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Add_a_point_road_sign.py
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# -*- coding: utf-8 -*-
"""
/***************************************************************************
Add_a_point_road_sign.py
QGIS plugin that adds a point road sign to a traffic management design.
--------------------------------------
Date : 21.01.2019
Copyright: (C) 2019 by Piotr Michałowski
Email: [email protected]
/***************************************************************************
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
***************************************************************************/
"""
SCRIPT_TITLE = 'Add a point road sign'
SCRIPT_NAME = 'Add_a_point_road_sign'
SCRIPT_VERSION = '1.0.1'
GENERAL_INFO = u"""
author: Piotr Michałowski, Olsztyn, woj. W-M, Poland
license: GPL v. 2
work begin: 21.01.2019
"""
import os, math
from PyQt5 import QtCore, QtGui, QtWidgets, QtSvg, uic
from PyQt5.QtGui import QTextCursor
from qgis.core import *
from qgis.utils import iface
from .Setup import Setup
from .Mouse_point_tool import Mouse_point_tool
from .My_QSvgWidget import My_QSvgWidget
from .My_QLabel import My_QLabel
from .Type_preview_Dialog import Type_preview_Dialog
from .My_LineEdit import My_LineEdit
#====================================================================================================================
class Add_a_point_road_sign(QtWidgets.QMainWindow):
def __init__(self, iface):
super(Add_a_point_road_sign, self).__init__()
self.iface = iface
self.base_path = os.path.realpath(__file__).split(os.sep + SCRIPT_NAME + os.sep)[0] + os.sep + SCRIPT_NAME
self.icon = QtGui.QIcon(os.path.join(self.base_path, 'img', 'Add_a_point_road_sign_ICON.png'))
self.mouse_point_tool = None
self.setup = Setup()
self.start_date = None
self.pt_width = None
self.pt_height = None
self.angle = None
self.comments = None
self.street_name = None
self.selected_type = None
self.selected_type_path = None
self.type_groups_folder = None
self.type_folders = None
self.type_preview_Dialog = None
self.type_groups_comboBox_currentIndexChanged_LOCK = True
self.memory_list = [[None] * 6, [None] * 6, [None] * 6]
self.memory_X_pushButtons_list = None
self.set_angle_mode = False
self.svg_extension_list = ['.SVG']
self.raster_extension_list = ['.PNG', '.JPG']
self.selected_type_file_name_label_default_text = None
self.type_groups_folder_label_default_text = None
def closeEvent(self, event): # overriding the method
self.mouse_point_tool_del()
event.accept()
#----------------------------------------------------------------------------------------------------------------
# plugin methods:
def initGui(self):
self.action = QtWidgets.QAction(self.icon, SCRIPT_TITLE, self.iface.mainWindow())
self.action.setObjectName(SCRIPT_NAME + '_action')
self.iface.addToolBarIcon(self.action)
self.action.triggered.connect(self.run)
uic.loadUi(os.path.join(self.base_path, 'ui', 'Add_a_point_road_sign.ui'), self)
self.selected_type_file_name_label_default_text = self.Selected_type_file_name_label.text()
self.type_groups_folder_label_default_text = self.Type_groups_folder_label.text()
self.setWindowTitle(SCRIPT_TITLE + ' v. ' + SCRIPT_VERSION)
self.Graphics_type_groupBox.setEnabled(self._raster_enabled())
self.Selected_type_QSvgWidget = QtSvg.QSvgWidget(self)
self.Selected_type_QSvgWidget.setGeometry(QtCore.QRect(5, 5, 71, 71))
