manuskript/manuskript/ui/views/textEditView.py
2016-02-06 08:38:33 +01:00

551 lines
20 KiB
Python

#!/usr/bin/env python
#--!-- coding: utf8 --!--
from qt import *
from enums import *
from ui.editors.t2tHighlighter import *
from ui.editors.t2tFunctions import *
from ui.editors.basicHighlighter import *
from ui.editors.textFormat import *
from models.outlineModel import *
from functions import *
import settings
import re
try:
import enchant
except ImportError:
enchant = None
class textEditView(QTextEdit):
def __init__(self, parent=None, index=None, html=None, spellcheck=True, highlighting=False, dict="", autoResize=False):
QTextEdit.__init__(self, parent)
self._column = Outline.text.value
self._index = None
self._indexes = None
self._model = None
self._placeholderText = self.placeholderText()
self._updating = False
self._item = None
self._highlighting = highlighting
self._textFormat = "text"
self.setAcceptRichText(False)
# When setting up a theme, this becomes true.
self._fromTheme = False
self.spellcheck = spellcheck
self.currentDict = dict if dict else settings.dict
self.highlighter = None
self.setAutoResize(autoResize)
self._defaultBlockFormat = QTextBlockFormat()
self._defaultCharFormat = QTextCharFormat()
self.highlightWord = ""
self.highligtCS = False
self.defaultFontPointSize = qApp.font().pointSize()
self._dict = None
#self.document().contentsChanged.connect(self.submit, AUC)
# Submit text changed only after 500ms without modifications
self.updateTimer = QTimer()
self.updateTimer.setInterval(500)
self.updateTimer.setSingleShot(True)
self.updateTimer.timeout.connect(self.submit)
#self.updateTimer.timeout.connect(lambda: print("Timeout"))
self.updateTimer.stop()
self.document().contentsChanged.connect(self.updateTimer.start, AUC)
#self.document().contentsChanged.connect(lambda: print("Document changed"))
#self.document().contentsChanged.connect(lambda: print(self.objectName(), "Contents changed"))
self.setEnabled(False)
if index:
self.setCurrentModelIndex(index)
elif html:
self.document().setHtml(html)
self.setReadOnly(True)
# Spellchecking
if enchant and self.spellcheck:
self._dict = enchant.Dict(self.currentDict if self.currentDict else enchant.get_default_language())
else:
self.spellcheck = False
if self._highlighting and not self.highlighter:
self.highlighter = basicHighlighter(self)
self.highlighter.setDefaultBlockFormat(self._defaultBlockFormat)
def setModel(self, model):
self._model = model
try:
self._model.dataChanged.connect(self.update, AUC)
except TypeError:
pass
try:
self._model.rowsAboutToBeRemoved.connect(self.rowsAboutToBeRemoved, AUC)
except TypeError:
pass
def setColumn(self, col):
self._column = col
def setHighlighting(self, val):
self._highlighting = val
def setDefaultBlockFormat(self, bf):
self._defaultBlockFormat = bf
if self.highlighter:
self.highlighter.setDefaultBlockFormat(bf)
def setCurrentModelIndex(self, index):
self._indexes = None
if index.isValid():
self.setEnabled(True)
if index.column() != self._column:
index = index.sibling(index.row(), self._column)
self._index = index
self.setPlaceholderText(self._placeholderText)
if not self._model:
self.setModel(index.model())
self.setupEditorForIndex(self._index)
self.loadFontSettings()
self.updateText()
else:
self._index = QModelIndex()
self.setPlainText("")
self.setEnabled(False)
def setCurrentModelIndexes(self, indexes):
self._index = None
self._indexes = []
for i in indexes:
if i.isValid():
self.setEnabled(True)
if i.column() != self._column:
i = i.sibling(i.row(), self._column)
self._indexes.append(i)
if not self._model:
self.setModel(i.model())
self.updateText()
def setupEditorForIndex(self, index):
