// 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.

//Maintain the undo information
var TYPE_XTAB_MEASURE = 1;
var TYPE_ROW = 2;
var TYPE_COLUMN = 3;
var TYPE_NEST_ROWS = 4;
var TYPE_NEST_COLS = 5;
var TYPE_REORDER_ROW = 6;
var TYPE_REORDER_COLUMN = 7;
var TYPE_CHANGE_DIMBAR_FILTER = 9;
var TYPE_NONE = 0;

var NEST_BETWEEN_CATEGORY_SENSITIVITY = 3;

var previousOper = TYPE_NONE;
var previousLevel = -1;

var selectedMeasureCell = null;

var overCategoryHeader = null;

function getOper(type, obj, event) {
  if (type == "dimbar")
	return TYPE_CHANGE_DIMBAR_FILTER;
  if (type == "d" || type == "m")
    return TYPE_XTAB_MEASURE;
  else if (type == "r" || type.indexOf("lr") >= 0) {
	if (isReordering(type, event, obj))
		return TYPE_REORDER_ROW;	
	else
		return TYPE_ROW;
  } else if (type == "c" || type.indexOf("lc") >= 0) {
	if (isReordering(type, event, obj))
		return TYPE_REORDER_COLUMN;
	else
		return TYPE_COLUMN;
  } else if (type == "rn")
    return TYPE_NEST_ROWS;
  else if (type == "cn")
    return TYPE_NEST_COLS;
  else
    return TYPE_NONE;
}

function getLevel(type, obj, event) {
  var oper = getOper(type, obj, event);
  if (oper == TYPE_NEST_ROWS || oper == TYPE_NEST_COLS)
    return obj.getAttribute("level");
  else if (oper == TYPE_ROW || oper == TYPE_COLUMN || oper == TYPE_REORDER_ROW || oper == TYPE_REORDER_COLUMN)
    if (type == "r" || type == "c")
	  return obj.getAttribute("mylevel");
	else
	  return parseLevelNumber(type);
  else
    return -1;
} 

function isNestLeftOfCategory(event, obj) {
	return (parseInt(event.clientX - getOffsetLeft(obj)) <= NEST_BETWEEN_CATEGORY_SENSITIVITY);
}

function isNestRightOfCategory(event, obj) {
	return (parseInt(getOffsetLeft(obj) + obj.offsetWidth - event.clientX) <= NEST_BETWEEN_CATEGORY_SENSITIVITY);
}

function isNestAboveCategory(event, obj) {
	return (parseInt(event.clientY - getOffsetTop(obj)) <= NEST_BETWEEN_CATEGORY_SENSITIVITY);
}

function isNestBelowCategory(event, obj) {
	return (parseInt(getOffsetTop(obj) + obj.offsetHeight - event.clientY) <= NEST_BETWEEN_CATEGORY_SENSITIVITY);
}

function processDragOverOrEnter(event)
{
	if (!topparent.allFramesInitialized())
		return;

	var eventM = new eventManager(event);
	eventM.cancelBubble();
	
	if ( !isValidDragAndDropObject() )
		return;

	var obj = bubbletoDragAndDropSensitiveObject(eventM.getSrc());
	if (obj == null)
		return;

	type = obj.getAttribute("type");

	//Get operation and Level
	var oper = getOper(type, obj, event);
	var level = getLevel(type, obj, event);

	//Check if we need to undo the previous drag drop effect
	if ((oper != TYPE_CHANGE_DIMBAR_FILTER) && (oper != previousOper || level != previousLevel)) {
	  dragLeave(event, previousOper, previousLevel);

	  if (oper == TYPE_REORDER_ROW || oper == TYPE_REORDER_COLUMN)
		overCategoryHeader = obj;
	  else
		overCategoryHeader = null;

	  switch (oper) {
        case TYPE_XTAB_MEASURE: onDragOverXtabMeasure(event); break;
        case TYPE_ROW: onDragOverRow(event, level); break;
        case TYPE_COLUMN: onDragOverColumn(event, level); break;
        case TYPE_NEST_ROWS: onDragOverRowNestZone(event, level); break;
        case TYPE_NEST_COLS: onDragOverColNestZone(event, level); break;
		case TYPE_REORDER_ROW: 
		case TYPE_REORDER_COLUMN: onDragOverCategoryNestBetween(event, obj); break;
	  }
	}
	if (eventM.theEvent.dataTransfer)
      processDragCursor(type, obj, event);