self.Selected_type_QLabel = QtWidgets.QLabel(self)
self.Selected_type_QLabel.setGeometry(QtCore.QRect(5, 5, 71, 71))
self.Selected_type_QLabel.setVisible(False)
self.Type_filter_lineEdit = My_LineEdit(self)
self.Type_filter_lineEdit.setGeometry(QtCore.QRect(515, 60, 113, 20))
self.Type_filter_lineEdit.setObjectName("Type_filter_lineEdit")
self.memory_X_pushButtons_list = [self.Memory_1_pushButton, self.Memory_2_pushButton, self.Memory_3_pushButton]
self.set_default_pushButton_clicked()
self.Set_type_groups_folder_pushButton.clicked.connect(self.set_type_groups_folder_pushButton_clicked)
self.About_pushButton.clicked.connect(self.about_pushButton_clicked)
self.Width_lineEdit.textChanged.connect(self.width_lineEdit_textChanged)
self.Height_lineEdit.textChanged.connect(self.height_lineEdit_textChanged)
self.Angle_lineEdit.textChanged.connect(self.angle_lineEdit_textChanged)
self.Start_dateTimeEdit.dateTimeChanged.connect(self.start_dateTimeEdit_dateTimeChanged)
self.Comments_textEdit.textChanged.connect(self.comments_textEdit_textChanged)
self.Street_name_textEdit.textChanged.connect(self.street_name_textEdit_textChanged)
self.Type_groups_comboBox.currentIndexChanged.connect(self.type_groups_comboBox_currentIndexChanged)
self.Type_preview_pushButton.clicked.connect(self.type_preview_pushButton_clicked)
self.Type_filter_pushButton.clicked.connect(self.type_filter_pushButton_clicked)
self.Type_filter_lineEdit.enter_pressed_signal.connect(self.type_filter_pushButton_clicked)
self.Manual_pushButton.clicked.connect(self.manual_pushButton_clicked)
self.Set_default_pushButton.clicked.connect(self.set_default_pushButton_clicked)
self.Memory_1_pushButton.clicked.connect(self.memory_1_pushButton_clicked)
self.Memory_2_pushButton.clicked.connect(self.memory_2_pushButton_clicked)
self.Memory_3_pushButton.clicked.connect(self.memory_3_pushButton_clicked)
self.Del_memory_1_pushButton.clicked.connect(self.del_memory_1_pushButton_clicked)
self.Del_memory_2_pushButton.clicked.connect(self.del_memory_2_pushButton_clicked)
self.Del_memory_3_pushButton.clicked.connect(self.del_memory_3_pushButton_clicked)
self.Set_angle_pushButton.clicked.connect(self.set_angle_pushButton_clicked)
self.Copy_data_pushButton.clicked.connect(self.copy_data_pushButton_clicked)
self.SVG_radioButton.toggled.connect(self.svg_radioButton_toggled)
def unload(self):
self.iface.removeToolBarIcon(self.action)
self.action.triggered.disconnect(self.run)
self.Set_type_groups_folder_pushButton.clicked.disconnect(self.set_type_groups_folder_pushButton_clicked)
self.About_pushButton.clicked.disconnect(self.about_pushButton_clicked)
self.Width_lineEdit.textChanged.disconnect(self.width_lineEdit_textChanged)
self.Height_lineEdit.textChanged.disconnect(self.height_lineEdit_textChanged)
self.Angle_lineEdit.textChanged.disconnect(self.angle_lineEdit_textChanged)
self.Start_dateTimeEdit.dateTimeChanged.disconnect(self.start_dateTimeEdit_dateTimeChanged)
self.Comments_textEdit.textChanged.disconnect(self.comments_textEdit_textChanged)
self.Street_name_textEdit.textChanged.disconnect(self.street_name_textEdit_textChanged)
self.Type_groups_comboBox.currentIndexChanged.disconnect(self.type_groups_comboBox_currentIndexChanged)
self.Type_preview_pushButton.clicked.disconnect(self.type_preview_pushButton_clicked)
self.Type_filter_pushButton.clicked.disconnect(self.type_filter_pushButton_clicked)
