def __init__(self, model, title = None):
super(GraphWidget, self).__init__()
self.timerId = 0
scene = QGraphicsScene(self)
scene.setItemIndexMethod(QtGui.QGraphicsScene.NoIndex)
scene.setSceneRect(-200, -200, 640, 400)
self.gscene = scene;
self.setScene(scene)
self.setCacheMode(QtGui.QGraphicsView.CacheBackground)
self.setViewportUpdateMode(QtGui.QGraphicsView.BoundingRectViewportUpdate)
self.setRenderHint(QtGui.QPainter.Antialiasing)
self.setTransformationAnchor(QtGui.QGraphicsView.AnchorUnderMouse)
self.setResizeAnchor(QtGui.QGraphicsView.AnchorViewCenter)
self.model = model;
self.whitebrush = QBrush(Qt.white);
self.redbrush = QBrush(Qt.red)
self.drawNetwork(self.gscene, self.model);
#setttings of the window
self.scale(1.2,1.2);
self.setMinimumSize(640, 480);
if title == None:
self.setWindowTitle("Network Visualisation");
else:
self.setWindowTitle("Network Visualisation -" + title);
def __init__(self, parent=None):
TrackView.__init__(self, parent)
scene = QGraphicsScene()
scene.setItemIndexMethod(QGraphicsScene.NoIndex)
self.setScene(scene)
self._cars = {}
self._track = None
self._timer = QTimer(self)
self._timer.setInterval(40)
self._timer.timeout.connect(self.scene().advance)
handlers = {('init', 'cars_pos'): self._initCars,
('init', 'sectors'): self._initTrack,
('init', 'race_state'): self._setRaceState,
('update', 'cars_pos'): self._moveCars}
OTPApplication.registerMsgHandlers(handlers)
class ClassDiagram(QWidget, itab_item.ITabItem):
def __init__(self, actions, parent=None):
QWidget.__init__(self, parent)
itab_item.ITabItem.__init__(self)
self.actions = actions
self.graphicView = QGraphicsView(self)
self.scene = QGraphicsScene()
self.graphicView.setScene(self.scene)
self.graphicView.setViewportUpdateMode(
QGraphicsView.BoundingRectViewportUpdate)
vLayout = QVBoxLayout(self)
self.setLayout(vLayout)
vLayout.addWidget(self.graphicView)
self.scene.setItemIndexMethod(QGraphicsScene.NoIndex)
self.scene.setSceneRect(-200, -200, 400, 400)
self.graphicView.setMinimumSize(400, 400)
actualProject = self.actions.ide.explorer.get_actual_project()
arrClasses = self.actions._locator.get_classes_from_project(
actualProject)
#FIXME:dirty need to fix
self.mX = -400
self.mY = -320
self.hightestY = self.mY
filesList = []
for elem in arrClasses:
#loking for paths
filesList.append(elem[2])
for path in set(filesList):
self.create_class(path)
def create_class(self, path):
content = file_manager.read_file_content(path)
items = introspection.obtain_symbols(content)
mYPadding = 10
mXPadding = 10
for classname, classdetail in list(items["classes"].items()):
cl = ClassModel(self.graphicView, self.scene)
cl.set_class_name(classname)
self.fill_clases(cl, classdetail[1])
self.scene.addItem(cl)
cl.setPos(self.mX, self.mY)
self.mX += cl._get_width() + mXPadding
if self.hightestY < self.mY + cl.get_height():
self.hightestY = self.mY + cl.get_height()
if self.mX > 2000:
self.mX = -400
self.mY += self.hightestY + mYPadding
def fill_clases(self, classComponent, classContent):
funct = classContent['functions']
classComponent.set_functions_list(funct)
attr = classContent['attributes']
classComponent.set_attributes_list(attr)
def scale_view(self, scaleFactor):
factor = self.graphicView.transform().scale(
scaleFactor, scaleFactor).mapRect(QRectF(0, 0, 1, 1)).width()
if factor > 0.05 and factor < 15:
self.graphicView.scale(scaleFactor, scaleFactor)
def keyPressEvent(self, event):
taskList = {
Qt.Key_Plus: lambda: self.scaleView(1.2),
Qt.Key_Minus: lambda: self.scaleView(1 / 1.2)
}
if (event.key() in taskList):
taskList[event.key()]()
else:
QWidget.keyPressEvent(self, event)
class ImagesPreviewer(foundations.ui.common.QWidgetFactory(uiFile=UI_FILE)):
"""
| This class provides the Application images previewer.
| It defines methods to navigate through the list of given images ( List of images paths ),
zoom in / out and fit the displayed image, etc...
"""
def __init__(self, parent, paths=None, *args, **kwargs):
"""
This method initializes the class.
:param parent: Object parent. ( QObject )
:param paths: Images paths. ( Tuple / List )
:param \*args: Arguments. ( \* )
:param \*\*kwargs: Keywords arguments. ( \*\* )
"""
LOGGER.debug("> Initializing '{0}()' class.".format(self.__class__.__name__))
super(ImagesPreviewer, self).__init__(parent, *args, **kwargs)
# --- Setting class attributes. ---
self.__container = parent
self.__paths = None
self.paths = paths
self.__uiResourcesDirectory = "resources"
self.__uiResourcesDirectory = os.path.join(os.path.dirname(__file__), self.__uiResourcesDirectory)
self.__uiPreviousImage = "Previous.png"
self.__uiNextImage = "Next.png"
self.__uiZoomOutImage = "Zoom_Out.png"
self.__uiZoomInImage = "Zoom_In.png"
# Ensure the ui object is destroyed on close to avoid memory leaks.
self.setAttribute(Qt.WA_DeleteOnClose)
self.__graphicsSceneBackgroundColor = QColor(32, 32, 32)
self.__minimumZoomFactor = 0.05
self.__maximumZoomFactor = 25
self.__displayGraphicsItemMargin = 32
self.__graphicsSceneWidth = QApplication.desktop().screenGeometry(
QApplication.desktop().primaryScreen()).width() * (1 / self.__minimumZoomFactor * 1.75)
self.__graphicsSceneHeight = QApplication.desktop().screenGeometry(
QApplication.desktop().primaryScreen()).height() * (1 / self.__minimumZoomFactor * 1.75)
self.__wheelZoomFactor = 350.0
self.__keyZoomFactor = 1.20
self.__graphicsView = None
self.__graphicsScene = None
self.__displayGraphicsItem = None
ImagesPreviewer.__initializeUi(self)
self.loadImage()
#******************************************************************************************************************
#*** Attributes properties.
