def primaryDEMChanged(self, layerId):
tree = self.ui.treeWidget
parent = tree.topLevelItem(ObjectTreeItem.topItemIndex(ObjectTreeItem.ITEM_OPTDEM))
tree.blockSignals(True)
for i in range(parent.childCount()):
item = parent.child(i)
isPrimary = item.data(0, Qt.UserRole) == layerId
item.setDisabled(isPrimary)
tree.blockSignals(False)
def currentTemplateChanged(self, index=None):
cbox = self.ui.comboBox_Template
templateType = cbox.itemData(cbox.currentIndex(), Qt.UserRole)
if templateType == self.templateType:
return
# hide items unsupported by template
tree = self.ui.treeWidget
for i, id in enumerate(ObjectTreeItem.topItemIds):
hidden = templateType == "sphere" and id != ObjectTreeItem.ITEM_CONTROLS
tree.topLevelItem(i).setHidden(hidden)
# set current tree item
if templateType == "sphere":
tree.setCurrentItem(tree.topLevelItem(ObjectTreeItem.topItemIndex(ObjectTreeItem.ITEM_CONTROLS)))
elif self.lastTreeItemData is None or not self.setCurrentTreeItemByData(
self.lastTreeItemData
): # restore selection
tree.setCurrentItem(
tree.topLevelItem(ObjectTreeItem.topItemIndex(ObjectTreeItem.ITEM_DEM))
) # default selection for plain is DEM
# display messages
self.clearMessageBar()
if templateType != "sphere":
# show message if crs unit is degrees
mapSettings = (
self.iface.mapCanvas().mapSettings()
if QGis.QGIS_VERSION_INT >= 20300
else self.iface.mapCanvas().mapRenderer()
)
if mapSettings.destinationCrs().mapUnits() in [QGis.Degrees]:
self.showMessageBar(
"The unit of current CRS is degrees, so terrain may not appear well.", QgsMessageBar.WARNING
)
self.templateType = templateType
