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[tree model] add icons for tree item decoration

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Jan Grewe 2020-12-31 17:01:41 +01:00
parent 397f689c1d
commit 2fb4ab96a1
1 changed files with 23 additions and 3 deletions
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26
tree_model.py
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@ -17,7 +17,11 @@ class NixTreeItem():
self._parent_item = parent
self._child_items = []
self._is_loaded = False
@property
def entity_type(self):
return self._node_descriptor.entity_type
def child(self, row):
if row < len(self._child_items):
return self._child_items[row]
@ -52,7 +56,7 @@ class NixTreeItem():
return self._parent_item._child_items.index(self)
return 0
class FileTreeItem(NixTreeItem):
def __init__(self, node_descriptor, file_handler, parent=None):
super().__init__(node_descriptor, file_handler=file_handler, parent=parent)
@ -68,7 +72,6 @@ class FileTreeItem(NixTreeItem):
self._child_items.append(BlockTreeItem(b, self._file_handler, parent=self))
self._is_loaded = True
class BlockTreeItem(NixTreeItem):
def __init__(self, node_descriptor, file_handler, parent=None):
super().__init__(node_descriptor, file_handler, parent=parent)
@ -150,10 +153,22 @@ class TagTreeItem(NixTreeItem):
self._is_loaded = True
class TreeModel(QAbstractItemModel):
def __init__(self, file_handler, parent=None):
super(TreeModel, self).__init__(parent)
nd = ItemDescriptor(file_handler.filename, type="Root item")
self.root_item = FileTreeItem(nd, file_handler, parent=None)
self.type_icons = {NodeType.Block: QIcon("./icons/nix_block_1d.png"),
NodeType.Source: QIcon("./icons/nix_source.png"),
NodeType.DataArray: QIcon("./icons/nix_data_array.png"),
NodeType.Dimension: QIcon("./icons/nix_dimension.png"),
NodeType.DataFrame: QIcon("./icons/nix_data_frame.png"),
NodeType.Section: QIcon("./icons/nix_section.png"),
NodeType.Property: QIcon("./icons/nix_property.png"),
NodeType.Tag: QIcon("./icons/nix_tag.png"),
NodeType.MultiTag: QIcon("./icons/nix_tag.png"),
NodeType.Group: QIcon("./icons/nix_group.png"),
NodeType.Feature: QIcon("./icons/nix_feature.png")}
self.root_item.load_children()
def columnCount(self, parent):
@ -167,6 +182,11 @@ class TreeModel(QAbstractItemModel):
if role == Qt.DisplayRole:
return item.data(index.column())
elif role == Qt.DecorationRole and index.column() == 0:
if item.entity_type in self.type_icons.keys():
return self.type_icons[item.entity_type]
else:
return None
else:
return None