Dialogs & Overlays

class BaseDialog:
    """
    Base class for dialog implementations.
    
    Foundation class providing common dialog functionality and styling.
    """
    auto_dismiss: bool  # Dismiss dialog when touching outside
    
    def open(self):
        """Open the dialog."""
        
    def dismiss(self):
        """Close the dialog."""

class MDDialog:
    """
    Material Design dialog.
    
    Modal dialog for displaying focused content, confirmations, or forms
    with Material Design styling and animations.
    """
    # Content
    title: str  # Dialog title text
    text: str   # Dialog body text
    buttons: list  # List of dialog action buttons
    items: list    # List of dialog items (alternative to text)
    
    # Visual styling
    md_bg_color: str | list  # Background color
    elevation: float  # Dialog elevation
    radius: list     # Corner radius
    
    # Sizing and positioning
    size_hint: tuple  # Dialog size hint
    auto_dismiss: bool  # Auto dismiss on outside touch
    
    # Callbacks
    def on_open(self):
        """Called when dialog opens."""
        
    def on_dismiss(self):
        """Called when dialog is dismissed."""

class MDBottomSheet:
    """
    Base Material Design bottom sheet.
    
    Container that slides up from the bottom of the screen to display
    additional content or actions.
    """
    animation: bool  # Enable open/close animations
    duration_opening: float  # Opening animation duration
    duration_closing: float  # Closing animation duration
    
    # Behavior
    auto_dismiss: bool  # Auto dismiss when touching outside
    
    def open(self):
        """Open the bottom sheet."""
        
    def dismiss(self):
        """Close the bottom sheet."""

class MDCustomBottomSheet:
    """
    Custom Material Design bottom sheet.
    
    Bottom sheet with custom content that can contain any widgets.
    """
    screen: object  # Screen content to display
    
class MDListBottomSheet:
    """
    List-style Material Design bottom sheet.
    
    Bottom sheet that displays a list of selectable items.
    """
    sheet_list: list  # List of sheet items
    
    def add_item(self, text: str, callback=None):
        """
        Add item to bottom sheet.
        
        Args:
            text (str): Item text
            callback: Function to call when item is selected
        """

class MDGridBottomSheet:
    """
    Grid-style Material Design bottom sheet.
    
    Bottom sheet that displays items in a grid layout.
    """
    sheet_list: list  # List of sheet items with icons
    
class GridBottomSheetItem:
    """
    Grid item for grid bottom sheet.
    
    Individual item in a grid bottom sheet with icon and text.
    """
    text: str  # Item text
    icon: str  # Item icon from md_icons
    
    def on_release(self):
        """Called when item is selected."""

class MDDropdownMenu:
    """
    Material Design dropdown menu.
    
    Floating menu that appears below or above its caller, containing
    a list of selectable actions or options.
    """
    # Menu items
    items: list  # List of menu items: [{"text": "...", "icon": "...", "on_release": callback}, ...]
    
    # Positioning
    caller: object  # Widget that triggers the menu
    position: str   # Menu position: "bottom", "top", "center", "auto"
    
    # Sizing
    width_mult: float  # Width multiplier relative to caller
    max_height: str    # Maximum menu height (e.g., "200dp")
    
    # Visual styling
    elevation: float   # Menu elevation
    radius: list       # Corner radius
    
    # Behavior
    auto_dismiss: bool  # Auto dismiss when item selected
    
    def open(self):
        """Open the dropdown menu."""
        
    def dismiss(self):
        """Close the dropdown menu."""
        
    def check_position_caller(self, caller):
        """
        Check and adjust menu position relative to caller.
        
        Args:
            caller: Widget that triggered the menu
        """

class BaseSnackbar:
    """
    Base snackbar implementation.
    
    Foundation class for snackbar functionality.
    """
    snackbar_animation_dir: str  # Animation direction
    
class Snackbar:
    """
    Material Design snackbar.
    
