//============================================================
// <T>获得激活的项目。</T>
//
// @return 激活的项目
//============================================================
public FUiScrollItem ActiveItem()
{
if (_components != null)
{
foreach (FUiComponent componment in _components)
{
FUiScrollItem item = componment as FUiScrollItem;
if (item != null)
{
return(item);
}
}
}
return(null);
}
//============================================================
// <T>测试处理。</T>
//
// @param args 参数
//============================================================
public override void Test(SUiTestArgs args)
{
// 检查有效性
if (!ComponentResource.OptionValid)
{
return;
}
// 开始测试
bool result = OnTest(args);
// 子控件测试
if (result)
{
FUiScrollItem item = ActiveItem();
if (item != null)
{
// 测试分页
item.Test(args);
// 绘制节点
if (_components != null)
{
foreach (FUiComponent componment in _components)
{
FUiControl control = componment as FUiControl;
if (control == null)
{
continue;
}
//if (control is FUiBaseListItem) {
// continue;
//}
control.Test(args);
}
}
}
}
}
//============================================================
// <T>绘制处理。</T>
//
// @param args 参数
//============================================================
public override void Draw(SUiDrawArgs args)
{
// 检查有效性
if (!ComponentResource.OptionValid)
{
return;
}
// 设置数据
bool visible = TestVisible();
SIntPoint2 position = CalculatePosition();
args.Position.Assign(position);
// 计算数据
_designLocation.Assign(CalculateDisplayPosition());
_designSize.Assign(CalculateDisplaySize());
// 开始层处理
_deviceLayer.Begin(_designLocation.X, _designLocation.Y, _designSize.Width, _designSize.Height);
// 检查可见性
if (visible)
{
OnDrawBegin(args);
}
//............................................................
// 子控件绘制
if (_components != null)
{
// 绘制分页
FUiScrollItem item = ActiveItem();
if (item != null)
{
ERcSpread spreadCd = ScrollViewResource.SpreadCd;
// 绘制多个
int itemWidth = item.Size.Width + _horizontalSpace;
int itemHeight = item.Size.Height + _verticalSpace;
if ((spreadCd == ERcSpread.Horizontal) && (_verticalCount > 0))
{
for (int n = 0; n < _designItemCount; n++)
{
int cx = n % _verticalCount;
int cy = (int)(n / _verticalCount);
item.Location.Set(itemWidth * cx, itemHeight * cy);
item.Draw(args);
}
}
else if ((spreadCd == ERcSpread.Vertical) && (_horizontalCount > 0))
{
for (int n = 0; n < _designItemCount; n++)
{
int cx = n % _horizontalCount;
int cy = (int)(n / _horizontalCount);
item.Location.Set(itemWidth * cx, itemHeight * cy);
item.Draw(args);
}
}
// 恢复设置
item.Location.Set(0, 0);
}
// 绘制节点
foreach (FUiComponent componment in _components)
{
FUiControl control = componment as FUiControl;
if (control == null)
{
continue;
}
if (control is FUiScrollItem)
{
continue;
}
control.Draw(args);
}
}
//............................................................
// 结束绘制
if (visible)
{
_context.Context.TransformLocation(_designLocation.X, _designLocation.Y);
OnDrawAfter(args);
}
// 结束层处理
_deviceLayer.End();
}