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object --+ | util.IEventListener --+ | IPaintable
Interface implemented by all classes that can be painted. Classes implementing this interface know how to output themselves to a UIDL stream and that way describing to the terminal how it should be displayed in the UI.
Version: 1.1.2
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Paints the IPaintable into a UIDL stream. This method creates the UIDL sequence describing it and outputs it to the given UIDL stream. It is called when the contents of the component should be painted in response to the component first being shown or having been altered so that its visual representation is changed.
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Adds an unique id for component that get's transferred to terminal for testing purposes. Keeping identifiers unique throughout the Application instance is on programmers responsibility. Note, that with the current terminal implementation the identifier cannot be changed while the component is visible. This means that the identifier should be set before the component is painted for the first time and kept the same while visible in the client.
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Get's currently set debug identifier
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Adds repaint request listener. In order to assure that no repaint requests are missed, the new repaint listener should paint the paintable right after adding itself as listener.
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Removes repaint request listener.
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Request sending of repaint events on any further visible changes. Normally the paintable only send up to one repaint request for listeners after paint as the paintable as the paintable assumes that the listeners already know about the repaint need. This method resets the assumtion. Paint implicitly does the assumtion reset functionality implemented by this method. This method is normally used only by the terminals to note paintables about implicit repaints (painting the component without actually invoking paint method). |
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