implemented MDCardSwipe for message swipe delete operation

src/bitmessagekivy/baseclass/addressbook.py

@@ -19,7 +19,7 @@ import state
 
 from bitmessagekivy.baseclass.common import (
     AvatarSampleWidget, avatarImageFirstLetter, toast,
-    ThemeClsColor, 
+    ThemeClsColor, SwipeToDeleteItem
 )
 from bitmessagekivy.baseclass.popup import AddbookDetailPopup
 
@@ -72,28 +72,20 @@ class AddressBook(Screen):
     def set_mdList(self, start_index, end_index):
         """Creating the mdList"""
         for item in self.queryreturn[start_index:end_index]:
-            meny = TwoLineAvatarIconListItem(
+            message_row = SwipeToDeleteItem(
-                text=item[0], secondary_text=item[1], theme_text_color='Custom',
+                text = item[0],
-                text_color=ThemeClsColor)
+            )
-            meny.add_widget(AvatarSampleWidget(
+            listItem = message_row.ids.content
+            listItem.secondary_text = item[1]
+            listItem.theme_text_color = "Custom"
+            listItem.text_color = ThemeClsColor
+            listItem.add_widget(AvatarSampleWidget(
                         source=state.imageDir + '/text_images/{}.png'.format(
                     avatarImageFirstLetter(item[0].strip()))))
-            meny.bind(on_press=partial(
+            listItem.bind(on_release=partial(
-                self.addBook_detail, item[1], item[0]))
+                self.addBook_detail, item[1], item[0], message_row))
-            carousel = Carousel(direction='right')
+            message_row.ids.delete_msg.bind(on_press=partial(self.delete_address, item[1]))
-            carousel.height = meny.height
+            self.ids.ml.add_widget(message_row)
-            carousel.size_hint_y = None
-            carousel.ignore_perpendicular_swipes = True
-            carousel.data_index = 0
-            carousel.min_move = 0.2
-            del_btn = Button(text='Delete')
-            del_btn.background_normal = ''
-            del_btn.background_color = (1, 0, 0, 1)
-            del_btn.bind(on_press=partial(self.delete_address, item[1]))
-            carousel.add_widget(del_btn)
-            carousel.add_widget(meny)
-            carousel.index = 1
-            self.ids.ml.add_widget(carousel)
 
     def check_scroll_y(self, instance, somethingelse):
         """Load data on scroll"""
@@ -117,8 +109,11 @@ class AddressBook(Screen):
         # state.navinstance.ids.sc11.loadAddresslist(None, 'All', '')
 
     # @staticmethod
-    def addBook_detail(self, address, label, *args):
+    def addBook_detail(self, address, label, instance, *args):
         """Addressbook details"""
+        if instance.state == 'closed':
+            instance.ids.delete_msg.disabled = True
+            if instance.open_progress == 0.0:
                 obj = AddbookDetailPopup()
                 self.address_label = obj.address_label = label
                 self.address = obj.address = address
@@ -145,6 +140,8 @@ class AddressBook(Screen):
                 # self.addbook_popup.set_normal_height()
                 self.addbook_popup.auto_dismiss = False
                 self.addbook_popup.open()
+        else:
+            instance.ids.delete_msg.disabled = False
 
     def delete_address(self, address, instance, *args):
         """Delete inbox mail from inbox listing"""

