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e‡8Hc @ so d Z d k Z d k Z d e i f d „ ƒ YZ d e i f d „ ƒ YZ d „ Z e d j o e ƒ n d S( s› Tree View/Generic Tree Model
This test is designed to demonstrate creating a new type of tree model
in python for use with the new tree widget in gtk 2.0.Nt MyTreeModelc B s t Z d Z d Z d Z d „ Z d „ Z d „ Z d „ Z d „ Z d „ Z
d „ Z d
„ Z d „ Z
d „ Z d
„ Z d „ Z d „ Z RS( s1 This class represents the model of a tree. The iterators used
to represent positions are converted to python objects when passed
to the on_* methods. This means you can use any python object to
represent a node in the tree. The None object represents a NULL
iterator.
In this tree, we use simple tuples to represent nodes, which also
happen to be the tree paths for those nodes. This model is a tree
of depth 3 with 5 nodes at each level of the tree. The values in
the tree are just the string representations of the nodes.i i c C s t i i | ƒ d S( sK constructor for the model. Make sure you call
PyTreeModel.__init__N( t gtkt GenericTreeModelt __init__t self( R ( ( t' /usr/lib64/pygtk/2.0/demos/treemodel.pyR s c C s d S( s? returns the GtkTreeModelFlags for this particular type of modeli N( ( R ( ( R t on_get_flags s c C s d S( s* returns the number of columns in the modeli N( ( R ( ( R t on_get_n_columns# s c C s t i S( s) returns the type of a column in the modelN( t gobjectt TYPE_STRING( R t index( ( R t on_get_column_type& s c C s | S( s^ returns the tree path(a tuple of indices at the various
levels) for a particular node.N( t node( R R ( ( R t on_get_path) s c C s | S( s\ returns the node corresponding to the given path. In our
case, the node is the pathN( t path( R R ( ( R t on_get_iter- s c C s | d j p t ‚ |
S( s< returns the value stored in a particular column for the nodei N( t columnt AssertionErrorR ( R R R ( ( R t on_get_value1 s c C sL | d j o; | d | i d j o d Sn | d | d d f Sn d S( s/ returns the next node at this level of the treeiÿÿÿÿi N( R t NoneR t
TREE_SIBLINGS( R R ( ( R t on_iter_next5 s
c C s; | d j o d Sn t | ƒ | i j o d Sn | d S( s$ returns the first child of this nodei N( i ( i ( R R t lenR t
TREE_DEPTH( R R ( ( R t on_iter_children; s
c C s | d j p t | ƒ | i j S( s& returns true if this node has childrenN( R R R R R ( R R ( ( R t on_iter_has_childB s c C s6 | d j p t | ƒ | i j o | i Sn d Sd S( s+ returns the number of children of this nodei N( R R R R R R ( R R ( ( R t on_iter_n_childrenE s # c C sU | d j o | f Sn t | ƒ | i j o | | i j o | | f Sn d Sd S( s" returns the nth child of this nodeN( R R t nR R R R ( R R R ( ( R t on_iter_nth_childK s
&c C s; | d j p t ‚ t | ƒ d j o d Sn | d Sd S( s returns the parent of this nodei iÿÿÿÿN( R R R R ( R R ( ( R t on_iter_parentS s
( t __name__t
__module__t __doc__R R R R R R R
R R R R R R R R ( ( ( R R s
t GenericTreeModelDemoc B s t Z d d „ Z RS( Nc C s t i i | ƒ y | i | i ƒ ƒ Wn& t j
o | i d d „ ƒ n X| i | i
i ƒ t i ƒ } | i t i t i ƒ | i | ƒ t ƒ } | i ƒ } t i | ƒ } t i ƒ } t i d | d d ƒ} | i | ƒ | i | ƒ | i ƒ d S( Nt destroyc G s
t i ƒ S( N( R t main_quit( t w( ( R t <lambda>a s t tuplest texti ( R t WindowR R t
set_screent parentt
get_screent AttributeErrort connectt set_titlet __class__R t ScrolledWindowt scrolled_windowt
set_policyt POLICY_AUTOMATICt addR t modelt
filter_newt TreeViewt tree_viewt CellRendererTextt cellt TreeViewColumnR t
append_columnt show_all( R R* R: R R1 R8 R5 ( ( R R \ s"
( R R R R ( ( ( R R! [ s c C s t ƒ t i ƒ d S( N( R! R t main( ( ( R R> s s t __main__( R R R R R R( R! R> R ( R! R R R R> ( ( R t ? s O