async void OnCancelClicked(object sender, EventArgs args)
{
if (await DisplayAlert("Note Taker", "Cancel note edit?",
"Yes", "No"))
{
// Reload note.
await Note.LoadAsync();
// Return to home page.
await Navigation.PopAsync();
}
}
async void GetFilesAsync()
{
// Sort the filenames.
IEnumerable<string> filenames =
from filename in await FileHelper.GetFilesAsync()
where filename.EndsWith(".note")
orderby (filename)
select filename;
// Store them in the Notes collection.
foreach (string filename in filenames)
{
Note note = new Note(filename);
await note.LoadAsync();
this.Notes.Add(note);
}
}
async void GetFilesAsync()
{
// Sort the filenames.
IEnumerable <string> filenames =
from filename in await FileHelper.GetFilesAsync()
where filename.EndsWith(".note")
orderby(filename)
select filename;
// Store them in the Notes collection.
foreach (string filename in filenames)
{
Note note = new Note(filename);
await note.LoadAsync();
this.Notes.Add(note);
}
}
public NotePage(Note note, bool isNoteEdit = false)
{
// Initialize Note object
this.note = note;
this.isNoteEdit = isNoteEdit;
Title = isNoteEdit ? "Edit Note" : "New Note";
// Create Entry and Editor views.
Entry entry = new Entry
{
Placeholder = "Title (optional)"
};
Editor editor = new Editor
{
Keyboard = Keyboard.Create(KeyboardFlags.All),
BackgroundColor = Device.OnPlatform(Color.Default,
Color.Default,
Color.White),
VerticalOptions = LayoutOptions.FillAndExpand
};
// Set data bindings.
this.BindingContext = note;
entry.SetBinding(Entry.TextProperty, "Title");
editor.SetBinding(Editor.TextProperty, "Text");
// Assemble page.
StackLayout stackLayout = new StackLayout
{
Children =
{
new Label {
Text = "Title:"
},
entry,
new Label {
Text = "Note:"
},
editor,
}
};
if (isNoteEdit)
{
// Cancel toolbar item.
ToolbarItem cancelItem = new ToolbarItem
{
Name = "Cancel",
Icon = Device.OnPlatform("cancel.png",
"ic_action_cancel.png",
"Images/cancel.png"),
Order = ToolbarItemOrder.Primary
};
cancelItem.Activated += async(sender, args) =>
{
bool confirm = await this.DisplayAlert("Note Taker",
"Cancel note edit?",
"Yes", "No");
if (confirm)
{
// Reload note.
await note.LoadAsync();
// Return to home page.
await this.Navigation.PopAsync();
}
};
this.ToolbarItems.Add(cancelItem);
// Delete toolbar item.
ToolbarItem deleteItem = new ToolbarItem
{
Name = "Delete",
Icon = Device.OnPlatform("discard.png",
"ic_action_discard.png",
"Images/delete.png"),
Order = ToolbarItemOrder.Primary
};
deleteItem.Activated += async(sender, args) =>
{
bool confirm = await this.DisplayAlert("Note Taker",
"Delete this note?",
"Yes", "No");
if (confirm)
{
// Delete Note file and remove from collection.
await note.DeleteAsync();
App.NoteFolder.Notes.Remove(note);
// Return to home page.
await this.Navigation.PopAsync();
}
};
this.ToolbarItems.Add(deleteItem);
}
this.Content = stackLayout;
}
public NotePage(Note note, bool isNoteEdit = false)
{
// Initialize Note object
this.note = note;
this.isNoteEdit = isNoteEdit;
Title = isNoteEdit ? "Edit Note" : "New Note";
// Create Entry and Editor views.
Entry entry = new Entry
{
Placeholder = "Title (optional)"
};
Editor editor = new Editor
{
Keyboard = Keyboard.Create(KeyboardFlags.All),
BackgroundColor = Device.OnPlatform(Color.Default,
Color.Default,
Color.White),
VerticalOptions = LayoutOptions.FillAndExpand
};
// Set data bindings.
this.BindingContext = note;
entry.SetBinding(Entry.TextProperty, "Title");
editor.SetBinding(Editor.TextProperty, "Text");
// Assemble page.
StackLayout stackLayout = new StackLayout
{
Children =
{
new Label { Text = "Title:" },
entry,
new Label { Text = "Note:" },
editor,
}
};
if (isNoteEdit)
{
// Cancel toolbar item.
ToolbarItem cancelItem = new ToolbarItem
{
Name = "Cancel",
Icon = Device.OnPlatform("cancel.png",
"ic_action_cancel.png",
"Images/cancel.png"),
Order = ToolbarItemOrder.Primary
};
cancelItem.Activated += async (sender, args) =>
{
bool confirm = await this.DisplayAlert("Note Taker",
"Cancel note edit?",
"Yes", "No");
if (confirm)
{
// Reload note.
await note.LoadAsync();
// Return to home page.
await this.Navigation.PopAsync();
}
};
this.ToolbarItems.Add(cancelItem);
// Delete toolbar item.
ToolbarItem deleteItem = new ToolbarItem
{
Name = "Delete",
Icon = Device.OnPlatform("discard.png",
"ic_action_discard.png",
"Images/delete.png"),
Order = ToolbarItemOrder.Primary
};
deleteItem.Activated += async (sender, args) =>
{
bool confirm = await this.DisplayAlert("Note Taker",
"Delete this note?",
"Yes", "No");
if (confirm)
{
// Delete Note file and remove from collection.
await note.DeleteAsync();
App.NoteFolder.Notes.Remove(note);
// Return to home page.
await this.Navigation.PopAsync();
}
};
this.ToolbarItems.Add(deleteItem);
}
this.Content = stackLayout;
}
