创建可拖动列的DataGrid_学习笔记(2)

什么也不说，继续第２个例子。

效果图：

下载地址：
http://www.Planet-Source-Code.com/vb/scripts/ShowCode.asp?txtCodeId=1546&lngWId=10

DragableXPStyleTable.aspx 的文件如下：

<%@ Page Language="VB" EnableViewState = "false"%>
<%@ import namespace="System" %>
<%@ import namespace="System.Data" %>
<%@ import namespace="System.Web.UI" %>
<%@ import namespace="System.Web.UI.WebControls" %>
<%@ import namespace="System.Xml" %>
<script language="VB" runat="server">
    Public nColumn As Int32 = 0
    Sub Page_Load(ByVal sender As System.Object, ByVal e As System.EventArgs)
        Dim _dsContacts As DataSet
      ' 装载XML数据原，注意：这里与数据原类型没有关系，换成数据库也是适用的
      _dsContacts = New DataSet()
      _dsContacts.ReadXml(Server.MapPath("mxh.xml"))
      Dim dcPk As DataColumn() = {_dsContacts.Tables("Contact").Columns("Email")}
      _dsContacts.Tables("Contact").PrimaryKey = dcPk
        nColumn = _dsContacts.Tables("Contact").Columns.Count

      If Not Page.IsPostBack Then
         ' 只在页面首次请求时才进行数据绑定
        Dim dv As DataView = New DataView(_dsContacts.Tables("Contact"))
        dv.Sort = "Name"
        xpTable.DataSource = dv
        xpTable.DataBind()
            xpTable.Attributes.Add("borderStyle","2")
      End If
    End Sub

    Sub MyTable_ItemCreated(sender As Object, e As DataGridItemEventArgs)
        If e.Item.ItemType=ListItemType.Header Then
            Dim i As Int32
            For i = 0 To nColumn - 1
                e.Item.Attributes.Add("height","20")
            Next
        End If
        If e.Item.ItemIndex <> -1 Then
            e.Item.Attributes.Add("height","22")
        End If
    End Sub
</script>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" >
<HTML>
  <HEAD>
    <meta name="GENERATOR" Content="Microsoft Visual Studio 7.0">
    <META http-equiv="Content-Type" content="text/html; charset=gb2313">
    <title>DataGrid拖动的例子</title>
    <meta name="CODE_LANGUAGE" Content="VB">
    <link rel="stylesheet" type="text/css" href="xpTable.css">
    <meta name="vs_defaultClientScript" content="VbScript">
    <meta name="vs_targetSchema" content="http://schemas.microsoft.com/intellisense/ie5">
  </HEAD>
  <body>
  <div align="center" style="padding:20px"><b>DataGrid拖动列、排序和XP风格的例子,放在aspx运行目录下即可直接运行。</b></div>
  <center>
    <div style="width: 90%;">
    <form id="idbSample" method="post" runat="server">
      <asp:DataGrid id="xpTable" runat="server" AutoGenerateColumns="True" Cellpadding = "2" BorderWidth="0"
       OnItemCreated="MyTable_ItemCreated" class="xpTable" altRowColor="oldlace" BorderStyle="None" STYLE="border-collapse:separate">
                <HeaderStyle Font-Bold="True" HorizontalAlign="center"></HeaderStyle>
      </asp:DataGrid>
    </form>
    </div>
</center>
</body>
</HTML>

mxh.xml 的文件如下：

<?xml version="1.0" encoding="gb2312"?>
<Contacts>
  <Contact>
    <Email>amxh@21.com</Email>
    <Name>孟子E章</Name>
    <WebSite>http://lucky.myrice.com/</WebSite>
    <Manager>0</Manager>
  </Contact>
  <Contact>
    <Email>amxh@meng.com</Email>
    <Name>net_lover</Name>
    <WebSite>http://xml.sz.luohuedu.net/</WebSite>
    <Manager>1</Manager>
  </Contact>
  <Contact>
    <Email>amxh@mengxh.com</Email>
    <Name>net_lover</Name>
    <WebSite>http://xml.sz.luohuedu.net/</WebSite>
    <Manager>1</Manager>
  </Contact>
  <Contact>
    <Email>amxh@meng.com.xh</Email>
    <Name>net_lover</Name>
    <WebSite>http://xml.sz.luohuedu.net/</WebSite>
    <Manager>1</Manager>
  </Contact>

