Package com._1c.g5.v8.dt.ui.dialog

Class ImprovedCheckboxTreeViewer

java.lang.Object
org.eclipse.jface.viewers.Viewer
org.eclipse.jface.viewers.ContentViewer
org.eclipse.jface.viewers.StructuredViewer
org.eclipse.jface.viewers.ColumnViewer
org.eclipse.jface.viewers.AbstractTreeViewer
org.eclipse.jface.viewers.TreeViewer
org.eclipse.jface.viewers.CheckboxTreeViewer
com._1c.g5.v8.dt.ui.dialog.ImprovedCheckboxTreeViewer
All Implemented Interfaces:
ICheckable, IInputProvider, IInputSelectionProvider, IPostSelectionProvider, ISelectionProvider
public class ImprovedCheckboxTreeViewer extends CheckboxTreeViewer
Checkbox tree viewer implementation with improved performance. Improved performance achieved through improved methods.

  • Constructor Details

    • ImprovedCheckboxTreeViewer

      public ImprovedCheckboxTreeViewer(org.eclipse.swt.widgets.Tree tree)
      Constructor.
      Parameters:
      tree - - tree to create viewer for. Cannot be null.

  • Method Details

    • setSubtreeChecked

      public boolean setSubtreeChecked(Object element, boolean state)
      Overrides:
      setSubtreeChecked in class CheckboxTreeViewer

    • setSubtreeCheckGrayed

      public boolean setSubtreeCheckGrayed(Object element, boolean state)
      Sets the checked state for the given element and its visiblechildren in this viewer. Assumes that the element has been expanded before. To enforce that the item is expanded, call expandToLevelfor the element. Does not fire events to check state listeners.
      Parameters:
      element - - element to set subtree state. Cannot be null.
      state - - state to set.
      Returns:
      true if check grayed state could be set.

    • getUncheckedElements

      public List<Object> getUncheckedElements()
      Returns a list of unchecked elements in this viewer's tree, including currently hidden ones that are marked as unchecked but are under a collapsed ancestor.
      Returns:
      the list of unchecked elements, never null

    • getCheckedElements

      public Object[] getCheckedElements()
      Overrides:
      getCheckedElements in class CheckboxTreeViewer

    • setParentsCheckGrayed

      public boolean setParentsCheckGrayed(Object element, boolean state)
      Sets the check grayed state for the given element and its parents in this viewer.
      Parameters:
      element - the element
      state - true if the item should be check grayed, and false if it should be ungrayed
      Returns:
      true if the element is visible and the check gray state could be set, and false otherwise

    • setCheckStateProvider

      public void setCheckStateProvider(ICheckStateProvider checkStateProvider)
      Overrides:
      setCheckStateProvider in class CheckboxTreeViewer

    • hasCheckedElements

      public boolean hasCheckedElements(boolean canBeGrayed)
      Returns true if viewer has at least one checked element.
      Parameters:
      canBeGrayed - - true if grayed element count as checked.
      Returns:
      true if viewer has checked elements.

    • setAllElementsChecked

      public void setAllElementsChecked(boolean state)
      Sets all tree elements checked state.
      Parameters:
      state - true if items should be checked, and false if it should be unchecked.

    • setCheckGrayedChildren

      protected void setCheckGrayedChildren(org.eclipse.swt.widgets.Item item, boolean state)
      Sets the check grayed state for the children of the given item.
      Parameters:
      item - the item
      state - true if the item should be checked, and false if it should be unchecked