IT_Programming/JavaScript

3단 트리메뉴 스크립트

JJun ™ 2006. 4. 26. 01:38
/***************************************************/
/*                                                 */
/*                                                 */
/*          메뉴 생성 함수 S                       */
/*                                                 */
/*                                                 */
/***************************************************/
function Folder(folderDescription, hreference) //constructor
{
   //constant data
   this.desc = folderDescription
   this.hreference = hreference
   this.id = -1
   this.navObj = 0
   this.iconImg = 0
   this.nodeImg = 0
   this.isLastNode = 0

   //dynamic data
   this.isOpen = true
   this.iconSrc = "images/ftv2folderopen.gif"
   this.children = new Array
   this.nChildren = 0

   //methods
   this.initialize = initializeFolder
   this.setState = setStateFolder
   this.addChild = addChild
   this.createIndex = createEntryIndex
   this.hide = hideFolder
   this.display = display
   this.renderOb = drawFolder
   this.totalHeight = totalHeight
   this.subEntries = folderSubEntries
   this.outputLink = outputFolderLink
}

function setStateFolder(isOpen)
{
   var subEntries
   var totalHeight
   var fIt = 0
   var i=0

   if (isOpen == this.isOpen)
      return

   if (browserVersion == 2)
   {
      totalHeight = 0
      for (i=0; i < this.nChildren; i++)
         totalHeight = totalHeight + this.children[i].navObj.clip.height
      subEntries = this.subEntries()
      if (this.isOpen)
         totalHeight = 0 - totalHeight
      for (fIt = this.id + subEntries + 1; fIt < nEntries; fIt++)
         indexOfEntries[fIt].navObj.moveBy(0, totalHeight)
   }
   this.isOpen = isOpen
   propagateChangesInState(this)
}

function propagateChangesInState(folder)
{
   var i=0

   if (folder.isOpen)
   {
      if (folder.nodeImg)
         if (folder.isLastNode)
            folder.nodeImg.src = "images/ftv2mlastnode.gif"
         else
            folder.nodeImg.src = "images/ftv2mnode.gif"
      folder.iconImg.src = "images/ftv2folderopen.gif"
      for (i=0; i<folder.nChildren; i++)
         folder.children[i].display()
   }
   else
   {
      if (folder.nodeImg)
         if (folder.isLastNode)
            folder.nodeImg.src = "images/ftv2plastnode.gif"
         else
            folder.nodeImg.src = "images/ftv2pnode.gif"
      folder.iconImg.src = "images/ftv2folderclosed.gif"
      for (i=0; i<folder.nChildren; i++)
         folder.children[i].hide()
   }
}

function hideFolder()
{
   if (browserVersion == 1)
   {
      if (this.navObj.style.display == "none")
         return
      this.navObj.style.display = "none"
   }
   else
   {
      if (this.navObj.visibility == "hiden")
         return
      this.navObj.visibility = "hiden"
   }
   this.setState(0)
}

function initializeFolder(level, lastNode, leftSide)
{
   var j=0
   var i=0
   var numberOfFolders
   var numberOfDocs
   var nc

   nc = this.nChildren

   this.createIndex()

   var auxEv = ""

   if (browserVersion > 0)
      auxEv = "<a href='javascript:clickOnNode("+this.id+")'>"
   else
      auxEv = "<a>"

   if (level>0)
      if (lastNode) //the last 'brother' in the children array
      {
         this.renderOb(leftSide + auxEv + "<img name='nodeIcon" + this.id + "' src='images/ftv2mlastnode.gif' border=0></a>")
         leftSide = leftSide + "<img src='images/ftv2blank.gif'>"
         this.isLastNode = 1
      }
      else
      {
         this.renderOb(leftSide + auxEv + "<img name='nodeIcon" + this.id + "' src='images/ftv2mnode.gif' border=0></a>")
         leftSide = leftSide + "<img src='images/ftv2vertline.gif'>"
         this.isLastNode = 0
      }
   else
      this.renderOb("")

   if (nc > 0)
   {
      level = level + 1
      for (i=0 ; i < this.nChildren; i++)
      {
         if (i == this.nChildren-1)
            this.children[i].initialize(level, 1, leftSide)
         else
            this.children[i].initialize(level, 0, leftSide)
      }
   }
}

function drawFolder(leftSide)
{
   if (browserVersion == 2)
   {
      if (!doc.yPos)
         doc.yPos=8