self.Type_filter_lineEdit.enter_pressed_signal.disconnect(self.type_filter_pushButton_clicked)
self.Manual_pushButton.clicked.disconnect(self.manual_pushButton_clicked)
self.Set_default_pushButton.clicked.disconnect(self.set_default_pushButton_clicked)
self.Memory_1_pushButton.clicked.disconnect(self.memory_1_pushButton_clicked)
self.Memory_2_pushButton.clicked.disconnect(self.memory_2_pushButton_clicked)
self.Memory_3_pushButton.clicked.disconnect(self.memory_3_pushButton_clicked)
self.Del_memory_1_pushButton.clicked.disconnect(self.del_memory_1_pushButton_clicked)
self.Del_memory_2_pushButton.clicked.disconnect(self.del_memory_2_pushButton_clicked)
self.Del_memory_3_pushButton.clicked.disconnect(self.del_memory_3_pushButton_clicked)
self.Set_angle_pushButton.clicked.disconnect(self.set_angle_pushButton_clicked)
self.Copy_data_pushButton.clicked.disconnect(self.copy_data_pushButton_clicked)
self.SVG_radioButton.toggled.disconnect(self.svg_radioButton_toggled)
def run(self):
self.mouse_point_tool_del()
self.mouse_point_tool_init()
#----------------------------------------------------------------------------------------------------------------
# input widget methods
def set_type_groups_folder_pushButton_clicked(self):
self.type_groups_comboBox_currentIndexChanged_LOCK = True
_type_groups_folder = QtWidgets.QFileDialog.getExistingDirectory(None, 'Select a type groups folder:', self.type_groups_folder, QtWidgets.QFileDialog.ShowDirsOnly)
if _type_groups_folder and os.path.exists(_type_groups_folder) and os.path.isdir(_type_groups_folder):
self.type_groups_folder = _type_groups_folder
self.Type_groups_folder_label.setText(self.type_groups_folder)
self.Type_groups_comboBox.clear()
self.type_folders = [f for f in os.listdir(self.type_groups_folder) if os.path.isdir(os.path.join(self.type_groups_folder, f))]
self.Type_groups_comboBox.addItems(self.type_folders)
if self.type_folders is None or len(self.type_folders) <= 0:
self.type_folders = ['']
self._show_type_group(self.type_folders[0])
self.type_groups_comboBox_currentIndexChanged_LOCK = False
def _show_type_group(self, folder_name, filter_mask = None):
self._remove_widgets_from_gridLayout()
if folder_name and len(folder_name) > 0:
_folder = os.path.join(self.type_groups_folder, folder_name)
else:
_folder = self.type_groups_folder
if self.SVG_radioButton.isChecked():
_tmp_extension_list = self.svg_extension_list
else:
_tmp_extension_list = self.raster_extension_list
if filter_mask and len(filter_mask) > 0:
_type_file_names = [f for f in os.listdir(_folder) if os.path.isfile(os.path.join(_folder, f)) and os.path.splitext(f)[1].upper() in _tmp_extension_list and os.path.splitext(f)[0].upper().rfind(filter_mask.upper()) >= 0]
else:
_type_file_names = [f for f in os.listdir(_folder) if os.path.isfile(os.path.join(_folder, f)) and os.path.splitext(f)[1].upper() in _tmp_extension_list]
n = len(_type_file_names)
if n > 0:
MAX_COL = 8
IMG_WIDTH = 71
IMG_HEIGHT = 71
row = n // MAX_COL
if n % MAX_COL != 0:
row += 1
col = min(n, MAX_COL)
_new_rect = QtCore.QRect(0, 0, col * (IMG_WIDTH + 8), row * (IMG_HEIGHT + 8))
self.scrollAreaWidgetContents.setGeometry(_new_rect)
self.gridLayoutWidget.setGeometry(_new_rect)
r = 0
c = -1
for _type_file_name in _type_file_names:
c += 1
if c >= MAX_COL:
c = 0
r += 1
if self.SVG_radioButton.isChecked():
self.gridLayout.addWidget(self._get_QSvgWidget(os.path.join(_folder, _type_file_name), IMG_WIDTH, IMG_HEIGHT), r, c)
