/// <summary>Renders the no rules.</summary>
/// <param name="output">The output.</param>
private void RenderNoRules([NotNull] TextBlockWriter output)
{
Debug.ArgumentNotNull(output, "output");
output.WriteStartBlock(padding: new Thickness(16, 0, 0, 0));
output.Write("There are no rules defined.", Brushes.DarkGray);
output.WriteEndBlock();
}
/// <summary>Renders the add new rule.</summary>
/// <param name="output">The output.</param>
private void RenderAddNewRule([NotNull] TextBlockWriter output)
{
Debug.ArgumentNotNull(output, "output");
if (!this.IsEditable || !this.AllowMultiple)
{
return;
}
output.WriteStartBlock(padding: new Thickness(16, 0, 0, 0));
output.WriteHyperlink("Add a new rule", AddNewRule);
output.WriteEndBlock();
}
/// <summary>Renders the rule.</summary>
/// <param name="output">The output.</param>
/// <param name="rule">The rule.</param>
/// <param name="index">The index.</param>
private void RenderRule([NotNull] TextBlockWriter output, [NotNull] XElement rule, int index)
{
Debug.ArgumentNotNull(output, "output");
Debug.ArgumentNotNull(rule, "rule");
Guid id;
var uid = rule.GetAttributeValue("uid");
if (!Guid.TryParse(uid, out id))
{
id = Guid.Empty;
}
var isClosed = this.IsEditable && this.AllowMultiple && this.CurrentRuleId != Guid.Empty && this.CurrentRuleId != id;
var ruleId = "rule_" + id.ToString("B").ToUpperInvariant();
var title = this.GetRuleTitle(rule, index);
var style = isClosed ? Visibility.Collapsed : Visibility.Visible;
this.RenderRuleTitle(output, uid, title, ruleId, isClosed);
output.WriteStartBlock(padding: new Thickness(16, 0, 0, 0), visibility: style);
var inner = new TextBlockWriter(new TextBlock());
this.RenderConditions(inner, rule);
if (!this.SkipActions)
{
this.RenderActions(inner, rule);
}
if (!inner.IsEmpty)
{
output.Write(inner);
}
else
{
output.WriteStartBlock(padding: new Thickness(0, 4, 0, 2));
output.Write("This rule has no conditions.", Brushes.DarkGray);
output.WriteEndBlock();
}
output.WriteEndBlock();
if (this.AllowMultiple)
{
output.WriteLine("--------------------------------------------------------");
}
}
/// <summary>
/// Renders the specified output.
/// </summary>
/// <param name="output"> The output. </param>
public void Render([NotNull] TextBlockWriter output)
{
Assert.ArgumentNotNull(output, "output");
output.Clear();
var root = this.rules.Root;
if (root == null)
{
this.RenderNoRules(output);
return;
}
this.RenderRules(output, root);
}
/// <summary>Renders the unary operator.</summary>
/// <param name="output">The output.</param>
/// <param name="operatorElement">The operator element.</param>
private void RenderUnaryOperator([NotNull] TextBlockWriter output, [NotNull] XElement operatorElement)
{
Debug.ArgumentNotNull(output, "output");
Debug.ArgumentNotNull(operatorElement, "operatorElement");
var op = operatorElement.Name.LocalName;
if (this.IsEditable)
{
output.WriteHyperlink(op, ToggleOperator);
}
else
{
output.Write(op);
}
}
/// <summary>Renders the conditions recursive.</summary>
/// <param name="output">The output.</param>
/// <param name="parent">The parent.</param>
private void RenderConditionsRecursive([NotNull] TextBlockWriter output, [NotNull] XElement parent)
{
Debug.ArgumentNotNull(output, "output");
Debug.ArgumentNotNull(parent, "parent");
if (parent.Name.LocalName == "condition")
{
this.RenderCondition(output, parent);
return;
}
if (parent.Name.LocalName == "not")
{
var operand = parent.Element(0);
if (operand == null)
{
return;
}
this.RenderUnaryOperator(output, parent);
this.RenderConditionsRecursive(output, operand);
return;
}
var left = parent.Element(0);
if (left == null)
{
return;
}
var right = parent.Element(1);
if (right == null)
{
return;
}
this.RenderConditionsRecursive(output, left);
this.RenderBinaryOperator(output, parent);
this.RenderConditionsRecursive(output, right);
}
/// <summary>Renders the binary operator.</summary>
/// <param name="output">The output.</param>
/// <param name="operatorElement">The operator element.</param>
private void RenderBinaryOperator([NotNull] TextBlockWriter output, [NotNull] XElement operatorElement)
