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| Current File : //home/ift/52_procpy/dataninja/pyqt5_file/texteditor.py |
import sys
from functools import partial
from PyQt5.QtCore import (QFile, QFileInfo, QSettings, QSignalMapper,
QTimer,Qt,QByteArray)
from PyQt5.QtWidgets import (QAction, QApplication, QFileDialog,QGraphicsView,QMainWindow, QMessageBox, QTextEdit,QMdiArea,QWidget,QProgressBar,QPushButton,QFrame,QGridLayout)
from PyQt5.QtGui import QIcon,QKeySequence
import textedit
import os, re, sys, time
from PyQt5.QtCore import QTimer
from procpy.modeler.graphmodel import Graphmodel
#import mdt_graphmodel
import qrc_resources
__version__ = "1.0.0"
class MainWindow(QMainWindow):
def __init__(self, parent=None):
super(MainWindow, self).__init__(parent)
self.mdi = QMdiArea()
self.setCentralWidget(self.mdi)
fileNewAction = self.createAction("&New", self.fileNew,
QKeySequence.New, "filenew", "Create a text file")
fileOpenAction = self.createAction("&Open...", self.fileOpen,
QKeySequence.Open, "fileopen",
"Open an existing text file")
fileSaveAction = self.createAction("&Save", self.fileSave,
QKeySequence.Save, "filesave", "Save the text")
fileSaveAsAction = self.createAction("Save &As...",
self.fileSaveAs, icon="filesaveas",
tip="Save the text using a new filename")
fileSaveAllAction = self.createAction("Save A&ll",
self.fileSaveAll, "filesave",
tip="Save all the files")
fileQuitAction = self.createAction("&Quit", self.close,
"Ctrl+Q", "filequit", "Close the application")
editCopyAction = self.createAction("&Copy", self.editCopy,
QKeySequence.Copy, "editcopy",
"Copy text to the clipboard")
editCutAction = self.createAction("Cu&t", self.editCut,
QKeySequence.Cut, "editcut",
"Cut text to the clipboard")
editPasteAction = self.createAction("&Paste", self.editPaste,
QKeySequence.Paste, "editpaste",
"Paste in the clipboard's text")
self.windowNextAction = self.createAction("&Next",
self.mdi.activateNextSubWindow, QKeySequence.NextChild)
self.windowPrevAction = self.createAction("&Previous",
self.mdi.activatePreviousSubWindow,
QKeySequence.PreviousChild)
self.windowCascadeAction = self.createAction("Casca&de",
self.mdi.cascadeSubWindows)
self.windowTileAction = self.createAction("&Tile",
self.mdi.tileSubWindows)
self.windowRestoreAction = self.createAction("&Restore All",
self.windowRestoreAll)
self.windowMinimizeAction = self.createAction("&Iconize All",
self.windowMinimizeAll)
#self.windowArrangeIconsAction = self.createAction(
# "&Arrange Icons", self.mdi.arrangeIcons)
self.windowArrangeIconsAction = self.createAction(
"&Arrange Icons", self.windowMinimizeAll)
self.windowCloseAction = self.createAction("&Close",
self.mdi.closeActiveSubWindow, QKeySequence.Close)
self.windowMapper = QSignalMapper(self)
self.windowMapper.mapped[QWidget].connect(self.mdi.setActiveSubWindow)
fileMenu = self.menuBar().addMenu("&File")
self.addActions(fileMenu, (fileNewAction, fileOpenAction,
fileSaveAction, fileSaveAsAction, fileSaveAllAction,
None, fileQuitAction))
editMenu = self.menuBar().addMenu("&Edit")
self.addActions(editMenu, (editCopyAction, editCutAction,
editPasteAction))
self.windowMenu = self.menuBar().addMenu("&Window")
self.windowMenu.aboutToShow.connect(self.updateWindowMenu)
fileToolbar = self.addToolBar("File")
fileToolbar.setObjectName("FileToolbar")
self.addActions(fileToolbar, (fileNewAction, fileOpenAction,
fileSaveAction))
editToolbar = self.addToolBar("Edit")
