Source code for enamlnative.ios.uikit_scroll_view

"""
Copyright (c) 2017, CodeLV.

Distributed under the terms of the MIT License.

The full license is in the file LICENSE, distributed with this software.

Created on Aug 3, 2017

@author: jrm
"""

from atom.api import Typed
from enamlnative.widgets.scroll_view import ProxyScrollView

from .bridge import ObjcMethod, ObjcProperty
from .uikit_view import UIView, UiKitView


[docs]class UIScrollView(UIView):
    #: Properties
    contentSize = ObjcProperty('CGSize')

    #: Added by UIScrollView+AutoResize
    fitToContents = ObjcMethod()
    # axis = ObjcProperty('UILayoutConstraintAxis')
    # #setProgress = ObjcMethod('float', dict(animated='bool'))
    # addArrangedSubview = ObjcMethod('UIView')
    # insertArrangedSubview = ObjcMethod('UIView', dict(atIndex='NSInteger'))
    # removeArrangedSubview = ObjcMethod('UIView')
    #
    # UILayoutConstraintAxisHorizontal = 0
    # UILayoutConstraintAxisVertical = 1


[docs]class UiKitScrollView(UiKitView, ProxyScrollView):
    """ An UiKit implementation of an Enaml ProxyToolkitObject.

    """

    #: A reference to the toolkit layout created by the proxy.
    widget = Typed(UIScrollView)

    # -------------------------------------------------------------------------
    # Initialization API
    # -------------------------------------------------------------------------
[docs]    def create_widget(self):
        """ Create the widget

        """
        self.widget = UIScrollView()

    # def update_frame(self):
    #     """ """
    #     super
    #     # d = self.declaration
    #     # if not (d.x or d.y or d.width or d.height):
    #     #     d.width, d.height = d.parent.width, d.parent.height
    #     # self.frame = (d.x,d.y,d.width,d.height)

[docs]    def init_layout(self):
        super(UiKitScrollView, self).init_layout()
        for c in self.children():
            if c.frame:
                self.widget.contentSize = c.frame[-2:]
                return

        self.widget.fitToContents()

    # -------------------------------------------------------------------------
    # ProxyScrollView API
    # -------------------------------------------------------------------------
    # def set_frame(self, change):
    #     super(UiKitScrollView, self).set_frame(change)
    #     d = self.declaration
    #     self.widget.contentSize = (d.width, d.height)

[docs]    def set_orientation(self, orientation):
        #: TODO: Cannot enforce direction that I'm aware of
        #: (but can lock direction)
        pass

[docs]    def set_scroll_by(self, delta):
        raise NotImplementedError

[docs]    def set_scroll_to(self, point):
        raise NotImplementedError