def __select_save(self, diagram):
"""
This method selects a name to save the file.
"""
while True:
file_name = diagram.file_name
if file_name == "Untitled":
file_name = System.get_user_dir() + "/" + diagram.file_name
self.save_dialog = SaveDialog(self.main_window,
title=_("Save Diagram"),
filename=file_name,
filetype="*.mscd")
name = self.save_dialog.run()
if name is None:
return False, "User canceled the operation"
if os.path.exists(name) is True:
msg = _("File exists. Overwrite?")
self.confirm_dialog = ConfirmDialog(msg, self.main_window)
result = self.confirm_dialog.run()
if result == Gtk.ResponseType.CANCEL:
continue
if not name.endswith("mscd"):
name = name + ".mscd"
diagram.file_name = name
break
return True, "Success"
def close_tab(self, position=None):
"""
This method close a tab.
Parameters:
* **position**
Returns:
* **Types** (:class:`boolean<boolean>`)
"""
if position is None:
position = self.get_current_page()
diagram = self.get_nth_page(position)
if diagram is None:
return False
if diagram.modified:
message = _("Diagram ") + diagram.file_name + \
_(" is not saved.\nIf you close it"
", changes will be lost.\n"
"Confirm?")
self.confirm = ConfirmDialog(message, self.main_window)
result = self.confirm.run()
if result == Gtk.ResponseType.CANCEL:
return False
self.remove_page(position)
self.diagrams.pop(position)
return True
def export_diagram(self):
"""
This method exports the diagram.
"""
diagram = self.main_window.work_area.get_current_diagram()
if diagram is None:
return False
while True:
name = SaveDialog(self.main_window,
title=_("Export diagram as png"),
filename=System.get_user_dir() + "/" +
diagram.file_name + ".png",
filetype="png").run()
if name is None:
return
if name.find(".png") == -1:
name = name + ".png"
if name is not None and os.path.exists(name) is True:
msg = _("File exists. Overwrite?")
result = ConfirmDialog(msg, self.main_window).run()
if result == Gtk.ResponseType.OK:
break
result, message = DiagramControl(diagram).export_png(name)
if not result:
MessageDialog("Error", message, self.main_window).run()
def __delete(self, widget=None, data=None):
name = self.__get_selected()
if name is None:
return
result = ConfirmDialog(_("Are you sure?"), self).run()
if result == Gtk.ResponseType.OK:
self.main_window.main_control.delete_code_template(name)
self.__update()
def __delete(self, widget=None, data=None):
block = self.block_notebook.get_selected_block()
if block is None:
return
result = ConfirmDialog(_("Are you sure?"), self).run()
if result == Gtk.ResponseType.OK:
self.main_window.main_control.delete_block(block)
self.update()
class TestConfirmDialog(TestBase):
def setUp(self):
self.dialog = ConfirmDialog("Test Confirm Dialog",
self.create_main_window())
def test_run_ok(self):
t1 = threading.Thread(target=self.dialog.run, args=())
t1.start()
sleep(1)
self.dialog.response(Gtk.ResponseType.OK)
self.refresh_gui()
t1.join()
def test_run_cancel(self):
t1 = threading.Thread(target=self.dialog.run, args=())
t1.start()
sleep(1)
self.dialog.response(Gtk.ResponseType.CANCEL)
self.refresh_gui()
t1.join()
def __delete(self, widget=None, data=None):
treeselection = self.tree_view.get_selection()
model, iterac = treeselection.get_selected()
if iterac is None:
return None
result = ConfirmDialog(_("Are you sure?"), self.get_toplevel()).run()
if result != Gtk.ResponseType.OK:
return
path = model.get_path(iterac)
del self.element.get_properties()[int(str(path))]
self.__populate_property()
self.__clean_side_panel()
def __delete(self, widget=None, data=None):
treeselection = self.tree_view.get_selection()
model, iterac = treeselection.get_selected()
if iterac is None:
return None
result = ConfirmDialog(_("Are you sure?"), self.block_editor).run()
if result != Gtk.ResponseType.OK:
return
path = model.get_path(iterac)
del self.block.ports[int(str(path))]
self.__populate_list()
self.__clean_side_panel()
def __delete(self, widget=None, data=None):
treeselection = None
treeselection = self.tree_view.get_selection()
model, iterac = treeselection.get_selected()
if iterac is None:
return None
path = model.get_path(iterac)
name = model.get_value(model.get_iter(path), 0)
result = ConfirmDialog(_("Are you sure?"), self).run()
if result != Gtk.ResponseType.OK:
return
path = model.get_path(iterac)
del self.codes[name]
self.__populate_list()
self.__clean_side_panel()
def save(self, save_as=False):
"""
This method save the file.