#******************************************************************************************************************
@property
def container(self):
"""
This method is the property for **self.__container** attribute.
:return: self.__container. ( QObject )
"""
return self.__container
@container.setter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def container(self, value):
"""
This method is the setter method for **self.__container** attribute.
:param value: Attribute value. ( QObject )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "container"))
@container.deleter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def container(self):
"""
This method is the deleter method for **self.__container** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "container"))
@property
def paths(self):
"""
This method is the property for **self.__paths** attribute.
:return: self.__paths. ( Tuple / List )
"""
return self.__paths
@paths.setter
@foundations.exceptions.handleExceptions(AssertionError)
def paths(self, value):
"""
This method is the setter method for **self.__paths** attribute.
:param value: Attribute value. ( Tuple / List )
"""
if value is not None:
assert type(value) in (tuple, list), "'{0}' attribute: '{1}' type is not 'tuple' or 'list'!".format("paths", value)
for element in value:
assert type(element) is unicode, "'{0}' attribute: '{1}' type is not 'unicode'!".format(
"paths", element)
self.__paths = value
@paths.deleter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def paths(self):
"""
This method is the deleter method for **self.__paths** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "paths"))
@property
def uiResourcesDirectory(self):
"""
This method is the property for **self.__uiResourcesDirectory** attribute.
:return: self.__uiResourcesDirectory. ( String )
"""
return self.__uiResourcesDirectory
@uiResourcesDirectory.setter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def uiResourcesDirectory(self, value):
"""
This method is the setter method for **self.__uiResourcesDirectory** attribute.
:param value: Attribute value. ( String )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "uiResourcesDirectory"))
@uiResourcesDirectory.deleter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def uiResourcesDirectory(self):
"""
This method is the deleter method for **self.__uiResourcesDirectory** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "uiResourcesDirectory"))
@property
def uiPreviousImage(self):
"""
This method is the property for **self.__uiPreviousImage** attribute.
:return: self.__uiPreviousImage. ( String )
"""
return self.__uiPreviousImage
@uiPreviousImage.setter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def uiPreviousImage(self, value):
"""
This method is the setter method for **self.__uiPreviousImage** attribute.
:param value: Attribute value. ( String )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "uiPreviousImage"))
@uiPreviousImage.deleter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def uiPreviousImage(self):
"""
This method is the deleter method for **self.__uiPreviousImage** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "uiPreviousImage"))
@property
def uiNextImage(self):
"""
This method is the property for **self.__uiNextImage** attribute.
:return: self.__uiNextImage. ( String )
"""
return self.__uiNextImage
@uiNextImage.setter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def uiNextImage(self, value):
"""
This method is the setter method for **self.__uiNextImage** attribute.
:param value: Attribute value. ( String )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "uiNextImage"))
@uiNextImage.deleter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def uiNextImage(self):
"""
This method is the deleter method for **self.__uiNextImage** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "uiNextImage"))
@property
def uiZoomOutImage(self):
"""
This method is the property for **self.__uiZoomOutImage** attribute.
:return: self.__uiZoomOutImage. ( String )
"""
return self.__uiZoomOutImage
@uiZoomOutImage.setter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def uiZoomOutImage(self, value):
"""
This method is the setter method for **self.__uiZoomOutImage** attribute.
:param value: Attribute value. ( String )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "uiZoomOutImage"))
@uiZoomOutImage.deleter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def uiZoomOutImage(self):
"""
This method is the deleter method for **self.__uiZoomOutImage** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "uiZoomOutImage"))
@property
def uiZoomInImage(self):
"""
This method is the property for **self.__uiZoomInImage** attribute.
:return: self.__uiZoomInImage. ( String )
"""
return self.__uiZoomInImage
@uiZoomInImage.setter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def uiZoomInImage(self, value):
"""
This method is the setter method for **self.__uiZoomInImage** attribute.
:param value: Attribute value. ( String )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "uiZoomInImage"))
@uiZoomInImage.deleter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def uiZoomInImage(self):
"""
This method is the deleter method for **self.__uiZoomInImage** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "uiZoomInImage"))
@property
def graphicsSceneBackgroundColor(self):
"""
This method is the property for **self.__graphicsSceneBackgroundColor** attribute.
:return: self.__graphicsSceneBackgroundColor. ( QColors )
"""
return self.__graphicsSceneBackgroundColor
@graphicsSceneBackgroundColor.setter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def graphicsSceneBackgroundColor(self, value):
"""
This method is the setter method for **self.__graphicsSceneBackgroundColor** attribute.
:param value: Attribute value. ( QColors )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "graphicsSceneBackgroundColor"))
@graphicsSceneBackgroundColor.deleter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def graphicsSceneBackgroundColor(self):
"""
This method is the deleter method for **self.__graphicsSceneBackgroundColor** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "graphicsSceneBackgroundColor"))
@property
def graphicsSceneWidth(self):
"""
This method is the property for **self.__graphicsSceneWidth** attribute.
:return: self.__graphicsSceneWidth. ( Integer )
"""
return self.__graphicsSceneWidth
@graphicsSceneWidth.setter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def graphicsSceneWidth(self, value):
"""
This method is the setter method for **self.__graphicsSceneWidth** attribute.
:param value: Attribute value. ( Integer )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "graphicsSceneWidth"))
@graphicsSceneWidth.deleter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def graphicsSceneWidth(self):
"""
This method is the deleter method for **self.__graphicsSceneWidth** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "graphicsSceneWidth"))
@property
def graphicsSceneHeight(self):
"""
This method is the property for **self.__graphicsSceneHeight** attribute.
:return: self.__graphicsSceneHeight. ( Object )
"""
return self.__graphicsSceneHeight
@graphicsSceneHeight.setter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def graphicsSceneHeight(self, value):
"""
This method is the setter method for **self.__graphicsSceneHeight** attribute.
:param value: Attribute value. ( Object )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "graphicsSceneHeight"))
@graphicsSceneHeight.deleter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def graphicsSceneHeight(self):
"""
This method is the deleter method for **self.__graphicsSceneHeight** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "graphicsSceneHeight"))
@property
def minimumZoomFactor(self):
"""
This method is the property for **self.__minimumZoomFactor** attribute.
