class Markdowner(KParts.MainWindow):
"""Main Editor window"""
def __init__(self, urls, parent=None):
KParts.MainWindow.__init__(self, parent)
QWebSettings.globalSettings().setAttribute(
QWebSettings.DeveloperExtrasEnabled, True)
self.setWindowIcon(KIcon('text-editor'))
self.kate = KTextEditor.EditorChooser.editor()
self.editor = self.kate.createDocument(self).createView(self)
doc = self.editor.document()
self.editor.setContextMenu(self.editor.defaultContextMenu())
sizegrip = create_grip(self.editor)
sizegrip.show() #TODO: only show on windowstate change
self.renderer = Renderer(self)
@doc.textChanged.connect
def _start_markdown(doc=None, old_range=None, new_range=None):
"""Runs the renderer if it’s not currently rendering"""
if not self.renderer.isRunning():
self.renderer.start()
@self.renderer.finished.connect
def _stop_markdown():
"""
Replaces the preview HTML with the newly rendered one
and restores the scroll position
"""
url = self.editor.document().url().resolved(QUrl('.'))
self.preview.setHtml(self.renderer.html, url) #baseurl für extenes zeug
self.preview.page().mainFrame().setScrollPosition(self.renderer.scrollpos)
self.editor.document().documentNameChanged.connect(self.refresh_document)
self.guiFactory().addClient(self.editor)
self.setCentralWidget(self.editor)
self.toolbar = KToolBar(i18n('Markdowner Toolbar'), self)
self.toolbar.setWindowTitle(self.toolbar.objectName())
self.preview_button = self.toolbar.addAction(KIcon('document-preview'), i18n('Show Preview'))
self.preview_button.setCheckable(True)
self.preview = QWebView()
self.preview.settings().setUserStyleSheetUrl(base64css())
self.preview.page().setLinkDelegationPolicy(QWebPage.DelegateAllLinks)
self.preview.linkClicked.connect(self.intercept_link)
with self.setup_dock(self.preview, i18n('Preview'), Qt.RightDockWidgetArea) as dock:
page = self.preview.page()
palette = page.palette()
palette.setBrush(QPalette.Base, Qt.transparent)
page.setPalette(palette)
self.preview.setAttribute(Qt.WA_TranslucentBackground)
self.preview.setAttribute(Qt.WA_OpaquePaintEvent, False)
dock.setAllowedAreas(Qt.LeftDockWidgetArea | Qt.RightDockWidgetArea)
dock.visibilityChanged.connect(self.preview_button.setChecked)
self.preview_button.triggered.connect(dock.setVisible)
inspector = QWebInspector()
with self.setup_dock(inspector, i18n('Inspector'), Qt.BottomDockWidgetArea) as dock:
inspector.setPage(self.preview.page())
dock.hide()
inspect_action = self.preview.page().action(QWebPage.InspectElement)
inspect_action.triggered.connect(dock.show)
if len(urls) != 0:
self.editor.document().openUrl(urls[0])
#TODO: spellcheck
self.setAutoSaveSettings()
self.kate.readConfig(self.autoSaveConfigGroup().config())
@property
def format(self):
"""Gets the format from the corrent document’s file extension"""
path = self.editor.document().url().path()
ext = path[path.rfind('.') + 1:]
return FORMATS[ext]
def queryClose(self):
"""
Gets invoked by Qt if the window is about to be closed
Returns True if it is allowed to close
"""
self.kate.writeConfig(self.autoSaveConfigGroup().config())
if self.editor.document().isModified():
ret = KMessageBox.warningYesNoCancel(self,
i18n('Save changes to document?'))
if ret == KMessageBox.Yes:
return self.editor.document().documentSave()
else:
return ret == KMessageBox.No
else:
return True
@Slot(QUrl)
def intercept_link(self, url):
"""Allows to open documents or scrolling to anchors when clicking links"""
#reenable scrolling to anchor in document
if url.hasFragment() and url.scheme() == 'about' and url.path() == 'blank':
self.preview.page().currentFrame().scrollToAnchor(url.fragment())
elif url.isRelative() and self.queryExit():
#TODO: less hacky, extensions
url = KUrl(self.editor.document().url().path() + url.path())
self.editor.document().openUrl(url)
else:
QDesktopServices.openUrl(url)
@Slot(KTextEditor.Document)
def refresh_document(self, doc):
"""Sets the necessary bits if a new document is loaded"""
self.setWindowTitle('{} – {}'.format(
doc.documentName(),
ABOUT.programName()
))
doc.setMode(self.format.name)
@contextmanager
def setup_dock(self, widget, name, area):
"""Helps to setup docks more semantically"""
dock = QDockWidget(name, self)
dock.setObjectName(name)
yield dock
self.addDockWidget(area, dock)
dock.setWidget(widget)
