;(function($){
/*
**
 * jqGrid addons using jQuery UI 
 * Author: Mark Williams
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl.html
 * depends on jQuery UI sortable
**/
if ($.browser.msie && $.browser.version==8) {
	$.expr[":"].hidden = function(elem) {
		return elem.offsetWidth === 0 || elem.offsetHeight === 0 ||
			elem.style.display == "none";
	}
}

if ($.ui && $.ui.multiselect && $.ui.multiselect.prototype._setSelected) {
    var setSelected = $.ui.multiselect.prototype._setSelected;
    $.ui.multiselect.prototype._setSelected = function(item,selected) {
        var ret = setSelected.call(this,item,selected);
        if (selected && this.selectedList) {
            var elt = this.element;
		    this.selectedList.find('li').each(function() {
			    if ($(this).data('optionLink'))
				    $(this).data('optionLink').remove().appendTo(elt);
		    });
        }
        return ret;
    }
}
        
$.jgrid.extend({
	sortableColumns : function (tblrow)
	{
		return this.each(function (){
			var ts = this;
			function start() {ts.p.disableClick = true;};
			var sortable_opts = {
				"tolerance" : "pointer",
				"axis" : "x",
				"items": '>th:not(:has(#jqgh_cb,#jqgh_rn,#jqgh_subgrid),:hidden)',
				"placeholder": {
					element: function(item) {
						var el = $(document.createElement(item[0].nodeName))
						.addClass(item[0].className+" ui-sortable-placeholder ui-state-highlight")
						.removeClass("ui-sortable-helper")[0];
						return el;
					},
					update: function(self, p) {
						p.height(self.currentItem.innerHeight() - parseInt(self.currentItem.css('paddingTop')||0, 10) - parseInt(self.currentItem.css('paddingBottom')||0, 10));
						p.width(self.currentItem.innerWidth() - parseInt(self.currentItem.css('paddingLeft')||0, 10) - parseInt(self.currentItem.css('paddingRight')||0, 10));
					}
				},
				"update": function(event, ui) {
					var p = $(ui.item).parent();
					var th = $(">th", p);
					var colModel = ts.p.colModel;
					var cmMap = {};
					$.each(colModel, function(i) { cmMap[this.name]=i });
					var permutation = [];
					th.each(function(i) {
						var id = $(">div", this).get(0).id.replace(/^jqgh_/, "");
							if (id in cmMap) {
								permutation.push(cmMap[id]);
							}
					});
	
					$(ts).jqGrid("remapColumns",permutation, true, true);
					if ($.isFunction(ts.p.sortable.update)) {
						ts.p.sortable.update(permutation);
					}
					setTimeout(function(){ts.p.disableClick=false}, 50);
				}
			};
			if (ts.p.sortable.options) {
				$.extend(sortable_opts, ts.p.sortable.options);
			} else if ($.isFunction(ts.p.sortable)) {
				ts.p.sortable = { "update" : ts.p.sortable };
			}
			if (sortable_opts.start) {
				var s = sortable_opts.start;
				sortable_opts.start = function(e,ui) {
					start();
					s.call(this,e,ui);
				}
			} else {
				sortable_opts.start = start;
			}
			if (ts.p.sortable.exclude) {
				sortable_opts.items += ":not("+ts.p.sortable.exclude+")";
			}
			tblrow.sortable(sortable_opts).data("sortable").floating = true;
		});
	},
    columnChooser : function(opts) {
        var self = this;
        var selector = $('<div style="position:relative;overflow:hidden"><div><select multiple="multiple"></select></div></div>');
        var select = $('select', selector);

        opts = $.extend({
            "width" : 420,
            "height" : 240,
            "classname" : null,
            "done" : function(perm) { if (perm) self.jqGrid("remapColumns", perm, true) },
            /* msel is either the name of a ui widget class that
               extends a multiselect, or a function that supports
               creating a multiselect object (with no argument,
               or when passed an object), and destroying it (when
               passed the string "destroy"). */
            "msel" : "multiselect",
            /* "msel_opts" : {}, */