src/bitmessagekivy/baseclass/allmail.py

@@ -18,7 +18,8 @@ import state
 
 from bitmessagekivy.baseclass.common import (
     showLimitedCnt, toast, ThemeClsColor,
-    chipTag, avatarImageFirstLetter, AddTimeWidget, AvatarSampleWidget
+    chipTag, avatarImageFirstLetter, AddTimeWidget,
+    AvatarSampleWidget, SwipeToDeleteItem
 )
 from bitmessagekivy.baseclass.maildetail import MailDetail
 from bitmessagekivy.baseclass.trash import Trash
@@ -94,36 +95,27 @@ class Allmails(Screen):
         for item in self.all_mails:
             body = item[3].decode() if isinstance(item[3], bytes) else item[3]
             subject = item[2].decode() if isinstance(item[2], bytes) else item[2]
-            meny = TwoLineAvatarIconListItem(
+            message_row = SwipeToDeleteItem(
-                text=item[1],
+                text = item[1],
-                secondary_text=(subject[:50] + '........' if len(
+            )
+            listItem = message_row.ids.content
+            secondary_text = (subject[:50] + '........' if len(
                 subject) >= 50 else (
-                        subject + ',' + body)[0:50] + '........').replace('\t', '').replace('  ', ''),
+                    subject + ',' + body)[0:50] + '........').replace('\t', '').replace('  ', '')
-                theme_text_color='Custom',
+            listItem.secondary_text = secondary_text
-                text_color=ThemeClsColor)
+            listItem.theme_text_color = "Custom"
-            meny._txt_right_pad = dp(70)
+            listItem.text_color = ThemeClsColor
-            meny.add_widget(AvatarSampleWidget(
+
+            listItem.add_widget(AvatarSampleWidget(
                 source=state.imageDir + '/text_images/{}.png'.format(
                     avatarImageFirstLetter(body.strip()))))
-            meny.bind(on_press=partial(
+            listItem.bind(on_release=partial(
-                self.mail_detail, item[5], item[4]))
+                self.mail_detail, item[5], item[4], message_row))
-            meny.add_widget(AddTimeWidget(item[7]))
+            listItem.add_widget(AddTimeWidget(item[7]))
-            meny.add_widget(chipTag(item[4]))
+            listItem.add_widget(chipTag(item[4]))
-            carousel = Carousel(direction='right')
+            message_row.ids.delete_msg.bind(on_press=partial(
-            carousel.height = meny.height
-            carousel.size_hint_y = None
-            carousel.ignore_perpendicular_swipes = True
-            carousel.data_index = 0
-            carousel.min_move = 0.2
-            del_btn = Button(text='Delete')
-            del_btn.background_normal = ''
-            del_btn.background_color = (1, 0, 0, 1)
-            del_btn.bind(on_press=partial(
                 self.swipe_delete, item[5], item[4]))
-            carousel.add_widget(del_btn)
+            self.ids.ml.add_widget(message_row)
-            carousel.add_widget(meny)
-            carousel.index = 1
-            self.ids.ml.add_widget(carousel)
         updated_data = len(self.ids.ml.children)
         self.has_refreshed = True if data_exist != updated_data else False
 
@@ -140,8 +132,11 @@ class Allmails(Screen):
         self.allMessageQuery(load_more, 5)
         self.set_mdlist()
 
-    def mail_detail(self, unique_id, folder, *args):
+    def mail_detail(self, unique_id, folder, instance, *args):
         """Load sent and inbox mail details"""
+        if instance.state == 'closed':
+            instance.ids.delete_msg.disabled = True
+            if instance.open_progress == 0.0:
                 state.detailPageType = folder
                 state.is_allmail = True
                 state.mail_id = unique_id
@@ -152,6 +147,8 @@ class Allmails(Screen):
                 src_mng_obj.screens[11].clear_widgets()
                 src_mng_obj.screens[11].add_widget(MailDetail())
                 src_mng_obj.current = 'mailDetail'
+        else:
+            instance.ids.delete_msg.disabled = False
 
     def swipe_delete(self, unique_id, folder, instance, *args):
         """Delete inbox mail from all mail listing"""

src/bitmessagekivy/baseclass/common.py

@@ -13,7 +13,12 @@ from kivymd.uix.list import (
 from kivy.uix.image import Image
 from kivymd.uix.label import MDLabel
 from bitmessagekivy.get_platform import platform
+from kivymd.uix.card import MDCardSwipe
 from kivymd.uix.chip import MDChip
+from kivy.properties import (
+    NumericProperty,
+    StringProperty
+)
 
