/*jshint eqeqeq:false */
/*global jQuery */
(function($){
/*
**
 * jqGrid extension for cellediting Grid Data
 * Tony Tomov tony@trirand.com
 * http://trirand.com/blog/ 
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl-2.0.html
**/ 
/**
 * all events and options here are aded anonynous and not in the base grid
 * since the array is to big. Here is the order of execution.
 * From this point we use jQuery isFunction
 * formatCell
 * beforeEditCell,
 * onSelectCell (used only for noneditable cels)
 * afterEditCell,
 * beforeSaveCell, (called before validation of values if any)
 * beforeSubmitCell (if cellsubmit remote (ajax))
 * afterSubmitCell(if cellsubmit remote (ajax)),
 * afterSaveCell,
 * errorCell,
 * serializeCellData - new
 * Options
 * cellsubmit (remote,clientArray) (added in grid options)
 * cellurl
 * ajaxCellOptions
* */
"use strict";
$.jgrid.extend({
	editCell : function (iRow,iCol, ed){
		return this.each(function (){
			var $t = this, nm, tmp,cc, cm;
			if (!$t.grid || $t.p.cellEdit !== true) {return;}
			iCol = parseInt(iCol,10);
			// select the row that can be used for other methods
			$t.p.selrow = $t.rows[iRow].id;
			if (!$t.p.knv) {$($t).jqGrid("GridNav");}
			// check to see if we have already edited cell
			if ($t.p.savedRow.length>0) {
				// prevent second click on that field and enable selects
				if (ed===true ) {
					if(iRow == $t.p.iRow && iCol == $t.p.iCol){
						return;
					}
				}
				// save the cell
				$($t).jqGrid("saveCell",$t.p.savedRow[0].id,$t.p.savedRow[0].ic);
			} else {
				window.setTimeout(function () { $("#"+$.jgrid.jqID($t.p.knv)).attr("tabindex","-1").focus();},1);
			}
			cm = $t.p.colModel[iCol];
			nm = cm.name;
			if (nm==='subgrid' || nm==='cb' || nm==='rn') {return;}
			cc = $("td:eq("+iCol+")",$t.rows[iRow]);
			if (cm.editable===true && ed===true && !cc.hasClass("not-editable-cell")) {
				if(parseInt($t.p.iCol,10)>=0  && parseInt($t.p.iRow,10)>=0) {
					$("td:eq("+$t.p.iCol+")",$t.rows[$t.p.iRow]).removeClass("edit-cell ui-state-highlight");
					$($t.rows[$t.p.iRow]).removeClass("selected-row ui-state-hover");
				}
				$(cc).addClass("edit-cell ui-state-highlight");
				$($t.rows[iRow]).addClass("selected-row ui-state-hover");
				try {
					tmp =  $.unformat.call($t,cc,{rowId: $t.rows[iRow].id, colModel:cm},iCol);
				} catch (_) {
					tmp = ( cm.edittype && cm.edittype === 'textarea' ) ? $(cc).text() : $(cc).html();
				}
				if($t.p.autoencode) { tmp = $.jgrid.htmlDecode(tmp); }
				if (!cm.edittype) {cm.edittype = "text";}
				$t.p.savedRow.push({id:iRow,ic:iCol,name:nm,v:tmp});
				if(tmp === "&nbsp;" || tmp === "&#160;" || (tmp.length===1 && tmp.charCodeAt(0)===160) ) {tmp='';}
				if($.isFunction($t.p.formatCell)) {
					var tmp2 = $t.p.formatCell.call($t, $t.rows[iRow].id,nm,tmp,iRow,iCol);
					if(tmp2 !== undefined ) {tmp = tmp2;}
				}
				$($t).triggerHandler("jqGridBeforeEditCell", [$t.rows[iRow].id, nm, tmp, iRow, iCol]);