:return: self.__minimumZoomFactor. ( Float )
"""
return self.__minimumZoomFactor
@minimumZoomFactor.setter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def minimumZoomFactor(self, value):
"""
This method is the setter method for **self.__minimumZoomFactor** attribute.
:param value: Attribute value. ( Float )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "minimumZoomFactor"))
@minimumZoomFactor.deleter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def minimumZoomFactor(self):
"""
This method is the deleter method for **self.__minimumZoomFactor** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "minimumZoomFactor"))
@property
def maximumZoomFactor(self):
"""
This method is the property for **self.__maximumZoomFactor** attribute.
:return: self.__maximumZoomFactor. ( Float )
"""
return self.__maximumZoomFactor
@maximumZoomFactor.setter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def maximumZoomFactor(self, value):
"""
This method is the setter method for **self.__maximumZoomFactor** attribute.
:param value: Attribute value. ( Float )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "maximumZoomFactor"))
@maximumZoomFactor.deleter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def maximumZoomFactor(self):
"""
This method is the deleter method for **self.__maximumZoomFactor** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "maximumZoomFactor"))
@property
def wheelZoomFactor(self):
"""
This method is the property for **self.__wheelZoomFactor** attribute.
:return: self.__wheelZoomFactor. ( Float )
"""
return self.__wheelZoomFactor
@wheelZoomFactor.setter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def wheelZoomFactor(self, value):
"""
This method is the setter method for **self.__wheelZoomFactor** attribute.
:param value: Attribute value. ( Float )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "wheelZoomFactor"))
@wheelZoomFactor.deleter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def wheelZoomFactor(self):
"""
This method is the deleter method for **self.__wheelZoomFactor** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "wheelZoomFactor"))
@property
def keyZoomFactor(self):
"""
This method is the property for **self.__keyZoomFactor** attribute.
:return: self.__keyZoomFactor. ( Float )
"""
return self.__keyZoomFactor
@keyZoomFactor.setter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def keyZoomFactor(self, value):
"""
This method is the setter method for **self.__keyZoomFactor** attribute.
:param value: Attribute value. ( Float )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "keyZoomFactor"))
@keyZoomFactor.deleter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def keyZoomFactor(self):
"""
This method is the deleter method for **self.__keyZoomFactor** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "keyZoomFactor"))
@property
def graphicsView(self):
"""
This method is the property for **self.__graphicsView** attribute.
:return: self.__graphicsView. ( QGraphicsView )
"""
return self.__graphicsView
@graphicsView.setter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def graphicsView(self, value):
"""
This method is the setter method for **self.__graphicsView** attribute.
:param value: Attribute value. ( QGraphicsView )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "graphicsView"))
@graphicsView.deleter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def graphicsView(self):
"""
This method is the deleter method for **self.__graphicsView** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "graphicsView"))
@property
def graphicsScene(self):
"""
This method is the property for **self.__graphicsScene** attribute.
:return: self.__graphicsScene. ( QGraphicsScene )
"""
return self.__graphicsScene
@graphicsScene.setter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def graphicsScene(self, value):
"""
This method is the setter method for **self.__graphicsScene** attribute.
:param value: Attribute value. ( QGraphicsScene )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "graphicsScene"))
@graphicsScene.deleter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def graphicsScene(self):
"""
This method is the deleter method for **self.__graphicsScene** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "graphicsScene"))
@property
def displayGraphicsItem(self):
"""
This method is the property for **self.__displayGraphicsItem** attribute.
:return: self.__displayGraphicsItem. ( QGraphicsItem )
"""
return self.__displayGraphicsItem
@displayGraphicsItem.setter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def displayGraphicsItem(self, value):
"""
This method is the setter method for **self.__displayGraphicsItem** attribute.
:param value: Attribute value. ( QGraphicsItem )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(self.__class__.__name__, "displayGraphicsItem"))
@displayGraphicsItem.deleter
@foundations.exceptions.handleExceptions(foundations.exceptions.ProgrammingError)
def displayGraphicsItem(self):
"""
This method is the deleter method for **self.__displayGraphicsItem** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(self.__class__.__name__, "displayGraphicsItem"))
#******************************************************************************************************************
#*** Class methods.
#******************************************************************************************************************
def show(self):
"""
This method reimplements the :meth:`QWidget.show` method.
"""
super(ImagesPreviewer, self).show()
foundations.ui.common.centerWidgetOnScreen(self)
def closeEvent(self, event):
"""
This method reimplements the :meth:`QWidget.closeEvent` method.
:param event: QEvent ( QEvent )
"""
LOGGER.debug("> Removing '{0}' from Images Previewers list.".format(self))
self.__container.imagesPreviewers.remove(self)
event.accept()
def wheelEvent(self, event):
"""
This method reimplements the :meth:`QWidget.wheelEvent` method.
:param event: QEvent ( QEvent )
"""
self.scaleView(pow(1.5, event.delta() / self.__wheelZoomFactor))
def keyPressEvent(self, event):
"""
This method reimplements the :meth:`QWidget.keyPressEvent` method.
:param event: QEvent ( QEvent )
"""
key = event.key()
if key == Qt.Key_Plus:
self.scaleView(self.__keyZoomFactor)
elif key == Qt.Key_Minus:
self.scaleView(1 / self.__keyZoomFactor)
else:
super(ImagesPreviewer, self).keyPressEvent(event)
def __initializeUi(self):
"""
This method initializes the Widget ui.