 
 ThemeClsColor = [0.12, 0.58, 0.95, 1]
@@ -127,3 +132,10 @@ class AvatarSampleWidget(ILeftBody, Image):
 class TimeTagRightSampleWidget(IRightBodyTouch, MDLabel):
     """TimeTagRightSampleWidget class for Ui"""
 
+
+class SwipeToDeleteItem(MDCardSwipe):
+    text = StringProperty()
+    # cla = Window.size[0]/2
+    cla = 800
+    swipe_distance = NumericProperty(cla)
+    opening_time = NumericProperty(0.5)

src/bitmessagekivy/baseclass/draft.py

@@ -21,7 +21,8 @@ import state
 
 from bitmessagekivy.baseclass.common import (
     showLimitedCnt, toast, ThemeClsColor,
-    AddTimeWidget, AvatarSampleWidget
+    AddTimeWidget, AvatarSampleWidget,
+    SwipeToDeleteItem
 )
 from bitmessagekivy.baseclass.maildetail import MailDetail
 
@@ -101,30 +102,21 @@ class Draft(Screen):
                             third_text) > 25 else third_text,
                 'ackdata': mail[5], 'senttime': mail[6]})
         for item in data:
-            meny = TwoLineAvatarIconListItem(
+            message_row = SwipeToDeleteItem(
-                text='Draft', secondary_text=item['text'],
+                text = 'Draft',
-                theme_text_color='Custom',
+            )
-                text_color=ThemeClsColor)
+            listItem = message_row.ids.content
-            meny._txt_right_pad = dp(70)
+            listItem.secondary_text = item["text"]
-            meny.add_widget(AvatarSampleWidget(
+            listItem.theme_text_color = "Custom"
+            listItem.text_color = ThemeClsColor
+            # meny._txt_right_pad = dp(70)
+            listItem.add_widget(AvatarSampleWidget(
                 source=state.imageDir + '/avatar.png'))
-            meny.bind(on_press=partial(
+            listItem.bind(on_release=partial(
-                self.draft_detail, item['ackdata']))
+                self.draft_detail, item['ackdata'], message_row))
-            meny.add_widget(AddTimeWidget(item['senttime']))
+            listItem.add_widget(AddTimeWidget(item['senttime']))
-            carousel = Carousel(direction='right')
+            message_row.ids.delete_msg.bind(on_press=partial(self.delete_draft, item['ackdata']))
-            carousel.height = meny.height
+            self.ids.ml.add_widget(message_row)
-            carousel.size_hint_y = None
-            carousel.ignore_perpendicular_swipes = True
-            carousel.data_index = 0
-            carousel.min_move = 0.2
-            del_btn = Button(text='Delete')
-            del_btn.background_normal = ''
-            del_btn.background_color = (1, 0, 0, 1)
-            del_btn.bind(on_press=partial(self.delete_draft, item['ackdata']))
-            carousel.add_widget(del_btn)
-            carousel.add_widget(meny)
-            carousel.index = 1
-            self.ids.ml.add_widget(carousel)
         updated_msg = len(self.ids.ml.children)
         self.has_refreshed = True if total_draft_msg != updated_msg else False
 
@@ -140,8 +132,11 @@ class Draft(Screen):
         self.draftDataQuery('fromaddress', where, what, total_draft_msg, 5)
         self.set_mdList()
 
-    def draft_detail(self, ackdata, *args):
+    def draft_detail(self, ackdata, instance, *args):
         """Show draft Details"""
+        if instance.state == 'closed':
+            instance.ids.delete_msg.disabled = True
+            if instance.open_progress == 0.0:
                 state.detailPageType = 'draft'
                 state.mail_id = ackdata
                 if self.manager:
@@ -151,6 +146,8 @@ class Draft(Screen):
                 src_mng_obj.screens[11].clear_widgets()
                 src_mng_obj.screens[11].add_widget(MailDetail())
                 src_mng_obj.current = 'mailDetail'
+        else:
+            instance.ids.delete_msg.disabled = False
 
     def delete_draft(self, data_index, instance, *args):
         """Delete draft message permanently"""