else:
self.gridLayout.addWidget(self._get_QLabel(os.path.join(_folder, _type_file_name), IMG_WIDTH, IMG_HEIGHT), r, c)
def _remove_widgets_from_gridLayout(self):
for i in reversed(range(self.gridLayout.count())):
_widget_to_remove = self.gridLayout.itemAt(i).widget()
self.gridLayout.removeWidget(_widget_to_remove)
_widget_to_remove.setParent(None)
del _widget_to_remove
def _get_QSvgWidget(self, file_path, width, height):
_tmp_QSvgWidget = My_QSvgWidget(self, file_path)
_tmp_QSvgWidget.setGeometry(QtCore.QRect(0, 0, width, height))
_tmp_QSvgWidget.setMinimumSize(width, height)
_tmp_QSvgWidget.setSizePolicy(QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed)
_tmp_QSvgWidget.load(file_path)
return _tmp_QSvgWidget
def _get_QLabel(self, file_path, width, height):
_tmp_label = My_QLabel(self, file_path)
_tmp_label.setGeometry(QtCore.QRect(0, 0, width, height))
_tmp_label.setMinimumSize(width, height)
_tmp_label.setSizePolicy(QtWidgets.QSizePolicy.Fixed, QtWidgets.QSizePolicy.Fixed)
self._show_image_on_label(_tmp_label, file_path, width, height)
return _tmp_label
def _show_image_on_label(self, label, file_path, width, height):
if label and file_path and os.path.exists(file_path):
try:
_image = QtGui.QImage(file_path)
if _image:
_image = _image.scaled(width, height, aspectRatioMode=QtCore.Qt.KeepAspectRatio, transformMode=QtCore.Qt.SmoothTransformation)
label.setPixmap(QtGui.QPixmap.fromImage(_image))
except:
print("_show_image_on_label - ERROR.")
def _raster_enabled(self):
try:
ver_str_list = Qgis.QGIS_VERSION.split('.')
if ver_str_list and len(ver_str_list) >= 2:
ver_major = int(ver_str_list[0])
if ver_major >= 4:
return True
elif ver_major == 3:
ver_minor = int(ver_str_list[1])
if ver_minor >= 6:
return True
except:
pass
return False
def svg_radioButton_toggled(self):
if self.SVG_radioButton.isChecked():
self.Selected_type_QSvgWidget.setVisible(True)
self.Selected_type_QLabel.setVisible(False)
else:
self.Selected_type_QSvgWidget.setVisible(False)
self.Selected_type_QLabel.setVisible(True)
self.Type_groups_comboBox.clear()
self._remove_widgets_from_gridLayout()
self.Selected_type_file_name_label.setText(self.selected_type_file_name_label_default_text)
self.Type_groups_folder_label.setText(self.type_groups_folder_label_default_text)
self.selected_type = None
self.selected_type_path = None
self.Selected_type_QSvgWidget.load(None)
self.Selected_type_QLabel.clear()
def type_groups_comboBox_currentIndexChanged(self, new_idx):
if not self.type_groups_comboBox_currentIndexChanged_LOCK:
if self.type_folders and len(self.type_folders) >= new_idx + 1:
self._show_type_group(self.type_folders[new_idx])
def set_selected_type_QSvgWidget(self, path):
self.Selected_type_QSvgWidget.load(path)
self.selected_type = os.path.basename(path).split('.')[0]
self.Selected_type_file_name_label.setText(self.selected_type)
self.selected_type_path = path
def set_selected_type_QLabel(self, path):
self._show_image_on_label(self.Selected_type_QLabel, path, self.Selected_type_QLabel.width(), self.Selected_type_QLabel.height())
self.selected_type = os.path.basename(path).split('.')[0]
self.Selected_type_file_name_label.setText(self.selected_type)
self.selected_type_path = path
def start_dateTimeEdit_dateTimeChanged(self, dateTime):
self.start_date = dateTime.toString("yyyy'-'MM'-'dd'T'hh':'mm")
def width_lineEdit_textChanged(self, tx):
