HYTOS

# coding: utf-8

""" This is Symbol Tree Widget module """

try:

    from PyQt5.QtCore import *

    from PyQt5.QtGui import *

    from PyQt5.QtWidgets import *

except ImportError:

    try:

        from PyQt4.QtCore import *

        from PyQt4.QtGui import *

    except ImportError:

        raise ImportError("ImageViewerQt: Requires PyQt5 or PyQt4.")

from AppDocData import *

import os

import sys

import SymbolBase

import symbol

import SymbolEditorDialog

import QSymbolDisplayDialog

class QSymbolTreeWidget(QTreeWidget):

    # Add signal

    singleClicked = pyqtSignal(SymbolBase.SymbolBase)

    TREE_DATA_ROLE = Qt.UserRole

    def __init__(self):

        QTreeWidget.__init__(self)

        self.setIconSize(QSize(32, 32))

        self.setDragEnabled(True)  # enable drag

        self.initDirTreeWidget()

        self.isDoubleClicked = False

        self.itemDoubleClicked.connect(self.itemDoubleClickEvent)

        self.setContextMenuPolicy(Qt.CustomContextMenu)

        self.customContextMenuRequested.connect(self.openContextMenu)

        self.currentItemChanged.connect(self.onCurrentItemChanged)

    '''

        @brief      Show Context Menu

        @author     Jeongwoo

        @date       18.04.??

        @history    Jeongwoo 2018.04.23 Symbol object Null Check when show context menu

                    humkyung 2018.08.14 add menu for symbol type

    '''

    def openContextMenu(self, position):

        indexes = self.selectedIndexes()

        itemPosition = self.mapTo(self, position)

        item = self.itemAt(itemPosition)

        data = item.data(0, self.TREE_DATA_ROLE)

        advanced = False

        app_doc_data = AppDocData.instance()

        configs = app_doc_data.getAppConfigs('app', 'mode')

        if configs and 1 == len(configs) and 'advanced' == configs[0].value:

            advanced = True

        if data is not None and type(data) is symbol.SymbolBase:

            sym = self.getSymbolByItemName(item, 0)

            text = item.text(0)

            if len(indexes) > 0:

                level = 0

                index = indexes[0]

                while index.parent().isValid():

                    index = index.parent()

                    level += 1

            if sym is not None:

                menu = QMenu()

                if advanced:

                    editSymbolAction = QAction(self.tr("Edit Symbol"))

                    editSymbolAction.triggered.connect(lambda: self.editSymbolActionClickEvent(item, 0))

                    menu.addAction(editSymbolAction)

                    editDisplaySymbolAction = QAction(self.tr("Edit Symbol for Display"))

                    editDisplaySymbolAction.triggered.connect(lambda: self.editDisplaySymbolActionClickEvent(item, 0))

                    menu.addAction(editDisplaySymbolAction)

                displaySymbolAction = QAction(self.tr("Display Symbol"))

                displaySymbolAction.triggered.connect(lambda: self.displaySymbolActionClickEvent(item, 0))

                menu.addAction(displaySymbolAction)

                if advanced:

                    deleteSymbolAction = QAction(self.tr("Delete Symbol"))

                    deleteSymbolAction.triggered.connect(lambda: self.deleteSymbolActionClickEvent(sym.getType(), text))

                    menu.addAction(deleteSymbolAction)

                menu.exec_(self.viewport().mapToGlobal(position))

        else:

            if advanced:

                menu = QMenu()

                editAttrAction = QAction(self.tr("Edit Attribute"))

                editAttrAction.triggered.connect(lambda: self.onEditAttrClicked(item, 0))

                menu.addAction(editAttrAction)

                menu.exec_(self.viewport().mapToGlobal(position))

    def editSymbolActionClickEvent(self, item, columNo):

        self.showSymbolEditorDialog(item, columNo)

    def editDisplaySymbolActionClickEvent(self, item, columNo):

        self.showSymbolEditorDialog(item, columNo, True)

    '''

        @brief      popup attribute editor dialog

        @author     humkyung

        @date       2018.08.13

    '''

    def onEditAttrClicked(self, item, columnNo):

        from SymbolAttrEditorDialog import QSymbolAttrEditorDialog

        try:

            data = item.data(0, self.TREE_DATA_ROLE)

            dlg = QSymbolAttrEditorDialog(self, data)

            dlg.show()

            dlg.exec_()

        except Exception as ex:

            from App import App

            message = 'error occurred({}) in {}:{}'.format(ex, sys.exc_info()[-1].tb_frame.f_code.co_filename,

                                                           sys.exc_info()[-1].tb_lineno)

            App.mainWnd().addMessage.emit(MessageType.Error, message)

    def displaySymbolActionClickEvent(self, item, columnNo):