      //doc.write("<layer id='folder" + this.id + "' top=" + doc.yPos + " visibility=hiden>")
      doc.write("<layer id='folder" + this.id + "' top=" + (doc.yPos+78) + " visibility=hiden>")
   }

   doc.write("<table ")
   if (browserVersion == 1)
      doc.write(" id='folder" + this.id + "' style='position:block;' ")
   doc.write(" border=0 cellspacing=0 cellpadding=0>")
   doc.write("<tr><td>")
   doc.write(leftSide)
   this.outputLink()
   doc.write("<img name='folderIcon" + this.id + "' ")
   doc.write("src='" + this.iconSrc+"' border=0></a>")
   doc.write("</td><td valign=middle nowrap>")
   if (USETEXTLINKS)
   {
      this.outputLink()
      doc.write(this.desc + "</a>")
   }
   else
      doc.write(this.desc)
   doc.write("</td>")
   doc.write("</table>")

   if (browserVersion == 2)
   {
      doc.write("</layer>")
   }

   if (browserVersion == 1)
   {
      this.navObj = doc.all["folder"+this.id]
      this.iconImg = doc.all["folderIcon"+this.id]
      this.nodeImg = doc.all["nodeIcon"+this.id]
   }
   else if (browserVersion == 2)
   {
      this.navObj = doc.layers["folder"+this.id]
      this.iconImg = this.navObj.document.images["folderIcon"+this.id]
      this.nodeImg = this.navObj.document.images["nodeIcon"+this.id]
      doc.yPos=doc.yPos+this.navObj.clip.height
   }
}

function outputFolderLink()
{
   if (this.hreference)
   {
      doc.write("<a href='" + this.hreference + "' TARGET=\"mainFm\" ")
      if (browserVersion > 0)
         doc.write(onClick='javascript:clickOnFolder("+this.id+")'")
      doc.write(">")
   }
   else
      doc.write("<a>")
   //  doc.write("<a href='javascript:clickOnFolder("+this.id+")'>")
}

function addChild(childNode)
{
   this.children[this.nChildren] = childNode
   this.nChildren++
   return childNode
}

function folderSubEntries()
{
   var i = 0
   var se = this.nChildren

   for (i=0; i < this.nChildren; i++)
   {
      if (this.children[i].children) //is a folder
         se = se + this.children[i].subEntries()
   }

   return se
}


// Definition of class Item (a document or link inside a Folder)
// *************************************************************

function Item(itemDescription, itemLink) // Constructor
{
   // constant data
   this.desc = itemDescription
   this.link = itemLink
   this.id = -1 //initialized in initalize()
   this.navObj = 0 //initialized in render()
   this.iconImg = 0 //initialized in render()
   this.iconSrc = "images/ftv2doc.gif"

   // methods
   this.initialize = initializeItem
   this.createIndex = createEntryIndex
   this.hide = hideItem
   this.display = display
   this.renderOb = drawItem
   this.totalHeight = totalHeight
}

function Item2(itemDescription, itemLink) // Constructor
{
   // constant data
   this.desc = itemDescription
   this.link = itemLink
   this.id = -1 //initialized in initalize()
   this.navObj = 0 //initialized in render()
   this.iconImg = 0 //initialized in render()
   this.iconSrc = "images/ftv2link.gif"

   // methods
   this.initialize = initializeItem
   this.createIndex = createEntryIndex
   this.hide = hideItem
   this.display = display
   this.renderOb = drawItem
   this.totalHeight = totalHeight
}

function hideItem()
{
   if (browserVersion == 1)
   {
      if (this.navObj.style.display == "none")
         return
      this.navObj.style.display = "none"
   }
   else
   {
      if (this.navObj.visibility == "hiden")
         return
      this.navObj.visibility = "hiden"
   }
}

function initializeItem(level, lastNode, leftSide)
{
   this.createIndex()

   if (level>0)
      if (lastNode) //the last 'brother' in the children array
      {
         this.renderOb(leftSide + "<img src='images/ftv2lastnode.gif'>")
         leftSide = leftSide + "<img src='images/ftv2blank.gif'>"
      }
      else
      {
         this.renderOb(leftSide + "<img src='images/ftv2node.gif'>")
         leftSide = leftSide + "<img src='images/ftv2vertline.gif'>"
      }
   else
      this.renderOb("")
}