if tx is None or len(tx) == 0 or self.is_float(tx):
self.pt_width = tx.strip()
else:
self.Width_lineEdit.setText(self.pt_width)
def height_lineEdit_textChanged(self, tx):
if tx is None or len(tx) == 0 or self.is_float(tx):
self.pt_height = tx.strip()
else:
self.Height_lineEdit.setText(self.pt_height)
def angle_lineEdit_textChanged(self, tx):
if tx is None or len(tx) == 0 or self.is_float(tx):
self.angle = tx.strip()
else:
self.Angle_lineEdit.setText(self.angle)
def comments_textEdit_textChanged(self):
tx = self.Comments_textEdit.toPlainText()
len_tx = len(tx)
if len_tx <= Setup.COMMENTS_MAX_LENGTH:
self.comments = tx.strip()
else:
self.Comments_textEdit.setText(self.comments)
self.Comments_textEdit.moveCursor(QTextCursor.End)
print("comments' len = " + str(len_tx) + " > " + str(Setup.COMMENTS_MAX_LENGTH))
def street_name_textEdit_textChanged(self):
tx = self.Street_name_textEdit.toPlainText()
len_tx = len(tx)
if len_tx <= Setup.STREET_NAME_MAX_LENGTH:
self.street_name = tx.strip()
else:
self.Street_name_textEdit.setText(self.street_name)
self.Street_name_textEdit.moveCursor(QTextCursor.End)
print("street names' len = " + str(len_tx) + " > " + str(Setup.STREET_NAME_MAX_LENGTH))
def about_pushButton_clicked(self):
QtWidgets.QMessageBox.information(self, SCRIPT_TITLE, SCRIPT_TITLE + ' v. ' + SCRIPT_VERSION + '\n' + GENERAL_INFO + "\n( QGIS v. " + Qgis.QGIS_VERSION + " )")
def type_preview_pushButton_clicked(self):
if self.selected_type_path:
self.type_preview_Dialog = Type_preview_Dialog(self, self.selected_type_path)
def type_filter_pushButton_clicked(self):
if self.type_folders:
tx = self.Type_filter_lineEdit.text()
ci = self.Type_groups_comboBox.currentIndex()
if ci is not None and tx and len(tx) > 0:
self._show_type_group(self.type_folders[ci], tx)
def manual_pushButton_clicked(self):
if Setup.MANUAL_FILE_NAME and len(Setup.MANUAL_FILE_NAME) > 0 and Setup.MANUAL_FILE_NAME.upper().endswith('.PDF'):
try:
os.startfile(os.path.join(self.base_path, 'doc', Setup.MANUAL_FILE_NAME))
except:
pass
def set_default_pushButton_clicked(self):
self.start_date = Setup.START_DATE
self.pt_width = str(Setup.WIDTH).strip()
self.pt_height = str(Setup.HEIGHT).strip()
self.angle = None
self.comments = Setup.COMMENTS.strip()
self.street_name = Setup.STREET_NAME.strip()
self._show_data()
def memory_1_pushButton_clicked(self):
self.memory_X_pushButton_clicked(0)
def memory_2_pushButton_clicked(self):
self.memory_X_pushButton_clicked(1)
def memory_3_pushButton_clicked(self):
self.memory_X_pushButton_clicked(2)
def del_memory_1_pushButton_clicked(self):
self.Memory_1_pushButton.setText('')
def del_memory_2_pushButton_clicked(self):
self.Memory_2_pushButton.setText('')
def del_memory_3_pushButton_clicked(self):
self.Memory_3_pushButton.setText('')
def memory_X_pushButton_clicked(self, idx):
if self.memory_X_pushButtons_list[idx].text() and self.memory_X_pushButtons_list[idx].text() == 'M' + str(idx + 1):
self.start_date = self.memory_list[idx][0]
self.pt_width = self.memory_list[idx][1]
self.pt_height = self.memory_list[idx][2]
self.angle = self.memory_list[idx][3]
self.comments = self.memory_list[idx][4]
self.street_name = self.memory_list[idx][5]
self._show_data()
else:
self.memory_list[idx][0] = self.start_date
self.memory_list[idx][1] = self.pt_width
self.memory_list[idx][2] = self.pt_height
self.memory_list[idx][3] = self.angle
self.memory_list[idx][4] = self.comments
self.memory_list[idx][5] = self.street_name
