def data(self, index, role):
if role != Qt.DisplayRole and role != Qt.FontRole:
return None
val = self.getData(index.row(), index.column())
if role == Qt.FontRole: # draw NULL in italic
if val is not None:
return None
f = QFont()
f.setItalic(True)
return f
if val is None:
return "NULL"
elif isinstance(val, buffer):
# hide binary data
return None
elif isinstance(val, (str, unicode)) and len(val) > 300:
# too much data to display, elide the string
val = val[:300]
try:
return unicode(val) # convert to unicode
except UnicodeDecodeError:
return unicode(
val, 'utf-8',
'replace') # convert from utf8 and replace errors (if any)
def data(self, index, role):
if role != Qt.DisplayRole and role != Qt.FontRole:
return None
val = self.getData(index.row(), index.column())
if role == Qt.FontRole: # draw NULL in italic
if val is not None:
return None
f = QFont()
f.setItalic(True)
return f
if val is None:
return "NULL"
elif isinstance(val, buffer):
# hide binary data
return None
elif isinstance(val, (str, unicode)) and len(val) > 300:
# too much data to display, elide the string
val = val[:300]
try:
return unicode(val) # convert to unicode
except UnicodeDecodeError:
return unicode(val, 'utf-8', 'replace') # convert from utf8 and replace errors (if any)
class ScriptEdit(QsciScintilla):
LEXER_PYTHON = 0
LEXER_R = 1
def __init__(self, parent=None):
QsciScintilla.__init__(self, parent)
self.lexer = None
self.api = None
self.lexerType = -1
self.setCommonOptions()
self.initShortcuts()
def setCommonOptions(self):
# Enable non-ASCII characters
self.setUtf8(True)
# Default font
font = QFont()
font.setFamily('Courier')
font.setFixedPitch(True)
font.setPointSize(20)
self.setFont(font)
self.setMarginsFont(font)
self.initLexer()
self.setBraceMatching(QsciScintilla.SloppyBraceMatch)
self.setWrapMode(QsciScintilla.WrapWord)
self.setWrapVisualFlags(QsciScintilla.WrapFlagByText,
QsciScintilla.WrapFlagNone, 4)
self.setSelectionForegroundColor(QColor('#2e3436'))
self.setSelectionBackgroundColor(QColor('#babdb6'))
# Show line numbers
self.setMarginWidth(1, '000')
self.setMarginLineNumbers(1, True)
self.setMarginsForegroundColor(QColor('#2e3436'))
self.setMarginsBackgroundColor(QColor('#babdb6'))
# Highlight current line
self.setCaretLineVisible(True)
self.setCaretLineBackgroundColor(QColor('#d3d7cf'))
# Folding
self.setFolding(QsciScintilla.BoxedTreeFoldStyle)
self.setFoldMarginColors(QColor('#d3d7cf'), QColor('#d3d7cf'))
# Mark column 80 with vertical line
self.setEdgeMode(QsciScintilla.EdgeLine)
self.setEdgeColumn(80)
self.setEdgeColor(QColor('#eeeeec'))
# Indentation
self.setAutoIndent(True)
self.setIndentationsUseTabs(False)
self.setIndentationWidth(4)
self.setTabIndents(True)
self.setBackspaceUnindents(True)
self.setTabWidth(4)
# Autocomletion
self.setAutoCompletionThreshold(2)
self.setAutoCompletionSource(QsciScintilla.AcsAPIs)
self.setFonts(10)
def setFonts(self, size):
# Load font from Python console settings
settings = QSettings()
fontName = settings.value('pythonConsole/fontfamilytext', 'Monospace')
fontSize = int(settings.value('pythonConsole/fontsize', size))
self.defaultFont = QFont(fontName)
self.defaultFont.setFixedPitch(True)
self.defaultFont.setPointSize(fontSize)
self.defaultFont.setStyleHint(QFont.TypeWriter)
self.defaultFont.setStretch(QFont.SemiCondensed)
self.defaultFont.setLetterSpacing(QFont.PercentageSpacing, 87.0)
self.defaultFont.setBold(False)
self.boldFont = QFont(self.defaultFont)
self.boldFont.setBold(True)
self.italicFont = QFont(self.defaultFont)
self.italicFont.setItalic(True)
self.setFont(self.defaultFont)
self.setMarginsFont(self.defaultFont)
def initShortcuts(self):
(ctrl, shift) = (self.SCMOD_CTRL << 16, self.SCMOD_SHIFT << 16)
# Disable some shortcuts
self.SendScintilla(QsciScintilla.SCI_CLEARCMDKEY, ord('D') + ctrl)
self.SendScintilla(QsciScintilla.SCI_CLEARCMDKEY, ord('L') + ctrl)
self.SendScintilla(QsciScintilla.SCI_CLEARCMDKEY,
ord('L') + ctrl + shift)
self.SendScintilla(QsciScintilla.SCI_CLEARCMDKEY, ord('T') + ctrl)
#self.SendScintilla(QsciScintilla.SCI_CLEARCMDKEY, ord("Z") + ctrl)
#self.SendScintilla(QsciScintilla.SCI_CLEARCMDKEY, ord("Y") + ctrl)
# Use Ctrl+Space for autocompletion
self.shortcutAutocomplete = QShortcut(
QKeySequence(Qt.CTRL + Qt.Key_Space), self)
self.shortcutAutocomplete.setContext(Qt.WidgetShortcut)
self.shortcutAutocomplete.activated.connect(self.autoComplete)
def autoComplete(self):
self.autoCompleteFromAll()
def setLexerType(self, lexerType):
self.lexerType = lexerType
self.initLexer()
def initLexer(self):
if self.lexerType == self.LEXER_PYTHON:
self.lexer = QsciLexerPython()
colorDefault = QColor('#2e3436')
colorComment = QColor('#c00')
colorCommentBlock = QColor('#3465a4')
colorNumber = QColor('#4e9a06')
colorType = QColor('#4e9a06')
colorKeyword = QColor('#204a87')
colorString = QColor('#ce5c00')
self.lexer.setDefaultFont(self.defaultFont)
self.lexer.setDefaultColor(colorDefault)
self.lexer.setColor(colorComment, 1)
self.lexer.setColor(colorNumber, 2)
self.lexer.setColor(colorString, 3)
self.lexer.setColor(colorString, 4)
self.lexer.setColor(colorKeyword, 5)
self.lexer.setColor(colorString, 6)
self.lexer.setColor(colorString, 7)
self.lexer.setColor(colorType, 8)
self.lexer.setColor(colorCommentBlock, 12)
self.lexer.setColor(colorString, 15)
self.lexer.setFont(self.italicFont, 1)
self.lexer.setFont(self.boldFont, 5)
self.lexer.setFont(self.boldFont, 8)
self.lexer.setFont(self.italicFont, 12)
self.api = QsciAPIs(self.lexer)
settings = QSettings()
useDefaultAPI = bool(
settings.value('pythonConsole/preloadAPI', True))
if useDefaultAPI:
# Load QGIS API shipped with Python console
self.api.loadPrepared(
os.path.join(QgsApplication.pkgDataPath(), 'python',
'qsci_apis', 'pyqgis.pap'))
else:
# Load user-defined API files
apiPaths = settings.value('pythonConsole/userAPI', [])
for path in apiPaths:
self.api.load(path)
self.api.prepare()
self.lexer.setAPIs(self.api)
elif self.lexerType == self.LEXER_R:
# R lexer
self.lexer = LexerR()
self.setLexer(self.lexer)