  <Contact>
    <Email>amxh@mengxh.com.cn</Email>
    <Name>孟子E章</Name>
    <WebSite>http://lucky.myrice.com/</WebSite>
    <Manager>0</Manager>
  </Contact>
  <Contact>
    <Email>hhh@meng.h</Email>
    <Name>XML开发者园地</Name>
    <WebSite>Net</WebSite>
    <Manager>1</Manager>
  </Contact>
</Contacts>

xpTable.css 的文件如下：

body
{
    background-color: buttonface;
    scroll: no;
    margin: 0px;
    border: none;
    overflow: hidden;
}

.xpTable
{
    behavior: url(xpTable.htc);
    sortNoneImageUrl: sortBlank.gif;
    sortUpImageUrl: sortUp.gif;
    sortDownImageUrl: sortDown.gif;
    posUpImageUrl: upArrow.gif;
    posDownImageUrl: downArrow.gif;
    position: relative;
    margin: 0px;
    width: 100%;
     font: menu;
    highlightBackgroundColor: #C1D2EE;
    highlightBorderColor: #316AC5;
    color: windowtext;
  cursor: default;
}
.xpTable THEAD TD
{
    border-left: 1px solid buttonhighlight;
    border-top: 1px solid buttonhighlight;
    border-bottom: 1px solid buttonshadow;
    border-right: 1px solid buttonshadow;
    font: menu;
    color: menutext;
    background-color: buttonface;
    cursor: hand;
    padding-top: 0px;
    padding-bottom: 1px;
}
.xpTable TBODY TR
{
    color: windowtext;
    background: window;
}

xpTable.htc 的文件如下：

<PUBLIC:COMPONENT lightWeight=false>

<PUBLIC:DEFAULTS contentEditable=false tabStop=true/>

<PUBLIC:attach event="oncontentready" onevent="initElement()" />

<PUBLIC:attach event="ondetach" onevent="cleanupElement()" />

<PUBLIC:property name="borderStyle" value=0 />

<PUBLIC:property name="altRowColor" value="" />

<PUBLIC:property name="selectedCount" value=0 />

<PUBLIC:property name="interactive" value=true />

<PUBLIC:property name="allowSort" value=true />

<PUBLIC:property name="allowColOrder" value=true />

<PUBLIC:property name="selectedHeadIndex" value="0" />

<PUBLIC:property name="currentSort" value="DOWN" />

<PUBLIC:method name="selectRow" />

<PUBLIC:method name="getRow" />

<PUBLIC:method name="resetList" />

<PUBLIC:method name="clearAll" />

<PUBLIC:method name="selectAll" />

<PUBLIC:method name="hideNonSelectedRows" />

<PUBLIC:method name="showNonSelectedRows" />

<PUBLIC:event name="onrowselect" id="rowselect" />

<PUBLIC:event name="onrowdblclick" id="rowdblclick" />

option explicit

dim ie6

dim offset_x, offset_y

dim tHead

dim tHeadRow

dim tBody

dim colCount

dim arrHitTest

dim bDragMode

dim iDragCounter

dim objDragItem

dim objDragToItem1

dim objDragToItem2

dim dragHeadIndex

dim dragHeadHitIndex

dim lastHeadIndex

dim posOffSet

dim currentRow

dim hiBackgroundColor

dim hiBorderColor

dim cSelectedRows

dim sortNoneImageUrl

dim sortUpImageUrl

dim sortDownImageUrl

dim posUpImageUrl

dim posDownImageUrl

set currentRow = nothing

set objDragItem = nothing

set objDragToItem1 = nothing

set objDragToItem2 = nothing

selectedHeadIndex = -1

dragHeadHitIndex = -1

currentSort = ""

