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## com.bbn.openmap.plugin
Class PlugInLayer

    java.lang.Object
      java.awt.Component
          java.awt.Container
              javax.swing.JComponent
                  com.bbn.openmap.Layer
                      com.bbn.openmap.layer.OMGraphicHandlerLayer
                          com.bbn.openmap.plugin.PlugInLayer

All Implemented Interfaces:
  java.awt.event.ActionListener, java.beans.beancontext.BeanContextChild, java.beans.beancontext.BeanContextMembershipListener, java.util.EventListener, GestureResponsePolicy, java.awt.image.ImageObserver, java.awt.MenuContainer, ProjectionListener, ProjectionPainter, PropertyConsumer, java.io.Serializable

public class PlugInLayer
extends OMGraphicHandlerLayer

The PlugInLayer is a kind of layer that has a direct interface with the MapBean. The Layer contains a handle to a PlugIn object, which is, in effect, a module that knows how to respond to geographical requests for information, and can create graphics to be drawn.

The PlugInLayer has a standard interface to the PlugIn module object, and knows to call certain PlugIn methods to respond to Layer methods. It also knows about the OMGraphicsList that is part of the PlugIn, and when graphical objects are to be rendered, it tells the plugin's OMGraphicsList to render the object using a Graphics that the Layer provides.

     #Properties for basic PlugInLayer:
     pluginlayer.class=com.bbn.openmap.plugin.PlugInLayer
     pluginlayer.prettyName=PRETTY NAME
     pluginlayer.plugin=classname of plugin
     #.... followed by plugin properties with the "pluginlayer" prefix...

See Also:
  Serialized Form

Nested Class Summary

Nested classes inherited from class javax.swing.JComponent
`javax.swing.JComponent.AccessibleJComponent`

Nested classes inherited from class java.awt.Container
`java.awt.Container.AccessibleAWTContainer`

Nested classes inherited from class java.awt.Component
`java.awt.Component.AccessibleAWTComponent, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy`

Field Summary
`protected MapMouseListener` | `mml` The MapMouseListener for the layer/plugin combo that knows how to respond to mouse events.
`protected PlugIn` | `plugin` The handle to the PlugIn object.
`protected java.lang.String` | `plugInClass` This string is the deciding factor in how independent the PlugIn gets to be with respect to PropertyConsumer methods.
`static java.lang.String` | `PlugInProperty` If the PlugInLayer creates the PlugIn, it will append ".plugin" to the properties prefix it will send to PlugIn.setProperties().

Fields inherited from class com.bbn.openmap.layer.OMGraphicHandlerLayer
`consumeEvents, ConsumeEventsProperty, filter, interruptable, InterruptableProperty, layerWorker, LAYERWORKER_LOCK, mouseEventInterpreter, mouseModeIDs, MouseModesProperty, projectionChangePolicy, ProjectionChangePolicyProperty, renderPolicy, RenderPolicyProperty, selectedList, TransparencyProperty`

Fields inherited from class com.bbn.openmap.Layer
`addAsBackground, AddAsBackgroundProperty, addToBeanContext, AddToBeanContextProperty, attributes, autoPalette, AutoPaletteProperty, beanContextChildSupport, DisplayPaletteCmd, DisplayPropertiesCmd, doHack, HidePaletteCmd, i18n, IDListeners, localHackList, lsListeners, maxScale, MaxScaleProperty, minScale, MinScaleProperty, palette, paletteListener, PrettyNameProperty, propertyPrefix, RedrawCmd, removable, RemovableProperty, SWING_PACKAGE, windowSupport`

Fields inherited from class javax.swing.JComponent
`accessibleContext, listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW`

Fields inherited from class java.awt.Component
`BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT`

Fields inherited from interface com.bbn.openmap.PropertyConsumer
`EditorProperty, initPropertiesProperty, LabelEditorProperty, ScopedEditorProperty`

Fields inherited from interface java.awt.image.ImageObserver
`ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH`

Constructor Summary
`PlugInLayer()` The default constructor for the Layer.