src/bitmessagekivy/baseclass/inbox.py

@@ -20,7 +20,8 @@ import state
 
 from bitmessagekivy.baseclass.common import (
     showLimitedCnt, avatarImageFirstLetter,
-    AddTimeWidget, ThemeClsColor, AvatarSampleWidget, toast
+    AddTimeWidget, ThemeClsColor, AvatarSampleWidget,
+    toast, SwipeToDeleteItem
 )
 from bitmessagekivy.baseclass.maildetail import MailDetail
 from bitmessagekivy.baseclass.trash import Trash
@@ -122,40 +123,25 @@ class Inbox(Screen):
         """This method is used to create the mdList"""
         total_message = len(self.ids.ml.children)
         for item in data:
-            meny = TwoLineAvatarIconListItem(
+            message_row = SwipeToDeleteItem(
-                text=item["text"],
+                text = item["text"],
-                secondary_text=item["secondary_text"],
-                theme_text_color="Custom",
-                text_color=ThemeClsColor
             )
-            meny._txt_right_pad = dp(70)
+            listItem = message_row.ids.content
-            meny.add_widget(
+            listItem.secondary_text = item["secondary_text"]
+            listItem.theme_text_color = "Custom"
+            listItem.text_color = ThemeClsColor
+            listItem._txt_right_pad = dp(70)
+            listItem.add_widget(
                 AvatarSampleWidget(
                     source=state.imageDir + "/text_images/{}.png".format(
                         avatarImageFirstLetter(item["secondary_text"].strip())
                     )
                 )
             )
-            meny.bind(on_press=partial(self.inbox_detail, item["msgid"]))
+            listItem.bind(on_release=partial(self.inbox_detail, item["msgid"], message_row))
-            meny.add_widget(AddTimeWidget(item["received"]))
+            listItem.add_widget(AddTimeWidget(item["received"]))
-            carousel = Carousel(direction="right")
+            message_row.ids.delete_msg.bind(on_press=partial(self.delete, item["msgid"]))
-            carousel.height = meny.height
+            self.ids.ml.add_widget(message_row)
-            carousel.size_hint_y = None
-            carousel.ignore_perpendicular_swipes = True
-            carousel.data_index = 0
-            carousel.min_move = 0.2
-            del_btn = Button(text="Delete")
-            del_btn.background_normal = ""
-            del_btn.background_color = (1, 0, 0, 1)
-            del_btn.bind(on_press=partial(self.delete, item["msgid"]))
-            carousel.add_widget(del_btn)
-            carousel.add_widget(meny)
-            # ach_btn = Button(text='Achieve')
-            # ach_btn.background_color = (0, 1, 0, 1)
-            # ach_btn.bind(on_press=partial(self.archive, item['msgid']))
-            # carousel.add_widget(ach_btn)
-            carousel.index = 1
-            self.ids.ml.add_widget(carousel)
         update_message = len(self.ids.ml.children)
         self.has_refreshed = True if total_message != update_message else False
 
@@ -189,8 +175,11 @@ class Inbox(Screen):
             )
         self.set_mdList(data)
 
-    def inbox_detail(self, msg_id, *args):
+    def inbox_detail(self, msg_id, instance,*args):
         """Load inbox page details"""
+        if instance.state == 'closed':
+            instance.ids.delete_msg.disabled = True
+            if instance.open_progress == 0.0:
                 state.detailPageType = "inbox"
                 state.mail_id = msg_id
                 if self.manager:
@@ -200,6 +189,8 @@ class Inbox(Screen):
                 src_mng_obj.screens[11].clear_widgets()
                 src_mng_obj.screens[11].add_widget(MailDetail())
                 src_mng_obj.current = "mailDetail"
+        else:
+            instance.ids.delete_msg.disabled = False
 
     def delete(self, data_index, instance, *args):
         """Delete inbox mail from inbox listing"""

src/bitmessagekivy/baseclass/sent.py

@@ -19,7 +19,7 @@ import state
 
 from bitmessagekivy.baseclass.common import (
     showLimitedCnt, ThemeClsColor, avatarImageFirstLetter,
-    AddTimeWidget, AvatarSampleWidget, toast
+    AddTimeWidget, AvatarSampleWidget, toast, SwipeToDeleteItem
 )
 from bitmessagekivy.baseclass.maildetail import MailDetail
 