	previousOper = oper;
	previousLevel = level;
	eventM.preventDefault();
}

function dragLeave(event, oper, level) {
  switch (oper) {
    case TYPE_XTAB_MEASURE: onDragLeaveXtabMeasure(); break;
    case TYPE_ROW: onDragLeaveRow(event, level); break;
    case TYPE_COLUMN: onDragLeaveColumn(event, level); break;
    case TYPE_NEST_ROWS: onDragLeaveRowNestZone(level); break;
    case TYPE_NEST_COLS: onDragLeaveColNestZone(level); break;
	case TYPE_REORDER_ROW:
	case TYPE_REORDER_COLUMN: onDragLeaveCategoryNestBetween(event); break;
  }
}

function processDragCursor(type, obj, event) {

  var eventM = new eventManager(event);
  if (getOper(type, obj, event) == TYPE_CHANGE_DIMBAR_FILTER)
	eventM.theEvent.dataTransfer.dropEffect = "move";
  else if (getOper(type, obj, event) == TYPE_ROW || getOper(type, obj, event) == TYPE_COLUMN)
    eventM.theEvent.dataTransfer.dropEffect = "move";
  else if (getOper(type, obj, event) == TYPE_REORDER_ROW || getOper(type, obj, event) == TYPE_REORDER_COLUMN)
	eventM.theEvent.dataTransfer.dropEffect = "move";
  else if (getOper(type, obj, event) == TYPE_NEST_ROWS || getOper(type, obj, event) == TYPE_NEST_COLS)
    eventM.theEvent.dataTransfer.dropEffect = "copy";
  else if (getOper(type, obj, event) == TYPE_XTAB_MEASURE && isDraggingMeasure())
    eventM.theEvent.dataTransfer.dropEffect = "move";
  else
    eventM.theEvent.dataTransfer.dropEffect = "none";
}

function processDragLeave(event) {
  if (!topparent.allFramesInitialized())
	return;

  var eventM = new eventManager(event);
  eventM.cancelBubble(); 
  if (eventM.theEvent.clientX < document.getElementById("innerNiceMain-tab0").offsetLeft || eventM.theEvent.clientY < document.getElementById("innerNiceMain-tab0").offsetTop) {
    dragLeave(event, previousOper, previousLevel);
	previousOper = TYPE_NONE;
    previousLevel = -1;
  }
  
  eventM.preventDefault();
}

function processDragEnter(event) {
  processDragOverOrEnter(event);
}

function processDragOver(event) {
  processDragOverOrEnter(event);
}

function processNestBetweenOverOrEnter(event) {
	var eventM = new eventManager(event);
	eventM.cancelBubble();
	eventM.theEvent.dataTransfer.dropEffect = "move";
	eventM.preventDefault();
}

function processDrop(event)
{
	if (!topparent.allFramesInitialized())
		return;

	var eventM = new eventManager(event);
	eventM.cancelBubble();

	if ( !isValidDragAndDropObject() )
		return;

	var obj = bubbletoDragAndDropSensitiveObject(eventM.getSrc());
	if (obj == null) {
	    //Dump the object from the drop framework
		topparent.getGlobal("dndManager").cancelDrag();
		return;
	}

	var oper = getOper(type, obj, event);
	var level = getLevel(type, obj, event);

	switch (oper) {
		case TYPE_XTAB_MEASURE: onDropMeasure(parseInt(obj.getAttribute("measureno"))); break;
		case TYPE_ROW: onDropRowReplace(event, obj.getAttribute("code"), level); break;
		case TYPE_COLUMN: onDropColumnReplace(obj.getAttribute("code"), level); break;
		case TYPE_NEST_ROWS: onDropRowNest(event, obj.getAttribute("code"), level, obj.getAttribute("dimIdx")); break;
		case TYPE_NEST_COLS: onDropColumnNest(obj.getAttribute("code"), level , obj.getAttribute("dimIdx")); break;
		case TYPE_REORDER_ROW:
		case TYPE_REORDER_COLUMN: onDropCategoryNestBetween(event, obj); break;
		case TYPE_CHANGE_DIMBAR_FILTER: onDropMeasuresOnDimbar(event); break;
	}

	topparent.getGlobal("dndManager").cancelDrag();
	eventM.preventDefault();
}

function processNestBetweenDrop(event) {
	var eventM = new eventManager(event);
	eventM.cancelBubble();

