QGIS/python/plugins/processing/gui/ScriptEdit.py
2016-04-29 14:10:26 +02:00

214 lines
7.4 KiB
Python

# -*- coding: utf-8 -*-
"""
***************************************************************************
ScriptEdit.py
---------------------
Date : April 2013
Copyright : (C) 2013 by Alexander Bruy
Email : alexander dot bruy at gmail dot 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 *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************
"""
__author__ = 'Alexander Bruy'
__date__ = 'April 2013'
__copyright__ = '(C) 2013, Alexander Bruy'
# This will get replaced with a git SHA1 when you do a git archive
__revision__ = '$Format:%H$'
import os
from qgis.PyQt.QtCore import Qt, QSettings
from qgis.PyQt.QtGui import QFont, QColor, QKeySequence
from qgis.PyQt.QtWidgets import QShortcut
from qgis.core import QgsApplication
from qgis.PyQt.Qsci import QsciScintilla, QsciLexerPython, QsciAPIs
from processing.gui.LexerR import LexerR
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)