Kuttans: Merge Rahul's changes and other fixes by Rajeesh

1 files changed, 209 insertions, 36 deletions

diff --git a/pykuttans/src/kuttans_main.py b/pykuttans/src/kuttans_main.py
index 8019ba5..496339c 100644
--- a/pykuttans/src/kuttans_main.py
+++ b/pykuttans/src/kuttans_main.py
@@ -1,7 +1,8 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 #
-# Copyright (c) 2009 Rajeesh K Nambiar <rajeeshknambiar@gmail.com>
+# Copyright (c) 2009 Rajeesh K Nambiar <rajeeshknambiar@gmail.com>,
+# 					 Rahul <rahulrs@gmx.com>
 #
 # This program is free software you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -66,10 +67,11 @@ class StartKuttans(QtGui.QMainWindow):
 		
 		self.connect(Ui.textEdit, QtCore.SIGNAL("copyAvailable(bool)"), Ui.actionCut, QtCore.SLOT("setEnabled(bool)"))	#ഉപയോക്താവ് ഏതെങ്കിലും പാഠഭാഗം തിരഞ്ഞെടുത്തെങ്കില്‍ മാത്രം...
 		self.connect(Ui.textEdit, QtCore.SIGNAL("copyAvailable(bool)"), Ui.actionCopy, QtCore.SLOT("setEnabled(bool)"))	#'cut', 'copy' എന്നിവ സജ്ജീവമാക്കുക
-		self.connect(Ui.actionOpen, QtCore.SIGNAL("triggered()"), self.openFile)				#രേഖ തുറക്കാനുള്ള ആജ്ഞ open() എന്ന പ്രവൃത്തിയുമായി ബന്ധിപ്പിക്കുക
+		self.connect(Ui.actionOpen, QtCore.SIGNAL("triggered()"), self.openFile)	#രേഖ തുറക്കാനുള്ള ആജ്ഞ open() എന്ന പ്രവൃത്തിയുമായി ബന്ധിപ്പിക്കുക
 		self.connect(Ui.actionSave, QtCore.SIGNAL("triggered()"), self.saveFile)
 		self.connect(Ui.actionSaveAs, QtCore.SIGNAL("triggered()"), self.saveFileAs)
 		self.connect(Ui.actionAbout, QtCore.SIGNAL("triggered()"), self.About)
+		self.connect(Ui.actionClose, QtCore.SIGNAL("triggered()"), self, QtCore.SLOT("close()"))
 		
 		self.connect(Ui.actionNew, QtCore.SIGNAL("triggered()"), self.newFile)
 		self.connect(Ui.actionExportPDF, QtCore.SIGNAL("triggered()"), self.filePrintPDF)
@@ -87,6 +89,10 @@ class StartKuttans(QtGui.QMainWindow):
 		self.connect(Ui.actionIndulekha_u2a, QtCore.SIGNAL("triggered()"), self.Indulekha_u2a)
 		self.connect(Ui.actionKarthika_u2a, QtCore.SIGNAL("triggered()"), self.Karthika_u2a)
 		self.connect(Ui.actionSelectFontMap_u2a, QtCore.SIGNAL("triggered()"), self.customMap_u2a)
+		
+		self.readSettings()
+		self.setCurrentFile(self.tr("untitled.txt"))
+		self.x = 1
 	
 	def textSize(self, qString):
 		fmt = QtGui.QTextCharFormat()
@@ -94,7 +100,6 @@ class StartKuttans(QtGui.QMainWindow):
      		self.mergeFormatOnWordOrSelection(fmt)
 		
 	def textFamily(self, qString):
-		print "In textFamily"
 		fmt = QtGui.QTextCharFormat()
 		fmt.setFontFamily(qString);
 		self.mergeFormatOnWordOrSelection(fmt)
@@ -113,69 +118,211 @@ class StartKuttans(QtGui.QMainWindow):
 		return QtCore.QFileInfo(fullname).fileName()
 		
