public override void AddView(AView child, int index, LayoutParams @params)
{
if (index == -1 && AddFlag && child.GetType().ToString() == sPageContainer)
{
index = ChildCount - 1;
}
base.AddView(child, index, @params);
if (child is AToolbar)
{
Toolbar = child as AToolbar;
}
else if (child.GetType().ToString() == sPageContainer)
{
PageContainer = child as ViewGroup;
var layoutParam = new LayoutParams(LayoutParams.MatchParent, 8);
if (!AddFlag)
{
AddView(ProgressBar, layoutParam);
}
}
else if (child is AProgressBar)
{
AddFlag = true;
}
}
public override void AddView(Android.Views.View child)
{
child.GetType().GetRuntimeProperty("TopPadding").SetValue(child, 0);
var padding = child.GetType().GetRuntimeProperty("TopPadding").GetValue(child);
base.AddView(child);
}
public bool OnDrag(AViews.View v, DragEvent e)
{
switch (e.Action)
{
case DragAction.Started:
break;
case DragAction.Entered:
System.Diagnostics.Debug.WriteLine($"DragAction.Entered from {v.GetType()}");
break;
case DragAction.Location:
break;
case DragAction.Exited:
System.Diagnostics.Debug.WriteLine($"DragAction.Entered from {v.GetType()}");
if (!(v is AWidget.ListView))
{
var positionEntered = GetListPositionForView(v);
System.Diagnostics.Debug.WriteLine($"DragAction.Exited index {positionEntered}");
}
break;
case DragAction.Drop:
System.Diagnostics.Debug.WriteLine($"DragAction.Drop from {v.GetType()}");
var mobileItem = (DragItem)e.LocalState;
if (!(v is AWidget.ListView) && v != mobileItem.View)
{
mobileItem.Index = GetListPositionForView(v);
mobileItem.View.Visibility = ViewStates.Visible;
if (_element.ItemsSource is IOrderable orderable)
{
orderable.ChangeOrdinal(mobileItem.OriginalIndex, mobileItem.Index);
}
}
break;
case DragAction.Ended:
System.Diagnostics.Debug.WriteLine($"DragAction.Drop from {v.GetType()}");
break;
}
return(true);
}
public override void OnViewAdded(View child)
{
base.OnViewAdded(child);
if (child.GetType() == typeof(Toolbar))
{
Toolbar = (Toolbar)child;
LayoutParent = new LinearLayout(Toolbar.Context)
{
LayoutParameters = new LinearLayout.LayoutParams(LayoutParams.MatchParent, LayoutParams.MatchParent),
Orientation = Orientation.Vertical
};
LayoutParent.SetGravity(GravityFlags.Center);
TextViewTitle = new TextView(LayoutParent.Context)
{
LayoutParameters = new LinearLayout.LayoutParams(LayoutParams.WrapContent, LayoutParams.WrapContent)
};
TextViewTitle.SetTextAppearance(Resource.Style.TextAppearance_AppCompat_Widget_ActionBar_Title);
LayoutParent.AddView(TextViewTitle);
Toolbar.AddView(LayoutParent);
}
CurrentPage = Element?.Navigation?.NavigationStack?.Last();
if (CurrentPage != null)
{
CurrentPage.PropertyChanged += PagePropertyChanged;
Setup(CurrentPage);
}
}
void ClearChildren(ViewGroup group)
{
if (group == null)
{
return;
}
int count = group.ChildCount;
for (var i = 0; i < count; i++)
{
AView child = group.GetChildAt(i);
var g = child as ViewGroup;
if (g != null)
{
ClearChildren(g);
}
Type childType = child.GetType();
Stack <AView> stack;
if (!_freeViews.TryGetValue(childType, out stack))
{
_freeViews[childType] = stack = new Stack <AView>();
}
stack.Push(child);
}
group.RemoveAllViews();
}
protected Delegate CreateEventHandler(object target, View view, MethodMapping methodMapping, out EventInfo evnt)
{
Delegate del = null;
evnt = null;
if (view != null)
{
evnt = view.GetType().GetEvent(methodMapping.Attribute.EventName);
if (evnt != null)
{
try
{
del = CreateDelegate(target, methodMapping, evnt);
}
catch (Exception ex)
{
Geneticist.HandleError(
ex,
"Error creating delegate from '{0}' for event '{1}'.",
methodMapping.Method.Name,
methodMapping.Attribute.EventName);
}
}
else
{
Geneticist.HandleError(
"Unable to find event '{0}' for method '{1}'.",
methodMapping.Attribute.EventName,
methodMapping.Method.Name);
}
}
return del;
}
public override void OnViewAdded(Android.Views.View child)
{
if (child.GetType() == typeof(Android.Support.V7.Widget.Toolbar))
{
_toolbar = (Android.Support.V7.Widget.Toolbar)child;
_toolbar.ChildViewAdded += Toolbar_ChildViewAdded;
}
}
// hide keyboard when clicking anywhere but EditText
protected void setupParent(View view)
{
//Set up touch listener for non-text box and not checkbox views to hide keyboard.