    Brief message that appears temporarily at the bottom of the screen
    to provide feedback about an operation.
    """
    text: str  # Snackbar message text
    snackbar_x: str    # X position (e.g., "10dp")
    snackbar_y: str    # Y position (e.g., "10dp") 
    size_hint_x: float # Width size hint
    
    # Action button
    button_text: str     # Action button text
    button_callback: object  # Action button callback
    
    # Visual styling
    bg_color: str | list    # Background color
    buttons_color: str | list  # Button text color
    
    # Timing
    duration: float  # Display duration in seconds
    
    def open(self):
        """Show the snackbar."""
        
    def dismiss(self):
        """Hide the snackbar."""

class MDTooltip:
    """
    Material Design tooltip behavior.
    
    Mixin behavior that adds tooltip functionality to widgets.
    Displays informational text when hovering over the widget.
    """
    tooltip_text: str  # Tooltip text content
    tooltip_font_size: str  # Tooltip font size (e.g., "14sp")
    tooltip_radius: list    # Tooltip corner radius
    tooltip_bg_color: str | list  # Tooltip background color
    tooltip_text_color: str | list  # Tooltip text color
    
    # Positioning
    tooltip_pos_x: float  # X offset from widget
    tooltip_pos_y: float  # Y offset from widget
    
    # Timing
    tooltip_display_delay: float  # Delay before showing tooltip
    tooltip_hide_delay: float     # Delay before hiding tooltip
    
    def display_tooltip(self):
        """Display the tooltip."""
        
    def hide_tooltip(self):
        """Hide the tooltip."""

class MDTooltipViewClass:
    """
    Tooltip view implementation.
    
    The visual tooltip widget that contains the tooltip content.
    """
    tooltip_text: str  # Tooltip text
    
    # Visual properties
    md_bg_color: str | list  # Background color
    radius: list  # Corner radius
    elevation: float  # Tooltip elevation

from kivymd.uix.dialog import MDDialog
from kivymd.uix.button import MDFlatButton, MDRaisedButton

class MyApp(MDApp):
    def show_dialog(self):
        # Create dialog buttons
        close_button = MDFlatButton(
            text="CANCEL",
            on_release=self.close_dialog
        )
        
        confirm_button = MDRaisedButton(
            text="CONFIRM",
            on_release=self.confirm_action
        )
        
        # Create dialog
        self.dialog = MDDialog(
            title="Confirm Action",
            text="Are you sure you want to delete this item? This action cannot be undone.",
            buttons=[close_button, confirm_button],
            size_hint=(0.8, None),
            height="200dp"
        )
        
        self.dialog.open()
    
    def close_dialog(self, instance):
        """Close dialog without action."""
        self.dialog.dismiss()
    
    def confirm_action(self, instance):
        """Handle confirmation."""
        print("Action confirmed")
        self.dialog.dismiss()

from kivymd.uix.bottomsheet import MDListBottomSheet

class MyApp(MDApp):
    def show_bottom_sheet(self):
        # Create bottom sheet
        bottom_sheet = MDListBottomSheet()
        
        # Add menu items
        menu_items = [
            ("Share", "share"),
            ("Copy Link", "content-copy"),
            ("Edit", "pencil"),
            ("Delete", "delete"),
            ("Archive", "archive")
        ]
        
        for text, icon in menu_items:
            bottom_sheet.add_item(
                text=text,
                callback=lambda x, action=text: self.handle_action(action)
            )
        
        bottom_sheet.open()
    
    def handle_action(self, action):
        """Handle bottom sheet action."""
        print(f"Action selected: {action}")

from kivymd.uix.menu import MDDropdownMenu
from kivymd.uix.button import MDRaisedButton

class MyApp(MDApp):
    def build(self):
        # Menu trigger button
        self.menu_button = MDRaisedButton(
            text="Open Menu",
            pos_hint={"center_x": 0.5, "center_y": 0.5},
            on_release=self.open_menu
        )
        