            /* dlog is either the name of a ui widget class that 
               behaves in a dialog-like way, or a function, that
               supports creating a dialog (when passed dlog_opts)
               or destroying a dialog (when passed the string
               "destroy")
               */
            "dlog" : "dialog",

            /* dlog_opts is either an option object to be passed 
               to "dlog", or (more likely) a function that creates
               the options object.
               The default produces a suitable options object for
               ui.dialog */
            "dlog_opts" : function(opts) {
                var buttons = {};
                buttons[opts.bSubmit] = function() {
                    opts.apply_perm();
                    opts.cleanup(false);
                };
                buttons[opts.bCancel] = function() {
                    opts.cleanup(true);
                };
                return {
                    "buttons": buttons,
                    "close": function() {
                        opts.cleanup(true);
                    },
					"modal" : false,
                    "resizable": false,
                    "width": opts.width+20
                };
            },
            /* Function to get the permutation array, and pass it to the
               "done" function */
            "apply_perm" : function() {
                $('option',select).each(function(i) {
                    if (this.selected) {
                        self.jqGrid("showCol", colModel[this.value].name);
                    } else {
                        self.jqGrid("hideCol", colModel[this.value].name);
                    }
                });
                
                var perm = fixedCols.slice(0);
                $('option[selected]',select).each(function() { perm.push(parseInt(this.value)) });
                $.each(perm, function() { delete colMap[colModel[this].name] });
                $.each(colMap, function() { perm.push(parseInt(this)) });
                if (opts.done) {
                    opts.done.call(self, perm);
                }
            },
            /* Function to cleanup the dialog, and select. Also calls the
               done function with no permutation (to indicate that the
               columnChooser was aborted */
            "cleanup" : function(calldone) {
                call(opts.dlog, selector, 'destroy');
                call(opts.msel, select, 'destroy');
                selector.remove();
                if (calldone && opts.done) {
                    opts.done.call(self);
                }
            }
        }, $.jgrid.col, opts || {});

        if (opts.caption) {
            selector.attr("title", opts.caption);
        }
        if (opts.classname) {
            selector.addClass(classname);
            select.addClass(classname);
        }
        if (opts.width) {
            $(">div",selector).css({"width": opts.width,"margin":"0 auto"});
            select.css("width", opts.width);
        }
        if (opts.height) {
            $(">div",selector).css("height", opts.height);
            select.css("height", opts.height - 10);
        }
        var colModel = self.jqGrid("getGridParam", "colModel");
        var colNames = self.jqGrid("getGridParam", "colNames");
        var colMap = {}, fixedCols = [];

        select.empty();
        $.each(colModel, function(i) {
            colMap[this.name] = i;
            if (this.hidedlg) {
                if (!this.hidden) {
                    fixedCols.push(i);
                }
                return;
            }

            select.append("<option value='"+i+"' "+
                          (this.hidden?"":"selected='selected'")+">"+colNames[i]+"</option>");
        });
        function call(fn, obj) {
            if (!fn) return;
            if (typeof fn == 'string') {
                if ($.fn[fn]) {
                    $.fn[fn].apply(obj, $.makeArray(arguments).slice(2));
                }
            } else if ($.isFunction(fn)) {
                fn.apply(obj, $.makeArray(arguments).slice(2));
            }
        }

