class EditorWidget(QtGui.QWidget):
"""
Main class of the sequence editor
"""
print_signal = QtCore.pyqtSignal(unicode)
def __init__(self, parent=None):
# Setup UI
super(EditorWidget, self).__init__(parent)
self.ui = Ui_PySequenceEditor()
self.ui.setupUi(self)
# Customize UI
self.ui.main_splitter.setStretchFactor(1, 1)
self.ui.center_splitter.setStretchFactor(0, 1)
self.logging_tab = LoggingTabWidget(parent=self)
self.logging_tab.setTabPosition(QtGui.QTabWidget.South)
self.logging_tab.log_table.verticalHeader().setDefaultSectionSize(20)
self.logging_tab.resize(0, 0)
self.ui.center_splitter.addWidget(self.logging_tab)
self.ui.tab_widget.clear()
self.control_widget = ControlWidget(parent=self)
self.ui.horizontalLayout.insertWidget(13, self.control_widget)
# Monkey Patching
def dropEvent(self, event):
QtGui.QTreeWidget.dropEvent(self, event)
self.currentItemChanged.emit(None, None)
sub_editor = self.ui.subsequence_editor
sub_editor.dropEvent = types.MethodType(dropEvent, sub_editor)
# Stream redirection
self.save_stdout = sys.stdout
self.save_stderr = sys.stderr
safe_write = lambda arg: self.print_signal.emit(arg)
safe_write.write = safe_write
sys.stdout = sys.stderr = safe_write
self.print_signal.connect(self.logging_tab.write)
# Sequence Engine
self.control_widget.enable_path_request()
self.control_widget.path_requested.connect(self.on_path_requested)
self.control_widget.log_signal.connect(self.log)
# Property editor initialization
self.block_model = BlockModel(self, parent=self.ui.property_editor)
self.block_model.model_changed.connect(partial(self.set_changed, True))
self.ui.property_editor.setModel(self.block_model)
# Create block Mapping
self.block_mapping = {"Begin/End": {'Begin': XBM.BEGIN,
'End' : XBM.END},
"Time": {'Init': XBM.TIMEINIT,
'Wait': XBM.WAIT},
"Branch": {'Branch': XBM.BRANCH},
"Subsequence": {'Macro': XBM.MACRO}}
action_list = get_action_list()
self.module_to_name = {module: name for name, module in action_list}
for name, module in action_list:
family = module.split(".")[-2].capitalize()
self.block_mapping.setdefault(family, {})[name] = (XBM.ACTION, module)
# Block list initialization
self.ui.block_list.setHeaderLabels(['Block list'])
self.fill_block_list()
self.ui.block_list.expandAll()
self.ui.block_list.resizeColumnToContents(0)
self.ui.block_list.expandToDepth(0)
# Sequence initialization
self.current_sequence = XMLSequence("New sequence")
# Signals connection
self.ui.open_button.clicked.connect(self.on_open)
self.ui.new_button.clicked.connect(self.on_new)
self.ui.save_button.clicked.connect(self.on_save)
self.ui.save_as_button.clicked.connect(self.on_save_as)
self.ui.undo_button.clicked.connect(self.on_undo)
self.ui.redo_button.clicked.connect(self.on_redo)
self.ui.about_button.clicked.connect(self.on_about)
self.ui.zoom_slider.valueChanged.connect(self.on_change_zoom_value)
self.ui.block_list.itemClicked.connect(self.on_click_family)
self.ui.tab_widget.tabCloseRequested.connect(self.on_close_tab)
self.ui.tab_widget.currentChanged.connect(self.update_zoom_slider)
sub_editor = self.ui.subsequence_editor
sub_editor.itemDoubleClicked.connect(self.subsequence_double_clicked)
sub_editor.itemActivated.connect(self.subsequence_activated)
sub_editor.customContextMenuRequested.connect(self.context_requested)
sub_editor.currentItemChanged.connect(self.subsequence_changed)
QtGui.QShortcut(QtGui.QKeySequence.SelectAll, self, self.on_select_all)
# Update
self.file_path = None
self.changed = False
self.set_changed(False)
self.update()
# Logging
self.log(u'Sequence editor initialized.')
