void ApplyBarItemColors(EToolbarItem item, BarItemColorType type, EColor color)
{
if (color.IsDefault)
{
ClearBarItemColors(item, type);
}
else
{
switch (type)
{
case BarItemColorType.Background:
item.SetBackgroundColor(color);
break;
case BarItemColorType.Text:
item.SetTextColor(color);
break;
case BarItemColorType.SelectedTab:
item.SetSelectedTabColor(color);
break;
case BarItemColorType.UnselectedTab:
item.SetUnselectedTabColor(color);
break;
default:
break;
}
}
}
void FillToolbarItems()
{
var logicalChildren = (Element as IElementController).LogicalChildren;
foreach (Page child in logicalChildren)
{
var childRenderer = Platform.GetRenderer(child);
if (childRenderer != null)
{
childRenderer.NativeView.Hide();
}
EToolbarItem toolbarItem = _tpage.Append(child.Title, string.IsNullOrEmpty(child.Icon) ? null : ResourcePath.GetPath(child.Icon));
toolbarItem.SetPartColor("bg", Element.BarBackgroundColor.ToNative());
_itemToItemPage.Add(toolbarItem, child);
if (Element.CurrentPage == child)
{
toolbarItem.IsSelected = true;
OnCurrentPageChanged(null, null);
}
child.PropertyChanged += OnPageTitleChanged;
}
}
void RemoveToolbarItem(ShellSection section)
{
if (_sectionToitem.ContainsKey(section))
{
var del = _sectionToitem[section];
_toolbarItemList.Remove(del);
_itemToSection.Remove(del);
_sectionToitem.Remove(section);
del.Delete();
if (_moreToolbarItem != null)
{
ShellSection move = _more.RemoveFirst();
InsertToolbarItem(move);
}
}
else
{
_more.RemoveItem(section);
}
if (_more.Count == 1)
{
_toolbarItemList.Remove(_moreToolbarItem);
_moreToolbarItem.Delete();
_moreToolbarItem = null;
ShellSection move = _more.RemoveFirst();
InsertToolbarItem(move);
}
}
void ClearBarItemColors(EToolbarItem item, BarItemColorType type)
{
switch (type)
{
case BarItemColorType.Background:
item.DeletePartColor("bg");
break;
case BarItemColorType.Text:
if (string.IsNullOrEmpty(item.Icon))
{
item.DeletePartColor("text");
item.DeletePartColor("text_pressed");
item.DeletePartColor("text_selected");
}
else
{
item.DeletePartColor("text_under_icon");
item.DeletePartColor("text_under_icon_pressed");
item.DeletePartColor("text_under_icon_selected");
}
item.DeletePartColor("underline");
break;
case BarItemColorType.SelectedTab:
if (string.IsNullOrEmpty(item.Icon))
{
item.DeletePartColor("text_selected");
}
else
{
item.DeletePartColor("text_under_icon_selected");
item.DeletePartColor("icon_selected");
}
item.DeletePartColor("underline");
break;
case BarItemColorType.UnselectedTab:
if (string.IsNullOrEmpty(item.Icon))
{
item.DeletePartColor("text");
item.DeletePartColor("text_pressed");
}
else
{
item.DeletePartColor("text_under_icon");
item.DeletePartColor("text_under_icon_pressed");
item.DeletePartColor("icon");
item.DeletePartColor("icon_pressed");
}
break;
default:
break;
}
}
/// <summary>
/// To update the background color of A tabbar
/// </summary>
void UpdateBarBackgroundColor()
{
var logicalChildren = (Element as IElementController).LogicalChildren;
foreach (KeyValuePair <EToolbarItem, Page> pair in _itemToItemPage)
{
EToolbarItem toolbarItem = pair.Key;
toolbarItem.SetPartColor("bg", Element.BarBackgroundColor.ToNative());
}
}
EToolbarItem InsertToolbarItem(ShellContent content)
{
EToolbarItem item = _tabs.Append(content.Title, null);
item.SetPartColor("bg", _backgroundColor);
_toolbarItemList.AddLast(item);
_itemToContent.Add(item, content);
_contentToItem.Add(content, item);
return(item);
}
void InitializeTabsItem(EToolbarItem item, string resource)
{