"""
LOGGER.debug("> Initializing '{0}' ui.".format(self.__class__.__name__))
self.Previous_Image_pushButton.setIcon(QIcon(os.path.join(self.__uiResourcesDirectory, self.__uiPreviousImage)))
self.Next_Image_pushButton.setIcon(QIcon(os.path.join(self.__uiResourcesDirectory, self.__uiNextImage)))
self.Zoom_In_pushButton.setIcon(QIcon(os.path.join(self.__uiResourcesDirectory, self.__uiZoomInImage)))
self.Zoom_Out_pushButton.setIcon(QIcon(os.path.join(self.__uiResourcesDirectory, self.__uiZoomOutImage)))
len(self.__paths) <= 1 and self.Navigation_frame.hide()
LOGGER.debug("> Initializing graphics View.")
self.__graphicsView = QGraphicsView()
self.__graphicsView.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.__graphicsView.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.__graphicsView.setTransformationAnchor(QGraphicsView.AnchorUnderMouse)
self.__graphicsView.setDragMode(QGraphicsView.ScrollHandDrag)
# Reimplementing QGraphicsView wheelEvent method.
self.__graphicsView.wheelEvent = self.wheelEvent
LOGGER.debug("> Initializing graphics scene.")
self.__graphicsScene = QGraphicsScene(self.__graphicsView)
self.__graphicsScene.setItemIndexMethod(QGraphicsScene.NoIndex)
self.__graphicsScene.setSceneRect(-(float(self.__graphicsSceneWidth)) / 2,
- (float(self.__graphicsSceneHeight)) / 2,
float(self.__graphicsSceneWidth),
float(self.__graphicsSceneHeight))
self.__graphicsView.setScene(self.__graphicsScene)
self.__graphicsView.setBackgroundBrush(QBrush(self.__graphicsSceneBackgroundColor))
self.Images_Previewer_frame_gridLayout.addWidget(self.__graphicsView)
# Signals / Slots.
self.__container.engine.imagesCaches.QImage.contentAdded.connect(self.__engine_imagesCaches_QImage__contentAdded)
self.Previous_Image_pushButton.clicked.connect(self.__Previous_Image_pushButton__clicked)
self.Next_Image_pushButton.clicked.connect(self.__Next_Image_pushButton__clicked)
self.Zoom_Out_pushButton.clicked.connect(self.__Zoom_Out_pushButton__clicked)
self.Zoom_In_pushButton.clicked.connect(self.__Zoom_In_pushButton__clicked)
self.Zoom_Fit_pushButton.clicked.connect(self.__Zoom_Fit_pushButton__clicked)
def __Images_Informations_label_setUi(self):
"""
This method sets the **Images_Informations_label** Widget ui.
"""
if not self.__displayGraphicsItem:
return
image = self.__displayGraphicsItem.image
self.Images_Informations_label.setText("{0} - {1}x{2} px - {3} bit".format(os.path.basename(image.data.path),
image.data.width,
image.data.height,
image.data.bpp / 4))
def __engine_imagesCaches_QImage__contentAdded(self, content):
"""
This method is triggered by the Application **QImage** images cache when content has been added.
:param content: Cache added content. ( List )
"""
if not self.__paths:
return
path = foundations.common.getFirstItem(content)
if not path in self.__paths:
return
image = self.__container.engine.imagesCaches.QImage.getContent(path)
self.__setDisplayGraphicsItem(image)
def __Previous_Image_pushButton__clicked(self, checked):
"""
This method is triggered when **Previous_Image_pushButton** Widget is clicked.
:param checked: Checked state. ( Boolean )
"""
self.loopThroughImages(True)
def __Next_Image_pushButton__clicked(self, checked):
"""
This method is triggered when **Next_Image_pushButton** Widget is clicked.
:param checked: Checked state. ( Boolean )
"""
self.loopThroughImages()
def __Zoom_In_pushButton__clicked(self, checked):
"""
This method is triggered when **Zoom_In_pushButton** Widget is clicked.
:param checked: Checked state. ( Boolean )
"""
self.scaleView(self.__keyZoomFactor)
def __Zoom_Out_pushButton__clicked(self, checked):
"""
This method is triggered when **Zoom_Out_pushButton** Widget is clicked.
:param checked: Checked state. ( Boolean )
"""
self.scaleView(1 / self.__keyZoomFactor)
def __Zoom_Fit_pushButton__clicked(self, checked):
"""
This method is triggered when **Zoom_Fit_pushButton** Widget is clicked.
:param checked: Checked state. ( Boolean )
"""
self.fitImage()
def __clearGraphicsScene(self):
"""
This method clears the View.
"""
for graphicsItem in self.__graphicsScene.items():
self.__graphicsScene.removeItem(graphicsItem)
def __setDisplayGraphicsItem(self, image):
"""
This method sets the View using given image.
:param image: Image to display. ( Qimage )
"""
self.__clearGraphicsScene()
LOGGER.debug("> Initializing graphics item.")
self.__displayGraphicsItem = Image_QGraphicsItem(image=image)
self.__graphicsScene.addItem(self.__displayGraphicsItem)
self.__Images_Informations_label_setUi()
def loadImage(self, index=0):
"""
This method loads the display image in the View.
:param index: Index to load. ( Integer )
:return: Method success. ( Boolean )
"""
if not self.__paths:
return False
image = sibl_gui.ui.common.getImage(self.__paths[index])
self.__setDisplayGraphicsItem(image)
return True
def scaleView(self, scaleFactor):
"""
This method scales the Previewer view.
:param scaleFactor: Float ( Float )
:return: Method success. ( Boolean )
"""
graphicsView = self.findChild(QGraphicsView)
factor = graphicsView.matrix().scale(scaleFactor, scaleFactor).mapRect(QRectF(0, 0, 1, 1)).width()
if factor < self.__minimumZoomFactor or factor > self.__maximumZoomFactor:
return False
graphicsView.scale(scaleFactor, scaleFactor)
return True
def fitWindow(self):
"""
This method fits the View window.
:return: Method success. ( Boolean )
"""
if not self.__displayGraphicsItem:
return False
desktopWidth = QApplication.desktop().screenGeometry(QApplication.desktop().primaryScreen()).width()
desktopHeight = QApplication.desktop().screenGeometry(QApplication.desktop().primaryScreen()).height()
width = min(desktopWidth * 0.80, self.__displayGraphicsItem.width)
height = min(desktopHeight * 0.80, self.__displayGraphicsItem.height)
self.resize(width, height)
foundations.ui.common.centerWidgetOnScreen(self)
return True
def fitImage(self):
"""
This method fits the image to the View.
:return: Method success. ( Boolean )
"""
if not self.__displayGraphicsItem:
return False
self.__graphicsView.fitInView(
QRectF(-(self.__displayGraphicsItem.width / 2) - (self.__displayGraphicsItemMargin / 2),
- (self.__displayGraphicsItem.height / 2) - (self.__displayGraphicsItemMargin / 2),
self.__displayGraphicsItem.width + self.__displayGraphicsItemMargin,
self.__displayGraphicsItem.height + self.__displayGraphicsItemMargin),
Qt.KeepAspectRatio)
return True
def loopThroughImages(self, backward=False):
"""
This method loops through View images.
