Class AutoCompleteValueComboChooserViewer

    • Constructor Detail

      • AutoCompleteValueComboChooserViewer

        public AutoCompleteValueComboChooserViewer​(org.eclipse.swt.widgets.Composite parent,
                                                   int style,
                                                   org.eclipse.ui.forms.widgets.FormToolkit toolkit,
                                                   int maxDecorationWidth)
        Parameters:
        parent - the parent control, cannot be null
        style - the SWT style bits
        toolkit - the reference to the toolkit context, cannot be null
        maxDecorationWidth - maximum width of the decoration shown in the content area.
    • Method Detail

      • modifyText

        public void modifyText​(org.eclipse.swt.events.ModifyEvent event)
        Specified by:
        modifyText in interface org.eclipse.swt.events.ModifyListener
      • handleEvent

        public void handleEvent​(org.eclipse.swt.widgets.Event event)
        Specified by:
        handleEvent in interface org.eclipse.swt.widgets.Listener
      • focusGained

        public void focusGained​(org.eclipse.swt.events.FocusEvent event)
        Specified by:
        focusGained in interface org.eclipse.swt.events.FocusListener
      • focusLost

        public void focusLost​(org.eclipse.swt.events.FocusEvent event)
        Specified by:
        focusLost in interface org.eclipse.swt.events.FocusListener
      • isAllowed

        protected boolean isAllowed​(char character)
        Returns whether the given control character is allowed for auto complete popup providing.
        Parameters:
        character - the control character to check
        Returns:
        whether the given control character is allowed for auto complete popup providing
      • buildProposals

        protected com.google.common.collect.Multimap<String,​Object> buildProposals​(Iterable<Object> input)
        Build proposals for the viewer auto completion. Default implementation uses ILabelProvider to get proposal text. Allows non-unique input object text presentation. Returns multi map:
        • key - string representation for the target object
        • value - the target object
        Parameters:
        input - an iterable input of the viewer, cannot be null, can be empty
        Returns:
        proposals multi map for the viewer auto completion, never null
      • getLabelText

        protected String getLabelText​(Object object)
        Returns label text for the given input object.
        Parameters:
        object - the input object to get label text for, cannot be null
        Returns:
        the label text for the given input object, never null
      • initializeAutoComplete

        protected void initializeAutoComplete()
        Initialize auto completion support for this viewer.
      • extractSelection

        protected IStructuredSelection extractSelection​(String typedValue)
        Try to extract IStructuredSelection from given text input. Can return structured selection with item from current input of combo viewer or empty selection.
        Parameters:
        typedValue - text input to extract structured selection from, cannot be null
        Returns:
        extracted structured selection, never null, can be empty
      • ensureEnabled

        protected void ensureEnabled()
        Enable auto complete if it is not already enabled.
      • ensureDisabled

        protected void ensureDisabled()
        Disable auto complete if it is enabled.