self.signal_handler = SignalHandler(logging.DEBUG)
self.signal_handler.signal.connect(self.handle_log_record)
add_log_handler(self.signal_handler)
def handle_log_record(self, log_record):
"""
Handle log record from the logging module
"""
if log_record.levelno != logging.DEBUG:
return
sub_editor = self.ui.subsequence_editor
flags = QtCore.Qt.MatchContains | QtCore.Qt.MatchRecursive
seq_item = sub_editor.findItems(u"{}".format(log_record.sequenceID),
flags)[0]
if not seq_item:
return
block_id = log_record.ID
bes = log_record.msg
for block in seq_item.scene.block_list:
if block.xml_block.block_id == block_id:
block.set_execution_state(bes)
break
#### Generate block list ####
def fill_block_list(self):
"""
Fill the block list with common blocks and action blocks
"""
for family in sorted(self.block_mapping):
family_item = QtGui.QTreeWidgetItem(self.ui.block_list, [family])
family_item.setFlags(QtCore.Qt.ItemIsEnabled)
for model in sorted(self.block_mapping[family]):
model_item = QtGui.QTreeWidgetItem(family_item, [model])
model_item.setFlags(QtCore.Qt.ItemIsSelectable|
QtCore.Qt.ItemIsEnabled|
QtCore.Qt.ItemIsDragEnabled)
data = self.block_mapping[family][model]
if not isinstance(data, tuple):
model = data
url = os.path.join(IMAGES_DIR, model)
image = QtGui.QPixmap(url)
if image.isNull():
url = os.path.join(IMAGES_DIR, 'Undefined')
image = QtGui.QPixmap(url)
image = image.scaled(64, 64,
QtCore.Qt.KeepAspectRatio,
QtCore.Qt.SmoothTransformation)
model_item.setIcon(0, QtGui.QIcon(image))
##### Update method #####
def update(self):
"""
Get the up-to-date data model and update the graphics
"""
# Clear tabs
self.ui.tab_widget.clear()
# Subsequence Editor
self.ui.subsequence_editor.clear()
SequenceItem(self.ui.subsequence_editor, self.current_sequence, self)
self.ui.subsequence_editor.expandAll()
##### File handling signals #####
def on_path_requested(self):
if self.changed:
msg = "Source not saved \nSave before loading?"
res = QtGui.QMessageBox.question(self, 'Save before loading', msg,
QtGui.QMessageBox.Yes,
QtGui.QMessageBox.Cancel)
if res == QtGui.QMessageBox.Cancel or not self.on_save():
return
self.control_widget.load(self.file_path)
sub_editor = self.ui.subsequence_editor
flags = QtCore.Qt.MatchContains | QtCore.Qt.MatchRecursive
for item in sub_editor.findItems(u"", flags):
item.scene.reset_execution_state()
def on_new(self):
"""
Create a new sequence
"""
# Reset control
if not self.control_widget.reset():
return
self.control_widget.disable()
# Create new sequence
self.file_path = None
self.set_changed(False)
self.current_sequence = XMLSequence("New sequence", depth=0,
level=0, execution=False)
# Update
self.update()
self.log('NEW : New sequence')
def on_open(self):
"""
Display a dialogue to open a sequence
"""
# Stop control widget
if not self.control_widget.reset():
return
# Get the filename
filename = unicode(QtGui.QFileDialog().getOpenFileName(self, "Open" ,
".", "*.xml"))
if filename == u"":
return
return self.open(filename)
def open(self, filename):
"""
Open a sequence from an XML file
"""
# Open the sequence
self.file_path = os.path.abspath(filename)
file_name = os.path.basename(self.file_path)
self.log(u'OPEN : {}'.format(file_name))
try:
self.current_sequence = parse_sequence_file(self.file_path,
execution=False)
except StandardError as error:
self.log('ERROR : '+ repr(error))
self.on_new()
return
# Update
self.update()
# No changes
self.set_changed(False)
def on_save(self):
"""
Save changed of the current sequence
"""
# Already saved case
if not self.changed and self.file_path:
return
# No file path case
if not self.file_path:
filename = unicode(QtGui.QFileDialog.getSaveFileName(self, 'Save',
'.', '*.xml'))
if filename == u'':
return False
self.file_path = os.path.abspath(filename)
# Save the sequence
self.set_changed(False)
self.current_sequence.xml_export(self.file_path)
file_name = os.path.basename(self.file_path)
sequence_id = self.current_sequence.sequence_id
self.log(u'SAVE : {} ({})'.format(file_name, sequence_id))
return True
def on_save_as(self):
"""
Save the current sequence in an xml file
"""
# Started engine case
if not self.control_widget.reset():
return
# Get the new path
filename = unicode(QtGui.QFileDialog.getSaveFileName(self, 'Save as',
'.', '*.xml'))
if filename == u'':
return False
# Save the sequence
self.set_changed(False)
self.file_path = filename
self.current_sequence.xml_export(self.file_path)
file_name = os.path.basename(self.file_path)
sequence_id = self.current_sequence.sequence_id
self.log(u'SAVE AS : {} ({})'.format(file_name, sequence_id))
return True
#### About button signal ####
def on_about(self):
"""
Display "About" informations
"""
msg = u'''
<b>Sequence Editor</b><br/>
<br/>
Version 1.0.0
<p>
Sequence Editor is an application for designing,
editing and testing action block sequences.
