OWF 7 Developer Point to Point Widgets
Included with the widgets that ship in the OWF bundle are the point-to-point Color Server and the point-to-point Color Client. Together, these two widgets showcase point-to-point eventing.
A brief description of these two widgets and how they work together can be found below:
#1 Color Server Widget
Figure: Color Server Widget
The Color Server Widget performs two functions, each shown in the code block which follows. The getColors()function returns a list of all supported colors. The second function, changeColor(color), can change the background color. On load of this widget, both functions are registered via the Ozone.eventing.clientInitialize() function, enabling them to be called remotely. In the example below, they are be called by a user from the Color Client Widget shown in section 2: Color Client Widget.
The code for the Color Server Widget is shown below:
#2 Color Client Widget
Figure: Color Client Widget
The Color Client widget contains a button that, when clicked, calls the Color Server’s getColors() function to populate the adjacent dropdown list with the colors supported by the Color Server Widget. When a user selects a color from the dropdown menu , the client calls the server’s changeColor() method to change the server widget’s background color. The function is wrapped inside the Ozone.eventing.importWidget() function to obtain a reference to the remote server endpoint.
The code for the Color Client Widget is shown below:
