<% '****************************
'* * ***** generate a Program ********
'**** * ***********************
'suppose you have created an unitdatabase unittree, and the table is created in this database:
'Units (ID unit number integer is unique, name unit name string, upid superior unit number integer)
'Note: upid = 0 indicates that the unit is the root node unit.
'enter some data such as: (1, AA, 0) (2, AABB, 1) (3, AACC, 1) (4, aabb11, 2)
'to test the following program.
%>
<% 'create a database connection
set conn = server. createobject ("ADODB. connection ")
Conn. open "provider = sqloledb; Data Source = .; user ID = sa; Password =; database = unittree "
%>
<% 'subprocess: Generate tree chart subnode data
sub treenode (CODE)
sqlunit = "select ID, name "& _
" from units "& _
" where upid = "& code &" & _
"order by ID"
set rsunit = Conn. execute (sqlunit)
do while not rsunit. EOF
response. write ("Node" & rsunit ("ID") & "= appendchild (" & "Node" & code & ", foldernode ('" & rsunit ("name ") & "','" & rsunit ("ID") & "', 0)" & CHR (10)
call treenode (rsunit ("ID "))
rsunit. movenext
loop
End sub
%>
<HTML>
<Head>
<Title> drill analysis </title>
<Script language = "JavaScript">
/***************************** Generate tree chart data ****** ***************************/
Function generatetree ()
{
// Generate tree chart data
// ----- VBScript -----
<%
''Display Unit
Sqlunit0 = "select ID, name "&_
"From units "&_
"Where upid = 0 "&_
"Order by ID"
Set rsunit0 = conn. Execute (sqlunit0)
// Root node folderstree
Response. write ("folderstree = foldernode ('" & rsunit0 ("name") & "', '" & rsunit0 ("ID") & "', 1) "& CHR (10 ))
Response. Write ("Node" & rsunit0 ("ID") & "= folderstree" & CHR (10 ))
Call treenode (rsunit0 ("ID") // subnode data
%>
}
/**************************** The number of generated trees ends ******* ************************/
</SCRIPT>
<Script language = "JavaScript">
/************************ Related functions ************* ********************/
// Generate a node
Function foldernode (name, value, flagopen)
{
VaR arrayaux
Arrayaux = new array
Arrayaux [0] = flagopen // node close 0 or open 1
Arrayaux [1] = value //
Arrayaux [2] = Name // name
Return arrayaux
}
// Add the child in arrayaux [3]... [N]
Function appendchild (parent, child)
{
Parent [Parent. Length] = Child
Return child
}
// Draw nodes
// Parameter foldersnode: Node
// DOC: Document Object
// Level: node level
// Lastnode: whether it is the End Node
// Leftside: Image
Function redrawnode (foldersnode, Doc, level, lastnode, leftside)
{
Filename = "content. asp" // sets the hyperlink file, which can be rewritten according to your situation ...............
VaR J = 0
VaR I = 0
Doc. Write ("<Table border = 0 cellspacing = 0 cellpadding = 0> ")
Doc. Write ("<tr> <TD valign = middle nowrap> ")
Doc. Write (leftside)
**************************** **********/
If (level> 0) // not the root node
{
If (lastnode) // The Last Node
{
If (foldersnode. length> 3) // you have children.
{
If (foldersnode [0]) // and open
{
Doc. Write ("<a href = 'javascript: Top. openbranch (\" "+ foldersnode [2] +" \ ") '> ")
Doc. Write (" </a> ")
}
Else
{// But close
Doc. Write ("<a href = 'javascript: Top. openbranch (\" "+ foldersnode [2] +" \ ") '> ")
Doc. Write (" </a> ")
}
}
Else // no child
Doc. Write (" ")
Leftside = leftside + "
}
Else // non-last Node
{
If (foldersnode. length> 3) // you have children.