</p>
<br/>
<br/>
<b>Author</b> : <a href="http://www.nexeya.fr/">NEXEYA SYSTEM</a>
'''
url = QtCore.QString(u":/logos/logos/nexeya_logo.png")
image = QtGui.QPixmap(url).scaled(128,
128,
QtCore.Qt.KeepAspectRatio,
QtCore.Qt.SmoothTransformation)
about = QtGui.QMessageBox(QtGui.QMessageBox.Information, "About", msg)
about.setIconPixmap(image)
mbi = QtGui.QStyle.SP_MessageBoxInformation
icon = QtGui.QApplication.style().standardIcon(mbi)
about.setWindowIcon(icon)
about.exec_()
#### Scene signals ####
def on_select_all(self):
"""
Select all items in scene
"""
for item in self.drawing_scene.items():
item.setSelected(True)
def on_change_zoom_value(self, value):
"""
Set a new zoom value
"""
if value > 91 and value < 109:
value = 100
self.ui.zoom_slider.setValue(value)
self.ui.zoom_label.setText("{}%".format(value))
current_area = self.get_current_sequence_item().scene.parent()
current_area.resetTransform()
current_area.scale(float(value)/100, float(value)/100)
def update_zoom_slider(self):
"""
Update the zoom slider
"""
current_item = self.get_current_sequence_item()
if not current_item:
return
value = current_item.scene.parent().transform().m11()*100
self.ui.zoom_slider.setValue(value)
#### Block list signals ####
@staticmethod
def on_click_family(item, _):
"""
Toogle the item expandation
"""
if item.childCount():
item.setExpanded(not item.isExpanded())
#### Tab widget signals ####
def on_close_tab(self, index):
"""
Close a tab
"""
self.ui.tab_widget.removeTab(index)
#### Sequence Browser signals ####
@staticmethod
def subsequence_double_clicked(item, _):
"""
Handle the subsequence double click
"""
item.double_clicked = True
@staticmethod
def subsequence_activated(item, _):
"""
Handle the subsequence activation
"""
if item.double_clicked:
item.double_clicked = False
item.on_edit()
else:
item.on_rename()
def subsequence_changed(self, old, new):
"""
Update sequence tree when data changed
"""
if old is None and new is None:
super_root = self.ui.subsequence_editor.invisibleRootItem()
super_root.child(0).check_tree()
def context_requested(self, point):
"""
Display a context menu when requested
"""
item = self.ui.subsequence_editor.itemAt(point)
if not item:
return
menu = item.context_requested()
menu.exec_(self.ui.subsequence_editor.mapToGlobal(point))
##### Handle modifications #####
def get_current_sequence_item(self):
"""
Get the current sequence item
"""
sub_editor = self.ui.subsequence_editor
flags = QtCore.Qt.MatchContains | QtCore.Qt.MatchRecursive
for item in sub_editor.findItems(u"", flags):
if item.is_current():
return item
def on_undo(self):
"""
Undo the last action of the current tab
"""
return self.get_current_sequence_item().on_undo()
def on_redo(self):
"""
Redo the last action of the current tab
"""
return self.get_current_sequence_item().on_redo()
def set_changed(self, value, global_change=False):
"""
Update the main widget depending on whether or not the file is UtD
If value is False, the file is up-to-date, True otherwise
"""
self.changed = value
# Undo redo mecanism
if value and not global_change:
current_sub_item = self.get_current_sequence_item()
if current_sub_item:
current_sub_item.set_changed()
# Enable the load button
if self.file_path or self.changed:
self.control_widget.enable()
# Set name to display
if self.file_path:
name = os.path.basename(self.file_path)
else:
name = self.current_sequence.sequence_id
title = 'Sequence editor - '
# Set the title format
if self.changed:
title += '*' + name + '*'
else:
title += name
# Set the window title
self.setWindowTitle(title)
#### Log method ####
def log(self, msg, end="\n"):
"""
Method to properly log a message
"""
return self.logging_tab.log(msg, end)
#### Close Event ####
def closeEvent(self, event):
"""
Override closeEvent to handle secial cases
"""
# Stop control widget
if not self.control_widget.reset():
return event.ignore()
# Sequence not saved case
if self.changed:
msg = "Source not saved \nSave before closing?"
