<div>
  <h1>grid</h1>
  <hr />
  <p>
    创建一个统一样式的滚动列表元素。
  </p>
  <h2>constructor</h2>
  <code>new(container: HTMLElement): Grid</code>
  <h3>container: HTMLElement</h3>
  <p>
    父容器元素,Grid 将创建在此元素之内
  </p>
  <h2>init</h2>
  <code>init(container?: HTMLElement): void</code>
  <h3>container?: HTMLElement</h3>
  <p>
    父容器元素,默认使用构造函数中传递的值
  </p>
  <h2>scrollToIndex</h2>
  <code>scrollToIndex(index: Number): void</code>
  <h3>index: Number</h3>
  <p>
    将滚动至此行
  </p>
  <h2>resize</h2>
  <code>resize(force?: boolean): void</code>
  <h3>force?: boolean</h3>
  <p>
    重新计算大小,参数表示是否强制重载
  </p>
  <h2>reload</h2>
  <code>reload(): void</code>
  <p>
    重载表格元素
  </p>
  <h2>refresh</h2>
  <code>refresh(): void</code>
  <p>
    刷新表格单元格值
  </p>
  <h2>resetChange</h2>
  <code>resetChange(): void</code>
  <p>
    还原表格修改状态,置为未修改
  </p>
  <h2>sortColumn</h2>
  <code>sortColumn(reload?: boolean): void</code>
  <h3>reload?: boolean</h3>
  <p>
    根据当前设定的排序列排序,参数表示是否重载表格
  </p>
  <hr />
  <h2>sortIndex</h2>
  <code>sortIndex?: Number</code>
  <p>
    排序的列序号
  </p>
  <h2>sortDirection</h2>
  <code>sortDirection?: keyof GridColumnDirection</code>
  <p>
    排序的方向,可选值为 <code>-1: desc</code>、<code>1: asc</code>
  </p>
  <h2>columns</h2>
  <code>columns: Array&lt;GridColumnDefinition&gt;</code>
  <p>
    表格列的定义,结构为
  <pre>interface GridColumnDefinition {
      key?: string;
      type?: keyof GridColumnType | typeof GridColumn;
      caption?: string;
      width?: Number;
      align?: "left" | "center" | "right";
      enabled?: boolean | string;
      css?: { [key: string]: string };
      styleFilter?: (item: GridItem | any) => { [key: string]: string };
      textStyle?: { [key: string]: string };
      visible?: boolean;
      resizable?: boolean;
      sortable?: boolean;
      orderable?: boolean;
      allcheck?: boolean;
      events?: { [event: string]: any };
      attrs?: { [key: string]: string } | ((item: GridItem | any) => { [key: string]: string });
      filter?: (item: GridItem | any) => any;
      sortFilter?: (a: GridItem | any, b: GridItem | any) => -1 | 0 | 1;
      bgFilter?: (item: GridItem | any) => string;
      dropOptions?: DropdownOptions;
      source?: Array&lt;any&gt; | ((item: GridItem | any) => Array&lt;any&gt; | Promise&lt;Array&lt;GridSourceItem&gt;&gt;);
      iconType?: string;
      text?: string;
      tooltip?: string;
      onallchecked?: (this: Grid, col: GridColumnDefinition, flag: boolean) => void;
      onchanged?: (this: Grid, item: GridItem | any, value: boolean | any) => void;
  }</pre>
  </p>
  <h3>key</h3>
  <code>key?: string</code>
  <p>关键字</p>
  <h3>type</h3>
  <code>type?: keyof GridColumnType | typeof GridColumn</code>
  <p>列类型,可以为 <code>Grid.ColumnTypes</code> 枚举值表示内置的通用、输入、下拉、复选框、图标等类型
  <pre>declare var ColumnTypes: {
      Common: 0,
      Input: 1,
      Dropdown: 2,
      Checkbox: 3,
      Icon: 4,
      isCheckbox(type: Number): boolean;
  }</pre>也可以为符合 <code>GridColumn</code> 接口的类或对象表示自定义类型,接口定义如下
  <pre>interface GridColumn {
    static create(): HTMLElement;
    static createEdit(trigger: (e: any) => void, col: GridColumnDefinition, body: HTMLElement): HTMLElement;
    static setValue(element: HTMLElement, val: any): void;
    static getValue(e: any): any;
    static setStyle(element: HTMLElement, style: { [key: string]: string }): void;
    static setEnabled(element: HTMLElement, enabled?: boolean): void;
}</pre>
  </p>
  <h4>create</h4>
  <code>static create(): HTMLElement</code>
  <p>创建只读状态的单元格元素</p>
  <h4>createEdit</h4>
  <code>static createEdit(trigger: (e: any) => void, col: GridColumnDefinition, body: HTMLElement): HTMLElement</code>
  <p>创建编辑状态的单元格元素</p>
  <samp>trigger: (e: any) => void</samp>
  <p>用以触发 Grid 的列修改事件 <code>columnChanged</code> 的函数代理</p>
  <samp>col: GridColumnDefinition</samp>
  <p>当前列的定义对象</p>
  <samp>body: HTMLElement</samp>
  <p>Grid 正文表格元素</p>
  <h4>setValue</h4>
  <code>static setValue(element: HTMLElement, val: any, item: GridItem | any, col: GridColumnDefinition): void</code>
  <p>设置单元格值时触发的函数</p>
  <samp>element: HTMLElement</samp>
  <p>单元格元素</p>
  <samp>val: any</samp>
  <p>单元格的值</p>
  <samp>item: GridItem | any</samp>
  <p>单元格所在行的数据项</p>
  <samp>col: GridColumnDefinition</samp>
  <p>单元格所在列的定义对象</p>
  <hr />
  <h2>示例</h2>
  <pre></pre>
  <div id="grid-sample"></div>
  <!-- <div style="height: 80px"></div> -->
  <script type="text/javascript">
    !function () {
      const Grid = window["lib-ui"].Grid;

