class FlowModule:
def __init__(self):
self.name = "Pretok"
self.updateTimer = QTimer()
self.updateTimer.timeout.connect(self.update)
def makeLayout(self):
self.layout = QGraphicsLinearLayout(Qt.Vertical)
self.flowComboLayout = QGraphicsLinearLayout(Qt.Horizontal)
self.flowLabelLayout = QGraphicsGridLayout()
#Flow Layout
self.flowData = SvJanez()
self.flowView = QGraphicsWebView()
self.flowView.setUrl( QUrl(self.flowData.flowImageUrl) )
self.flowView.setEnabled(False)
self.flowSelectorCombo = Plasma.ComboBox()
self.flowSelectorCombo.addItem(u"Sveti Janez")
self.flowSelectorCombo.addItem(u"Soteska")
self.flowSelectorCombo.setMinimumWidth(125)
self.flowSelectorCombo.textChanged.connect(self.flowSourceChanged)
self.flowRefresh = Plasma.IconWidget()
self.flowRefresh.setIcon("view-refresh")
self.flowRefresh.clicked.connect(self.update)
self.flowEnlargeButton = Plasma.IconWidget()
self.flowEnlargeButton.setIcon("zoom-in")
self.flowEnlargeButton.clicked.connect(self.showFullFlowWidget)
self.flowLabel = Plasma.Label()
self.flowLabel.setText(u"<b>Pretok:</b> ")
self.flowDataLabel = Plasma.Label()
self.flowLevelLabel = Plasma.Label()
self.flowLevelLabel.setText(u"<b>Višina:</b> ")
self.flowLevelDataLabel = Plasma.Label()
self.flowTempLabel = Plasma.Label()
self.flowTempLabel.setText(u"<b>Temperatura:</b> ")
self.flowTempDataLabel = Plasma.Label()
self.flowLabelLayout.addItem(self.flowLevelLabel,0,0)
self.flowLabelLayout.addItem(self.flowLevelDataLabel,0,1)
self.flowLabelLayout.addItem(self.flowLabel,1,0)
self.flowLabelLayout.addItem(self.flowDataLabel,1,1)
self.flowLabelLayout.addItem(self.flowTempLabel,2,0)
self.flowLabelLayout.addItem(self.flowTempDataLabel,2,1)
self.flowUpdateTimeSelector = UpdateTimeSelector()
self.flowUpdateTimeSelector.setDefaultTime(4)
self.flowUpdateTimeSelector.setDefaultInterval('h')
self.flowUpdateTimeSelector.updateTimeSpin.valueChanged.connect(self.flowTimeChanged)
self.flowUpdateTimeSelector.updateCheckBox.toggled.connect(self.flowTimerToggle)
self.flowComboLayout.addItem(self.flowSelectorCombo)
self.flowComboLayout.addStretch()
self.flowComboLayout.addItem(self.flowEnlargeButton)
self.flowComboLayout.addItem(self.flowRefresh)
self.layout.addItem(self.flowComboLayout)
self.layout.addItem(self.flowView)
self.layout.addItem(self.flowLabelLayout)
self.layout.addStretch()
self.layout.addItem(self.flowUpdateTimeSelector.layout)
self.layout.itemAt(0).setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed, QSizePolicy.DefaultType)
self.layout.itemAt(2).setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed, QSizePolicy.DefaultType)
def flowTimerToggle(self, toggled):
if toggled:
multiplier = 1
if self.flowUpdateTimeSelector.getInterval() == 'min':
multiplier = 60
if self.flowUpdateTimeSelector.getInterval() == 'h':
multiplier = 60 * 60
self.updateTimer.start(self.flowUpdateTimeSelector.getTime() * 1000 * multiplier)
self.update()
else:
self.updateTimer.stop()
def flowTimeChanged(self, value):
if self.flowUpdateTimeSelector.isChecked():
self.updateTimer.stop()
self.flowTimerToggle(self.flowUpdateTimeSelector.isChecked())
def flowSourceChanged(self, text):
if text == "Sveti Janez":
self.flowData = SvJanez()
else:
self.flowData = Soteska()
self.flowView.setUrl(QUrl(self.flowData.flowImageUrl))
self.updateFlowLabels()
def updateFlowImage(self):
