DtVertexEditorHandler Class Reference

This handler will allow users to click on knobs on line symbols to change the shape of those symbols. More...

Inheritance diagram for DtVertexEditorHandler:

List of all members.

Public Slots
virtual void	done ()
	Called when done editing symbol (either from accept or cancel)
virtual void	processAddPoint ()
	Add a point on the current selected line, at the current selected segment, at the last point selected on the line.
virtual void	processAddPoint (DtTMMapArea *area, DtLineSymbol *line, const DtPoint &pnt)
virtual void	processDeletePoint ()
	Delete the currently selected point on the currently selected line.
virtual bool	mouseEvent (DtTMMapArea *area, QMouseEvent *evnt, const DtPoint &pnt)
virtual bool	keyboardEvent (DtTMMapArea *area, QKeyEvent *evnt)
virtual bool	deleteSelectedPoint (DtTMMapArea *area)
	Deletes the selected point of the line.
virtual void	moveSelectedPointBy (DtTMMapArea *area, DtModelData *data, const DtPoint &delta)
	Given the model data and map area, find the line symbol and selected point, and move it by the delta amount.
Public Member Functions
	DtVertexEditorHandler ()
	Default Constructor.
virtual	~DtVertexEditorHandler ()
	Destructor.
virtual bool	canAddPointTo (DtTMMapArea *area, DtSymbol *symbol)
virtual bool	canDeletePoint (DtTMMapArea *area, DtSymbol *symbol)
	Returns true as to whether or not the currently selected point can be deleted.
virtual bool	canMovePoint (DtTMMapArea *area, DtSymbol *line)
	Returns true if the point can be moved.
Static Public Member Functions
static DtEventHandler *	create (DtEventController *owner, void *usr)
	Static creator.
Protected Member Functions
virtual void	moveSelectedPointTo (DtTMMapArea *area, const QPoint &pnt, const DtPoint &dbPoint)
	Moves the selected point of the symbol being edited to the new location.
virtual void	cancelMove ()
	Restores backup data.
virtual void	acceptMove (const QPoint &pnt, const DtPoint &dbPoint)
	Accepts move.
virtual bool	completeMove (const QPoint &pnt, const DtPoint &dbPoint)
	Called before any temp symbols are removed from the screen, use this routine to complete a move without removing any temp symbols.
virtual DtSymbol *	getWorkingSymbol (DtTMMapArea *area, const DtPoint *atLocation=NULL) const
	Returns the symbol we want to work with.
virtual DtSymbol *	getWorkingSymbol (DtSymbol *symbol) const
virtual DtModelData *	getModelData (DtTMMapArea *area) const
virtual DtSymbol *	getEditingSymbol (DtTMMapArea *area, const DtPoint *atLocation=NULL) const
	Returns the first symbol in the selected list of the supplied map area.
virtual void	createTempSymbol (DtTMMapArea *area)
	Creates and displays a temp symbol to edit.
virtual void	removeTempSymbol (DtTMMapArea *area)
	Creates and removes the symbol that will follow the cursor on creation.
virtual DtSymbol *	createSymbol (DtTMMapArea *area)
	Creates the symbol that will be used as a temp symbol.
virtual bool	initializeEdit (DtTMMapArea *area)
	Initializes internal symbols for editing.
virtual void	addPointTo (DtLineSymbol *symbol, const QPoint &pos)
	Returns true if a point can be added to the supplied symbol.
virtual int	timeout () const
	Return the amount of miliseconds to wait before removing temp symbol and replacing with working symbol.
virtual void	modifyPoint (const DtModelData &data, DtPoint &pnt)
	Override to modify the point before adding to model data.
virtual void	clearTimer ()
Protected Attributes
DtSymbol *	myTempSymbol
DtTMMapArea *	myActiveMap
DtSymbol *	myWorkingSymbol
DtModelData *	myModelData
bool	myAddingPoint
QTimer *	myAcceptTimer

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Detailed Description

This handler will allow users to click on knobs on line symbols to change the shape of those symbols.

Only one knob can be selected at any given time, so this handler will only work with the first item in the current selection

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Constructor & Destructor Documentation

DtVertexEditorHandler::DtVertexEditorHandler

(

)

Default Constructor.

virtual DtVertexEditorHandler::~DtVertexEditorHandler

(

)

[virtual]

Destructor.