# what type of text are we editing?
if type(index.model()) != outlineModel:
self._textFormat = "text"
return
if self._column not in [Outline.text.value, Outline.notes.value]:
self._textFormat = "text"
else:
item = index.internalPointer()
if item.isHTML():
self._textFormat = "html"
elif item.isT2T():
self._textFormat = "t2t"
else:
self._textFormat = "text"
# Accept richtext maybe
if self._textFormat == "html":
self.setAcceptRichText(True)
else:
self.setAcceptRichText(False)
# Setting highlighter
if self._highlighting:
item = index.internalPointer()
if self._column == Outline.text.value and not item.isT2T():
self.highlighter = basicHighlighter(self)
else:
self.highlighter = t2tHighlighter(self)
self.highlighter.setDefaultBlockFormat(self._defaultBlockFormat)
def loadFontSettings(self):
if self._fromTheme or \
not self._index or \
type(self._index.model()) != outlineModel or \
self._column != Outline.text.value:
return
opt = settings.textEditor
f = QFont()
f.fromString(opt["font"])
#self.setFont(f)
self.setStyleSheet("""
background: {bg};
color: {foreground};
font-family: {ff};
font-size: {fs};
""".format(
bg=opt["background"],
foreground=opt["fontColor"],
ff=f.family(),
fs="{}pt".format(str(f.pointSize()))))
cf = QTextCharFormat()
#cf.setFont(f)
#cf.setForeground(QColor(opt["fontColor"]))
bf = QTextBlockFormat()
bf.setLineHeight(opt["lineSpacing"], bf.ProportionalHeight)
bf.setTextIndent(opt["tabWidth"] * 1 if opt["indent"] else 0)
bf.setTopMargin(opt["spacingAbove"])
bf.setBottomMargin(opt["spacingBelow"])
self._defaultCharFormat = cf
self._defaultBlockFormat = bf
if self.highlighter:
self.highlighter.setMisspelledColor(QColor(opt["misspelled"]))
self.highlighter.setDefaultCharFormat(self._defaultCharFormat)
self.highlighter.setDefaultBlockFormat(self._defaultBlockFormat)
def update(self, topLeft, bottomRight):
if self._updating:
return
elif self._index:
if topLeft.parent() != self._index.parent():
return
#print("Model changed: ({}:{}), ({}:{}/{}), ({}:{}) for {} of {}".format(
#topLeft.row(), topLeft.column(),
#self._index.row(), self._index.row(), self._column,
#bottomRight.row(), bottomRight.column(),
#self.objectName(), self.parent().objectName()))
if topLeft.row() <= self._index.row() <= bottomRight.row():
if self._column == Outline.text.value and \
topLeft.column() <= Outline.type.value <= bottomRight.column():
# If item type change, and we display the main text,
# we reset the index to set the proper
# highlighter and other defaults
self.setupEditorForIndex(self._index)
self.updateText()
elif topLeft.column() <= self._column <= bottomRight.column():
self.updateText()
elif self._indexes:
update = False
for i in self._indexes:
if topLeft.row() <= i.row() <= bottomRight.row():
update = True
if update:
self.updateText()
def rowsAboutToBeRemoved(self, parent, first, last):
if self._index:
if self._index.parent() == parent and \
first <= self._index.row() <= last:
self._index = None
self.setEnabled(False)
#FIXME: self._indexes
def disconnectDocument(self):
try:
self.document().contentsChanged.disconnect(self.updateTimer.start)
except:
pass
def reconnectDocument(self):
self.document().contentsChanged.connect(self.updateTimer.start, AUC)
def updateText(self):
if self._updating:
return
#print("Updating", self.objectName())
self._updating = True
if self._index:
self.disconnectDocument()
if self._textFormat == "html":
if self.toHtml() != toString(self._model.data(self._index)):
#print(" Updating html")
html = self._model.data(self._index)
self.document().setHtml(toString(html))
else:
