public void ShowConditionInformation()
{
if (Instruction.Condition == null)
{
Node = null;
buttonCondition.Text = "Create";
treeViewCondition.Nodes.Clear();
}
else
{
buttonCondition.Text = "Remove";
treeViewCondition.Nodes.Clear();
treeViewCondition.Nodes.Add(Instruction.Condition.GetTreeNode());
treeViewCondition.ExpandAll();
}
if (Node == null)
{
comboBoxTypeCondition.Enabled = false;
comboBoxParameter.Enabled = false;
comboBoxOperator.Enabled = false;
numericUpDownValue2.Enabled = false;
buttonAdd.Enabled = false;
buttonDelete.Enabled = false;
}
else
{
var condition = Node.Condition;
comboBoxTypeCondition.Enabled = true;
comboBoxTypeCondition.Text = condition.Type.ToString();
buttonAdd.Enabled = condition.Type != TypeCondition.Unique;
buttonDelete.Enabled = true;
if (condition.Type == TypeCondition.Unique)
{
comboBoxParameter.Enabled = true;
comboBoxParameter.Text = condition.Comparision.Parameter.ToString();
comboBoxOperator.Enabled = true;
switch (condition.Comparision.Operator)
{
case TypeOperator.GreaterEqual:
comboBoxOperator.Text = ">=";
break;
case TypeOperator.Greater:
comboBoxOperator.Text = ">";
break;
case TypeOperator.Equal:
comboBoxOperator.Text = "==";
break;
case TypeOperator.Lower:
comboBoxOperator.Text = "<";
break;
case TypeOperator.LowerEqual:
comboBoxOperator.Text = "<=";
break;
case TypeOperator.NotEqual:
comboBoxOperator.Text = "!=";
break;
}
numericUpDownValue2.Enabled = true;
numericUpDownValue2.Value = (decimal)condition.Comparision.Value;
}
else
{
comboBoxParameter.Enabled = false;
comboBoxOperator.Enabled = false;
numericUpDownValue2.Enabled = false;
}
}
}
private void treeViewCondition_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e)
{
Node = (TreeNodePlus)e.Node;
ShowConditionInformation();
}
private void buttonDelete_Click(object sender, EventArgs e)
{
var parent = Node.Parent != null ? ((TreeNodePlus)Node.Parent).Condition : null;
if (parent != null)
{
parent.Children.Remove(Node.Condition);
if (parent.Children.Count == 0)
{
parent.Type = TypeCondition.Unique;
parent.Comparision = new Comparison();
}
}
else
{
Instruction.Condition = null;
}
Node = null;
ShowConditionInformation();
}