private bool AdjustControlEnvironment(Control parent, bool forAdd)
{
if (ControlStateUrl.HandleResourceRequest())
{
return(true);
}
if (parent.Page == null) //当多个控件放在同一页面上时,这一情形表明前面的控件已经处理了特定状态的显示,这里不用再处理
//当多个控件放在同一页面上时,特定状态必须由第一个控件来处理
{
return(false);
}
string state = HttpContext.Current.Request["StatisticControlState"];
if (forAdd)
{
this.Width = Unit.Percentage(100.0);
parent.Controls.Add(this);
}
return(false);
}
/// <summary>
/// 确保控件显示的上下文环境,使用界面设计器时,应调用此方法,因为控件的某些状态可能需要完整的
/// 页面来显示，控件需要对页面作相应处理，不使用界面设计器时用上一方法即可，它会自动调用此方
/// 法。此外,控件的客户端资源URL也需要借此处理。返回值表明是否继续构造界面，为真时应该终止后
/// 续的任何界面相关的操作（此时响应流已关闭）。
/// </summary>
/// <param name="parent"></param>
public bool EnsureControlEnvironment(Control parent)
{
if (ControlStateUrl.HandleResourceRequest())
{
return(true);
}
if (parent.Page == null)
{
return(false);
}
string refScript = "<LINK href='" + ControlStateUrl.BuildResourceRequestUrl(cssUrl) + "' type='text/css' rel='stylesheet'>\r\n" +
"<script language='javascript' src=" + ControlStateUrl.BuildResourceRequestUrl(scpUrl) + "></script>\r\n" +
@"
<script language='javascript'>
function getTree(obj)
{
if(!obj.tree)
{
var treeObj=new TreeTable('',obj);" +
" treeObj.rootImage='"+ rootImg + "';\r\n" +
" treeObj.openImage='"+ openImg + "';\r\n" +
" treeObj.closeImage='"+ closeImg + "';\r\n" +
" treeObj.open2Image='"+ open2Img + "';\r\n" +
" treeObj.close2Image='"+ close2Img + "';\r\n" +
" treeObj.line='"+ lineImg + "';\r\n" +
" treeObj.minus='"+ minusImg + "';\r\n" +
" treeObj.plus='"+ plusImg + "';\r\n" +
" treeObj.empty='"+ emptyImg + "';\r\n" +
@" return treeObj;
}
return obj.tree;
}
</script>
" ;
parent.Page.RegisterClientScriptBlock("TreeTableClientScript", refScript);
return(false);
}
protected override void Handle()
{
dynamicTable = StatisticControl.GetWebDynamicTable();
StatisticControl.OnStatTableUseDynamicTable(dynamicTable);
DataTable data = StatisticControl.Data;
DataView dataView = new DataView(data);
string[] sorts = StatisticControl.Sorts;
if (sorts != null)
{
dataView.Sort = string.Join(",", sorts);
}
string[] groups = StatisticControl.Groups;
int groupNum = 0;
if (groups != null)
{
groupNum = groups.Length;
}
StringCollection sc = new StringCollection();
foreach (DataColumn dc in dataView.Table.Columns)
{
sc.Add(dc.ColumnName);
}
table = StatisticControl.GetStatTable();
StatisticRow statRow = null, lastRow = null;
if (statRow == null)
{
statRow = StatisticRow.CreateTotalRow(table, groupNum, dynamicTable, StatisticControl.MaxFieldWidth, StatisticControl.BaseColor, StatisticControl.DeltaColor);
lastRow = statRow;
}
for (int i = 0; i < groupNum; i++)
{
string field = groups[i];
sc.Remove(field);
lastRow = lastRow.CreateSubGroup(dataView.Table.Columns.IndexOf(field));
}
foreach (string field in sc)
{
DataColumn dc = dataView.Table.Columns[field];
lastRow = statRow;
while (lastRow != null)
{
lastRow.AddField(dc, StatisticControl.GetStatisticFieldType(field));
lastRow = lastRow.SubGroup;
}
}
statRow.DisplayHead(statRow, dataView);
for (int ii = 0; ii < dataView.Count; ii++)
{
DataRowView drv = dataView[ii];
statRow.ExecStatistic(drv, false);
if (ii == dataView.Count - 1)
{
statRow.ExecStatistic(drv, true); //结束统计
}
}
Table t = new Table();
t.Width = Unit.Percentage(100.0);
TableRow tr = new TableRow();
TableCell tc = new TableCell();
tr.Cells.Add(tc);
t.Rows.Add(tr);
if ((StatisticControl.DisplayButtons & DisplayButtons.EXPORT) == DisplayButtons.EXPORT)
{
ImageButton exportBtn = new ImageButton();
exportBtn.ID = "ExportBtn";
exportBtn.ImageUrl = ControlStateUrl.BuildResourceRequestUrl(StatisticControl.ExportIcon);
exportBtn.ToolTip = StatisticControl.ExportToolTip;
