/*
 * Ext JS Library 3.0+
 * Copyright(c) 2006-2009 Ext JS, LLC
 * licensing@extjs.com
 * http://www.extjs.com/license
 */
Ext.namespace("Ext.ux.grid");Ext.ux.grid.GridFilters=Ext.extend(Ext.util.Observable,{autoReload:true,filterCls:"ux-filtered-column",local:false,menuFilterText:lang.filter,paramPrefix:"_filter",showMenu:true,stateId:undefined,updateBuffer:500,constructor:function(a){this.deferredUpdate=new Ext.util.DelayedTask(this.reload,this);this.filters=new Ext.util.MixedCollection();this.filters.getKey=function(b){return b?b.dataIndex:null};this.addFilters(a.filters);delete a.filters;Ext.apply(this,a)},init:function(a){if(a instanceof Ext.grid.GridPanel){this.grid=a;this.bindStore(this.grid.getStore(),true);this.grid.filters=this;this.grid.addEvents({filterupdate:true});a.on({scope:this,beforestaterestore:this.applyState,beforestatesave:this.saveState,beforedestroy:this.destroy,reconfigure:this.onReconfigure});if(a.rendered){this.onRender()}else{a.on({scope:this,single:true,render:this.onRender})}}else{if(a instanceof Ext.PagingToolbar){this.toolbar=a}}},applyState:function(b,d){var a,c;this.applyingState=true;this.clearFilters();if(d.filters){for(a in d.filters){c=this.filters.get(a);if(c){c.setValue(d.filters[a]);c.setActive(true)}}}this.deferredUpdate.cancel();if(this.local){this.reload()}delete this.applyingState},saveState:function(a,c){var b={};this.filters.each(function(d){if(d.active){b[d.dataIndex]=d.getValue()}});return(c.filters=b)},onRender:function(){this.grid.getView().on("refresh",this.onRefresh,this);this.createMenu()},destroy:function(){this.removeAll();this.purgeListeners();if(this.filterMenu){Ext.menu.MenuMgr.unregister(this.filterMenu);this.filterMenu.destroy();this.filterMenu=this.menu.menu=null}},removeAll:function(){if(this.filters){Ext.destroy.apply(Ext,this.filters.items);this.filters.clear()}},bindStore:function(a,b){if(!b&&this.store){if(this.local){a.un("load",this.onLoad,this)}else{a.un("beforeload",this.onBeforeLoad,this)}}if(a){if(this.local){a.on("load",this.onLoad,this)}else{a.on("beforeload",this.onBeforeLoad,this)}}this.store=a},onReconfigure:function(){this.bindStore(this.grid.getStore());this.store.clearFilter();this.removeAll();this.addFilters(this.grid.getColumnModel());this.updateColumnHeadings()},createMenu:function(){var a=this.grid.getView(),b=a.hmenu;if(this.showMenu&&b){this.sep=b.addSeparator();this.filterMenu=new Ext.menu.Menu({id:this.grid.id+"-filters-menu"});this.menu=b.add({checked:false,itemId:"filters",text:this.menuFilterText,menu:this.filterMenu});this.menu.on({scope:this,checkchange:this.onCheckChange,beforecheckchange:this.onBeforeCheck});b.on("beforeshow",this.onMenu,this)}this.updateColumnHeadings()},getMenuFilter:function(){var a=this.grid.getView();if(!a||a.hdCtxIndex===undefined){return null}return this.filters.get(a.cm.config[a.hdCtxIndex].dataIndex)},onMenu:function(b){var a=this.getMenuFilter();if(a){this.menu.menu=a.menu;this.menu.setChecked(a.active,false);this.menu.setDisabled(a.disabled===true)}this.menu.setVisible(a!==undefined);this.sep.setVisible(a!