bDragMode = false

ie6 = (instr(window.navigator.appVersion, "MSIE 6.") <> 0)

class clsSelectedRows

dim colRows()

dim rowAdded

dim lastAddedRow

private sub Class_Initialize

rowAdded = false

set lastAddedRow = nothing

end sub

private sub Class_Terminate

dim i

if not rowAdded then exit sub

for i = lbound(colRows) to ubound(colRows)

set colRows(i) = nothing

set lastAddedRow = nothing

end Sub

public property Get Count

if not rowAdded then

Count = 0

else

Count = ubound(colRows) + 1

end if

end property

public property Get SelectedRow(index)

if not rowAdded then

set SelectedRow = nothing

exit property

end if

set SelectedRow = colRows(index)

end property

public property Get LastRow

set LastRow = lastAddedRow

end property

public property Get getRows

getRows = colRows

end property

public function QuerySelected(objUnknown)

QuerySelected = (getItemIndex(objUnknown) <> -1)

end function

public sub AddSingle(objUnknown)

redim colRows(0)

set colRows(ubound(colRows)) = objUnknown

rowAdded = true

set lastAddedRow = objUnknown

end sub

public sub Add(objUnknown)

if not rowAdded then

redim colRows(0)

else

redim preserve colRows(ubound(colRows) + 1)

end if

set colRows(ubound(colRows)) = objUnknown

rowAdded = true

set lastAddedRow = objUnknown

end sub

public sub Remove(objUnknown)

dim i

dim idx

idx = getItemIndex(objUnknown)

if idx <> -1 then

for i = idx to ubound(colRows) - 1

set colRows(i) = nothing

set colRows(i) = colRows(i + 1)

set colRows(ubound(colRows)) = nothing

redim preserve colRows(ubound(colRows) - 1)

end if

end sub

public sub removeAll

if not rowAdded then exit sub

dim i

for i = lbound(colRows) to ubound(colRows)

set colRows(i) = nothing

set lastAddedRow = nothing

redim colRows(-1)

rowAdded = false

end sub

private function getItemIndex(objUnknown)

dim i

if not rowAdded then

getItemIndex = -1

exit function

end if

for i = lbound(colRows) to ubound(colRows)

if objUnknown is colRows(i) then

getItemIndex = i

exit function

end if

getItemIndex = -1

end function

end class

sub initElement()

with element.currentStyle

hiBackgroundColor = .highlightBackgroundColor

hiBorderColor = .highlightBorderColor

sortNoneImageUrl = .sortNoneImageUrl

sortUpImageUrl = .sortUpImageUrl

sortDownImageUrl = .sortDownImageUrl

posUpImageUrl = .posUpImageUrl

posDownImageUrl = .posDownImageUrl

end with

Dim MytHead

Set MytHead = element.createTHead()

MytHead.appendChild element.rows(0)

set cSelectedRows = new clsSelectedRows

Set tHead = element.tHead

if tHead is nothing then exit sub

set tHeadRow = tHead.children(0)

if tHeadRow.tagName <> "TR" then exit sub

set tBody = element.tBodies(0)

if tBody is nothing then exit sub

setTableBorder

setRowColors true

arrHitTest = initColumns

initAdditionalElements

with element

.attachEvent "onmouseover", GetRef("elementOnMouseOver")

.attachEvent "onmouseout", GetRef("elementOnMouseOut")

.attachEvent "onmousedown", GetRef("elementOnMouseDown")

.attachEvent "onmousemove",GetRef("elementOnMouseMove")

.attachEvent "onclick", GetRef("elementOnClick")