"""
diagram = self.main_window.work_area.get_current_diagram()
if diagram is None:
return False
if diagram.file_name == "Untitled" or save_as:
while True:
dialog = SaveDialog(
self.main_window,
title=_("Save Diagram"),
filename=System.get_user_dir() + "/" + diagram.patch_name,
filetype="*.mscd")
name = dialog.run()
if name is None:
System.log("File not saved")
return
if not name.endswith("mscd"):
name = (("%s" + ".mscd") % name)
if os.path.exists(name) is True:
msg = _("File exists. Overwrite?")
result = ConfirmDialog(msg, self.main_window).run()
if result == Gtk.ResponseType.CANCEL:
continue
diagram.file_name = name
self.main_window.work_area.rename_diagram(diagram)
break
result, message = False, ""
if diagram.file_name is not None:
if len(diagram.file_name) > 0:
result, message = DiagramControl(diagram).save()
self.set_recent_files(diagram.file_name)
if not result:
MessageDialog("Error", message, self.main_window).run()
def setUp(self):
self.dialog = ConfirmDialog("Test Confirm Dialog",
self.create_main_window())
class MainControl():
"""
This class contains methods related the MainControl class.
"""
# ----------------------------------------------------------------------
def __init__(self, main_window):
self.main_window = main_window
self.open_dialog = None
self.save_dialog = None
self.confirm_dialog = None
self.preference_window = None
self.message_dialog = None
self.about_window = None
self.code_window = None
# Clipboard is here because It must be possible to exchange data between diagrams
self.clipboard = []
self.threads = {}
self.publisher = Publisher()
# ----------------------------------------------------------------------
def init(self):
self.update_blocks()
# Load plugins
for plugin in System.get_plugins():
plugin.load(self.main_window)
self.main_window.menu.update_recent_files()
self.main_window.menu.update_examples()
# ----------------------------------------------------------------------
def get_current_diagram(self):
return self.main_window.work_area.get_current_diagram()
# ----------------------------------------------------------------------
def update_blocks(self):
System.reload()
self.main_window.menu.update_blocks()
self.main_window.block_notebook.update_blocks()
# ----------------------------------------------------------------------
def new(self):
"""
This method create a new the diagram file.
"""
Diagram(self.main_window)
# ----------------------------------------------------------------------
def select_open(self, path=None):
"""
This method open a selected file.
"""
if path is None:
path = System.get_user_dir()
self.open_dialog = OpenDialog("Open Diagram",
self.main_window,
filetype="mscd",
path=path)
file_name = self.open_dialog.run()
if file_name is None or file_name == "":
return
self.open(file_name)
# ----------------------------------------------------------------------
def open(self, file_name):
"""
This method open a file.
"""
diagram = Diagram(self.main_window)
result = DiagramControl(diagram).load(file_name)
if result[0] is None:
self.message_dialog = MessageDialog("Error", result[1],
self.main_window)
self.message_dialog.run()
return
diagram = result[0]
System.add_recent_files(file_name)
# ----------------------------------------------------------------------
def close(self):
"""
This method closes a tab on the work area.
"""
self.main_window.work_area.close_tab()
# ----------------------------------------------------------------------
def __select_save(self, diagram):
"""
This method selects a name to save the file.
"""
while True:
file_name = diagram.file_name
if file_name == "Untitled":
file_name = System.get_user_dir() + "/" + diagram.file_name
self.save_dialog = SaveDialog(self.main_window,
title=_("Save Diagram"),
filename=file_name,
filetype="*.mscd")
name = self.save_dialog.run()
if name is None:
return False, "User canceled the operation"
if os.path.exists(name) is True:
msg = _("File exists. Overwrite?")
self.confirm_dialog = ConfirmDialog(msg, self.main_window)
result = self.confirm_dialog.run()
if result == Gtk.ResponseType.CANCEL:
continue
if not name.endswith("mscd"):
name = name + ".mscd"
diagram.file_name = name
break
return True, "Success"
# ----------------------------------------------------------------------
def save(self, save_as=False):
"""
This method save the file.