        # project = AppDocData.instance().getCurrentProject()

        # image = QImage(os.path.join(project.getImageFilePath(), itemType, itemName, "PNG")) #itemName includes ".png"

        try:

            sym = self.getSymbolByItemName(item, columnNo)

            if sym is not None:

                # origin symbol image

                path = sym.getPath()

                image = QImage(path, "PNG")

                # symbol image for display

                path = os.path.splitext(path)

                path = path[0] + '_display' + path[1]

                image2 = QImage(path, "PNG") if os.path.exists(path) else None

                dialog = QSymbolDisplayDialog.QSymbolDisplayDialog(image, image2)

                dialog.showDialog()

            else:

                QMessageBox.about(self, self.tr('Error'), self.tr('Error occurs during loading symbol data.'))

        except Exception as ex:

            from App import App

            from AppDocData import MessageType

            message = 'error occurred({}) in {}:{}'.format(ex, sys.exc_info()[-1].tb_frame.f_code.co_filename,

                                                           sys.exc_info()[-1].tb_lineno)

            App.mainWnd().addMessage.emit(MessageType.Error, message)

    def deleteSymbolActionClickEvent(self, itemType, itemName):

        msg = QMessageBox()

        msg.setIcon(QMessageBox.Critical)

        msg.setText(self.tr('Are you sure you want to delete selected symbol?\nData can not be restored!'))

        msg.setWindowTitle(self.tr('Delete symbol'))

        msg.setStandardButtons(QMessageBox.Ok | QMessageBox.Cancel)

        result = msg.exec_()

        self.handleDeleteSymbolAction(result, itemType, itemName)

    '''

        @history    2018.05.03  Jeongwoo    Modify file path with ".png" and ".svg"

                                            Use project object when making svgPath

    '''

    def handleDeleteSymbolAction(self, result, itemType, itemName):

        if result == QMessageBox.Ok:

            project = AppDocData.instance().getCurrentProject()

            imagePath = os.path.join(project.getImageFilePath(), itemType,

                                     itemName + '.png')  # itemName DOESN'T includes ".png"

            if os.path.exists(imagePath):

                os.remove(imagePath)

            svgPath = os.path.join(project.getSvgFilePath(), itemType, itemName + '.svg')

            if os.path.exists(svgPath):

                os.remove(svgPath)

            AppDocData.instance().deleteSymbol(itemName)

            self.initDirTreeWidget()

        else:

            pass

    '''

        @history    2018.05.02  Jeongwoo    Change return value of QSymbolEditorDialog (Single variable → Tuple)

    '''

    def initDirTreeWidget(self):

        project = AppDocData.instance().getCurrentProject()

        if project is not None:

            self.clear()

            projectPath = project.getPath().replace("\\", "/")

            self.makeChildDir()

            self.load_symbol_info()

            self.expandAll()

    '''

        @brief      Load Symbol Info and add TreeItem with DB

        @author     Jeongwoo

        @date       18.04.20

        @history    Jeongwoo 2018.05.03 Get Svg File Path by SymbolBase.getSvgFileFullPath()

                    humkyung 2018.07.30 sort child items

    '''

    def load_symbol_info(self):

        try:

            app_doc_data = AppDocData.instance()

            symbolTypeList = app_doc_data.getSymbolTypeList()

            for symbolType in symbolTypeList:

                if not symbolType[1]: continue  # skip if category is empty

                parent = QTreeWidgetItem(self, [symbolType[2]])

                parent.setData(0, self.TREE_DATA_ROLE, symbolType)

                symbolList = app_doc_data.getSymbolListByType('UID', symbolType[0])

                for symbol in symbolList:

                    symbolItem = QTreeWidgetItem(parent, [symbol.getName()])

                    symbolItem.setData(0, self.TREE_DATA_ROLE, symbol)

                    _, svg = app_doc_data.read_symbol_shape(symbol.sName)

                    if svg:

                        symbol.pixmap = QPixmap()

                        symbol.pixmap.loadFromData(svg if isinstance(svg, bytes) else svg.encode())

                        icon = QIcon(symbol.pixmap)

                        symbolItem.setIcon(0, icon)

                        symbolItem.svgFilePath = None   # save svg file path

                    else:

                        svgPath = symbol.getSvgFileFullPath()

                        symbol.pixmap = QPixmap(svgPath)

                        icon = QIcon(symbol.pixmap)

                        symbolItem.setIcon(0, icon)

                        symbolItem.svgFilePath = svgPath  # save svg file path

                parent.sortChildren(0, Qt.AscendingOrder)

        except Exception as ex:

            from App import App

            message = 'error occurred({}) in {}:{}'.format(repr(ex), sys.exc_info()[-1].tb_frame.f_code.co_filename,

                                                           sys.exc_info()[-1].tb_lineno)

            App.mainWnd().addMessage.emit(MessageType.Error, message)

    '''

        @brief      Make Directory

        @author     Jeongwoo

        @date       18.04.??