//The source of icon resources is https://materialdesignicons.com/
ImageSource src = ImageSource.FromResource(resource, typeof(ShellItemRenderer).GetTypeInfo().Assembly);
Native.Image icon = new Native.Image(System.Maui.Maui.NativeParent);
var task = icon.LoadFromImageSourceAsync(src);
item.SetPartContent("elm.swallow.icon", icon);
item.SetPartColor("bg", _backgroudColor);
item.SetPartColor("underline", EColor.Transparent);
}
public static void SetSelectedTabColor(this EToolbarItem item, EColor color)
{
if (string.IsNullOrEmpty(item.Icon))
{
item.SetPartColor(ThemeConstants.ToolbarItem.ColorClass.TextSelected, color);
}
else
{
item.SetPartColor(ThemeConstants.ToolbarItem.ColorClass.TextUnderIconSelected, color);
item.SetPartColor(ThemeConstants.ToolbarItem.ColorClass.IconSelected, color);
}
item.SetPartColor(ThemeConstants.ToolbarItem.ColorClass.Underline, color);
}
public static void DeleteSelectedTabColor(this EToolbarItem item)
{
if (string.IsNullOrEmpty(item.Icon))
{
item.DeletePartColor(ThemeConstants.ToolbarItem.ColorClass.TextSelected);
}
else
{
item.DeletePartColor(ThemeConstants.ToolbarItem.ColorClass.TextUnderIconSelected);
item.DeletePartColor(ThemeConstants.ToolbarItem.ColorClass.IconSelected);
}
item.DeletePartColor(ThemeConstants.ToolbarItem.ColorClass.Underline);
}
void FillToolbarAndContents()
{
int index = 0;
//add items to toolbar
foreach (Page child in Element.Children)
{
EToolbarItem toolbarItem = AddToolbarItem(child, index++);
if (Element.CurrentPage == child)
{
//select item on the toolbar and fill content
toolbarItem.IsSelected = true;
}
}
}
void InsertToolbarItem(ShellSection section)
{
if (_toolbarItemList.Count < 5)
{
EToolbarItem item = null;
if (_moreToolbarItem == null)
{
item = _tabs.Append(section.Title, GetIconPath(section.Icon));
}
else
{
item = _tabs.InsertBefore(_moreToolbarItem, section.Title, GetIconPath(section.Icon));
}
if (item != null)
{
item.SetPartColor("bg", _backgroudColor);
item.SetPartColor("underline", EColor.Transparent);
_toolbarItemList.AddLast(item);
_itemToSection.Add(item, section);
_sectionToitem.Add(section, item);
}
}
else if (_moreToolbarItem == null && _toolbarItemList.Count == 5)
{
var last = _toolbarItemList.Last() as EToolbarItem;
var lastSection = _itemToSection[last];
_toolbarItemList.RemoveLast();
_itemToSection.Remove(last);
_sectionToitem.Remove(lastSection);
last.Delete();
_moreToolbarItem = CreateTabsItem("More");
_toolbarItemList.AddLast(_moreToolbarItem);
InitializeTabsItem(_moreToolbarItem, _dotsIcon);
_more.AddItem(lastSection);
_more.AddItem(section);
}
else
{
_more.AddItem(section);
}
}
void CreateMoreToolbarItem()
{
if (_moreToolbarItem != null)
{
return;
}
//The source of icon resources is https://materialdesignicons.com/
ImageSource src = ImageSource.FromResource("Xamarin.Forms.Platform.Tizen.Resource.dots_horizontal.png", typeof(ShellItemRenderer).GetTypeInfo().Assembly);
Native.Image icon = new Native.Image(Forms.NativeParent);
var task = icon.LoadFromImageSourceAsync(src);
_moreToolbarItem = _toolbar.Append("More", null);
_moreToolbarItem.SetPartContent("elm.swallow.icon", icon);
_moreToolbarItem.SetPartColor("bg", _backgroudColor);
_moreToolbarItem.SetPartColor("underline", EColor.Transparent);
_toolbarItemList.AddLast(_moreToolbarItem);
}
EToolbar GetBreadCrumbsBar()
{
EToolbar toolbar = new EToolbar(Forms.NativeParent)
{
ItemAlignment = 0,
Homogeneous = false,
ShrinkMode = ToolbarShrinkMode.Scroll
};
toolbar.SetNavigationBarStyle();
foreach (var p in Element.Navigation.NavigationStack)