.attachEvent "ondblclick", GetRef("elementOnDblClick")

.attachEvent "onselectstart", GetRef("elementOnSelect")

end with

window.document.attachEvent "onmouseup", GetRef("elementOnMouseUp")

end sub

sub cleanupElement

dim i

for i = lbound(arrHitTest) to ubound(arrHitTest)

arrHitTest(i).detachEvent "onmousedown", GetRef("elementHeadOnMouseDown")

set arrHitTest(i) = nothing

with element

.detachEvent "onmouseover", GetRef("elementOnMouseOver")

.detachEvent "onmouseout", GetRef("elementOnMouseOut")

.attachEvent "onmousedown", GetRef("elementOnMouseDown")

.detachEvent "onmousemove",GetRef("elementOnMouseMove")

.detachEvent "onclick", GetRef("elementOnClick")

.detachEvent "ondblclick", GetRef("elementOnDblClick")

.detachEvent "onselectstart", GetRef("elementOnSelect")

end with

window.document.detachEvent "onmouseup", GetRef("elementOnMouseUp")

set currentRow = nothing

if not objDragItem is nothing then objDragItem.removeNode true

set objDragItem = nothing

if not objDragToItem1 is nothing then objDragToItem1.removeNode true

set objDragToItem1 = nothing

if not objDragToItem2 is nothing then objDragToItem2.removeNode true

set objDragToItem2 = nothing

set cSelectedRows = nothing

end sub

sub initOffsets

dim el

offset_x = 0

offset_y = 0

set el = element

do while (not el is nothing)

offset_y = offset_y + el.offsetTop - el.scrollTop

offset_x = offset_x + el.offsetLeft - el.scrollLeft

set el = el.offsetParent

loop

set el = nothing

end sub

sub initAdditionalElements

set objDragItem = document.createElement("DIV")

with objDragItem.style

.font = "menu"

.backgroundColor = "buttonshadow"

.cursor = "default"

.position = "absolute"

.filter = "progid:DXImageTransform.Microsoft.Alpha(style=0,opacity=45)"

.zIndex = 3001

.visibility = "hidden"

end with

window.document.body.insertAdjacentElement "afterBegin", objDragItem

set objDragToItem1 = document.createElement("DIV")

with objDragToItem1

.style.height = 9

.style.width = 9

.innerHTML = "<img src='" & posDownImageUrl & "'>"

.style.backgroundColor = "transparent"

.style.position = "absolute"

.style.zIndex = 3000

.style.visibility = "hidden"

end with

window.document.body.insertAdjacentElement "afterBegin", objDragToItem1

set objDragToItem2 = document.createElement("DIV")

with objDragToItem2

.style.height = 9

.style.width = 9

.innerHTML = "<img src='" & posUpImageUrl & "'>"

.style.backgroundColor = "transparent"

.style.position = "absolute"

.style.zIndex = 3000

.style.visibility = "hidden"

end with

window.document.body.insertAdjacentElement "afterBegin", objDragToItem2

end sub

sub elementHeadOnMouseDown

if not element.allowColOrder then exit sub

dim el

dim selIndex

set el = window.event.srcElement

do while (el.tagName <> "TD")

set el = el.parentElement

loop

bDragMode = true

iDragCounter = 0

initOffsets

dragHeadIndex = getArrayIndex(el)

element.setcapture

element.style.cursor = "default"

with objDragItem

.innerHTML = "<center>" & el.innerHTML & "</center>"