      const grid = new Grid(document.querySelector('#grid-sample'));

      const statusCol = {
        ...Grid.GridColumn,

        create() {
          const container = document.createElement('div');
          return container;
        },
        // createEdit() { },
        setValue(element, val) {
          element.innerHTML = val;
        },
        getValue(element) {
          return element.innerHTML;
        },
        setEnabled(element, enabled) {
          element.className = enabled === false ? 'disabled' : '';
        }
      };

      const iconCol = {
        create() {
          const a = document.createElement('a');
          a.target = '_blank';
          a.className = 'icon-col';
          return a;
        },
        setValue(element, val, _item, col) {
          if (col.tooltip) {
            element.setAttribute('title', col.tooltip);
          }
          element.innerText = val;
        },
        setEnabled(element, enabled) {
          element.style.display = enabled === false ? 'none' : '';
        },
        setStyle: Grid.GridColumn.setStyle
      };

      // grid.readonly = true;
      grid.allowHtml = true;
      grid.height = 0;
      grid.columns = [
        { key: 'c1', caption: 'column 122222222311111111111111111' },
        { key: 'c2', caption: '选择', allcheck: true, type: Grid.ColumnTypes.Checkbox, enabled: 'enabled' },
        {
          key: 'c2a',
          caption: '下拉',
          type: Grid.ColumnTypes.Dropdown,
          allowFilter: true,
          source: item => {
            if (item.source == null) {
              return new Promise((resolve, reject) => {
                setTimeout(() => {
                  item.source = [
                    { value: 'off', text: 'Off' },
                    { value: 'pending', text: 'Pending' },
                    { value: 'broken', text: 'Broken' },
                    { value: 'running', text: 'Running' }
                  ];
                  resolve(item.source);
                }, 2000);
              });
            }
            return item.source;
          },
          enabled: 'enabled',
          onchanged: (item, value) => console.log('dropdown changed', item, value)
        },
        {
          key: 'c2b',
          caption: '自定义',
          type: statusCol,
          enabled: 'enabled'
        },
        { key: 'c2c', caption: '多行编辑', type: Grid.ColumnTypes.Text, enabled: 'enabled' },
        { key: 'c3', caption: 'column 3', width: 90, align: 'right' },
        { key: 'c4', caption: 'Note', type: Grid.ColumnTypes.Input },
        {
          key: 'c5',
          type: Grid.ColumnTypes.Icon,
          enabled: 'enabled',
          text: 'times',
          tooltip: 'Delete',
          events: {
            onclick() { console.log('deleted', this) }
          }
        },
        {
          key: 'c6',
          type: iconCol,
          enabled: 'enabled',
          text: '\uf044',
          tooltip: 'Edit',
          events: {
            onclick() { alert(`Edit, ${this.c1}`) }
          }
        }
      ];
      grid.columnChanged = (type, index, value) => console.log(`column (${index}), ${type}, ${value}`);
      grid.cellClicked = (rId, cId) => console.log(`row (${rId}), column (${cId}) clicked.`);
      grid.rowDblClicked = (rId) => console.log(`row (${rId}) double clicked.`);
      grid.cellDblClicked = (rId, cId) => console.log(`row (${rId}), column (${cId}) double clicked.`);
      grid.init();
      grid.source = [
        { c1: 'abc', c2: true, c2a: 'off', c2b: '<font style="color: red; margin-left: 8px">red</font>', c2c: 'multiple lines\nline2\nline3\n\nline5', c3: 12345, c4: 'another note' },
        { c1: 'abc2bbbbaaaaa', c2: false, c2a: 'pending', c2b: '<b style="margin-left: 8px">bold</b>', c3: 1225, c4: 'Note note this is note' },
        { c1: 'type', c2: false, c2a: 'broken', c2c: 'multiple lines\nline2\nline3\n\nline5', c3: 121111 },
        { c1: 'diff', c2: true, c2a: 'running', c3: 124445555555555555 },
        { c1: 'diff', c2: true, c2a: 'running', c3: 12499, enabled: false },
        { c1: 'diff', c2: true, c2a: 'off', c3: 1244445 }
      ];

      window.grid = grid;
    }();
  </script>
  <style type="text/css">
    #grid-sample {
      height: 500px;
    }

    #grid-sample>.ui-grid {
      height: 100%;
    }
  </style>
</div>