/*jshint evil:true, eqeqeq:false, eqnull:true, devel:true */
/*global jQuery */
(function($){
/*
**
 * jqGrid addons using jQuery UI 
 * Author: Mark Williams
 * Dual licensed under the MIT and GPL licenses:
 * http://www.opensource.org/licenses/mit-license.php
 * http://www.gnu.org/licenses/gpl-2.0.html
 * depends on jQuery UI 
**/
"use strict";
if ($.jgrid.msie && $.jgrid.msiever()===8) {
	$.expr[":"].hidden = function(elem) {
		return elem.offsetWidth === 0 || elem.offsetHeight === 0 ||
			elem.style.display === "none";
	};
}
// requiere load multiselect before grid
$.jgrid._multiselect = false;
if($.ui) {
	if ($.ui.multiselect ) {
		if($.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')) {
							$(this).data('optionLink').remove().appendTo(elt);
						}
					});
				}
				return ret;
			};
		}
		if($.ui.multiselect.prototype.destroy) {
			$.ui.multiselect.prototype.destroy = function() {
				this.element.show();
				this.container.remove();
				if ($.Widget === undefined) {
					$.widget.prototype.destroy.apply(this, arguments);
				} else {
					$.Widget.prototype.destroy.apply(this, arguments);
				}
			};
		}
		$.jgrid._multiselect = true;
	}
}
        
$.jgrid.extend({
	sortableColumns : function (tblrow)
	{
		return this.each(function (){
			var ts = this, tid= $.jgrid.jqID( ts.p.id );
			function start() {ts.p.disableClick = true;}
			var sortable_opts = {
				"tolerance" : "pointer",
				"axis" : "x",
				"scrollSensitivity": "1",
				"items": '>th:not(:has(#jqgh_'+tid+'_cb'+',#jqgh_'+tid+'_rn'+',#jqgh_'+tid+'_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(),
					th = $(">th", p),
					colModel = ts.p.colModel,
					cmMap = {}, tid= ts.p.id+"_";
					$.each(colModel, function(i) { cmMap[this.name]=i; });
					var permutation = [];
					th.each(function() {
						var id = $(">div", this).get(0).id.replace(/^jqgh_/, "").replace(tid,"");
							if (cmMap.hasOwnProperty(id)) {
								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+")";
			}
			var $e = tblrow.sortable(sortable_opts), dataObj = $e.data("sortable") || $e.data("uiSortable");
			if (dataObj != null) {
				dataObj.data("sortable").floating = true;
			}
		});
	},
    columnChooser : function(opts) {
        var self = this;
		if($("#colchooser_"+$.jgrid.jqID(self[0].p.id)).length ) { return; }
        var selector = $('<div id="colchooser_'+self[0].p.id+'" style="position:relative;overflow:hidden"><div><select multiple="multiple"></select></div></div>');
        var select = $('select', selector);
		
		function insert(perm,i,v) {
			if(i>=0){
				var a = perm.slice();
				var b = a.splice(i,Math.max(perm.length-i,i));
				if(i>perm.length) { i = perm.length; }
				a[i] = v;
				return a.concat(b);
			}
		}
        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",
			"dialog_opts" : {
				"minWidth": 470
			},
            /* 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 $.extend(true, {
                    "buttons": buttons,
                    "close": function() {
                        opts.cleanup(true);
                    },
					"modal" : opts.modal || false,
					"resizable": opts.resizable || true,
                    "width": opts.width+20
                }, opts.dialog_opts || {});
            },
            /* Function to get the permutation array, and pass it to the
               "done" function */
            "apply_perm" : function() {
                $('option',select).each(function() {
                    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,10)); });
                $.each(perm, function() { delete colMap[colModel[parseInt(this,10)].name]; });
                $.each(colMap, function() {
					var ti = parseInt(this,10);
					perm = insert(perm,ti,ti);
				});
                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);
                }
            },
			"msel_opts" : {}
        }, $.jgrid.col, opts || {});
		if($.ui) {
			if ($.ui.multiselect ) {
				if(opts.msel === "multiselect") {
					if(!$.jgrid._multiselect) {
						// should be in language file
						alert("Multiselect plugin loaded after jqGrid. Please load the plugin before the jqGrid!");
						return;
					}
					opts.msel_opts = $.extend($.ui.multiselect.defaults,opts.msel_opts);
				}
			}
		}
        if (opts.caption) {
            selector.attr("title", opts.caption);
        }
        if (opts.classname) {
            selector.addClass(opts.classname);
            select.addClass(opts.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'")+">"+$.jgrid.stripHtml(colNames[i])+"</option>");
        });
        function call(fn, obj) {
            if (!fn) { return; }
            if (typeof fn === 'string') {
                if ($.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, mopts);
    },
	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","0");
					$("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) {
					$(ui.item).css("border-width","");
					if($t.p.rownumbers === true) {
						$("td.jqgrid-rownum",$t.rows).each(function( i ){
							$(this).html( i+1+(parseInt($t.p.page,10)-1)*parseInt($t.p.rowNum,10) );
						});
					}
					if(opts._update_) {
						opts._update_.apply(this,[ev,ui]);
					}
				};
				$("tbody:first",$t).sortable(opts);
				$("tbody:first",$t).disableSelection();
			}
		});
	},
	gridDnD : function(opts) {
		return this.each(function(){
		var $t = this, i, cn;
		if(!$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")[0] === undefined) {
			$('body').append(appender);
		}

