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Admin le 8 novembre 2017 à 13:54

2017-11-08T13:54:54Z

← Version précédente		Version du 8 novembre 2017 à 13:54
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	First, <font color=#FF8C00>WidData1</font> and <font color=#FF8C00>WidData2</font> will have to implement the [{{PathCurrentJavaDoc}}/fr/cnes/genius/observer/GObservable.html GObservable] interface because these widgets will be the ones that will be first updated and thus have to be observed (they are "observable" !) to know if something has to be done.		First, <font color=#FF8C00>WidData1</font> and <font color=#FF8C00>WidData2</font> will have to implement the [{{PathCurrentJavaDoc}}/fr/cnes/genius/observer/GObservable.html GObservable] interface because these widgets will be the ones that will be first updated and thus have to be observed (they are "observable" !) to know if something has to be done.

	Due to the [{{PathCurrentJavaDoc}}/fr/cnes/genius/observer/GObservable.html GObservable]] interface, the abstract <font color=#4169E1>registerObserver</font>, <font color=#4169E1>unregisterObserver</font> and <font color=#4169E1>notifyObservers</font> methods will have to be implemented inside the <font color=#FF8C00>WidData1</font> and <font color=#FF8C00>WidData2</font> class:		Due to the [{{PathCurrentJavaDoc}}/fr/cnes/genius/observer/GObservable.html GObservable] interface, the abstract <font color=#4169E1>registerObserver</font>, <font color=#4169E1>unregisterObserver</font> and <font color=#4169E1>notifyObservers</font> methods will have to be implemented inside the <font color=#FF8C00>WidData1</font> and <font color=#FF8C00>WidData2</font> class:

	<syntaxhighlight lang="java">		<syntaxhighlight lang="java">
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	</syntaxhighlight>		</syntaxhighlight>

	<font color=#FF8C00>obsList</font> is a ~~<font color=#4169E1>~~GObserverList~~</font>~~ object only used to store a list of "observers" widgets and proposing:		<font color=#FF8C00>obsList</font> is a [{{PathCurrentJavaDoc}}/fr/cnes/genius/observer/GObserverList.html GObserverList] object only used to store a list of "observers" widgets and proposing:
	* a <font color=#4169E1>registerObserver</font> method to store objects that will observe our widget		* a <font color=#4169E1>registerObserver</font> method to store objects that will observe our widget
	* an <font color=#4169E1>unregisterObserver</font> method		* an <font color=#4169E1>unregisterObserver</font> method
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	== GObserver interface ==		== GObserver interface ==

	Secondly, <font color=#FF8C00>WidScenario</font> will have to implement the [{{PathCurrentJavaDoc}}/fr/cnes/genius/observer/GObserver.html GObserver]] interface as it will observe information coming from other widget(s) and, due to this information, an update will occur (or not).		Secondly, <font color=#FF8C00>WidScenario</font> will have to implement the [{{PathCurrentJavaDoc}}/fr/cnes/genius/observer/GObserver.html GObserver] interface as it will observe information coming from other widget(s) and, due to this information, an update will occur (or not).

	Thanks to the [{{PathCurrentJavaDoc}}/fr/cnes/genius/observer/GObserver.html GObserver]] interface, <font color=#FF8C00>WidScenario</font> should implement an <font color=#4169E1>notify</font> method as is:		Thanks to the [{{PathCurrentJavaDoc}}/fr/cnes/genius/observer/GObserver.html GObserver] interface, <font color=#FF8C00>WidScenario</font> should implement an <font color=#4169E1>notify</font> method as is:

	<syntaxhighlight lang="java">		<syntaxhighlight lang="java">

Admin le 8 novembre 2017 à 13:53

2017-11-08T13:53:49Z

← Version précédente		Version du 8 novembre 2017 à 13:53
Ligne 13 :		Ligne 13 :
	First, <font color=#FF8C00>WidData1</font> and <font color=#FF8C00>WidData2</font> will have to implement the [{{PathCurrentJavaDoc}}/fr/cnes/genius/observer/GObservable.html GObservable] interface because these widgets will be the ones that will be first updated and thus have to be observed (they are "observable" !) to know if something has to be done.		First, <font color=#FF8C00>WidData1</font> and <font color=#FF8C00>WidData2</font> will have to implement the [{{PathCurrentJavaDoc}}/fr/cnes/genius/observer/GObservable.html GObservable] interface because these widgets will be the ones that will be first updated and thus have to be observed (they are "observable" !) to know if something has to be done.