if self.toPlainText() != toString(self._model.data(self._index)):
#print(" Updating plaintext")
self.document().setPlainText(toString(self._model.data(self._index)))
self.reconnectDocument()
elif self._indexes:
self.disconnectDocument()
t = []
same = True
for i in self._indexes:
item = i.internalPointer()
t.append(toString(item.data(self._column)))
for t2 in t[1:]:
if t2 != t[0]:
same = False
break
if same:
# Assuming that we don't use HTML with multiple items
self.document().setPlainText(t[0])
else:
self.document().setPlainText("")
if not self._placeholderText:
self._placeholderText = self.placeholderText()
self.setPlaceholderText(self.tr("Various"))
self.reconnectDocument()
self._updating = False
def submit(self):
self.updateTimer.stop()
if self._updating:
return
#print("Submitting", self.objectName())
if self._index:
#item = self._index.internalPointer()
if self._textFormat == "html":
if self.toHtml() != self._model.data(self._index):
#print(" Submitting html")
self._updating = True
html = self.toHtml()
# We don't store paragraph and font settings
html = re.sub(r"font-family:.*?;\s*", "", html)
html = re.sub(r"font-size:.*?;\s*", "", html)
html = re.sub(r"margin-.*?;\s*", "", html)
html = re.sub(r"text-indent:.*?;\s*", "", html)
html = re.sub(r"line-height:.*?;\s*", "", html)
#print("Submitting:", html)
self._model.setData(self._index, html)
self._updating = False
else:
if self.toPlainText() != self._model.data(self._index):
#print(" Submitting plain text")
self._updating = True
self._model.setData(self._index, self.toPlainText())
self._updating = False
elif self._indexes:
self._updating = True
for i in self._indexes:
item = i.internalPointer()
if self.toPlainText() != toString(item.data(self._column)):
print("Submitting many indexes")
self._model.setData(i, self.toPlainText())
self._updating = False
def keyPressEvent(self, event):
QTextEdit.keyPressEvent(self, event)
if event.key() == Qt.Key_Space:
self.submit()
# -----------------------------------------------------------------------------------------------------
# Resize stuff
def resizeEvent(self, e):
QTextEdit.resizeEvent(self, e)
if self._autoResize:
self.sizeChange()
def sizeChange(self):
docHeight = self.document().size().height()
if self.heightMin <= docHeight <= self.heightMax:
self.setMinimumHeight(docHeight)
def setAutoResize(self, val):
self._autoResize = val
if self._autoResize:
self.document().contentsChanged.connect(self.sizeChange)
self.heightMin = 0
self.heightMax = 65000
self.sizeChange()
###############################################################################
# SPELLCHECKING
###############################################################################
# Based on http://john.nachtimwald.com/2009/08/22/qplaintextedit-with-in-line-spell-check/
def setDict(self, d):
self.currentDict = d
self._dict = enchant.Dict(d)
if self.highlighter:
self.highlighter.rehighlight()
def toggleSpellcheck(self, v):
self.spellcheck = v
if enchant and self.spellcheck and not self._dict:
self._dict = enchant.Dict(self.currentDict if self.currentDict else enchant.get_default_language())
if self.highlighter:
self.highlighter.rehighlight()
else:
self.spellcheck = False
def mousePressEvent(self, event):
if event.button() == Qt.RightButton:
# Rewrite the mouse event to a left button event so the cursor is
# moved to the location of the pointer.
event = QMouseEvent(QEvent.MouseButtonPress, event.pos(),
Qt.LeftButton, Qt.LeftButton, Qt.NoModifier)
QTextEdit.mousePressEvent(self, event)
class SpellAction(QAction):
"A special QAction that returns the text in a signal. Used for spellckech."