        var dopts = $.isFunction(opts.dlog_opts) ? opts.dlog_opts.call(self, opts) : opts.dlog_opts;
        call(opts.dlog, selector, dopts);
        var mopts = $.isFunction(opts.msel_opts) ? opts.msel_opts.call(self, opts) : opts.msel_opts;
        call(opts.msel, select, opts.msel_opts);
    },
	sortableRows : function (opts) {
		// Can accept all sortable options and events
		return this.each(function(){
			var $t = this;
			if(!$t.grid) return;
			// Currently we disable a treeGrid sortable
			if($t.p.treeGrid) return;
			if($.fn['sortable']) {
				opts = $.extend({
					"cursor":"move",
					"axis" : "y",
					"items": ".jqgrow"
					},
				opts || {});
				if(opts.start && $.isFunction(opts.start)) {
					opts._start_ = opts.start;
					delete opts.start;
				} else {opts._start_=false;}
				if(opts.update && $.isFunction(opts.update)) {
					opts._update_ = opts.update;
					delete opts.update;
				} else {opts._update_ = false;}
				opts.start = function(ev,ui) {
					$(ui.item).css("border-width","0px");
					$("td",ui.item).each(function(i){
						this.style.width = $t.grid.cols[i].style.width;
					});
					if($t.p.subGrid) {
						var subgid = $(ui.item).attr("id");
						try {
							$($t).jqGrid('collapseSubGridRow',subgid);
						} catch (e) {}
					}
					if(opts._start_) {
						opts._start_.apply(this,[ev,ui]);
					}
				}
				opts.update = function (ev,ui) {
					$(ui.item).css("border-width","");
					$t.updateColumns();
					if(opts._update_) {
						opts._update_.apply(this,[ev,ui]);
					}
				}
				$("tbody:first",$t).sortable(opts);
			}
		});
	},
	gridDnD : function(opts) {
		return this.each(function(){
		var $t = this;
		if(!$t.grid) return;
		// Currently we disable a treeGrid drag and drop
		if($t.p.treeGrid) return;
		if(!$.fn['draggable'] || !$.fn['droppable']) return;
		function updateDnD ()
		{
			var datadnd = $.data($t,"dnd");
		    $("tr.jqgrow:not(.ui-draggable)",$t).draggable($.isFunction(datadnd.drag) ? datadnd.drag.call($($t),datadnd) : datadnd.drag);
		}
		var appender = "<table id='jqgrid_dnd' class='ui-jqgrid-dnd'></table>";
		if($("#jqgrid_dnd").html() == null) {
			$('body').append(appender);
		}

		if(typeof opts == 'string' && opts == 'updateDnD' && $t.p.jqgdnd==true) {
			updateDnD();
			return;
		}
		opts = $.extend({
			"drag" : function (opts) {
				return $.extend({
					start : function (ev, ui) {
						// if we are in subgrid mode try to collapse the node
						if($t.p.subGrid) {
							var subgid = $(ui.helper).attr("id");
							try {
								$($t).jqGrid('collapseSubGridRow',subgid);
							} catch (e) {}
						}
						// hack
						// drag and drop does not insert tr in table, when the table has no rows
						// we try to insert new empty row on the target(s)
						for (var i=0;i<opts.connectWith.length;i++){
							if($(opts.connectWith[i]).jqGrid('getGridParam','reccount') == "0" ){
								$(opts.connectWith[i]).jqGrid('addRowData','jqg_empty_row',{});
							}
						}
						ui.helper.addClass("ui-state-highlight");
						$("td",ui.helper).each(function(i) {
							this.style.width = $t.grid.headers[i].width+"px";
						});
						if(opts.onstart && $.isFunction(opts.onstart) ) opts.onstart.call($($t),ev,ui);
					},
					stop :function(ev,ui) {
						if(ui.helper.dropped) {
							var ids = $(ui.helper).attr("id");
							$($t).jqGrid('delRowData',ids );
						}
						// if we have a empty row inserted from start event try to delete it 
						for (var i=0;i<opts.connectWith.length;i++){
							$(opts.connectWith[i]).jqGrid('delRowData','jqg_empty_row');
						}
						if(opts.onstop && $.isFunction(opts.onstop) ) opts.onstop.call($($t),ev,ui);
					}
				},opts.drag_opts || {});
			},
			"drop" : function (opts) {
				return $.extend({
					accept: function(d) {
						var tid = $(d).closest("table.ui-jqgrid-btable");
						var cn = $.data(tid[0],"dnd").connectWith;
						return $.inArray('#'+this.id,cn) != -1 ? true : false;
					},
					drop: function(ev, ui) {
						var accept = $(ui.draggable).attr("id");
						var getdata = $('#'+$t.id).jqGrid('getRowData',accept);
						if(!opts.dropbyname) {
							var j =0, tmpdata = {}, dropname;
							var dropmodel = $("#"+this.id).jqGrid('getGridParam','colModel');
							try {
								for (key in getdata) {
									if(dropmodel[j]) {
										dropname = dropmodel[j].name;
										tmpdata[dropname] = getdata[key];
									}
									j++;
								}
								getdata = tmpdata;
							} catch (e) {}
 						}
						ui.helper.dropped = true;
						if(opts.beforedrop && $.isFunction(opts.beforedrop) ) {
							//parameters to this callback - event, element, data to be inserted, sender, reciever
							// should return object which will be inserted into the reciever
							var datatoinsert = opts.beforedrop.call(this,ev,ui,getdata,$('#'+$t.id),$(this));
							if (typeof datatoinsert != "undefined" && datatoinsert !== null && typeof datatoinsert == "object") getdata = datatoinsert;
						}
						if(ui.helper.dropped) {
							var grid;
							if(opts.autoid) {
								if($.isFunction(opts.autoid)) {
									grid = opts.autoid.call(this,getdata);
								} else {
									grid = Math.ceil(Math.random()*1000);
									grid = opts.autoidprefix+grid;
								}
							}
							// NULL is interpreted as undefined while null as object
							$("#"+this.id).jqGrid('addRowData',grid,getdata,opts.droppos);
						}
						if(opts.ondrop && $.isFunction(opts.ondrop) ) opts.ondrop.call(this,ev,ui, getdata);
					}}, opts.drop_opts || {});
			},
			"onstart" : null,
			"onstop" : null,
			"beforedrop": null,
			"ondrop" : null,
			"drop_opts" : {
				"activeClass": "ui-state-active",
				"hoverClass": "ui-state-hover"
			},
			"drag_opts" : {
				"revert": "invalid",
				"helper": "clone",
				"cursor": "move",
				"appendTo" : "#jqgrid_dnd",
				"zIndex": 5000
			},
			"dropbyname" : false,
			"droppos" : "first",
			"autoid" : true,
			"autoidprefix" : "dnd_"
		}, opts || {});
		
