Class AbstractElementListSelectionDialog

    • Constructor Detail

      • AbstractElementListSelectionDialog

        protected AbstractElementListSelectionDialog​(Shell parent,
                                                     ILabelProvider renderer)
        Constructs a list selection dialog.
        Parameters:
        parent - The parent for the list.
        renderer - ILabelProvider for the list
    • Method Detail

      • handleDefaultSelected

        protected void handleDefaultSelected()
        Handles default selection (double click). By default, the OK button is pressed.
      • setIgnoreCase

        public void setIgnoreCase​(boolean ignoreCase)
        Specifies if sorting, filtering and folding is case sensitive.
        Parameters:
        ignoreCase -
      • isCaseIgnored

        public boolean isCaseIgnored()
        Returns if sorting, filtering and folding is case sensitive.
        Returns:
        boolean
      • setMatchEmptyString

        public void setMatchEmptyString​(boolean matchEmptyString)
        Specifies whether everything or nothing should be filtered on empty filter string.
        Parameters:
        matchEmptyString - boolean
      • setMultipleSelection

        public void setMultipleSelection​(boolean multipleSelection)
        Specifies if multiple selection is allowed.
        Parameters:
        multipleSelection -
      • setAllowDuplicates

        public void setAllowDuplicates​(boolean allowDuplicates)
        Specifies whether duplicate entries are displayed or not.
        Parameters:
        allowDuplicates -
      • setSize

        public void setSize​(int width,
                            int height)
        Sets the list size in unit of characters.
        Parameters:
        width - the width of the list.
        height - the height of the list.
      • setEmptyListMessage

        public void setEmptyListMessage​(String message)
        Sets the message to be displayed if the list is empty.
        Parameters:
        message - the message to be displayed.
      • setEmptySelectionMessage

        public void setEmptySelectionMessage​(String message)
        Sets the message to be displayed if the selection is empty.
        Parameters:
        message - the message to be displayed.
      • setValidator

        public void setValidator​(ISelectionStatusValidator validator)
        Sets an optional validator to check if the selection is valid. The validator is invoked whenever the selection changes.
        Parameters:
        validator - the validator to validate the selection.
      • setListElements

        protected void setListElements​(Object[] elements)
        Sets the elements of the list (widget).
        Parameters:
        elements - the elements of the list.
      • handleElementsChanged

        protected void handleElementsChanged()
        This method is called when the elements of the backing list are changed to refresh the standard dialog widgets.
        Since:
        3.8
      • setFilter

        public void setFilter​(String filter)
        Sets the filter pattern.
        Parameters:
        filter - the filter pattern.
      • getFilter

        public String getFilter()
        Returns the current filter pattern.
        Returns:
        returns the current filter pattern or null if filter was not set.
      • getSelectionIndices

        protected int[] getSelectionIndices()
        Returns the indices referring the current selection. To be called within open().
        Returns:
        returns the indices of the current selection.
      • getSelectionIndex

        protected int getSelectionIndex()
        Returns an index referring the first current selection. To be called within open().
        Returns:
        returns the indices of the current selection.
      • setSelection

        protected void setSelection​(Object[] selection)
        Sets the selection referenced by an array of elements. Empty or null array removes selection. To be called within open().
        Parameters:
        selection - the indices of the selection.
      • getSelectedElements

        protected Object[] getSelectedElements()
        Returns an array of the currently selected elements. To be called within or after open().
        Returns:
        returns an array of the currently selected elements.
      • getFoldedElements

        public Object[] getFoldedElements​(int index)
        Returns all elements which are folded together to one entry in the list.
        Parameters:
        index - the index selecting the entry in the list.
        Returns:
        returns an array of elements folded together.
      • createMessageArea

        protected Label createMessageArea​(Composite composite)
        Creates the message text widget and sets layout data.
        Overrides:
        createMessageArea in class SelectionDialog
        Parameters:
        composite - the parent composite of the message area.
        Returns:
        the message label
      • handleSelectionChanged

        protected void handleSelectionChanged()
        Handles a selection changed event. By default, the current selection is validated.
      • validateCurrentSelection

        protected boolean validateCurrentSelection()
        Validates the current selection and updates the status line accordingly.
        Returns:
        boolean true if the current selection is valid.
      • cancelPressed

        protected void cancelPressed()
        Description copied from class: Dialog
        Notifies that the cancel button of this dialog has been pressed.

        The Dialog implementation of this framework method sets this dialog's return code to Window.CANCEL and closes the dialog. Subclasses may override if desired.

        Overrides:
        cancelPressed in class Dialog
      • createFilteredList

        protected FilteredList createFilteredList​(Composite parent)
        Creates a filtered list.
        Parameters:
        parent - the parent composite.
        Returns:
        returns the filtered list widget.
      • createFilterText

        protected Text createFilterText​(Composite parent)
      • open

        public int open()
        Description copied from class: Window
        Opens this window, creating it first if it has not yet been created.

        If this window has been configured to block on open ( setBlockOnOpen), this method waits until the window is closed by the end user, and then it returns the window's return code; otherwise, this method returns immediately. A window's return codes are window-specific, although two standard return codes are predefined: OK and CANCEL.

        Overrides:
        open in class Window
        Returns:
        the return code
        See Also:
        Window.create()
      • create

        public void create()
        Description copied from class: Window
        Creates this window's widgetry in a new top-level shell.

        The default implementation of this framework method creates this window's shell (by calling createShell), and its controls (by calling createContents), then initializes this window's shell bounds (by calling initializeBounds).

        Overrides:
        create in class SelectionStatusDialog
      • handleEmptyList

        protected void handleEmptyList()
        Handles empty list by disabling widgets.
      • updateOkState

        protected void updateOkState()
        Update the enablement of the OK button based on whether or not there is a selection.
      • getValidator

        protected ISelectionStatusValidator getValidator()
        Gets the optional validator used to check if the selection is valid. The validator is invoked whenever the selection changes.
        Returns:
        the validator to validate the selection, or null if no validator has been set.
        Since:
        3.5