaultStyle(GeometryUtil.GeometryType geomType)

Provide a default style for the style editors.

Parameters:

geomType - the geometry type for the selected agent class.

Returns:

the default style for the geometry type.

evaluateExpression

public static <T> T evaluateExpression(org.opengis.filter.expression.Expression expr,
 T defaultValue,
 Class<T> type)

Returns either the evaluated expression if the expression is a Literal, or the default value for other types of expression, such as property expressions (which are the property name to be evaluated at run time).

Parameters:

expr - the Expression to evaluate

defaultValue - the default value to use when the expression is not a Literal

type - the class of the Expression literal

Returns:

the evaluated expression