	Due to the ~~<font color=#4169E1>~~GObservable~~</font>~~ interface, the abstract <font color=#4169E1>registerObserver</font>, <font color=#4169E1>unregisterObserver</font> and <font color=#4169E1>notifyObservers</font> methods will have to be implemented inside the <font color=#FF8C00>WidData1</font> and <font color=#FF8C00>WidData2</font> class:		Due to the [{{PathCurrentJavaDoc}}/fr/cnes/genius/observer/GObservable.html GObservable]] interface, the abstract <font color=#4169E1>registerObserver</font>, <font color=#4169E1>unregisterObserver</font> and <font color=#4169E1>notifyObservers</font> methods will have to be implemented inside the <font color=#FF8C00>WidData1</font> and <font color=#FF8C00>WidData2</font> class:

	<syntaxhighlight lang="java">		<syntaxhighlight lang="java">
Ligne 67 :		Ligne 67 :
	== GObserver interface ==		== GObserver interface ==

	Secondly, <font color=#FF8C00>WidScenario</font> will have to implement the ~~<font color=#4169E1>~~GObserver~~</font>~~ interface as it will observe information coming from other widget(s) and, due to this information, an update will occur (or not).		Secondly, <font color=#FF8C00>WidScenario</font> will have to implement the [{{PathCurrentJavaDoc}}/fr/cnes/genius/observer/GObserver.html GObserver]] interface as it will observe information coming from other widget(s) and, due to this information, an update will occur (or not).

	Thanks to the ~~<font color=#4169E1>~~GObserver~~</font>~~ interface, <font color=#FF8C00>WidScenario</font> should implement an <font color=#4169E1>notify</font> method as is:		Thanks to the [{{PathCurrentJavaDoc}}/fr/cnes/genius/observer/GObserver.html GObserver]] interface, <font color=#FF8C00>WidScenario</font> should implement an <font color=#4169E1>notify</font> method as is:

	<syntaxhighlight lang="java">		<syntaxhighlight lang="java">

Admin le 8 novembre 2017 à 13:52

2017-11-08T13:52:40Z

← Version précédente		Version du 8 novembre 2017 à 13:52
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	== GObservable interface ==		== GObservable interface ==

	First, <font color=#FF8C00>WidData1</font> and <font color=#FF8C00>WidData2</font> will have to implement the [{{PathCurrentJavaDoc}}/fr/cnes/genius/observer/GObservable.html GObservable]] interface because these widgets will be the ones that will be first updated and thus have to be observed (they are "observable" !) to know if something has to be done.		First, <font color=#FF8C00>WidData1</font> and <font color=#FF8C00>WidData2</font> will have to implement the [{{PathCurrentJavaDoc}}/fr/cnes/genius/observer/GObservable.html GObservable] interface because these widgets will be the ones that will be first updated and thus have to be observed (they are "observable" !) to know if something has to be done.

	Due to the <font color=#4169E1>GObservable</font> interface, the abstract <font color=#4169E1>registerObserver</font>, <font color=#4169E1>unregisterObserver</font> and <font color=#4169E1>notifyObservers</font> methods will have to be implemented inside the <font color=#FF8C00>WidData1</font> and <font color=#FF8C00>WidData2</font> class:		Due to the <font color=#4169E1>GObservable</font> interface, the abstract <font color=#4169E1>registerObserver</font>, <font color=#4169E1>unregisterObserver</font> and <font color=#4169E1>notifyObservers</font> methods will have to be implemented inside the <font color=#FF8C00>WidData1</font> and <font color=#FF8C00>WidData2</font> class:

Admin le 8 novembre 2017 à 13:52

2017-11-08T13:52:25Z

← Version précédente		Version du 8 novembre 2017 à 13:52
Ligne 11 :		Ligne 11 :
	== GObservable interface ==		== GObservable interface ==

