com.goldencode.p2j.ui.chui

Class FramePlacementManager

java.lang.Object

com.goldencode.p2j.ui.chui.FramePlacementManager

public class FramePlacementManager
extends java.lang.Object

The class handles proper placement of frames at the screen.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	FramePlacementManager.FrameComparator Local comparator for two Frame instances.

Field Summary

Fields

Modifier and Type	Field and Description
private FramePlacementManager.FrameComparator	comparator Reusable frame comparator.
private int	hideNesting hideFrames call nesting
private boolean	placementQuirk Track activation/deactivation of placement quirk.
private double	startRow Start row for the frame placement.
private TopLevelWindow<?>	window The window on which frames are placed by this instance.

Constructor Summary

Constructors

Constructor and Description
FramePlacementManager(TopLevelWindow<?> window) Create a new instance to place frames on the specified window.

Method Summary

Modifier and Type	Method and Description
private static double	getNewRow(double current, double proposed, java.util.ArrayList<Frame<?>> list) Calculate new value for start row for frame placement.
void	hideAllFrames(boolean doPause) Hide all frames.
void	hideFrame(Frame<?> frame, boolean doPause) Hide single frame.
private void	hideFrames(Widget<?>[] list, boolean doPause, boolean doHide, boolean topOnly) Hide frames from specified array of components.
private void	hideMarkedFrames(boolean streamed) Hide frames which can be hidden.
void	placeFrame(Frame<?> frame) Place new frame at the screen.
void	placeFrame(Frame<?> frame, boolean hideOthers) Place new frame at the screen.
void	placeFrame(Frame<?> frame, boolean hideOthers, boolean reuseLocation) Place new frame at the screen.
void	resetPlacementQuirk() Reset placement quick mode.
void	resetStartRow() Reset initial row for frame placement.
private void	setFrameLocation(Frame<?> frame, Point pos) Calculate and set frame physical location.

Methods inherited from class java.lang.Object

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

Field Detail

hideNesting

private int hideNesting

hideFrames call nesting

startRow

private double startRow

Start row for the frame placement.

placementQuirk

private boolean placementQuirk

Track activation/deactivation of placement quirk.

comparator

private FramePlacementManager.FrameComparator comparator

Reusable frame comparator.

window

private final TopLevelWindow<?> window

The window on which frames are placed by this instance.

Constructor Detail

FramePlacementManager

public FramePlacementManager(TopLevelWindow<?> window)

Create a new instance to place frames on the specified window.

Parameters:

window - The target window.

Method Detail

placeFrame

public void placeFrame(Frame<?> frame)

Place new frame at the screen. Hide other frames if necessary.

Parameters:

frame - Frame to place.

placeFrame

public void placeFrame(Frame<?> frame,
                       boolean hideOthers)

Place new frame at the screen. Hide other frames if necessary.

Parameters:

frame - Frame to place.

hideOthers - Flag indicating that other overlapping frames should be hidden. Is set to false only whent the frame is realized BEFORE is made visible.

placeFrame

public void placeFrame(Frame<?> frame,
                       boolean hideOthers,
                       boolean reuseLocation)

Place new frame at the screen. Hide other frames if necessary.

Parameters:

frame - Frame to place.

hideOthers - Flag indicating that other overlapping frames should be hidden. Is set to false only whent the frame is realized BEFORE is made visible.

reuseLocation - Flag forcing reusing location of the frame

setFrameLocation

private void setFrameLocation(Frame<?> frame,
                              Point pos)

Calculate and set frame physical location.

Parameters:

frame - Target frame.

pos - Location in character cells.

hideAllFrames

public void hideAllFrames(boolean doPause)

Hide all frames.

Parameters:

doPause - If true then pause will be handled as necessary.

hideFrame

public void hideFrame(Frame<?> frame,
                      boolean doPause)

Hide single frame.

Parameters:

frame - Frame to hide.

doPause - If true then pause will be handled if necessary.

hideFrames

private void hideFrames(Widget<?>[] list,
                        boolean doPause,
                        boolean doHide,
                        boolean topOnly)

Hide frames from specified array of components.

Parameters:

list - Array of Component instances.

doPause - If true pause will be handled if necessary.

doHide - Perform real hiding if true and simulate otherwise.

topOnly - hide only frames with the TOP-ONLY attribute true

getNewRow

private static double getNewRow(double current,
                                double proposed,
                                java.util.ArrayList<Frame<?>> list)

Calculate new value for start row for frame placement.

Parameters:

current - Current value of the start row.

proposed - Proposed value for start row.

list - List of frames which will be deleted. Assume that these frames belong to one window.

Returns:

Calculated start row value.

hideMarkedFrames

private void hideMarkedFrames(boolean streamed)

Hide frames which can be hidden.

Parameters:

streamed - true hide streamed frames, false - hide frames from interactive terminal.

resetStartRow

public void resetStartRow()

Reset initial row for frame placement.

resetPlacementQuirk

public void resetPlacementQuirk()

Reset placement quick mode.