self.flowSourceChanged(self.flowSelectorCombo.text())
def updateFlowLabels(self):
self.flowData.fetchData()
self.flowDataLabel.setText(u"%s %s" % (self.flowData.currentFlow, u' m3/s'))
self.flowTempDataLabel.setText(u"%s %s" % (self.flowData.temperature , u' °C'))
self.flowLevelDataLabel.setText(u"%s %s" % (self.flowData.waterLevel , u' cm'))
def update(self):
try:
urllib.urlopen('http://www.google.com', timeout=2)
except:
self.offlineMode()
return
self.updateFlowLabels()
self.updateFlowImage()
def offlineMode(self):
self.flowView.setUrl(QUrl("weather-none-available.png"))
self.flowDataLabel.setText(u"N/A")
self.flowTempDataLabel.setText(u"N/A")
self.flowLevelDataLabel.setText(u"N/A")
def showFullFlowWidget(self):
fullcamwidget = FullCamWidget()
fullcamwidget.show(self.flowView.url(), 840, 400)
class CamModule:
def __init__(self):
self.name = "Kamere"
#Cam urls
self.camUrls = {u"Ribčev Laz (v živo)": "http://firma.sportnet.si:8080/dvs2000/r1.jpg",\
u"Ribčev Laz": "http://www.bohinj.si/cam/slika3.jpg",\
u"Vogel - 1" : "http://www.snezni-telefon.si/Images/Kamere/6_a.jpg",\
u"Vogel - 2" : "http://www.snezni-telefon.si/Images/Kamere/6_b.jpg",\
u"Vogel - 3" : "http://www.snezni-telefon.si/Images/Kamere/6_c.jpg",\
u"Vogel - 4" : "http://www.snezni-telefon.si/Images/Kamere/6_d.jpg",\
u"Bohinjska Češnjica" : "http://www2.arnes.si/~smisma1/canon.jpg",\
u"Bohinjska Bistrica" : "http://www.drsc.si/kamere/kamslike/bohinjska/slike/boh1_0001.jpg",\
u"Orožnova koča": "http://www.bohinj.si/cam/lisc/slika1.jpg"}
self.camSizes ={u"Ribčev Laz (v živo)": "352x228", \
u"Ribčev Laz": "2048x1536",\
u"Vogel - 1" : "1280x1024",\
u"Vogel - 2" : "640x480",\
u"Vogel - 3" : "1280x1024",\
u"Vogel - 4" : "640x480",\
u"Bohinjska Češnjica" : "800x600",\
u"Bohinjska Bistrica" : "352x228",\
u"Orožnova koča": "1280x1024"}
self.updateTimer = QTimer()
self.updateTimer.timeout.connect(self.update)
def makeLayout(self):
self.layout = QGraphicsLinearLayout(Qt.Vertical)
self.topCamLayout = QGraphicsLinearLayout(Qt.Horizontal)
# Cam layout
self.camRefreshButton = Plasma.IconWidget()
self.camRefreshButton.setIcon("view-refresh")
self.camRefreshButton.clicked.connect(self.update)
self.camTimeLabel = Plasma.Label()
self.camTimeLabel.setText(u"ob")
self.camEnlargeButton = Plasma.IconWidget()
self.camEnlargeButton.setIcon("zoom-in")
self.camEnlargeButton.clicked.connect(self.showFullCamWidget)
self.camSelectorCombo = Plasma.ComboBox()
for source in sorted(self.camUrls.keys()):
self.camSelectorCombo.addItem(source)
self.camSelectorCombo.setMinimumWidth(125)
self.camSelectorCombo.textChanged.connect(self.camChanged)
self.camView = QGraphicsWebView()
self.camView.setEnabled(False)
self.camTimeDataLabel = Plasma.Label()
self.camUpdateTimeSelector = UpdateTimeSelector()
self.camUpdateTimeSelector.setDefaultTime(30)
self.camUpdateTimeSelector.setDefaultInterval('min')
self.camUpdateTimeSelector.updateTimeSpin.valueChanged.connect(self.camTimeChanged)
self.camUpdateTimeSelector.updateCheckBox.toggled.connect(self.camTimerToggle)
self.topCamLayout.addItem(self.camSelectorCombo)
self.topCamLayout.addItem(self.camTimeLabel)
self.topCamLayout.addItem(self.camTimeDataLabel)
self.topCamLayout.addStretch()
self.topCamLayout.addItem(self.camEnlargeButton)
self.topCamLayout.addItem(self.camRefreshButton)