self.memory_X_pushButtons_list[idx].setText('M' + str(idx + 1))
def _show_data(self):
if self.start_date and len(self.start_date) > 0:
try:
self.Start_dateTimeEdit.setDateTime(QtCore.QDateTime.fromString(self.start_date, "yyyy'-'MM'-'dd'T'hh':'mm"))
except:
print("setDateTime - ERROR")
if self.pt_width:
self.Width_lineEdit.setText(self.pt_width)
else:
self.Width_lineEdit.setText('')
if self.pt_height:
self.Height_lineEdit.setText(self.pt_height)
else:
self.Height_lineEdit.setText('')
if self.angle:
self.Angle_lineEdit.setText(self.angle)
else:
self.Angle_lineEdit.setText('')
if self.comments:
self.Comments_textEdit.setText(self.comments)
else:
self.Comments_textEdit.setText('')
if self.street_name:
self.Street_name_textEdit.setText(self.street_name)
else:
self.Street_name_textEdit.setText('')
def set_angle_pushButton_clicked(self):
self.Set_angle_pushButton.setEnabled(False)
self.set_angle_mode = True
def set_angle(self, angle):
self.angle = math.floor(angle)
self.Angle_lineEdit.setText(str(self.angle))
self.Set_angle_pushButton.setEnabled(True)
self.set_angle_mode = False
def copy_data_pushButton_clicked(self):
layer = self.get_active_point_layer()
if layer:
selection = layer.selectedFeatures()
if selection and len(selection) > 0:
try:
self.start_date = selection[0][self.setup.DB_FIELD_NAMES_MAPPING_DICT['START_DATE']].toString("yyyy'-'MM'-'dd'T'hh':'mm")
except:
pass
try:
self.pt_width = str(selection[0][self.setup.DB_FIELD_NAMES_MAPPING_DICT['WIDTH']])
except:
pass
try:
self.pt_height = str(selection[0][self.setup.DB_FIELD_NAMES_MAPPING_DICT['HEIGHT']])
except:
pass
try:
self.angle = str(selection[0][self.setup.DB_FIELD_NAMES_MAPPING_DICT['ANGLE']])
except:
pass
try:
self.comments = selection[0][self.setup.DB_FIELD_NAMES_MAPPING_DICT['COMMENTS']]
except:
pass
try:
self.street_name = selection[0][self.setup.DB_FIELD_NAMES_MAPPING_DICT['STREET_NAME']]
except:
pass
self._show_data()
else:
QtWidgets.QMessageBox.critical(self.iface.mainWindow(), SCRIPT_TITLE, 'Please select a POINT in selected layer.')
#----------------------------------------------------------------------------------------------------------------
# work methods:
def mouse_point_tool_del(self):
if self.mouse_point_tool:
try:
iface.mapCanvas().unsetMapTool(self.mouse_point_tool)
except:
pass
finally:
self.mouse_point_tool.setParent(None)
del self.mouse_point_tool
self.mouse_point_tool = None
print("mouse_point_tool_del - OK")
def mouse_point_tool_init(self):
self.mouse_point_tool = Mouse_point_tool(iface.mapCanvas(), self)
iface.mapCanvas().setMapTool(self.mouse_point_tool)
self._show_data()
self.show()
print("mouse_point_tool_init - OK")
def get_active_point_layer(self):
res = False
try:
layer = self.iface.activeLayer()
if layer and layer.type() == QgsMapLayer.VectorLayer:
features = layer.getFeatures()
n = 0
for feature in features:
n += 1
geom = feature.geometry()
if geom and (geom.type() == QgsWkbTypes.PointGeometry or geom.type() == QgsWkbTypes.MultiPointGeometry):
res = True
break
if n == 0:
res = True
except:
pass
if not res:
QtWidgets.QMessageBox.critical(self.iface.mainWindow(), SCRIPT_TITLE, 'Please select a POINT LAYER.')
return None
else:
return layer
def is_float(self, x_str):
try:
float(x_str)
return True
except:
pass
return False
#====================================================================================================================