On Tue, Sep 11, 2018 at 4:50 AM likage <dissidia....@gmail.com> wrote:
> Got it, many thanks for it, Justin!
>
> I have another question, the following is the working code:
> class MyModel(QtGui.QStandardItemModel):
> def __init__(self, parent=None):
> super(MyModel, self).__init__(parent)
> self.get_contents()
> self.assets_column = 0
>
> def get_contents(self):
> self.clear()
> contents = [
> '|Base|character|Mike|body',
> '|Base|character|John',
> '|Base|camera'
> ]
>
> base_grp_icon = QtGui.QIcon('/user_data/base_grp_icon.png') # For
> |Base
> char_grp_icon = .QIcon('/user_data/char_grp_icon.png') # For
> |Base|character
> char_icon = .QIcon('/user_data/char_icon.png') # For
> |Base|character|John
> cam_icon = QtGui.QIcon('/user_data/cam_icon.png') # For
> |Base|camera
>
> for content in contents:
> parent = self.invisibleRootItem()
>
>
> # content here will be `|Base|character|Mike|body` instead of
> it iterating each and every item in that path
> # node_type = cmds.nodeType(content)
> # if node_type == "baseMain":
> # icon = base_grp_icon
> # if node_type == "charGrp":
> # icon = char_grp_icon
> # if node_type == "charMain":
> # icon = char_icon
> # if node_type == "camMain":
> # icon = cam_icon
>
>
> for word in content.split("|")[1:]:
> child_items = [parent.child(i) for i in
> range(parent.rowCount())]
> for item in child_items:
> if item.text() == word:
> it = item
> break
> else:
> it = QtGui.QStandardItem(word)
> parent.setChild(parent.rowCount(), it)
> parent = it
>
>
> If I had wanted to append icons for each row, what is the best way that I
> can do?
> Those paths that you have seen in the code, are custom node types and if I
> do `cmds.nodeType` as seen in that commented code portion, I will only be
> able to iterate it based on the items found within the `contents` instead
> of every item within...
>
If I understand correctly, you already know how to set the icon, but you
are asking how to find these items in the hierarchy at a later point? Just
to save a round trip in case you are asking about icons, you would want to
use setIcon() on the first column item in each row.
For the part about navigating your tree hierarchy, what you can do is save
the maya path as data, and then search on this data later:
http://doc.qt.io/archives/qt-4.8/qabstractitemmodel.html#match
# Class variable
MayaPath = QtCore.Qt.UserRole+1
# Save the maya path as a custom data role
it = QtGui.QStandardItem(word)
it.setData(content, self.MayaPath)
# Find items later by the maya path
idxs = self.match(
self.index(0,0),
self.MayaPath,
content,
flags=QtCore.Qt.MatchRecursive,
)if not idxs:
# not found
it = self.itemFromIndex(idxs[0])
it.setIcon(...)
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