com.goldencode.p2j.ui.client.gui

Class TreeListCaptionItem

java.lang.Object

com.goldencode.p2j.ui.client.widget.AbstractWidget<GuiOutputManager>

com.goldencode.p2j.ui.client.gui.TreeListCaptionItem

All Implemented Interfaces:

Widget<GuiOutputManager>, java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.awt.event.MouseWheelListener, java.util.EventListener

public class TreeListCaptionItem
extends AbstractWidget<GuiOutputManager>

Treelist caption widget.

Field Summary

Fields

Modifier and Type	Field and Description
private static ArrowsWidget	arrowsWidget Widget with two arrows to show the column target position when column header is dragged
private static boolean	atResizeEdge Mouse cursor is at caption item resize edge
(package private) TreeListGuiImpl.ColumnCache	column The column this caption item wraps up
private boolean	columnSelectedForMove Column is selected with mouse button press for possible dragging.
private static int	columnWidthAtMouseDown The column width when the caption drag begins
private OverlayWindow	dragWindow Ghost window with the dragged caption item widget copy.
private GuiColorResolver	gc Color resolver
private GuiDriver<?,?>	gd GUI driver
private static TreeListCaptionItem	ghostCaptionItem Caption item being dragged during column move
private WidgetId	id Widget id
private static int	lastMouseDownX The last mouse down event X coordinate
private static int	lastMouseDownY The last mouse down event Y coordinate
private static int	MIN_WIDTH Min widget width
private static int	RESIZE_EDGE_WIDTH Column resize edge size
private ClassicTheme	theme UI theme
private TreeListGuiImpl	tree Owning tree

Fields inherited from class com.goldencode.p2j.ui.client.widget.AbstractWidget

insets, listeners, location, LOG, mousePtr, nativeInsets, physicalLocation

Constructor Summary

Constructors

Constructor and Description
TreeListCaptionItem(TreeListGuiImpl tree, TreeListGuiImpl.ColumnCache column) Constructor.

Method Summary

Modifier and Type	Method and Description
private static int	centerX(Widget w) Get X coordinate of widget center.
Dimension	dimension() Get widget dimension.
private void	dragRelease() Destroy dragging widgets and windows and clear dragging artifacts
void	draw() Draw widget.
private Widget	findTargetCaptionItem(int xDistance) Find the caption item widget at the given X position.
WidgetId	getId() Widget ID.
double	height() Get widget height.
private boolean	isAtResizeEdge(java.awt.event.MouseEvent e) Checks whether the mouse event location is at the item resize edge.
Dimension	minimumSize() Get widget minimum size.
protected int[]	mouseActions() Sub-classes will override this to return a list of mouse actions on which the widget responds.
void	mouseDragged(java.awt.event.MouseEvent e) Notification of a mouse dragged event occurred for this widget.
void	mouseExited(java.awt.event.MouseEvent e) Notification of a mouse exited event occurred for this widget.
void	mouseMoved(java.awt.event.MouseEvent e) Notification of a mouse moved event occurred for this widget.
void	mousePressed(java.awt.event.MouseEvent e) Notification of a mouse pressed event occurred for this widget.
void	mouseReleased(java.awt.event.MouseEvent e) Notification of a mouse released event occurred for this widget.
double	width() Get widget width.

