/// <summary>
/// 输出报表项
/// </summary>
/// <param name="p_item">报表项</param>
public void OutputItem(RptOutputInst p_item)
{
PrepareItem(p_item);
// 报表项所在页位置
int pageX = GetPageIndex(Cols, p_item.Region.Col);
int pageY = GetPageIndex(Rows, p_item.Region.Row);
RptPage page = GetPage(pageX, pageY);
if (page == null)
{
page = CreatePage(pageX, pageY);
}
if (p_item.Parent is RptTblRowInst && p_item.Region.Row != p_item.Parent.Region.Row)
{
p_item.Region.Row = p_item.Parent.Region.Row;
}
page.AddItem(p_item);
}
/// <summary>
/// 自动行高时重置行高，前提：
/// 1. AutoHeight为true
/// 2. 只占一行
/// 3. 当前输出位置在页的末尾
/// 4. 测量高度大于原高度
/// </summary>
/// <param name="p_item"></param>
/// <param name="p_height"></param>
public void SyncRowHeight(RptTextInst p_item, double p_height)
{
PageDefine rows = p_item.Page.Rows;
RptRegion region = p_item.Region;
// 只支持当前输出位置在页的末尾，非末尾情况效率太低！
if (region.Row != rows.Start + rows.Count - 1)
{
return;
}
// 无需调整
int index = rows.Count - 1;
if (p_height <= rows.Size[index] || _pageEnding)
{
return;
}
// 上部高度
double topHeight = 0;
for (int i = 0; i < index; i++)
{
topHeight += rows.Size[i];
}
// 当前页能放下
if (topHeight + p_height <= BodyHeight - TblFooterHeight)
{
rows.Size[index] = p_height;
return;
}
// 需要垂直分页
// 记录同行项
RptPage prePage = p_item.Page;
var sameRowItems = (from item in prePage.Items
where item.Region.Row == region.Row
select item).ToList();
rows.Size.RemoveAt(index);
if (VerPageEnd != null)
{
_pageEnding = true;
VerPageEnd(this, rows);
_pageEnding = false;
}
PageDefine next = new PageDefine();
next.Start = rows.Start + rows.Count;
Rows.Add(next);
// 重新计算行位置
int newIndex = next.Start + next.Count;
double validHeight = BodyHeight - TblFooterHeight - next.Size.Sum();
if (p_height > validHeight)
{
p_height = validHeight;
}
next.Size.Add(p_height);
// 处理同行项
RptPage page = CreatePage(prePage.X, prePage.Y + 1);
foreach (var item in sameRowItems)
{
item.Region.Row = newIndex;
prePage.Items.Remove(item);
page.AddItem(item);
}
}