res = QtGui.QMessageBox.question(self, 'Save before closing', msg,
QtGui.QMessageBox.Yes,
QtGui.QMessageBox.No,
QtGui.QMessageBox.Cancel)
if res == QtGui.QMessageBox.Cancel or \
(res == QtGui.QMessageBox.Yes and not self.on_save()):
return event.ignore()
# Put the original streams back in place
sys.stdout = self.save_stdout
sys.stderr = self.save_stderr
class RunnerWidget(QtGui.QWidget):
"""
Widget for running and monitoring sequences
"""
size_changed = QtCore.pyqtSignal()
hspace = 10
vspace = 5
base_size = 800,300
def __init__(self, *args, **kwargs):
# Init GroupBox
super(RunnerWidget, self).__init__(*args, **kwargs)
self.resize(*self.base_size)
self.saved_height = self.base_size[1]
# Fist line
self.vbox_layout = QtGui.QVBoxLayout(self)
hbox_layout = QtGui.QHBoxLayout()
self.filename_edit = QtGui.QLineEdit(self)
self.select_button = QtGui.QPushButton(u'Select', self)
self.edit_button = QtGui.QPushButton(u'Edit', self)
self.new_button = QtGui.QPushButton(u'New', self)
hbox_layout.addWidget(self.filename_edit, 1)
hbox_layout.addWidget(self.select_button)
hbox_layout.addSpacing(self.hspace)
line = QtGui.QFrame(self)
line.setFrameShape(QtGui.QFrame.VLine)
line.setFrameShadow(QtGui.QFrame.Sunken)
hbox_layout.addWidget(line)
hbox_layout.addSpacing(self.hspace)
hbox_layout.addWidget(self.edit_button)
hbox_layout.addWidget(self.new_button)
self.vbox_layout.addLayout(hbox_layout)
self.vbox_layout.addSpacing(self.vspace)
# Second line
hbox_layout = QtGui.QHBoxLayout()
hbox_layout.addWidget(QtGui.QLabel(u"Display Console:"))
self.check_box = QtGui.QCheckBox(self)
self.check_box.setChecked(True)
hbox_layout.addWidget(self.check_box)
hbox_layout.addStretch(1)
hbox_layout.addSpacing(self.hspace)
hbox_layout.addWidget(QtGui.QLabel(u"Sequence Control :"))
hbox_layout.addSpacing(self.hspace)
# Create control widget
self.control_widget = ControlWidget(parent=self)
self.control_widget.enable_path_request()
self.control_widget.disable()
hbox_layout.addWidget(self.control_widget)
# Create logging tab
self.logging_tab = LoggingTabWidget("CONSOLE INITIALIZED",
parent=self)
self.logging_tab.setTabPosition(QtGui.QTabWidget.South)
self.logging_tab.log_table.verticalHeader().setDefaultSectionSize(20)
self.logging_tab.setVisible(True)
self.vbox_layout.addLayout(hbox_layout)
self.vbox_layout.addSpacing(self.vspace)
self.vbox_layout.addWidget(self.logging_tab)
self.setLayout(self.vbox_layout)
# Connect signals
self.select_button.clicked.connect(self.on_select)
self.check_box.stateChanged.connect(self.on_display_console)
self.control_widget.log_signal.connect(self.logging_tab.log)
self.control_widget.path_requested.connect(self.on_path_requested)
self.filename_edit.textChanged.connect(self.on_path_changed)
self.new_button.clicked.connect(self.open_editor)
def open_with_file(_):
return self.open_editor(True, self.filename_edit.text())
self.edit_button.clicked.connect(open_with_file)
if self.isWindow():
self.size_changed.connect(self.custom_resize)
def on_select(self):
"""
Select a sequence
"""
path = os.getcwd()
filename = unicode(QtGui.QFileDialog.getOpenFileName(self,
'Select Sequence',
path, '*.xml'))
if filename == u"":
return
self.filename_edit.setText(filename)
def on_path_requested(self):
"""
Load a file with the filename in the LineEdit
"""
self.control_widget.load(self.filename_edit.text())
def on_path_changed(self, text):
"""
