eric6.Graphics.UMLGraphicsView

Module implementing a subclass of E5GraphicsView for our diagrams.

Global Attributes

None

Classes

UMLGraphicsView

Class implementing a specialized E5GraphicsView for our diagrams.

Functions

None

UMLGraphicsView

Class implementing a specialized E5GraphicsView for our diagrams.

Signals

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

Derived from

E5GraphicsView

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.
gestureEvent	Protected method handling gesture events.
getItemId	Public method to get the ID to be assigned to an item.
getPersistenceData	Public method to get a list of data to be persisted.
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.
wheelEvent	Protected method to handle wheel events.

Static Methods

None

UMLGraphicsView (Constructor)

UMLGraphicsView(scene, parent=None)

Constructor

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

UMLGraphicsView.__alignShapes

__alignShapes(alignment)

Private slot to align the selected shapes.

alignment: alignment type (Qt.AlignmentFlag)

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 items to operate on (list of UMLItem)

Returns:: bounding rectangle (QRectF)

UMLGraphicsView.__printPreviewPrint

__printPreviewPrint(printer)

Private slot to generate a print preview.

printer: reference to the printer object (QPrinter)

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 rectangles that contain changes (list of QRectF)

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: flag indicating to limit the scene to the initial size (boolean)

UMLGraphicsView.event

event(evt)

Public method handling events.

evt: reference to the event (QEvent)

Returns:: flag indicating, if the event was handled (boolean)

UMLGraphicsView.filteredItems

filteredItems(items, itemType=UMLItem)

Public method to filter a list of items.

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

Returns:: list of interesting collision items (QGraphicsItem)

UMLGraphicsView.findItem

findItem(itemId)

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

itemId: of the item to search for (integer)

Returns:: item found (UMLItem) or None

UMLGraphicsView.findItemByName

findItemByName(name)

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

name: name to look for (string)

Returns:: item found (UMLItem) or None

UMLGraphicsView.gestureEvent

gestureEvent(evt)

Protected method handling gesture events.

evt: reference to the gesture event (QGestureEvent

UMLGraphicsView.getItemId

getItemId()

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

Returns:: item ID (integer)

UMLGraphicsView.getPersistenceData

getPersistenceData()

Public method to get a list of data to be persisted.

Returns:: list of data to be persisted (list of strings)

UMLGraphicsView.initToolBar

initToolBar()

Public method to populate a toolbar with our actions.

Returns:: the populated toolBar (QToolBar)

UMLGraphicsView.keyPressEvent

keyPressEvent(evt)

Protected method handling key press events.

evt: reference to the key event (QKeyEvent)

UMLGraphicsView.parsePersistenceData

parsePersistenceData(version, data)

Public method to parse persisted data.

version: version of the data (string)
data: persisted data to be parsed (list of string)

Returns:: tuple of flag indicating success (boolean) and faulty line number (integer)

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: item to be selected (QGraphicsItemItem)

UMLGraphicsView.selectItems

selectItems(items)

Public method to select the given items.

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

UMLGraphicsView.setDiagramName

setDiagramName(name)

Public slot to set the diagram name.

name: diagram name (string)

UMLGraphicsView.wheelEvent

wheelEvent(evt)

Protected method to handle wheel events.

evt: reference to the wheel event (QWheelEvent)

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