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object --+ | util.IEventListener --+ | terminal.paintable.IPaintable --+ | object --+ | | | terminal.variable_owner.IVariableOwner --+ | object --+ | | | terminal.sizeable.ISizeable --+ | ui.component.IComponent --+ | object --+ | | | event.method_event_source.IMethodEventSource --+ | ui.abstract_component.AbstractComponent --+ | object --+ | | | color_selector.IColorSelector --+ | ColorPickerGradient
The Class ColorPickerGradient.
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CLIENT_WIDGET = None hash(x) |
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TYPE_MAPPING = 'com.vaadin.addon.colorpicker.ColorPickerGradient'
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Inherited from Inherited from |
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Inherited from |
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Instantiates a new color picker gradient.
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Sets the color.
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Paints any needed component-specific things to the given UIDL stream. The more general paint method handles all general attributes common to all components, and it calls this method to paint any component-specific attributes to the UIDL stream.
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Called when one or more variables handled by the implementing class are changed.
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Registers a new (generic) component event listener for the component: class Listening(CustomComponent, IListener): # Stored for determining the source of an event ok = None status = None # For displaying info about the event def __init__(self): layout = VerticalLayout() # Some miscellaneous component name = TextField("Say it all here") name.addListener(self) name.setImmediate(true) layout.addComponent(name) # Handle button clicks as generic events instead # of Button.ClickEvent events ok = new Button("OK") ok.addListener(self) layout.addComponent(ok) # For displaying information about an event status = new Label("") layout.addComponent(status) setCompositionRoot(layout) def componentEvent(event): # Act according to the source of the event if (event.getSource() == ok): getWindow().showNotification("Click!") status.setValue("Event from " + event.getSource().__class__.__name__ + ": " + event.__class__.__name__) listening = Listening() layout.addComponent(listening)
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Removes a previously registered component event listener from this component.
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Sets the background color.
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Gets the color.
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Notifies the listeners that the color has changed
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