 	def openFile(self):
-		fName = QtGui.QFileDialog.getOpenFileName()
+		fName = QtGui.QFileDialog.getOpenFileName(self, self.tr("Select Input file"),"", "*.txt *.pdf")
+		self.curFile = str(fName)
+		path, extn = os.path.splitext(self.curFile)
 		if os.path.isfile(fName):
-			self.ui.textEdit.setPlainText(codecs.open(fName, 'r', 'utf-8').read())
-			self.ui.statusbar.showMessage("File " + self.strippedFileName(fName) + " Opened", 2000) #/൨൦൦൦ മില്ലി സെക്കന്റ് നേരം സ്റ്റാറ്റസ് ബാറില്‍ പ്രദര്‍ശിപ്പിക്കുക
-			self.InputFile = str(fName)
+			if extn == ".txt":
+				QApplication.setOverrideCursor(Qt.WaitCursor)
+				self.ui.textEdit.setPlainText(codecs.open(fName, 'r', 'utf-8').read())
+				QApplication.restoreOverrideCursor()
+				self.setCurrentFile(fName)
+				self.ui.statusbar.showMessage("File " + self.strippedFileName(fName) + " Opened", 2000) #/൨൦൦൦ മില്ലി സെക്കന്റ് നേരം സ്റ്റാറ്റസ് ബാറില്‍ പ്രദര്‍ശിപ്പിക്കുക
+				self.InputFile = str(fName)
+				self.x = 0
+			if extn == ".pdf":
+				print "Need to implement displaying PDF file, with QtPoppler"
 			
-	def saveFile(self):
-		pass
+	def save(self):
+		if self.x==1:
+			return self.saveFileAs()
+		if self.curFile.isEmpty():
+			return self.saveFileAs()
+		else:
+		  return self.saveFile(self.curFile)
+			
+	def saveFile(self,fileName):
+		QApplication.setOverrideCursor(Qt.WaitCursor)	  
+		s = codecs.open(fileName,'w','utf-8')
+		s.write(unicode(self.ui.textEdit.toPlainText()))
+		s.close()
+		QApplication.restoreOverrideCursor()
+		self.setCurrentFile(fileName)
+		self.ui.statusbar.showMessage(self.tr("File ") + self.strippedFileName(fileName) + self.tr(" Saved"), 2000)
 	
 	def saveFileAs(self):
-		pass
+		fileName = QtGui.QFileDialog.getSaveFileName()
+		if (fileName.isEmpty() != 0):
+			return False
+		else:
+			self.x = 0
+			return self.saveFile(fileName)
+			
+	def maybeSave(self):
+		if self.ui.textEdit.document().isModified():
+			ret = QtGui.QMessageBox.warning(self, self.tr("Warning"),
+                        self.tr("<h4 align=\"center\">The document has been modified.\n"
+                                "<h4 align=\"center\">Do you want to save your changes?"),
+                        QtGui.QMessageBox.Yes | QtGui.QMessageBox.Default,
+                        QtGui.QMessageBox.No,
+                        QtGui.QMessageBox.Cancel | QtGui.QMessageBox.Escape)
+			if ret == QtGui.QMessageBox.Yes:
+				return self.save()
+			elif ret == QtGui.QMessageBox.Cancel:
+				return False
+		return True	
+		
+	def setCurrentFile(self, fileName):
+		self.curFile = fileName
+		self.ui.textEdit.document().setModified(False)
+		self.setWindowModified(False)
+		if self.curFile.isEmpty():
+		  shownName = self.tr("untitled.txt")
+		else:
+			shownName = self.strippedFileName(self.curFile)
+			self.setWindowTitle(self.tr("%1[*] - %2").arg(shownName).arg(self.tr("Kuttans")))
 		
 	def About(self):
-		pass
+		QtGui.QMessageBox.about(self, self.tr("About Kuttans"),
+            self.tr("<h1 align=\"center\">Kuttans 0.1<p><h4 align=\"center\">A GUI frontend for Payyans<p><h4 align=\"center\"><a href=\"www.smc.org.in\">Swathanthra Malayalam Computing</a>"))
 		
 	def newFile(self):
-		pass
+		if self.maybeSave():
+			self.ui.textEdit.clear()
+			self.setCurrentFile(QtCore.QString())
 		
 	def filePrintPDF(self):
-		pass
+		document = self.ui.textEdit.document()
+		printer = QtGui.QPrinter(QPrinter.HighResolution)
+		fileName = QFileDialog.getSaveFileName()
+		if (fileName.isEmpty()):
+			return
+		else:
+			if (QFileInfo(fileName).suffix().isEmpty()):
+				fileName.append(".pdf")
+			printer.setOutputFormat(QPrinter.PdfFormat)
+			printer.setOutputFileName(fileName)
+			document.print_(printer)
 		
 	def filePrint(self):
-		pass
+		document = self.ui.textEdit.document()
+		printer = QtGui.QPrinter()
+		dialog = QtGui.QPrintDialog(printer, self)
+		dialog.setWindowTitle(self.tr("Print Document"))
+		if dialog.exec_() != QtGui.QDialog.Accepted:
+			return
+		document.print_(printer)
 		
