def __init__(self,
parent,
widgetsUpdateManager,
repo,
userLogin,
items,
startItemIndex=0):
'''
parent --- parent of this widget.
widgetsUpdateManager --- object that would inform other widgets that some
Item has changed after edit action.
items --- a list of items to show.
startItemIndex --- index of the first item to show.
be able to edit items.
'''
super(ImageViewer, self).__init__(parent)
self.ui = Ui_ImageViewer()
self.ui.setupUi(self)
self.setWindowModality(Qt.WindowModal)
self.__widgetsUpdateManager = widgetsUpdateManager
self.connect(self, QtCore.SIGNAL("handlerSignal"),
self.__widgetsUpdateManager.onHandlerSignal)
self.connect(self, QtCore.SIGNAL("handlerSignals"),
self.__widgetsUpdateManager.onHandlerSignals)
self.items = items
self.i_current = startItemIndex if 0 <= startItemIndex < len(
items) else 0
self.repo = repo
self.user_login = userLogin
self.ui.canvas = Canvas(self)
self.setCentralWidget(self.ui.canvas)
self.__renderCurrentItemFile()
self.connect(self.ui.action_prev, QtCore.SIGNAL("triggered()"),
self.action_prev)
self.connect(self.ui.action_next, QtCore.SIGNAL("triggered()"),
self.action_next)
self.connect(self.ui.action_zoom_in, QtCore.SIGNAL("triggered()"),
self.action_zoom_in)
self.connect(self.ui.action_zoom_out, QtCore.SIGNAL("triggered()"),
self.action_zoom_out)
self.connect(self.ui.action_fit_window,
QtCore.SIGNAL("triggered(bool)"), self.action_fit_window)
self.ui.action_fit_window.setChecked(self.ui.canvas.fit_window)
self.connect(self.ui.action_edit_item, QtCore.SIGNAL("triggered()"),
self.action_edit_item)
self.connect(self.ui.canvas, QtCore.SIGNAL("fit_window_changed"), \
lambda x: self.ui.action_fit_window.setChecked(x))
# Trying to restore window size
try:
width = int(UserConfig().get("image_viewer.width", 640))
height = int(UserConfig().get("image_viewer.height", 480))
self.resize(width, height)
except:
pass
# This code stores window size (after window resizing)
self.save_state_timer = QtCore.QTimer(self)
self.save_state_timer.setSingleShot(True)
self.connect(self.save_state_timer, QtCore.SIGNAL("timeout()"),
self.save_window_state)
#Context menu
self.menu = QtGui.QMenu()
self.menu.addAction(self.ui.action_edit_item)
self.ui.canvas.setContextMenuPolicy(Qt.CustomContextMenu)
self.connect(self.ui.canvas, QtCore.SIGNAL("customContextMenuRequested(const QPoint &)"), \
lambda pos: self.menu.exec_(self.ui.canvas.mapToGlobal(pos)))
def __init__(self, parent, widgetsUpdateManager, repo, userLogin, items, startItemIndex=0):
'''
parent --- parent of this widget.
widgetsUpdateManager --- object that would inform other widgets that some
Item has changed after edit action.
items --- a list of items to show.
startItemIndex --- index of the first item to show.
be able to edit items.