	First, <font color=#FF8C00>WidData1</font> and <font color=#FF8C00>WidData2</font> will have to implement the [{{PathCurrentJavaDoc}}/fr/cnes/genius/observer/GObservable.html GObservable]		First, <font color=#FF8C00>WidData1</font> and <font color=#FF8C00>WidData2</font> will have to implement the [{{PathCurrentJavaDoc}}/fr/cnes/genius/observer/GObservable.html GObservable]] interface because these widgets will be the ones that will be first updated and thus have to be observed (they are "observable" !) to know if something has to be done.
	~~<font color=#4169E1>GObservable</font>~~ interface because these widgets will be the ones that will be first updated and thus have to be observed (they are "observable" !) to know if something has to be done.

	Due to the <font color=#4169E1>GObservable</font> interface, the abstract <font color=#4169E1>registerObserver</font>, <font color=#4169E1>unregisterObserver</font> and <font color=#4169E1>notifyObservers</font> methods will have to be implemented inside the <font color=#FF8C00>WidData1</font> and <font color=#FF8C00>WidData2</font> class:		Due to the <font color=#4169E1>GObservable</font> interface, the abstract <font color=#4169E1>registerObserver</font>, <font color=#4169E1>unregisterObserver</font> and <font color=#4169E1>notifyObservers</font> methods will have to be implemented inside the <font color=#FF8C00>WidData1</font> and <font color=#FF8C00>WidData2</font> class:

Admin le 8 novembre 2017 à 13:51

2017-11-08T13:51:50Z

← Version précédente		Version du 8 novembre 2017 à 13:51
Ligne 11 :		Ligne 11 :
	== GObservable interface ==		== GObservable interface ==

	First, <font color=#FF8C00>WidData1</font> and <font color=#FF8C00>WidData2</font> will have to implement the <font color=#4169E1>GObservable</font> interface because these widgets will be the ones that will be first updated and thus have to be observed (they are "observable" !) to know if something has to be done.		First, <font color=#FF8C00>WidData1</font> and <font color=#FF8C00>WidData2</font> will have to implement the [{{PathCurrentJavaDoc}}/fr/cnes/genius/observer/GObservable.html GObservable]
			<font color=#4169E1>GObservable</font> interface because these widgets will be the ones that will be first updated and thus have to be observed (they are "observable" !) to know if something has to be done.

	Due to the <font color=#4169E1>GObservable</font> interface, the abstract <font color=#4169E1>registerObserver</font>, <font color=#4169E1>unregisterObserver</font> and <font color=#4169E1>notifyObservers</font> methods will have to be implemented inside the <font color=#FF8C00>WidData1</font> and <font color=#FF8C00>WidData2</font> class:		Due to the <font color=#4169E1>GObservable</font> interface, the abstract <font color=#4169E1>registerObserver</font>, <font color=#4169E1>unregisterObserver</font> and <font color=#4169E1>notifyObservers</font> methods will have to be implemented inside the <font color=#FF8C00>WidData1</font> and <font color=#FF8C00>WidData2</font> class:

Admin le 5 mai 2017 à 12:59

2017-05-05T12:59:16Z

← Version précédente		Version du 5 mai 2017 à 12:59
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	Imagine that :		Imagine that :
	- we have two widgets, <font color=#FF8C00>WidData1</font> and <font color=#FF8C00>WidData2</font>, including some specific data information		# we have two widgets, <font color=#FF8C00>WidData1</font> and <font color=#FF8C00>WidData2</font>, including some specific data information
	- we have a widget, <font color=#FF8C00>WidScenario</font> that defines a scenario thanks to some data included in previous widgets.		# we have a widget, <font color=#FF8C00>WidScenario</font> that defines a scenario thanks to some data included in previous widgets.