Disable the control widget if the given filename is emprty
"""
self.control_widget.disable()
if text:
self.control_widget.enable()
def set_filename(self, filename):
"""
Set the given filname in the LineEdit
"""
filename = os.path.abspath(filename)
self.filename_edit.setText(filename)
def on_display_console(self, boolean):
"""
Display or hide the logging tab widget with a given boolean
"""
self.logging_tab.setVisible(boolean)
self.vbox_layout.itemAt(3).changeSize(0, bool(boolean)*self.vspace)
self.vbox_layout.activate()
self.size_changed.emit()
def custom_resize(self):
"""
Resize the widget consering the visibility of the logging tab widget
"""
width = self.size().width()
height = self.size().height()
if self.logging_tab.isVisible():
height = self.saved_height
else:
self.saved_height = height
height = 0
self.resize(width, height)
def open_editor(self, boolean, filename=""):
"""
Open the editor in a subprocess
The given filename is used to open a sequence
"""
cmd = u'python -m sequence.editor '
if filename:
cmd += ' ' + filename
cmd = cmd.encode(locale.getpreferredencoding())
try:
subprocess.Popen(cmd, shell=True)
except OSError as e:
print e.strerror
def set_display_console(self, boolean):
"""
Set the console display mode
"""
self.check_box.setChecked(boolean)
class EditorWidget(QtGui.QWidget):
"""
Main class of the sequence editor
"""
print_signal = QtCore.pyqtSignal(unicode)
def __init__(self, parent=None):
# Setup UI
super(EditorWidget, self).__init__(parent)
self.ui = Ui_PySequenceEditor()
self.ui.setupUi(self)
# Customize UI
self.ui.main_splitter.setStretchFactor(1, 1)
self.ui.center_splitter.setStretchFactor(0, 1)
self.logging_tab = LoggingTabWidget(parent=self)
self.logging_tab.setTabPosition(QtGui.QTabWidget.South)
self.logging_tab.log_table.verticalHeader().setDefaultSectionSize(20)
self.logging_tab.resize(0, 0)
self.ui.center_splitter.addWidget(self.logging_tab)
self.ui.tab_widget.clear()
self.control_widget = ControlWidget(parent=self)
self.ui.horizontalLayout.insertWidget(13, self.control_widget)
# Monkey Patching
def dropEvent(self, event):
QtGui.QTreeWidget.dropEvent(self, event)
self.currentItemChanged.emit(None, None)
sub_editor = self.ui.subsequence_editor
sub_editor.dropEvent = types.MethodType(dropEvent, sub_editor)
# Stream redirection
self.save_stdout = sys.stdout
self.save_stderr = sys.stderr
safe_write = lambda arg: self.print_signal.emit(arg)
safe_write.write = safe_write
sys.stdout = sys.stderr = safe_write
self.print_signal.connect(self.logging_tab.write)
# Sequence Engine
self.control_widget.enable_path_request()
self.control_widget.path_requested.connect(self.on_path_requested)
self.control_widget.log_signal.connect(self.log)
# Property editor initialization
self.block_model = BlockModel(self, parent=self.ui.property_editor)
self.block_model.model_changed.connect(partial(self.set_changed, True))
self.ui.property_editor.setModel(self.block_model)
# Create block Mapping
self.block_mapping = {
"Begin/End": {
'Begin': XBM.BEGIN,
'End': XBM.END
},
"Time": {
'Init': XBM.TIMEINIT,
'Wait': XBM.WAIT
},
"Branch": {
'Branch': XBM.BRANCH
},
"Subsequence": {
'Macro': XBM.MACRO
}
}
action_list = get_action_list()
self.module_to_name = {module: name for name, module in action_list}
for name, module in action_list:
family = module.split(".")[-2].capitalize()
self.block_mapping.setdefault(family,
{})[name] = (XBM.ACTION, module)
