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Lines 318-324
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| 318 |
* Method declared on StructuredViewer. |
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* Method declared on StructuredViewer. |
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*/ |
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*/ |
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protected void internalRefresh(Object element) { |
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protected void internalRefresh(Object element) { |
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Control list = getControl(); |
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Control list = getControl(); |
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if (element == null || equals(element, getRoot())) { |
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if (element == null || equals(element, getRoot())) { |
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// the parent |
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// the parent |
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Lines 327-333
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| 327 |
} |
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} |
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unmapAllElements(); |
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unmapAllElements(); |
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List selection = getSelectionFromWidget(); |
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List selection = getSelectionFromWidget(); |
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int topIndex = -1; |
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if (selection == null || selection.isEmpty()) { |
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topIndex = listGetTopIndex(); |
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} |
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list.setRedraw(false); |
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list.setRedraw(false); |
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listRemoveAll(); |
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listRemoveAll(); |
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Lines 345-357
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| 345 |
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listSetItems(items); |
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listSetItems(items); |
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list.setRedraw(true); |
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list.setRedraw(true); |
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setSelectionToWidget(selection, false); |
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if (topIndex == -1) { |
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setSelectionToWidget(selection, false); |
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} else { |
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listSetTopIndex(Math.min(topIndex, children.length)); |
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} |
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} else { |
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} else { |
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doUpdateItem(list, element, true); |
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doUpdateItem(list, element, true); |
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} |
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} |
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} |
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} |
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/** |
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* Returns the index of the item currently at the top of the viewable area. |
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* <p> |
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* Default implementation returns -1. |
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* </p> |
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* @return index, -1 for none |
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*/ |
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protected int listGetTopIndex(){ |
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return -1; |
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} |
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/** |
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/** |
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* Sets the index of the item to be at the top of the viewable area. |
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* <p> |
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* Default implementation does nothing. |
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* </p> |
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* @param index, -1 for none. index will always refer to a valid index. |
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*/ |
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protected void listSetTopIndex(int index) { |
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} |
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/** |
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* Removes the given elements from this list viewer. |
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* Removes the given elements from this list viewer. |
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* |
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* |
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* @param elements the elements to remove |
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* @param elements the elements to remove |
