def keyPressEvent(self, event):
""" keyPressEvent(event: QKeyEvent) -> None
Capture 'Del', 'Backspace' for pruning versions when not editing a tag
"""
selectedItems = self.selectedItems()
versions = [
item.id for item in selectedItems
if isinstance(item, QGraphicsVersionItem)
and not item.text.hasFocus()
]
if (self.controller and len(versions) > 0 and event.key()
in [QtCore.Qt.Key_Backspace, QtCore.Qt.Key_Delete]):
event.accept()
versions = [item.id for item in selectedItems]
res = vistrails.gui.utils.show_question(
"VisTrails", "Are you sure that you want to "
"prune the selected version(s)?", [
vistrails.gui.utils.YES_BUTTON,
vistrails.gui.utils.NO_BUTTON
], vistrails.gui.utils.NO_BUTTON)
if res == vistrails.gui.utils.YES_BUTTON:
self.controller.prune_versions(versions)
else:
qt_super(QVersionTreeScene, self).keyPressEvent(event)
def mouseDoubleClickEvent(self, e):
""" mouseDoubleClickEvent(self, e: QMouseEvent) -> None
Try to avoid unselect if double-click on the background
"""
if not self.canSelectBackground:
return
else:
qt_super(QInteractiveGraphicsView, self).mouseDoubleClickEvent(e)
def mouseDoubleClickEvent(self, e):
""" mouseDoubleClickEvent(self, e: QMouseEvent) -> None
Try to avoid unselect if double-click on the background
"""
if not self.canSelectBackground:
return
else:
qt_super(QInteractiveGraphicsView, self).mouseDoubleClickEvent(e)
def moveEvent(self,e):
""" moveEvent(e: QEvent) -> None
Echo the move event into vtkRenderWindow
"""
qt_super(QVTKWidget, self).moveEvent(e)
if not self.mRenWin:
return
self.mRenWin.SetPosition(self.x(),self.y())
def mouseReleaseEvent(self, event):
""" mouseReleaseEvent(event: QMouseEvent) -> None
"""
qt_super(QGraphicsLinkItem, self).mouseReleaseEvent(event)
if self.expand:
self.scene().controller.expand_versions(self.startVersion, self.endVersion)
elif self.collapse:
self.scene().controller.collapse_versions(self.endVersion)
self.setSelected(False)
def moveEvent(self, e):
""" moveEvent(e: QEvent) -> None
Echo the move event into vtkRenderWindow
"""
qt_super(QVTKWidget, self).moveEvent(e)
if not self.mRenWin:
return
self.mRenWin.SetPosition(self.x(), self.y())
def mouseReleaseEvent(self, event):
""" mouseReleaseEvent(event: QMouseEvent) -> None
"""
qt_super(QGraphicsLinkItem, self).mouseReleaseEvent(event)
if self.expand:
self.scene().controller.expand_versions(self.startVersion, self.endVersion)
elif self.collapse:
self.scene().controller.collapse_versions(self.endVersion)
self.setSelected(False)
def resizeEvent(self, e):
""" resizeEvent(e: QEvent) -> None
Re-adjust the vtkRenderWindow size then QVTKViewWidget resized
"""
qt_super(QVTKViewWidget, self).resizeEvent(e)
if not self.mRenWin:
return
self.resizeWindow(self.width(), self.height())
self.mRenWin.Render()
def resizeEvent(self, e):
""" resizeEvent(e: QEvent) -> None
Re-adjust the vtkRenderWindow size then QVTKViewWidget resized
"""
qt_super(QVTKViewWidget, self).resizeEvent(e)
if not self.mRenWin:
return
self.resizeWindow(self.width(), self.height())
self.mRenWin.Render()
def focusOutEvent(self, event):
""" focusOutEvent(event: QEvent) -> None
Update the tag if the text has changed
"""
qt_super(QGraphicsVersionTextItem, self).focusOutEvent(event)
if not self.updatingTag and self.label != self.toPlainText():
self.updatingTag = True
if (self.label == str(self.toPlainText()) or
not self.scene().controller.update_current_tag(str(self.toPlainText()))):
self.reset()
self.updatingTag = False
def focusOutEvent(self, event):
""" focusOutEvent(event: QEvent) -> None
Update the tag if the text has changed
"""
qt_super(QGraphicsVersionTextItem, self).focusOutEvent(event)
if not self.updatingTag and self.label != self.toPlainText():
self.updatingTag = True
if (self.label == str(self.toPlainText()) or
not self.scene().controller.update_current_tag(str(self.toPlainText()))):
self.reset()
self.updatingTag = False
def resizeEvent(self, e):
""" resizeEvent(e: QEvent) -> None
Re-adjust the vtkRenderWindow size then QVTKWidget resized
"""
qt_super(QVTKWidget, self).resizeEvent(e)
if not self.mRenWin:
return
self.resizeWindow(self.width(), self.height())
if self.mRenWin.GetInteractor():
self.mRenWin.GetInteractor().Render()
else:
self.mRenWin.Render()
def resizeEvent(self, e):
""" resizeEvent(e: QEvent) -> None
Re-adjust the vtkRenderWindow size then QVTKWidget resized
"""
qt_super(QVTKWidget, self).resizeEvent(e)
if not self.mRenWin:
return
self.resizeWindow(self.width(), self.height())
if self.mRenWin.GetInteractor():
self.mRenWin.GetInteractor().Render()
else:
self.mRenWin.Render()
def selectModules(self):
""" selectModules() -> None