# Block list initialization
self.ui.block_list.setHeaderLabels(['Block list'])
self.fill_block_list()
self.ui.block_list.expandAll()
self.ui.block_list.resizeColumnToContents(0)
self.ui.block_list.expandToDepth(0)
# Sequence initialization
self.current_sequence = XMLSequence("New sequence")
# Signals connection
self.ui.open_button.clicked.connect(self.on_open)
self.ui.new_button.clicked.connect(self.on_new)
self.ui.save_button.clicked.connect(self.on_save)
self.ui.save_as_button.clicked.connect(self.on_save_as)
self.ui.undo_button.clicked.connect(self.on_undo)
self.ui.redo_button.clicked.connect(self.on_redo)
self.ui.about_button.clicked.connect(self.on_about)
self.ui.zoom_slider.valueChanged.connect(self.on_change_zoom_value)
self.ui.block_list.itemClicked.connect(self.on_click_family)
self.ui.tab_widget.tabCloseRequested.connect(self.on_close_tab)
self.ui.tab_widget.currentChanged.connect(self.update_zoom_slider)
sub_editor = self.ui.subsequence_editor
sub_editor.itemDoubleClicked.connect(self.subsequence_double_clicked)
sub_editor.itemActivated.connect(self.subsequence_activated)
sub_editor.customContextMenuRequested.connect(self.context_requested)
sub_editor.currentItemChanged.connect(self.subsequence_changed)
QtGui.QShortcut(QtGui.QKeySequence.SelectAll, self, self.on_select_all)
# Update
self.file_path = None
self.changed = False
self.set_changed(False)
self.update()
# Logging
self.log(u'Sequence editor initialized.')
self.signal_handler = SignalHandler(logging.DEBUG)
self.signal_handler.signal.connect(self.handle_log_record)
add_log_handler(self.signal_handler)
def handle_log_record(self, log_record):
"""
Handle log record from the logging module
"""
if log_record.levelno != logging.DEBUG:
return
sub_editor = self.ui.subsequence_editor
flags = QtCore.Qt.MatchContains | QtCore.Qt.MatchRecursive
seq_item = sub_editor.findItems(u"{}".format(log_record.sequenceID),
flags)[0]
if not seq_item:
return
block_id = log_record.ID
bes = log_record.msg
for block in seq_item.scene.block_list:
if block.xml_block.block_id == block_id:
block.set_execution_state(bes)
break
#### Generate block list ####
def fill_block_list(self):
"""
Fill the block list with common blocks and action blocks
"""
for family in sorted(self.block_mapping):
family_item = QtGui.QTreeWidgetItem(self.ui.block_list, [family])
family_item.setFlags(QtCore.Qt.ItemIsEnabled)
for model in sorted(self.block_mapping[family]):
model_item = QtGui.QTreeWidgetItem(family_item, [model])
model_item.setFlags(QtCore.Qt.ItemIsSelectable
| QtCore.Qt.ItemIsEnabled
| QtCore.Qt.ItemIsDragEnabled)
data = self.block_mapping[family][model]
if not isinstance(data, tuple):
model = data
url = os.path.join(IMAGES_DIR, model)
image = QtGui.QPixmap(url)
if image.isNull():
url = os.path.join(IMAGES_DIR, 'Undefined')
image = QtGui.QPixmap(url)
image = image.scaled(64, 64, QtCore.Qt.KeepAspectRatio,
QtCore.Qt.SmoothTransformation)
model_item.setIcon(0, QtGui.QIcon(image))
##### Update method #####
def update(self):
"""
Get the up-to-date data model and update the graphics
"""
# Clear tabs
self.ui.tab_widget.clear()
# Subsequence Editor
self.ui.subsequence_editor.clear()
SequenceItem(self.ui.subsequence_editor, self.current_sequence, self)
self.ui.subsequence_editor.expandAll()
##### File handling signals #####
def on_path_requested(self):
if self.changed:
msg = "Source not saved \nSave before loading?"