'''
super(ImageViewer, self).__init__(parent)
self.ui = Ui_ImageViewer()
self.ui.setupUi(self)
self.setWindowModality(Qt.WindowModal)
self.__widgetsUpdateManager = widgetsUpdateManager
self.connect(self, QtCore.SIGNAL("handlerSignal"),
self.__widgetsUpdateManager.onHandlerSignal)
self.connect(self, QtCore.SIGNAL("handlerSignals"),
self.__widgetsUpdateManager.onHandlerSignals)
self.items = items
self.i_current = startItemIndex if 0 <= startItemIndex < len(items) else 0
self.repo = repo
self.user_login = userLogin
self.ui.canvas = Canvas(self)
self.setCentralWidget(self.ui.canvas)
self.__renderCurrentItemFile()
self.connect(self.ui.action_prev, QtCore.SIGNAL("triggered()"), self.action_prev)
self.connect(self.ui.action_next, QtCore.SIGNAL("triggered()"), self.action_next)
self.connect(self.ui.action_zoom_in, QtCore.SIGNAL("triggered()"), self.action_zoom_in)
self.connect(self.ui.action_zoom_out, QtCore.SIGNAL("triggered()"), self.action_zoom_out)
self.connect(self.ui.action_fit_window, QtCore.SIGNAL("triggered(bool)"), self.action_fit_window)
self.ui.action_fit_window.setChecked(self.ui.canvas.fit_window)
self.connect(self.ui.action_edit_item, QtCore.SIGNAL("triggered()"), self.action_edit_item)
self.connect(self.ui.canvas, QtCore.SIGNAL("fit_window_changed"), \
lambda x: self.ui.action_fit_window.setChecked(x))
# Trying to restore window size
try:
width = int(UserConfig().get("image_viewer.width", 640))
height = int(UserConfig().get("image_viewer.height", 480))
self.resize(width, height)
except:
pass
# This code stores window size (after window resizing)
self.save_state_timer = QtCore.QTimer(self)
self.save_state_timer.setSingleShot(True)
self.connect(self.save_state_timer, QtCore.SIGNAL("timeout()"), self.save_window_state)
#Context menu
self.menu = QtGui.QMenu()
self.menu.addAction(self.ui.action_edit_item)
self.ui.canvas.setContextMenuPolicy(Qt.CustomContextMenu)
self.connect(self.ui.canvas, QtCore.SIGNAL("customContextMenuRequested(const QPoint &)"), \
lambda pos: self.menu.exec_(self.ui.canvas.mapToGlobal(pos)))
class ImageViewer(QtGui.QMainWindow):
'''
This is a built-in Reggata Image Viewer.
'''
def __init__(self,
parent,
widgetsUpdateManager,
repo,
userLogin,
items,
startItemIndex=0):
'''
parent --- parent of this widget.
widgetsUpdateManager --- object that would inform other widgets that some
Item has changed after edit action.
items --- a list of items to show.
startItemIndex --- index of the first item to show.
be able to edit items.
'''
super(ImageViewer, self).__init__(parent)
self.ui = Ui_ImageViewer()
self.ui.setupUi(self)
self.setWindowModality(Qt.WindowModal)
self.__widgetsUpdateManager = widgetsUpdateManager
self.connect(self, QtCore.SIGNAL("handlerSignal"),
self.__widgetsUpdateManager.onHandlerSignal)
self.connect(self, QtCore.SIGNAL("handlerSignals"),
self.__widgetsUpdateManager.onHandlerSignals)
self.items = items
self.i_current = startItemIndex if 0 <= startItemIndex < len(
items) else 0
self.repo = repo
self.user_login = userLogin
self.ui.canvas = Canvas(self)
self.setCentralWidget(self.ui.canvas)
self.__renderCurrentItemFile()
self.connect(self.ui.action_prev, QtCore.SIGNAL("triggered()"),
self.action_prev)
self.connect(self.ui.action_next, QtCore.SIGNAL("triggered()"),
self.action_next)
self.connect(self.ui.action_zoom_in, QtCore.SIGNAL("triggered()"),