.style.color = el.currentStyle.color

.style.height = el.offsetHeight - 2

.style.width = el.offsetWidth - 2

end with

set el = nothing

end sub

sub elementHeadOnClick

if not element.allowSort then exit sub

dim el

dim selIndex

set el = window.event.srcElement

do while (el.tagName <> "TD")

set el = el.parentElement

loop

if el.children(0).id <> "srtImg" then exit sub

selIndex = getArrayIndex(el)

if (selectedHeadIndex <> -1) then

arrHitTest(selectedHeadIndex).children(0).src = sortNoneImageUrl

end if

if cint(selectedHeadIndex) = cint(selIndex) then

if (currentSort = "DOWN") then

currentSort = "UP"

el.children(0).src = sortUpImageUrl

else

currentSort = "DOWN"

el.children(0).src = sortDownImageUrl

end if

else

currentSort = "DOWN"

el.children(0).src = sortDownImageUrl

end if

selectedHeadIndex = selIndex

sortTable selectedHeadIndex

set el = nothing

end sub

function elementOnSelect

with window.event

.cancelBubble = true

.returnValue = false

end with

elementOnSelect = false

end function

sub elementOnMouseOver

if not element.interactive then exit sub

dim el

if bDragMode then exit sub

set el = window.event.srcElement

do while (el.tagName <> "TR" and el.tagName <> "TABLE")

set el = el.parentElement

loop

if (el.tagName <> "TR") then exit sub

'if (el.rowIndex > 0) and not cSelectedRows.QuerySelected(el) then hiliteRow el else hiliteRow nothing

if (el.rowIndex > 0) then hiliteRow el

set el = nothing

end sub

sub elementOnMouseOut

if not element.interactive then exit sub

hiliteRow nothing

end sub

sub elementOnMouseMove

if not element.allowColOrder then exit sub

dim cliX, cliY

if iDragCounter < 10 then

iDragCounter = iDragCounter + 1

exit sub

end if

if (bDragMode and not objDragItem is nothing) then

with window.event

cliX = .clientX

cliY = .clientY

.cancelBubble = false

.returnValue = false

end with

with objDragItem

if (.style.visibility = "hidden") then .style.visibility = "visible"

.style.posLeft = cliX - (.offsetWidth / 2)

.style.posTop = cliY - (.offsetHeight - 3)

end with

dragHeadHitIndex = hitTest(cliX, cliY)

end if

end sub

sub elementOnMouseDown

if not currentRow is nothing then

setRowStyle currentRow, "windowtext", "#98B5E2", "#316AC5"

end if

end sub

sub elementOnMouseUp

if not element.allowColOrder then exit sub

if not bDragMode then exit sub

bDragMode = false

objDragItem.style.visibility = "hidden"

objDragToItem1.style.visibility = "hidden"

objDragToItem2.style.visibility = "hidden"

element.releasecapture

element.style.cursor = "default"

if dragHeadHitIndex <> -1 then moveCols dragHeadIndex, dragHeadHitIndex

lastHeadIndex = -1

dragHeadHitIndex = -1

end sub

sub elementOnClick

if not element.interactive then exit sub

dim el, i, tElement

set el = window.event.srcElement

do while (el.tagName <> "TR" and el.tagName <> "TABLE")

set el = el.parentElement

loop

if (el.tagName <> "TR") then exit sub

if (el.rowIndex = 0) then exit sub

if window.event.shiftKey then

dim lastRow

set lastRow = cSelectedRows.lastAddedRow

if not lastRow is nothing then

dim sIndex, lIndex

sIndex = el.rowIndex

lIndex = lastRow.rowIndex

if sIndex > lIndex then

for i = lIndex + 1 to sIndex

setRowStyle tBody.children(i - 1), "highlighttext", "highlight", "highlight"

if not cSelectedRows.QuerySelected(tBody.children(i - 1)) then cSelectedRows.Add tBody.children(i - 1)

else

for i = lIndex - 1 to sIndex step -1

setRowStyle tBody.children(i - 1), "highlighttext", "highlight", "highlight"

if not cSelectedRows.QuerySelected(tBody.children(i - 1)) then cSelectedRows.Add tBody.children(i - 1)

end if

set lastRow = nothing

set currentRow = nothing

else

cSelectedRows.AddSingle el

setRowStyle el, "highlighttext", "highlight", "highlight"

