region.show = function(view,force_flush,force_no_waiting) {
vent.trigger('screen:leave',App.getCurrentScreenData(),App.getQueriedScreen(),currentView);
App.addQueriedScreenToHistory(force_flush);
showView(view,force_no_waiting);
};
var switchScreen = function( view, force_flush, force_no_waiting ) {
var queried_screen = App.getQueriedScreen();
vent.trigger( 'screen:leave', App.getCurrentScreenData(), queried_screen, currentView );
App.addQueriedScreenToHistory( force_flush );
if ( view.is_static ) {
memorizeScreenStaticView( queried_screen, view );
}
showView( view, force_no_waiting );
};
region.show = function( view_type, view_data, screen_data ) {
App.setQueriedScreen( screen_data );
var queried_screen = App.getQueriedScreen();
/**
* Use this 'redirect' filter to redirect to a different screen than the queried one,
* just before it is showed.
*
* To redirect to a different screen from the filter callback (in themes) :
* - call App.navigate('your_screen_route');
* - return true
*
* Implementation note : This has to be a filter (not action) so that we
* can stop the showing process if true is returned.
*/
var redirect = Hooks.applyFilters( 'redirect', false, [queried_screen, App.getCurrentScreenData()] );
if( redirect ) {
return;
}
/**
* Use this 'is-static-screen' filter to decide whether a screen
* is static or not. A static screen is never refreshed or re-rendered
* by the app core.
*/
var is_static = Hooks.applyFilters( 'is-static-screen', false, [ queried_screen ] )
if ( is_static ) {
var screen_view = getScreenStaticView( queried_screen );
if ( screen_view !== null ) {
screen_view.checkTemplate( function() {
switchScreen( screen_view );
} );
} else {
createNewView( view_type, view_data, is_static, function( newview ) {
newview.checkTemplate( function() {
switchScreen( newview );
} );
} );
}
} else {
createNewView( view_type, view_data, is_static, function( newview ) {
newview.checkTemplate( function() {
switchScreen( newview );
} );
} );
}
}
setTemplate : function(default_template,fallback_template){
var template = default_template != undefined ? default_template : '';
template = Hooks.applyFilters('template',template,[App.getQueriedScreen()]);
if( template != ''){
this.template_name = template;
if( fallback_template != undefined && fallback_template != ''){
this.fallback_template_name = fallback_template;
}
}
}