public object ProvideValue(IServiceProvider serviceProvider)
{
if (Text == null)
{
return(null);
}
Debug.WriteLine("Provide: " + Text);
// Do your translation lookup here, using whatever method you require
var translated = L10n.Localize(Text, Text);
return(translated);
}
public TodoItemPage()
{
this.SetBinding(ContentPage.TitleProperty, "Name");
NavigationPage.SetHasNavigationBar(this, true);
var nameLabel = new Label {
Text = "Name"
};
var nameEntry = new Entry();
nameEntry.SetBinding(Entry.TextProperty, "Name");
var notesLabel = new Label {
Text = "Notes"
};
var notesEntry = new Entry();
notesEntry.SetBinding(Entry.TextProperty, "Notes");
var doneLabel = new Label {
Text = "Done"
};
var doneEntry = new Switch();
doneEntry.SetBinding(Switch.IsToggledProperty, "Done");
var saveButton = new Button {
Text = "Save"
};
saveButton.Clicked += (sender, e) => {
var todoItem = (TodoItem)BindingContext;
App.Database.SaveItem(todoItem);
this.Navigation.PopAsync();
};
var deleteButton = new Button {
Text = "Delete"
};
deleteButton.Clicked += (sender, e) => {
var todoItem = (TodoItem)BindingContext;
App.Database.DeleteItem(todoItem.ID);
this.Navigation.PopAsync();
};
var cancelButton = new Button {
Text = "Cancel"
};
cancelButton.Clicked += (sender, e) => {
var todoItem = (TodoItem)BindingContext;
this.Navigation.PopAsync();
};
var speakButton = new Button {
Text = "Speak"
};
speakButton.Clicked += (sender, e) => {
var todoItem = (TodoItem)BindingContext;
DependencyService.Get <ITextToSpeech>().Speak(todoItem.Name + " " + todoItem.Notes);
};
nameLabel.Text = L10n.Localize("NameLabel", "Name");
notesLabel.Text = L10n.Localize("NotesLabel", "Notes");
doneLabel.Text = L10n.Localize("DoneLabel", "Done");
saveButton.Text = L10n.Localize("SaveButton", "Save");
deleteButton.Text = L10n.Localize("DeleteButton", "Delete");
// TODO: included as a 'test' for localizing the picker
// currently not saved to database
var dueDateLabel = new Label {
Text = "Due"
};
var dueDatePicker = new DatePicker();
Content = new StackLayout {
VerticalOptions = LayoutOptions.StartAndExpand,
Padding = new Thickness(20),
Children =
{
nameLabel, nameEntry,
notesLabel, notesEntry,
doneLabel, doneEntry,
dueDateLabel, dueDatePicker,
saveButton, deleteButton, cancelButton,
speakButton
}
};
}
public TodoListPage()
{
Title = AppResources.ApplicationTitle; // "Todo";
listView = new ListView {
RowHeight = 40
};
listView.ItemTemplate = new DataTemplate(typeof(TodoItemCell));
listView.ItemSelected += (sender, e) => {
var todoItem = (TodoItem)e.SelectedItem;
// use C# localization
var todoPage = new TodoItemPage();
// use XAML localization
// var todoPage = new TodoItemXaml();
todoPage.BindingContext = todoItem;
Navigation.PushAsync(todoPage);
};
var layout = new StackLayout();
if (Device.OS == TargetPlatform.WinPhone) // WinPhone doesn't have the title showing
{
layout.Children.Add(new Label {
Text = "Todo", Font = Font.BoldSystemFontOfSize(NamedSize.Large)
});
}
layout.Children.Add(listView);
layout.VerticalOptions = LayoutOptions.FillAndExpand;
Content = layout;
ToolbarItem tbi = null;
if (Device.OS == TargetPlatform.iOS)
{
tbi = new ToolbarItem("+", null, () =>
{
var todoItem = new TodoItem();
var todoPage = new TodoItemPage();
todoPage.BindingContext = todoItem;