self.layout.addItem(self.topCamLayout)
self.layout.addItem(self.camView)
self.layout.addItem(self.camUpdateTimeSelector.layout)
self.layout.itemAt(0).setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed, QSizePolicy.DefaultType)
self.layout.itemAt(2).setSizePolicy(QSizePolicy.Expanding, QSizePolicy.Fixed, QSizePolicy.DefaultType)
def update(self, text=None):
try:
urllib.urlopen('http://www.google.com', timeout=2)
except:
self.offlineMode()
return
if not self.camUpdateTimeSelector.updateCheckBox.isChecked():
self.updateTimer.stop()
self.camChanged(self.camSelectorCombo.text())
self.setCamTimeLabel()
def offlineMode(self):
self.camView.setUrl(QUrl("weather-none-available.png"))
self.camTimeDataLabel.setText(" ni na voljo.")
def setCamTimeLabel(self):
hour = time.localtime().tm_hour if not time.localtime().tm_hour in range(10) else '0' + str(time.localtime().tm_hour)
minute = time.localtime().tm_min if not time.localtime().tm_min in range(10) else '0' + str(time.localtime().tm_min)
second = time.localtime().tm_sec if not time.localtime().tm_sec in range(10) else '0' + str(time.localtime().tm_sec)
self.camTimeDataLabel.setText(u'<b>%s:%s:%s</b>' % (str(hour), str(minute), str(second)) )
def camTimerToggle(self, toggled):
if toggled:
multiplier = 1
if self.camUpdateTimeSelector.getInterval() == 'min':
multiplier = 60
if self.camUpdateTimeSelector.getInterval() == 'h':
multiplier = 60 * 60
self.updateTimer.start(self.camUpdateTimeSelector.getTime() * 1000 * multiplier)
self.update()
else:
self.updateTimer.stop()
def camChanged(self, text):
self.camView.setUrl( QUrl( self.camUrls[unicode(text)] ) )
self.setCamTimeLabel()
def camTimeChanged(self, value):
if self.camUpdateTimeSelector.isChecked():
self.updateTimer.stop()
self.camTimerToggle(self.camUpdateTimeSelector.isChecked())
def showFullCamWidget(self):
fullcamwidget = FullCamWidget()
size = self.camSizes[unicode(self.camSelectorCombo.text())]
size = [ int(i) for i in size.split('x')]
if size[0] < 640 and size[1] < 480:
fullcamwidget.show(self.camView.url(), size[0] + 25, size[1] + 125)
else:
fullcamwidget.show(self.camView.url(), 645, 505)
class Lectern(QMainWindow):
def __init__(self, parent=None):
super(Lectern, self).__init__(parent)
self.anchor = None
self.initMainMenu()
self.initToolbar()
splitter = QSplitter()
self.tocView = QTreeView()
self.tocView.clicked.connect(self.navTo)
self.tocModel = TableOfContents()
self.tocModel.isEmpty.connect(self.handleTOCLoad)
self.tocView.setModel(self.tocModel)
self.tocView.expandAll()
self.tocView.hide()
splitter.addWidget(self.tocView)
self.webView = QGraphicsWebView()
frame = self.webView.page().mainFrame()
scene = QGraphicsScene()
scene.addItem(self.webView)
self.graphicsView = GraphicsView(scene)
self.graphicsView.setFrameShape(QFrame.NoFrame)
glWidget = QGLWidget(self)
self.graphicsView.setViewport(glWidget)
self.webView.loadFinished.connect(self.handleLoad)
splitter.addWidget(self.graphicsView)
self.setCentralWidget(splitter)
self.ebook_info = {}
self.setWindowTitle('Lectern')
try:
self.ebook_info = self.openBook(QApplication.arguments()[1])
except IndexError:
pass
def initMainMenu(self):
menuBar = self.menuBar()
menuBar.setNativeMenuBar(True)
# TODO: add CROSS-PLATFORM shortcut keys. (e.g. For Quit, use ⌘Q on Mac OS X, ALT-F4 elsewhere)
fileMenu = QMenu('File', menuBar)