:param backward: Looping backward. ( Boolean )
:return: Method success. ( Boolean )
"""
index = self.__paths.index(self.__displayGraphicsItem.image.data.path)
index += not backward and 1 or -1
if index < 0:
index = len(self.__paths) - 1
elif index > len(self.__paths) - 1:
index = 0
self.loadImage(index)
return True
class ImagesPreviewer(foundations.ui.common.QWidgetFactory(uiFile=UI_FILE)):
"""
| This class provides the Application images previewer.
| It defines methods to navigate through the list of given images ( List of images paths ),
zoom in / out and fit the displayed image, etc...
"""
def __init__(self, parent, paths=None, *args, **kwargs):
"""
This method initializes the class.
:param parent: Object parent. ( QObject )
:param paths: Images paths. ( Tuple / List )
:param \*args: Arguments. ( \* )
:param \*\*kwargs: Keywords arguments. ( \*\* )
"""
LOGGER.debug("> Initializing '{0}()' class.".format(
self.__class__.__name__))
super(ImagesPreviewer, self).__init__(parent, *args, **kwargs)
# --- Setting class attributes. ---
self.__container = parent
self.__paths = None
self.paths = paths
self.__uiResourcesDirectory = "resources"
self.__uiResourcesDirectory = os.path.join(os.path.dirname(__file__),
self.__uiResourcesDirectory)
self.__uiPreviousImage = "Previous.png"
self.__uiNextImage = "Next.png"
self.__uiZoomOutImage = "Zoom_Out.png"
self.__uiZoomInImage = "Zoom_In.png"
# Ensure the ui object is destroyed on close to avoid memory leaks.
self.setAttribute(Qt.WA_DeleteOnClose)
self.__graphicsSceneBackgroundColor = QColor(32, 32, 32)
self.__minimumZoomFactor = 0.05
self.__maximumZoomFactor = 25
self.__displayGraphicsItemMargin = 32
self.__graphicsSceneWidth = QApplication.desktop().screenGeometry(
QApplication.desktop().primaryScreen()).width() * (
1 / self.__minimumZoomFactor * 1.75)
self.__graphicsSceneHeight = QApplication.desktop().screenGeometry(
QApplication.desktop().primaryScreen()).height() * (
1 / self.__minimumZoomFactor * 1.75)
self.__wheelZoomFactor = 350.0
self.__keyZoomFactor = 1.20
self.__graphicsView = None
self.__graphicsScene = None
self.__displayGraphicsItem = None
ImagesPreviewer.__initializeUi(self)
self.loadImage()
#******************************************************************************************************************
#*** Attributes properties.
#******************************************************************************************************************
@property
def container(self):
"""
This method is the property for **self.__container** attribute.
:return: self.__container. ( QObject )
"""
return self.__container
@container.setter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def container(self, value):
"""
This method is the setter method for **self.__container** attribute.
:param value: Attribute value. ( QObject )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(
self.__class__.__name__, "container"))
@container.deleter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def container(self):
"""
This method is the deleter method for **self.__container** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(
self.__class__.__name__, "container"))
@property
def paths(self):
"""
This method is the property for **self.__paths** attribute.
:return: self.__paths. ( Tuple / List )
"""
return self.__paths
@paths.setter
@foundations.exceptions.handleExceptions(AssertionError)
def paths(self, value):
"""
This method is the setter method for **self.__paths** attribute.
:param value: Attribute value. ( Tuple / List )
"""
if value is not None:
assert type(value) in (
tuple, list
), "'{0}' attribute: '{1}' type is not 'tuple' or 'list'!".format(
"paths", value)
for element in value:
assert type(
element
) is unicode, "'{0}' attribute: '{1}' type is not 'unicode'!".format(
"paths", element)
self.__paths = value
@paths.deleter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def paths(self):
"""
This method is the deleter method for **self.__paths** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(
self.__class__.__name__, "paths"))
@property
def uiResourcesDirectory(self):
"""
This method is the property for **self.__uiResourcesDirectory** attribute.
:return: self.__uiResourcesDirectory. ( String )
"""
return self.__uiResourcesDirectory
@uiResourcesDirectory.setter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def uiResourcesDirectory(self, value):
"""
This method is the setter method for **self.__uiResourcesDirectory** attribute.
:param value: Attribute value. ( String )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(
self.__class__.__name__, "uiResourcesDirectory"))
@uiResourcesDirectory.deleter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def uiResourcesDirectory(self):
"""
This method is the deleter method for **self.__uiResourcesDirectory** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(
self.__class__.__name__, "uiResourcesDirectory"))
@property
def uiPreviousImage(self):
"""
This method is the property for **self.__uiPreviousImage** attribute.
:return: self.__uiPreviousImage. ( String )
"""
return self.__uiPreviousImage
@uiPreviousImage.setter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def uiPreviousImage(self, value):
"""
This method is the setter method for **self.__uiPreviousImage** attribute.
:param value: Attribute value. ( String )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(
self.__class__.__name__, "uiPreviousImage"))
@uiPreviousImage.deleter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def uiPreviousImage(self):
"""
This method is the deleter method for **self.__uiPreviousImage** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(
self.__class__.__name__, "uiPreviousImage"))
@property
def uiNextImage(self):
"""
This method is the property for **self.__uiNextImage** attribute.
:return: self.__uiNextImage. ( String )
"""
return self.__uiNextImage
@uiNextImage.setter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def uiNextImage(self, value):
"""
This method is the setter method for **self.__uiNextImage** attribute.
:param value: Attribute value. ( String )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(
self.__class__.__name__, "uiNextImage"))
@uiNextImage.deleter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def uiNextImage(self):
"""
This method is the deleter method for **self.__uiNextImage** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(
self.__class__.__name__, "uiNextImage"))
@property
def uiZoomOutImage(self):
"""
This method is the property for **self.__uiZoomOutImage** attribute.
:return: self.__uiZoomOutImage. ( String )
"""
return self.__uiZoomOutImage
@uiZoomOutImage.setter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def uiZoomOutImage(self, value):
"""
This method is the setter method for **self.__uiZoomOutImage** attribute.
:param value: Attribute value. ( String )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(
self.__class__.__name__, "uiZoomOutImage"))
@uiZoomOutImage.deleter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def uiZoomOutImage(self):
"""
This method is the deleter method for **self.__uiZoomOutImage** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(
self.__class__.__name__, "uiZoomOutImage"))
@property
def uiZoomInImage(self):
"""
This method is the property for **self.__uiZoomInImage** attribute.