if (!(view.OnCheckIsTextEditor()) && view.GetType() != typeof (CheckBox)
&& view.Id != Resource.Id.colorsCheckBoxesLayout)
{
view.Touch += (sender, args) => { hideSoftKeyboard(); };
}
//If a layout container, iterate over children
if (view.GetType().BaseType == typeof(ViewGroup))
{
for (int i = 0; i < ((ViewGroup) view).ChildCount; i++) {
View innerView = ((ViewGroup) view).GetChildAt(i);
setupParent(innerView);
}
}
}
public override void OnViewAdded(Android.Views.View child)
{
base.OnViewAdded(child);
if (child.GetType() == typeof(Android.Support.V7.Widget.Toolbar))
{
_toolbar = (Android.Support.V7.Widget.Toolbar)child;
_toolbar.SetBackgroundColor(global::Android.Graphics.Color.White);
}
}
public override void OnViewAdded(Android.Views.View child)
{
base.OnViewAdded(child);
if (child.GetType() == typeof(Android.Support.V7.Widget.Toolbar))
{
_toolbar = (Android.Support.V7.Widget.Toolbar)child;
}
}
public override void OnViewAdded(Android.Views.View child)
{
base.OnViewAdded(child);
if (child.GetType() == typeof(Support.Toolbar))
{
var lastPage = Element?.Navigation?.NavigationStack?.Last();
/*if (_toolbar !=null)
* {
* _toolbar.ChildViewAdded -= OnToolbarChildViewAdded;
* var lPage = Element?.Navigation?.NavigationStack?.Last();
* lPage.PropertyChanged -= LastPage_PropertyChanged;
* }*/
_toolbar = (Android.Support.V7.Widget.Toolbar)child;
_originalToolbarBackground = _toolbar.Background;
var originalContent = (Context as Activity)?.Window?.DecorView?.FindViewById <FrameLayout>(Window.IdAndroidContent);
if (originalContent != null)
{
_originalWindowContent = originalContent.Foreground;
}
_parentLayout = new Android.Widget.FrameLayout(_toolbar.Context)
{
LayoutParameters = new Android.Widget.FrameLayout.LayoutParams(LayoutParams.MatchParent, LayoutParams.MatchParent)
};
//Create custom title view layout
_titleViewLayout = new Android.Widget.LinearLayout(_parentLayout.Context)
{
Orientation = Android.Widget.Orientation.Vertical,
LayoutParameters = new Android.Widget.FrameLayout.LayoutParams(LayoutParams.WrapContent, LayoutParams.WrapContent)
};
_titleTextView = new AppCompatTextView(_parentLayout.Context)
{
LayoutParameters = new LinearLayout.LayoutParams(LayoutParams.WrapContent, LayoutParams.WrapContent)
};
//Add title/subtitle to title view layout
_titleViewLayout.AddView(_titleTextView);
//Add title view layout to main layout
_parentLayout.AddView(_titleViewLayout);
//Add main layout to toolbar
_toolbar.AddView(_parentLayout);
_toolbar.ChildViewAdded += OnToolbarChildViewAdded;
lastPage.PropertyChanged += LastPage_PropertyChanged;
}
}
public override void OnViewAdded(Android.Views.View child)
{
base.OnViewAdded(child);
if (child.GetType() == typeof(Android.Support.V7.Widget.Toolbar))
{
toolbar = (Android.Support.V7.Widget.Toolbar)child;
toolbar.SetForegroundGravity(GravityFlags.Center);
toolbar.ChildViewAdded += Toolbar_ChildViewAdded;
}
}
public override void OnViewRemoved(Android.Views.View child)
{
base.OnViewRemoved(child);
if (child.GetType() == typeof(Android.Support.V7.Widget.Toolbar))
{
if (_toolbar != null)
{
var lastPage = Element?.Navigation?.NavigationStack?.Last();
_toolbar.ChildViewAdded -= OnToolbarChildViewAdded;
}
}
}
public override void OnViewAdded(Android.Views.View child)
{
try
{
base.OnViewAdded(child);
if (child.GetType() == typeof(Android.Support.V7.Widget.Toolbar))
{