Method Summary
`void` | `addPlugInToBeanContext(PlugIn pi)` Gets the current BeanContext from itself, if it's been set and the provided PlugIn wants/can be added to the BeanContext, it will be added..
`boolean` | `getAddToBeanContext()` Layer method, enhanced to check if the PlugIn is interested in being added to the BeanContext.
`OMGraphicList` | `getGraphicList()` Deprecated. call getList() instead.
`java.awt.Component` | `getGUI()` Checks the PlugIn to see if it has a GUI.
`MapMouseListener` | `getMapMouseListener()` Returns the MapMouseListener object that handles the mouse events.
`PlugIn` | `getPlugIn()` Returns the plugin module of the layer.
`java.util.Properties` | `getProperties(java.util.Properties props)` Overrides Layer getProperties method., also calls that method on Layer.
`java.util.Properties` | `getPropertyInfo(java.util.Properties props)` Overrides Layer getProperties method., also calls that method on Layer.
`OMGraphicList` | `prepare()` Prepares the graphics for the layer.
`void` | `removed(java.awt.Container container)` Layer method that gets called when the Layer gets removed from the map.
`void` | `removePlugInFromBeanContext(PlugIn pi)` Gets the current BeanContext from itself, if it's been set and the provided PlugIn wants/can be added to the BeanContext, it assumes it was and removes it from the BeanContext.
`void` | `setBeanContext(java.beans.beancontext.BeanContext in_bc)` Method for BeanContextChild interface.
`void` | `setGraphicList(OMGraphicList aList)` Deprecated. call setList() instead.
`void` | `setMapMouseListener(MapMouseListener mmlIn)` Set the MapMouseListener for the layer.
`void` | `setPlugIn(PlugIn aPlugIn)` Sets the plugin module of the layer.
`void` | `setProperties(java.lang.String prefix, java.util.Properties props)` Set the properties for the PlugIn Layer.
`void` | `setPropertyPrefix(java.lang.String prefix)` Set the property key prefix that should be used by the PropertyConsumer.

Methods inherited from class com.bbn.openmap.layer.OMGraphicHandlerLayer
`canSetList, copy, createLayerWorker, cut, deselect, doAction, doPrepare, filter, filter, filter, getConsumeEvents, getFilter, getInfoText, getItemsForMapMenu, getItemsForOMGraphicMenu, getLayerWorker, getList, getMouseEventInterpreter, getMouseModeIDsForEvents, getProjectionChangePolicy, getRenderPolicy, getSelected, getToolTipTextFor, getTransparency, getTransparencyAdjustmentPanel, highlight, interrupt, isCancelled, isHighlightable, isInterruptable, isSelectable, isWorking, leftClick, mouseOver, paint, paste, projectionChanged, receivesMapEvents, renderDataForProjection, resetFiltering, select, setCancelled, setConsumeEvents, setFilter, setInterruptable, setLayerWorker, setList, setMouseEventInterpreter, setMouseModeIDsForEvents, setProjectionChangePolicy, setRenderPolicy, setTransparency, supportsSQL, unhighlight, workerComplete`

Methods inherited from class com.bbn.openmap.Layer
`actionPerformed, addComponentListener, added, addInfoDisplayListener, addLayerStatusListener, addMouseListener, addVetoableChangeListener, childrenAdded, childrenRemoved, clearListeners, connectToBeanContext, createWindowSupport, finalize, findAndInit, findAndInit, findAndUndo, fireHideToolTip, firePaletteEvent, fireRequestBrowserContent, fireRequestBrowserContent, fireRequestCursor, fireRequestInfoLine, fireRequestInfoLine, fireRequestInfoLine, fireRequestMessage, fireRequestMessage, fireRequestToolTip, fireRequestToolTip, fireRequestURL, fireRequestURL, fireStatusUpdate, fireStatusUpdate, fireVetoableChange, getAddAsBackground, getAttribute, getBeanContext, getIcon, getMaxScale, getMinScale, getPackage, getPalette, getProjection, getPropertyPrefix, getWindowSupport, hasGUI, hidePalette, isAutoPalette, isProjectionOK, isRemovable, notifyHideHack, putAttribute, removeComponentListener, removeConfirmed, removeInfoDisplayListener, removeLayerStatusListener, removeVetoableChangeListener, repaint, resetPalette, setAddAsBackground, setAddToBeanContext, setAutoPalette, setIcon, setMaxScale, setMinScale, setName, setPaletteVisible, setProjection, setProjection, setProperties, setRemovable, setVisible, setWindowSupport, showPalette`