Methods inherited from class com.goldencode.p2j.ui.client.widget.AbstractWidget

_setHidden, _setVisible, activateDirectManipulation, addFocusListener, addKeyListener, afterConfigUpdateBase, ancestor, ancestorId, autoResize, bounds, clear, clearWidget, clipRectangle, clipRectangle, clipWith, config, copyColors, copyState, createMouseHoverAction, deactivateDirectManipulation, debug, destroy, disable, disableTooltip, displayPhysicalLocation, drawCaret, enable, enableTooltip, enclosingFrame, findMouseSource, focusTraversable, forceCursorOnFocus, forceVisibility, getActualBounds, getAndResetBitmap, getAndSetBitmap, getBitmapCopy, getCachedScreenLocation, getCachedScreenPhysicalLocation, getCustomMousePointer, getDefaultEvent, getEffectiveMousePointer, getLoadedMousePointer, getMenuMouse, getMouseActions, getMousePosition, getPortableMouseEventCoordinates, getSelectedText, getState, getTextHeight, getTextHeightNative, getTextHeightNative, getTextWidth, getTextWidth, getTextWidthNative, getTextWidthNative, getVisiblePart, getZOrderClass, hasFocus, hasTooltip, hidden, hide, highlighted, ignoreAction, initialHeight, initialWidth, insets, isCurrent, isDirectManipulationActive, isDirectManipulationActiveOrInUIB, isDirectManipulationCapable, isDirectManipulationRequired, isDisplayed, isEnabled, isFocusable, isHeader, isMouseDrag, isRealized, isRepaintDisabled, isRMBEntrySupported, isScreenLocationCached, isTabStop, isThreeD, isTotallyObscured, isVisible, isVisible, location, manageSystemActions, mouseClicked, mouseEntered, mouseWheelMoved, moveToBottom, moveToTop, name, navigable, oleDoDrop, oleDrag, oleDragging, oleStartDragging, onOleDragging, onOleDropEnd, parent, parent, parentObject, parentOrSelf, parentOrSelfObject, physicalBounds, physicalDimension, physicalLocation, postprocessConfig, prepParentLocation, preventFocusWhenMouseDownEventDefined, processDirectManipulationEvent, processEvent, processFocusEvent, processKeyEvent, processKeyEventForSelectableWidget, processKeyListeners, processMnemonic, processMnemonicImpl, processSystemKey, raiseLegacyMouseEvents, reflectAncestorChange, reflectLocationChanged, reflectSizeChanged, refresh, registerWidgetListener, repaint, repaint, repaint, requestFocus, requestSync, resetBitmap, resizeTo, resolveFont, resolvePopupMenuId, resolveTitleFont, screen, screenDimension, screenHeight, screenLocation, screenPhysicalLocation, screenWidth, setBitmap, setCachedScreenLocation, setCachedScreenPhysicalLocation, setDirectManipulationActive, setEnabled, setHidden, setHighlighted, setLocation, setLocation, setMousePointer, setMousePointer, setParent, setPhysicalDimensionInt, setPhysicalLocation, setSensitiveForUIB, setState, setVisible, setWindow, show, showPopupMenu, supportsCustomMousePointer, sync, topLevelWindow, toString, translate, triggerLocationChanged, unrealize, unregisterWidgetListener, updateSizeWorker, updateSystemParent, widgetRealized, widgetStateChanged, window

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.goldencode.p2j.ui.client.widget.Widget

acceptsEscAsAnyKey, acceptTrigger, canMovetoTop, completeTrigger, defaultMousePtr, enforceDefaultMousePtr, getIdForTrigger, getLegacyWidget, getTriggerWidget, getTriggerWidget, hasFocus, ignoreEnable, isCurrent, isDirectManipulable, isDroppable, isInitialValueLayout, isLegacyFocus, isProcessProgressEvent, maySwitchFocus, parent, refreshWidget, requestFocus, requestFocus, startTrigger, systemFocusGrabbed, validateDisplayValue

Field Detail

column

final TreeListGuiImpl.ColumnCache column

The column this caption item wraps up

columnSelectedForMove

private boolean columnSelectedForMove

Column is selected with mouse button press for possible dragging. The dragging itself will start only after the mouse is dragged at least 4 pixels from the mouse press position

dragWindow

private OverlayWindow dragWindow

Ghost window with the dragged caption item widget copy.

gc

private final GuiColorResolver gc

Color resolver

gd

private final GuiDriver<?,?> gd

GUI driver

id

private WidgetId id

Widget id

theme

private final ClassicTheme theme

UI theme

tree

private final TreeListGuiImpl tree

Owning tree

arrowsWidget

private static ArrowsWidget arrowsWidget

Widget with two arrows to show the column target position when column header is dragged

atResizeEdge

private static boolean atResizeEdge

Mouse cursor is at caption item resize edge

columnWidthAtMouseDown

private static int columnWidthAtMouseDown

The column width when the caption drag begins

ghostCaptionItem

private static TreeListCaptionItem ghostCaptionItem

Caption item being dragged during column move

lastMouseDownX

private static int lastMouseDownX

The last mouse down event X coordinate

lastMouseDownY

private static int lastMouseDownY

The last mouse down event Y coordinate

MIN_WIDTH

private static final int MIN_WIDTH

Min widget width

See Also:

Constant Field Values

RESIZE_EDGE_WIDTH

private static final int RESIZE_EDGE_WIDTH

Column resize edge size

See Also:

Constant Field Values

Constructor Detail

TreeListCaptionItem

public TreeListCaptionItem(TreeListGuiImpl tree,
                           TreeListGuiImpl.ColumnCache column)

Constructor.

