OBA, SharePoint and Aghy [MVP]

We have an insurance customer, who required a contracr repository. WSS 3.0
fits on their base requirements, but they had some special needs as well: First
of all, at the end of contracts' lifecycle, after signing them, we have to save
several attachments, for example scanned copies or some appendixes. In one word,
every contracts contain a main document and some attached documents, so we need
document libraries with ability to attach files to documents. The second special
need is a custom field, which manages the contract elements' permissions.

Document library with ability to attach files

In WSS 3.0 we don't have any out-of-the-box feature to manage attachments in
document libraries, so we have a little trick. Our steps were the
followings:

• Create the base document library, which stores the contracts.
• Create a secondary document library, which will store the attachments. This
  library have to contain a lookup column to the base document library – we store
  here a reference to the bace contract for every attachment.
• Insert special commands to base library's element menu with a little
  javascript added to a Content Editor webpart on AllItems.aspx: one for Add new
  attachment, and the other one for View attachments:

  
  <script language="javascript">// Add a custom menu items into the menufunction Custom_AddDocLibMenuItems(m, ctx){  var strDisplayText = "Add new Attachment";  var strAction =  "window.open('http://myserver/insurance/Attachments/Forms/Upload.aspx?&RelatedDocumentID="+currentItemID+"');";  var strImagePath = "/_layouts/images/attach.gif";  // Add our new menu item  CAMOpt(m, strDisplayText, strAction, strImagePath);
  
    var strDisplayText2 = "View Attachments";  var strAction2 =  "window.open('http://myserver/insurance/Attachments/Forms/AttachmentForContract.aspx?&ID="+currentItemID+"');";  var strImagePath2 = "/_layouts/images/attach.gif";  // Add our new menu item  CAMOpt(m, strDisplayText2, strAction2, strImagePath2);
  
    // add a separator to the menu  CAMSep(m);
  
    // false means that the standard menu items should also rendered  return false;
  
  }</script>
  

• In the attachment library we have a lookup column to the base document
  library, so we have to set a default value to the base contract. This contract's
  ID is passed by ID parametet.
• That's all The AttachmentForContract.aspx is a custom list of contracts
  filtered by ID parameter. If the user click to View attachments menu, he/she
  will be redirected to this page, and he/she can see the attachments for base
  contract passed by ID parameter.

In the next part, I'll show you how you can develop a custom field, which is
responsible for rights management on a list item or a document.

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