{
Debug.ArgumentNotNull(output, "output");
Debug.ArgumentNotNull(operatorElement, "operatorElement");
var op = operatorElement.Name.LocalName;
// var uid = operatorElement.GetAttributeValue("uid");
// var click = StringUtil.EscapeQuote("ToggleOperator(\"" + uid + "\")");
var right = operatorElement.Element(1);
if (right == null)
{
return;
}
// var leftLeaf = GetLeftLeaf(right);
// var conditionUid = leftLeaf.GetAttributeValue("uid");
output.WriteEndBlock();
output.WriteStartBlock();
if (op == "and")
{
output.Write(" ");
}
if (this.IsEditable)
{
output.WriteHyperlink(op, this.ToggleOperator);
}
else
{
output.Write(op);
}
output.Write(" ");
}
/// <summary>Renders the conditions.</summary>
/// <param name="output">The output.</param>
/// <param name="rule">The rule.</param>
private void RenderConditions([NotNull] TextBlockWriter output, [NotNull] XElement rule)
{
Debug.ArgumentNotNull(output, "output");
Debug.ArgumentNotNull(rule, "rule");
var conditions = rule.Element("conditions");
if (conditions == null)
{
return;
}
var element = conditions.Element(0);
if (element == null)
{
return;
}
var leftLeaf = GetLeftLeaf(element);
var uid = leftLeaf.GetAttributeValue("uid");
if (string.IsNullOrEmpty(uid))
{
return;
}
output.WriteStartBlock();
if (this.IsEditable)
{
// RenderConditionButtons(output, uid);
}
this.RenderConditionsRecursive(output, element);
output.WriteEndBlock();
}
/// <summary>Renders the condition.</summary>
/// <param name="output">The output.</param>
/// <param name="condition">The condition.</param>
private void RenderCondition([NotNull] TextBlockWriter output, [NotNull] XElement condition)
{
Assert.ArgumentNotNull(output, "output");
Assert.ArgumentNotNull(condition, "condition");
var id = condition.GetAttributeValue("id");
if (string.IsNullOrEmpty(id))
{
return;
}
var uid = condition.GetAttributeValue("uid");
if (string.IsNullOrEmpty(uid))
{
return;
}
Item item;
using (new SecurityDisabler())
{
item = Client.ContentDatabase.GetItem(id);
}
if (item == null)
{
output.Write(Translate.Text(Texts.UnknownCondition0, id));
return;
}
var itemText = this.GetItemText(item);
var text = this.RenderPrefix(output, condition, itemText);
this.RenderText(output, condition, text);
}
/// <summary>Renders the rule title.</summary>
/// <param name="output">The output.</param>
/// <param name="uid">The uid.</param>
/// <param name="title">The title.</param>
/// <param name="ruleId">The rule id.</param>
/// <param name="isClosed">if set to <c>true</c> [is closed].</param>
private void RenderRuleTitle([NotNull] TextBlockWriter output, [NotNull] string uid, [NotNull] string title, [NotNull] string ruleId, bool isClosed)
{
Debug.ArgumentNotNull(output, "output");
Debug.ArgumentNotNull(uid, "uid");
Debug.ArgumentNotNull(title, "title");
Debug.ArgumentNotNull(ruleId, "ruleId");
if (!this.IsEditable || !this.AllowMultiple)
{
output.WriteStartBlock();
output.Write(title);
output.WriteEndBlock();
return;
}
// var activeStyle = isClosed ? string.Empty : " scRuleActive";
output.WriteStartBlock();
output.WriteHyperlink(title, ToggleRule);
var stackPanel = new StackPanel
{
Orientation = Orientation.Horizontal
};
stackPanel.Children.Add(new Button {
Content = "Edit"
});
stackPanel.Children.Add(new Button {
Content = "Delete"
});
output.Write(stackPanel);
output.WriteEndBlock();
}
/// <summary>Renders the rules.</summary>
/// <param name="output">The output.</param>
/// <param name="root">The root.</param>
private void RenderRules([NotNull] TextBlockWriter output, [NotNull] XElement root)
{
Debug.ArgumentNotNull(output, "output");
Debug.ArgumentNotNull(root, "root");
var index = 1;
foreach (var rule in root.Elements("rule"))
{
this.RenderRule(output, rule, index);
index++;
}
if (index == 1)
{
this.RenderNoRules(output);
}
if (index > 1)
{
this.RenderAddNewRule(output);
}
}
/// <summary>
/// Writes the specified output.
/// </summary>
/// <param name="output"> The output. </param>
public void Write([NotNull] TextBlockWriter output)
{
Assert.ArgumentNotNull(output, "output");
this.Current.Inlines.Add(output.TextBlock);
}