DtCreationHandler Class Reference

This handler creates entities. More...

Inheritance diagram for DtCreationHandler:

List of all members.

Public Slots
virtual bool	mouseEvent (DtTMMapArea *area, QMouseEvent *evnt, const DtPoint &pnt)
virtual void	stop (const DtPoint &p)
virtual void	updateTempSymbol ()=0
Signals
void	creationSignal (const DtString &name, const DtEntityMapperKey &type, const DtList &vertices, const DtString &label, int appearance, int force, bool projection, bool closedFigure, DtReal heading, bool createSubObjects, DtSymbol *tempSymbol)
	Both signals are emitted if myEmitCreateSignal is true.
void	editSignal (const DtString &name, const DtEntityMapperKey &type, const DtList &vertices, const DtString &label, int appearance, int force, DtReal heading, DtSymbol *tempSymbol)
Public Member Functions
	DtCreationHandler ()
	Default Constructor.
virtual	~DtCreationHandler ()
	Destructor.
virtual void	setCreationObject (DtEntityMapperKey obj, int frc)
	Set the object you are creating.
virtual void	activate ()
	Called when this event handler first becomes active.
virtual DtSymbol *	createTempSymbol (DtTMMapArea *area)
	Creates and removes the symbol that will follow the cursor on creation.
virtual void	removeTempSymbol (DtTMMapArea *area)
virtual void	setEditMode (bool b)
virtual void	setModelData (DtModelData *d)
virtual void	setShowDialog (DtShowDialogType type)
virtual void	setEmitCreateSignal (bool)
	Emits signal when create, not actually do the creation. Default is false.
Protected Member Functions
virtual DtSymbol *	createSymbol (DtTMMapArea *area)=0
	Subclasses need to create temp symbol.
virtual void	pointSelected (const DtPoint &p)=0
virtual void	cancel ()=0
	Handle the cancelling of this object creation.
virtual bool	enterEvent (DtTMMapArea *area, QEvent *evnt)
	Handles when the mouse enters a particular map area.
virtual void	switchActiveMap (DtTMMapArea *area)
	Switches to the new active map and also sets up mouse tracking by turning off from old and activating on new.
virtual void	trackMouseFor (DtTMMapArea *area, bool enable)
	Enables/disables mouse tracking for requested area.
virtual void	deactivate ()
	Called when we are decativated, acts as a cancel on the current event.
virtual void	showDialog (bool b)
	Override to show dialog only is dialog show type is WhenStartCreate, else show dialog when the appropriate conditions are met.
virtual void	createComplete (bool finalPointSelected)
	Called at end of creation, will let the controller know we are done.
virtual QPixmap	createCursor ()
	Creates/restores the override cusror to display that the handler is in creation mode.
virtual void	restoreCursor ()
virtual bool	keyboardEvent (DtTMMapArea *area, QKeyEvent *evnt)
	Add escape key cancel.
Protected Attributes
DtEntityMapperKey	myCurrentObjectType
int	myCurrentForceType
DtSymbol *	myTempSymbol
DtTMMapArea *	myActiveMap
bool	myEditNotCreate
bool	myStopped
bool	myInvalid
DtModelData *	myModelData
DtShowDialogType	myShowDialogType
DtTerrainModelData *	myCreatingFromTerrainData
	If non-NULL, creating this point from the supplied model data.
bool	myDeactivating
bool	myEmitCreateSignal
bool	myCursorSet
Qt::KeyboardModifiers	myKeyboardModifiers

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Detailed Description

This handler creates entities.

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Constructor & Destructor Documentation

DtCreationHandler::DtCreationHandler

(

)

Default Constructor.

virtual DtCreationHandler::~DtCreationHandler

(

)

[virtual]

Destructor.

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Member Function Documentation

virtual void DtCreationHandler::setCreationObject	(	DtEntityMapperKey	obj,
		int	frc
	)		[virtual]

Set the object you are creating.

Reimplemented in DtCreateControlObjectHandler.

virtual void DtCreationHandler::activate

(

)

[virtual]

Called when this event handler first becomes active.

Reimplemented from DtEventHandler.

Reimplemented in DtCreateControlObjectHandler, and DtTerrainCreatePointHandler.

virtual DtSymbol* DtCreationHandler::createTempSymbol

(

DtTMMapArea *

area

)

[virtual]

Creates and removes the symbol that will follow the cursor on creation.

Reimplemented in DtCreateControlObjectHandler, and DtTerrainCreateLineHandler.

virtual void DtCreationHandler::removeTempSymbol

(

DtTMMapArea *

area

)

[virtual]

virtual void DtCreationHandler::setEditMode

(

bool

b

)

[virtual]

virtual void DtCreationHandler::setModelData

(

DtModelData *

d

)

[virtual]

virtual void DtCreationHandler::setShowDialog

(

DtShowDialogType

type

)

[virtual]

void DtCreationHandler::setEmitCreateSignal

(

bool

b

)

[inline, virtual]

Emits signal when create, not actually do the creation. Default is false.