set currentRow = nothing

end if

elseif window.event.ctrlKey then

if cSelectedRows.QuerySelected(el) then

cSelectedRows.Remove el

setRowStyle el, "windowtext", el.style.backgroundColor, el.style.backgroundColor

hiliteRow el

else

cSelectedRows.Add el

setRowStyle el, "highlighttext", "highlight", "highlight"

set currentRow = nothing

end if

else

if cSelectedRows.Count > 0 then

for i = 0 to cSelectedRows.Count - 1

set tElement = cSelectedRows.SelectedRow(i)

setRowStyle tElement, "windowtext", tElement.style.backgroundColor, el.style.backgroundColor

set tElement = nothing

end if

cSelectedRows.AddSingle el

setRowStyle el, "highlighttext", "highlight", "highlight"

set currentRow = nothing

end if

selectedCount = cSelectedRows.Count

rowselect.fire

set el = nothing

end sub

sub elementOnDblClick

dim el, i, tElement

set el = window.event.srcElement

do while (el.tagName <> "TR" and el.tagName <> "TABLE")

set el = el.parentElement

loop

if (el.tagName <> "TR") then exit sub

if (el.rowIndex = 0) then exit sub

if not element.interactive then exit sub

elementOnClick

rowdblclick.fire

end sub

function selectRow(el)

dim i

dim tElement

if cSelectedRows.Count > 0 then

for i = 0 to cSelectedRows.Count - 1

set tElement = cSelectedRows.SelectedRow(i)

setRowStyle tElement, "windowtext", tElement.style.backgroundColor, el.style.backgroundColor

set tElement = nothing

end if

cSelectedRows.AddSingle el

setRowStyle el, "highlighttext", "highlight", "highlight"

set currentRow = nothing

selectedCount = cSelectedRows.Count

rowselect.fire

end function

function getRow(id)

set getRow = cSelectedRows.SelectedRow(id)

end function

function hideNonSelectedRows

dim i

for i = 0 to tBody.rows.length - 1

if not cSelectedRows.QuerySelected(tBody.children(i)) then

tBody.children(i).style.display = "none"

end if

end function

function showNonSelectedRows

dim i

for i = 0 to tBody.rows.length - 1

if not cSelectedRows.QuerySelected(tBody.children(i)) then

tBody.children(i).style.display = ""

end if

end function

function selectAll

dim i

resetList

for i = 0 to tBody.rows.length - 1

cSelectedRows.Add tBody.children(i)

setRowStyle tBody.children(i), "highlighttext", "highlight", "highlight"

end function

function clearAll

resetList

end function

function resetList

setRowColors true

cSelectedRows.removeAll

selectedCount = 0

end function

sub setTableBorder

with element

.border = "1px"

.rules = "rows"

.borderColor = "window"

select case .borderStyle

case 0

.style.border = ""

posOffSet = 4

case 1

.style.border = "1 solid black"

posOffSet = 5

case 2

.style.borderLeft = "1 buttonshadow solid"

.style.borderTop = "1 buttonshadow solid"

.style.borderBottom = "1 buttonhighlight solid"

.style.borderRight = "1 buttonhighlight solid"

posOffSet = 5

case 3

.style.border = "2 inset window"

posOffSet = 6

end select

end with

end sub

sub setRowColors(bInit)

dim i, c

c = -1

if altRowColor <> "" then

for i = 0 to tBody.rows.length - 1

with tBody.children(i)

if .style.display <> "none" then

c = c + 1

end if

if ((c\2) * 2) = c then

.borderColor = altRowColor

.style.backgroundColor = altRowColor

else

.borderColor = "window"

