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Added some javadocs to IExpressionLayoutNode.java (bug 187886).

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Pawel Piech 2007-06-01 04:50:03 +00:00
parent 42e68547f8
commit 3bef5d71e5
1 changed files with 28 additions and 4 deletions
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26
plugins/org.eclipse.dd.dsf.debug.ui/src/org/eclipse/dd/dsf/debug/ui/viewmodel/expression/IExpressionLayoutNode.java
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@ -18,14 +18,38 @@ import org.eclipse.debug.internal.ui.viewers.model.provisional.IChildrenUpdate;
import org.eclipse.jface.viewers.TreePath;
/**
*
* Interface for layout nodes that can be used within the expression view.
* The methods of this interface allow the {@link ExpressionManagerLayoutNode}
* to use this layout node to delegate expression parsing to this node, and to
* generate deltas for expressions that are owned by this node.
*/
@SuppressWarnings("restriction")
public interface IExpressionLayoutNode extends IVMLayoutNode {
/**
* Returns the length of the portion of the expression that can be parsed
* by this node.
* @param expression String to parse
* @return length of the expression recognized by this node. Length of less than 1
* indicates that this node cannot parse this expression.
*/
int getExpressionLength(String expression);
/**
* Retrieves the element for the given expression. The node implementing
* this method should parse the expression and set a valid view model
* context (VMC) element in the update provided as an argument.
* @param update to fill in with the element. The tree path in this update
* object may contain elements which are not actually displayed in the viewer.
* These element may have been added to the original path by other expression
* layout nodes that have parsed preceding parts of the expression.
* @param expressionText expression string to parse
* @param expression expression object that the returned element should contain
*/
void getElementForExpression(IChildrenUpdate update, String expressionText, IExpression expression);
int getDeltaFlagsForExpression(String expressionText, Object event);
void buildDeltaForExpression(IExpression expression, int elementIdx, String expressionText, Object event,
VMDelta parentDelta, TreePath path, RequestMonitor rm);
}