editToolbar.setObjectName("EditToolbar")
self.addActions(editToolbar, (editCopyAction, editCutAction,
editPasteAction))
settings = QSettings()
if settings.value("MainWindow/Geometry") or settings.value("MainWindow/State"):
self.restoreGeometry(
QByteArray(settings.value("MainWindow/Geometry")))
self.restoreState(
QByteArray(settings.value("MainWindow/State")))
status = self.statusBar()
status.setSizeGripEnabled(False)
status.showMessage("Ready", 5000)
self.updateWindowMenu()
self.setWindowTitle("Text Editor")
QTimer.singleShot(0, self.loadFiles)
def createAction(self, text, slot=None, shortcut=None, icon=None,
tip=None, checkable=False, signal="triggered()"):
action = QAction(text, self)
if icon is not None:
action.setIcon(QIcon(":/{0}.png".format(icon)))
if shortcut is not None:
action.setShortcut(shortcut)
if tip is not None:
action.setToolTip(tip)
action.setStatusTip(tip)
if slot is not None:
action.triggered.connect(slot)
if checkable:
action.setCheckable(True)
return action
def addActions(self, target, actions):
for action in actions:
if action is None:
target.addSeparator()
else:
target.addAction(action)
def closeEvent(self, event):
failures = []
for textEdit in self.mdi.subWindowList():
textEdit=textEdit.widget()
if textEdit.isModified():
try:
textEdit.save()
except IOError as e:
failures.append(str(e))
if (failures and
QMessageBox.warning(self, "Text Editor -- Save Error",
"Failed to save{0}\nQuit anyway?".format(
"\n\t".join(failures)),
QMessageBox.Yes|QMessageBox.No) ==
QMessageBox.No):
event.ignore()
return
settings = QSettings()
settings.setValue("MainWindow/Geometry",
self.saveGeometry())
settings.setValue("MainWindow/State",
self.saveState())
files = []
for textEdit in self.mdi.subWindowList():
textEdit=textEdit.widget()
if not textEdit.filename.startswith("Unnamed"):
files.append(textEdit.filename)
settings.setValue("CurrentFiles", files)
self.mdi.closeAllSubWindows()
def loadFiles(self):
if len(sys.argv) > 1:
for filename in sys.argv[1:31]: # Load at most 30 files
filename = filename
if QFileInfo(filename).isFile():
self.loadFile(filename)
QApplication.processEvents()
else:
settings = QSettings()
#files = settings.value("CurrentFiles").toStringList()
if settings.value("CurrentFiles"):
files=settings.value("CurrentFiles")
for filename in files:
filename = filename
if QFile.exists(filename):
self.loadFile(filename)
QApplication.processEvents()
def fileNew(self):
#textEdit = textedit.TextEdit()
#self.mdi.addSubWindow(textEdit)
#textEdit.show()
# app = QApplication(sys.argv)
gwidget_graph = QGraphicsView(None)
gwidget_graph.setGeometry(40, 40, 800, 800)
gwidget_graph.setStyleSheet("background-color: white")
scene = Graphmodel(None, 100, 100, 800, 800)
gwidget_graph.setScene(scene) # Graphm
#vlayout.addWidget(gwidget_graph)
#gwidget = Graphmodel(None)
#gwidget.setGeometry(10, 20, 800, 400)
#self.mdi.addSubWindow(gwidget)
self.mdi.addSubWindow(gwidget_graph)
#gwidget.create_block(10, 10, 60, 60)
#gwidget.show()
#sys.exit(app.exec_())
def fileOpen(self):
filename,filetype = QFileDialog.getOpenFileName(self,
"Text Editor -- Open File")
if filename:
for textEdit_MSW in self.mdi.subWindowList():
textEdit=textEdit_MSW.widget()
if textEdit.filename == filename:
self.mdi.setActiveSubWindow(textEdit_MSW)
break
else:
self.loadFile(filename)
def loadFile(self, filename):
textEdit = textedit.TextEdit(filename)
try:
textEdit.load()
except EnvironmentError as e:
