// Licensed Materials - Property of IBM
//
// IBM Cognos Products: pps
//
// (C) Copyright IBM Corp. 2005, 2017
//
// US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.

//The drag and Drop gloabl object that allows for a common Drag and Drop
//Framework between Netscape and IE.
function dragAndDropManager() {
  
  //Memeber variables
  this.isDragging = false;
  this.isXtabElementDragging = false;
  this.isCarrying = false;
  this.data = "";
  this.clickedItem = null;
  this.isMeasure = false;
  this.hierRootofDraggedCategory = 0;

  this.setDrag = function(text) {
    this.isDragging = true;
	this.data = text;
  }

  this.isDraggingAnItem = function() {
	return (this.isDragging || this.isXtabElementDragging || this.isCarrying);
  }

  this.setCarry = function(item) {
    this.isCarrying = true;
	this.isMeasure = gDimensionInfo[item.getAttribute("dimIdx")].isMeasureDimension;   
	this.clickedItem = item;
	window.TreeToolBar.setAllButtons();
  }

  this.setHierRootOfDraggedCategory = function(hierRoot) {
	this.hierRootofDraggedCategory = hierRoot;
  }

  this.getHierRootOfDraggedCategory = function() {
	return this.hierRootofDraggedCategory;
  }

  this.setXtabElementDrag = function(obj) {
    this.isXtabElementDragging = true;
	this.data = obj;
  }

  this.cancelDrag = function() {
    if (this.isCarrying) {
	  this.clickedItem = null;
      this.isCarrying = false;
	  window.TreeToolBar.setAllButtons(); 
	}
    this.isDragging = false;
	this.isXtabElementDragging = false;
	this.hierRootofDraggedCategory = 0;
	window.DimTree.deselectAll();
  }
  
  this.getData = function() {
    if (this.isDragging || this.isXtabElementDragging)
      return this.data;
	else
	  return "";
  }
}

function clickProcessDrop(event) {
  var dndManager = topparent.getGlobal("dndManager");
  if (dndManager.isCarrying) {
    processDrop(event);
  }
}

function clearDrag(event) {
  var dndManager = topparent.getGlobal("dndManager");
  if (dndManager.isCarrying) {
    dndManager.cancelDrag();
  }
}

function dropOrSelect(event) {
  if (topparent.getGlobal("dndManager").isCarrying)
    processDrop(event);
  else
    processSelection(event);
}

function dragMouseOver(event) {
  if (topparent.getGlobal("dndManager").isCarrying)
    processDragEnter(event);    
}

function dragMouseOut(event) {
  if (topparent.getGlobal("dndManager").isCarrying)
    processDragLeave(event);
}

function preventNetscapeDrag(event) {
//	Deprecated function: Drag&Drop now enabled on all browsers
//  var eventM = new eventManager(event);
//	eventM.preventDefault();	
}