kivy: choice_dialog and load_wallet_by_name

gui/kivy/uix/dialogs/choice_dialog.py

@@ -0,0 +1,62 @@
+from kivy.app import App
+from kivy.factory import Factory
+from kivy.properties import ObjectProperty
+from kivy.lang import Builder
+from kivy.uix.checkbox import CheckBox
+from kivy.uix.label import Label
+
+Builder.load_string('''
+<ChoiceDialog@Popup>
+    id: popup
+    title: ''
+    size_hint: 0.8, 0.8
+    pos_hint: {'top':0.9}
+    BoxLayout:
+        orientation: 'vertical'
+        Widget:
+            size_hint: 1, 0.2
+        GridLayout:
+            orientation: 'vertical'
+            id: choices
+            cols: 2
+            size_hint: 1, 0.8
+        Widget:
+            size_hint: 1, 0.8
+        BoxLayout:
+            orientation: 'horizontal'
+            size_hint: 1, 0.5
+            Button:
+                text: 'Cancel'
+                size_hint: 0.5, None
+                height: '48dp'
+                on_release: popup.dismiss()
+            Button:
+                text: 'OK'
+                size_hint: 0.5, None
+                height: '48dp'
+                on_release:
+                    root.callback(popup.value)
+                    popup.dismiss()
+''')
+
+class ChoiceDialog(Factory.Popup):
+
+    def __init__(self, title, choices, value, callback):
+        Factory.Popup.__init__(self)
+        for k in choices:
+            l = Label(text=k)
+            l.height = '48dp'
+            l.size_hint_y = 1
+            cb = CheckBox(group='choices')
+            cb.value = k
+            cb.size_hint_y = 1
+            def f(cb, x):
+                if x: self.value = cb.value
+            cb.bind(active=f)
+            if k == value:
+                cb.active = True
+            self.ids.choices.add_widget(l)
+            self.ids.choices.add_widget(cb)
+        self.callback = callback
+        self.title = title
+        self.value = value