Methods inherited from class javax.swing.JComponent
`addAncestorListener, addNotify, addPropertyChangeListener, addPropertyChangeListener, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getAccessibleContext, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBorder, getBounds, getClientProperty, getComponentGraphics, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getGraphics, getHeight, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPreferredSize, getPropertyChangeListeners, getPropertyChangeListeners, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getUIClassID, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isPreferredSizeSet, isRequestFocusEnabled, isValidateRoot, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, paramString, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, removeVetoableChangeListener, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFont, setForeground, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, unregisterKeyboardAction, update, updateUI`

Methods inherited from class java.awt.Container
`add, add, add, add, add, addContainerListener, addImpl, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setLayout, transferFocusBackward, transferFocusDownCycle, validate, validateTree`

Methods inherited from class java.awt.Component
`action, add, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseEvent, processMouseWheelEvent, remove, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setSize, setSize, show, show, size, toString, transferFocus, transferFocusUpCycle`

Methods inherited from class java.lang.Object
`clone, equals, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Methods inherited from interface java.beans.beancontext.BeanContextChild
`addPropertyChangeListener, removePropertyChangeListener`

Field Detail

### PlugInProperty

    public static final java.lang.String PlugInProperty

  If the PlugInLayer creates the PlugIn, it will append ".plugin" to the properties prefix it will send to PlugIn.setProperties(). So, the PlugIn properties should look like layerPrefix.plugin.pluginPropertyName=value.

  NOTE: This is different than when a PlugIn is created as a component by the ComponentFactory called by the PropertyHandler. If the PropertyHandler calls the ComponentFactory, then the properties should look like pluginComponentPrefix.pluginProperty=value.

  See Also:
    Constant Field Values

### plugin

    protected transient PlugIn plugin

  The handle to the PlugIn object.

### mml

    protected MapMouseListener mml

  The MapMouseListener for the layer/plugin combo that knows how to respond to mouse events.

### plugInClass

    protected java.lang.String plugInClass

  This string is the deciding factor in how independent the PlugIn gets to be with respect to PropertyConsumer methods.

Constructor Detail

### PlugInLayer

    public PlugInLayer()

  The default constructor for the Layer. All of the attributes are set to their default values.

Method Detail

### removed

    public void removed(java.awt.Container container)

  Layer method that gets called when the Layer gets removed from the map.

  Overrides:
    `removed` in class `Layer`
  Parameters:
    `container` - Container

### setProperties

    public void setProperties(java.lang.String prefix,
                              java.util.Properties props)

  Set the properties for the PlugIn Layer.

  Specified by:
    `setProperties` in interface `PropertyConsumer`
  Overrides:
    `setProperties` in class `OMGraphicHandlerLayer`
  Parameters:
    `prefix` - the token to prefix the property names
    `props` - the `Properties` object

### getProperties

    public java.util.Properties getProperties(java.util.Properties props)

  Description copied from class: `OMGraphicHandlerLayer`
  Overrides Layer getProperties method., also calls that method on Layer. Sets the properties from the policy objects used by this OMGraphicHandler layer.