.style.backgroundColor = "window"

end if

setRowStyle tBody.children(i), "windowtext", .style.backgroundColor, .style.backgroundColor

if not bInit then

if cSelectedRows.QuerySelected(tBody.children(i)) then

setRowStyle tBody.children(i), "highlighttext", "highlight", "highlight"

end if

end with

end if

end sub

function initColumns

dim i

dim tArray()

dim imgElement

colCount = tHeadRow.children.length

redim tArray(colCount - 1)

for i = 0 to colCount - 1

with tHeadRow.children(i)

if .children.length = 0 then

set imgElement = document.createElement("IMG")

with imgElement

.src = sortNoneImageUrl

.id = "srtImg"

.width = 25

.height = 11

end with

if element.allowSort then .insertAdjacentElement "beforeEnd", imgElement

set imgElement = nothing

else

.children(0).style.cursor = "default"

end if

.attachEvent "onmousedown", GetRef("elementHeadOnMouseDown")

.attachEvent "onclick", GetRef("elementHeadOnClick")

end with

set tArray(i) = tHeadRow.children(i)

initColumns = tArray

end function

sub hiliteRow(el)

if not currentRow is nothing then

if cSelectedRows.QuerySelected(currentRow) then

setRowStyle currentRow, "highlighttext", "highlight", "highlight"

else

setRowStyle currentRow, "windowtext", currentRow.style.backgroundColor, currentRow.style.backgroundColor

end if

if not el is nothing then setRowStyle el, "windowtext", hiBackgroundColor, hiBorderColor

set currentRow = el

end sub

sub setRowStyle(objUnknown, fontColor, bgColor, borderColor)

with objUnknown

.borderColor = borderColor

with .runtimeStyle

.color = fontColor

.backgroundColor = bgColor

end with

end sub

sub hiliteHeader(headIndex)

dim o1Style, o2Style

if (headIndex = lastHeadIndex) then exit sub

set o1Style = objDragToItem1.style

set o2Style = objDragToItem2.style

if (headIndex = -1) then

if o1Style.visibility <> "hidden" then o1Style.visibility = "hidden"

if o2Style.visibility <> "hidden" then o2Style.visibility = "hidden"

if ie6 then

if element.style.cursor <> "no-drop" then element.style.cursor = "no-drop"

end if

lastHeadIndex = -1

set o1Style = nothing

set o2Style = nothing

exit sub

end if

if element.style.cursor <> "default" then element.style.cursor = "default"

if headIndex > ubound(arrHitTest) - 1 then

o1Style.posTop = offset_y - o1Style.posHeight

o1Style.posLeft = arrHitTest(headIndex - 1).offsetLeft + arrHitTest(headIndex - 1).offsetWidth - posOffSet + offset_x

else

o1Style.posTop = offset_y - o1Style.posHeight

o1Style.posLeft = arrHitTest(headIndex).offsetLeft - posOffSet + offset_x

end if

o2Style.posTop = arrHitTest(0).offsetHeight + offset_y

o2Style.posLeft = o1Style.posLeft

if o1Style.visibility <> "visible" then o1Style.visibility = "visible"

if o2Style.visibility <> "visible" then o2Style.visibility = "visible"

lastHeadIndex = headIndex

set o1Style = nothing

set o2Style = nothing

end sub

sub sortTable(iCol)

dim i, s

dim strRowCurrent, strRowInsert

dim bReverse

bReverse = (currentSort = "UP")

for i = 0 to tBody.rows.length - 1

strRowInsert = lcase(tBody.children(i).children(iCol).innerText)

if isdate(strRowInsert) then strRowInsert = cdate(strRowInsert)

for s = 0 to i

strRowCurrent = lcase(tBody.children(s).children(iCol).innerText)

if isdate(strRowCurrent) then strRowCurrent = cdate(strRowCurrent)

if (((not bReverse and strRowInsert < strRowCurrent) or _

(bReverse and strRowInsert > strRowCurrent)) and _

(i <> s)) then

tBody.insertBefore tBody.children(i), tBody.children(s)

exit for

end if

setRowColors false

end sub

sub moveCols(fCol, tCol)

