org.graphstream.ui.swingViewer.basicRenderer

Class SwingBasicGraphRenderer

java.lang.Object

org.graphstream.ui.swingViewer.GraphRendererBase

org.graphstream.ui.swingViewer.basicRenderer.SwingBasicGraphRenderer

All Implemented Interfaces:

StyleGroupListener, GraphRenderer

public class SwingBasicGraphRenderer
extends GraphRendererBase

A very simple view of the graph that respect only a subset of CSS.

This is a minimal implementation of a renderer that only supports a subset of the CSS :

• Colours
• Widths
• Borders

TODO - Les sprites. - Les bordures.

Constructor Summary

Constructors

Constructor and Description
SwingBasicGraphRenderer()

Method Summary

Methods

Modifier and Type	Method and Description
Collection<GraphicElement>	allNodesOrSpritesIn(double x1, double y1, double x2, double y2) Search for all the nodes and sprites contained inside the rectangle (x1,y1)-(x2,y2).
void	close()
void	elementStyleChanged(Element element, StyleGroup oldStyle, StyleGroup style) The style of the element changed.
GraphicElement	findNodeOrSpriteAt(double x, double y) Search for the first node or sprite (in that order) that contains the point at coordinates (x, y).
Camera	getCamera() Get a camera object to provide control commands on the view.
void	moveElementAtPx(GraphicElement element, double x, double y) Force an element to move at the given location in pixels.
void	open(GraphicGraph graph, Container renderingSurface)
void	render(Graphics2D g, int x, int y, int width, int height) Redisplay or update the graph.
void	screenshot(String filename, int width, int height)
void	setBackLayerRenderer(LayerRenderer renderer) Set a layer renderer that will be called each time the graph needs to be redrawn before the graph is rendered.
void	setForeLayoutRenderer(LayerRenderer renderer) Set a layer renderer that will be called each time the graph needs to be redrawn after the graph is rendered.

Methods inherited from class org.graphstream.ui.swingViewer.GraphRendererBase

beginSelectionAt, endSelectionAt, getRenderingSurface, selectionGrowsAt

Methods inherited from class java.lang.Object

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

Constructor Detail

SwingBasicGraphRenderer

public SwingBasicGraphRenderer()

Method Detail

open

public void open(GraphicGraph graph,
        Container renderingSurface)

Specified by:

open in interface GraphRenderer

Overrides:

open in class GraphRendererBase

close

public void close()

Specified by:

close in interface GraphRenderer

Overrides:

close in class GraphRendererBase

getCamera

public Camera getCamera()

Description copied from interface: GraphRenderer

Get a camera object to provide control commands on the view.

Returns:

a Camera instance

allNodesOrSpritesIn

public Collection<GraphicElement> allNodesOrSpritesIn(double x1,
                                             double y1,
                                             double x2,
                                             double y2)

Description copied from interface: GraphRenderer

Search for all the nodes and sprites contained inside the rectangle (x1,y1)-(x2,y2).

Parameters:

x1 - The rectangle lowest point abscissa.

y1 - The rectangle lowest point ordinate.

x2 - The rectangle highest point abscissa.

y2 - The rectangle highest point ordinate.

Returns:

The set of sprites and nodes in the given rectangle.

findNodeOrSpriteAt

public GraphicElement findNodeOrSpriteAt(double x,
                                double y)

Description copied from interface: GraphRenderer

Search for the first node or sprite (in that order) that contains the point at coordinates (x, y).

Parameters:

x - The point abscissa.

y - The point ordinate.

Returns:

The first node or sprite at the given coordinates or null if nothing found.

render

public void render(Graphics2D g,
          int x,
          int y,
          int width,
          int height)

Description copied from interface: GraphRenderer

Redisplay or update the graph.

moveElementAtPx

public void moveElementAtPx(GraphicElement element,
                   double x,
                   double y)

Description copied from interface: GraphRenderer

Force an element to move at the given location in pixels.

Parameters:

element - The element.

x - The requested position abscissa in pixels.

y - The requested position ordinate in pixels.

screenshot

public void screenshot(String filename,
              int width,
              int height)

setBackLayerRenderer

public void setBackLayerRenderer(LayerRenderer renderer)

Description copied from interface: GraphRenderer

Set a layer renderer that will be called each time the graph needs to be redrawn before the graph is rendered. Pass "null" to remove the layer renderer.

Parameters:

renderer - The renderer (or null to remove it).

setForeLayoutRenderer

public void setForeLayoutRenderer(LayerRenderer renderer)

Description copied from interface: GraphRenderer

Set a layer renderer that will be called each time the graph needs to be redrawn after the graph is rendered. Pass "null" to remove the layer renderer.

Parameters:

renderer - The renderer (or null to remove it).

elementStyleChanged

public void elementStyleChanged(Element element,
                       StyleGroup oldStyle,
                       StyleGroup style)

Description copied from interface: StyleGroupListener

The style of the element changed.

Parameters:

element - The element.

oldStyle - The old style.

style - The changed style or the new style of the element.