function drawItem(leftSide)
{
   if (browserVersion == 2)
      doc.write("<layer id='item" + this.id + "' top=" + (doc.yPos+78) + " visibility=hiden>")

      doc.write("<table ")
   if (browserVersion == 1)
      doc.write(" id='item" + this.id + "' style='position:block;' ")
   doc.write(" border=0 cellspacing=0 cellpadding=0>")
   doc.write("<tr><td>")
   doc.write(leftSide)
   doc.write("<a href=" + this.link + ">")
   doc.write("<img id='itemIcon"+this.id+"' ")
   doc.write("src='"+this.iconSrc+"' border=0>")
   doc.write("</a>")
   doc.write("</td><td valign=middle nowrap>")
   if (USETEXTLINKS)
      doc.write("<a href=" + this.link + ">" + this.desc + "</a>")
   else
      doc.write(this.desc)
   doc.write("</table>")

   if (browserVersion == 2)
      doc.write("</layer>")

   if (browserVersion == 1)
   {
      this.navObj = doc.all["item"+this.id]
      this.iconImg = doc.all["itemIcon"+this.id]
   }
   else if (browserVersion == 2)
   {
      this.navObj = doc.layers["item"+this.id]
      this.iconImg = this.navObj.document.images["itemIcon"+this.id]
      doc.yPos=doc.yPos+this.navObj.clip.height
   }
}


// Methods common to both objects (pseudo-inheritance)
// ********************************************************

function display()
{
   if (browserVersion == 1)
      this.navObj.style.display = "block"
   else
      this.navObj.visibility = "show"
}

function createEntryIndex()
{
   this.id = nEntries
   indexOfEntries[nEntries] = this
   nEntries++
}

// total height of subEntries open
function totalHeight() //used with browserVersion == 2
{
   var h = this.navObj.clip.height
   var i = 0

   if (this.isOpen) //is a folder and _is_ open
      for (i=0 ; i < this.nChildren; i++)
         h = h + this.children[i].totalHeight()

   return h
}


// Events
// *********************************************************

function clickOnFolder(folderId)
{
   var clicked = indexOfEntries[folderId]

   if (!clicked.isOpen)
      clickOnNode(folderId)

   return

   if (clicked.isSelected)
      return
}

function clickOnNode(folderId)
{
   var clickedFolder = 0
   var state = 0

   clickedFolder = indexOfEntries[folderId]
   state = clickedFolder.isOpen

   clickedFolder.setState(!state) //open<->close
}

function initializeDocument()
{
   if (doc.all)
      browserVersion = 1 //IE4
   else
      if (doc.layers)
         browserVersion = 2 //NS4
      else
         browserVersion = 0 //other

   foldersTree.initialize(0, 1, "")
   foldersTree.display()

   if (browserVersion > 0)
   {
      doc.write("<layer top="+indexOfEntries[nEntries-1].navObj.top+">&nbsp;</layer>")

      // close the whole tree
      clickOnNode(0)
      // open the root folder
      clickOnNode(0)
   }
}

// Auxiliary Functions for Folder-Treee backward compatibility
// *********************************************************

function gFld(description, hreference)
{
   folder = new Folder(description, hreference)
   return folder
}

function gLnk(target, description, linkData)
{
   fullLink = ""

   if (target==0)
   {
      fullLink = "'"+linkData+"' target=\"mainFm\""
      linkItem = new Item(description, fullLink)
   }
   else
   {
      if (target==1)
      {
         fullLink = "'http://"+linkData+"' target=mainFm"
         linkItem = new Item(description, fullLink)
      }
      else
      {
         if(target==2)
         {
            fullLink = "'"+linkData+"' target=\"mainFm\""
            linkItem = new Item2(description, fullLink)
         }
         else
         {
            fullLink = "'http://"+linkData+"' target=mainFm"
            linkItem = new Item2(description, fullLink)
         }
      }
   }

   //linkItem = new Item(description, fullLink)
   return linkItem
}

function insFld(parentFolder, childFolder)
{
   return parentFolder.addChild(childFolder)
}

function insDoc(parentFolder, document)
{
   parentFolder.addChild(document)
}

// Global variables
// ****************

USETEXTLINKS = 1
indexOfEntries = new Array
nEntries = 0
doc = document
browserVersion = 0
selectedFolder=0
/***************************************************/
/*                                                 */
/*                                                 */
/*          메뉴 생성 함수 E                       */
/*                                                 */
/*                                                 */
/***************************************************/