	if (overCategoryHeader != null) {
		onDropCategoryNestBetween(eventM.theEvent, overCategoryHeader);
	}
	topparent.getGlobal("dndManager").cancelDrag();
	onDragLeaveCategoryNestBetween(eventM.theEvent);
	eventM.preventDefault();
}

function bubbletoDragAndDropSensitiveObject( obj )
{
	var target = obj;
	if (!obj)
		return null;

	if (!obj.getAttribute || !obj.getAttribute("type") || obj.getAttribute("type") == "")
		target = bubbletoDragAndDropSensitiveObject( obj.parentNode );

	return target;
}

function isValidDragAndDropObject()
{
	var retValue = true;
	var text = topparent.getGlobal("dndManager").getData();
	if (!text)
		retValue = false;
	return retValue;
}

function onDragOverCategoryNestBetween(event, obj)
{
	showXtabDragNestBetweenDiv(event, obj);	
}

function onDragLeaveCategoryNestBetween(event)
{
	hideXtabDragNestBetweenDiv();
}

function onDropCategoryNestBetween(event, obj)
{
	var dndManager = topparent.getGlobal("dndManager");
	var catInfo = new DragInfo (dndManager.getData());
	var RC = obj.getAttribute("type") == "r"? "R" : "C";

	var cmd = "";

	if (obj.getAttribute("parent_code")) {
		//We want to drill up on the summary, 
		//hide all categories but the target category and source category,
		//and then reorder the categories accordingly.
		var level = parseInt(obj.getAttribute("mylevel"));

		cmd += "DG:" + RC + level + "\t" + constructOperandId(obj.getAttribute("parent_id"),obj.getAttribute("dimIdx"),obj.getAttribute("parent_code"));
		cmd += "\t\tMS:1\t" + RC + level + "\t" + constructOperandId(catInfo['ppds_id'],obj.getAttribute("dimIdx"),catInfo['code']) + "\t" + constructOperandId(obj.getAttribute("ppdsId"),obj.getAttribute("dimIdx"),obj.getAttribute("code"));
		if (level)
			cmd += "\t\tES:" + RC + level;
		else
			cmd += "\t\tET:" + RC + "0";

	} else {
		//Show the dragged category in case it is hidden
		cmd += "MS:0\t" + constructOperandId(catInfo['ppds_id'],catInfo['dim'],catInfo['code']);
	}	
	cmd += "\t\t" + constructReorderCategoryCommand(catInfo['ppds_id'], catInfo['code'], obj);

	doit (cmd);
}

function onDropMeasuresOnDimbar(event)
{
	var dndManager = topparent.getGlobal("dndManager");
	var catInfo = new DragInfo (dndManager.getData()); 

	var cmd = "DC:" + catInfo['ppds_id'] + "," + catInfo['dim'] + "," + catInfo['code'];

	doit (cmd);
}

function onDragOverRowNestZone(event, level)
{
	var eventM = new eventManager(event);

	var id;

    id = "rowNest" + level;
	var tags = document.getElementsByName(id);
	for (var i=0; i < tags.length; i++)
	{
		if (tags[i].parentNode.className.indexOf(" nest-area") >= 0)
			return;  //no point in processing, it's already selected...
		else
		{
			tags[i].parentNode.className += " nest-area";				
		}
	}
}

function onDragOverColNestZone(event, level)
{
	var eventM = new eventManager(event);
	var id;

    id = "columnNest" + level;

	var tags = document.getElementsByName(id);
	for (var i=0; i < tags.length; i++)
	{
		if (tags[i].parentNode.className.indexOf(" nest-area") >= 0)
			return;  //no point in processing, it's already selected...
		else
		{
			tags[i].parentNode.className += " nest-area";				
		}
	}
}

function onDragLeaveRowNestZone(level)
{
	var id;
	id = "rowNest" + level;

	var tags = document.getElementsByName(id);
	for (var i=0; i < tags.length; i++)
	{
		if (tags[i].parentNode.className.indexOf(" nest-area") >= 0)
			tags[i].parentNode.className = tags[i].parentNode.className.replace(RegExp(" nest-area", "g"), "");
		else
			return;
	}
}

function onDragLeaveColNestZone(level)
{
	var id;
	id = "columnNest" + level;

	var tags = document.getElementsByName(id);
	for (var i=0; i < tags.length; i++)
	{
		if (tags[i].parentNode.className.indexOf(" nest-area") >= 0)
			tags[i].parentNode.className = tags[i].parentNode.className.replace(RegExp(" nest-area", "g"), "");
		else
			return;
	}
}


