def __init__(self, iface):
"""Constructor for the dialog.
Args:
iface: QgsInterface instance.
"""
QDialog.__init__(self, iface.mainWindow())
self.setupUi(self)
# Settings Tab
# Show the current value of client_id and client_secret
client_id = settings.read('gmeconnector/CLIENT_ID')
client_secret = settings.read('gmeconnector/CLIENT_SECRET')
if client_id is None:
client_id = ''
if client_secret is None:
client_secret = ''
self.lineEdit1.setText(client_id)
self.lineEdit2.setText(client_secret)
# Other settings
self.comboBoxProjects.setEnabled(False)
self.checkBoxDefault.stateChanged.connect(self.comboBoxProjects.setEnabled)
self.comboBoxFormat.addItem('JPEG', 'image/jpeg')
self.comboBoxFormat.addItem('PNG', 'image/png')
defaultFormat = settings.read('gmeconnector/WMS_IMAGE_FORMAT')
if defaultFormat:
defaultIndex = self.comboBoxFormat.findText(defaultFormat)
if defaultIndex != -1:
self.comboBoxFormat.setCurrentIndex(defaultIndex)
self.comboBoxFormat.currentIndexChanged.connect(self.handleFormatChanged)
# OAuth help
oAuthPage = QWebPage()
oAuthPage.setLinkDelegationPolicy(QWebPage.DelegateAllLinks)
self.webViewOAuth.setPage(oAuthPage)
# Load the oauth_help file
helpFile = QFile(':/plugins/googlemapsengineconnector/oauth_help.html')
helpFile.open(QIODevice.ReadOnly | QIODevice.Text)
helpStr = QTextStream(helpFile)
helpText = helpStr.readAll()
self.webViewOAuth.setHtml(helpText)
self.webViewOAuth.linkClicked.connect(self.handleWebLink)
# About Tab
aboutPage = QWebPage()
aboutPage.setLinkDelegationPolicy(QWebPage.DelegateAllLinks)
self.webViewAbout.setPage(aboutPage)
# Load the about.html file and add current version info.
aboutFile = QFile(':/plugins/googlemapsengineconnector/about.html')
aboutFile.open(QIODevice.ReadOnly | QIODevice.Text)
aboutStr = QTextStream(aboutFile)
aboutText = aboutStr.readAll()
newText = aboutText.format(version='1.0')
self.webViewAbout.setHtml(newText)
self.webViewAbout.linkClicked.connect(self.handleWebLink)
def webpageScreenshot(self, html):
"""Take a screenshot of a given html document and return it as a QImage."""
# see http://www.blogs.uni-osnabrueck.de/rotapken/2008/12/03/create-screenshots-of-a-web-page-using-python-and-qtwebkit/
size = self.size()
# size = self.collectionView.page().viewportSize() # seems to be wrongly initialized sometimes...
webpage = QWebPage()
webpage.setLinkDelegationPolicy(QWebPage.DelegateAllLinks)
webpage.setViewportSize(size)
webpage.mainFrame().setHtml(html)
# need to wait for the different elements to have loaded completely
if sys.platform == "linux2":
while QApplication.hasPendingEvents():
QApplication.processEvents()
else:
QApplication.processEvents()
image = QImage(size, QImage.Format_ARGB32)
painter = QPainter(image)
webpage.mainFrame().render(painter)
painter.end()
return image