				if ($.isFunction($t.p.beforeEditCell)) {
					$t.p.beforeEditCell.call($t, $t.rows[iRow].id,nm,tmp,iRow,iCol);
				}
				var opt = $.extend({}, cm.editoptions || {} ,{id:iRow+"_"+nm,name:nm,rowId: $t.rows[iRow].id});
				var elc = $.jgrid.createEl.call($t,cm.edittype,opt,tmp,true,$.extend({},$.jgrid.ajaxOptions,$t.p.ajaxSelectOptions || {}));
				$(cc).html("").append(elc).attr("tabindex","0");
				$.jgrid.bindEv.call($t, elc, opt);
				window.setTimeout(function () { $(elc).focus();},1);
				$("input, select, textarea",cc).bind("keydown",function(e) {
					if (e.keyCode === 27) {
						if($("input.hasDatepicker",cc).length >0) {
							if( $(".ui-datepicker").is(":hidden") )  { $($t).jqGrid("restoreCell",iRow,iCol); }
							else { $("input.hasDatepicker",cc).datepicker('hide'); }
						} else {
							$($t).jqGrid("restoreCell",iRow,iCol);
						}
					} //ESC
					if (e.keyCode === 13) {
						$($t).jqGrid("saveCell",iRow,iCol);
						// Prevent default action
						return false;
					} //Enter
					if (e.keyCode === 9)  {
						if(!$t.grid.hDiv.loading ) {
							if (e.shiftKey) {$($t).jqGrid("prevCell",iRow,iCol);} //Shift TAb
							else {$($t).jqGrid("nextCell",iRow,iCol);} //Tab
						} else {
							return false;
						}
					}
					e.stopPropagation();
				});
				$($t).triggerHandler("jqGridAfterEditCell", [$t.rows[iRow].id, nm, tmp, iRow, iCol]);
				if ($.isFunction($t.p.afterEditCell)) {
					$t.p.afterEditCell.call($t, $t.rows[iRow].id,nm,tmp,iRow,iCol);
				}
			} else {
				if (parseInt($t.p.iCol,10)>=0  && parseInt($t.p.iRow,10)>=0) {
					$("td:eq("+$t.p.iCol+")",$t.rows[$t.p.iRow]).removeClass("edit-cell ui-state-highlight");
					$($t.rows[$t.p.iRow]).removeClass("selected-row ui-state-hover");
				}
				cc.addClass("edit-cell ui-state-highlight");
				$($t.rows[iRow]).addClass("selected-row ui-state-hover");
				tmp = cc.html().replace(/\&#160\;/ig,'');
				$($t).triggerHandler("jqGridSelectCell", [$t.rows[iRow].id, nm, tmp, iRow, iCol]);
				if ($.isFunction($t.p.onSelectCell)) {
					$t.p.onSelectCell.call($t, $t.rows[iRow].id,nm,tmp,iRow,iCol);
				}
			}
			$t.p.iCol = iCol; $t.p.iRow = iRow;
		});
	},
	saveCell : function (iRow, iCol){
		return this.each(function(){
			var $t= this, fr;
			if (!$t.grid || $t.p.cellEdit !== true) {return;}
			if ( $t.p.savedRow.length >= 1) {fr = 0;} else {fr=null;} 
			if(fr !== null) {
				var cc = $("td:eq("+iCol+")",$t.rows[iRow]),v,v2,
				cm = $t.p.colModel[iCol], nm = cm.name, nmjq = $.jgrid.jqID(nm) ;
				switch (cm.edittype) {
					case "select":
						if(!cm.editoptions.multiple) {
							v = $("#"+iRow+"_"+nmjq+" option:selected",$t.rows[iRow]).val();
							v2 = $("#"+iRow+"_"+nmjq+" option:selected",$t.rows[iRow]).text();
						} else {
							var sel = $("#"+iRow+"_"+nmjq,$t.rows[iRow]), selectedText = [];
							v = $(sel).val();
							if(v) { v.join(",");} else { v=""; }
							$("option:selected",sel).each(
								function(i,selected){