self.action_zoom_in)
self.connect(self.ui.action_zoom_out, QtCore.SIGNAL("triggered()"),
self.action_zoom_out)
self.connect(self.ui.action_fit_window,
QtCore.SIGNAL("triggered(bool)"), self.action_fit_window)
self.ui.action_fit_window.setChecked(self.ui.canvas.fit_window)
self.connect(self.ui.action_edit_item, QtCore.SIGNAL("triggered()"),
self.action_edit_item)
self.connect(self.ui.canvas, QtCore.SIGNAL("fit_window_changed"), \
lambda x: self.ui.action_fit_window.setChecked(x))
# Trying to restore window size
try:
width = int(UserConfig().get("image_viewer.width", 640))
height = int(UserConfig().get("image_viewer.height", 480))
self.resize(width, height)
except:
pass
# This code stores window size (after window resizing)
self.save_state_timer = QtCore.QTimer(self)
self.save_state_timer.setSingleShot(True)
self.connect(self.save_state_timer, QtCore.SIGNAL("timeout()"),
self.save_window_state)
#Context menu
self.menu = QtGui.QMenu()
self.menu.addAction(self.ui.action_edit_item)
self.ui.canvas.setContextMenuPolicy(Qt.CustomContextMenu)
self.connect(self.ui.canvas, QtCore.SIGNAL("customContextMenuRequested(const QPoint &)"), \
lambda pos: self.menu.exec_(self.ui.canvas.mapToGlobal(pos)))
def keyPressEvent(self, event):
if event.key() == Qt.Key_Plus:
self.ui.canvas.zoom_in()
elif event.key() == Qt.Key_Minus:
self.ui.canvas.zoom_out()
elif event.key() == Qt.Key_Space or event.key() == Qt.Key_Right:
self.action_next()
elif event.key() == Qt.Key_Backspace or event.key() == Qt.Key_Left:
self.action_prev()
elif event.key() == Qt.Key_Escape:
self.close()
else:
super(ImageViewer, self).keyPressEvent(event)
def wheelEvent(self, event):
if event.delta() < 0:
#scroll down
self.action_next()
else:
#scroll up
self.action_prev()
def save_window_state(self):
UserConfig().storeAll({
"image_viewer.width": self.width(),
"image_viewer.height": self.height()
})
def resizeEvent(self, resize_event):
self.save_state_timer.start(3000)
def action_zoom_in(self):
try:
self.ui.canvas.zoom_in()
except Exception as ex:
show_exc_info(self, ex)
def action_zoom_out(self):
try:
self.ui.canvas.zoom_out()
except Exception as ex:
show_exc_info(self, ex)
def action_fit_window(self, checked):
try:
self.ui.canvas.fit_window = checked
self.update()
except Exception as ex:
show_exc_info(self, ex)
def action_next(self):
try:
self.i_current += 1
if self.i_current >= len(self.items):
self.i_current = 0
self.__renderCurrentItemFile()
except Exception as ex:
show_exc_info(self, ex)
def action_prev(self):
try:
self.i_current -= 1
if self.i_current < 0:
self.i_current = len(self.items) - 1
self.__renderCurrentItemFile()
except Exception as ex:
show_exc_info(self, ex)
def __renderCurrentItemFile(self):
item = self.items[self.i_current]
if item.data_ref is not None:
path = os.path.join(self.repo.base_path, item.data_ref.url)
else:
path = None
self.ui.canvas.abs_path = path
self.update()
message = item.title + ", " + (path if path is not None else
self.tr("No file"))
self.ui.statusbar.showMessage(message)
def __checkActiveRepoIsNotNone(self):
if self.repo is None:
raise MsgException(
self.tr("Cannot edit items, repository is not given."))
def __checkActiveUserIsNotNone(self):
if helpers.is_none_or_empty(self.user_login):
raise MsgException(
self.tr("Cannot edit items, user is not given."))
