Re: Major API changes about the saving of mime parts

[Philip Van Hoof <spam pvanhoof be>]

ps. I also just renamed TnySaveStrategy to TnyMimePartSaveStrategy

On Sun, 2006-10-15 at 13:57 +0200, Philip Van Hoof wrote:
> Saving the mime part (saving an attachment or a message) isn't
> implemented in the gtk+ default types anymore.
> 
> That simply because the ui for saving it is obviously going to be
> specific per E-mail client.
> 
> Mine used a popup-menu, but that doesn't mean that for example Modest
> should be forced to also use the same popup or reimplement its own
> message view component.
> 
> So I completed the strategy pattern by introducing a client or a
> strategy caller: like the IFlyable and IFlyStrategy of Duck, Plane and
> Bird which would have FlyWithAnimalWingsStrategy, CantFlyStrategy and
> FlyWithMetalWingsStrategy and whatever.
> 
> I created that IFlyable type: TnyMimePartSaver
> 
> What one could do to create a viewer that can alos save a mime part,
> like what the original TnyGtkMsgView did, would be to (for example)
> inherit the TnyGtkMsgView and implement the TnyMimePartSaver interface.
> 
> 
> class MyOwnMsgView extends TnyGtkMsgView implements TnyMimePartSaver
> {
> 	private Button save_button;
> 	private Tny.SaveStrategy saver;
> 
> 	public MyOwnMsgView ()
> 	{
> 		this.save_button = new Button ();
> 
> 		this.save_button.Clicked ... = on_save_button_clicked;
> 	}
> 
> 	public Tny.SaveStrategy get_save_strategy ()
> 	{
> 		if (this.saver == null)
> 			this.saver = new TnyGtk.SaveStrategy ();
> 
> 		return this.saver;
> 	}
> 
> 	public void set_save_strategy (Tny.SaveStrategy s)
> 	{
> 		this.saver = s;
> 	}
> 
> 	public void perform_save (Tny.MimePart part)
> 	{
> 		this.get_save_strategy ().save (part);
> 	}
> 
> 
> 	public void on_save_button_clicked (object sender, ...)
> 	{
> 		this.perform_save (super.get_msg());
> 	}
> }
> 
> 
> 
-- 
Philip Van Hoof, software developer at x-tend 
home: me at pvanhoof dot be 
gnome: pvanhoof at gnome dot org 
work: vanhoof at x-tend dot be 
http://www.pvanhoof.be - http://www.x-tend.be