									selectedText[i] = $(selected).text();
								}
							);
							v2 = selectedText.join(",");
						}
						if(cm.formatter) { v2 = v; }
						break;
					case "checkbox":
						var cbv  = ["Yes","No"];
						if(cm.editoptions){
							cbv = cm.editoptions.value.split(":");
						}
						v = $("#"+iRow+"_"+nmjq,$t.rows[iRow]).is(":checked") ? cbv[0] : cbv[1];
						v2=v;
						break;
					case "password":
					case "text":
					case "textarea":
					case "button" :
						v = $("#"+iRow+"_"+nmjq,$t.rows[iRow]).val();
						v2=v;
						break;
					case 'custom' :
						try {
							if(cm.editoptions && $.isFunction(cm.editoptions.custom_value)) {
								v = cm.editoptions.custom_value.call($t, $(".customelement",cc),'get');
								if (v===undefined) { throw "e2";} else { v2=v; }
							} else { throw "e1"; }
						} catch (e) {
							if (e==="e1") { $.jgrid.info_dialog($.jgrid.errors.errcap,"function 'custom_value' "+$.jgrid.edit.msg.nodefined,$.jgrid.edit.bClose); }
							if (e==="e2") { $.jgrid.info_dialog($.jgrid.errors.errcap,"function 'custom_value' "+$.jgrid.edit.msg.novalue,$.jgrid.edit.bClose); }
							else {$.jgrid.info_dialog($.jgrid.errors.errcap,e.message,$.jgrid.edit.bClose); }
						}
						break;
				}
				// The common approach is if nothing changed do not do anything
				if (v2 !== $t.p.savedRow[fr].v){
					var vvv = $($t).triggerHandler("jqGridBeforeSaveCell", [$t.rows[iRow].id, nm, v, iRow, iCol]);
					if (vvv) {v = vvv; v2=vvv;}
					if ($.isFunction($t.p.beforeSaveCell)) {
						var vv = $t.p.beforeSaveCell.call($t, $t.rows[iRow].id,nm, v, iRow,iCol);
						if (vv) {v = vv; v2=vv;}
					}
					var cv = $.jgrid.checkValues.call($t,v,iCol);
					if(cv[0] === true) {
						var addpost = $($t).triggerHandler("jqGridBeforeSubmitCell", [$t.rows[iRow].id, nm, v, iRow, iCol]) || {};
						if ($.isFunction($t.p.beforeSubmitCell)) {
							addpost = $t.p.beforeSubmitCell.call($t, $t.rows[iRow].id,nm, v, iRow,iCol);
							if (!addpost) {addpost={};}
						}
						if( $("input.hasDatepicker",cc).length >0) { $("input.hasDatepicker",cc).datepicker('hide'); }
						if ($t.p.cellsubmit === 'remote') {
							if ($t.p.cellurl) {
								var postdata = {};
								if($t.p.autoencode) { v = $.jgrid.htmlEncode(v); }
								postdata[nm] = v;
								var idname,oper, opers;
								opers = $t.p.prmNames;
								idname = opers.id;
								oper = opers.oper;
								postdata[idname] = $.jgrid.stripPref($t.p.idPrefix, $t.rows[iRow].id);
								postdata[oper] = opers.editoper;
								postdata = $.extend(addpost,postdata);
								$("#lui_"+$.jgrid.jqID($t.p.id)).show();
								$t.grid.hDiv.loading = true;
								$.ajax( $.extend( {
									url: $t.p.cellurl,
									data :$.isFunction($t.p.serializeCellData) ? $t.p.serializeCellData.call($t, postdata) : postdata,
									type: "POST",
									complete: function (result, stat) {
										$("#lui_"+$t.p.id).hide();
										$t.grid.hDiv.loading = false;
