com.flexganttfx.model

Class ActivityRef<A extends Activity>

java.lang.Object

com.flexganttfx.model.ActivityRef<A>

Type Parameters:

A - the type of the referenced activity

public final class ActivityRef<A extends Activity>
extends Object

An activity reference is used to precisely identify the location of an activity where the location is a combination of row, layer, and the activity itself. As the same activity can be located on multiple rows and or multiple layers at the same time it is often necessary to work with an activity reference instead of only the activity.

Since:

1.0

Constructor Summary

Constructors

Constructor and Description
ActivityRef(Row<?,?,A> row, Layer layer, A activity) Constructs a new activity reference.

Method Summary

Modifier and Type	Method and Description
void	attachToRow() Attaches the activity to its row.
void	detachFromRow() Removes the activity from the row where it is currently shown.
boolean	equals(Object obj)
A	getActivity() Returns the activity itself.
Layer	getLayer() The layer on which the activity is shown.
int	getLineIndex() The line index of the activity.
Row<?,?,A>	getRow() Returns the row where the activity is located.
int	hashCode()
boolean	isPathExpanded() Determines if the entire row path to the activity is currently expanded or not.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

ActivityRef

public ActivityRef(Row<?,?,A> row,
                   Layer layer,
                   A activity)

Constructs a new activity reference.

Parameters:

row - the row where the activity is shown

layer - the model layer where the activity is located (optional)

activity - the referenced activity

Since:

1.0

Method Detail

isPathExpanded

public boolean isPathExpanded()

Determines if the entire row path to the activity is currently expanded or not. An activity will not be shown if the tree path to it is not expanded.

Returns:

true if the row path to the activity is commpletely expanded

Since:

1.0

getRow

public Row<?,?,A> getRow()

Returns the row where the activity is located.

Returns:

the row where the activity is located

Since:

1.0

getLayer

public Layer getLayer()

The layer on which the activity is shown.

Returns:

the layer that is displaying the activity

Since:

1.0

getActivity

public A getActivity()

Returns the activity itself.

Returns:

the activity

getLineIndex

public int getLineIndex()

The line index of the activity. This is a convenience method delegating to Row.getLineIndex(Activity) which then delegates to LinesManager.getLineIndex(Activity).

Returns:

the line index of the activity

Since:

1.0

detachFromRow

public void detachFromRow()

Removes the activity from the row where it is currently shown.

Since:

1.0

See Also:

detachFromRow()

attachToRow

public void attachToRow()

Attaches the activity to its row.

Since:

1.0

See Also:

Row.addActivity(Layer, Activity)

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object