toolbar = (Android.Support.V7.Widget.Toolbar)child;
toolbar.ChildViewAdded += Toolbar_ChildViewAdded;
}
}
catch { }
}
public override void RemoveView(AView view)
{
base.RemoveView(view);
if (view.GetType().ToString() == sPageContainer)
{
PageContainer = null;
}
else if (view is AProgressBar)
{
AddFlag = false;
}
}
/// <summary>
/// When adding a view, tweak the top padding if necessary.
/// According to:
/// https://github.com/xamarin/Xamarin.Forms/blob/589adbd3ef145ec85f9fe64eda008251c1cdb745/Xamarin.Forms.Platform.Android/AppCompat/MasterDetailPageRenderer.cs
/// The TopPadding is always set for the detail. This works fine when the master detail is shown normally, but
/// if it is inside a navigation page (such as the inspection view) then you get extra unwanted padding.
/// The 'fix' is to set the top padding to 0 for the detail, only of course the types and fields are hidden from us...
/// </summary>
/// <param name="child">Child.</param>
public override void AddView(Android.Views.View child)
{
try
{
var isMasterField = child.GetType().GetField("_isMaster", BindingFlags.NonPublic | BindingFlags.Instance);
if (isMasterField == null)
{
return;
}
var isMaster = isMasterField.GetValue(child);
if ((bool)isMaster)
{
return;
}
var parentField = child.GetType().GetField("_parent", BindingFlags.NonPublic | BindingFlags.Instance);
if (parentField == null)
{
return;
}
var parent = parentField.GetValue(child) as MasterDetailPage;
if (parent == null || !(parent.Parent is NavigationPage))
{
return;
}
var topPaddingProperty = child.GetType().GetProperty("TopPadding", BindingFlags.Public | BindingFlags.Instance);
if (topPaddingProperty != null)
{
topPaddingProperty.SetValue(child, 0);
}
}
finally
{
base.AddView(child);
}
}
void Disp(Android.Views.View vi, string spc = "")
{
System.Diagnostics.Debug.WriteLine("{0}{1}", spc, vi.GetType().Name);
var vg = vi as ViewGroup;
if (vg != null)
{
for (int i = 0; i < vg.ChildCount; i++)
{
var v = vg.GetChildAt(i);
Disp(v, spc + " ");
}
}
}
protected override void OnLayout(bool changed, int l, int t, int r, int b)
{
var navigationPage = Element as NavigationPage;
if (navigationPage.BarBackgroundColor != Color.Transparent)
{
if (navigationPage.CurrentPage.GetType() != typeof(PetProfilePage))
{
base.OnLayout(changed, l, t + ActionBarHeight(), r, b + ActionBarHeight());
}
}
else
{
base.OnLayout(changed, l, t, r, b + ActionBarHeight());
}
AToolbar bar = _toolbar;
bar.BringToFront();
for (var i = 0; i < ChildCount; i++)
{
AView child = GetChildAt(i);
var pageContainer = child.GetType().GetProperty("Child")?.GetValue(child) as IVisualElementRenderer;
Page childPage = pageContainer?.Element as Page;
if (childPage == null)
{
return;
}
bool childHasNavBar = NavigationPage.GetHasNavigationBar(childPage);
if (childHasNavBar)
{
if (navigationPage.BarBackgroundColor != Color.Transparent)
{
if (navigationPage.CurrentPage.GetType() != typeof(PetProfilePage))
{
child.Layout(0, ActionBarHeight(), r, b + ActionBarHeight());
}
}
else
{
child.Layout(0, 0, r, b + ActionBarHeight());
}
}
}
}
public override void OnViewAdded(Android.Views.View child)
{
base.OnViewAdded(child);
if (child.GetType() == typeof(Toolbar))
{
_toolbar = (Toolbar)child;
if (MainActivity.ToolBar == null)
{
MainActivity.ToolBar = _toolbar;
MainActivity.ToolBar.SetBackgroundColor(Element.BarBackgroundColor.ToAndroid());
}
}
}
