class MainWindow(QMainWindow):
def __init__(self, url):
super().__init__()
self.setAttribute(Qt.WA_DeleteOnClose, True)
self.progress = 0
f = QFile()
f.setFileName(":/jquery.min.js")
f.open(QIODevice.ReadOnly)
self.jQuery = f.readAll().data().decode()
self.jQuery += "\nvar qt = { 'jQuery': jQuery.noConflict(true) };"
f.close()
self.view = QWebEngineView(self)
self.view.load(url)
self.view.loadFinished.connect(self.adjustLocation)
self.view.titleChanged.connect(self.adjustTitle)
self.view.loadProgress.connect(self.setProgress)
self.view.loadFinished.connect(self.finishLoading)
self.locationEdit = QLineEdit(self)
self.locationEdit.setSizePolicy(
QSizePolicy.Expanding,
self.locationEdit.sizePolicy().verticalPolicy())
self.locationEdit.returnPressed.connect(self.changeLocation)
toolBar = self.addToolBar(self.tr("Navigation"))
toolBar.addAction(self.view.pageAction(QWebEnginePage.Back))
toolBar.addAction(self.view.pageAction(QWebEnginePage.Forward))
toolBar.addAction(self.view.pageAction(QWebEnginePage.Reload))
toolBar.addAction(self.view.pageAction(QWebEnginePage.Stop))
toolBar.addWidget(self.locationEdit)
viewMenu = self.menuBar().addMenu(self.tr("&View"))
viewSourceAction = QAction(self.tr("Page Source"), self)
viewSourceAction.triggered.connect(self.viewSource)
viewMenu.addAction(viewSourceAction)
effectMenu = self.menuBar().addMenu(self.tr("&Effect"))
effectMenu.addAction(self.tr("Highlight all links"),
self.highlightAllLinks)
self.rotateAction = QAction(self)
self.rotateAction.setIcon(self.style().standardIcon(
QStyle.SP_FileDialogDetailedView))
self.rotateAction.setCheckable(True)
self.rotateAction.setText(self.tr("Turn images upside down"))
self.rotateAction.toggled.connect(self.rotateImages)
effectMenu.addAction(self.rotateAction)
toolsMenu = self.menuBar().addMenu(self.tr("&Tools"))
toolsMenu.addAction(self.tr("Remove GIF images"), self.removeGifImages)
toolsMenu.addAction(self.tr("Remove all inline frames"),
self.removeInlineFrames)
toolsMenu.addAction(self.tr("Remove all object elements"),
self.removeObjectElements)
toolsMenu.addAction(self.tr("Remove all embedded elements"),
self.removeEmbeddedElements)
self.setCentralWidget(self.view)
@Slot()
def adjustLocation(self):
self.locationEdit.setText(self.view.url().toString())
@Slot()
def changeLocation(self):
url = QUrl.fromUserInput(self.locationEdit.text())
self.view.load(url)
self.view.setFocus()
@Slot()
def adjustTitle(self):
if self.progress <= 0 or self.progress >= 100:
self.setWindowTitle(self.view.title())
else:
self.setWindowTitle("%s (%2d)" %
(self.view.title(), self.progress))
@Slot(int)
def setProgress(self, p):
self.progress = p
self.adjustTitle()
@Slot()
def finishLoading(self):
self.progress = 100
self.adjustTitle()
self.view.page().runJavaScript(self.jQuery)
self.rotateImages(self.rotateAction.isChecked())
@Slot()
def viewSource(self):
self.textEdit = QTextEdit()
self.textEdit.setAttribute(Qt.WA_DeleteOnClose)
self.textEdit.adjustSize()
self.textEdit.move(self.geometry().center() -
self.textEdit.rect().center())
self.textEdit.show()
self.view.page().toHtml(self.textEdit.setPlainText)
@Slot()
def highlightAllLinks(self):
code = "qt.jQuery('a').each( function () { qt.jQuery(this).css('background-color', 'yellow') } )"
self.view.page().runJavaScript(code)
@Slot(bool)
def rotateImages(self, invert):
code = ""
if invert:
code = "qt.jQuery('img').each( function () { qt.jQuery(this).css('transition', 'transform 2s'); qt.jQuery(this).css('transform', 'rotate(180deg)') } )" # noqa: E501
else:
code = "qt.jQuery('img').each( function () { qt.jQuery(this).css('transition', 'transform 2s'); qt.jQuery(this).css('transform', 'rotate(0deg)') } )" # noqa: E501
self.view.page().runJavaScript(code)
@Slot()
def removeGifImages(self):
code = "qt.jQuery('[src*=gif]').remove()"
self.view.page().runJavaScript(code)
@Slot()
def removeInlineFrames(self):
code = "qt.jQuery('iframe').remove()"
self.view.page().runJavaScript(code)
@Slot()
def removeObjectElements(self):
code = "qt.jQuery('object').remove()"
self.view.page().runJavaScript(code)
@Slot()
def removeEmbeddedElements(self):
code = "qt.jQuery('embed').remove()"
self.view.page().runJavaScript(code)
def instance(parent=None):
instance = PyFlow(parent)
instance.startMainLoop()
INITIALIZE()
# create app folder in documents
# random string used for cases when multiple instances of app are running in the same time
prefs = QtCore.QSettings(ConfigManager().PREFERENCES_CONFIG_PATH,
QtCore.QSettings.IniFormat)
tempDirPath = prefs.value("Preferences/General/TempFilesDir")
if tempDirPath == None:
tempDirPath = "/tmp/pyflow"
if tempDirPath[-1:] in ('/', '\\'):
tempDirPath = tempDirPath[:-1]
instance.currentTempDir = "{0}_{1}".format(tempDirPath,
generateRandomString())
if not os.path.exists(instance.currentTempDir):
