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public interface Visualizer
Defines the requirements for a visualizer.
Note: Any implementation is supposed to provide a constructor without
parameters (default constructor) to be used for parameterization.
Field Summary | |
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static int |
LEVEL_BACKGROUND
Background layer |
static int |
LEVEL_FOREGROUND
Passive foreground layer |
static int |
LEVEL_INTERACTIVE
Active foreground layer (interactive elements) |
static int |
LEVEL_STATIC
Static plot layer |
static String |
META_LEVEL
Meta data key: Level for visualizer ordering Returns an integer indicating the "temporal position" of this Visualizer. |
static String |
META_NAME
Meta data key: Visualizer name for UI Type: String |
static String |
META_NOTHUMB
Flag to signal there is no thumbnail needed. |
static String |
META_VISIBLE
Flag to control visibility. |
static String |
META_VISIBLE_DEFAULT
Flag to signal default visibility of a visualizer. |
Method Summary | |
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void |
addRedrawListener(RedrawListener listener)
Add a redraw listener to the visualizer. |
AnyMap<String> |
getMetadata()
Get visualization meta data, such as dimensions visualized. |
boolean |
removeRedrawListener(RedrawListener listener)
Remove a redraw listener to the visualizer. |
Field Detail |
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static final String META_NAME
static final String META_LEVEL
static final String META_VISIBLE
static final String META_NOTHUMB
static final String META_VISIBLE_DEFAULT
static final int LEVEL_BACKGROUND
static final int LEVEL_STATIC
static final int LEVEL_FOREGROUND
static final int LEVEL_INTERACTIVE
Method Detail |
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AnyMap<String> getMetadata()
void addRedrawListener(RedrawListener listener)
listener
- Listener to be called on redraws.boolean removeRedrawListener(RedrawListener listener)
listener
- Listener to be removed.
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