Examples of org.eclipse.swt.widgets.Tree.indexOf()

org.eclipse.swt.widgets.Tree.indexOf()
Searches the receiver's list starting at the first item (index 0) until an item is found that is equal to the argument, and returns the index of that item. If no item is found, returns -1. @param item the search item @return the index of the item @exception IllegalArgumentException
- ERROR_NULL_ARGUMENT - if the item is null
- ERROR_INVALID_ARGUMENT - if the item has been disposed
@exception SWTException
- ERROR_WIDGET_DISPOSED - if the receiver has been disposed
- ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
@since 3.1

      return null;
    }


    /* Item is Root-Leveld */
    Tree tree = fItem.getParent();
    int index = tree.indexOf(fItem);


    if (tree.getItemCount() > index + 1)
      return new WidgetTreeNode(tree.getItem(index + 1), fViewer);


    return null;

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      return null;
    }


    /* Item is Root-Leveld */
    Tree tree = fItem.getParent();
    int index = tree.indexOf(fItem);


    if (index > 0)
      return new WidgetTreeNode(tree.getItem(index - 1), fViewer);


    return null;

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    /* Check if Last Selected Item is an Entity Group */
    TreeItem lastSelectedItem = oldSelection[oldSelection.length - 1];
    if (lastSelectedItem.getData() instanceof EntityGroup) {


      /* Given this group gets deleted, use the next or previous entity group as input for the WidgetTreeNode below */
      int indexOfEntityGroup = tree.indexOf(lastSelectedItem);
      if (tree.getItemCount() > indexOfEntityGroup + 1) //Try Next
        lastSelectedItem = tree.getItem(indexOfEntityGroup + 1);
      else if (indexOfEntityGroup > 0) //Try Previous
        lastSelectedItem = tree.getItem(indexOfEntityGroup - 1);
    }

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    if (fFeedView.isTableViewerVisible()) {
      Tree tree = fTableViewer.getTree();
      TreeItem topItem = tree.getTopItem();
      int indexOfTopItem = 0;
      if (topItem != null)
        indexOfTopItem = tree.indexOf(topItem);


      tree.setRedraw(false);
      try {
        fTableViewer.add(fTableViewer.getInput(), addedNews.toArray());
        if (topItem != null && indexOfTopItem != 0)

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    Tree tree = item.getParent();


    // This means we have top-level item
    if (item.getParentItem() == null) {
      if (sameLevel || !item.getExpanded()) {
        int index = tree.indexOf(item) + 1;


        if (index < tree.getItemCount()) {
          return new TreeViewerRow(tree.getItem(index));
        }
      } else if (item.getExpanded() && item.getItemCount() > 0) {

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  private ViewerRow getRowAbove(boolean sameLevel) {
    Tree tree = item.getParent();


    // This means we have top-level item
    if (item.getParentItem() == null) {
      int index = tree.indexOf(item) - 1;
      TreeItem nextTopItem = null;


      if (index >= 0) {
        nextTopItem = tree.getItem(index);
      }

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    int nextIndex;
    int totalItems;


    if (parentItem == null) {
      nextIndex = tree.indexOf(item) + 1;
      totalItems = tree.getItemCount();
    } else {
      nextIndex = parentItem.indexOf(item) + 1;
      totalItems = parentItem.getItemCount();
    }

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                }
                if (removedItem != null) {
                    // if a feature is deleted, show the initial style
                    getDetails().showPage(information);
                    tree.deselectAll();
                    tree.getItem(tree.indexOf(removedItem)).dispose();
                }
            }
            /**
             * Check if the feature is on the store.
             * @param id

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    Tree tree = item.getParent();
    
    // This means we have top-level item
    if( item.getParentItem() == null ) {
      if( sameLevel || ! item.getExpanded() ) {
        int index = tree.indexOf(item) + 1;
        
        if( index < tree.getItemCount() ) {
          return new TreeViewerRow(tree.getItem(index));
        }
      } else if( item.getExpanded() && item.getItemCount() > 0 ) {

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  private ViewerRow getRowAbove(boolean sameLevel) {
    Tree tree = item.getParent();
    
    // This means we have top-level item
    if( item.getParentItem() == null ) {
      int index = tree.indexOf(item) - 1;
      TreeItem nextTopItem = null;
      
      if( index >= 0 ) {
        nextTopItem = tree.getItem(index);
      }

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