==undefined)},onCheckChange:function(a,b){this.getMenuFilter().setActive(b)},onBeforeCheck:function(a,b){return !b||this.getMenuFilter().isActivatable()},onStateChange:function(b,a){if(b==="serialize"){return}if(a==this.getMenuFilter()){this.menu.setChecked(a.active,false)}if((this.autoReload||this.local)&&!this.applyingState){this.deferredUpdate.delay(this.updateBuffer)}this.updateColumnHeadings();if(!this.applyingState){this.grid.saveState()}this.grid.fireEvent("filterupdate",this,a)},onBeforeLoad:function(a,b){b.params=b.params||{};this.cleanParams(b.params);var c=this.buildQuery(this.getFilterData());Ext.apply(b.params,c)},onLoad:function(a,b){a.filterBy(this.getRecordFilter())},onRefresh:function(){this.updateColumnHeadings()},updateColumnHeadings:function(){var b=this.grid.getView(),e,c,a,d;if(b.mainHd){e=b.mainHd.select("td").removeClass(this.filterCls);for(c=0,a=b.cm.config.length;c<a;c++){d=this.getFilter(b.cm.config[c].dataIndex);if(d&&d.active){e.item(c).addClass(this.filterCls)}}}},reload:function(){if(this.local){this.grid.store.clearFilter(true);this.grid.store.filterBy(this.getRecordFilter())}else{var b,a=this.grid.store;this.deferredUpdate.cancel();if(this.toolbar){b=a.paramNames.start;if(a.lastOptions&&a.lastOptions.params&&a.lastOptions.params[b]){a.lastOptions.params[b]=0}}a.reload()}},getRecordFilter:function(){var c=[],a,b;this.filters.each(function(d){if(d.active){c.push(d)}});a=c.length;return function(d){for(b=0;b<a;b++){if(!c[b].validateRecord(d)){return false}}return true}},addFilter:function(a){var c=this.getFilterClass(a.type),b=a.menu?a:(new c(a));this.filters.add(b);Ext.util.Observable.capture(b,this.onStateChange,this);return b},addFilters:function(f){if(f){var c,b,e,a=false,d;if(f instanceof Ext.grid.ColumnModel){f=f.config;a=true}for(c=0,b=f.length;c<b;c++){e=false;if(a){d=f[c].dataIndex;e=f[c].filter||f[c].filterable;if(e){e=(e===true)?{}:e;Ext.apply(e,{dataIndex:d});e.type=e.type||this.store.fields.get(d).type}}else{e=f[c]}if(e){this.addFilter(e)}}}},getFilter:function(a){return this.filters.get(a)},clearFilters:function(){this.filters.each(function(a){a.setActive(false)})},getFilterData:function(){var c=[],b,a;this.filters.each(function(e){if(e.active){var g=[].concat(e.serialize());for(b=0,a=g.length;b<a;b++){c.push({field:e.dataIndex,data:g[b]})}}});return c},buildQuery:function(b){var a={},c,h,j,e,k,d,g=b.length;if(!this.encode){for(c=0;c<g;c++){h=b[c];j=[this.paramPrefix,"[",c,"]"].join("");a[j+"[field]"]=h.field;e=j+"[data]";for(k in h.data){a[[e,"[",k,"]"].join("")]=h.data[k]}}}else{d=[];for(c=0;c<g;c++){h=b[c];d.push(Ext.apply({},{field:h.field},h.data))}if(d.length>0){a[this.paramPrefix]=Ext.util.JSON.encode(d)}}return a},cleanParams:function(c){if(this.encode){delete c[this.paramPrefix]}else{var b,a;b=new RegExp("^"+this.paramPrefix+"[[0-9]+]");for(a in c){if(b.test(a)){delete c[a]}}}},getFilterClass:function(a){switch(a){case"auto":a="string";break;case"int":case"float":a="numeric";break}return Ext.ux.grid.filter[a.substr(0,1).toUpperCase()+a.substr(1)+"Filter"]}});Ext.preg("gridfilters",Ext.ux.grid.GridFilters);