nsITreeContentView 编辑
The nsITreeContentView interface is implemented by tree views that are backed by DOM content. It is typically reached by calling QueryInterface on a nsITreeView.
layout/xul/base/src/tree/public/nsITreeContentView.idlScriptable Please add a summary to this article. Last changed in Gecko 1.8.0Inherits from: nsISupports
Method overview
long getIndexOfItem(in nsIDOMElement item); |
nsIDOMElement getItemAtIndex(in long index); |
Attributes
| Attribute | Type | Description |
root | | The element in the DOM which this view uses as root content. Read only. Obsolete since Gecko 1.8 |
Methods
getIndexOfItem()
Retrieve the index associated with the specified content item.
long getIndexOfItem( in nsIDOMElement item );
Parameters
item- A tree row for which to find the row index.
Return value
A non-negative integer row index if the row was found within the tree. Returns -1 if the item was not found.
getItemAtIndex()
Retrieve the content item associated with the specified index.
nsIDOMElement getItemAtIndex( in long index );
Parameters
index- The row index for which to get the item
Return value
The nsIDOMElement item.
Remarks
The nsITreeContentView interface only applies to trees with DOM element children, and does not apply to trees with flags="dontbuildcontent".
See also
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