res = QtGui.QMessageBox.question(self, 'Save before loading', msg,
QtGui.QMessageBox.Yes,
QtGui.QMessageBox.Cancel)
if res == QtGui.QMessageBox.Cancel or not self.on_save():
return
self.control_widget.load(self.file_path)
sub_editor = self.ui.subsequence_editor
flags = QtCore.Qt.MatchContains | QtCore.Qt.MatchRecursive
for item in sub_editor.findItems(u"", flags):
item.scene.reset_execution_state()
def on_new(self):
"""
Create a new sequence
"""
# Reset control
if not self.control_widget.reset():
return
self.control_widget.disable()
# Create new sequence
self.file_path = None
self.set_changed(False)
self.current_sequence = XMLSequence("New sequence",
depth=0,
level=0,
execution=False)
# Update
self.update()
self.log('NEW : New sequence')
def on_open(self):
"""
Display a dialogue to open a sequence
"""
# Stop control widget
if not self.control_widget.reset():
return
# Get the filename
filename = unicode(QtGui.QFileDialog().getOpenFileName(
self, "Open", ".", "*.xml"))
if filename == u"":
return
return self.open(filename)
def open(self, filename):
"""
Open a sequence from an XML file
"""
# Open the sequence
self.file_path = os.path.abspath(filename)
file_name = os.path.basename(self.file_path)
self.log(u'OPEN : {}'.format(file_name))
try:
self.current_sequence = parse_sequence_file(self.file_path,
execution=False)
except StandardError as error:
self.log('ERROR : ' + repr(error))
self.on_new()
return
# Update
self.update()
# No changes
self.set_changed(False)
def on_save(self):
"""
Save changed of the current sequence
"""
# Already saved case
if not self.changed and self.file_path:
return
# No file path case
if not self.file_path:
filename = unicode(
QtGui.QFileDialog.getSaveFileName(self, 'Save', '.', '*.xml'))
if filename == u'':
return False
self.file_path = os.path.abspath(filename)
# Save the sequence
self.set_changed(False)
self.current_sequence.xml_export(self.file_path)
file_name = os.path.basename(self.file_path)
sequence_id = self.current_sequence.sequence_id
self.log(u'SAVE : {} ({})'.format(file_name, sequence_id))
return True
def on_save_as(self):
"""
Save the current sequence in an xml file
"""
# Started engine case
if not self.control_widget.reset():
return
# Get the new path
filename = unicode(
QtGui.QFileDialog.getSaveFileName(self, 'Save as', '.', '*.xml'))
if filename == u'':
return False
# Save the sequence
self.set_changed(False)
self.file_path = filename
self.current_sequence.xml_export(self.file_path)
file_name = os.path.basename(self.file_path)
sequence_id = self.current_sequence.sequence_id
self.log(u'SAVE AS : {} ({})'.format(file_name, sequence_id))
return True
#### About button signal ####
def on_about(self):
"""
Display "About" informations
"""
msg = u'''
<b>Sequence Editor</b><br/>
<br/>
Version 1.0.0
<p>
Sequence Editor is an application for designing,
editing and testing action block sequences.