        @history    18.04.12    Jeongwoo    Add output, temp Directory

    '''

    def makeChildDir(self):

        project = AppDocData.instance().getCurrentProject()

        dbDir = project.getDbFilePath()

        if not os.path.exists(dbDir):

            os.makedirs(dbDir)

        imgDir = project.getImageFilePath()

        if not os.path.exists(imgDir):

            os.makedirs(imgDir)

        svgDir = project.getSvgFilePath()

        if not os.path.exists(svgDir):

            os.makedirs(svgDir)

        outputDir = project.getOutputPath()

        if not os.path.exists(outputDir):

            os.makedirs(outputDir)

        tempDir = project.getTempPath()

        if not os.path.exists(tempDir):

            os.makedirs(tempDir)

    def showSymbolEditorDialog(self, item, columnNo, display=False):

        """pop up symbol editor dialog"""

        try:

            sym = self.getSymbolByItemName(item, columnNo)

            if sym and display:

                # for symbol image for display

                path = os.path.splitext(sym.getPath())

                path = path[0] + '_display' + path[1]

                if os.path.exists(path):

                    image = QImage(path, "PNG")

                else:

                    path = sym.getPath()

                    image = QImage(path, "PNG")

                symbolEditorDialog = SymbolEditorDialog.QSymbolEditorDialog(self, image,

                                                                            AppDocData.instance().getCurrentProject(),

                                                                            sym, True)

                (isAccepted, isImmediateInsert, offsetX, offsetY, newSym) = symbolEditorDialog.showDialog()

                self.initDirTreeWidget()

            elif sym:

                # for symbol data and detection image

                path = sym.getPath()

                image = QImage(path, "PNG")

                symbolEditorDialog = SymbolEditorDialog.QSymbolEditorDialog(self, image,

                                                                            AppDocData.instance().getCurrentProject(),

                                                                            sym, False)

                (isAccepted, isImmediateInsert, offsetX, offsetY, newSym) = symbolEditorDialog.showDialog()

                self.initDirTreeWidget()

            else:

                QMessageBox.about(self, self.tr('Error'), self.tr('Error occurs during loading symbol data.'))

        except Exception as ex:

            from App import App

            from AppDocData import MessageType

            message = 'error occurred({}) in {}:{}'.format(ex, sys.exc_info()[-1].tb_frame.f_code.co_filename,

                                                           sys.exc_info()[-1].tb_lineno)

            App.mainWnd().addMessage.emit(MessageType.Error, message)

    def select_symbol(self, symbol):

        """select a tree with given symbol"""

        founds = self.findItems(symbol.name, Qt.MatchExactly | Qt.MatchRecursive, 0)

        if founds:

            self.setCurrentItem(founds[0])

    def itemDoubleClickEvent(self, item, columnNo):

        self.isDoubleClicked = True

        sym = self.getSymbolByItemName(item, columnNo)

        itemName = item.text(columnNo)

        if sym is not None:

            self.showSymbolEditorDialog(item, columnNo)

        self.isDoubleClicked = False

    '''

        @brief      Get Symbol data by symbol name

        @author     Jeongwoo

        @date       18.04.20

    '''

    def getSymbolByItemName(self, item, columnNo):

        itemName = item.text(columnNo)

        name = itemName

        sym = AppDocData.instance().getSymbolByQuery("name", name)

        return sym

    '''

        @breif      show symbol's property when selection changed

        @author     humkyung

        @date       2018.07.30

    '''

    def onCurrentItemChanged(self, current, previous):

        item = self.currentItem()

        if item is not None:

            data = item.data(0, self.TREE_DATA_ROLE)

            if data is not None and type(data) is symbol.SymbolBase:

                self.singleClicked.emit(data)

    def startDrag(self, dropAction):

        """start drag"""

        try:

            items = self.selectedItems()

            if items and hasattr(items[0], 'svgFilePath'):

                symData = items[0].data(0, self.TREE_DATA_ROLE)

                mime = QMimeData()

                mime.setText(symData.getName())

                mime.tag = symData

                drag = QDrag(self)

                drag.setMimeData(mime)

                originalPoint = symData.getOriginalPoint()

                drag.setHotSpot(

                    QPoint(int(float(originalPoint.split(",")[0])), int(float(originalPoint.split(",")[1]))))

                drag.setPixmap(symData.pixmap)

                drag.exec(Qt.CopyAction)

        except Exception as ex:

            from App import App

            message = 'error occurred({}) in {}:{}'.format(ex, sys.exc_info()[-1].tb_frame.f_code.co_filename,

                                                           sys.exc_info()[-1].tb_lineno)

            App.mainWnd().addMessage.emit(MessageType.Error, message)