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Member Function Documentation

virtual bool DtVertexEditorHandler::canAddPointTo	(	DtTMMapArea *	area,
		DtSymbol *	symbol
	)		[virtual]

virtual bool DtVertexEditorHandler::canDeletePoint	(	DtTMMapArea *	area,
		DtSymbol *	symbol
	)		[virtual]

Returns true as to whether or not the currently selected point can be deleted.

virtual bool DtVertexEditorHandler::canMovePoint	(	DtTMMapArea *	area,
		DtSymbol *	line
	)		[virtual]

Returns true if the point can be moved.

static DtEventHandler* DtVertexEditorHandler::create	(	DtEventController *	owner,
		void *	usr
	)		[static]

Static creator.

virtual void DtVertexEditorHandler::done

(

)

[virtual, slot]

Called when done editing symbol (either from accept or cancel)

virtual void DtVertexEditorHandler::processAddPoint

(

)

[virtual, slot]

Add a point on the current selected line, at the current selected segment, at the last point selected on the line.

virtual void DtVertexEditorHandler::processAddPoint	(	DtTMMapArea *	area,
		DtLineSymbol *	line,
		const DtPoint &	pnt
	)		[virtual, slot]

virtual void DtVertexEditorHandler::processDeletePoint

(

)

[virtual, slot]

Delete the currently selected point on the currently selected line.

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

Reimplemented from DtEventHandler.

virtual bool DtVertexEditorHandler::keyboardEvent	(	DtTMMapArea *	area,
		QKeyEvent *	evnt
	)		[virtual, slot]

Reimplemented from DtEventHandler.

virtual bool DtVertexEditorHandler::deleteSelectedPoint

(

DtTMMapArea *

area

)

[virtual, slot]

Deletes the selected point of the line.

virtual void DtVertexEditorHandler::moveSelectedPointBy	(	DtTMMapArea *	area,
		DtModelData *	data,
		const DtPoint &	delta
	)		[virtual, slot]

Given the model data and map area, find the line symbol and selected point, and move it by the delta amount.

virtual void DtVertexEditorHandler::moveSelectedPointTo	(	DtTMMapArea *	area,
		const QPoint &	pnt,
		const DtPoint &	dbPoint
	)		[protected, virtual]

Moves the selected point of the symbol being edited to the new location.

virtual void DtVertexEditorHandler::cancelMove

(

)

[protected, virtual]

Restores backup data.

virtual void DtVertexEditorHandler::acceptMove	(	const QPoint &	pnt,
		const DtPoint &	dbPoint
	)		[protected, virtual]

Accepts move.

virtual bool DtVertexEditorHandler::completeMove	(	const QPoint &	pnt,
		const DtPoint &	dbPoint
	)		[protected, virtual]

Called before any temp symbols are removed from the screen, use this routine to complete a move without removing any temp symbols.

virtual DtSymbol* DtVertexEditorHandler::getWorkingSymbol	(	DtTMMapArea *	area,
		const DtPoint *	atLocation = NULL
	)		const [protected, virtual]

Returns the symbol we want to work with.

If atLocation is not NULL and the map area does not have any symbols selected, asks the map area what would be selected under that point

virtual DtSymbol* DtVertexEditorHandler::getWorkingSymbol

(

DtSymbol *

symbol

)

const [protected, virtual]

virtual DtModelData* DtVertexEditorHandler::getModelData

(

DtTMMapArea *

area

)

const [protected, virtual]

virtual DtSymbol* DtVertexEditorHandler::getEditingSymbol	(	DtTMMapArea *	area,
		const DtPoint *	atLocation = NULL
	)		const [protected, virtual]

Returns the first symbol in the selected list of the supplied map area.

virtual void DtVertexEditorHandler::createTempSymbol

(

DtTMMapArea *

area

)

[protected, virtual]

Creates and displays a temp symbol to edit.

virtual void DtVertexEditorHandler::removeTempSymbol

(

DtTMMapArea *

area

)

[protected, virtual]

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

virtual DtSymbol* DtVertexEditorHandler::createSymbol

(

DtTMMapArea *

area

)

[protected, virtual]

Creates the symbol that will be used as a temp symbol.

virtual bool DtVertexEditorHandler::initializeEdit

(

DtTMMapArea *

area

)

[protected, virtual]

Initializes internal symbols for editing.

virtual void DtVertexEditorHandler::addPointTo	(	DtLineSymbol *	symbol,
		const QPoint &	pos
	)		[protected, virtual]

Returns true if a point can be added to the supplied symbol.

virtual int DtVertexEditorHandler::timeout

(

)

const [protected, virtual]

Return the amount of miliseconds to wait before removing temp symbol and replacing with working symbol.

virtual void DtVertexEditorHandler::modifyPoint	(	const DtModelData &	data,
		DtPoint &	pnt
	)		[protected, virtual]

Override to modify the point before adding to model data.

virtual void DtVertexEditorHandler::clearTimer

(

)

[protected, virtual]

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Member Data Documentation

DtSymbol* DtVertexEditorHandler::myTempSymbol [protected]

DtTMMapArea* DtVertexEditorHandler::myActiveMap [protected]

DtSymbol* DtVertexEditorHandler::myWorkingSymbol [protected]

DtModelData* DtVertexEditorHandler::myModelData [protected]

bool DtVertexEditorHandler::myAddingPoint [protected]

QTimer* DtVertexEditorHandler::myAcceptTimer [protected]

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

• include/tmEventHandler/vertexEditorHandler.h