eric7.Graphics.UMLGraphicsView

Module implementing a subclass of EricGraphicsView for our diagrams.

Global Attributes

None

Classes

UMLGraphicsView Class implementing a specialized EricGraphicsView for our diagrams.

Functions

None


UMLGraphicsView

Class implementing a specialized EricGraphicsView for our diagrams.

Signals

relayout()
emitted to indicate a relayout of the diagram is requested

Derived from

EricGraphicsView

Class Attributes

None

Class Methods

None

Methods

UMLGraphicsView Constructor
__alignShapes Private slot to align the selected shapes.
__checkSizeActions Private slot to set the enabled state of the size actions.
__decHeight Private method to handle the decrease height context menu entry.
__decWidth Private method to handle the decrease width context menu entry.
__deleteShape Private method to delete the selected shapes from the display.
__incHeight Private method to handle the increase height context menu entry.
__incWidth Private method to handle the increase width context menu entry.
__initActions Private method to initialize the view actions.
__itemsBoundingRect Private method to calculate the bounding rectangle of the given items.
__printPreviewPrint Private slot to generate a print preview.
__relayout Private slot to handle the re-layout context menu entry.
__rescan Private slot to handle the re-scan context menu entry.
__sceneChanged Private slot called when the scene changes.
__setSize Private method to handle the set size context menu entry.
autoAdjustSceneSize Public method to adjust the scene size to the diagram size.
event Public method handling events.
filteredItems Public method to filter a list of items.
findItem Public method to find an UML item based on the ID.
findItemByName Public method to find an UML item based on its name.
fromDict Public method to populate the class with data persisted by 'toDict()'.
gestureEvent Protected method handling gesture events.
getItemId Public method to get the ID to be assigned to an item.
initToolBar Public method to populate a toolbar with our actions.
keyPressEvent Protected method handling key press events.
parsePersistenceData Public method to parse persisted data.
printDiagram Public slot called to print the diagram.
printPreviewDiagram Public slot called to show a print preview of the diagram.
saveImage Public method to handle the save context menu entry.
selectItem Public method to select an item.
selectItems Public method to select the given items.
setDiagramName Public slot to set the diagram name.
setLayoutActionsEnabled Public method to enable or disable the layout related actions.
toDict Public method to collect data to be persisted.
wheelEvent Protected method to handle wheel events.

Static Methods

None

UMLGraphicsView (Constructor)

UMLGraphicsView(scene, parent=None)

Constructor

scene (QGraphicsScene)
reference to the scene object
parent (QWidget)
parent widget of the view

UMLGraphicsView.__alignShapes

__alignShapes(alignment)

Private slot to align the selected shapes.

alignment (Qt.AlignmentFlag)
alignment type

UMLGraphicsView.__checkSizeActions

__checkSizeActions()

Private slot to set the enabled state of the size actions.

UMLGraphicsView.__decHeight

__decHeight()

Private method to handle the decrease height context menu entry.

UMLGraphicsView.__decWidth

__decWidth()

Private method to handle the decrease width context menu entry.

UMLGraphicsView.__deleteShape

__deleteShape()

Private method to delete the selected shapes from the display.

UMLGraphicsView.__incHeight

__incHeight()

Private method to handle the increase height context menu entry.

UMLGraphicsView.__incWidth

__incWidth()

Private method to handle the increase width context menu entry.

UMLGraphicsView.__initActions

__initActions()

Private method to initialize the view actions.

UMLGraphicsView.__itemsBoundingRect

__itemsBoundingRect(items)

Private method to calculate the bounding rectangle of the given items.

items (list of UMLItem)
list of items to operate on
Return:
bounding rectangle
Return Type:
QRectF

UMLGraphicsView.__printPreviewPrint

__printPreviewPrint(printer)

Private slot to generate a print preview.

printer (QPrinter)
reference to the printer object

UMLGraphicsView.__relayout

__relayout()

Private slot to handle the re-layout context menu entry.

UMLGraphicsView.__rescan

__rescan()

Private slot to handle the re-scan context menu entry.

UMLGraphicsView.__sceneChanged

__sceneChanged(_areas)

Private slot called when the scene changes.

_areas (list of QRectF)
list of rectangles that contain changes (unused)

UMLGraphicsView.__setSize

__setSize()

Private method to handle the set size context menu entry.

UMLGraphicsView.autoAdjustSceneSize

autoAdjustSceneSize(limit=False)

Public method to adjust the scene size to the diagram size.

limit (bool)
flag indicating to limit the scene to the initial size

UMLGraphicsView.event

event(evt)

Public method handling events.

evt (QEvent)
reference to the event
Return:
flag indicating, if the event was handled
Return Type:
bool

UMLGraphicsView.filteredItems

filteredItems(items, itemType=UMLItem)

Public method to filter a list of items.

items (QGraphicsItem)
list of items as returned by the scene object
itemType (class)
type to be filtered
Return:
list of interesting collision items
Return Type:
QGraphicsItem

UMLGraphicsView.findItem

findItem(itemId)

Public method to find an UML item based on the ID.

itemId (int)
of the item to search for
Return:
item found or None
Return Type:
UMLItem

UMLGraphicsView.findItemByName

findItemByName(name)

Public method to find an UML item based on its name.

name (str)
name to look for
Return:
item found or None
Return Type:
UMLItem

UMLGraphicsView.fromDict

fromDict(_version, data)

Public method to populate the class with data persisted by 'toDict()'.

_version (str)
version of the data (unused)
data (dict)
dictionary containing the persisted data
Return:
flag indicating success
Return Type:
bool

UMLGraphicsView.gestureEvent

gestureEvent(evt)

Protected method handling gesture events.

evt (QGestureEvent)
reference to the gesture event

UMLGraphicsView.getItemId

getItemId()

Public method to get the ID to be assigned to an item.

Return:
item ID
Return Type:
int

UMLGraphicsView.initToolBar

initToolBar()

Public method to populate a toolbar with our actions.

Return:
the populated toolBar
Return Type:
QToolBar

UMLGraphicsView.keyPressEvent

keyPressEvent(evt)

Protected method handling key press events.

evt (QKeyEvent)
reference to the key event

UMLGraphicsView.parsePersistenceData

parsePersistenceData(version, data)

Public method to parse persisted data.

version (str)
version of the data
data (list of str)
persisted data to be parsed
Return:
tuple of flag indicating success (boolean) and faulty line number
Return Type:
int

UMLGraphicsView.printDiagram

printDiagram()

Public slot called to print the diagram.

UMLGraphicsView.printPreviewDiagram

printPreviewDiagram()

Public slot called to show a print preview of the diagram.

UMLGraphicsView.saveImage

saveImage()

Public method to handle the save context menu entry.

UMLGraphicsView.selectItem

selectItem(item)

Public method to select an item.

item (QGraphicsItemItem)
item to be selected

UMLGraphicsView.selectItems

selectItems(items)

Public method to select the given items.

items (list of QGraphicsItemItem)
list of items to be selected

UMLGraphicsView.setDiagramName

setDiagramName(name)

Public slot to set the diagram name.

name (str)
diagram name

UMLGraphicsView.setLayoutActionsEnabled

setLayoutActionsEnabled(enable)

Public method to enable or disable the layout related actions.

enable (bool)
flag indicating the desired enable state

UMLGraphicsView.toDict

toDict()

Public method to collect data to be persisted.

Return:
dictionary containing data to be persisted
Return Type:
dict

UMLGraphicsView.wheelEvent

wheelEvent(evt)

Protected method to handle wheel events.

evt (QWheelEvent)
reference to the wheel event
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