public Binding(View target, string targetProperty, object source, string sourceProperty, Func<object, object> convert, Func<object, object> convertBack)
{
Target = target;
Source = source;
TargetProperty = Target.GetType().GetProperty(targetProperty);
SourceProperty = Source.GetType().GetProperty(sourceProperty);
Convert = convert;
ConvertBack = convertBack;
Target.FocusChange += Target_FocusChange;
var inpc = Source as INotifyPropertyChanged;
if (inpc != null)
inpc.PropertyChanged += Source_PropertyChanged;
UpdateTarget();
}
protected override void OnLayout(bool changed, int l, int t, int r, int b)
{
base.OnLayout(changed, l, t, r, b);
AToolbar bar = _toolbar;
bar.BringToFront();
//int barHeight = ActionBarHeight();
//bar.Measure(MeasureSpecFactory.MakeMeasureSpec(r - l, MeasureSpecMode.Exactly), MeasureSpecFactory.MakeMeasureSpec(barHeight, MeasureSpecMode.Exactly));
//var barOffset = ToolbarVisible ? barHeight : 0;
//int containerHeight = b - t - ContainerPadding;
//PageController.ContainerArea = new Rectangle(0, 0, Context.FromPixels(r - l), Context.FromPixels(containerHeight));
for (var i = 0; i < ChildCount; i++)
{
AView child = GetChildAt(i);
var pageContainer = child.GetType().GetProperty("Child")?.GetValue(child) as IVisualElementRenderer;
Page childPage = pageContainer?.Element as Page;
if (childPage == null)
{
return;
}
// We need to base the layout of both the child and the bar on the presence of the NavBar on the child Page itself.
// If we layout the bar based on ToolbarVisible, we get a white bar flashing at the top of the screen.
// If we layout the child based on ToolbarVisible, we get a white bar flashing at the bottom of the screen.
bool childHasNavBar = NavigationPage.GetHasNavigationBar(childPage);
if (childHasNavBar)
{
//bar.Layout(0, 0, r - l, barHeight);
child.Layout(0, 0, r, b);
}
}
}
public override void OnViewRemoved(Android.Views.View child)
{
base.OnViewRemoved(child);
if (child.GetType() == typeof(Android.Support.V7.Widget.Toolbar))
{
if (_toolbar != null)
{
try
{
var lastPage = Element?.Navigation?.NavigationStack?.Last();
_toolbar.ChildViewAdded -= OnToolbarChildViewAdded;
lastPage.PropertyChanged -= LastPage_PropertyChanged;
}
catch (System.Exception ex)
{
System.Diagnostics.Debug.WriteLine(ex);
}
}
}
}
public override void OnViewAdded(Android.Views.View child)
{
base.OnViewAdded(child);
if (child.GetType() == typeof(Android.Support.V7.Widget.Toolbar))
{
_toolbar = (Android.Support.V7.Widget.Toolbar)child;
_originalToolbarBackground = _toolbar.Background;
var originalContent = (Context as Activity)?.Window?.DecorView?.FindViewById <FrameLayout>(Window.IdAndroidContent);
if (originalContent != null)
{
_originalWindowContent = originalContent.Foreground;
}
_leftMenuLayout = new Android.Widget.LinearLayout(_toolbar.Context)
{
Orientation = Android.Widget.Orientation.Horizontal,
LayoutParameters = new Android.Widget.FrameLayout.LayoutParams(LayoutParams.WrapContent, LayoutParams.WrapContent),
};
_rightMenuLayout = new Android.Widget.LinearLayout(_toolbar.Context)
{
Orientation = Android.Widget.Orientation.Horizontal,
LayoutParameters = new Android.Widget.FrameLayout.LayoutParams(LayoutParams.WrapContent, LayoutParams.WrapContent),
};
//foreach (var item in Element.CurrentPage.ToolbarItems)
//{
// if (item.Priority == 0)
// {
// _leftMenuLayout.AddView(GetButton(item));
// }
// else
// {