										if (stat === 'success') {
											var ret = $($t).triggerHandler("jqGridAfterSubmitCell", [$t, result, postdata.id, nm, v, iRow, iCol]) || [true, ''];
											if (ret[0] === true && $.isFunction($t.p.afterSubmitCell)) {
												ret = $t.p.afterSubmitCell.call($t, result,postdata.id,nm,v,iRow,iCol);
											}
											if(ret[0] === true){
												$(cc).empty();
												$($t).jqGrid("setCell",$t.rows[iRow].id, iCol, v2, false, false, true);
												$(cc).addClass("dirty-cell");
												$($t.rows[iRow]).addClass("edited");
												$($t).triggerHandler("jqGridAfterSaveCell", [$t.rows[iRow].id, nm, v, iRow, iCol]);
												if ($.isFunction($t.p.afterSaveCell)) {
													$t.p.afterSaveCell.call($t, $t.rows[iRow].id,nm, v, iRow,iCol);
												}
												$t.p.savedRow.splice(0,1);
											} else {
												$.jgrid.info_dialog($.jgrid.errors.errcap,ret[1],$.jgrid.edit.bClose);
												$($t).jqGrid("restoreCell",iRow,iCol);
											}
										}
									},
									error:function(res,stat,err) {
										$("#lui_"+$.jgrid.jqID($t.p.id)).hide();
										$t.grid.hDiv.loading = false;
										$($t).triggerHandler("jqGridErrorCell", [res, stat, err]);
										if ($.isFunction($t.p.errorCell)) {
											$t.p.errorCell.call($t, res,stat,err);
											$($t).jqGrid("restoreCell",iRow,iCol);
										} else {
											$.jgrid.info_dialog($.jgrid.errors.errcap,res.status+" : "+res.statusText+"<br/>"+stat,$.jgrid.edit.bClose);
											$($t).jqGrid("restoreCell",iRow,iCol);
										}
									}
								}, $.jgrid.ajaxOptions, $t.p.ajaxCellOptions || {}));
							} else {
								try {
									$.jgrid.info_dialog($.jgrid.errors.errcap,$.jgrid.errors.nourl,$.jgrid.edit.bClose);
									$($t).jqGrid("restoreCell",iRow,iCol);
								} catch (e) {}
							}
						}
						if ($t.p.cellsubmit === 'clientArray') {
							$(cc).empty();
							$($t).jqGrid("setCell",$t.rows[iRow].id,iCol, v2, false, false, true);
							$(cc).addClass("dirty-cell");
							$($t.rows[iRow]).addClass("edited");
							$($t).triggerHandler("jqGridAfterSaveCell", [$t.rows[iRow].id, nm, v, iRow, iCol]);
							if ($.isFunction($t.p.afterSaveCell)) {
								$t.p.afterSaveCell.call($t, $t.rows[iRow].id,nm, v, iRow,iCol);
							}
							$t.p.savedRow.splice(0,1);
						}
					} else {
						try {
							window.setTimeout(function(){$.jgrid.info_dialog($.jgrid.errors.errcap,v+" "+cv[1],$.jgrid.edit.bClose);},100);
							$($t).jqGrid("restoreCell",iRow,iCol);
						} catch (e) {}
					}
				} else {
					$($t).jqGrid("restoreCell",iRow,iCol);
				}
			}
			window.setTimeout(function () { $("#"+$.jgrid.jqID($t.p.knv)).attr("tabindex","-1").focus();},0);
		});
	},
	restoreCell : function(iRow, iCol) {
		return this.each(function(){
			var $t= this, fr;
			if (!$t.grid || $t.p.cellEdit !== true ) {return;}
			if ( $t.p.savedRow.length >= 1) {fr = 0;} else {fr=null;}