exportBtn.CommandName = "Export";
exportBtn.Click += new ImageClickEventHandler(this.ButtonClick);
tc.Controls.Add(exportBtn);
}
if ((StatisticControl.DisplayButtons & DisplayButtons.SEARCH) == DisplayButtons.SEARCH)
{
ImageButton searchBtn = new ImageButton();
searchBtn.ID = "SearchBtn";
searchBtn.ImageUrl = ControlStateUrl.BuildResourceRequestUrl(StatisticControl.SearchIcon);
searchBtn.ToolTip = "搜索数据";
searchBtn.CommandName = "Search";
searchBtn.Click += new ImageClickEventHandler(this.ButtonClick);
tc.Controls.Add(searchBtn);
}
tc.HorizontalAlign = HorizontalAlign.Right;
tr = new TableRow();
tc = new TableCell();
tr.Cells.Add(tc);
t.Rows.Add(tr);
tc.Controls.Add(table);
StatisticControl.Controls.Add(t);
StatisticControl.OnShowStatTable(t, table);
StatisticControl.Page.RegisterClientScriptBlock("InfoServiceCss", "<LINK href='" + StatisticControl.CssUrl + "' type='text/css' rel='stylesheet'>");
StatisticControl.Page.RegisterClientScriptBlock("ShowControlClientScript", @"
<script language='javascript'>
<!--
function openHtml(obj)
{
var pobj=obj.parentElement;
if(pobj)
{
try
{
var w=window.open('about:blank','HTMLVIEW','resizable=yes,scrollbars=yes');
w.document.write(pobj.dreamanHtml);
}
catch(eee)
{
alert('您的浏览器好象禁止了弹出窗口，无法查看HTML内容！');
}
event.returnValue=false;
}
}
-->
</script>
"
);
}
public string BuildRequestUrl(string state)
{
return(ControlStateUrl.BuildStateRequestUrl("StatisticControlState", state));
}
protected override void Handle()
{
Table t = new Table();
TableRow tr = new TableRow();
TableCell tc = new TableCell();
tr.Cells.Add(tc);
t.Rows.Add(tr);
dynaTable = StatisticControl.GetWebDynamicTable();
dynaTable.CssUrl = ControlStateUrl.BuildResourceRequestUrl(StatisticControl.CssUrl);
dynaTable.ScriptUrl = ControlStateUrl.BuildResourceRequestUrl(StatisticControl.ScriptUrl);
dynaTable.MaxFieldWidth = StatisticControl.MaxFieldWidth;
dynaTable.UseGroups = true;
if (StatisticControl.Groups != null && StatisticControl.Groups.Length > 0)
{
foreach (string g in StatisticControl.Groups)
{
dynaTable.SetFieldGroup(g, true);
}
}
if (StatisticControl.Sorts != null && StatisticControl.Sorts.Length > 0)
{
for (int i = 1; i <= StatisticControl.Sorts.Length; i++)
{
int sort = i;
string field = StatisticControl.Sorts[i - 1].Trim();
if (field.ToUpper().EndsWith("DESC"))
{
sort = -sort;
field = field.Substring(0, field.Length - 4).Trim();
}
dynaTable.SetFieldSort(field, sort);
}
}
foreach (string s in dynaTable.KeyFields)
{
dynaTable[s].StatMethod = StatisticControl.GetStatisticFieldType(s);
}
foreach (string s in dynaTable.NormalFields)
{
dynaTable[s].StatMethod = StatisticControl.GetStatisticFieldType(s);
}
dynaTable.UI = WebDynamicTableUI.QUERY;
StatisticControl.OnShowSearch(dynaTable);
LiteralControl lc = new LiteralControl(dynaTable.GenerateHtml());
dynaTable.RegisterCss(StatisticControl.Page);
dynaTable.RegisterScript(StatisticControl.Page);
tc.Controls.Add(lc);
tr = new TableRow();
tc = new TableCell();
tr.Cells.Add(tc);
t.Rows.Add(tr);
ImageButton okBtn = new ImageButton();
okBtn.ID = "OK";
okBtn.ImageUrl = ControlStateUrl.BuildResourceRequestUrl(StatisticControl.SearchIcon);
okBtn.ToolTip = "开始搜索符合条件的数据";
okBtn.CommandName = "Ok";
okBtn.Click += new ImageClickEventHandler(this.ButtonClick);
tc.Controls.Add(okBtn);
ImageButton returnBtn = new ImageButton();
returnBtn.ID = "Return";
returnBtn.ImageUrl = ControlStateUrl.BuildResourceRequestUrl(StatisticControl.ReturnIcon);
returnBtn.ToolTip = "返回数据表";
returnBtn.CommandName = "Return";
returnBtn.Click += new ImageClickEventHandler(this.ButtonClick);
tc.Controls.Add(returnBtn);
tc.HorizontalAlign = HorizontalAlign.Center;
StatisticControl.Controls.Add(t);
}
