//public object DefaultStyleKey { get; set; }
protected override void Draw(PageBrush brush)
{
if (this.Template == null)
{
throw new XamlException("没有模板，无法绘制控件" + this.GetType().FullName);
}
this.Template.Render(brush);
}
protected override void Draw(PageBrush brush)
{
if (this.Origin == DrawOrigin.Header || this.Origin == DrawOrigin.Bottom)
{
brush.Backspace();
}
brush.Draw(GetCode(), this.Origin);
}
public static void OutputAttributes(CustomAttributeCollection attributes, PageBrush brush)
{
foreach (var item in attributes)
{
var attr = item as CustomAttribute;
OutputAttribute(attr, brush);
}
}
/// <summary>
/// 绘制脚本回调方法指令
/// </summary>
private void DrawScriptCallback(PageBrush brush)
{
if (this.ScriptCallback != null)
{
var view = new ScriptView();
var result = this.ScriptCallback(view);
brush.DrawScriptCallback(result);
}
}
public void Render(PageBrush brush)
{
foreach (var e in this)
{
var ui = e as IUIElement;
if (e != null)
{
ui.Render(brush);
}
}
}
/// <summary>
/// 渲染
/// </summary>
/// <param name="templateParent"></param>
/// <param name="brush"></param>
public void Render(PageBrush brush)
{
var templateParent = this.TemplateParent;
if (templateParent == null)
{
throw new XamlException("没有设置模板的应用对象，无法渲染");
}
RenderContext.Current.PushObject(this);
Render(templateParent, brush);
RenderContext.Current.PopObject();
}
public void Render(PageBrush brush)
{
RenderContext.Current.PushObject(this);
OnPreRender();
if (this.Visibility == Visibility.Collapsed)
{
return; //如果隐藏元素，则不绘制
}
Draw(brush);
DrawScriptCallback(brush);
RenderContext.Current.PopObject();
}
protected override void Draw(PageBrush brush)
{
if (brush.Contains(this.GetCode()))
{
return;
}
base.Draw(brush);
if (this.Origin == DrawOrigin.Header || this.Origin == DrawOrigin.Bottom)
{
brush.DrawLine(this.Origin);
}
}
public static void OutputAttribute(CustomAttribute attr, PageBrush brush)
{
switch (attr.Name)
{
case "view": brush.DrawFormat(" data-view=\"{0}\"", ProxyCodeExtend.TidyView(attr.GetPrintValue())); break;
case "form": brush.DrawFormat(" data-form=\"{0}\"", attr.GetPrintValue()); break;
default:
brush.DrawFormat(" {0}=\"{1}\"", attr.Name, attr.GetPrintValue());
break;
}
}
protected override void Render(object templateParent, PageBrush brush)
{
var e = this.Template;
if (e == null)
{
return;
}
var parent = templateParent as DependencyObject;
foreach (var item in e)
{
var t = item as UIElement;
if (t != null)
{
t.Parent = parent;
t.Render(brush);
}
else
{
brush.Draw(t.ToString());
}
}
}
protected virtual void Render(object templateParent, PageBrush brush)
{
}
protected abstract void Draw(PageBrush brush);
/// <summary>
/// 将画刷<paramref name="target" />的内容写入到源内容中
/// </summary>
/// <param name="target"></param>
internal void Combine(PageBrush target)
{
_header.Append(target._header);
_bottom.Append(target._bottom);
_current.Append(target._current);
}
private static void AppendLanguage(PageBrush brush)
{
AssetStrings.Global.Render(brush); //添加多语言支持
AssetStrings.Current.Render(brush);
}