net.sf.mmm.client.ui.api.feature

Interface UiFeatureFocus

All Superinterfaces:

AttributeReadFocused, AttributeWriteFocused, AttributeWriteOnlyFocused, UiFeature

All Known Subinterfaces:

UiWidgetAbstractButton, UiWidgetActive, UiWidgetButton, UiWidgetCheckboxesField<VALUE>, UiWidgetCheckboxField, UiWidgetClickable, UiWidgetCodeAreaField, UiWidgetColorField, UiWidgetComboboxField<VALUE>, UiWidgetDateField, UiWidgetDoubleField, UiWidgetField<VALUE>, UiWidgetFileField, UiWidgetInstantField, UiWidgetIntegerField, UiWidgetIntegerSliderField, UiWidgetLink, UiWidgetListBoxField<VALUE>, UiWidgetLocalDateField, UiWidgetLocalTimeField, UiWidgetLongField, UiWidgetMenuItemClickable, UiWidgetOptionsField<VALUE>, UiWidgetPasswordField, UiWidgetRadioButtonsField<VALUE>, UiWidgetRadioButtonsVerticalField<VALUE>, UiWidgetRangeField<VALUE>, UiWidgetRichTextField, UiWidgetTextAreaField, UiWidgetTextField, UiWidgetTextualInputField<VALUE>, UiWidgetToggleButton

All Known Implementing Classes:

AbstractUiWidgetAbstractButton, AbstractUiWidgetAbstractDataSet, AbstractUiWidgetAbstractDataTable, AbstractUiWidgetAbstractListTable, AbstractUiWidgetActive, AbstractUiWidgetButton, AbstractUiWidgetCheckboxField, AbstractUiWidgetClickable, AbstractUiWidgetCodeAreaField, AbstractUiWidgetCollapsableSection, AbstractUiWidgetColorField, AbstractUiWidgetComboboxField, AbstractUiWidgetDateField, AbstractUiWidgetDoubleField, AbstractUiWidgetField, AbstractUiWidgetFileField, AbstractUiWidgetInstantField, AbstractUiWidgetIntegerField, AbstractUiWidgetIntegerSliderField, AbstractUiWidgetLink, AbstractUiWidgetListBoxField, AbstractUiWidgetListTable, AbstractUiWidgetLocalDateField, AbstractUiWidgetLocalTimeField, AbstractUiWidgetLongField, AbstractUiWidgetMenuItemClickable, AbstractUiWidgetNumberField, AbstractUiWidgetOptionsField, AbstractUiWidgetPasswordField, AbstractUiWidgetRadioButtonsField, AbstractUiWidgetRadioButtonsVerticalField, AbstractUiWidgetRangeField, AbstractUiWidgetRichTextField, AbstractUiWidgetTextAreaField, AbstractUiWidgetTextAreaFieldBase, AbstractUiWidgetTextField, AbstractUiWidgetTextFieldBase, AbstractUiWidgetTextualInputField, AbstractUiWidgetToggleButton, AbstractUiWidgetTree, UiWidgetButtonGwt, UiWidgetButtonTestImpl, UiWidgetCheckboxFieldGwt, UiWidgetCheckboxFieldTestImpl, UiWidgetCodeAreaFieldTestImpl, UiWidgetCollapsableSectionGwt, UiWidgetCollapsableSectionTestImpl, UiWidgetColorFieldGwt, UiWidgetColorFieldTestImpl, UiWidgetComboboxFieldGwt, UiWidgetComboboxFieldTestImpl, UiWidgetCustomButton, UiWidgetCustomButtonSave, UiWidgetCustomField, UiWidgetCustomFieldAtomic, UiWidgetCustomFieldComposite, UiWidgetDateFieldGwt, UiWidgetDateFieldTestImpl, UiWidgetDoubleFieldGwt, UiWidgetDoubleFieldTestImpl, UiWidgetFileFieldGwt, UiWidgetFileFieldTestImpl, UiWidgetIntegerFieldGwt, UiWidgetIntegerFieldTestImpl, UiWidgetIntegerSliderFieldGwt, UiWidgetIntegerSliderFieldTestImpl, UiWidgetLinkGwt, UiWidgetLinkTestImpl, UiWidgetListTableGwt, UiWidgetLocalDateFieldGwt, UiWidgetLocalDateFieldTestImpl, UiWidgetLocalTimeFieldGwt, UiWidgetLocalTimeFieldTestImpl, UiWidgetLongFieldGwt, UiWidgetLongFieldTestImpl, UiWidgetMenuItemClickableGwt, UiWidgetMenuItemClickableTestImpl, UiWidgetPasswordFieldGwt, UiWidgetPasswordFieldTestImpl, UiWidgetRadioButtonsFieldGwt, UiWidgetRadioButtonsTestImpl, UiWidgetRadioButtonsVerticalFieldGwt, UiWidgetRadioButtonsVerticalFieldTestImpl, UiWidgetRichTextFieldGwt, UiWidgetRichTextFieldTestImpl, UiWidgetTextAreaFieldGwt, UiWidgetTextAreaFieldTestImpl, UiWidgetTextFieldGwt, UiWidgetTextFieldTestImpl, UiWidgetToggleButtonGwt, UiWidgetTreeGwt, UiWidgetTreeTestImpl

public interface UiFeatureFocus
extends UiFeature, AttributeWriteFocused

This is the interface for the features of a focusable object. It can check and set its focus and allows to add and remove instances of UiHandlerEventFocus.

Since:

1.0.0

Author:

Joerg Hohwiller (hohwille at users.sourceforge.net)

Method Summary

Modifier and Type	Method and Description
void	addFocusHandler(UiHandlerEventFocus handler) This method adds the given UiHandlerEventFocus to this object.
boolean	removeFocusHandler(UiHandlerEventFocus handler) This method removes the given UiHandlerEventFocus from this object.

Methods inherited from interface net.sf.mmm.client.ui.api.attribute.AttributeReadFocused

isFocused

Methods inherited from interface net.sf.mmm.client.ui.api.attribute.AttributeWriteOnlyFocused

setFocused

Method Detail

addFocusHandler

void addFocusHandler(UiHandlerEventFocus handler)

This method adds the given UiHandlerEventFocus to this object.

Parameters:

handler - is the UiHandlerEventFocus to add.

removeFocusHandler

boolean removeFocusHandler(UiHandlerEventFocus handler)

This method removes the given UiHandlerEventFocus from this object.

Parameters:

handler - is the UiHandlerEventFocus to remove.

Returns:

true if the handler has been removed successfully, false if it was NOT registered and nothing has changed.