private void EvaluateExpression(EbMobileControl ctrl, View view)
{
if (ctrl.HasExpression(ExpressionType.HideExpression))
{
string script = ctrl.HiddenExpr.GetCode();
EbListHelper.SetDataRow(DataRow);
view.IsVisible = !EbListHelper.EvaluateHideExpr(script);
}
else if (ctrl.HasExpression(ExpressionType.ValueExpression))
{
string script = ctrl.ValueExpr.GetCode();
EbListHelper.SetDataRow(DataRow);
EbListHelper.EvaluateValueExpr(view, script);
}
}
private void InitializeDependency(EbMobileControl control, string parent)
{
foreach (int value in Enum.GetValues(typeof(ExpressionType)))
{
if (control.HasExpression((ExpressionType)value, out string script))
{
foreach (string dependent in GetDependentNames(script))
{
string dparent = dependent.Split(CharConstants.DOT)[0];
if (dparent != CTRL_PARENT_FORM && parent == CTRL_PARENT_FORM)// grid to form dependency
{
if (!DGDependencyMapColl.ContainsKey(dparent))
{
DGDependencyMapColl[dparent] = new ExprDependency();
}
DGDependencyMapColl[dparent].Add((ExpressionType)value, $"{parent}.{control.Name}");
}
else if (parent == dparent)// avoid form to grid dependency
{
if (!DependencyMapCollection.ContainsKey(dependent))
{
DependencyMapCollection[dependent] = new ExprDependency();
}
DependencyMapCollection[dependent].Add((ExpressionType)value, $"{parent}.{control.Name}");
}
}
}
}
}
public static void EvaluateExprOnLoad(EbMobileControl ctrl, FormMode mode)
{
string parent = ctrl.Parent;
if (Instance.dependencyMap.HasDependency($"{parent}.{ctrl.Name}"))
{
ExprDependency exprDep = Instance.dependencyMap.GetDependency($"{parent}.{ctrl.Name}");
if (mode == FormMode.NEW || mode == FormMode.EDIT || mode == FormMode.PREFILL)
{
if (mode == FormMode.NEW || mode == FormMode.PREFILL)
{
Instance.InitHideExpr(exprDep, ctrl, parent);
Instance.InitDisableExpr(exprDep, ctrl, parent);
}
else if (mode == FormMode.EDIT)
{
if (ctrl.DoNotPersist)
{
Instance.InitValueExpr(exprDep, ctrl.Name, parent);
}
Instance.InitHideExpr(exprDep, ctrl, parent);
}
}
}
else
{
if (mode == FormMode.NEW || mode == FormMode.EDIT || mode == FormMode.PREFILL)
{
if (ctrl.HasExpression(ExpressionType.HideExpression))
{
Instance.EvaluateHideExpr(ctrl, parent);
}
if ((mode == FormMode.NEW || mode == FormMode.PREFILL) && ctrl.HasExpression(ExpressionType.DisableExpression))
{
Instance.EvaluateDisableExpr(ctrl, parent);
}
}
}
}