{
If (foldersnode [0]) // and open
{
Doc. Write ("<a href = 'javascript: Top. openbranch (\" "+ foldersnode [2] +" \ ") '> ")
Doc. Write (" </a> ")
}
Else
{// But close
Doc. Write ("<a href = 'javascript: Top. openbranch (\" "+ foldersnode [2] +" \ ") '> ")
Doc. Write (" </a> ")
}
}
Else // no child
Doc. Write (" ")
Leftside = leftside + "}
/****** Hand icons and hyperlinks **********/
Doc. Write ("<a href = '" + filename + "? Id = "+ foldersnode [1] +" & name = "+ foldersnode [2] +" 'target = folderframe> </a> ")
/******** Name and hyperlink ********/
Doc. Write ("<TD valign = middle align = left nowrap> ")
Doc. Write ("<a href = '" + filename + "? Id = "+ foldersnode [1] +" & name = "+ foldersnode [2] +" 'target = folderframe> <font size = 2 face = 'body'> "+ foldersnode [2] + "</font> </a> ")
// The above hyperlink provides the querystring value of ID and name ..........................................
}
Else // Root Node
{
/****** Hand icons and hyperlinks **********/
Doc. Write ("<a href = '" + filename + "? Id = "+ foldersnode [1] +" & name = "+ foldersnode [2] +" 'target = folderframe> </a> ")
/******** Name and hyperlink ********/
Doc. Write ("<TD valign = middle align = left nowrap> ")
Doc. Write ("<a href = '" + filename + "? Id = "+ foldersnode [1] +" & name = "+ foldersnode [2] +" 'target = folderframe> <font size = 2 face = 'body'> "+ foldersnode [2] + "</font> </a> ")
}
Doc. Write ("</table> ")
//////////////////////////////////////// ///////////////
If (foldersnode. length> 3 & foldersnode [0]) // if you have a child and open it, the node is displayed recursively.
{
Level = level + 1
For (I = 3; I <foldersnode. length; I ++)
If (I = foldersnode. Length-1)
Redrawnode (foldersnode [I], Doc, level, 1, leftside)
Else
Redrawnode (foldersnode [I], Doc, level, 0, leftside)
}
}
// The response is called by openbranch when the user clicks the hierarchical +/-number.
Function clickonfolderrec (foldersnode, Foldername)
{
VaR I = 0
If (foldersnode [2] = Foldername)
{
If (foldersnode [0]) // if it is enabled, disable it
Foldersnode [0] = 0
Else
Foldersnode [0] = 1
}
Else
{
For (I = 3; I <foldersnode. length; I ++)
Clickonfolderrec (foldersnode [I], Foldername)
}
}
// Open or close the node (response when the user clicks the hierarchical +/-number)
Function openbranch (branchname)
{
Clickonfolderrec (folderstree, branchname)
Timeoutid = setTimeout ("redrawtree ()", 100)
}
// Display the tree chart
Function redrawtree ()
{
VaR Doc = top.treeframe.w.20.doc ument
// Record the current scroll bar position
Posx = Doc. Body. scrollleft
Posy = Doc. Body. scrolltop
Doc. open ()
Doc. Write ("<body link = '# 0000ff 'vlink =' # 0000ff 'alink = '# ff0000' bgcolor = 'white'> ")
Redrawnode (folderstree, Doc, 0, 1 ,"")
Doc. Close ()
Doc. Body. scrollleft = posx
Doc. Body. scrolltop = posy
}
// The response function when the webpage is loaded
Function initializetree ()
{
Generatetree ()
Redrawtree ()
}
/*********************** Related function end ************* ************/
</SCRIPT>
</Head>
<Frameset Cols = "220, *" onLoad = "initializetree ()" framespacing = "1">
<Frame src = "pleft.htm" name = "treeframe" target = "_ Self" scrolling = "Auto">
<Frame src = "pright.htm" name = "folderframe" scrolling = "Auto">
</Frameset>
</Html>
<%
'The above program passed the test under win2000server + iis5.0 + sqlserver2000.
'================================================ ============================
'====== Author: Xia chuntao E-mail: Bluesky_521@yeah.net ======
'================================================ ============================
%>
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