:return: self.__uiZoomInImage. ( String )
"""
return self.__uiZoomInImage
@uiZoomInImage.setter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def uiZoomInImage(self, value):
"""
This method is the setter method for **self.__uiZoomInImage** attribute.
:param value: Attribute value. ( String )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(
self.__class__.__name__, "uiZoomInImage"))
@uiZoomInImage.deleter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def uiZoomInImage(self):
"""
This method is the deleter method for **self.__uiZoomInImage** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(
self.__class__.__name__, "uiZoomInImage"))
@property
def graphicsSceneBackgroundColor(self):
"""
This method is the property for **self.__graphicsSceneBackgroundColor** attribute.
:return: self.__graphicsSceneBackgroundColor. ( QColors )
"""
return self.__graphicsSceneBackgroundColor
@graphicsSceneBackgroundColor.setter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def graphicsSceneBackgroundColor(self, value):
"""
This method is the setter method for **self.__graphicsSceneBackgroundColor** attribute.
:param value: Attribute value. ( QColors )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(
self.__class__.__name__, "graphicsSceneBackgroundColor"))
@graphicsSceneBackgroundColor.deleter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def graphicsSceneBackgroundColor(self):
"""
This method is the deleter method for **self.__graphicsSceneBackgroundColor** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(
self.__class__.__name__, "graphicsSceneBackgroundColor"))
@property
def graphicsSceneWidth(self):
"""
This method is the property for **self.__graphicsSceneWidth** attribute.
:return: self.__graphicsSceneWidth. ( Integer )
"""
return self.__graphicsSceneWidth
@graphicsSceneWidth.setter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def graphicsSceneWidth(self, value):
"""
This method is the setter method for **self.__graphicsSceneWidth** attribute.
:param value: Attribute value. ( Integer )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(
self.__class__.__name__, "graphicsSceneWidth"))
@graphicsSceneWidth.deleter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def graphicsSceneWidth(self):
"""
This method is the deleter method for **self.__graphicsSceneWidth** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(
self.__class__.__name__, "graphicsSceneWidth"))
@property
def graphicsSceneHeight(self):
"""
This method is the property for **self.__graphicsSceneHeight** attribute.
:return: self.__graphicsSceneHeight. ( Object )
"""
return self.__graphicsSceneHeight
@graphicsSceneHeight.setter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def graphicsSceneHeight(self, value):
"""
This method is the setter method for **self.__graphicsSceneHeight** attribute.
:param value: Attribute value. ( Object )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(
self.__class__.__name__, "graphicsSceneHeight"))
@graphicsSceneHeight.deleter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def graphicsSceneHeight(self):
"""
This method is the deleter method for **self.__graphicsSceneHeight** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(
self.__class__.__name__, "graphicsSceneHeight"))
@property
def minimumZoomFactor(self):
"""
This method is the property for **self.__minimumZoomFactor** attribute.
:return: self.__minimumZoomFactor. ( Float )
"""
return self.__minimumZoomFactor
@minimumZoomFactor.setter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def minimumZoomFactor(self, value):
"""
This method is the setter method for **self.__minimumZoomFactor** attribute.
:param value: Attribute value. ( Float )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(
self.__class__.__name__, "minimumZoomFactor"))
@minimumZoomFactor.deleter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def minimumZoomFactor(self):
"""
This method is the deleter method for **self.__minimumZoomFactor** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(
self.__class__.__name__, "minimumZoomFactor"))
@property
def maximumZoomFactor(self):
"""
This method is the property for **self.__maximumZoomFactor** attribute.
:return: self.__maximumZoomFactor. ( Float )
"""
return self.__maximumZoomFactor
@maximumZoomFactor.setter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def maximumZoomFactor(self, value):
"""
This method is the setter method for **self.__maximumZoomFactor** attribute.
:param value: Attribute value. ( Float )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(
self.__class__.__name__, "maximumZoomFactor"))
@maximumZoomFactor.deleter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def maximumZoomFactor(self):
"""
This method is the deleter method for **self.__maximumZoomFactor** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(
self.__class__.__name__, "maximumZoomFactor"))
@property
def wheelZoomFactor(self):
"""
This method is the property for **self.__wheelZoomFactor** attribute.
:return: self.__wheelZoomFactor. ( Float )
"""
return self.__wheelZoomFactor
@wheelZoomFactor.setter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def wheelZoomFactor(self, value):
"""
This method is the setter method for **self.__wheelZoomFactor** attribute.
:param value: Attribute value. ( Float )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(
self.__class__.__name__, "wheelZoomFactor"))
@wheelZoomFactor.deleter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def wheelZoomFactor(self):
"""
This method is the deleter method for **self.__wheelZoomFactor** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(
self.__class__.__name__, "wheelZoomFactor"))
@property
def keyZoomFactor(self):
"""
This method is the property for **self.__keyZoomFactor** attribute.
:return: self.__keyZoomFactor. ( Float )
"""
return self.__keyZoomFactor
@keyZoomFactor.setter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def keyZoomFactor(self, value):
"""
This method is the setter method for **self.__keyZoomFactor** attribute.
:param value: Attribute value. ( Float )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(
self.__class__.__name__, "keyZoomFactor"))
@keyZoomFactor.deleter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def keyZoomFactor(self):
"""
This method is the deleter method for **self.__keyZoomFactor** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(
self.__class__.__name__, "keyZoomFactor"))
@property
def graphicsView(self):
"""
This method is the property for **self.__graphicsView** attribute.
:return: self.__graphicsView. ( QGraphicsView )
"""
return self.__graphicsView
@graphicsView.setter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def graphicsView(self, value):
"""
This method is the setter method for **self.__graphicsView** attribute.
:param value: Attribute value. ( QGraphicsView )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(
self.__class__.__name__, "graphicsView"))
@graphicsView.deleter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def graphicsView(self):
"""
This method is the deleter method for **self.__graphicsView** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(
self.__class__.__name__, "graphicsView"))
@property
def graphicsScene(self):
"""
This method is the property for **self.__graphicsScene** attribute.
:return: self.__graphicsScene. ( QGraphicsScene )
"""
return self.__graphicsScene
@graphicsScene.setter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def graphicsScene(self, value):
"""
This method is the setter method for **self.__graphicsScene** attribute.
