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# This file is part of the Frescobaldi project, http://www.frescobaldi.org/
#
# Copyright (c) 2008 - 2014 by Wilbert Berendsen
#
# 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.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
# See http://www.gnu.org/licenses/ for more information.
"""
The dialog for editing a snippet
"""
import re
from PyQt5.QtCore import QItemSelectionModel, QSize
from PyQt5.QtGui import QIcon, QKeySequence, QTextCharFormat
from PyQt5.QtWidgets import (
QAction, QDialog, QDialogButtonBox, QGridLayout, QLabel, QLineEdit,
QMessageBox, QPushButton, QTextEdit, QVBoxLayout)
import actioncollectionmanager
import app
import qutil
import userguide
import cursorkeys
import icons
import textformats
import wordboundary
import gadgets.indenter
import gadgets.matcher
import widgets
from . import model
from . import snippets
from . import builtin
from . import expand
from . import highlight
from . import completer
class Edit(QDialog):
"""Dialog for editing a snippet. It is used for one edit.
Use None as the name to create a new snippet. In that case, text
is set as a default in the text edit.
"""
def __init__(self, widget, name, text=""):
super(Edit, self).__init__(widget)
self._name = name
layout = QVBoxLayout()
self.setLayout(layout)
self.topLabel = QLabel()
self.text = QTextEdit(cursorWidth=2, acceptRichText=False)
self.titleLabel = QLabel()
self.titleEntry = QLineEdit()
self.shortcutLabel = QLabel()
self.shortcutButton = ShortcutButton(clicked=self.editShortcuts)
layout.addWidget(self.topLabel)
layout.addWidget(self.text)
grid = QGridLayout()
layout.addLayout(grid)
grid.addWidget(self.titleLabel, 0, 0)
grid.addWidget(self.titleEntry, 0, 1)
grid.addWidget(self.shortcutLabel, 1, 0)
grid.addWidget(self.shortcutButton, 1, 1)
layout.addWidget(widgets.Separator())
b = QDialogButtonBox(accepted=self.accept, rejected=self.reject)
layout.addWidget(b)
buttons = QDialogButtonBox.Ok | QDialogButtonBox.Cancel
if name and name in builtin.builtin_snippets:
b.setStandardButtons(buttons | QDialogButtonBox.RestoreDefaults)
b.button(QDialogButtonBox.RestoreDefaults).clicked.connect(self.slotDefaults)
else:
b.setStandardButtons(buttons)
userguide.addButton(b, "snippet_editor")
# PyQt5.10 en sip4.14.5 delete the Highlighter, even though it is
# constructed with a parent, that's why we save it in an unused attribute.
self._highlighter = highlight.Highlighter(self.text.document())
Matcher(self.text)
gadgets.indenter.Indenter(self.text)
self.text.installEventFilter(cursorkeys.handler)
wordboundary.handler.install_textedit(self.text)
completer.Completer(self.text)
if name:
self.titleEntry.setText(snippets.title(name, False) or '')
self.text.setPlainText(snippets.text(name))
ac = self.parent().parent().snippetActions
self.setShortcuts(ac.shortcuts(name))
else:
self.text.setPlainText(text)
self.setShortcuts(None)
app.translateUI(self)
self.readSettings()
app.settingsChanged.connect(self.readSettings)
qutil.saveDialogSize(self, "snippettool/editor/size", QSize(400, 300))
self.show()
def translateUI(self):
title = _("Edit Snippet") if self._name else _("New Snippet")
self.setWindowTitle(app.caption(title))
self.topLabel.setText(_("Snippet Text:"))
self.titleLabel.setText(_("Title:"))
self.shortcutLabel.setText(_("Shortcut:"))
self.shortcutButton.updateText()
def done(self, result):
if result:
if not self.text.toPlainText():
QMessageBox.warning(self,
_("Empty Snippet"),
_("A snippet can't be empty."))
return
self.saveSnippet()
elif self.text.document().isModified():
res = QMessageBox.warning(self, self.windowTitle(),
_("The snippet has been modified.\n"
"Do you want to save your changes or discard them?"),
QMessageBox.Save | QMessageBox.Discard | QMessageBox.Cancel)
if res == QMessageBox.Cancel:
return
elif res != QMessageBox.Discard:
self.saveSnippet()
super(Edit, self).done(result)
def readSettings(self):
data = textformats.formatData('editor')
self.text.setFont(data.font)
self.text.setPalette(data.palette())
def shortcuts(self):
return self.shortcutButton.shortcuts()
def setShortcuts(self, shortcuts):
self.shortcutButton.setShortcuts(shortcuts)
def editShortcuts(self):
from widgets import shortcuteditdialog
ac = self.parent().parent().snippetActions
action = QAction(None)
if self._name:
action.setShortcuts(self.shortcuts())
action.setIcon(snippets.icon(self._name) or QIcon())
default = ac.defaults().get(self._name)
text = snippets.title(self._name)
else:
default = None
text = self.titleEntry.text() or _("Untitled")
action.setText(text.replace('&', '&&'))
cb = self.actionManager().findShortcutConflict
skip = (self.parent().parent().snippetActions, self._name)
dlg = shortcuteditdialog.ShortcutEditDialog(self, cb, skip)
if dlg.editAction(action, default):
self.setShortcuts(action.shortcuts())
def saveSnippet(self):
index = model.model().saveSnippet(self._name,
self.text.toPlainText(), self.titleEntry.text())
# set snippet current in the editor that called us
self.parent().treeView.selectionModel().setCurrentIndex(
index, QItemSelectionModel.SelectCurrent | QItemSelectionModel.Rows)
#remove the shortcuts conflicts
self.actionManager().removeShortcuts(self.shortcuts())
self.parent().treeView.update()
# get the name that was used
name = model.model().name(index)
self.parent().parent().snippetActions.setShortcuts(name, self.shortcuts())
self.text.document().setModified(False)
def actionManager(self):
mainwindow = self.parent().parent().mainwindow()
return actioncollectionmanager.manager(mainwindow)
def slotDefaults(self):
t = builtin.builtin_snippets[self._name]
self.text.setPlainText(t.text)
self.titleEntry.setText(t.title() if t.title else '')
self.setShortcuts(self.parent().parent().snippetActions.defaults().get(self._name))
class ShortcutButton(QPushButton):
def __init__(self, **args):
super(ShortcutButton, self).__init__(**args)
self.setIcon(icons.get("preferences-desktop-keyboard-shortcuts"))
self._shortcuts = []
def shortcuts(self):
return self._shortcuts
def setShortcuts(self, shortcuts):
self._shortcuts = shortcuts or []
self.updateText()
def updateText(self):
if not self._shortcuts:
self.setText(_("None"))
else:
key = self._shortcuts[0].toString(QKeySequence.NativeText)
if len(self._shortcuts) > 1:
key += "..."
self.setText(key.replace('&', '&&'))
self.setToolTip(_("Click to change the keyboard shortcut."))
class Matcher(gadgets.matcher.Matcher):
def __init__(self, edit):
super(Matcher, self).__init__(edit)
self.readSettings()
app.settingsChanged.connect(self.readSettings)
def readSettings(self):
self.format = QTextCharFormat()
self.format.setBackground(textformats.formatData('editor').baseColors['match'])
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