{
string breadCrumb = p.OnThisPlatform().GetBreadCrumb();
if (!string.IsNullOrEmpty(breadCrumb))
{
EToolbarItem toolbarItem = toolbar.Append(breadCrumb);
toolbarItem.Selected += (s, e) =>
{
var copyOfStack = Element.Navigation.NavigationStack.Reverse().Skip(1);
foreach (var lp in copyOfStack)
{
if (lp == p)
{
break;
}
Element.Navigation.RemovePage(lp);
}
if (Element.Navigation.NavigationStack.Last() != p)
{
Element.Navigation.PopAsync();
}
};
}
}
return(toolbar);
}
void ClearBarItemColors(EToolbarItem item, BarItemColorType type)
{
switch (type)
{
case BarItemColorType.Background:
item.DeleteBackgroundColor();
break;
case BarItemColorType.Text:
item.DeleteTextColor();
break;
case BarItemColorType.SelectedTab:
item.DeleteSelectedTabColor();
break;
case BarItemColorType.UnselectedTab:
item.DeleteUnselectedTabColor();
break;
default:
break;
}
}
public static void DeleteUnderlineColor(this EToolbarItem item)
{
item.DeletePartColor(ThemeConstants.ToolbarItem.ColorClass.Underline);
}
public static void DeleteBackgroundColor(this EToolbarItem item)
{
item.DeletePartColor(ThemeConstants.ToolbarItem.ColorClass.Background);
}
public static void SetUnderlineColor(this EToolbarItem item, EColor color)
{
item.SetPartColor(ThemeConstants.ToolbarItem.ColorClass.Underline, color);
}
public static void SetBackgroundColor(this EToolbarItem item, EColor color)
{
item.SetPartColor(ThemeConstants.ToolbarItem.ColorClass.Background, color);
}
public static void SetIconPart(this EToolbarItem item, EvasObject content, bool preserveOldContent = false)
{
item.SetPartContent(ThemeConstants.ToolbarItem.Parts.Icon, content, preserveOldContent);
}
void ApplyBarItemColors(EToolbarItem item, BarItemColorType type, EColor color)
{
if (color.IsDefault)
{
ClearBarItemColors(item, type);
}
else
{
switch (type)
{
case BarItemColorType.Background:
item.SetPartColor("bg", color);
break;
case BarItemColorType.Text:
if (string.IsNullOrEmpty(item.Icon))
{
item.SetPartColor("text", color);
item.SetPartColor("text_pressed", color);
item.SetPartColor("text_selected", color);
}
else
{
item.SetPartColor("text_under_icon", color);
item.SetPartColor("text_under_icon_pressed", color);
item.SetPartColor("text_under_icon_selected", color);
}
item.SetPartColor("underline", color);
break;
case BarItemColorType.SelectedTab:
if (string.IsNullOrEmpty(item.Icon))
{
item.SetPartColor("text_selected", color);
}
else
{
item.SetPartColor("text_under_icon_selected", color);
item.SetPartColor("icon_selected", color);
}
item.SetPartColor("underline", color);
break;
case BarItemColorType.UnselectedTab:
if (string.IsNullOrEmpty(item.Icon))
{
item.SetPartColor("text", color);
item.SetPartColor("text_pressed", color);
}
else
{
item.SetPartColor("text_under_icon", color);
item.SetPartColor("text_under_icon_pressed", color);
item.SetPartColor("icon", color);
item.SetPartColor("icon_pressed", color);
}
break;
default:
break;
}
}
}
/// <summary>
/// Inserts a new item which just contains label into the toolbar object before item <paramref name="before"/>.
/// </summary>
/// <param name="before">The toolbar item to insert before.</param>
/// <param name="label">The label of the item.</param>
/// <returns>The new <see cref="ToolbarItem"/> which is inserted into the toolbar.</returns>
/// <seealso cref="InsertBefore(ToolbarItem, string, string)"/>
/// <since_tizen> preview </since_tizen>
public ToolbarItem InsertBefore(ToolbarItem before, string label)
{
return(InsertBefore(before, label, string.Empty));
}