"""
diagram = self.get_current_diagram()
if diagram is None:
return False
if diagram.file_name is "Untitled" or save_as:
result, message = self.__select_save(diagram)
if not result:
return False
result, message = DiagramControl(diagram).save()
if not result:
self.message_dialog = MessageDialog("Error", message,
self.main_window)
self.message_dialog.run()
return False
System.add_recent_files(diagram.file_name)
self.main_window.work_area.rename_diagram(diagram)
return True
# ----------------------------------------------------------------------
def save_as(self):
"""
This method save as.
"""
self.save(save_as=True)
# ----------------------------------------------------------------------
def exit(self, widget=None, data=None):
"""
This method close main window.
Returns:
* **Types** (:class:`boolean<boolean>`)
"""
PreferencesPersistence.save(System.get_preferences(),
System.get_user_dir())
if self.main_window.work_area.close_tabs():
Gtk.main_quit()
else:
return True
# ----------------------------------------------------------------------
def add_recent_files(self, file_name):
System.add_recent_files(file_name)
self.main_window.menu.update_recent_files()
PreferencesPersistence.save(System.get_preferences(),
System.get_user_dir())
# ----------------------------------------------------------------------
def get_clipboard(self):
"""
This method return the clipboard.
"""
return self.clipboard
# ----------------------------------------------------------------------
def reset_clipboard(self):
"""
This method clear the clipboard.
"""
self.clipboard = []
# ----------------------------------------------------------------------
def preferences(self):
"""
"""
self.preference_window = PreferenceWindow(self.main_window)
self.preference_window.run()
# ----------------------------------------------------------------------
def save_source(self, codes=None, generator=None):
"""
This method saves the source codes.
"""
diagram = self.get_current_diagram()
result, msg = CodeGenerator.save_source(diagram=diagram,
codes=codes,
generator=generator)
if not result:
self.message_dialog = MessageDialog("Error", msg, self.main_window)
self.message_dialog.run()
# ----------------------------------------------------------------------
def view_source(self):
"""
This method view the source code.
"""
diagram = self.get_current_diagram()
generator, msg = CodeGenerator.get_code_generator(diagram)
if generator is not None:
codes = generator.generate_code()
self.code_window = CodeWindow(self.main_window, codes)
self.code_window.run()
self.code_window.close()
self.code_window.destroy()
else:
self.message_dialog = MessageDialog("Error", msg, self.main_window)
self.message_dialog.run()
# ----------------------------------------------------------------------
def run(self, codes=None):
"""
This method runs the code.
"""
diagram = self.get_current_diagram()
generator, message = CodeGenerator.get_code_generator(diagram)
if generator is None:
return False
self.save_source(codes=codes, generator=generator)
command = diagram.code_template.command
command = command.replace("$dir_name$", System.get_dir_name(diagram))
def __run(self):
process = subprocess.Popen(command,
cwd=System.get_dir_name(diagram),
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
preexec_fn=os.setsid)
self.threads[thread] = diagram, process
self.main_window.toolbar.update_threads(self.threads)
(stdout_data, stderr_data) = process.communicate()
System.log(stdout_data + "\n")
System.log(stderr_data + "\n")
del self.threads[thread]
self.main_window.toolbar.update_threads(self.threads)
System.log("Executing Code:\n" + command)
thread = Thread(target=__run, args=(self, ))
thread.start()
return True
# ----------------------------------------------------------------------
def stop(self, widget, process):
if process is None:
return
pgid = os.getpgid(process.pid)
os.killpg(pgid, signal.SIGTERM)
# ----------------------------------------------------------------------
def publish(self):
"""
This method run web server.
"""
if self.publisher.is_running():
self.publisher.stop()
else:
self.publisher.start()
# ----------------------------------------------------------------------
def about(self):
"""
This method open the about window.
"""
self.about_window = About(self.main_window)
self.about_window.show_all()
# ----------------------------------------------------------------------
def search(self, query):
"""
This method search the query in the blocks_tree_view.
"""
self.main_window.block_notebook.search(query)
# ----------------------------------------------------------------------
def set_block(self, block):
"""
This method set the block properties.
"""
self.main_window.property_box.set_block(block)
# ----------------------------------------------------------------------
def get_selected_block(self):
"""
This method get the tree view block.
"""
return self.main_window.block_notebook.get_selected_block()
# ----------------------------------------------------------------------
def clear_console(self):
"""
This method clear the console.
"""
self.main_window.status.clear()
# ----------------------------------------------------------------------
def add_block(self, block):
"""
This method add a block.