navMenu = QMenu('Navigate', menuBar)
# File Menu
openAction = QAction('Open', fileMenu)
openAction.triggered.connect(self.chooseEbook)
fileMenu.addAction(openAction)
quitAction = QAction('Quit', fileMenu)
quitAction.triggered.connect(self.closeEvent)
fileMenu.addAction(quitAction)
# Nav Menu
prevChatperAction = QAction('Previous Chapter', navMenu)
prevChatperAction.triggered.connect(self.prevChapter)
navMenu.addAction(prevChatperAction)
nextChatperAction = QAction('Next Chapter', navMenu)
nextChatperAction.triggered.connect(self.nextChapter)
navMenu.addAction(nextChatperAction)
menuBar.addMenu(fileMenu)
menuBar.addMenu(navMenu)
def initToolbar(self):
toolBar = QToolBar(self)
chooseAction = QAction(self.style().standardIcon(
QStyle.SP_DialogOpenButton), 'Open', toolBar)
chooseAction.triggered.connect(self.chooseEbook)
toolBar.addAction(chooseAction)
self.prevAction = QAction(self.style().standardIcon(
QStyle.SP_ArrowBack), 'Go back', toolBar)
self.prevAction.setEnabled(False)
self.prevAction.triggered.connect(self.prevChapter)
toolBar.addAction(self.prevAction)
self.nextAction = QAction(self.style().standardIcon(
QStyle.SP_ArrowForward), 'Go forward', toolBar)
self.nextAction.setEnabled(False)
self.nextAction.triggered.connect(self.nextChapter)
toolBar.addAction(self.nextAction)
self.addToolBar(toolBar)
def chooseEbook(self):
path = QFileDialog.getOpenFileName(self, 'Open eBook', QDesktopServices.storageLocation(
QDesktopServices.DocumentsLocation),'EPUBs (*.epub)')
if not isfile(path):
return
if self.ebook_info is not None and 'temp_path' in self.ebook_info:
if exists(self.ebook_info['temp_path']):
rmtree(self.ebook_info['temp_path'])
path = QDir.toNativeSeparators(path)
self.ebook_info = self.openBook(path)
def openBook(self, path):
ebook_info = {}
path = realpath(path)
if not isfile(path):
QMessageBox.critical(self, 'File not found', 'File not found')
mimetype, _ = guess_type(path)
if mimetype != 'application/epub+zip':
QMessageBox.critical(self, 'Not an EPUB', 'Not an EPUB')
return None
ebook = ZipFile(path)
names = ebook.namelist()
if not 'META-INF/container.xml' in names:
ebook.close()
QMessageBox.critical(self, 'Invalid EPUB', 'container.xml not '\
'found')
return None
container_tree = etree.parse(ebook.open('META-INF/container.xml'))
rootfile = container_tree.xpath("//*[local-name() = 'rootfile']")
if len(rootfile) == 0:
ebook.close()
QMessageBox.critical(self, 'Invalid EPUB', 'root not found in '\
'manifest')
return None
content_opf = rootfile[0].get('full-path')
if content_opf is None:
ebook.close()
QMessageBox.critical(self, 'Invalid EPUB', 'content.opf not found')
return None
ebook_info['opf_root'] = posixpath.dirname(content_opf)
tree = etree.parse(ebook.open(content_opf))
manifest = tree.xpath("*[local-name() = 'manifest']")
if len(manifest) == 0:
ebook.close()
QMessageBox.critical(self, 'Invalid EPUB', 'Manifest not found')
return None
manifest = manifest[0]
items = {}
for item in manifest:
item_id = item.get('id')
if item_id is None:
ebook.close()
QMessageBox.critical(self, 'Invalid EPUB', 'Item has no id')
return None
href = item.get('href')
if href is None:
ebook.close()
QMessageBox.critical(self, 'Invalid EPUB', 'Item has no href')
return None
items[item_id] = href
spine = tree.xpath("*[local-name() = 'spine']")
if len(spine) == 0:
ebook.close()
