// Copyright 2000-2006 Adobe Macromedia Software LLC and its licensors. All rights reserved.

   function receiveArguments()
   {
	  var selection = dw.getSelection();
      var node      = dw.offsetsToNode( selection[0], selection[1] );
      if (!node) return false;
      var tagName = node.tagName;
      if (tagName == undefined) return false;
      var imageSrc  = node.getAttribute( "src" );
	  var fullPath = getFullPath(imageSrc);

	  var editorURL="";
	  for (i=0; i < dw.constructor.gMenuIDs.length-1; i++)
	  {
		 if (arguments[0] == dw.constructor.gMenuIDs[i])
			editorURL = dw.constructor.gExternalEditors[i*2 + 1];
	  }

	  if (editorURL != "")
	  {
		 dw.openWithImageEditor(fullPath, editorURL);
		 return true;
	  }
	  else
	  {
	     dw.openWithBrowseDialog(fullPath);
		 return true;
	  }
   }

   function canAcceptCommand()
   {
	  var selection = dw.getSelection();
      var node      = dw.offsetsToNode( selection[0], selection[1] );
      if (!node) return false;
      var tagName = node.tagName;
      if (tagName == undefined) return false;
      var imageSrc  = node.getAttribute( "src" );
	  if (selection && node && imageSrc)
	  	return true;
	  else
		return false;
   }

   function getDynamicContent()
   {
   
      var selection = dw.getSelection();
      var node      = dw.offsetsToNode( selection[0], selection[1] );
      if (!node) return false;
      var tagName = node.tagName;
      if (tagName == undefined) return false;
      var imageSrc  = node.getAttribute( "src" );
	  var fullPath = getFullPath(imageSrc);

	// get the primary external editor for the selected item
	  var primaryEditorArray = dw.getPrimaryExtensionEditor(fullPath);
	  if (primaryEditorArray.length == 1)
	  {
	  	dw.constructor.gPrimaryEditorName = "";
	  	dw.constructor.gPrimaryEditorURL = "";
	  }
	  else
	  {
	  	dw.constructor.gPrimaryEditorName = primaryEditorArray[0];
	  	dw.constructor.gPrimaryEditorURL = primaryEditorArray[1];
	  }
	  
	// get the external editors for the selected item
	  var externalEditorArray = dw.getExtensionEditorList(fullPath);
	  if (externalEditorArray.length <= 1)
	  	dw.constructor.gExternalEditors = new Array("");
	  else if (externalEditorArray.length == 2 && dw.constructor.gPrimaryEditorName != "")
	  	dw.constructor.gExternalEditors = new Array("");
	  else
	  {
	    dw.constructor.gExternalEditors = new Array(externalEditorArray.length-2);
		var index=0;
	  	for (i=0; i < externalEditorArray.length; i++)
	  	{
			// don't add the primary editor to the list of editors
		    if (externalEditorArray[i] == dw.constructor.gPrimaryEditorName)
			   i++;
			else
				{
				dw.constructor.gExternalEditors[index++] = externalEditorArray[i];
				}
	  	}
	  }
	  // now put the primary editor at first
	  if (dw.constructor.gPrimaryEditorName.length > 0)
	  {
	  	if (dw.constructor.gExternalEditors.length == 1)
	  	{
	  		dw.constructor.gExternalEditors = new Array();
	  	}
	  	dw.constructor.gExternalEditors.unshift(dw.constructor.gPrimaryEditorURL);
	  	dw.constructor.gExternalEditors.unshift(dw.constructor.gPrimaryEditorName);
	  }
	  
	// put the names of the editors in the menu
	  var menuItems;
	  var i;
	  if (dw.constructor.gExternalEditors.length == 1)
	  {
	    // we should have pairs... if we don't then just add Browse... to the list
		menuItems = new Array(1);
		dw.constructor.gMenuIDs = new Array(1);
		i=0;
	  }
	  else
	  {
	  	// we have pairs of editor names and editor paths
		// put the names in the menu and remember the paths
		menuItems = new Array(dw.constructor.gExternalEditors.length/2 + 1);
	    dw.constructor.gMenuIDs = new Array(dw.constructor.gExternalEditors.length/2 + 1);
		for (i=0; i < dw.constructor.gExternalEditors.length/2; i++)
		{
			// add non-primary editors to the list of editors
			dw.constructor.gMenuIDs[i] = "Editor" + i;
			menuItems[i] = dw.constructor.gExternalEditors[i*2] + ";id='" + escQuotes(dw.constructor.gMenuIDs[i]) + "'";
		}
	  }

	  // always add Browse... to the bottom of the list
	  dw.constructor.gMenuIDs[i] = "ExtEd:Browse";
	  menuItems[i] = MENU_Browse+";id='" + escQuotes(dw.constructor.gMenuIDs[i]) + "'";

	  return menuItems;
   }