// _rightMenuLayout.AddView(GetButton(item));
// }
//}
//Create custom title view layout
_titleViewLayout = new Android.Widget.LinearLayout(_toolbar.Context)
{
Orientation = Android.Widget.Orientation.Vertical,
LayoutParameters = new Android.Widget.FrameLayout.LayoutParams(LayoutParams.WrapContent, LayoutParams.WrapContent),
};
//Create custom title text view
_titleTextView = new TextView(_titleViewLayout.Context)
{
Gravity = GravityFlags.CenterHorizontal,
LayoutParameters = new LinearLayout.LayoutParams(LayoutParams.WrapContent, LayoutParams.WrapContent),
};
//Create custom subtitle text view
_subTitleTextView = new TextView(_titleViewLayout.Context)
{
LayoutParameters = new LinearLayout.LayoutParams(LayoutParams.WrapContent, LayoutParams.WrapContent)
};
_titleViewLayout.AddView(_titleTextView);
_titleViewLayout.AddView(_subTitleTextView);
_toolbar.AddView(_titleViewLayout);
_toolbar.AddView(_leftMenuLayout);
_toolbar.AddView(_rightMenuLayout);
_toolbar.ChildViewAdded += OnToolbarChildViewAdded;
}
}
public static void UpdateView(View view, object value)
{
if (view != null)
{
string viewTypeName = view.GetType().FullName;
switch (viewTypeName)
{
// TODO: Add cases here for specialized view types, as needed
case "Android.Widget.ProgressBar":
{
var progressBar = (ProgressBar)view;
int progressValue = (int)(value ?? 0);
if (progressBar.Progress != progressValue) progressBar.Progress = progressValue;
}
break;
case "Android.Webkit.WebView":
{
var webView = (Android.Webkit.WebView)view;
if (value is Uri)
{
string newUrl = value.ToString();
if (webView.Url != newUrl) webView.LoadUrl(newUrl);
}
else
{
webView.LoadData(value == null ? "" : value.ToString(), "text/html", null);
}
}
break;
case "Macaw.UIComponents.MultiImageView":
{
if (value is Uri) value = ((Uri)value).AbsoluteUri;
var multiImageView = (Macaw.UIComponents.MultiImageView)view;
multiImageView.LoadImageList(value == null ? null : new[] { (string)value });
multiImageView.LoadImage(); // TODO: Update to MultiImageView 1.2 when it is published, to fix hang on no connection and to get rid of this LoadImage call.
}
break;
default:
if (view is TextView)
{
var textView = (TextView)view;
string text = value == null ? "" : value.ToString();
if (textView.Text != text) textView.Text = text;
}
else if (view is AdapterView)
{
var adapterView = (AdapterView)view;
var adapter = adapterView.GetAdapter() as IDataBindableListAdapter;
if (adapter != null)
{
int position = adapter.GetItemPosition(value);
if (adapterView is AbsListView)
{
var absListView = (AbsListView)adapterView;
if (!absListView.IsItemChecked(position))
{
absListView.SetItemChecked(position, true);
}
}
else
{
if (adapterView.SelectedItemPosition != position) adapterView.SetSelection(position);
}
}
}
else throw new NotImplementedException("View type not implemented: " + viewTypeName);
break;
}
}
}
private static bool ViewDrawerIsOpenedGetDefaultValue(View view, IBindingMemberInfo bindingMemberInfo)
{
DrawerLayout drawer = FindDrawer(view);
if (drawer == null)
{
IBindingMemberInfo rootMember = BindingServiceProvider.VisualTreeManager.GetRootMember(view.GetType());
if (rootMember != null)
rootMember.TryObserve(view, DrawerInitializer.Instance);
return false;
}
DrawerListenerImpl.GetOrAdd(drawer);
return drawer.IsDrawerOpen(view);
}
/// <summary>
/// Traverses the view hierarchy and updates the bindings.