def action_edit_item(self):
try:
self.__checkActiveRepoIsNotNone()
self.__checkActiveUserIsNotNone()
itemId = self.items[self.i_current].id
self.__editSingleItem(itemId)
except Exception as ex:
show_exc_info(self, ex)
else:
# TODO: pass some item id so widgets could update only edited item
self.emit(QtCore.SIGNAL("handlerSignal"),
HandlerSignals.ITEM_CHANGED)
def __editSingleItem(self, itemId):
uow = self.repo.createUnitOfWork()
try:
item = uow.executeCommand(GetExpungedItemCommand(itemId))
dialogs = UserDialogsFacade()
if not dialogs.execItemDialog(item=item,
gui=self,
repo=self.repo,
dialogMode=ItemDialog.EDIT_MODE):
self.ui.statusbar.showMessage(self.tr("Operation cancelled."),
consts.STATUSBAR_TIMEOUT)
return
srcAbsPath = item.data_ref.srcAbsPath if item.data_ref is not None else None
dstRelPath = item.data_ref.dstRelPath if item.data_ref is not None else None
cmd = UpdateExistingItemCommand(item, srcAbsPath, dstRelPath,
self.user_login)
uow.executeCommand(cmd)
self.ui.statusbar.showMessage(self.tr("Operation completed."),
consts.STATUSBAR_TIMEOUT)
finally:
uow.close()
# This property is needed for partial compatibility with AbstractGui
# It is called by DialogsFacade to create Completer object
@property
def model(self):
class FakeModel(object):
pass
fakeModel = FakeModel()
fakeModel.repo = self.repo
return fakeModel
class ImageViewer(QtGui.QMainWindow):
'''
This is a built-in Reggata Image Viewer.
'''
def __init__(self, parent, widgetsUpdateManager, repo, userLogin, items, startItemIndex=0):
'''
parent --- parent of this widget.
widgetsUpdateManager --- object that would inform other widgets that some
Item has changed after edit action.
items --- a list of items to show.
startItemIndex --- index of the first item to show.
be able to edit items.
'''
super(ImageViewer, self).__init__(parent)
self.ui = Ui_ImageViewer()
self.ui.setupUi(self)
self.setWindowModality(Qt.WindowModal)
self.__widgetsUpdateManager = widgetsUpdateManager
self.connect(self, QtCore.SIGNAL("handlerSignal"),
self.__widgetsUpdateManager.onHandlerSignal)
self.connect(self, QtCore.SIGNAL("handlerSignals"),
self.__widgetsUpdateManager.onHandlerSignals)
self.items = items
self.i_current = startItemIndex if 0 <= startItemIndex < len(items) else 0
self.repo = repo
self.user_login = userLogin
self.ui.canvas = Canvas(self)
self.setCentralWidget(self.ui.canvas)
self.__renderCurrentItemFile()
self.connect(self.ui.action_prev, QtCore.SIGNAL("triggered()"), self.action_prev)
self.connect(self.ui.action_next, QtCore.SIGNAL("triggered()"), self.action_next)
self.connect(self.ui.action_zoom_in, QtCore.SIGNAL("triggered()"), self.action_zoom_in)
self.connect(self.ui.action_zoom_out, QtCore.SIGNAL("triggered()"), self.action_zoom_out)
self.connect(self.ui.action_fit_window, QtCore.SIGNAL("triggered(bool)"), self.action_fit_window)
self.ui.action_fit_window.setChecked(self.ui.canvas.fit_window)
self.connect(self.ui.action_edit_item, QtCore.SIGNAL("triggered()"), self.action_edit_item)
self.connect(self.ui.canvas, QtCore.SIGNAL("fit_window_changed"), \
lambda x: self.ui.action_fit_window.setChecked(x))
# Trying to restore window size
try:
width = int(UserConfig().get("image_viewer.width", 640))
height = int(UserConfig().get("image_viewer.height", 480))
self.resize(width, height)
except:
pass
# This code stores window size (after window resizing)
self.save_state_timer = QtCore.QTimer(self)
self.save_state_timer.setSingleShot(True)
self.connect(self.save_state_timer, QtCore.SIGNAL("timeout()"), self.save_window_state)
#Context menu
self.menu = QtGui.QMenu()
self.menu.addAction(self.ui.action_edit_item)