		if(!opts.connectWith) return;
		opts.connectWith = opts.connectWith.split(",");
		opts.connectWith = $.map(opts.connectWith,function(n){return $.trim(n);});
		$.data($t,"dnd",opts);
		
		if($t.p.reccount != "0" && !$t.p.jqgdnd) {
			updateDnD();
		}
		$t.p.jqgdnd = true;
		for (var i=0;i<opts.connectWith.length;i++){
			var cn =opts.connectWith[i]
			$(cn).droppable($.isFunction(opts.drop) ? opts.drop.call($($t),opts) : opts.drop);
		};
		});
	},
	gridResize : function(opts) {
		return this.each(function(){
			var $t = this;
			if(!$t.grid || !$.fn['resizable']) return;
			opts = $.extend(opts || {});
			if(opts.alsoResize ) {
				opts._alsoResize_ = opts.alsoResize;
				delete opts.alsoResize;
			} else {
				opts._alsoResize_ = false;
			}
			if(opts.stop && $.isFunction(opts.stop)) {
				opts._stop_ = opts.stop;
				delete opts.stop;
			} else {
				opts._stop_ = false;
			}
			opts.stop = function (ev, ui) {
				$($t).jqGrid('setGridParam',{height:$("#gview_"+$t.p.id+" .ui-jqgrid-bdiv").height()});
				$($t).jqGrid('setGridWidth',ui.size.width,opts.shrinkToFit);
				if(opts._stop_) opts._stop_.call($t,ev,ui);
			};
			if(opts._alsoResize_) {
				var optstest = "{'\#gview_"+$t.p.id+" .ui-jqgrid-bdiv\':true,'" +opts._alsoResize_+"':true}";
				opts.alsoResize = eval('('+optstest+')'); // the only way that I found to do this
			} else {
				opts.alsoResize = $(".ui-jqgrid-bdiv","#gview_"+$t.p.id);
			}
			delete opts._alsoResize_;
			$("#gbox_"+$t.p.id).resizable(opts);
		});
	}
});
})(jQuery);