@@ -96,34 +96,22 @@ class Sent(Screen):
         """This method is used to create the mdList"""
         total_sent_msg = len(self.ids.ml.children)
         for item in data:
-            meny = TwoLineAvatarIconListItem(
+            message_row = SwipeToDeleteItem(
-                text=item['text'], secondary_text=item['secondary_text'],
+                text = item["text"],
-                theme_text_color='Custom',
+            )
-                text_color=ThemeClsColor)
+            listItem = message_row.ids.content
-            meny._txt_right_pad = dp(70)
+            listItem.secondary_text = item["secondary_text"]
-            meny.add_widget(AvatarSampleWidget(
+            listItem.theme_text_color = "Custom"
+            listItem.text_color = ThemeClsColor
+            listItem.add_widget(AvatarSampleWidget(
                 source=state.imageDir + '/text_images/{}.png'.format(
                     avatarImageFirstLetter(item['secondary_text'].strip()))))
-            meny.bind(on_press=partial(self.sent_detail, item['ackdata']))
+
-            meny.add_widget(AddTimeWidget(item['senttime']))
+            listItem.bind(on_release=partial(self.sent_detail, item['ackdata'], message_row))
-            carousel = Carousel(direction='right')
+            listItem.add_widget(AddTimeWidget(item['senttime']))
-            carousel.height = meny.height
+            message_row.ids.delete_msg.bind(on_press=partial(self.delete, item["ackdata"]))
-            carousel.size_hint_y = None
+            self.ids.ml.add_widget(message_row, index=set_index)
-            carousel.ignore_perpendicular_swipes = True
+
-            carousel.data_index = 0
-            carousel.min_move = 0.2
-            del_btn = Button(text='Delete')
-            del_btn.background_normal = ''
-            del_btn.background_color = (1, 0, 0, 1)
-            del_btn.bind(on_press=partial(self.delete, item['ackdata']))
-            carousel.add_widget(del_btn)
-            carousel.add_widget(meny)
-            # ach_btn = Button(text='Achieve')
-            # ach_btn.background_color = (0, 1, 0, 1)
-            # ach_btn.bind(on_press=partial(self.archive, item['ackdata']))
-            # carousel.add_widget(ach_btn)
-            carousel.index = 1
-            self.ids.ml.add_widget(carousel, index=set_index)
         updated_msgs = len(self.ids.ml.children)
         self.has_refreshed = True if total_sent_msg != updated_msgs else False
 
@@ -195,8 +183,11 @@ class Sent(Screen):
         else:
             src_mng_obj.ids.badge_txt.text = '0'
 
-    def sent_detail(self, ackdata, *args):
+    def sent_detail(self, ackdata, instance, *args):
         """Load sent mail details"""
+        if instance.state == 'closed':
+            instance.ids.delete_msg.disabled = True
+            if instance.open_progress == 0.0:
                 state.detailPageType = 'sent'
                 state.mail_id = ackdata
                 if self.manager:
@@ -206,6 +197,8 @@ class Sent(Screen):
                 src_mng_obj.screens[11].clear_widgets()
                 src_mng_obj.screens[11].add_widget(MailDetail())
                 src_mng_obj.current = 'mailDetail'
+        else:
+            instance.ids.delete_msg.disabled = False
 
     def delete(self, data_index, instance, *args):
         """Delete sent mail from sent mail listing"""

src/bitmessagekivy/baseclass/trash.py

@@ -25,7 +25,7 @@ from bitmessagekivy.baseclass.common import (
 
 from bitmessagekivy.baseclass.common import (
     toast, showLimitedCnt, ThemeClsColor, chipTag,
-    AddTimeWidget, AvatarSampleWidget
+    AddTimeWidget, AvatarSampleWidget, SwipeToDeleteItem
 )
 