QMessageBox.critical(self, 'Invalid EPUB', 'Spine not found')
return None
spine = spine[0]
ebook_info['chapters'] = []
for itemref in spine:
idref = itemref.get('idref')
if not idref in items:
ebook.close()
QMessageBox.critical(self, 'Invalid EPUB', 'Item in spine '\
'not found in manifest')
return None
ebook_info['chapters'].append(items[idref])
if len(ebook_info['chapters']) == 0:
ebook.close()
QMessageBox.critical(self, 'Invalid EPUB', 'Content not found')
return None
# Table of contents
toc = tree.find("//*[@href='toc.ncx']")
if toc is not None:
toc_path = posixpath.join(ebook_info['opf_root'], 'toc.ncx')
if toc_path in names:
toc_tree = etree.parse(ebook.open(toc_path))
navMap = toc_tree.xpath("//*[local-name() = 'navMap']")
if len(navMap) > 0:
self.tocModel.importNavMap(navMap[0])
temp = QDir.toNativeSeparators(QDesktopServices.storageLocation(
QDesktopServices.TempLocation))
# In case we have two copies of Lectern opening the same book.
filename = '{0}-{1}'.format(splitext(basename(path))[0], uuid4())
ebook_info['temp_path'] = join(temp, filename)
if exists(ebook_info['temp_path']):
rmtree(ebook_info['temp_path'])
ebook.extractall(ebook_info['temp_path'])
ebook.close()
ebook_info['index'] = 0
url = join(ebook_info['temp_path'], ebook_info['opf_root'],
ebook_info['chapters'][0])
self.webView.setUrl(QUrl(url))
if len(ebook_info['chapters']) > 1:
self.nextAction.setEnabled(True)
return ebook_info
def prevChapter(self):
index = self.ebook_info['index']
chapters = self.ebook_info['chapters']
if index > 0:
index -= 1
if index == 0:
self.prevAction.setEnabled(False)
url = join(self.ebook_info['temp_path'],
self.ebook_info['opf_root'], chapters[index])
self.webView.setUrl(QUrl(url))
self.ebook_info['index'] = index
self.nextAction.setEnabled(True)
def nextChapter(self):
index = self.ebook_info['index']
chapters = self.ebook_info['chapters']
if index < len(chapters) - 1:
index += 1
if index == len(chapters) - 1:
self.nextAction.setEnabled(False)
url = join(self.ebook_info['temp_path'],
self.ebook_info['opf_root'], chapters[index])
self.webView.setUrl(QUrl(url))
self.ebook_info['index'] = index
self.prevAction.setEnabled(True)
def closeBook(self):
if self.ebook_info is not None and 'temp_path' in self.ebook_info:
if exists(self.ebook_info['temp_path']):
rmtree(self.ebook_info['temp_path'])
self.ebook_info = None
self.tocView.hide()
self.prevAction.setEnabled(False)
self.nextAction.setEnabled(False)
def closeEvent(self, event = 0):
if(event == 0):
event = PyQt4.QtGui.QCloseEvent()
self.closeBook()
super(Lectern, self).closeEvent(event)
# Suppress "cannot make invalid context current" warnings
sys.exit(0)
def navTo(self, index):
navPoint = index.internalPointer()
href = posixpath.join(self.ebook_info['temp_path'],
self.ebook_info['opf_root'], navPoint.src)
try:
path, anchor = href.split('#')
if path == self.webView.url().path():
self.webView.page().mainFrame().scrollToAnchor(anchor)
return
else:
self.anchor = anchor
except ValueError:
pass
url = QUrl.fromEncoded(href)
self.webView.setUrl(url)
def handleLoad(self, ok):
if self.anchor is not None:
self.webView.page().mainFrame().addToJavaScriptWindowObject("app", self);
self.webView.page().mainFrame().scrollToAnchor(self.anchor)
def handleTOCLoad(self, isEmpty):
if isEmpty:
self.tocView.hide()
else:
self.tocView.show()