 	def filePrintPreview(self):
-		pass
+		printer = QtGui.QPrinter()
+		preview = QtGui.QPrintPreviewDialog(printer)
+		def render():
+			doc = self.ui.textEdit.document()
+			doc.print_(printer)
+		preview.connect(preview, QtCore.SIGNAL('paintRequested(QPrinter*)'), render)
+		preview.exec_()
 		
 	def documentWasModified(self):
-		pass
+		self.setWindowModified(self.ui.textEdit.document().isModified())
 		
 	def Revathi_a2u(self):
+		if self.InputFile == None:
+			QtGui.QMessageBox.about(self, self.tr("Message"),
+            self.tr("<h3 align=\"center\">No file selected<p><h4 align=\"center\">Open or enter the document to convert"))
+			return
 		self.OutputFile  = self.directoryName(self.InputFile) + "/unicode-" + self.strippedFileName(self.InputFile)
-		self.ui.statusbar.showMessage("Converting... Please wait")
+		self.ui.statusbar.showMessage(self.tr("Converting... Please wait"))
 		if self.ConvertFiles("revathi.map", "a2u") == 0:
-			self.ui.statusbar.showMessage("Converted successfully!")
+			self.ui.statusbar.showMessage(self.tr("Converted successfully!"), 2000)
 		else:
-			self.ui.statusbar.showMessage("Conversion failed!")
+			self.ui.statusbar.showMessage(self.tr("Conversion failed!"), 2000)
 				
 	def Revathi_u2a(self):
+		if self.InputFile == None:
+			QtGui.QMessageBox.about(self, self.tr("Message"),
+            self.tr("<h3 align=\"center\">No file selected<p><h4 align=\"center\">Open or enter the document to convert"))
+			return
 		self.OutputFile  = self.directoryName(self.InputFile) + "/ascii-" + self.strippedFileName(self.InputFile)
-		self.ui.statusbar.showMessage("Converting... Please wait")
+		self.ui.statusbar.showMessage(self.tr("Converting... Please wait"))
 		if self.ConvertFiles("revathi.map", "u2a") == 0:
-			self.ui.statusbar.showMessage("Converted successfully!")
+			self.ui.statusbar.showMessage(self.tr("Converted successfully!"), 2000)
 		else:
-			self.ui.statusbar.showMessage("Conversion failed!")
-		
-	def Indulekha_a2u(self, direction):
-		pass
+			self.ui.statusbar.showMessage(self.tr("Conversion failed!"), 2000)
 		
-	def Indulekha_u2a(self, direction):
-		pass
+	def Indulekha_a2u(self):
+		if self.InputFile == None:
+			QtGui.QMessageBox.about(self, self.tr("Message"),
+            self.tr("<h3 align=\"center\">No file selected<p><h4 align=\"center\">Open or enter the document to convert"))
+			return
+		self.OutputFile  = self.directoryName(self.InputFile) + "/unicode-" + self.strippedFileName(self.InputFile)
+		self.ui.statusbar.showMessage(self.tr("Converting... Please wait"))
+		if self.ConvertFiles("indulekha.map", "a2u") == 0:
+			self.ui.statusbar.showMessage(self.tr("Converted successfully!"), 2000)
+		else:
+			self.ui.statusbar.showMessage(self.tr("Conversion failed!", 2000))
 		
-	def Karthika_a2u(self, direction):
-		pass
+	def Indulekha_u2a(self):
+		if self.InputFile == None:
+			QtGui.QMessageBox.about(self, self.tr("Message"),
+            self.tr("<h3 align=\"center\">No file selected<p><h4 align=\"center\">Open or enter the document to convert"))
+			return
+		self.OutputFile  = self.directoryName(self.InputFile) + "/ascii-" + self.strippedFileName(self.InputFile)
+		self.ui.statusbar.showMessage(self.tr("Converting... Please wait"))
+		if self.ConvertFiles("indulekha.map", "u2a") == 0:
+			self.ui.statusbar.showMessage(self.tr("Converted successfully!"), 2000)
+		else:
+			self.ui.statusbar.showMessage(self.tr("Conversion failed!"), 2000)
+
+	def Karthika_a2u(self):
+		if self.InputFile == None:
+			QtGui.QMessageBox.about(self, self.tr("Message"),
+            self.tr("<h3 align=\"center\">No file selected<p><h4 align=\"center\">Open or enter the document to convert"))
+			return
+		self.OutputFile  = self.directoryName(self.InputFile) + "/unicode-" + self.strippedFileName(self.InputFile)
+		self.ui.statusbar.showMessage(self.tr("Converting... Please wait"))
+		if self.ConvertFiles("karthika.map", "a2u") == 0:
+			self.ui.statusbar.showMessage(self.tr("Converted successfully!"), 2000)
+		else:
+			self.ui.statusbar.showMessage(self.tr("Conversion failed!"), 2000)
 		