Parameters:
* **Types** (:class:`block<>`)
Returns:
* **Types** (:class:`boolean<boolean>`)
"""
result = DiagramControl(self.get_current_diagram()).add_block(block)
if not result[0]:
message = result[1]
self.message_dialog = MessageDialog("Error", message,
self.main_window)
self.message_dialog.run()
return None
return block
# ----------------------------------------------------------------------
def add_comment(self, comment=None):
"""
This method add a block.
Parameters:
* **Types** (:class:`block<>`)
Returns:
* **Types** (:class:`boolean<boolean>`)
"""
DiagramControl(self.get_current_diagram()).add_comment(comment)
return True
# ----------------------------------------------------------------------
def select_all(self):
DiagramControl(self.get_current_diagram()).select_all()
# ----------------------------------------------------------------------
def cut(self):
"""
This method cut a block on work area.
"""
DiagramControl(self.get_current_diagram()).cut()
# ----------------------------------------------------------------------
def copy(self):
"""
This method copy a block.
"""
DiagramControl(self.get_current_diagram()).copy()
# ----------------------------------------------------------------------
def paste(self):
"""
This method paste a block.
"""
DiagramControl(self.get_current_diagram()).paste()
# ----------------------------------------------------------------------
def delete(self):
"""
This method delete a block.
"""
DiagramControl(self.get_current_diagram()).delete()
# ----------------------------------------------------------------------
def zoom_in(self):
"""
This method increases the zoom value.
"""
DiagramControl(self.get_current_diagram()).change_zoom(System.ZOOM_IN)
# ----------------------------------------------------------------------
def zoom_out(self):
"""
This method decreases the zoom.
"""
DiagramControl(self.get_current_diagram()).change_zoom(System.ZOOM_OUT)
# ----------------------------------------------------------------------
def zoom_normal(self):
"""
Set the zoom value to normal.
"""
DiagramControl(self.get_current_diagram()).change_zoom(
System.ZOOM_ORIGINAL)
# ----------------------------------------------------------------------
def undo(self):
"""
Undo a modification.
"""
DiagramControl(self.get_current_diagram()).undo()
# ----------------------------------------------------------------------
def redo(self):
"""
Redo a modification.
"""
DiagramControl(self.get_current_diagram()).redo()
# ----------------------------------------------------------------------
def align_top(self):
DiagramControl(self.get_current_diagram()).align("TOP")
# ----------------------------------------------------------------------
def align_bottom(self):
DiagramControl(self.get_current_diagram()).align("BOTTOM")
# ----------------------------------------------------------------------
def align_left(self):
DiagramControl(self.get_current_diagram()).align("LEFT")
# ----------------------------------------------------------------------
def align_right(self):
DiagramControl(self.get_current_diagram()).align("RIGHT")
# ----------------------------------------------------------------------
def collapse_all(self):
DiagramControl(self.get_current_diagram()).collapse_all(True)
# ----------------------------------------------------------------------
def uncollapse_all(self):
DiagramControl(self.get_current_diagram()).collapse_all(False)
# ----------------------------------------------------------------------
def redraw(self, show_grid):
diagrams = self.main_window.work_area.get_diagrams()
for diagram in diagrams:
DiagramControl(diagram).set_show_grid(show_grid)
# ----------------------------------------------------------------------
def show_grid(self, event):
if event is None:
return
self.redraw(event.get_active())
# ----------------------------------------------------------------------
def add_code_template(self, code_template):
CodeTemplateControl.add_code_template(code_template)
System.reload()
# ----------------------------------------------------------------------
def delete_code_template(self, code_template_name):
result = CodeTemplateControl.delete_code_template(code_template_name)
if not result[0]:
self.message_dialog = MessageDialog("Error", result[1],
self.main_window)
self.message_dialog.run()
return False
self.message_dialog = MessageDialog("Info", result[1],
self.main_window)
self.message_dialog.run()
System.reload()
return True
# ----------------------------------------------------------------------
def add_port(self, port):
PortControl.add_port(port)
System.reload()
# ----------------------------------------------------------------------
def delete_port(self, port_key):
result = PortControl.delete_port(port_key)
if not result[0]:
self.message_dialog = MessageDialog("Error", result[1],
self.main_window)
self.message_dialog.run()
System.reload()
# ----------------------------------------------------------------------
def add_new_block(self, block):
BlockControl.add_new_block(block)
self.update_blocks()
# ----------------------------------------------------------------------
def delete_block(self, block):
result = BlockControl.delete_block(block)
if not result[0]:
self.message_dialog = MessageDialog("Error", result[1],
self.main_window)
self.message_dialog.run()
self.update_blocks()
# ----------------------------------------------------------------------
def update_all(self):
for diagram in self.main_window.work_area.get_diagrams():
diagram.update()
class WorkArea(Gtk.Notebook):
"""
This class contains methods related the WorkArea class.