function onDropColumnReplace(code, level) {
  doColumnReplaceCommand (code, level);
}

function onDropColumnNest(code, level, dimIdx) {
  doColumnNestCommand (code, level, dimIdx);
}

function onDragOverColumn(event, level) {
  var obj = document.getElementById("lc" + level);
  deselectAllXtab(event);
  selectLevel(event, obj, true);
}

function onDragLeaveColumn(event,level) {
  var obj = document.getElementById("lc" + level);
  selectLevel(event, obj, false );
}

function onDropRowReplace(event, code, level ) {
  var eventM = new eventManager(event);
  doRowReplaceCommand (code, level);
  eventM.cancelBubble();
}

function onDropRowNest(event, code, level, dimIdx) {
  var eventM = new eventManager(event);
  doRowNestCommand (code, level, dimIdx);
  eventM.cancelBubble();

}

function onDragOverRow(event,level) {
  var obj = document.getElementById("lr" + level);
  deselectAllXtab(event);
  selectLevel(event, obj, true );
}

function onDragLeaveRow(event, level) {
  var obj = document.getElementById("lr" + level);
  selectLevel(event, obj, false );
}

function onDropMeasure(measureNo) {
  if ( !isDraggingMeasure() ) return;
  doReplaceMeasureCommand(measureNo);
}

function onDragOverXtabMeasure(event) {
  if ( isDraggingMeasure() )
  {
	var eventM = new eventManager(event);
	var obj = bubbletoDragAndDropSensitiveObject(eventM.getSrc());

	if (obj && obj.getAttribute("type") == "m")
		obj.className += " measure-drag-over";

	selectedMeasureCell = obj;
  }
}

function onDragLeaveXtabMeasure() {
  if (selectedMeasureCell)
  {
	var name = selectedMeasureCell.className;
	name = name.replace(RegExp(" measure-drag-over", "g"), "");
	selectedMeasureCell.className = name;
	selectedMeasureCell = null;
  }
}

function hideErrorDialog() {
  el = document.getElementById('testDivError');
  el.parentElement.removeChild(el);
}

function isDraggingMeasure()
{
	var dndManager = topparent.getGlobal("dndManager");
	var catInfo = new DragInfo (dndManager.getData());
	var dim = parseInt(catInfo['dim']);
	var sCmd = "gDimensionInfo[" + dim + "]";
	var dimInfo = topparent.getGlobal(sCmd);
	
	if (dimInfo.isMeasureDimension)
		return true;
	return false;
}

function getParentOfDraggedCategory() {
	//Since we are draggin from the tree, we have to get the parent from the tree.
	var dndManager = topparent.getGlobal("dndManager");
	var catInfo = new DragInfo (dndManager.getData());
	return catInfo['parentId'];
}

function getDraggedCategory() {
	var dndManager = topparent.getGlobal("dndManager");
	var catInfo = new DragInfo (dndManager.getData());
	var dim = parseInt(catInfo['dim']);
	var code = catInfo['code'];
	return dimCache.getCategory(dim,code);
}

function getIdofDraggedCategory() {
	var dndManager = topparent.getGlobal("dndManager");
	var catInfo = new DragInfo(dndManager.getData());
	return catInfo['ppds_id'];
}

function isReordering(type, event, obj) {
	if (!event || !type || !obj)
		return false;

	if (parseInt(obj.getAttribute("ppdsId")) == parseInt(getIdofDraggedCategory()))
		return false;

	if (obj.getAttribute("summary") && !topparent.getGlobal("gDimensionInfo[" + obj.getAttribute("dimIdx") + "]").isMeasureDimension)
		return false;

	if (parseInt(obj.getAttribute("parent_id")) != parseInt(getParentOfDraggedCategory()))
		return false;

	if (topparent.getGlobal("gDimensionInfo[" + obj.getAttribute("dimIdx") + "]").isTimeDimension)
		return false;

	if (type == "r") {
		if (isNestAboveCategory(event, obj) || isNestBelowCategory(event, obj))
			return true;
	} else if (type == "c") {
		if (isNestLeftOfCategory(event, obj) || isNestRightOfCategory(event, obj))
			return true;
	}
	 
	return false;
}

function DimensionInfo (isTime, isMeasure)
{
	this.isTimeDimension = isTime;
	this.isMeasureDimension = isMeasure;
}