-	def Karthika_u2a(self, direction):
-		pass
+	def Karthika_u2a(self):
+		if self.InputFile == None:
+			QtGui.QMessageBox.about(self, self.tr("Message"),
+            self.tr("<h3 align=\"center\">No file selected<p><h4 align=\"center\">Open or enter the document to convert"))
+			return
+		self.OutputFile  = self.directoryName(self.InputFile) + "/ascii-" + self.strippedFileName(self.InputFile)
+		self.ui.statusbar.showMessage(self.tr("Converting... Please wait"))
+		if self.ConvertFiles("karthika.map", "u2a") == 0:
+			self.ui.statusbar.showMessage(self.tr("Converted successfully!"), 2000)
+		else:
+			self.ui.statusbar.showMessage(self.tr("Conversion failed!"), 2000)	
 		
-	def customMap_a2u(self, direction):
-		pass
+	def customMap_a2u(self):
+		if self.InputFile == None:
+			QtGui.QMessageBox.about(self, self.tr("Message"),
+            self.tr("<h3 align=\"center\">No file selected<p><h4 align=\"center\">Open or enter the document to convert"))
+			return
+		#fileName = QFileDialog.getOpenFileName(, self.tr("Select the fontmap file"), QDir.homePath (), self.tr("Font Maps (*.map);;All Files (*)"))
+		fileName = QFileDialog.getOpenFileName()
+		self.OutputFile  = self.directoryName(self.InputFile) + "/unicode-" + self.strippedFileName(self.InputFile)
+		self.ui.statusbar.showMessage(self.tr("Converting... Please wait"))
+		if self.ConvertFilesCustom(fileName, "a2u") == 0:
+			self.ui.statusbar.showMessage(self.tr("Converted successfully!"), 2000)
+		else:
+			self.ui.statusbar.showMessage(self.tr("Conversion failed!"), 2000)
 		
-	def customMap_u2a(self, direction):
-		pass
+	def customMap_u2a(self):
+		if self.InputFile == None:
+			QtGui.QMessageBox.about(self, self.tr("Message"),
+            self.tr("<h3 align=\"center\">No file selected<p><h4 align=\"center\">Open or enter the document to convert"))
+			return
+		fileName = QFileDialog.getOpenFileName()
+		self.OutputFile  = self.directoryName(self.InputFile) + "/ascii-" + self.strippedFileName(self.InputFile)
+		self.ui.statusbar.showMessage(self.tr("Converting... Please wait"))
+		if self.ConvertFiles("karthika.map", "u2a") == 0:
+			self.ui.statusbar.showMessage(self.tr("Converted successfully!"), 2000)
+		else:
+			self.ui.statusbar.showMessage(self.tr("Conversion failed!"), 2000)
 		
 	def ConvertFiles(self, map_name, direction):
 		self.MappingFile = sys.prefix + "/share/payyans/maps/" + map_name
@@ -184,11 +331,37 @@ class StartKuttans(QtGui.QMainWindow):
 			return p.ascii2unicode()
 		elif direction == "u2a":
 			return p.unicode2ascii()
+			
+	def ConvertFilesCustom(self, map_name, direction):
+		self.MappingFile = map_name
+		p = Payyans(self.InputFile, self.OutputFile, self.MappingFile)
+		if direction == "a2u":
+			return p.ascii2unicode()
+		elif direction == "u2a":
+			return p.unicode2ascii()
 		
 	def asciiToUnicodePDF(self):
 		# poppler-qt4 can be made use of, to render PDF files
 		pass
-
+		
+	def closeEvent(self, event):
+		if self.maybeSave():
+			self.writeSettings()
+			event.accept()
+		else:
+			event.ignore()
+			
+	def writeSettings(self):
+		settings = QtCore.QSettings("SMC", "Kuttans")
+		settings.setValue("pos", QtCore.QVariant(self.pos()))
+		settings.setValue("size", QtCore.QVariant(self.size()))
+    
+	def readSettings(self):
+		settings = QtCore.QSettings("SMC", "Kuttans")
+		pos = settings.value("pos", QtCore.QVariant(QtCore.QPoint(200, 200))).toPoint()
+		size = settings.value("size", QtCore.QVariant(QtCore.QSize(400, 400))).toSize()
+		self.resize(size)
+		self.move(pos)
 
 if __name__ == "__main__":
 	app = QtGui.QApplication(sys.argv)