com.flexganttfx.model.layout

Class EqualLinesManager<R extends Row<?,?,A>,A extends Activity>

java.lang.Object

com.flexganttfx.model.layout.EqualLinesManager<R,A>

Type Parameters:

R - the type of the row

A - the type of the activities

All Implemented Interfaces:

LinesManager<A>

public class EqualLinesManager<R extends Row<?,?,A>,A extends Activity>
extends Object
implements LinesManager<A>

A lines manager that equally distributes the available row height to all lines.

Since:

1.0

See Also:

Row.getLineCount()

Constructor Summary

Constructors

Constructor and Description
EqualLinesManager(Row<?,?,A> row) Constructs a new lines manager for the given row.

Method Summary

Modifier and Type	Method and Description
double	getLineHeight(int lineIndex, double rowHeight) Returns the height of the line with the given index.
int	getLineIndex(A activity) Returns the line index for the given activity.
Layout	getLineLayout(int lineIndex) Returns the layout for the line with the given line index.
double	getLineLocation(int lineIndex, double rowHeight) Returns the location of the line with the given index.

Methods inherited from class java.lang.Object

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

Constructor Detail

EqualLinesManager

public EqualLinesManager(Row<?,?,A> row)

Constructs a new lines manager for the given row. The manager attaches listeners to Row.lineCountProperty() and Row.heightProperty() in order to recalculate the line locations and heights.

Parameters:

row - the row for which to use the manager

Method Detail

getLineLocation

public final double getLineLocation(int lineIndex,
                                    double rowHeight)
                             throws IllegalLineIndexException

Description copied from interface: LinesManager

Returns the location of the line with the given index. In most cases the value of the location is somewhere between 0 and Row.getHeight(). Lines are free to overlap each other.

Specified by:

getLineLocation in interface LinesManager<A extends Activity>

Parameters:

lineIndex - the index of the line

rowHeight - the height of the row where the line is located

Returns:

the location of the given line (y-coordinate)

Throws:

IllegalLineIndexException - if no line with the given index exists

getLineLayout

public Layout getLineLayout(int lineIndex)
                     throws IllegalLineIndexException

Description copied from interface: LinesManager

Returns the layout for the line with the given line index. A row and each line within a row can have their own layout.

Specified by:

getLineLayout in interface LinesManager<A extends Activity>

Parameters:

lineIndex - the index of the line

Returns:

the layout of the given line

Throws:

IllegalLineIndexException - if no line with the given index exists

getLineHeight

public final double getLineHeight(int lineIndex,
                                  double rowHeight)
                           throws IllegalLineIndexException

Description copied from interface: LinesManager

Returns the height of the line with the given index. In most cases the height is somewhere between 0 and Row.getHeight().

Specified by:

getLineHeight in interface LinesManager<A extends Activity>

Parameters:

lineIndex - the index of the line

rowHeight - the height of the row where the line is located

Returns:

the height of the given line

Throws:

IllegalLineIndexException - if no line with the given index exists

getLineIndex

public int getLineIndex(A activity)

Description copied from interface: LinesManager

Returns the line index for the given activity. This method is responsible for placing activities on different lines.

Specified by:

getLineIndex in interface LinesManager<A extends Activity>

Parameters:

activity - the activity for which a line index is requested

Returns:

the line index of the given activity