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template_list_window.py
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template_list_window.py
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from PyQt5 import QtCore, QtGui, QtWidgets
from variable_template_fields_dialog import VariableTemplateFieldsDialog, VariableTemplateParams
from ui.py.template_list_form import Ui_templates_list_dialog as TemplateListForm
from template_scales_widget import ScalesWidget
from db_templates import TemplateParams, TemplatesDB
from irspy.qt.qt_settings_ini_parser import QtSettings
from irspy import utils
class TemplateListWindow(QtWidgets.QDialog):
config_ready = QtCore.pyqtSignal(TemplateParams, VariableTemplateParams)
def __init__(self, a_settings: QtSettings, a_parent=None):
super().__init__(a_parent)
self.ui = TemplateListForm()
self.ui.setupUi(self)
self.ui.template_params_widget.setDisabled(True)
self.templates_db = TemplatesDB("templates.db")
# parent не передается намеренно, иначе scales_widget не удаляется из за чего не удаяется parent
self.scales_widget = ScalesWidget(self.templates_db)
self.ui.scales_layout.addWidget(self.scales_widget)
self.settings = a_settings
self.settings.restore_qwidget_state(self)
self.current_template = TemplateParams()
for template_id, name in self.templates_db:
list_item = QtWidgets.QListWidgetItem(name)
list_item.setData(QtCore.Qt.UserRole, template_id)
self.ui.templates_list.addItem(list_item)
self.ui.add_template_button.clicked.connect(self.add_template_clicked)
self.ui.edit_template_button.clicked.connect(self.edit_template)
self.ui.duplicate_template_button.clicked.connect(self.duplicate_template)
self.ui.delete_template_button.clicked.connect(self.delete_current_template)
self.ui.choose_template_button.clicked.connect(self.choose_template)
self.ui.templates_list.itemDoubleClicked.connect(self.choose_template)
self.ui.save_template_button.clicked.connect(self.save_template)
self.ui.cancel_edit_template_button.clicked.connect(self.cancel_template_edit)
self.ui.templates_list.customContextMenuRequested.connect(self.show_context_menu)
self.ui.templates_list.currentItemChanged.connect(self.template_changed)
self.ui.template_name_edit.textChanged.connect(self.template_name_changed)
self.ui.filter_edit.textChanged.connect(self.filter_templates)
self.ui.templates_list.setCurrentRow(0)
def __del__(self):
print("templates list deleted")
def show_context_menu(self, a_pos: QtCore.QPoint):
menu = QtWidgets.QMenu()
menu.addAction("Новый шаблон", self.add_template_clicked)
template_chosen = self.ui.templates_list.currentRow() != -1
duplicate_act = menu.addAction("Дублировать", self.duplicate_template)
duplicate_act.setEnabled(template_chosen)
edit_act = menu.addAction("Редактировать", self.edit_template)
edit_act.setEnabled(template_chosen)
delete_act = menu.addAction("Удалить", self.delete_current_template)
delete_act.setEnabled(template_chosen)
global_pos = self.ui.templates_list.mapToGlobal(a_pos)
menu.exec(global_pos)
def template_name_changed(self, new_template_name: str):
self.current_template.name = new_template_name
self.ui.templates_list.currentItem().setText(new_template_name)
def activate_edit_template(self):
self.ui.template_params_widget.setDisabled(False)
self.ui.choose_templates_widget.setDisabled(True)
def activate_choose_template(self):
self.ui.template_params_widget.setDisabled(True)
self.ui.choose_templates_widget.setDisabled(False)
def template_changed(self, a_current: QtWidgets.QListWidgetItem):
try:
if a_current is not None:
new_template_id = a_current.data(QtCore.Qt.UserRole)
self.current_template = self.templates_db.get(new_template_id)
assert self.current_template is not None, "database operation 'get' has failed!"
self.fill_template_info_to_ui(self.current_template)
except AssertionError as err:
print(err)
def fill_template_info_to_ui(self, a_template_params: TemplateParams):
self.ui.template_name_edit.setText(a_template_params.name)
self.ui.device_name_edit.setText(a_template_params.device_name)
self.ui.device_creator_edit.setText(a_template_params.device_creator)
self.ui.device_system_combobox.setCurrentIndex(a_template_params.device_system)
self.scales_widget.reset(a_template_params.id, a_template_params.scales)
def add_template_clicked(self):
self.create_new_template()
def create_new_template(self, a_template_params: TemplateParams = None):
self.current_template = a_template_params if \
a_template_params is not None else TemplateParams(a_name="Новый шаблон")
copy_number = 0
source_template_name = self.current_template.name
while self.templates_db.is_name_exist(self.current_template.name):
copy_number += 1
self.current_template.name = "{0}_{1}".format(source_template_name, copy_number)
self.templates_db.new(self.current_template)
new_item = QtWidgets.QListWidgetItem(self.current_template.name, self.ui.templates_list)
new_item.setData(QtCore.Qt.UserRole, self.current_template.id)
self.ui.templates_list.setCurrentItem(new_item)
self.activate_edit_template()
def duplicate_template(self):
try:
current_template_id = self.ui.templates_list.currentItem().data(QtCore.Qt.UserRole)
duplicate_template = self.templates_db.get(current_template_id)
assert duplicate_template is not None, "database operation 'get' has failed!"
self.create_new_template(duplicate_template)
except AssertionError as err:
print(err)
def edit_template(self):
if self.ui.templates_list.selectedItems():
self.activate_edit_template()
def save_template(self):
self.current_template.device_name = self.ui.device_name_edit.text()
self.current_template.device_creator = self.ui.device_creator_edit.text()
self.current_template.device_system = self.ui.device_system_combobox.currentIndex()
self.current_template.scales = self.scales_widget.get_scales()
self.templates_db.save(self.current_template)
self.activate_choose_template()
self.template_changed(self.ui.templates_list.currentItem())
def cancel_template_edit(self):
self.templates_db.cancel()
self.activate_choose_template()
if not self.templates_db.is_id_exist(self.current_template.id):
self.ui.templates_list.takeItem(self.ui.templates_list.currentRow())
else:
self.template_changed(self.ui.templates_list.currentItem())
def delete_current_template(self):
deleted_item = self.ui.templates_list.currentItem()
reply = QtWidgets.QMessageBox.question(self, "Подтвердите действие", "Вы действительно хотите удалить "
"шаблон '{0}'?".format(deleted_item.text()), QtWidgets.QMessageBox.Yes |
QtWidgets.QMessageBox.No, QtWidgets.QMessageBox.No)
if reply == QtWidgets.QMessageBox.Yes:
self.templates_db.delete(self.current_template)
self.ui.templates_list.takeItem(self.ui.templates_list.currentRow())
@utils.exception_decorator_print
def choose_template(self, _):
item = self.ui.templates_list.currentItem()
if item is not None:
variable_params_dialog = VariableTemplateFieldsDialog(self)
params = variable_params_dialog.exec_and_get_params()
if params is not None:
self.config_ready.emit(self.current_template, params)
self.reject()
def filter_templates(self, a_text):
for row in range(self.ui.templates_list.count()):
item = self.ui.templates_list.item(row)
item.setHidden(a_text.lower() not in item.text().lower())
def closeEvent(self, a_event: QtGui.QCloseEvent) -> None:
self.settings.save_qwidget_state(self)
self.scales_widget.close()
a_event.accept()