        # Create dropdown menu
        menu_items = [
            {
                "text": "New File",
                "icon": "file-plus",
                "on_release": lambda: self.menu_callback("New File")
            },
            {
                "text": "Open File", 
                "icon": "folder-open",
                "on_release": lambda: self.menu_callback("Open File")
            },
            {
                "text": "Save File",
                "icon": "content-save",
                "on_release": lambda: self.menu_callback("Save File")
            },
            {
                "text": "Settings",
                "icon": "cog",
                "on_release": lambda: self.menu_callback("Settings")
            }
        ]
        
        self.menu = MDDropdownMenu(
            caller=self.menu_button,
            items=menu_items,
            width_mult=4,
            position="bottom"
        )
        
        return self.menu_button
    
    def open_menu(self, instance):
        """Open dropdown menu."""
        self.menu.open()
    
    def menu_callback(self, action):
        """Handle menu item selection."""
        print(f"Menu item selected: {action}")
        self.menu.dismiss()

from kivymd.uix.snackbar import Snackbar

class MyApp(MDApp):
    def show_snackbar(self, message, action_text=None, action_callback=None):
        """Show snackbar notification."""
        snackbar = Snackbar(
            text=message,
            snackbar_x="10dp",
            snackbar_y="10dp",
            size_hint_x=0.9,
            duration=3.0
        )
        
        # Add action button if provided
        if action_text and action_callback:
            snackbar.button_text = action_text
            snackbar.button_callback = action_callback
        
        snackbar.open()
    
    def handle_save(self):
        """Example save action with snackbar feedback."""
        # Simulate save operation
        success = True
        
        if success:
            self.show_snackbar(
                "File saved successfully",
                "UNDO",
                self.undo_save
            )
        else:
            self.show_snackbar("Error saving file")
    
    def undo_save(self, instance):
        """Handle undo action."""
        print("Save undone")
        self.show_snackbar("Save undone")

from kivymd.uix.dialog import MDDialog
from kivymd.uix.textfield import MDTextField
from kivymd.uix.button import MDFlatButton, MDRaisedButton
from kivymd.uix.boxlayout import MDBoxLayout

class MyApp(MDApp):
    def show_form_dialog(self):
        # Create form content
        content = MDBoxLayout(
            orientation="vertical",
            spacing="16dp",
            adaptive_height=True,
            padding="16dp"
        )
        
        # Form fields
        self.name_field = MDTextField(
            hint_text="Enter name",
            required=True,
            mode="rectangle"
        )
        
        self.email_field = MDTextField(
            hint_text="Enter email",
            mode="rectangle"
        )
        
        content.add_widget(self.name_field)
        content.add_widget(self.email_field)
        
        # Dialog buttons
        cancel_button = MDFlatButton(
            text="CANCEL",
            on_release=self.close_form_dialog
        )
        
        submit_button = MDRaisedButton(
            text="SUBMIT",
            on_release=self.submit_form
        )
        
        # Create dialog
        self.form_dialog = MDDialog(
            title="Add Contact",
            type="custom",
            content_cls=content,
            buttons=[cancel_button, submit_button],
            size_hint=(0.8, None),
            height="300dp"
        )
        
        self.form_dialog.open()
    
    def close_form_dialog(self, instance):
        """Close form dialog."""
        self.form_dialog.dismiss()
    
    def submit_form(self, instance):
        """Handle form submission."""
        name = self.name_field.text
        email = self.email_field.text
        
        if name.strip():
            print(f"Contact added: {name}, {email}")
            self.form_dialog.dismiss()
            self.show_snackbar("Contact added successfully")
        else:
            self.name_field.error = True
            self.name_field.helper_text = "Name is required"

from kivymd.uix.button import MDIconButton
from kivymd.uix.tooltip import MDTooltip

class TooltipButton(MDIconButton, MDTooltip):
    """Icon button with tooltip."""
    pass

class MyApp(MDApp):
    def build(self):
        # Create button with tooltip
        tooltip_button = TooltipButton(
            icon="information",
            tooltip_text="This button provides helpful information",
            pos_hint={"center_x": 0.5, "center_y": 0.5}
        )
        
        return tooltip_button