Add test/example for Genlist tree

examples/elementary/test.py

@@ -172,6 +172,7 @@ items = [
     ("Lists - Genlist", [
         ("Genlist 1", "test_genlist_1", "test_genlist_1"),
         ("Genlist 2", "test_genlist_2", "test_genlist_2"),
+        ("Genlist Tree", "test_genlist_tree", "test_genlist_tree"),
         ("Genlist Group", "test_genlist_group", "test_genlist_group"),
         ("Genlist Sorted", "test_genlist_sorted", "test_genlist_sorted"),
         ("Genlist Iteration", "test_genlist_iteration", "test_genlist_iteration"),

examples/elementary/test_genlist_tree.py

@@ -0,0 +1,97 @@
+#!/usr/bin/env python
+# encoding: utf-8
+
+import os
+
+from efl.evas import EXPAND_BOTH, FILL_BOTH, EXPAND_HORIZ, FILL_HORIZ
+from efl import elementary as elm
+from efl.elementary import StandardWindow, Box, Check, Icon, Frame, \
+    Genlist, GenlistItemClass, ELM_GENLIST_ITEM_TREE
+
+
+script_path = os.path.dirname(os.path.abspath(__file__))
+img_path = os.path.join(script_path, "images")
+
+
+class MyItemClass(GenlistItemClass):
+    def __init__(self):
+        GenlistItemClass.__init__(self, item_style="tree_effect")
+
+    def text_get(self, obj, part, item_data):
+        return "Item # %i" % item_data
+
+    def content_get(self, obj, part, item_data):
+        if part == 'elm.swallow.icon':
+            ic = Icon(obj, file=os.path.join(img_path, "logo_small.png"))
+            return ic
+
+itc = MyItemClass()
+
+
+# list callbacks
+def list_expand_request_cb(gl, gli):
+    gli.expanded = True
+
+def list_contract_request_cb(gl, gli):
+    gli.expanded = False
+
+def list_expanded_cb(gl, gli):
+    start = gli.data * 10
+    for i in range(start, start + 30):
+        gl.item_append(itc, i, gli, flags=ELM_GENLIST_ITEM_TREE)
+
+def list_contracted_cb(gl, gli):
+    gli.subitems_clear()
+
+
+def test_genlist_tree(parent):
+    win = StandardWindow("Genlist", "Genlist Tree",
+                         size=(320, 320), autodel=True)
+
+    # vertical box + options frame
+    box = Box(win, size_hint_expand=EXPAND_BOTH)
+    win.resize_object_add(box)
+    box.show()
+
+    fr = Frame(win, text='Genlist Tree Options',
+               size_hint_expand=EXPAND_HORIZ, size_hint_fill=FILL_HORIZ)
+    box.pack_end(fr)
+    fr.show()
+
+    hbox = Box(win, horizontal=True, homogeneous=True,
+               size_hint_expand=EXPAND_HORIZ, size_hint_fill=FILL_HORIZ)
+    fr.content = hbox
+    hbox.show()
+
+    # Genlist
+    gl = Genlist(win, size_hint_weight=EXPAND_BOTH, size_hint_align=FILL_BOTH)
+    gl.callback_expand_request_add(list_expand_request_cb)
+    gl.callback_contract_request_add(list_contract_request_cb)
+    gl.callback_expanded_add(list_expanded_cb)
+    gl.callback_contracted_add(list_contracted_cb)
+    box.pack_end(gl)
+    gl.show()
+
+    gl.item_append(itc, 1, flags=ELM_GENLIST_ITEM_TREE)
+    gl.item_append(itc, 2, flags=ELM_GENLIST_ITEM_TREE)
+    gl.item_append(itc, 3)
+
+    # option buttons
+    ck = Check(win, text='Tree Effect')
+    ck.callback_changed_add(lambda c: setattr(gl, "tree_effect_enabled", c.state))
+    hbox.pack_end(ck)
+    ck.show()
+
+    ck = Check(win, text='Homogeneous')
+    ck.callback_changed_add(lambda c: setattr(gl, "homogeneous", c.state))
+    hbox.pack_end(ck)
+    ck.show()
+
+    # show the window
+    win.show()
+
+
+if __name__ == "__main__":
+    elm.policy_set(elm.ELM_POLICY_QUIT, elm.ELM_POLICY_QUIT_LAST_WINDOW_CLOSED)
+    test_genlist_tree(None)
+    elm.run()