Package edu.cnu.mdi.mapping.layer

Class ShapefileLayer

java.lang.Object

edu.cnu.mdi.item.Layer

edu.cnu.mdi.mapping.layer.ShapefileLayer

public class ShapefileLayer
extends Layer

MDI layer that hosts one shapefile renderer.

The layer owns visibility, ordering, editing, and picking. The renderer remains responsible only for projecting and drawing the shapefile geometry.

Constructor Summary

Constructors

Constructor	Description
ShapefileLayer(IContainer container, String name, ShapeFeatureRenderer renderer)	Creates a shapefile layer.

Method Summary

Modifier and Type	Method	Description
void	beforeDraw(Graphics2D g2, IContainer container)	Draws the shapefile geometry.
void	edit(Component parentComponent)	Opens a geometry-appropriate shapefile style editor.
ShapeFeatureRenderer	getRenderer()	Returns the hosted renderer.
String	pick(Point point, IContainer container)	Delegates shapefile hit testing when this layer is visible.
void	setProjection(IMapProjection projection)	Updates the renderer's active map projection.

Methods inherited from class edu.cnu.mdi.item.Layer

add, addEnclosedItems, addItemChangeListener, addItemsAtPoint, addSelectedItems, afterDraw, anySelected, clearAllItems, contains, deleteItem, deleteSelectedItems, draw, equals, getAllItems, getContainer, getItemAtPoint, getItemsAtPoint, getName, getSelectedCount, getSelectedItems, hashCode, isEditable, isEmpty, isLocked, isVisible, notifyItemChangeListeners, remove, removeItemChangeListener, selectAllItems, selectAllItems, selectItem, sendBackward, sendForward, sendToBack, sendToFront, setDirty, setEditable, setLocked, setName, setVisible, size, toString

Methods inherited from class java.lang.Object

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

Constructor Details

ShapefileLayer

public ShapefileLayer(IContainer container,
 String name,
 ShapeFeatureRenderer renderer)

Creates a shapefile layer.

Parameters:

container - owning container

name - display name

renderer - shapefile renderer

Method Details

getRenderer

public ShapeFeatureRenderer getRenderer()

Returns the hosted renderer.

Returns:

shapefile renderer

setProjection

public void setProjection(IMapProjection projection)

Updates the renderer's active map projection.

Parameters:

projection - current projection

beforeDraw

public void beforeDraw(Graphics2D g2,
 IContainer container)

Draws the shapefile geometry.

Overrides:

beforeDraw in class Layer

Parameters:

g2 - the graphics context

container - the container being rendered

pick

public String pick(Point point,
 IContainer container)

Delegates shapefile hit testing when this layer is visible.

Parameters:

point - local screen point

container - rendering container

Returns:

tooltip text, or null

edit

public void edit(Component parentComponent)

Opens a geometry-appropriate shapefile style editor.

Overrides:

edit in class Layer

Parameters:

parentComponent - the parent component for any dialogs; may be null