Python QgsApplication.setOverrideCursor方法代码示例

# 需要导入模块: from qgis.core import QgsApplication [as 别名]
# 或者: from qgis.core.QgsApplication import setOverrideCursor [as 别名]
    def getHttp(self, uri, params):
        QgsApplication.setOverrideCursor(Qt.WaitCursor)
        try:
            rq = QUrl(uri)
            q = QUrlQuery()
            for (k, v) in params.items():
                q.addQueryItem(k, v)

            rq.setQuery(q)
            req = QNetworkRequest(rq)

            try:
                reply = self.nominatim_networkAccessManager.blockingGet(req)
                resource = reply.content().data().decode('utf8')
                r = json.loads(resource)

                if (isinstance(r, list)):
                    self.populateTable(r)
                else:
                    self.populateTable([r])
            except:
                self.tableResult.clearContents()

        finally:
            QgsApplication.restoreOverrideCursor()

# 需要导入模块: from qgis.core import QgsApplication [as 别名]
# 或者: from qgis.core.QgsApplication import setOverrideCursor [as 别名]
    def get_contrib(self):
        QgsApplication.setOverrideCursor(QCursor(Qt.WaitCursor))

        try:
            ExtraSources.load_contrib_pack()
            QgsApplication.restoreOverrideCursor()
            info_message = self.tr('Last version of contrib pack was downloaded!')
            QMessageBox.information(self, PluginSettings.product_name(), info_message)
        except:
            QgsApplication.restoreOverrideCursor()
            error_message = self.tr('Error on getting contrib pack: %s %s') % (sys.exc_type, sys.exc_value)
            QMessageBox.critical(self, PluginSettings.product_name(), error_message)

# 需要导入模块: from qgis.core import QgsApplication [as 别名]
# 或者: from qgis.core.QgsApplication import setOverrideCursor [as 别名]
    def insert_line(self):
        layer = self.iface.activeLayer()
        if not isinstance(layer, QgsVectorLayer) or layer.geometryType() != QGis.Line:
            self.iface.messageBar().pushMessage(self.tr("ReconstructLine"),
                                    self.tr("Line can\'t be inserted! Select lines layer for inserting new geom!"),
                                    level=QgsMessageBar.WARNING,
                                    duration=5)
            return

        if not layer.isEditable():
            self.iface.messageBar().pushMessage(self.tr("ReconstructLine"),
                                    self.tr("Line can\'t be inserted! Layer is not editable!"),
                                    level=QgsMessageBar.WARNING,
                                    duration=5)
            return

        if not self._geom_buffer:
            self.iface.messageBar().pushMessage(self.tr("ReconstructLine"),
                        self.tr("Line can\'t be inserted! Copy points first!"),
                        level=QgsMessageBar.WARNING,
                        duration=5)
            return

        #show message
        self.iface.messageBar().clearWidgets()
        self.iface.messageBar().pushMessage(self.tr("ReconstructLine"),
                                            self.tr("Processing points. Please wait..."),
                                            level=QgsMessageBar.INFO
                                            )
        QgsApplication.setOverrideCursor(Qt.WaitCursor)
        QgsApplication.processEvents()
        QgsApplication.processEvents()
        QgsApplication.processEvents()

        try:
            # Create line

            # QGS geoms to np
            points = [(in_geom.x(), in_geom.y()) for in_geom in self._geom_buffer]
            data = np.array(points)

            # Make line
            som = SOM1d(data)
            result = som.connect()

            #np to QGS
            self._geom_buffer = [QgsPoint(out_geom[0], out_geom[1]) for out_geom in result]

            if layer.wkbType() == QGis.WKBMultiLineString:
                geom = QgsGeometry.fromMultiPolyline([self._geom_buffer])
            else:
                geom = QgsGeometry.fromPolyline(self._geom_buffer)

            # Check crs and reproject
            target_crs = layer.crs()
            if target_crs.srsid() != self._srid.srsid():
                transf = QgsCoordinateTransform(self._srid, target_crs)
                geom.transform(transf)

            # Insert feature
            feat = QgsFeature()
            feat.setFields(layer.dataProvider().fields())
            feat.setGeometry(geom)

            suppressForm = QSettings().value("/qgis/digitizing/disable_enter_attribute_values_dialog", type=bool, defaultValue=False)

            if suppressForm:
                # quite insert feature
                result = layer.addFeatures([feat])
            else:
                # show dialog
                QgsApplication.restoreOverrideCursor()
                attrDialog = QgsAttributeDialog(layer, feat, False)
                attrDialog.setIsAddDialog(True)
                result = attrDialog.exec_()

            # show message
            self.iface.messageBar().clearWidgets()
            if result:
                self.iface.messageBar().pushMessage(self.tr("ReconstructLine"),
                                                self.tr("One line was sucesfull added"),
                                                level=QgsMessageBar.INFO)
            else:
                self.iface.messageBar().pushMessage(self.tr("ReconstructLine"),
                                                self.tr("Line was not added"),
                                                level=QgsMessageBar.CRITICAL)

            self.iface.mapCanvas().refresh()
        finally:
            QgsApplication.restoreOverrideCursor()