/// </summary>
protected void BindViewTree(object dataSource, View view, IList<WeakReference> reusableBindings = null) {
var tag = view.GetBindingTag ();
if (tag != null) {
if (!tag.BindingEnabled)
return;
if (tag.OverrideDataSource)
dataSource = tag.DataSource;
if (tag.BindingDescriptions != null) {
if (dataSource == null) {
MvxBindingTrace.Trace(
MvxTraceLevel.Warning,
"Binding view {0} with an empty data source.",
view.GetType().Name);
}
if (tag.Bindings.Count > 0 || dataSource != null) {
// Try to reuse weak reference for the tag:
WeakReference weakTag = null;
if (reusableBindings != null) {
for (var i = 0; i < reusableBindings.Count; i++) {
if (reusableBindings[i] == null)
continue;
if (reusableBindings[i].Target == tag) {
weakTag = reusableBindings[i];
reusableBindings[i] = null;
}
}
}
if (weakTag == null)
weakTag = new WeakReference(tag);
_viewTags.Add(weakTag);
if (tag.Bindings.Count > 0) {
// Update old bindings only:
foreach (var binding in tag.Bindings) {
binding.DataContext = dataSource;
}
} else {
// Create bindings:
var bindings = this.GetService<IMvxBinder>()
.Bind(dataSource, view, tag.BindingDescriptions);
if (bindings != null) {
foreach (var binding in bindings) {
tag.Bindings.Add(binding);
}
}
}
}
}
}
var viewGroup = view as ViewGroup;
if (viewGroup != null) {
var count = viewGroup.ChildCount;
for (var i = 0; i < count; i++) {
BindViewTree(dataSource, viewGroup.GetChildAt(i), reusableBindings);
}
}
}
public bool OnDrag(AViews.View view, AViews.DragEvent e)
{
switch (e.Action)
{
case AViews.DragAction.Started:
break;
case AViews.DragAction.Entered:
System.Diagnostics.Debug.WriteLine($"DragAction.Entered from {view.GetType()}");
if (!(view is AWidget.ListView))
{
var dragItem = (DragItem)e.LocalState;
var targetPosition = InsertOntoView(view, dragItem);
dragItem.Index = targetPosition;
// Keep a list of items that has translation so we can reset
// them once the drag'n'drop is finished.
translatedItems.Add(view);
listView.Invalidate();
}
break;
case AViews.DragAction.Location:
break;
case AViews.DragAction.Exited:
System.Diagnostics.Debug.WriteLine($"DragAction.Entered from {view.GetType()}");
if (!(view is AWidget.ListView))
{
var positionEntered = GetListPositionForView(view);
System.Diagnostics.Debug.WriteLine($"DragAction.Exited index {positionEntered}");
}
break;
case AViews.DragAction.Drop:
System.Diagnostics.Debug.WriteLine($"DragAction.Drop from {view.GetType()}");
break;
case AViews.DragAction.Ended:
System.Diagnostics.Debug.WriteLine($"DragAction.Ended from {view.GetType()}");
if (!(view is AWidget.ListView))
{
return(false);
}
var mobileItem = (DragItem)e.LocalState;
mobileItem.View.Visibility = AViews.ViewStates.Visible;
foreach (var v in translatedItems)
{
v.TranslationY = 0;
}
translatedItems.Clear();
if (element.ItemsSource is IOrderableCollection orderable)
{
orderable.ChangeOrder(mobileItem.OriginalIndex, mobileItem.Index);
}
break;
}
return(true);
}
protected virtual IDataContext GetDataContext(View view, Context context, IAttributeSet attrs)
{
var dataContext = new DataContext();
var strings = ReadStringAttributeValue(context, attrs, Resource.Styleable.Binding, BindingAttrIndex);