			if(fr !== null) {
				var cc = $("td:eq("+iCol+")",$t.rows[iRow]);
				// datepicker fix
				if($.isFunction($.fn.datepicker)) {
					try {
						$("input.hasDatepicker",cc).datepicker('hide');
					} catch (e) {}
				}
				$(cc).empty().attr("tabindex","-1");
				$($t).jqGrid("setCell",$t.rows[iRow].id, iCol, $t.p.savedRow[fr].v, false, false, true);
				$($t).triggerHandler("jqGridAfterRestoreCell", [$t.rows[iRow].id, $t.p.savedRow[fr].v, iRow, iCol]);
				if ($.isFunction($t.p.afterRestoreCell)) {
					$t.p.afterRestoreCell.call($t, $t.rows[iRow].id, $t.p.savedRow[fr].v, iRow, iCol);
				}				
				$t.p.savedRow.splice(0,1);
			}
			window.setTimeout(function () { $("#"+$t.p.knv).attr("tabindex","-1").focus();},0);
		});
	},
	nextCell : function (iRow,iCol) {
		return this.each(function (){
			var $t = this, nCol=false, i;
			if (!$t.grid || $t.p.cellEdit !== true) {return;}
			// try to find next editable cell
			for (i=iCol+1; i<$t.p.colModel.length; i++) {
				if ( $t.p.colModel[i].editable ===true) {
					nCol = i; break;
				}
			}
			if(nCol !== false) {
				$($t).jqGrid("editCell",iRow,nCol,true);
			} else {
				if ($t.p.savedRow.length >0) {
					$($t).jqGrid("saveCell",iRow,iCol);
				}
			}
		});
	},
	prevCell : function (iRow,iCol) {
		return this.each(function (){
			var $t = this, nCol=false, i;
			if (!$t.grid || $t.p.cellEdit !== true) {return;}
			// try to find next editable cell
			for (i=iCol-1; i>=0; i--) {
				if ( $t.p.colModel[i].editable ===true) {
					nCol = i; break;
				}
			}
			if(nCol !== false) {
				$($t).jqGrid("editCell",iRow,nCol,true);
			} else {
				if ($t.p.savedRow.length >0) {
					$($t).jqGrid("saveCell",iRow,iCol);
				}
			}
		});
	},
	GridNav : function() {
		return this.each(function () {
			var  $t = this;
			if (!$t.grid || $t.p.cellEdit !== true ) {return;}
			// trick to process keydown on non input elements
			$t.p.knv = $t.p.id + "_kn";
			var selection = $("<div style='position:fixed;top:0px;width:1px;height:1px;' tabindex='0'><div tabindex='-1' style='width:1px;height:1px;' id='"+$t.p.knv+"'></div></div>"),
			i, kdir;
			function scrollGrid(iR, iC, tp){
				if (tp.substr(0,1)==='v') {
					var ch = $($t.grid.bDiv)[0].clientHeight,
					st = $($t.grid.bDiv)[0].scrollTop,
					nROT = $t.rows[iR].offsetTop+$t.rows[iR].clientHeight,
					pROT = $t.rows[iR].offsetTop;
					if(tp === 'vd') {
						if(nROT >= ch) {
							$($t.grid.bDiv)[0].scrollTop = $($t.grid.bDiv)[0].scrollTop + $t.rows[iR].clientHeight;
						}
					}
					if(tp === 'vu'){
						if (pROT < st ) {
							$($t.grid.bDiv)[0].scrollTop = $($t.grid.bDiv)[0].scrollTop - $t.rows[iR].clientHeight;
						}
					}
				}
				if(tp==='h') {
					var cw = $($t.grid.bDiv)[0].clientWidth,
					sl = $($t.grid.bDiv)[0].scrollLeft,
					nCOL = $t.rows[iR].cells[iC].offsetLeft+$t.rows[iR].cells[iC].clientWidth,
					pCOL = $t.rows[iR].cells[iC].offsetLeft;
					if(nCOL >= cw+parseInt(sl,10)) {
