Package com.iizigo.text

Class TextTableContentProvider

java.lang.Object
com.iizigo.text.TextTableContentProvider
All Implemented Interfaces:
EventListener, IContentProvider, IStructuredContentProvider, ITreeContentProvider
public class TextTableContentProvider extends Object implements ITreeContentProvider, EventListener
A content provider for a StringMapProp.
Author:
Christopher Mindus

  • Field Details

    • TYPE_FROM_ORIGINAL

      public static final int TYPE_FROM_ORIGINAL
      Default type: the text IDs from edited table are the only ones shown.
      See Also:

    • TYPE_UNION

      public static final int TYPE_UNION
      Union of all text types from all tables.
      See Also:

    • TYPE_INTERSECTION

      public static final int TYPE_INTERSECTION
      Intersection of all text types from all tables.
      See Also:

  • Constructor Details

    • TextTableContentProvider

      public TextTableContentProvider()
      The StringMapProp being used for the table.

  • Method Details

    • setType

      public void setType(int type)
      Sets the type of content: TYPE_*.

    • onEvent

      public void onEvent(GEvent event)
      Called to process an event.
      Specified by:
      onEvent in interface EventListener
      Parameters:
      event - The event.

    • inputChanged

      public void inputChanged(Viewer viewer, Object oldInput, Object newInput)
      Notifies this content provider that the given viewer's input has been switched to a different element.

      A typical use for this method is registering the content provider as a listener to changes on the new input (using model-specific means), and deregistering the viewer from the old input. In response to these change notifications, the content provider should update the viewer (see the add, remove, update and refresh methods on the viewers).

      The viewer should not be updated during this call, as it might be in the process of being disposed.

      Specified by:
      inputChanged in interface IContentProvider
      Parameters:
      viewer - the viewer
      oldInput - the old input element, or null if the viewer did not previously have an input
      newInput - the new input element, or null if the viewer does not have an input. The new input must be a Object [] of EditorTextTable.

    • dispose

      public void dispose()
      Disposes of this content provider. This is called by the viewer when it is disposed.

      The viewer should not be updated during this call, as it is in the process of being disposed.

      Specified by:
      dispose in interface IContentProvider

    • getElements

      public Object[] getElements(Object inputElement)

      NOTE: The returned array must not contain the given inputElement, since this leads to recursion issues in AbstractTreeViewer (see bug 9262).

      Specified by:
      getElements in interface IStructuredContentProvider
      Specified by:
      getElements in interface ITreeContentProvider

    • getChildren

      public Object[] getChildren(Object parentElement)
      Returns the child elements of the given parent element.

      The difference between this method and IStructuredContentProvider.getElements is that getElements is called to obtain the tree viewer's root elements, whereas getChildren is used to obtain the children of a given parent element in the tree (including a root).

      The result is not modified by the viewer.
      Specified by:
      getChildren in interface ITreeContentProvider
      Parameters:
      parentElement - the parent element
      Returns:
      an array of child elements

    • getParent

      public Object getParent(Object element)
      Returns the parent for the given element, or null indicating that the parent can't be computed. In this case the tree-structured viewer can't expand a given node correctly if requested.
      Specified by:
      getParent in interface ITreeContentProvider
      Parameters:
      element - the element
      Returns:
      the parent element, or null if it has none or if the parent cannot be computed

    • hasChildren

      public boolean hasChildren(Object element)
      Returns whether the given element has children.

      Intended as an optimization for when the viewer does not need the actual children. Clients may be able to implement this more efficiently than getChildren.

      Specified by:
      hasChildren in interface ITreeContentProvider
      Parameters:
      element - the element
      Returns:
      true if the given element has children, and false if it has no children