correct = pyqtSignal(str)
def __init__(self, *args):
QAction.__init__(self, *args)
self.triggered.connect(lambda x: self.correct.emit(
str(self.text())))
def contextMenuEvent(self, event):
# Based on http://john.nachtimwald.com/2009/08/22/qplaintextedit-with-in-line-spell-check/
popup_menu = self.createStandardContextMenu()
popup_menu.exec_(event.globalPos())
def createStandardContextMenu(self):
popup_menu = QTextEdit.createStandardContextMenu(self)
if not self.spellcheck:
return popup_menu
# Select the word under the cursor.
cursor = self.textCursor()
#cursor = self.cursorForPosition(pos)
cursor.select(QTextCursor.WordUnderCursor)
self.setTextCursor(cursor)
# Check if the selected word is misspelled and offer spelling
# suggestions if it is.
if cursor.hasSelection():
text = str(cursor.selectedText())
if not self._dict.check(text):
spell_menu = QMenu(self.tr('Spelling Suggestions'), self)
for word in self._dict.suggest(text):
action = self.SpellAction(word, spell_menu)
action.correct.connect(self.correctWord)
spell_menu.addAction(action)
# Only add the spelling suggests to the menu if there are
# suggestions.
if len(spell_menu.actions()) != 0:
popup_menu.insertSeparator(popup_menu.actions()[0])
popup_menu.insertMenu(popup_menu.actions()[0], spell_menu)
return popup_menu
def correctWord(self, word):
'''
Replaces the selected text with word.
'''
cursor = self.textCursor()
cursor.beginEditBlock()
cursor.removeSelectedText()
cursor.insertText(word)
cursor.endEditBlock()
###############################################################################
# FORMATTING
###############################################################################
def focusOutEvent(self, event):
"Submit changes just before focusing out."
QTextEdit.focusOutEvent(self, event)
self.submit()
def focusInEvent(self, event):
"Finds textFormatter and attach them to that view."
QTextEdit.focusInEvent(self, event)
p = self.parent()
while p.parent():
p = p.parent()
if self._index:
for tF in p.findChildren(textFormat, QRegExp(".*"), Qt.FindChildrenRecursively):
tF.updateFromIndex(self._index)
tF.setTextEdit(self)
def applyFormat(self, _format):
if self._textFormat == "html":
if _format == "Clear":
cursor = self.textCursor()
if _format == "Clear":
fmt = self._defaultCharFormat
cursor.setCharFormat(fmt)
bf = self._defaultBlockFormat
cursor.setBlockFormat(bf)
elif _format in ["Bold", "Italic", "Underline"]:
cursor = self.textCursor()
# If no selection, selects the word in which the cursor is now
if not cursor.hasSelection():
cursor.movePosition(QTextCursor.StartOfWord,
QTextCursor.MoveAnchor)
cursor.movePosition(QTextCursor.EndOfWord,
QTextCursor.KeepAnchor)
fmt = cursor.charFormat()
if _format == "Bold":
fmt.setFontWeight(QFont.Bold if fmt.fontWeight() != QFont.Bold else QFont.Normal)
elif _format == "Italic":
fmt.setFontItalic(not fmt.fontItalic())
elif _format == "Underline":
fmt.setFontUnderline(not fmt.fontUnderline())
fmt2 = self._defaultCharFormat
fmt2.setFontWeight(fmt.fontWeight())
fmt2.setFontItalic(fmt.fontItalic())
fmt2.setFontUnderline(fmt.fontUnderline())
cursor.mergeCharFormat(fmt2)
elif _format in ["Left", "Center", "Right", "Justify"]:
cursor = self.textCursor()
#bf = cursor.blockFormat()
bf = QTextBlockFormat()
bf.setAlignment(
Qt.AlignLeft if _format == "Left" else
Qt.AlignHCenter if _format == "Center" else
Qt.AlignRight if _format == "Right" else
Qt.AlignJustify)
cursor.setBlockFormat(bf)
self.setTextCursor(cursor)
elif self._textFormat == "t2t":
if _format == "Bold":
t2tFormatSelection(self, 0)
elif _format == "Italic":
t2tFormatSelection(self, 1)
elif _format == "Underline":
t2tFormatSelection(self, 2)
elif _format == "Clear":
t2tClearFormat(self)