  Specified by:
    `getProperties` in interface `PropertyConsumer`
  Overrides:
    `getProperties` in class `OMGraphicHandlerLayer`

### getPropertyInfo

    public java.util.Properties getPropertyInfo(java.util.Properties props)

  Description copied from class: `OMGraphicHandlerLayer`
  Overrides Layer getProperties method., also calls that method on Layer. Sets the properties from the policy objects used by this OMGraphicHandler layer.

  Specified by:
    `getPropertyInfo` in interface `PropertyConsumer`
  Overrides:
    `getPropertyInfo` in class `OMGraphicHandlerLayer`

### setPropertyPrefix

    public void setPropertyPrefix(java.lang.String prefix)

  Set the property key prefix that should be used by the PropertyConsumer. The prefix, along with a '.', should be prepended to the property keys known by the PropertyConsumer.

  Specified by:
    `setPropertyPrefix` in interface `PropertyConsumer`
  Overrides:
    `setPropertyPrefix` in class `Layer`
  Parameters:
    `prefix` - the prefix String.

### setGraphicList

    public void setGraphicList(OMGraphicList aList)

  Deprecated. call setList() instead.

  Sets the current graphics list to the given list.

  Parameters:
    `aList` - a list of OMGraphics

### getGraphicList

    public OMGraphicList getGraphicList()

  Deprecated. call getList() instead.

  Retrieves the current graphics list.

### getPlugIn

    public PlugIn getPlugIn()

  Returns the plugin module of the layer.

### setPlugIn

    public void setPlugIn(PlugIn aPlugIn)

  Sets the plugin module of the layer. This method also calls setLayer on the plugin, and gets the MapMouseListener from the plugin, too.

### getMapMouseListener

    public MapMouseListener getMapMouseListener()

  Returns the MapMouseListener object that handles the mouse events.

  Overrides:
    `getMapMouseListener` in class `OMGraphicHandlerLayer`
  Returns:
    the MapMouseListener for the layer, or null if none

### setMapMouseListener

    public void setMapMouseListener(MapMouseListener mmlIn)

  Set the MapMouseListener for the layer.

  Parameters:
    `mmlIn` - the object that will handle the mouse events for the layer.

### prepare

    public OMGraphicList prepare()

  Prepares the graphics for the layer. This is where the getRectangle() method call is made on the plugin. This is called by the PulgInWorker, or can be called from a different thread than the AWT thread. If you're not sure, call doPrepare() instead, and a separate thread will be launched to call this.

  Overrides:
    `prepare` in class `OMGraphicHandlerLayer`
  Returns:
    new OMGraphicList filled by plugin.

### getGUI

    public java.awt.Component getGUI()

  Checks the PlugIn to see if it has a GUI. Returns null if the PlugIn doesn't exist.

  Overrides:
    `getGUI` in class `Layer`
  Returns:
    java.awt.Component or null

### getAddToBeanContext

    public boolean getAddToBeanContext()

  Layer method, enhanced to check if the PlugIn is interested in being added to the BeanContext.

  Overrides:
    `getAddToBeanContext` in class `Layer`

### setBeanContext

    public void setBeanContext(java.beans.beancontext.BeanContext in_bc)
                        throws java.beans.PropertyVetoException

  Method for BeanContextChild interface.

  Specified by:
    `setBeanContext` in interface `java.beans.beancontext.BeanContextChild`
  Overrides:
    `setBeanContext` in class `Layer`
  Throws:
    `java.beans.PropertyVetoException`

### addPlugInToBeanContext

    public void addPlugInToBeanContext(PlugIn pi)

  Gets the current BeanContext from itself, if it's been set and the provided PlugIn wants/can be added to the BeanContext, it will be added..

### removePlugInFromBeanContext

    public void removePlugInFromBeanContext(PlugIn pi)

  Gets the current BeanContext from itself, if it's been set and the provided PlugIn wants/can be added to the BeanContext, it assumes it was and removes it from the BeanContext.

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Copyright (C) BBNT Solutions LLC; See http://openmap.bbn.com/ for details