Class: KeepYourHead::WindowEdit::LazyUpdate
- Inherits:
-
Object
- Object
- KeepYourHead::WindowEdit::LazyUpdate
- Defined in:
- lib/Keepyourhead/gui/WindowEdit.rb
Constant Summary collapse
- Delay =
0.5
- Timeout =
1000 * Delay / 3.0 * 1.1
Instance Attribute Summary collapse
-
#running ⇒ Object
Returns the value of attribute running.
-
#selected ⇒ Object
Returns the value of attribute selected.
-
#state ⇒ Object
Returns the value of attribute state.
-
#view ⇒ Object
Returns the value of attribute view.
-
#when ⇒ Object
Returns the value of attribute when.
Instance Method Summary collapse
-
#initialize(view) ⇒ LazyUpdate
constructor
A new instance of LazyUpdate.
- #restart ⇒ Object
Constructor Details
#initialize(view) ⇒ LazyUpdate
Returns a new instance of LazyUpdate.
283 284 285 286 |
# File 'lib/Keepyourhead/gui/WindowEdit.rb', line 283 def initialize( view ) self.running = false self.view = view end |
Instance Attribute Details
#running ⇒ Object
Returns the value of attribute running.
278 279 280 |
# File 'lib/Keepyourhead/gui/WindowEdit.rb', line 278 def running @running end |
#selected ⇒ Object
Returns the value of attribute selected.
278 279 280 |
# File 'lib/Keepyourhead/gui/WindowEdit.rb', line 278 def selected @selected end |
#state ⇒ Object
Returns the value of attribute state.
278 279 280 |
# File 'lib/Keepyourhead/gui/WindowEdit.rb', line 278 def state @state end |
#view ⇒ Object
Returns the value of attribute view.
278 279 280 |
# File 'lib/Keepyourhead/gui/WindowEdit.rb', line 278 def view @view end |
#when ⇒ Object
Returns the value of attribute when.
278 279 280 |
# File 'lib/Keepyourhead/gui/WindowEdit.rb', line 278 def when @when end |
Instance Method Details
#restart ⇒ Object
288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 |
# File 'lib/Keepyourhead/gui/WindowEdit.rb', line 288 def restart if not self.selected == view.selected then if view.selected.kind_of? Database::Flashcard then self.selected = view.selected else self.selected = nil # no more updates end end view.updateImages if view.selected == self.selected self.state = :waiting self.when = Time.now + Delay if not self.running then self.running = true Gtk.timeout_add( Timeout ) { if self.state == :waiting and self.when < Time.now then self.state = :running Thread.new { begin $cache.getCacheItem( self.selected, Database::FRONT ) if self.selected $cache.getCacheItem( self.selected, Database::BACK ) if self.selected rescue puts $!.backtrace, $! end } end if self.state == :running then ret = true $cache.hasCacheItem( self.selected, Database::FRONT ) {|cacheItem| ret &&= cacheItem } if self.selected $cache.hasCacheItem( self.selected, Database::BACK ) { |cacheItem| ret &&= cacheItem } if self.selected if ret then self.state = :done end view.updateImages if view.selected == self.selected end self.running = (self.state != :done) self.running } end end |