"""
def __init__(self, main_window):
Gtk.Notebook.__init__(self)
self.main_window = main_window
self.set_scrollable(True)
self.diagrams = []
self.connect("switch-page", self.__on_switch_page)
self.connect("page-removed", self.__on_page_removed)
self.confirm = None
# ----------------------------------------------------------------------
def __on_page_removed(self, notebook, child, page_num):
if self.get_n_pages() == 0:
self.main_window.set_title("")
# ----------------------------------------------------------------------
def __on_switch_page(self, notebook, child, page_num):
self.main_window.set_title(child.file_name)
# ----------------------------------------------------------------------
def add_diagram(self, diagram):
"""
This method add a new diagram page.
Parameters:
* **diagram** (:class:`Diagram<mosaicode.GUI.diagram`)
"""
name = diagram.patch_name
index = self.append_page(diagram, self.__create_tab_label(name, diagram))
self.show_all()
self.diagrams.append(diagram)
self.set_current_page(self.get_n_pages() - 1)
# ----------------------------------------------------------------------
def close_tab(self, position=None):
"""
This method close a tab.
Parameters:
* **position**
Returns:
* **Types** (:class:`boolean<boolean>`)
"""
if position is None:
position = self.get_current_page()
diagram = self.get_nth_page(position)
if diagram is None:
return False
if diagram.modified:
message = _("Diagram ") + diagram.file_name + \
_(" is not saved.\nIf you close it"
", changes will be lost.\n"
"Confirm?")
self.confirm = ConfirmDialog(message, self.main_window)
result = self.confirm.run()
if result == Gtk.ResponseType.CANCEL:
return False
self.remove_page(position)
self.diagrams.pop(position)
return True
# ----------------------------------------------------------------------
def __create_tab_label(self, text, frame):
"""
This method create a tab label.
Parameters:
* **text** (:class:`str<str>`)
Returns:
* **box**
"""
box = Gtk.HBox()
button = Gtk.Button()
image = Gtk.Image().new_from_icon_name(Gtk.STOCK_CLOSE, Gtk.IconSize.MENU)
button.set_image(image)
button.set_relief(Gtk.ReliefStyle.NONE)
button.connect('clicked', self.__on_close_button_clicked, frame)
label = Gtk.Label.new(text)
box.add(label)
box.add(button)
box.show_all()
return box
# ----------------------------------------------------------------------
def __on_close_button_clicked(self, widget, frame):
index = -1
for tab in self.get_children():
index += 1
if tab == frame:
break
self.close_tab(index)
# ----------------------------------------------------------------------
def get_current_diagram(self):
"""
This method get current diagram page.
Return
* **Types** (:class:`int<int>`)
"""
if self.get_current_page() > -1:
return self.diagrams[self.get_current_page()]
else:
return None
# ----------------------------------------------------------------------
def get_diagrams(self):
return self.diagrams
# ----------------------------------------------------------------------
def rename_diagram(self, diagram):
"""
This method rename a diagram page.
Parameters:
* **diagram** (:class:`diagram<mosaicode.GUI.diagram>`)
"""
index = -1
for page in self.get_children():
index += 1
if page == diagram:
break
tab = self.get_nth_page(index)
if tab is None:
return
hbox = self.get_tab_label(tab)
label = hbox.get_children()[0]
name = diagram.patch_name
if diagram.modified:
name = "* " + name
label.set_text(name)
self.main_window.set_title(diagram.file_name)
# ----------------------------------------------------------------------
def resize(self, data):
"""
This method resize a diagram page.
Parameters:
* **data**
"""
for diagram in self.diagrams:
diagram.resize(data)
# ----------------------------------------------------------------------
def close_tabs(self):
"""
This method close tabs.
Returns:
* **boolean** (:class:`boolean<boolean>`)
"""
n_pages = self.get_n_pages()
for i in range(n_pages):
if not self.close_tab(0):
return False
return True
