void LoadTemplate(RptRoot p_newRoot, RptRoot p_oldRoot)
{
Throw.IfNull(p_newRoot, "报表模板不可为空！");
_excel.IsBusy = true;
try
{
ClearForms();
if (p_oldRoot != null)
{
p_oldRoot.Serializing -= OnBeforeSerialize;
_excelClerk.DetachEvent(p_oldRoot);
_excel.ColumnWidthChanged -= OnColumnWidthChanged;
_excel.RowHeightChanged -= OnRowHeightChanged;
}
_excelClerk.AttachEvent(p_newRoot);
using (_excel.Defer())
{
CreateSheets();
InitRowColSize();
LoadItems();
_excel.DecorationRange = null;
RefreshSpliter();
}
p_newRoot.Serializing += OnBeforeSerialize;
_excel.ColumnWidthChanged += OnColumnWidthChanged;
_excel.RowHeightChanged += OnRowHeightChanged;
}
finally
{
_excel.IsBusy = false;
}
}
/// <summary>
/// 绘制报表
/// </summary>
/// <returns></returns>
public async Task <bool> Draw()
{
// 构造报表项实例
RptRoot root = Info.Root;
await root.Build(this);
// 页面固定尺寸
HeaderHeight = root.Header.ActualHeight;
FooterHeight = root.Footer.ActualHeight;
BodyHeight = root.PageSetting.ValidHeight - HeaderHeight - FooterHeight - PageGap;
BodyWidth = root.PageSetting.ValidWidth - PageGap;
// 输出成页，页眉页脚在创建页时输出
CreatePage(0, 0);
if (Body != null)
{
Body.Output();
}
// 渲染
Info.Inst = this;
RptRender render = new RptRender(Info);
render.Render();
return(true);
}
/// <summary>
/// 触发报表项更新事件
/// </summary>
/// <param name="p_clearOld">是否擦除原区域</param>
public void Update(bool p_clearOld)
{
RptRoot root = Root;
if (root != null)
{
root.OnUpdated(this, p_clearOld);
}
}
public RptParams(RptRoot p_root)
{
Root = p_root;
Data = new Table
{
{ "name" },
{ "type" },
{ "val" },
{ "note" },
{ "xaml" },
};
Data.Changed += Root.OnCellValueChanged;
}
public RptDataSource(RptRoot p_root)
{
Root = p_root;
DataSet = new Table
{
{ "name" },
{ "isscritp", typeof(bool) },
{ "srv" },
{ "sql" },
{ "cols" },
};
DataSet.Changed += Root.OnCellValueChanged;
}
public RptViewSetting(RptRoot p_root)
{
Root = p_root;
Data = new Row();
Data.AddCell <string>("script");
Data.AddCell("showsearchform", true);
Data.AddCell <bool>("autoquery");
Data.AddCell <bool>("showcolheader");
Data.AddCell <bool>("showrowheader");
Data.AddCell <bool>("showgridline");
Data.AddCell("showmenu", true);
Data.AddCell("showcontextmenu", true);
Data.Changed += Root.OnCellValueChanged;
}
public RptPageSetting(RptRoot p_root)
{
Root = p_root;
Data = new Row();
// 纸张名称不保存
Data.AddCell <string>("papername");
Data.AddCell("height", _defaultHeight);
Data.AddCell("width", _defaultWidth);
Data.AddCell("leftmargin", _defaultMargin);
Data.AddCell("topmargin", _defaultMargin);
Data.AddCell("rightmargin", _defaultMargin);
Data.AddCell("bottommargin", _defaultMargin);
Data.AddCell <bool>("landscape");
Data.Changed += Root.OnCellValueChanged;
}
public RptPart(RptRoot p_root)
{
Root = p_root;
Items = new ObservableCollection <RptItem>();
AtachEvent();
}
public RptHeader(RptRoot p_root)
: base(p_root)
{
}
public RptFooter(RptRoot p_root)
: base(p_root)
{
}
/// <summary>
/// 松绑事件
/// </summary>
/// <param name="p_root"></param>
public void DetachEvent(RptRoot p_root)
{
p_root.ItemsChanged -= OnItemsChanged;
p_root.TextChanged -= OnTextChanged;
p_root.Updated -= OnUpdated;
}
public RptBody(RptRoot p_root)
: base(p_root)
{
}