	=== GObservable interface ===		== GObservable interface ==

	First, <font color=#FF8C00>WidData1</font> and <font color=#FF8C00>WidData2</font> will have to implement the <font color=#4169E1>GObservable</font> interface because these widgets will be the ones that will be first updated and thus have to be observed (they are "observable" !) to know if something has to be done.		First, <font color=#FF8C00>WidData1</font> and <font color=#FF8C00>WidData2</font> will have to implement the <font color=#4169E1>GObservable</font> interface because these widgets will be the ones that will be first updated and thus have to be observed (they are "observable" !) to know if something has to be done.
Ligne 16 :		Ligne 16 :

	<syntaxhighlight lang="java">		<syntaxhighlight lang="java">

	GObserverList obsList;		GObserverList obsList;

Ligne 35 :		Ligne 34 :
	obsList.notifyObservers(this, args);		obsList.notifyObservers(this, args);
	}		}

	</syntaxhighlight>		</syntaxhighlight>

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	// arg0.getLocalSource() or arg0.getFinalSource()		// arg0.getLocalSource() or arg0.getFinalSource()
	notifyObservers();		notifyObservers();


	}		}
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	</syntaxhighlight>		</syntaxhighlight>

	=== GObserver interface ===		== GObserver interface ==

	Secondly, <font color=#FF8C00>WidScenario</font> will have to implement the <font color=#4169E1>GObserver</font> interface as it will observe information coming from other widget(s) and, due to this information, an update will occur (or not).		Secondly, <font color=#FF8C00>WidScenario</font> will have to implement the <font color=#4169E1>GObserver</font> interface as it will observe information coming from other widget(s) and, due to this information, an update will occur (or not).
Ligne 93 :		Ligne 90 :
	We see that the way to manage which object sent information is done by using <font color=#FF8C00>instanceof</font> syntax.		We see that the way to manage which object sent information is done by using <font color=#FF8C00>instanceof</font> syntax.

	=== Links between updated and updatable objects ===		== Links between updated and updatable objects ==

	At last, in the main code we will have just to write something like this:		At last, in the main code we will have just to write something like this:

Admin le 5 mai 2017 à 12:58

2017-05-05T12:58:29Z

← Version précédente		Version du 5 mai 2017 à 12:58
Ligne 3 :		Ligne 3 :
	A first solution could be to use static objects but it is strongly not recommanded.		A first solution could be to use static objects but it is strongly not recommanded.

	Another solution is avalaible since the 1.5 version ~~(for the 1.3 and 1.4 version, we could use same objects but only available via GENIUS_ADDONS library or given as a separated package {{:utilities:gobserver.zip\|there}})~~. We will describe hereafter.		Another solution is avalaible since the 1.5 version. We will describe hereafter.

	Imagine that :		Imagine that :

Admin le 5 mai 2017 à 12:57

2017-05-05T12:57:49Z

@@ Ligne 1 : / Ligne 1 : @@
-TBW ...
+Sometimes, it is needed to update the content of a widget depending on the modification done on another one. If both of them are included in a higher level widget, it can be done relatively easily. But in case of these widgets are displayed in different panels (for example inside a GTabbedPane), it may be difficult to manage it.
 [[WELCOME_TO_THE_GENIUS_WIKI|Return to the introduction ↑]]
 [[GTabbedPane|Go to the next page →]]

Admin : Page créée avec « TBW ... Return to the introduction ↑ Go to the next page → »

2017-05-04T15:45:13Z

Page créée avec « TBW ... Return to the introduction ↑ Go to the next page → »

Nouvelle page

TBW ...

[[WELCOME_TO_THE_GENIUS_WIKI|Return to the introduction ↑]]
[[GTabbedPane|Go to the next page →]]

Update data - Historique des versions

Admin le 8 novembre 2017 à 13:54

Admin le 8 novembre 2017 à 13:53

Admin le 8 novembre 2017 à 13:52

Admin le 8 novembre 2017 à 13:52

Admin le 8 novembre 2017 à 13:51

Admin le 5 mai 2017 à 12:59

Admin le 5 mai 2017 à 12:58

Admin le 5 mai 2017 à 12:57

Admin : Page créée avec « TBW ... Return to the introduction ↑ Go to the next page → »

Admin : Page créée avec « TBW ... Return to the introduction ↑ Go to the next page → »