						$($t.grid.bDiv)[0].scrollLeft = $($t.grid.bDiv)[0].scrollLeft + $t.rows[iR].cells[iC].clientWidth;
					} else if (pCOL < sl) {
						$($t.grid.bDiv)[0].scrollLeft = $($t.grid.bDiv)[0].scrollLeft - $t.rows[iR].cells[iC].clientWidth;
					}
				}
			}
			function findNextVisible(iC,act){
				var ind, i;
				if(act === 'lft') {
					ind = iC+1;
					for (i=iC;i>=0;i--){
						if ($t.p.colModel[i].hidden !== true) {
							ind = i;
							break;
						}
					}
				}
				if(act === 'rgt') {
					ind = iC-1;
					for (i=iC; i<$t.p.colModel.length;i++){
						if ($t.p.colModel[i].hidden !== true) {
							ind = i;
							break;
						}						
					}
				}
				return ind;
			}

			$(selection).insertBefore($t.grid.cDiv);
			$("#"+$t.p.knv)
			.focus()
			.keydown(function (e){
				kdir = e.keyCode;
				if($t.p.direction === "rtl") {
					if(kdir===37) { kdir = 39;}
					else if (kdir===39) { kdir = 37; }
				}
				switch (kdir) {
					case 38:
						if ($t.p.iRow-1 >0 ) {
							scrollGrid($t.p.iRow-1,$t.p.iCol,'vu');
							$($t).jqGrid("editCell",$t.p.iRow-1,$t.p.iCol,false);
						}
					break;
					case 40 :
						if ($t.p.iRow+1 <=  $t.rows.length-1) {
							scrollGrid($t.p.iRow+1,$t.p.iCol,'vd');
							$($t).jqGrid("editCell",$t.p.iRow+1,$t.p.iCol,false);
						}
					break;
					case 37 :
						if ($t.p.iCol -1 >=  0) {
							i = findNextVisible($t.p.iCol-1,'lft');
							scrollGrid($t.p.iRow, i,'h');
							$($t).jqGrid("editCell",$t.p.iRow, i,false);
						}
					break;
					case 39 :
						if ($t.p.iCol +1 <=  $t.p.colModel.length-1) {
							i = findNextVisible($t.p.iCol+1,'rgt');
							scrollGrid($t.p.iRow,i,'h');
							$($t).jqGrid("editCell",$t.p.iRow,i,false);
						}
					break;
					case 13:
						if (parseInt($t.p.iCol,10)>=0 && parseInt($t.p.iRow,10)>=0) {
							$($t).jqGrid("editCell",$t.p.iRow,$t.p.iCol,true);
						}
					break;
					default :
						return true;
				}
				return false;
			});
		});
	},
	getChangedCells : function (mthd) {
		var ret=[];
		if (!mthd) {mthd='all';}
		this.each(function(){
			var $t= this,nm;
			if (!$t.grid || $t.p.cellEdit !== true ) {return;}
			$($t.rows).each(function(j){
				var res = {};
				if ($(this).hasClass("edited")) {
					$('td',this).each( function(i) {
						nm = $t.p.colModel[i].name;
						if ( nm !== 'cb' && nm !== 'subgrid') {
							if (mthd==='dirty') {
								if ($(this).hasClass('dirty-cell')) {
									try {
										res[nm] = $.unformat.call($t,this,{rowId:$t.rows[j].id, colModel:$t.p.colModel[i]},i);
									} catch (e){
										res[nm] = $.jgrid.htmlDecode($(this).html());
									}
								}
							} else {
								try {
									res[nm] = $.unformat.call($t,this,{rowId:$t.rows[j].id,colModel:$t.p.colModel[i]},i);
								} catch (e) {
									res[nm] = $.jgrid.htmlDecode($(this).html());
								}
							}
						}
					});
					res.id = this.id;
					ret.push(res);
				}
			});
		});
		return ret;
	}
/// end  cell editing
});
})(jQuery);