 
@@ -92,36 +92,33 @@ class Trash(Screen):
         for item in self.trash_messages:
             subject = item[2].decode() if isinstance(item[2], bytes) else item[2]
             body = item[3].decode() if isinstance(item[3], bytes) else item[3]
-            meny = TwoLineAvatarIconListItem(
+            message_row = SwipeToDeleteItem(
-                text=item[1],
+                text = item[1],
-                secondary_text=(item[2][:50] + '........' if len(
+            )
-                    subject) >= 50 else (subject + ',' + body)[0:50] + '........').replace('\t', '').replace('  ', ''),
+            message_row.bind(on_swipe_complete=partial(self.on_swipe_complete, message_row))
-                theme_text_color='Custom',
+            listItem = message_row.ids.content
-                text_color=ThemeClsColor)
+            listItem.secondary_text = (item[2][:50] + '........' if len(
-            meny._txt_right_pad = dp(70)
+                subject) >= 50 else (subject + ',' + body)[0:50] + '........').replace('\t', '').replace('  ', '')
+            listItem.theme_text_color = "Custom"
+            listItem.text_color = ThemeClsColor
+            # meny._txt_right_pad = dp(70)
             img_latter = state.imageDir + '/text_images/{}.png'.format(
                 subject[0].upper() if (subject[0].upper() >= 'A' and subject[0].upper() <= 'Z') else '!')
-            meny.add_widget(AvatarSampleWidget(source=img_latter))
+            listItem.add_widget(AvatarSampleWidget(source=img_latter))
-            meny.add_widget(AddTimeWidget(item[7]))
+            listItem.add_widget(AddTimeWidget(item[7]))
-            meny.add_widget(chipTag('inbox 'if 'inbox' in item[4] else 'sent'))
+            listItem.add_widget(chipTag('inbox 'if 'inbox' in item[4] else 'sent'))
-            carousel = Carousel(direction='right')
+            message_row.ids.delete_msg.bind(on_press=partial(
-            carousel.height = meny.height
-            carousel.size_hint_y = None
-            carousel.ignore_perpendicular_swipes = True
-            carousel.data_index = 0
-            carousel.min_move = 0.2
-            del_btn = Button(text='Delete')
-            del_btn.background_normal = ''
-            del_btn.background_color = (1, 0, 0, 1)
-            del_btn.bind(on_press=partial(
                                             self.delete_permanently, item[5], item[4]))
-            carousel.add_widget(del_btn)
+            self.ids.ml.add_widget(message_row)
-            carousel.add_widget(meny)
-            carousel.index = 1
-            self.ids.ml.add_widget(carousel)
         self.has_refreshed = True if total_trash_msg != len(
             self.ids.ml.children) else False
 
+    def on_swipe_complete(self, instance, *args):
+        if instance.state == 'closed':
+            instance.ids.delete_msg.disabled = True
+        else:
+            instance.ids.delete_msg.disabled = False
+
     def check_scroll_y(self, instance, somethingelse):
         """Load data on scroll"""
         if self.ids.scroll_y.scroll_y <= -0.0 and self.has_refreshed:

src/bitmessagekivy/main.kv

@@ -342,3 +342,24 @@ MDNavigationLayout:
         on_press: app.root.ids.scr_mngr.current = 'create'
         on_press: app.clear_composer()
 
+
+<SwipeToDeleteItem>:
+    size_hint_y: None
+    height: content.height
+
+    MDCardSwipeLayerBox:
+        padding: "8dp"
+
+        MDIconButton:
+            id: delete_msg
+            icon: "trash-can"
+            pos_hint: {"center_y": .5}
+            md_bg_color: (1, 0, 0, 1)
+            disabled: True
+
+    MDCardSwipeFrontBox:
+
+        TwoLineAvatarIconListItem:
+            id: content
+            text: root.text
+            _no_ripple_effect: True