		if(typeof opts === 'string' && opts === 'updateDnD' && $t.p.jqgdnd===true) {
			updateDnD();
			return;
		}
		opts = $.extend({
			"drag" : function (opts) {
				return $.extend({
					start : function (ev, ui) {
						var i, subgid;
						// if we are in subgrid mode try to collapse the node
						if($t.p.subGrid) {
							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 (i=0;i<$.data($t,"dnd").connectWith.length;i++){
							if($($.data($t,"dnd").connectWith[i]).jqGrid('getGridParam','reccount') === 0 ){
								$($.data($t,"dnd").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) {
						var i, ids;
						if(ui.helper.dropped && !opts.dragcopy) {
							ids = $(ui.helper).attr("id");
							if(ids === undefined) { ids = $(this).attr("id"); }
							$($t).jqGrid('delRowData',ids );
						}
						// if we have a empty row inserted from start event try to delete it
						for (i=0;i<$.data($t,"dnd").connectWith.length;i++){
							$($.data($t,"dnd").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 $.extend({
					accept: function(d) {
						if (!$(d).hasClass('jqgrow')) { return d;}
						var tid = $(d).closest("table.ui-jqgrid-btable");
						if(tid.length > 0 && $.data(tid[0],"dnd") !== undefined) {
							var cn = $.data(tid[0],"dnd").connectWith;
							return $.inArray('#'+$.jgrid.jqID(this.id),cn) !== -1 ? true : false;
						}
						return false;
					},
					drop: function(ev, ui) {
						if (!$(ui.draggable).hasClass('jqgrow')) { return; }
						var accept = $(ui.draggable).attr("id");
						var getdata = ui.draggable.parent().parent().jqGrid('getRowData',accept);
						if(!opts.dropbyname) {
							var j =0, tmpdata = {}, nm, key;
							var dropmodel = $("#"+$.jgrid.jqID(this.id)).jqGrid('getGridParam','colModel');
							try {
								for (key in getdata) {
									if (getdata.hasOwnProperty(key)) {
									nm = dropmodel[j].name;
									if( !(nm === 'cb' || nm === 'rn' || nm === 'subgrid' )) {
										if(getdata.hasOwnProperty(key) && dropmodel[j]) {
											tmpdata[nm] = getdata[key];
										}
									}
									j++;
								}
								}
								getdata = tmpdata;
							} catch (e) {}
						}
						ui.helper.dropped = true;
						if(opts.beforedrop && $.isFunction(opts.beforedrop) ) {
							//parameters to this callback - event, element, data to be inserted, sender, reciever
							// should return object which will be inserted into the reciever
							var datatoinsert = opts.beforedrop.call(this,ev,ui,getdata,$('#'+$.jgrid.jqID($t.p.id)),$(this));
							if (datatoinsert !== undefined && datatoinsert !== null && typeof datatoinsert === "object") { getdata = datatoinsert; }
						}
						if(ui.helper.dropped) {
							var grid;
							if(opts.autoid) {
								if($.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
							$("#"+$.jgrid.jqID(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
			},
			"dragcopy": false,
			"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 (i=0;i<opts.connectWith.length;i++){
			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, gID = $.jgrid.jqID($t.p.id);
			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_"+gID+" .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_"+gID+" .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_"+gID);
			}
			delete opts._alsoResize_;
			$("#gbox_"+gID).resizable(opts);
		});
	}
});
})(jQuery);