QMessageBox.warning(self, "Text Editor -- Load Error",
"Failed to load {0}: {1}".format(filename, e))
textEdit.close()
del textEdit
else:
self.mdi.addSubWindow(textEdit)
textEdit.show()
def fileSave(self):
textEdit = self.mdi.activeSubWindow()
textEdit=textEdit.widget()
if textEdit is None or not isinstance(textEdit, QTextEdit):
return True
try:
textEdit.save()
return True
except EnvironmentError as e:
QMessageBox.warning(self, "Text Editor -- Save Error",
"Failed to save {0}: {1}".format(textEdit.filename, e))
return False
def fileSaveAs(self):
textEdit = self.mdi.activeSubWindow()
textEdit=textEdit.widget()
if textEdit is None or not isinstance(textEdit, QTextEdit):
return
filename,filetype = QFileDialog.getSaveFileName(self,
"Text Editor -- Save File As",
textEdit.filename, "Text files (*.txt *.*)")
if filename:
textEdit.filename = filename
return self.fileSave()
return True
def fileSaveAll(self):
errors = []
for textEdit in self.mdi.subWindowList():
textEdit=textEdit.widget()
if textEdit.isModified():
try:
textEdit.save()
except EnvironmentError as e:
errors.append("{0}: {1}".format(textEdit.filename, e))
if errors:
QMessageBox.warning(self,
"Text Editor -- Save All Error",
"Failed to save\n{0}".format("\n".join(errors)))
def editCopy(self):
textEdit = self.mdi.activeSubWindow()
textEdit=textEdit.widget()
if textEdit is None or not isinstance(textEdit, QTextEdit):
return
cursor = textEdit.textCursor()
text = cursor.selectedText()
if text:
clipboard = QApplication.clipboard()
clipboard.setText(text)
def editCut(self):
textEdit = self.mdi.activeSubWindow()
textEdit=textEdit.widget()
if textEdit is None or not isinstance(textEdit, QTextEdit):
return
cursor = textEdit.textCursor()
text = cursor.selectedText()
if text:
cursor.removeSelectedText()
clipboard = QApplication.clipboard()
clipboard.setText(text)
def editPaste(self):
textEdit = self.mdi.activeSubWindow()
textEdit=textEdit.widget()
if textEdit is None or not isinstance(textEdit, QTextEdit):
return
clipboard = QApplication.clipboard()
textEdit.insertPlainText(clipboard.text())
def windowRestoreAll(self):
for textEdit in self.mdi.subWindowList():
textEdit=textEdit.widget()
textEdit.showNormal()
def windowMinimizeAll(self):
for textEdit in self.mdi.subWindowList():
textEdit=textEdit.widget()
textEdit.showMinimized()
def updateWindowMenu(self):
self.windowMenu.clear()
self.addActions(self.windowMenu, (self.windowNextAction,
self.windowPrevAction, self.windowCascadeAction,
self.windowTileAction, self.windowRestoreAction,
self.windowMinimizeAction,
self.windowArrangeIconsAction, None,
self.windowCloseAction))
textEdits = self.mdi.subWindowList()
if not textEdits:
return
self.windowMenu.addSeparator()
i = 1
menu = self.windowMenu
for textEdit_MSW in textEdits:
textEdit=textEdit_MSW.widget()
title = textEdit.windowTitle()
if i == 10:
self.windowMenu.addSeparator()
menu = menu.addMenu("&More")
accel = ""
if i < 10:
accel = "&{0} ".format(i)
elif i < 36:
accel = "&{0} ".format(chr(i + ord("@") - 9))
action = menu.addAction("{0}{1}".format(accel, title))
self.windowMapper.setMapping(action, textEdit_MSW)
action.triggered.connect(self.windowMapper.map)
i += 1
if __name__ == "__main__":
app = QApplication(sys.argv)
app.setWindowIcon(QIcon(":/icon.png"))
app.setOrganizationName("Qtrac Ltd.")
app.setOrganizationDomain("qtrac.eu")
app.setApplicationName("Text Editor")
form = MainWindow()
form.show()
app.exec_()