Reimplemented in DtCreateLineHandler, and DtCreatePointHandler.

References myEmitCreateSignal.

virtual bool DtCreationHandler::mouseEvent	(	DtTMMapArea *	area,
		QMouseEvent *	evnt,
		const DtPoint &	pnt
	)		[virtual, slot]

Reimplemented from DtEventHandler.

Reimplemented in DtCreateControlObjectHandler, and DtCreateLineHandler.

virtual void DtCreationHandler::stop

(

const DtPoint &

p

)

[virtual, slot]

Reimplemented in DtCreateControlObjectHandler.

virtual void DtCreationHandler::updateTempSymbol

(

)

[pure virtual, slot]

Implemented in DtCreateControlObjectHandler.

void DtCreationHandler::creationSignal	(	const DtString &	name,
		const DtEntityMapperKey &	type,
		const DtList &	vertices,
		const DtString &	label,
		int	appearance,
		int	force,
		bool	projection,
		bool	closedFigure,
		DtReal	heading,
		bool	createSubObjects,
		DtSymbol *	tempSymbol
	)		[signal]

Both signals are emitted if myEmitCreateSignal is true.

void DtCreationHandler::editSignal	(	const DtString &	name,
		const DtEntityMapperKey &	type,
		const DtList &	vertices,
		const DtString &	label,
		int	appearance,
		int	force,
		DtReal	heading,
		DtSymbol *	tempSymbol
	)		[signal]

virtual DtSymbol* DtCreationHandler::createSymbol

(

DtTMMapArea *

area

)

[protected, pure virtual]

Subclasses need to create temp symbol.

Implemented in DtCreateControlObjectHandler, DtCreateLineHandler, and DtCreatePointHandler.

virtual void DtCreationHandler::pointSelected

(

const DtPoint &

p

)

[protected, pure virtual]

Implemented in DtCreateControlObjectHandler, and DtCreatePointHandler.

virtual void DtCreationHandler::cancel

(

)

[protected, pure virtual]

Handle the cancelling of this object creation.

Implemented in DtCreateControlObjectHandler.

virtual bool DtCreationHandler::enterEvent	(	DtTMMapArea *	area,
		QEvent *	evnt
	)		[protected, virtual]

Handles when the mouse enters a particular map area.

If the area is different than the current active map, we need to change where the temp symbol is displayed

Reimplemented from DtEventHandler.

virtual void DtCreationHandler::switchActiveMap

(

DtTMMapArea *

area

)

[protected, virtual]

Switches to the new active map and also sets up mouse tracking by turning off from old and activating on new.

virtual void DtCreationHandler::trackMouseFor	(	DtTMMapArea *	area,
		bool	enable
	)		[protected, virtual]

Enables/disables mouse tracking for requested area.

virtual void DtCreationHandler::deactivate

(

)

[protected, virtual]

Called when we are decativated, acts as a cancel on the current event.

Reimplemented from DtEventHandler.

Reimplemented in DtCreateControlObjectHandler.

virtual void DtCreationHandler::showDialog

(

bool

b

)

[protected, virtual]

Override to show dialog only is dialog show type is WhenStartCreate, else show dialog when the appropriate conditions are met.

Reimplemented from DtEventHandler.

virtual void DtCreationHandler::createComplete

(

bool

finalPointSelected

)

[protected, virtual]

Called at end of creation, will let the controller know we are done.

virtual QPixmap DtCreationHandler::createCursor

(

)

[protected, virtual]

Creates/restores the override cusror to display that the handler is in creation mode.

Reimplemented in DtCreateControlObjectHandler.

virtual void DtCreationHandler::restoreCursor

(

)

[protected, virtual]

virtual bool DtCreationHandler::keyboardEvent	(	DtTMMapArea *	area,
		QKeyEvent *	evnt
	)		[protected, virtual]

Add escape key cancel.

Reimplemented from DtEventHandler.

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Member Data Documentation

DtEntityMapperKey DtCreationHandler::myCurrentObjectType [protected]

int DtCreationHandler::myCurrentForceType [protected]

DtSymbol* DtCreationHandler::myTempSymbol [protected]

DtTMMapArea* DtCreationHandler::myActiveMap [protected]

bool DtCreationHandler::myEditNotCreate [protected]

bool DtCreationHandler::myStopped [protected]

bool DtCreationHandler::myInvalid [protected]

DtModelData* DtCreationHandler::myModelData [protected]

DtShowDialogType DtCreationHandler::myShowDialogType [protected]

DtTerrainModelData* DtCreationHandler::myCreatingFromTerrainData [protected]

If non-NULL, creating this point from the supplied model data.

bool DtCreationHandler::myDeactivating [protected]

bool DtCreationHandler::myEmitCreateSignal [protected]

Referenced by setEmitCreateSignal().

bool DtCreationHandler::myCursorSet [protected]

Qt::KeyboardModifiers DtCreationHandler::myKeyboardModifiers [protected]

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The documentation for this class was generated from the following file:

• include/tmEventHandler/creationHandler.h