</p>
<br/>
<br/>
<b>Author</b> : <a href="http://www.nexeya.fr/">NEXEYA SYSTEM</a>
'''
url = QtCore.QString(u":/logos/logos/nexeya_logo.png")
image = QtGui.QPixmap(url).scaled(128, 128, QtCore.Qt.KeepAspectRatio,
QtCore.Qt.SmoothTransformation)
about = QtGui.QMessageBox(QtGui.QMessageBox.Information, "About", msg)
about.setIconPixmap(image)
mbi = QtGui.QStyle.SP_MessageBoxInformation
icon = QtGui.QApplication.style().standardIcon(mbi)
about.setWindowIcon(icon)
about.exec_()
#### Scene signals ####
def on_select_all(self):
"""
Select all items in scene
"""
for item in self.drawing_scene.items():
item.setSelected(True)
def on_change_zoom_value(self, value):
"""
Set a new zoom value
"""
if value > 91 and value < 109:
value = 100
self.ui.zoom_slider.setValue(value)
self.ui.zoom_label.setText("{}%".format(value))
current_area = self.get_current_sequence_item().scene.parent()
current_area.resetTransform()
current_area.scale(float(value) / 100, float(value) / 100)
def update_zoom_slider(self):
"""
Update the zoom slider
"""
current_item = self.get_current_sequence_item()
if not current_item:
return
value = current_item.scene.parent().transform().m11() * 100
self.ui.zoom_slider.setValue(value)
#### Block list signals ####
@staticmethod
def on_click_family(item, _):
"""
Toogle the item expandation
"""
if item.childCount():
item.setExpanded(not item.isExpanded())
#### Tab widget signals ####
def on_close_tab(self, index):
"""
Close a tab
"""
self.ui.tab_widget.removeTab(index)
#### Sequence Browser signals ####
@staticmethod
def subsequence_double_clicked(item, _):
"""
Handle the subsequence double click
"""
item.double_clicked = True
@staticmethod
def subsequence_activated(item, _):
"""
Handle the subsequence activation
"""
if item.double_clicked:
item.double_clicked = False
item.on_edit()
else:
item.on_rename()
def subsequence_changed(self, old, new):
"""
Update sequence tree when data changed
"""
if old is None and new is None:
super_root = self.ui.subsequence_editor.invisibleRootItem()
super_root.child(0).check_tree()
def context_requested(self, point):
"""
Display a context menu when requested
"""
item = self.ui.subsequence_editor.itemAt(point)
if not item:
return
menu = item.context_requested()
menu.exec_(self.ui.subsequence_editor.mapToGlobal(point))
##### Handle modifications #####
def get_current_sequence_item(self):
"""
Get the current sequence item
"""
sub_editor = self.ui.subsequence_editor
flags = QtCore.Qt.MatchContains | QtCore.Qt.MatchRecursive
for item in sub_editor.findItems(u"", flags):
if item.is_current():
return item
def on_undo(self):
"""
Undo the last action of the current tab
"""
return self.get_current_sequence_item().on_undo()
def on_redo(self):
"""
Redo the last action of the current tab
"""
return self.get_current_sequence_item().on_redo()
def set_changed(self, value, global_change=False):
"""
Update the main widget depending on whether or not the file is UtD
If value is False, the file is up-to-date, True otherwise
"""
self.changed = value
# Undo redo mecanism
if value and not global_change:
current_sub_item = self.get_current_sequence_item()
if current_sub_item:
current_sub_item.set_changed()
# Enable the load button
if self.file_path or self.changed:
self.control_widget.enable()
# Set name to display
if self.file_path:
name = os.path.basename(self.file_path)
else:
name = self.current_sequence.sequence_id
title = 'Sequence editor - '
# Set the title format
if self.changed:
title += '*' + name + '*'
else:
title += name
# Set the window title
self.setWindowTitle(title)
#### Log method ####
def log(self, msg, end="\n"):
"""
Method to properly log a message
"""
return self.logging_tab.log(msg, end)
#### Close Event ####
def closeEvent(self, event):
"""
Override closeEvent to handle secial cases
"""
# Stop control widget
if not self.control_widget.reset():
return event.ignore()
# Sequence not saved case
if self.changed:
msg = "Source not saved \nSave before closing?"
res = QtGui.QMessageBox.question(self, 'Save before closing', msg,
QtGui.QMessageBox.Yes,
QtGui.QMessageBox.No,
QtGui.QMessageBox.Cancel)
if res == QtGui.QMessageBox.Cancel or \
(res == QtGui.QMessageBox.Yes and not self.on_save()):
return event.ignore()
# Put the original streams back in place
sys.stdout = self.save_stdout
sys.stderr = self.save_stderr