os.makedirs(instance.currentTempDir)
# populate tools
canvas = instance.getCanvas()
toolbar = instance.getToolbar()
settings = QtCore.QSettings(ConfigManager().APP_SETTINGS_PATH,
QtCore.QSettings.IniFormat)
geo = settings.value('Editor/geometry')
if geo is not None:
instance.restoreGeometry(geo)
state = settings.value('Editor/state')
if state is not None:
instance.restoreState(state)
settings.beginGroup("Tools")
for packageName, registeredToolSet in GET_TOOLS().items():
for ToolClass in registeredToolSet:
if issubclass(ToolClass, ShelfTool):
ToolInstance = ToolClass()
# prevent to be garbage collected
instance.registerToolInstance(ToolInstance)
ToolInstance.setCanvas(canvas)
action = QAction(instance)
action.setIcon(ToolInstance.getIcon())
action.setText(ToolInstance.name())
action.setToolTip(ToolInstance.toolTip())
action.setObjectName(ToolInstance.name())
action.triggered.connect(ToolInstance.do)
# check if context menu data available
menuBuilder = ToolInstance.contextMenuBuilder()
if menuBuilder:
menuGenerator = ContextMenuGenerator(menuBuilder)
menu = menuGenerator.generate()
action.setMenu(menu)
toolbar.addAction(action)
# step to ShelfTools/ToolName group and pass settings inside
settings.beginGroup("ShelfTools")
settings.beginGroup(ToolClass.name())
ToolInstance.restoreState(settings)
settings.endGroup()
settings.endGroup()
if issubclass(ToolClass, DockTool):
menus = instance.menuBar.findChildren(QMenu)
helpMenuAction = [m for m in menus
if m.title() == "Help"][0].menuAction()
toolsMenu = getOrCreateMenu(instance.menuBar, "Tools")
instance.menuBar.insertMenu(helpMenuAction, toolsMenu)
packageSubMenu = getOrCreateMenu(toolsMenu, packageName)
toolsMenu.addMenu(packageSubMenu)
showToolAction = packageSubMenu.addAction(ToolClass.name())
icon = ToolClass.getIcon()
if icon:
showToolAction.setIcon(icon)
showToolAction.triggered.connect(
lambda pkgName=packageName, toolName=ToolClass.name(
): instance.invokeDockToolByName(pkgName, toolName))
settings.beginGroup("DockTools")
childGroups = settings.childGroups()
for dockToolGroupName in childGroups:
# This dock tool data been saved on last shutdown
settings.beginGroup(dockToolGroupName)
if dockToolGroupName in [
t.uniqueName() for t in instance._tools
]:
continue
toolName = dockToolGroupName.split("::")[0]
ToolInstance = instance.invokeDockToolByName(
packageName, toolName, settings)
settings.endGroup()
settings.endGroup()
return instance
def instance(parent=None):
instance = PyFlow(parent)
instance.startMainLoop()
INITIALIZE()
# populate tools
canvas = instance.getCanvas()
toolbar = instance.getToolbar()
settings = QtCore.QSettings(SETTINGS_PATH, QtCore.QSettings.IniFormat)
instance.restoreGeometry(settings.value('Editor/geometry'))
instance.restoreState(settings.value('Editor/state'))
settings.beginGroup("Tools")
for packageName, registeredToolSet in GET_TOOLS().items():
for ToolClass in registeredToolSet:
if issubclass(ToolClass, ShelfTool):
ToolInstance = ToolClass()
# prevent to be garbage collected
instance.registerToolInstance(ToolInstance)
ToolInstance.setCanvas(canvas)
action = QAction(instance)
action.setIcon(ToolInstance.getIcon())
action.setText(ToolInstance.name())
action.setToolTip(ToolInstance.toolTip())
action.setObjectName(ToolInstance.name())
action.triggered.connect(ToolInstance.do)
# check if context menu data available
menuBuilder = ToolInstance.contextMenuBuilder()
if menuBuilder:
menuGenerator = ContextMenuGenerator(menuBuilder)
menu = menuGenerator.generate()
action.setMenu(menu)
toolbar.addAction(action)
# step to ShelfTools/ToolName group and pass settings inside
settings.beginGroup("ShelfTools")
settings.beginGroup(ToolClass.name())
ToolInstance.restoreState(settings)
settings.endGroup()
settings.endGroup()
if issubclass(ToolClass, DockTool):
menus = instance.menuBar.findChildren(QMenu)
helpMenuAction = [m for m in menus
if m.title() == "Help"][0].menuAction()
toolsMenu = getOrCreateMenu(instance.menuBar, "Tools")
instance.menuBar.insertMenu(helpMenuAction, toolsMenu)
packageSubMenu = getOrCreateMenu(toolsMenu, packageName)
toolsMenu.addMenu(packageSubMenu)
showToolAction = packageSubMenu.addAction(ToolClass.name())
icon = ToolClass.getIcon()
if icon:
showToolAction.setIcon(icon)
showToolAction.triggered.connect(
lambda pkgName=packageName, toolName=ToolClass.name(
): instance.invokeDockToolByName(pkgName, toolName))
settings.beginGroup("DockTools")
childGroups = settings.childGroups()
for dockToolGroupName in childGroups:
# This dock tool data been saved on last shutdown
settings.beginGroup(dockToolGroupName)
if dockToolGroupName in [
t.uniqueName() for t in instance._tools
]:
continue
toolName = dockToolGroupName.split("::")[0]
ToolInstance = instance.invokeDockToolByName(
packageName, toolName, settings)
settings.endGroup()
settings.endGroup()
return instance