:param value: Attribute value. ( QGraphicsScene )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(
self.__class__.__name__, "graphicsScene"))
@graphicsScene.deleter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def graphicsScene(self):
"""
This method is the deleter method for **self.__graphicsScene** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(
self.__class__.__name__, "graphicsScene"))
@property
def displayGraphicsItem(self):
"""
This method is the property for **self.__displayGraphicsItem** attribute.
:return: self.__displayGraphicsItem. ( QGraphicsItem )
"""
return self.__displayGraphicsItem
@displayGraphicsItem.setter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def displayGraphicsItem(self, value):
"""
This method is the setter method for **self.__displayGraphicsItem** attribute.
:param value: Attribute value. ( QGraphicsItem )
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is read only!".format(
self.__class__.__name__, "displayGraphicsItem"))
@displayGraphicsItem.deleter
@foundations.exceptions.handleExceptions(
foundations.exceptions.ProgrammingError)
def displayGraphicsItem(self):
"""
This method is the deleter method for **self.__displayGraphicsItem** attribute.
"""
raise foundations.exceptions.ProgrammingError(
"{0} | '{1}' attribute is not deletable!".format(
self.__class__.__name__, "displayGraphicsItem"))
#******************************************************************************************************************
#*** Class methods.
#******************************************************************************************************************
def show(self):
"""
This method reimplements the :meth:`QWidget.show` method.
"""
super(ImagesPreviewer, self).show()
foundations.ui.common.centerWidgetOnScreen(self)
def closeEvent(self, event):
"""
This method reimplements the :meth:`QWidget.closeEvent` method.
:param event: QEvent ( QEvent )
"""
LOGGER.debug(
"> Removing '{0}' from Images Previewers list.".format(self))
self.__container.imagesPreviewers.remove(self)
event.accept()
def wheelEvent(self, event):
"""
This method reimplements the :meth:`QWidget.wheelEvent` method.
:param event: QEvent ( QEvent )
"""
self.scaleView(pow(1.5, event.delta() / self.__wheelZoomFactor))
def keyPressEvent(self, event):
"""
This method reimplements the :meth:`QWidget.keyPressEvent` method.
:param event: QEvent ( QEvent )
"""
key = event.key()
if key == Qt.Key_Plus:
self.scaleView(self.__keyZoomFactor)
elif key == Qt.Key_Minus:
self.scaleView(1 / self.__keyZoomFactor)
else:
super(ImagesPreviewer, self).keyPressEvent(event)
def __initializeUi(self):
"""
This method initializes the Widget ui.
"""
LOGGER.debug("> Initializing '{0}' ui.".format(
self.__class__.__name__))
self.Previous_Image_pushButton.setIcon(
QIcon(
os.path.join(self.__uiResourcesDirectory,
self.__uiPreviousImage)))
self.Next_Image_pushButton.setIcon(
QIcon(os.path.join(self.__uiResourcesDirectory,
self.__uiNextImage)))
self.Zoom_In_pushButton.setIcon(
QIcon(
os.path.join(self.__uiResourcesDirectory,
self.__uiZoomInImage)))
self.Zoom_Out_pushButton.setIcon(
QIcon(
os.path.join(self.__uiResourcesDirectory,
self.__uiZoomOutImage)))
len(self.__paths) <= 1 and self.Navigation_frame.hide()
LOGGER.debug("> Initializing graphics View.")
self.__graphicsView = QGraphicsView()
self.__graphicsView.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.__graphicsView.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
self.__graphicsView.setTransformationAnchor(
QGraphicsView.AnchorUnderMouse)
self.__graphicsView.setDragMode(QGraphicsView.ScrollHandDrag)
# Reimplementing QGraphicsView wheelEvent method.
self.__graphicsView.wheelEvent = self.wheelEvent
LOGGER.debug("> Initializing graphics scene.")
self.__graphicsScene = QGraphicsScene(self.__graphicsView)
self.__graphicsScene.setItemIndexMethod(QGraphicsScene.NoIndex)
self.__graphicsScene.setSceneRect(
-(float(self.__graphicsSceneWidth)) / 2,
-(float(self.__graphicsSceneHeight)) / 2,
float(self.__graphicsSceneWidth),
float(self.__graphicsSceneHeight))
self.__graphicsView.setScene(self.__graphicsScene)
self.__graphicsView.setBackgroundBrush(
QBrush(self.__graphicsSceneBackgroundColor))
self.Images_Previewer_frame_gridLayout.addWidget(self.__graphicsView)
# Signals / Slots.
self.__container.engine.imagesCaches.QImage.contentAdded.connect(
self.__engine_imagesCaches_QImage__contentAdded)
self.Previous_Image_pushButton.clicked.connect(
self.__Previous_Image_pushButton__clicked)
self.Next_Image_pushButton.clicked.connect(
self.__Next_Image_pushButton__clicked)
self.Zoom_Out_pushButton.clicked.connect(
self.__Zoom_Out_pushButton__clicked)
self.Zoom_In_pushButton.clicked.connect(
self.__Zoom_In_pushButton__clicked)
self.Zoom_Fit_pushButton.clicked.connect(
self.__Zoom_Fit_pushButton__clicked)
def __Images_Informations_label_setUi(self):
"""
This method sets the **Images_Informations_label** Widget ui.
"""
if not self.__displayGraphicsItem:
return
image = self.__displayGraphicsItem.image
self.Images_Informations_label.setText(
"{0} - {1}x{2} px - {3} bit".format(
os.path.basename(image.data.path), image.data.width,
image.data.height, image.data.bpp / 4))
def __engine_imagesCaches_QImage__contentAdded(self, content):
"""
This method is triggered by the Application **QImage** images cache when content has been added.
:param content: Cache added content. ( List )
"""
if not self.__paths:
return
path = foundations.common.getFirstItem(content)
if not path in self.__paths:
return
image = self.__container.engine.imagesCaches.QImage.getContent(path)
self.__setDisplayGraphicsItem(image)
def __Previous_Image_pushButton__clicked(self, checked):
"""
This method is triggered when **Previous_Image_pushButton** Widget is clicked.
:param checked: Checked state. ( Boolean )
"""
self.loopThroughImages(True)
def __Next_Image_pushButton__clicked(self, checked):
"""
This method is triggered when **Next_Image_pushButton** Widget is clicked.
