/*******************************************************************************
 * IBM Confidential
 * 
 * OCO Source Materials
 * 
 * A and PM: PD
 * 
 * (c) Copyright IBM Corp. 2014
 * 
 * The source code for this program is not published or otherwise divested of
 * its trade secrets, irrespective of what has been deposited with the U.S.
 * Copyright Office.
 ******************************************************************************/

define([
	"dojo/_base/declare",
	"dojo/dom",
	"dojo/dom-attr",
	"dojo/_base/array",
	"dojo/_base/lang",
	"dojo/string",
	"dojox/grid/EnhancedGrid",
	"dojox/grid/enhanced/plugins/IndirectSelection"
], function(declare, dom, domAttr, array, lang, string, EnhancedGrid){

var RowSelector = declare("pd/widgets/grid/cells/RowSelector", [dojox.grid.cells.RowSelector], {
	
	formatter: function(data, rowIndex, scope){
		//overwrite dojo class
		scope.toggleRow(rowIndex, !(data == "true"));	//bundle selector with hidden attribute.
		var self = scope;
		var baseClass = self.baseClass;
		var checked = self.getValue(rowIndex);
		var disabled = !!self.disabledMap[rowIndex];
		
		if(checked){
			baseClass += self.checkedClass;
			if(disabled){ baseClass += self.checkedDisabledClass; }
		}else if(disabled){
			baseClass += self.disabledClass;
		}
		return ["<div tabindex = -1 ", "id = '" + self.grid.id + "_rowSelector_" + rowIndex + "' ",
				"name = '" + self.grid.id + "_rowSelector' class = '" + baseClass + "' ",
				"role = 'button' aria-pressed = '" + checked + "' aria-disabled = '" + disabled +
				"' aria-label = '" + string.substitute(self.grid._nls["indirectSelection" + self.inputType], [rowIndex + 1]) + "'>",
				"<span class = '" + self.statusTextClass + "'>" + (checked ? self.checkedText : self.unCheckedText) + "</span>",
				"</div>"].join("");
	},
	
	_toggleCheckedStyle: function(index, value){
		this.inherited(arguments);
		var selector = this._getSelector(index);
		if(selector){
			if (index == -1){
				selector.setAttribute("title", this._getHeaderSelectorTooltip());
			}
		}
	}
});

var SingleRowSelector = declare("pd/widgets/grid/cells/pd/widgets/grid/cells/RowSelector", 
		[dojox.grid.cells.SingleRowSelector, RowSelector], {});

var MultipleRowSelector = declare("pd/widgets/grid/cells/MultipleRowSelector", 
		[dojox.grid.cells.MultipleRowSelector, RowSelector], {
	_selectRow: function(e){
		this.inherited(arguments);
		//scroll to the selected column in preview
		if (this.grid.selection.selected[e.rowIndex]){
			this.grid.pdToggleColumn({
				index: e.rowIndex,
				hidden: false
			});
		}
	},
	_getHeaderSelectorTooltip: function () {
		// Summary:
		//		Add a tooltip to header selector according to check state.
		return this.getValue(-1) ? PDMSG.IPT.IDS_IPT_TOOLTIP_EXCLUDE_ALL : PDMSG.IPT.IDS_IPT_TOOLTIP_INCLUDE_ALL;
	},
	
	_addHeaderSelector: function(){
		this.inherited(arguments);
		var headerCellNode = this.view.getHeaderCellNode(this.index);
		var divNode = dom.byId(this.grid.id + "_rowSelector_-1");
		domAttr.set(divNode, "title", this._getHeaderSelectorTooltip());
		domAttr.set(divNode, "role", "button");
	}
});

var IndirectSelection = declare("pd/widgets/grid/IndirectSelection", [dojox.grid.enhanced.plugins.IndirectSelection], {
	addRowSelectCell: function(option){
		if(!this.grid.indirectSelection || this.grid.selectionMode == 'none'){
			return;
		}

		var rowSelectCellAdded = false;
		var inValidFields = ['get', 'formatter', 'fields'];
		var defaultCellDef = {
			type: MultipleRowSelector, 
			name: '', 
			width:'30px', 
			styles:'text-align: center;', 
			noresize: true
		};
		if(option.headerSelector){ option.name = ''; }
		if(this.grid.rowSelectCell){
			this.grid.rowSelectCell.destroy();
		}
		array.forEach(this.structure, function(view){
			var cells = view.cells;
			if(cells && cells.length > 0 && !rowSelectCellAdded){
				var firstRow = cells[0];
				if(firstRow[0] && firstRow[0].isRowSelector){
					rowSelectCellAdded = true;
					return;
				}
				var selectDef; 
				var cellType = this.grid.selectionMode == 'single' ? SingleRowSelector : MultipleRowSelector;
				selectDef = lang.mixin(defaultCellDef, option, {
					type: cellType, 
					editable: false, 
					notselectable: true, 
					filterable: false, 
					navigatable: true, 
					nosort: true
				});
				array.forEach(inValidFields, function(field){
					if(field in selectDef){ delete selectDef[field]; }
				});
				if(cells.length > 1){ selectDef.rowSpan = cells.length; }
				array.forEach(this.cells, function(cell, i){
					if(cell.index >= 0){
						cell.index += 1;
					}
				});
				var rowSelectCell = this.addCellDef(0, 0, selectDef);
				rowSelectCell.index = 0;
				firstRow.unshift(rowSelectCell);
				this.cells.unshift(rowSelectCell);
				this.grid.rowSelectCell = rowSelectCell;
				rowSelectCellAdded = true;
			}
		}, this);
		this.cellCount = this.cells.length;
	}
});

EnhancedGrid.registerPlugin(IndirectSelection/*name:'indirectSelection'*/, {"preInit": true});

return IndirectSelection;
});