public void ChangePanelReportElementHeight(ReportElement element, ReportControlRegionType controlRegionType)
{
if (null == element || (element.Tag is PmsPanel) == false ||
ReportControlRegionType.PageHead == controlRegionType ||
ReportControlRegionType.PageFoot == controlRegionType)
{
return;
}
float regionHeight;
if (controlRegionType == ReportControlRegionType.Data)
{
regionHeight = _PageDataRegionHeight;
}
else
{
regionHeight = _PageDrawRegionHeight;
}
//计算控件原始Y轴坐标
float originalY = element.Location.Y + regionHeight * (element.Page.PageNumber - 1);
float elementLocationHeight = originalY + element.Height;
int elemenEndPageNo = (int)(elementLocationHeight / regionHeight);
if ((elementLocationHeight % regionHeight) > 0)
{
elemenEndPageNo = elemenEndPageNo + 1;
}
for (int i = PageCount; i < elemenEndPageNo; i++)
{
if (controlRegionType == ReportControlRegionType.Data)
{
AddPage(new ReportPage(this, i + 1, ReportPageType.Data));
}
else if (controlRegionType == ReportControlRegionType.ReportHead)
{
AddPage(new ReportPage(this, i + 1, ReportPageType.ReportHead));
}
else
{
AddPage(new ReportPage(this, i + 1, ReportPageType.ReportFoot));
}
}
if (elemenEndPageNo < element.Page.PageNumber && elemenEndPageNo > 0)//高度缩小
{
int pageNumber = element.Page.PageNumber;
element.Page = _ReportPageList[elemenEndPageNo - 1];
for (int i = pageNumber; i > elemenEndPageNo; i--)
{
_ReportPageList[i - 1].RemoveReportElement(element);
if (_ReportPageList[i - 1].Elements.Count == 0)
{
_ReportPageList.Remove(_ReportPageList[i - 1]);
}
string guidtemp = element.Guid;
for (int j = 0; j < _ReportPageList.Count; j++)
{
if (_ReportPageList[j].Elements.Count == 1)
{
if (_ReportPageList[j].Elements[0].Guid == guidtemp)
{
//_ReportPageList[j].Elements[0].Height = 0;
//_ReportPageList[j].Elements[0].Width = 0;
// _ReportPageList.Remove(_ReportPageList[j]);
}
}
else
{
//_ReportPageList[j].SetGuidPanelElementHeight(guidtemp);
}
}
}
}
else//高度增加
{
for (int i = element.Page.PageNumber + 1; i <= elemenEndPageNo; i++)
{
ReportElement newElement = new ReportElement(element);
newElement.Location = new PointF(newElement.Location.X, originalY - regionHeight * (i - 1));
int iIndex = 0;
for (int j = 0; j < _ReportPageList[i - 1].Elements.Count; j++)
{
if (_ReportPageList[i - 1].Elements[j].Location.Y > newElement.Location.Y)
{
iIndex = j;
break;
}
}
_ReportPageList[i - 1].AddReportElement(newElement, iIndex);
}
}
}
/// <summary>
/// 添加报表元素
/// 在元素跨页并不分割的情况下：
/// 1.如果元素的高度超过页高，则丢弃元素
/// 2.如果元素的高度不超过页高，并且 Location 对应的页高度不够的情况下，则增加一页，
/// 这样会额外增加整个报表的高度，导致后续元素自动后移
/// </summary>
/// <param name="element">待添加报表元素</param>
/// <param name="splitElement">报表元素跨页的情况下是否启用分割</param>
/// <param name="simulate">模拟添加报表元素标识</param>
/// <returns>添加元素后，额外增加的高度 /// </returns>
public float ReportHeadOrFootOrDataReportElement(ref ReportElement element, bool splitElement, ReportControlRegionType controlRegionType, bool simulate)
{
if (null == element)
{
return(0.0f);
}
float addedY = 0.0f;
float regionHeight;
if (controlRegionType == ReportControlRegionType.Data)
{
regionHeight = _PageDataRegionHeight;
}
else
{
regionHeight = _PageDrawRegionHeight;
}
int elemenStartPageNo = (int)(element.Location.Y / regionHeight);
if (element.Location.Y % regionHeight > 0)
{
elemenStartPageNo = elemenStartPageNo + 1;
}
if (elemenStartPageNo <= 0)
{
elemenStartPageNo = 1;
}
//容器强制分割
if (splitElement == true)//控件启用分割
{
if (true == simulate)
{
return(addedY);
}
float elementLocationHeight = element.Location.Y + element.Height;
int elemenEndPageNo = (int)(elementLocationHeight / regionHeight);
if ((elementLocationHeight % regionHeight) > 0)
{
elemenEndPageNo = elemenEndPageNo + 1;
}
for (int i = PageCount; i < elemenEndPageNo; i++)
{
if (controlRegionType == ReportControlRegionType.Data)
{
AddPage(new ReportPage(this, i + 1, ReportPageType.Data));
}
else if (controlRegionType == ReportControlRegionType.ReportHead)
{
AddPage(new ReportPage(this, i + 1, ReportPageType.ReportHead));
}
else
{
AddPage(new ReportPage(this, i + 1, ReportPageType.ReportFoot));
}
}
float originalY = element.Location.Y;
for (int i = elemenStartPageNo; i <= elemenEndPageNo; i++)
{
if (i == elemenStartPageNo)
{
element.Location = new PointF(element.Location.X, originalY - regionHeight * (i - 1));
_ReportPageList[i - 1].AddReportElement(element);
}
else
{
ReportElement newElement = new ReportElement(element);
newElement.Location = new PointF(newElement.Location.X, originalY - regionHeight * (i - 1));
_ReportPageList[i - 1].AddReportElement(newElement);
if (i == elemenEndPageNo)
{
element = newElement;
}
}
}
}
else//不启用分割
{
if (element.Height > _PageDrawRegionHeight) //超过1页的高度，容器控件解析时已经进行了强制分割
{
return(addedY);
}
element.Location = new PointF(element.Location.X, element.Location.Y - regionHeight * (elemenStartPageNo - 1));
if ((element.Location.Y + element.Height) > regionHeight) //超过当前页的高度
{
addedY = regionHeight - element.Location.Y;
element.Location = new PointF(element.Location.X, 0.0f);
elemenStartPageNo = elemenStartPageNo + 1;
}
if (true == simulate)
{
return(addedY);
}
for (int i = PageCount; i < elemenStartPageNo; i++)
{
if (controlRegionType == ReportControlRegionType.Data)
{
AddPage(new ReportPage(this, i + 1, ReportPageType.Data));
}
else if (controlRegionType == ReportControlRegionType.ReportHead)
{
AddPage(new ReportPage(this, i + 1, ReportPageType.ReportHead));
}
else
{
AddPage(new ReportPage(this, i + 1, ReportPageType.ReportFoot));
}
}
_ReportPageList[elemenStartPageNo - 1].AddReportElement(element);
}
return(addedY);
}