:param checked: Checked state. ( Boolean )
"""
self.loopThroughImages()
def __Zoom_In_pushButton__clicked(self, checked):
"""
This method is triggered when **Zoom_In_pushButton** Widget is clicked.
:param checked: Checked state. ( Boolean )
"""
self.scaleView(self.__keyZoomFactor)
def __Zoom_Out_pushButton__clicked(self, checked):
"""
This method is triggered when **Zoom_Out_pushButton** Widget is clicked.
:param checked: Checked state. ( Boolean )
"""
self.scaleView(1 / self.__keyZoomFactor)
def __Zoom_Fit_pushButton__clicked(self, checked):
"""
This method is triggered when **Zoom_Fit_pushButton** Widget is clicked.
:param checked: Checked state. ( Boolean )
"""
self.fitImage()
def __clearGraphicsScene(self):
"""
This method clears the View.
"""
for graphicsItem in self.__graphicsScene.items():
self.__graphicsScene.removeItem(graphicsItem)
def __setDisplayGraphicsItem(self, image):
"""
This method sets the View using given image.
:param image: Image to display. ( Qimage )
"""
self.__clearGraphicsScene()
LOGGER.debug("> Initializing graphics item.")
self.__displayGraphicsItem = Image_QGraphicsItem(image=image)
self.__graphicsScene.addItem(self.__displayGraphicsItem)
self.__Images_Informations_label_setUi()
def loadImage(self, index=0):
"""
This method loads the display image in the View.
:param index: Index to load. ( Integer )
:return: Method success. ( Boolean )
"""
if not self.__paths:
return False
image = sibl_gui.ui.common.getImage(self.__paths[index])
self.__setDisplayGraphicsItem(image)
return True
def scaleView(self, scaleFactor):
"""
This method scales the Previewer view.
:param scaleFactor: Float ( Float )
:return: Method success. ( Boolean )
"""
graphicsView = self.findChild(QGraphicsView)
factor = graphicsView.matrix().scale(scaleFactor, scaleFactor).mapRect(
QRectF(0, 0, 1, 1)).width()
if factor < self.__minimumZoomFactor or factor > self.__maximumZoomFactor:
return False
graphicsView.scale(scaleFactor, scaleFactor)
return True
def fitWindow(self):
"""
This method fits the View window.
:return: Method success. ( Boolean )
"""
if not self.__displayGraphicsItem:
return False
desktopWidth = QApplication.desktop().screenGeometry(
QApplication.desktop().primaryScreen()).width()
desktopHeight = QApplication.desktop().screenGeometry(
QApplication.desktop().primaryScreen()).height()
width = min(desktopWidth * 0.80, self.__displayGraphicsItem.width)
height = min(desktopHeight * 0.80, self.__displayGraphicsItem.height)
self.resize(width, height)
foundations.ui.common.centerWidgetOnScreen(self)
return True
def fitImage(self):
"""
This method fits the image to the View.
:return: Method success. ( Boolean )
"""
if not self.__displayGraphicsItem:
return False
self.__graphicsView.fitInView(
QRectF(
-(self.__displayGraphicsItem.width / 2) -
(self.__displayGraphicsItemMargin / 2),
-(self.__displayGraphicsItem.height / 2) -
(self.__displayGraphicsItemMargin / 2),
self.__displayGraphicsItem.width +
self.__displayGraphicsItemMargin,
self.__displayGraphicsItem.height +
self.__displayGraphicsItemMargin), Qt.KeepAspectRatio)
return True
def loopThroughImages(self, backward=False):
"""
This method loops through View images.
:param backward: Looping backward. ( Boolean )
:return: Method success. ( Boolean )
"""
index = self.__paths.index(self.__displayGraphicsItem.image.data.path)
index += not backward and 1 or -1
if index < 0:
index = len(self.__paths) - 1
elif index > len(self.__paths) - 1:
index = 0
self.loadImage(index)
return True
class ClassDiagram(QWidget, itab_item.ITabItem):
def __init__(self, actions, parent=None):
QWidget.__init__(self, parent)
itab_item.ITabItem.__init__(self)
self.actions = actions
self.graphicView = QGraphicsView(self)
self.scene = QGraphicsScene()
self.graphicView.setScene(self.scene)
self.graphicView.setViewportUpdateMode(
QGraphicsView.BoundingRectViewportUpdate)
vLayout = QVBoxLayout(self)
self.setLayout(vLayout)
vLayout.addWidget(self.graphicView)
self.scene.setItemIndexMethod(QGraphicsScene.NoIndex)
self.scene.setSceneRect(-200, -200, 400, 400)
self.graphicView.setMinimumSize(400, 400)
actualProject = self.actions.ide.explorer.get_actual_project()
arrClasses = self.actions._locator.get_classes_from_project(
actualProject)
#FIXME:dirty need to fix
self.mX = -400
self.mY = -320
self.hightestY = self.mY
filesList = []
for elem in arrClasses:
#loking for paths
filesList.append(elem[2])
for path in set(filesList):
self.create_class(path)
def create_class(self, path):
content = file_manager.read_file_content(path)
items = introspection.obtain_symbols(content)
mYPadding = 10
mXPadding = 10
for classname, classdetail in list(items["classes"].items()):
cl = ClassModel(self.graphicView, self.scene)
cl.set_class_name(classname)
self.fill_clases(cl, classdetail[1])
self.scene.addItem(cl)
cl.setPos(self.mX, self.mY)
self.mX += cl._get_width() + mXPadding
if self.hightestY < self.mY + cl.get_height():
self.hightestY = self.mY + cl.get_height()
if self.mX > 2000:
self.mX = -400
self.mY += self.hightestY + mYPadding
def fill_clases(self, classComponent, classContent):
funct = classContent['functions']
classComponent.set_functions_list(funct)
attr = classContent['attributes']
classComponent.set_attributes_list(attr)
def scale_view(self, scaleFactor):
factor = self.graphicView.transform().scale(
scaleFactor, scaleFactor).mapRect(QRectF(0, 0, 1, 1)).width()
if factor > 0.05 and factor < 15:
self.graphicView.scale(scaleFactor, scaleFactor)
def keyPressEvent(self, event):
taskList = {
Qt.Key_Plus: lambda: self.scaleView(1.2),
Qt.Key_Minus: lambda: self.scaleView(1 / 1.2)}
if(event.key() in taskList):
taskList[event.key()]()
else:
QWidget.keyPressEvent(self, event)