self.ui.canvas.setContextMenuPolicy(Qt.CustomContextMenu)
self.connect(self.ui.canvas, QtCore.SIGNAL("customContextMenuRequested(const QPoint &)"), \
lambda pos: self.menu.exec_(self.ui.canvas.mapToGlobal(pos)))
def keyPressEvent(self, event):
if event.key() == Qt.Key_Plus:
self.ui.canvas.zoom_in()
elif event.key() == Qt.Key_Minus:
self.ui.canvas.zoom_out()
elif event.key() == Qt.Key_Space or event.key() == Qt.Key_Right:
self.action_next()
elif event.key() == Qt.Key_Backspace or event.key() == Qt.Key_Left:
self.action_prev()
elif event.key() == Qt.Key_Escape:
self.close()
else:
super(ImageViewer, self).keyPressEvent(event)
def wheelEvent(self, event):
if event.delta() < 0:
#scroll down
self.action_next()
else:
#scroll up
self.action_prev()
def save_window_state(self):
UserConfig().storeAll({"image_viewer.width":self.width(), "image_viewer.height":self.height()})
def resizeEvent(self, resize_event):
self.save_state_timer.start(3000)
def action_zoom_in(self):
try:
self.ui.canvas.zoom_in()
except Exception as ex:
show_exc_info(self, ex)
def action_zoom_out(self):
try:
self.ui.canvas.zoom_out()
except Exception as ex:
show_exc_info(self, ex)
def action_fit_window(self, checked):
try:
self.ui.canvas.fit_window = checked
self.update()
except Exception as ex:
show_exc_info(self, ex)
def action_next(self):
try:
self.i_current += 1
if self.i_current >= len(self.items):
self.i_current = 0
self.__renderCurrentItemFile()
except Exception as ex:
show_exc_info(self, ex)
def action_prev(self):
try:
self.i_current -= 1
if self.i_current < 0:
self.i_current = len(self.items) - 1
self.__renderCurrentItemFile()
except Exception as ex:
show_exc_info(self, ex)
def __renderCurrentItemFile(self):
item = self.items[self.i_current]
if item.data_ref is not None:
path = os.path.join(self.repo.base_path, item.data_ref.url)
else:
path = None
self.ui.canvas.abs_path = path
self.update()
message = item.title + ", " + (path if path is not None else self.tr("No file"))
self.ui.statusbar.showMessage(message)
def __checkActiveRepoIsNotNone(self):
if self.repo is None:
raise MsgException(self.tr("Cannot edit items, repository is not given."))
def __checkActiveUserIsNotNone(self):
if helpers.is_none_or_empty(self.user_login):
raise MsgException(self.tr("Cannot edit items, user is not given."))
def action_edit_item(self):
try:
self.__checkActiveRepoIsNotNone()
self.__checkActiveUserIsNotNone()
itemId = self.items[self.i_current].id
self.__editSingleItem(itemId)
except Exception as ex:
show_exc_info(self, ex)
else:
# TODO: pass some item id so widgets could update only edited item
self.emit(QtCore.SIGNAL("handlerSignal"), HandlerSignals.ITEM_CHANGED)
def __editSingleItem(self, itemId):
uow = self.repo.createUnitOfWork()
try:
item = uow.executeCommand(GetExpungedItemCommand(itemId))
dialogs = UserDialogsFacade()
if not dialogs.execItemDialog(
item=item, gui=self, repo=self.repo, dialogMode=ItemDialog.EDIT_MODE):
self.ui.statusbar.showMessage(self.tr("Operation cancelled."), consts.STATUSBAR_TIMEOUT)
return
srcAbsPath = item.data_ref.srcAbsPath if item.data_ref is not None else None
dstRelPath = item.data_ref.dstRelPath if item.data_ref is not None else None
cmd = UpdateExistingItemCommand(item, srcAbsPath, dstRelPath, self.user_login)
uow.executeCommand(cmd)
self.ui.statusbar.showMessage(self.tr("Operation completed."), consts.STATUSBAR_TIMEOUT)
finally:
uow.close()
# This property is needed for partial compatibility with AbstractGui
# It is called by DialogsFacade to create Completer object
@property
def model(self):
class FakeModel(object):
pass
fakeModel = FakeModel()
fakeModel.repo = self.repo
return fakeModel