Overrides parent class to disable text items if you click on background
"""
if self.canSelectRectangle:
br = self.selectionBox.sceneBoundingRect()
else:
br = QtCore.QRectF(self.startSelectingPos, self.startSelectingPos)
items = self.scene().items(br)
if len(items) == 0 or items == [self.selectionBox]:
for item in self.scene().selectedItems():
if isinstance(item, QGraphicsVersionItem):
item.text.clearFocus()
qt_super(QVersionTreeView, self).selectModules()
def event(self, e):
""" event(e: QEvent) -> depends on event type
Process window and interaction events
"""
if e.type()==QtCore.QEvent.ParentAboutToChange:
if self.mRenWin:
if self.mRenWin.GetMapped():
self.mRenWin.Finalize()
else:
if e.type()==QtCore.QEvent.ParentChange:
if self.mRenWin:
self.mRenWin.SetWindowInfo(str(int(self.winId())))
if self.isVisible():
self.mRenWin.Start()
if QtCore.QObject.event(self,e):
return 1
if e.type() == QtCore.QEvent.KeyPress:
self.keyPressEvent(e)
if e.isAccepted():
return e.isAccepted()
return qt_super(QVTKWidget, self).event(e)
def event(self, e):
""" event(e: QEvent) -> depends on event type
Process window and interaction events
"""
if e.type() == QtCore.QEvent.ParentAboutToChange:
if self.mRenWin:
if self.mRenWin.GetMapped():
self.mRenWin.Finalize()
else:
if e.type() == QtCore.QEvent.ParentChange:
if self.mRenWin:
self.mRenWin.SetWindowInfo(str(int(self.winId())))
if self.isVisible():
self.mRenWin.Start()
if QtCore.QObject.event(self, e):
return 1
if e.type() == QtCore.QEvent.KeyPress:
self.keyPressEvent(e)
if e.isAccepted():
return e.isAccepted()
return qt_super(QVTKWidget, self).event(e)
def selectModules(self):
""" selectModules() -> None
Overrides parent class to disable text items if you click on background
"""
if self.canSelectRectangle:
br = self.selectionBox.sceneBoundingRect()
else:
br = QtCore.QRectF(self.startSelectingPos,
self.startSelectingPos)
items = self.scene().items(br)
if len(items)==0 or items==[self.selectionBox]:
for item in self.scene().selectedItems():
if isinstance(item, QGraphicsVersionItem):
item.text.clearFocus()
qt_super(QVersionTreeView, self).selectModules()
def keyPressEvent(self, event):
""" keyPressEvent(event: QEvent) -> None
Enter and Return keys signal a change in the label. Other keys
update the position and size of the parent ellipse during key entry.
"""
if event.key() in [QtCore.Qt.Key_Enter, QtCore.Qt.Key_Return]:
self.updatingTag = True
if (self.label == str(self.toPlainText()) or
not self.scene().controller.update_current_tag(str(self.toPlainText()))):
self.reset()
self.updatingTag = False
event.ignore()
self.clearFocus()
return
qt_super(QGraphicsVersionTextItem, self).keyPressEvent(event)
if (len(str(self.toPlainText())) > 0):
self.setTextWidth(-1)
self.updatePos()
self.parentItem().updateWidthFromLabel()
def keyPressEvent(self, event):
""" keyPressEvent(event: QEvent) -> None
Enter and Return keys signal a change in the label. Other keys
update the position and size of the parent ellipse during key entry.
"""
if event.key() in [QtCore.Qt.Key_Enter, QtCore.Qt.Key_Return]:
self.updatingTag = True
if (self.label == str(self.toPlainText()) or
not self.scene().controller.update_current_tag(str(self.toPlainText()))):
self.reset()
self.updatingTag = False
event.ignore()
self.clearFocus()
return
qt_super(QGraphicsVersionTextItem, self).keyPressEvent(event)
if (len(str(self.toPlainText())) > 0):
self.setTextWidth(-1)
self.updatePos()
self.parentItem().updateWidthFromLabel()
def keyPressEvent(self, event):
""" keyPressEvent(event: QKeyEvent) -> None
Capture 'Del', 'Backspace' for pruning versions when not editing a tag
"""
selectedItems = self.selectedItems()
versions = [item.id for item in selectedItems
if isinstance(item, QGraphicsVersionItem)
and not item.text.hasFocus()]
if (self.controller and len(versions)>0 and
event.key() in [QtCore.Qt.Key_Backspace, QtCore.Qt.Key_Delete]):
event.accept()
versions = [item.id for item in selectedItems]
res = vistrails.gui.utils.show_question("VisTrails",
"Are you sure that you want to "
"prune the selected version(s)?",
[vistrails.gui.utils.YES_BUTTON,
vistrails.gui.utils.NO_BUTTON],
vistrails.gui.utils.NO_BUTTON)
if res == vistrails.gui.utils.YES_BUTTON:
self.controller.prune_versions(versions)
else:
qt_super(QVersionTreeScene, self).keyPressEvent(event)
def mousePressEvent(self, event):
""" mousePressEvent(event: QMouseEvent) -> None
"""
qt_super(QGraphicsLinkItem, self).mousePressEvent(event)
self.setSelected(True)
def mousePressEvent(self, event):
""" mousePressEvent(event: QMouseEvent) -> None
"""
qt_super(QGraphicsLinkItem, self).mousePressEvent(event)
self.setSelected(True)
