public override void Execute()
{
base.Execute();
Context con = (Context)Ancestor(typeof(Context));
m_log.isNotNull(con, makeNameTag() + " must occur in some context");
m_Result = Condition.EvaluateList(m_conditions);
if (m_Result == true)
{
XmlNode xThen = m_elt.SelectSingleNode("then");
if (xThen != null)
{ // then may have been created via do-once before this
if (m_then == null)
{ // not created yet
Context thenCon = new Context();
thenCon.ModelNode = con.ModelNode;
thenCon.Parent = this;
string rest = XmlFiler.getAttribute(xThen, "wait");
if (rest != null)
{
thenCon.Wait = Convert.ToInt32(rest);
}
foreach (XmlNode child in xThen.ChildNodes)
{ // MakeShell adds the ins to thenCon
Instructionator.MakeShell(child, thenCon);
}
SetThen(thenCon);
}
m_then.Execute();
}
}
else
{
XmlNode xElse = m_elt.SelectSingleNode("else");
if (xElse != null)
{ // else may have been created via do-once before this
if (m_else == null)
{ // not created yet
Context elseCon = new Context();
elseCon.ModelNode = con.ModelNode;
elseCon.Parent = this;
string rest = XmlFiler.getAttribute(xElse, "wait");
if (rest != null)
{
elseCon.Wait = Convert.ToInt32(rest);
}
foreach (XmlNode child in xElse.ChildNodes)
{ // MakeShell adds the ins to elseCon
Instructionator.MakeShell(child, elseCon);
}
SetElse(elseCon);
}
m_else.Execute();
}
}
Logger.getOnly().result(this);
Finished = true; // tell do-once it's done
}
/// <summary>
/// Read the var nodes from the model and add them as
/// child instructions to this context.
/// </summary>
private void ReadModelVars()
{
XmlNodeList vars = m_model_root.SelectNodes("var");
if (vars != null)
{
foreach (XmlNode varNode in vars)
{
Var varObj = (Var)Instructionator.MakeShell(varNode, this);
}
}
}
/// <summary>
/// Converts child instructions from XML the first time this is called.
/// Some contexts need to build their children but control execution
/// themselves. They don't call this. Execute, which calls this internally.
/// </summary>
public void PrepareChildren(bool addMore)
{
if (1 == m_logLevel)
{
if (m_ah == null)
{
m_log.paragraph(makeNameTag() + "PrepareChildren: Context is not yet defined.");
}
else
{
m_log.paragraph(makeNameTag() + "PrepareChildren: Context is "" + m_ah.Role + ":" + m_ah.Name + """);
}
}
// m_instructions may have been stocked before execution as by click.
// They also may have been built on a previous execution via do-once.
if (addMore || m_instructions.Count == 0)
{ // Build the child instructions
// Insertions may be made by expansion of some instructions into
// multiple instructions (via include) so iterators and foreach can't be used.
int count = 0;
if (count < m_elt.ChildNodes.Count)
{
XmlNode xn = m_elt.ChildNodes[count];
while (xn != null)
{ // MakeShell can add multiple instructions to m_instructions.
Instruction ins = Instructionator.MakeShell(xn, this);
// pass higher log levels to the children
if (ins != null && ins.Log < Log)
{
ins.Log = Log;
}
count += 1;
if (count < m_elt.ChildNodes.Count)
{
xn = m_elt.ChildNodes[count];
}
else
{
xn = null;
}
}
}
}
}
/// <summary>
/// Execute this model node context, specified by @select and
/// creating and executing child instructions.
/// </summary>
public override void Execute()
{
base.Execute();
if (m_created)
{
Finished = true; // tell do-once it's done
return; // all has been done in the base Context.Execute().
}
Context con = (Context)Ancestor(typeof(Context));
m_log.isNotNull(con, makeNameTag() + " must occur in some context");
AccessibilityHelper ah = con.Accessibility;
m_log.isNotNull(ah, makeNameTag() + " context is not accessible");
// If there is a @select, select the nodes
if (m_select != null && m_select != "")
{ // each node or attribute selected creates a context
m_select = Utilities.evalExpr(m_select);
m_log.paragraph(makeNameTag() + " creating selection targets via " + m_select);
XmlNodeList pathNodes = Instructionator.selectNodes(con, m_select, makeNameTag());
m_log.isNotNull(pathNodes, makeNameTag() + " select='" + m_select + "' returned no model nodes");
// The select text may have selected a string that is itself xPath!
// If so, select on that xPath
if (pathNodes.Count == 1 && pathNodes.Item(0).NodeType == XmlNodeType.Text)
{ // this text node should be an xpath statement
string xPath = pathNodes.Item(0).Value;
m_log.paragraph(makeNameTag() + " selected a text node with more XPATH: " + xPath);
pathNodes = Instructionator.selectNodes(con, xPath, makeNameTag() + " selecting " + xPath);
m_log.isNotNull(pathNodes, makeNameTag() + " selecting " + xPath + " from select='" + m_select + "' returned no model nodes");
}
// Create a list of paths to loop over
Model lastModel = this; // use as an insert reference node
foreach (XmlNode node in pathNodes)
{ // build the path via each model node
XmlPath xPath = new XmlPath(node);
// xPath may be invalid - it means it has no guiPath
//if (!xPath.isValid()) fail(makeNameTag() + " XmlPath not constructable from " + node.OuterXml);
if (1 == m_logLevel)
{
m_log.paragraph(makeNameTag() + " appPath " + xPath.xPath());
m_log.paragraph(makeNameTag() + " guiPath " + xPath.Path);
}
Model model = new Model();
model.m_created = true;
model.m_modelNode = xPath;
model.m_path = xPath.Path;
model.m_select = xPath.xPath();
model.m_when = m_when;
model.m_name = XmlFiler.getAttribute(node, "name");
model.m_role = XmlFiler.getAttribute(node, "role");
model.m_nodeName = node.Name;
model.Number = TestState.getOnly().IncInstructionCount;
model.Id += (model.Number - Number).ToString();
model.Parent = con;
con.Add(lastModel, model);
lastModel = model; // insert the next one after this one.
m_log.mark(model); // log the progress of interpretation
// if there is content, add instructions to the new model context
if (m_elt.HasChildNodes)
{
foreach (XmlNode xnChild in m_elt.ChildNodes)
{ // a side-effect of MakeShell is to add the instruction to the model
Instructionator.MakeShell(xnChild, model);
}
}
}
}
Finished = true; // tell do-once it's done
}