dim i

dim elTextSave

if fCol = tCol then exit sub

if selectedHeadIndex <> -1 then elTextSave = arrHitTest(selectedHeadIndex).innerText

moveHeaderCols cint(fCol), cint(tCol)

for i = 0 to tBody.rows.length - 1

moveBodyCols i, cint(fCol), cint(tCol)

for i = lbound(arrHitTest) to ubound(arrHitTest)

set arrHitTest(i) = nothing

set arrHitTest(i) = tHeadRow.children(i)

if not elTextSave = "" then

if elTextSave = arrHitTest(i).innerText then

selectedHeadIndex = i

elTextSave = ""

end if

end sub

sub moveHeaderCols(fCol, tCol)

dim i, nCol, dCol

dim saveHTML, saveWidth

if fCol > tCol then

dCol = -1

nCol = fCol - tCol

else

dCol = 1

nCol = tCol - fCol

end if

saveHTML = tHeadRow.children(fCol).innerHTML

saveWidth = tHeadRow.children(fCol).width

for i = 0 to nCol - 1

tHeadRow.children(fCol).innerHTML = tHeadRow.children(fCol + dCol).innerHTML

tHeadRow.children(fCol).width = tHeadRow.children(fCol + dCol).width

fCol = fCol + dCol

tHeadRow.children(tCol).innerHTML = saveHTML

tHeadRow.children(tCol).width = saveWidth

end sub

sub moveBodyCols(iRow, fCol, tCol)

dim i, nCol, dCol

dim saveHTML

if fCol > tCol then

dCol = -1

nCol = fCol - tCol

else

dCol = 1

nCol = tCol - fCol

end if

saveHTML = tBody.children(iRow).children(fCol).innerHTML

for i = 0 to nCol - 1

tBody.children(iRow).children(fCol).innerHTML = tBody.children(iRow).children(fCol + dCol).innerHTML

fCol = fCol + dCol

tBody.children(iRow).children(tCol).innerHTML = saveHTML

end sub

function hitTest(x, y)

dim i, iHit

if y - offset_y > (arrHitTest(0).offsetTop + ((arrHitTest(0).offsetHeight - 3) * 2)) or y - offset_y < arrHitTest(0).offsetTop - 3 then

hiliteHeader -1

hitTest = -1

exit function

end if

for i = 0 to colCount - 1

if x - offset_x > arrHitTest(i).offsetLeft and x - offset_x < arrHitTest(i).offsetLeft + arrHitTest(i).offsetWidth then

if x - offset_x <= arrHitTest(i).offsetLeft + (arrHitTest(i).offsetWidth \ 2) then

hiliteHeader i

if dragHeadIndex > i then

iHit = i

elseif dragHeadIndex = i then

iHit = i

elseif dragHeadIndex < i then

iHit = i - 1

end if

elseif x - offset_x => arrHitTest(i).offsetLeft + (arrHitTest(i).offsetWidth \ 2) then

hiliteHeader i + 1

if dragHeadIndex > i then

iHit = i + 1

elseif dragHeadIndex = i then

iHit = i

elseif dragHeadIndex < i then

iHit = i

end if

if iHit < lbound(arrHitTest) then iHit = lbound(arrHitTest)

if iHit > ubound(arrHitTest) then iHit = ubound(arrHitTest)

hitTest = iHit

exit function

end if

hitTest = -1

end function

function getArrayIndex(el)

dim i

for i = lbound(arrHitTest) to ubound(arrHitTest)

if (el is arrHitTest(i)) then

getArrayIndex = i

exit function

end if

getArrayIndex = -1

end function

</script>

</PUBLIC:COMPONENT>

附加的小图片下载：
downarrow.gif
sortBlank.gif
sortDown.gif
sortUp.gif
uparrow.gif

posted on 2007-09-13 12:18 钢钢阅读(721) 评论(0) 编辑收藏举报

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