var data = {
 gridColumns: ['name', 'power'],
 gridData: [
 { name: 'Chuck Norris', power: Infinity },
 { name: 'Bruce Lee', power: 9000 },
 { name: 'Jackie Chan', power: 7000 },
 { name: 'Jet Li', power: 8000 }
 ]
};

DataGrid: {
 xml: `<table id='table'>
  <Thead id='thead'/>
  <Tbody id='tbody'/>
  </table>`,
 fun: function (sys, items, opts) {
 function setValue(data) {
  items.thead.val(data.gridColumns);
  items.tbody.val(data.gridColumns, data.gridData);
 }
 function filter(filterKey) {
  // 过滤函数
 }
 return { val: setValue, filter: filter };
 }
}

Thead: {
 xml: `<thead id='thead'>
  <tr id='tr'/>
  </thead>`,
 fun: function (sys, items, opts) {
 function setValue(value) {
  sys.tr.children().call("remove");
  data.forEach(item => sys.tr.append("Th").value().val(item));
 }
 return { val: setValue };
 }
}

Th: {
 css: "#active { color: #fff; } #active #arrow { opacity: 1; } #active #key { color: #fff; }\
  #arrow { display: inline-block; vertical-align: middle; width: 0; height: 0; margin-left: 5px; opacity: 0.66; }\
  #asc { border-left: 4px solid transparent; border-right: 4px solid transparent; border-bottom: 4px solid #fff;}\
  #dsc { border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 4px solid #fff; }",
 xml: "<th id='th'>\
  <span id='key'/><span id='arrow'/>\
  </th>",
 fun: function (sys, items, opts) {
 var order = "#asc";
 this.watch("sort", function (e, key, order) {
  sys.key.text().toLowerCase() == key || sys.th.removeClass("#active");
 });
 this.on("click", function (e) {
  sys.th.addClass("#active");
  sys.arrow.removeClass(order);
  order = order == "#asc" ? "#dsc" : "#asc";
  sys.arrow.addClass(order).notify("sort", [sys.key.text().toLowerCase(), order]);
 });
 sys.arrow.addClass("#asc");
 return { val: sys.key.text };
 }
}

Tbody: {
 xml: `<tbody id='tbody'/>`,
 fun: function (sys, items, opts) {
 function setValue(gridColumns, gridData) {
  sys.tbody.children().call("remove");
  gridData.forEach(data => 
  tr = sys.tbody.append("tr");
  gridColumns.forEach(key => tr.append("td").text(data[key]));
  ));
 }
 return { val: setValue };
 }
}

Sort: {
 fun: function (sys, items, opts) {
 var sortKey, sortOrder;
 this.watch("sort", function (e, key, order) {
  sortKey = key, sortOrder = order;
  this.trigger("update");
 });
 return function (data) {
  return sortKey ? data.slice().sort(function (a, b) {
  a = a[sortKey], b = b[sortKey];
  return (a === b ? 0 : a > b ? 1 : -1) * (sortOrder == "#asc" ? 1 : -1);
  }) : data;
 };
 }
}

DataGrid: {
 xml: `<table id='table'>
  <Thead id='thead'/>
  <Tbody id='tbody'/>
  <Sort id='sort'/>
  </table>`,
 fun: function (sys, items, opts) {
 var data = {gridColumns: [], gridData: []};
 function setValue(value) {
  data = value;
  items.thead.val(data.gridColumns);
  items.tbody.val(data.gridColumns, data.gridData);
 }
 function filter(filterKey) {
  // 过滤函数
 }
 this.on("update", function() {
  items.tbody.val(items.sort(data.gridData));
 });
 return { val: setValue, filter: filter };
 }
}

Filter: {
 fun: function (sys, items, opts) {
 var filterKey = "";
 this.watch("filter", function (e, key) {
  filterKey = key.toLowerCase();
  this.trigger("update");
 });
 return function (data) {
  return data.filter(function (row) {
  return Object.keys(row).some(function (key) {
   return String(row[key]).toLowerCase().indexOf(filterKey) > -1;
  });
  });
 };
 }
}

DataGrid: {
 css: `#table { border: 2px solid #42b983; border-radius: 3px; background-color: #fff; }
  #table th { background-color: #42b983; color: rgba(255,255,255,0.66); cursor: pointer; -webkit-user-select: none; -moz-user-select: none; -ms-user-select: none; user-select: none; }
  #table td { background-color: #f9f9f9; }
  #table th, #table td { min-width: 120px; padding: 10px 20px; }`,
 xml: `<table id='table'>
  <Thead id='thead'/>
  <Tbody id='tbody'/>
  <Sort id='sort'/>
  <Filter id='filter'/>
  </table>`,
 map: { msgscope: true },
 fun: function (sys, items, opts) {
 var data = {gridColumns: [], gridData: []};
 function setValue(value) {
  data = value;
  items.thead.val(data.gridColumns);
  items.tbody.val(data.gridColumns, data.gridData);
 }
 function filter(filterKey) {
  sys.table.notify("filter", filterKey);
 }
 this.on("update", function() {
  items.tbody.val(items.filter(items.sort(data.gridData)));
 });
 return { val: setValue, filter: filter };
 }
}

Index: {
 css: "#index { font-family: Helvetica Neue, Arial, sans-serif; font-size: 14px; color: #444; }\
  #search { margin: 8px 0; }",
 xml: "<div id='index'>\
  Search <input id='search'/>\
  <Table id='table'/>\
  </div>",
 fun: function (sys, items, opts) {
 items.table.val(data);
 sys.search.on("input", e => items.table.filter(sys.search.prop("value")));
 }
}