def __init__(self, filename, parent=None):
self.parent = parent
QtGui.QTextEdit.__init__(self, parent)
self.setObjectName(' - '.join(['Editor', filename]))
font = QtGui.QFont()
font.setFamily("Fixed".decode("utf-8"))
font.setPointSize(12)
self.setFont(font)
self.setLineWrapMode(QtGui.QTextEdit.NoWrap)
self.setTabStopWidth(25)
self.setAcceptRichText(False)
self.setCursorWidth(2)
self.setFontFamily("courier new")
self.setProperty("backgroundVisible", True)
self.regexp_list = [QtCore.QRegExp("\\binclude\\b"), QtCore.QRegExp("\\btextfile\\b"),
QtCore.QRegExp("\\bfile\\b"), QtCore.QRegExp("\\bvalue=.*pkg:\/\/\\b"),
QtCore.QRegExp("\\bvalue=.*package:\/\/\\b"),
QtCore.QRegExp("\\bvalue=.*\$\(find\\b")]
self.filename = filename
self.file_info = None
if self.filename:
f = QtCore.QFile(filename);
if f.open(QtCore.QIODevice.ReadOnly | QtCore.QIODevice.Text):
self.file_info = QtCore.QFileInfo(filename)
self.setText(unicode(f.readAll(), "utf-8"))
self.path = '.'
# enables drop events
self.setAcceptDrops(True)
def mouseReleaseEvent(self, event):
'''
Opens the new editor, if the user clicked on the included file and sets the
default cursor.
'''
if event.modifiers() == QtCore.Qt.ControlModifier or event.modifiers() == QtCore.Qt.ShiftModifier:
cursor = self.cursorForPosition(event.pos())
index = self.index(cursor.block().text())
if index > -1:
startIndex = cursor.block().text().find('"', index)
if startIndex > -1:
endIndex = cursor.block().text().find('"', startIndex+1)
fileName = cursor.block().text()[startIndex+1:endIndex]
if len(fileName) > 0:
try:
f = QtCore.QFile(self.interpretPath(fileName))
if not f.exists():
# create a new file, if it does not exists
result = QtGui.QMessageBox.question(self, "File not found", '\n\n'.join(["Create a new file?", f.fileName()]), QtGui.QMessageBox.Yes | QtGui.QMessageBox.No)
if result == QtGui.QMessageBox.Yes:
d = os.path.dirname(f.fileName())
if not os.path.exists(dir):
os.makedirs(d)
with open(f.fileName(),'w') as f:
if f.fileName().endswith('.launch'):
f.write('<launch>\n\n</launch>')
self.load_request_signal.emit(f.fileName())
else:
self.load_request_signal.emit(f.fileName())
except Exception, e:
WarningMessageBox(QtGui.QMessageBox.Warning, "File not found", fileName, str(e)).exec_()
def includedFiles(self):
'''
Returns all included files in the document.
'''
result = []
b = self.document().begin()
while b != self.document().end():
text = b.text()
index = self.index(text)
if index > -1:
startIndex = text.find('"', index)
if startIndex > -1:
endIndex = text.find('"', startIndex+1)
fileName = text[startIndex+1:endIndex]
if len(fileName) > 0:
try:
path = self.interpretPath(fileName)
f = QtCore.QFile(path)
ext = os.path.splitext(path)
if f.exists() and ext[1] in nm.settings().SEARCH_IN_EXT:
result.append(path)
except:
import traceback
print traceback.format_exc()
b = b.next()
return result
def focusInEvent(self, event):
# check for file changes
try:
if self.filename and self.file_info:
if self.file_info.lastModified() != QtCore.QFileInfo(self.filename).lastModified():
self.file_info = QtCore.QFileInfo(self.filename)
result = QtGui.QMessageBox.question(self, "File changed", "File was changed, reload?", QtGui.QMessageBox.Yes | QtGui.QMessageBox.No)
if result == QtGui.QMessageBox.Yes:
f = QtCore.QFile(self.filename);
if f.open(QtCore.QIODevice.ReadOnly | QtCore.QIODevice.Text):
self.setText(unicode(f.readAll(), "utf-8"))
self.document().setModified(False)
self.textChanged.emit()
else:
QtGui.QMessageBox.critical(self, "Error", "Cannot open launch file%s"%self.filename)
except:
pass
QtGui.QTextEdit.focusInEvent(self, event)
def save(self, force=False):
'''
Saves changes to the file.
:return: saved, errors, msg
:rtype: bool, bool, str
'''
if force or self.document().isModified() or not QtCore.QFileInfo(self.filename).exists():
f = QtCore.QFile(self.filename)
if f.open(QtCore.QIODevice.WriteOnly | QtCore.QIODevice.Text):
f.write(self.toPlainText().encode('utf-8'))
self.document().setModified(False)
self.file_info = QtCore.QFileInfo(self.filename)
ext = os.path.splitext(self.filename)
# validate the xml structure of the launch files
if ext[1] in self.CONTEXT_FILE_EXT:
imported = False
try:
from lxml import etree
imported = True
parser = etree.XMLParser()
etree.fromstring(self.toPlainText().encode('utf-8'), parser)
except Exception as e:
if imported:
self.markLine(e.position[0])
return True, True, "%s"%e
# validate the yaml structure of yaml files
elif ext[1] in self.YAML_VALIDATION_FILES:
try:
import yaml
yaml.load(self.toPlainText().encode('utf-8'))
except yaml.MarkedYAMLError as e:
return True, True, "%s"%e
return True, False, ''
else:
return False, True, "Cannot write XML file"
return False, False, ''