Navigation.PushAsync(todoPage);
}, 0, 0);
}
if (Device.OS == TargetPlatform.Android) // BUG: Android doesn't support the icon being null
{
tbi = new ToolbarItem("+", "plus", () => {
var todoItem = new TodoItem();
var todoPage = new TodoItemPage();
todoPage.BindingContext = todoItem;
Navigation.PushAsync(todoPage);
}, 0, 0);
}
if (Device.OS == TargetPlatform.WinPhone)
{
tbi = new ToolbarItem("Add", "add.png", () =>
{
var todoItem = new TodoItem();
var todoPage = new TodoItemPage();
todoPage.BindingContext = todoItem;
Navigation.PushAsync(todoPage);
}, 0, 0);
}
ToolbarItems.Add(tbi);
if (Device.OS == TargetPlatform.iOS)
{
var tbi2 = new ToolbarItem("?", null, () => {
var todos = App.Database.GetItemsNotDone();
var tospeak = "";
foreach (var t in todos)
{
tospeak += t.Name + " ";
}
if (tospeak == "")
{
tospeak = "there are no tasks to do";
}
if (todos.Count() > 0)
{
var s = L10n.Localize("SpeakTaskCount", "Number of tasks to do");
tospeak = String.Format(s, todos.Count()) + tospeak;
}
DependencyService.Get <ITextToSpeech>().Speak(tospeak);
}, 0, 0);
ToolbarItems.Add(tbi2);
}
}
public TodoItemPage()
{
this.SetBinding(ContentPage.TitleProperty, "Name");
NavigationPage.SetHasNavigationBar(this, true);
var nameLabel = new Label(); // no Text! localized later
var nameEntry = new Entry();
nameEntry.SetBinding(Entry.TextProperty, "Name");
var notesLabel = new Label(); // no Text! localized later
var notesEntry = new Entry();
notesEntry.SetBinding(Entry.TextProperty, "Notes");
var doneLabel = new Label(); // no Text! localized later
var doneEntry = new Switch();
doneEntry.SetBinding(Switch.IsToggledProperty, "Done");
var saveButton = new Button(); // no Text! localized later
saveButton.Clicked += (sender, e) => {
var todoItem = (TodoItem)BindingContext;
App.Database.SaveItem(todoItem);
this.Navigation.PopAsync();
};
var deleteButton = new Button(); // no Text! localized later
deleteButton.Clicked += (sender, e) => {
var todoItem = (TodoItem)BindingContext;
App.Database.DeleteItem(todoItem.ID);
this.Navigation.PopAsync();
};
var cancelButton = new Button(); // no Text! localized later
cancelButton.Clicked += (sender, e) => {
var todoItem = (TodoItem)BindingContext;
this.Navigation.PopAsync();
};
var speakButton = new Button(); // no Text! localized later
speakButton.Clicked += (sender, e) => {
var todoItem = (TodoItem)BindingContext;
DependencyService.Get <ITextToSpeech>().Speak(todoItem.Name + " " + todoItem.Notes);
};
// Localized text using two different methods:
// refer to the codebehind for AppResources.resx.designer
nameLabel.Text = AppResources.NameLabel;
notesLabel.Text = AppResources.NotesLabel;
doneLabel.Text = AppResources.DoneLabel;
// using ResourceManager
saveButton.Text = L10n.Localize("SaveButton", "Save");
deleteButton.Text = L10n.Localize("DeleteButton", "Delete");
// HACK: included as a 'test' for localizing the picker
// currently not saved to database
var dueDateLabel = new Label {
Text = "Due"
};
var dueDatePicker = new DatePicker();
Content = new StackLayout {
VerticalOptions = LayoutOptions.StartAndExpand,
Padding = new Thickness(20),
Children =
{
nameLabel, nameEntry,
notesLabel, notesEntry,
doneLabel, doneEntry,
dueDateLabel, dueDatePicker,
saveButton, deleteButton, cancelButton, speakButton
}
};
}