if (strings != null && strings.Count != 0)
dataContext.Add(ViewFactoryConstants.Bindings, strings);
SetAttributeValue(view, context, attrs, Resource.Styleable.ItemsControl,
Resource.Styleable.ItemsControl_ItemTemplate, AttachedMemberConstants.ItemTemplate, dataContext,
ViewFactoryConstants.ItemTemplateId);
SetAttributeValue(view, context, attrs, Resource.Styleable.ItemsControl,
Resource.Styleable.ItemsControl_DropDownItemTemplate, AttachedMembers.AdapterView.DropDownItemTemplate,
dataContext,
ViewFactoryConstants.DropDownItemTemplateId);
SetAttributeValue(view, context, attrs, Resource.Styleable.Control,
Resource.Styleable.Control_ContentTemplate, AttachedMemberConstants.ContentTemplate, dataContext,
ViewFactoryConstants.ContentTemplateId);
SetAttributeValue(view, context, attrs, Resource.Styleable.Menu,
Resource.Styleable.Menu_MenuTemplate, AttachedMembers.Toolbar.MenuTemplate, dataContext,
ViewFactoryConstants.MenuTemplateId);
SetAttributeValue(view, context, attrs, Resource.Styleable.Menu,
Resource.Styleable.Menu_PopupMenuTemplate, AttachedMembers.View.PopupMenuTemplate, dataContext,
ViewFactoryConstants.PopupMenuTemplateId);
strings = ReadStringAttributeValue(context, attrs, Resource.Styleable.Menu,
new[] { Resource.Styleable.Menu_PopupMenuEvent });
if (strings != null && strings.Count > 0)
{
string eventName = strings[0];
dataContext.Add(ViewFactoryConstants.PopupMenuEvent, eventName);
IBindingMemberInfo member = BindingServiceProvider
.MemberProvider
.GetBindingMember(view.GetType(), AttachedMembers.View.PopupMenuEvent, false, false);
if (member != null)
member.SetSingleValue(view, eventName);
}
strings = ReadStringAttributeValue(context, attrs, Resource.Styleable.Menu,
new[] { Resource.Styleable.Menu_PlacementTargetPath });
if (strings != null && strings.Count > 0)
{
string path = strings[0];
dataContext.Add(ViewFactoryConstants.PlacementTargetPath, path);
IBindingMemberInfo member = BindingServiceProvider
.MemberProvider
.GetBindingMember(view.GetType(), AttachedMembers.View.PopupMenuPlacementTargetPath, false, false);
if (member != null)
member.SetSingleValue(view, path);
}
return dataContext;
}
private static void SetAttributeValue(View view, Context context, IAttributeSet attrs, int[] groupId,
int requiredAttributeId, string attachedMemberName, IDataContext dataContext, DataConstant<int> constant)
{
int? value = ReadAttributeValueId(context, attrs, groupId, requiredAttributeId);
if (!value.HasValue)
return;
dataContext.Add(constant, value.Value);
IBindingMemberInfo member = BindingServiceProvider
.MemberProvider
.GetBindingMember(view.GetType(), attachedMemberName, false, false);
if (member != null)
member.SetSingleValue(view, value);
}
public bool OnDrag(AViews.View v, DragEvent e)
{
switch (e.Action)
{
case DragAction.Started:
break;
case DragAction.Entered:
System.Diagnostics.Debug.WriteLine($"DragAction.Entered from {v.GetType()}");
if (!(v is AWidget.ListView))
{
var dragItem = (DragItem)e.LocalState;
var targetPosition = InsertOntoView(v, dragItem);
dragItem.Index = targetPosition;
// Keep a list of items that has translation so we can reset
// them once the drag'n'drop is finished.