Parameters:

tree - The owning tree widget.

column - Cached column info.

Method Detail

centerX

private static final int centerX(Widget w)

Get X coordinate of widget center.

Parameters:

w - the widget

Returns:

see above

dimension

public Dimension dimension()

Get widget dimension.

Specified by:

dimension in interface Widget<GuiOutputManager>

Specified by:

dimension in class AbstractWidget<GuiOutputManager>

Returns:

widget dimension.

draw

public void draw()

Draw widget.

Specified by:

draw in interface Widget<GuiOutputManager>

Specified by:

draw in class AbstractWidget<GuiOutputManager>

getId

public WidgetId getId()

Widget ID.

Specified by:

getId in interface Widget<GuiOutputManager>

Overrides:

getId in class AbstractWidget<GuiOutputManager>

Returns:

see above.

height

public double height()

Get widget height.

Specified by:

height in interface Widget<GuiOutputManager>

Specified by:

height in class AbstractWidget<GuiOutputManager>

Returns:

widget height.

minimumSize

public Dimension minimumSize()

Get widget minimum size.

Specified by:

minimumSize in interface Widget<GuiOutputManager>

Specified by:

minimumSize in class AbstractWidget<GuiOutputManager>

Returns:

widget minimum size.

mouseDragged

public void mouseDragged(java.awt.event.MouseEvent e)

Notification of a mouse dragged event occurred for this widget.

Specified by:

mouseDragged in interface java.awt.event.MouseMotionListener

Overrides:

mouseDragged in class AbstractWidget<GuiOutputManager>

Parameters:

e - The mouse event.

mouseExited

public void mouseExited(java.awt.event.MouseEvent e)

Notification of a mouse exited event occurred for this widget.

Specified by:

mouseExited in interface java.awt.event.MouseListener

Overrides:

mouseExited in class AbstractWidget<GuiOutputManager>

Parameters:

e - The mouse event.

mouseMoved

public void mouseMoved(java.awt.event.MouseEvent e)

Notification of a mouse moved event occurred for this widget. No-op by default.

Specified by:

mouseMoved in interface java.awt.event.MouseMotionListener

Overrides:

mouseMoved in class AbstractWidget<GuiOutputManager>

Parameters:

e - The mouse event.

mousePressed

public void mousePressed(java.awt.event.MouseEvent e)

Notification of a mouse pressed event occurred for this widget. No-op by default.

Specified by:

mousePressed in interface java.awt.event.MouseListener

Overrides:

mousePressed in class AbstractWidget<GuiOutputManager>

Parameters:

e - The mouse event.

mouseReleased

public void mouseReleased(java.awt.event.MouseEvent e)

Notification of a mouse released event occurred for this widget. No-op by default.

Specified by:

mouseReleased in interface java.awt.event.MouseListener

Overrides:

mouseReleased in class AbstractWidget<GuiOutputManager>

Parameters:

e - The mouse event.

width

public double width()

Get widget width.

Specified by:

width in interface Widget<GuiOutputManager>

Specified by:

width in class AbstractWidget<GuiOutputManager>

Returns:

widget width.

mouseActions

protected final int[] mouseActions()

Sub-classes will override this to return a list of mouse actions on which the widget responds. This is compatible with the AWT MouseEvent codes and P2J specific MouseEvt actions.

Overrides:

mouseActions in class AbstractWidget<GuiOutputManager>

Returns:

See above.

dragRelease

private final void dragRelease()

Destroy dragging widgets and windows and clear dragging artifacts

findTargetCaptionItem

private final Widget findTargetCaptionItem(int xDistance)

Find the caption item widget at the given X position. The algorithm depends on the drag direction: left or right.

Parameters:

xDistance - the distance the mouse was dragged horizontally since it was pressed

Returns:

the matched caption item widget

isAtResizeEdge

private boolean isAtResizeEdge(java.awt.event.MouseEvent e)

Checks whether the mouse event location is at the item resize edge.

Parameters:

e - Mouse event.

Returns:

true when at resize edge.