_translatedItems.Add(v);
_listView.Invalidate();
}
break;
case DragAction.Location:
//_currentPosition = (int)e.GetY();
//System.Diagnostics.Debug.WriteLine($"DragAction.Location from {v.GetType()} => {_currentPosition}");
break;
case DragAction.Exited:
System.Diagnostics.Debug.WriteLine($"DragAction.Entered from {v.GetType()}");
if (!(v is AWidget.ListView))
{
var positionEntered = GetListPositionForView(v);
var item1 = _listAdapter.GetItem(positionEntered);
System.Diagnostics.Debug.WriteLine($"DragAction.Exited index {positionEntered}");
}
break;
case DragAction.Drop:
System.Diagnostics.Debug.WriteLine($"DragAction.Drop from {v.GetType()}");
//}
break;
case DragAction.Ended:
if (!(v is AWidget.ListView))
{
return(false);
}
System.Diagnostics.Debug.WriteLine($"DragAction.Ended from {v.GetType()}");
var mobileItem = (DragItem)e.LocalState;
mobileItem.View.Visibility = ViewStates.Visible;
foreach (var view in _translatedItems)
{
view.TranslationY = 0;
}
_translatedItems.Clear();
if (_element.ItemsSource is IOrderable orderable)
{
orderable.ChangeOrdinal(mobileItem.OriginalIndex, mobileItem.Index);
}
break;
}
return(true);
}
public override void AddView (View child)
{
try {
base.AddView (child);
} catch {
Console.WriteLine ("!!!! Caught exception: Failed to add View: " + child.GetType ());
}
}
public static void UpdateView(View view, object value)
{
if (view != null)
{
string viewTypeName = view.GetType().FullName;
switch (viewTypeName)
{
// TODO: Add cases here for specialized view types, as needed
case "Android.Widget.ProgressBar":
{
var progressBar = (ProgressBar)view;
int progressValue = (int)(value ?? 0);
if (progressBar.Progress != progressValue) progressBar.Progress = progressValue;
}
break;
case "Android.Webkit.WebView":
{
var webView = (Android.Webkit.WebView)view;
if (value is Uri)
{
string newUrl = value.ToString();
if (webView.Url != newUrl) webView.LoadUrl(newUrl);
}
else
{
webView.LoadData(value == null ? "" : value.ToString(), "text/html", null);
}
}
break;
default:
if (view is TextView)
{
var textView = (TextView)view;
string text = value == null ? "" : value.ToString();
if (textView.Text != text) textView.Text = text;
}
else if (view is AdapterView)
{
var adapterView = (AdapterView)view;
var adapter = adapterView.GetAdapter() as IDataBindableListAdapter;
if (adapter != null)
{
int position = adapter.GetItemPosition(value);
if (adapterView is AbsListView)
{
var absListView = (AbsListView)adapterView;
if (!absListView.IsItemChecked(position))
{
absListView.SetItemChecked(position, true);
}
}
else
{
if (adapterView.SelectedItemPosition != position) adapterView.SetSelection(position);
}
}
}
else throw new NotImplementedException("View type not implemented: " + viewTypeName);
break;
}
}
}
/**
* Called when a view loaded and call a mapping function
*
* @param view the calling view
* @param mappedObject If available, the object to map with the view. Else add the view to mappingWaitings
*/
public void CallMappingOnView(CarpaccioAction action, View view, Object mappedObject) {
if (action.IsCallMapping) {
CarpaccioLogger.d(TAG, "callMappingOnView mapping=" + mappedObject + " action=" + action.CompleteCall + " view=" + view.GetType().Name);
string arg = action.Args[0]; //only map the first argument
string objectName;
string call;
if (arg.Contains(".")) { //"$user.getName()"
call = arg.Substring(1, arg.Length - 1); // "user.getName()"
objectName = call.Substring(0, arg.IndexOf('.') - 1); // "user"
} else {
objectName = arg.Substring(1, arg.Length - 1); // "user"
call = objectName; // "user"
}
//if you already have the object
if (mappedObject != null) {
string value = Evaluate(mappedObject, call);
CarpaccioLogger.d(TAG, "callMappingOnView evaluate(" + call + ")" + " on " + mappedObject.GetType().Name + " returned " + value);
action.Values = new[]{value}; //TODO
MappingManagerCallback.CallActionOnView(action, view);
} else {
//add to waiting
List<MappingWaiting> waitings = MappingWaitings.GetOrDefault(objectName) ?? new List<MappingWaiting>(); //["user"] = List<MappingWaiting>
waitings.Add(new MappingWaiting(view, action, call, objectName));
CarpaccioLogger.d(TAG, "added to waiting " + call + " for " + view.GetType().Name);
MappingWaitings.AddOrUpdate(objectName, waitings);
}
}
}
