kero/src/rowFocus.js

/**
 * Module : kero dataTable rowFocus
 * Author : liuyk(liuyk@yonyou.com)
 * Date   : 2016-08-08 09:59:01
 */
import {isNumber} from 'tinper-sparrow/src/util';

/**
 * 设置焦点行
 * @param {Object} index 行对象或者行index
 * @param quiet 不触发事件
 * @param force 当index行与已focus的行相等时，仍然触发事件
 */
const setRowFocus = function (index, quiet, force) {
    var rowId = null
    if (index instanceof Row) {
        index = this.getIndexByRowId(index.rowId)
        rowId = index.rowId
    }
    if (index === -1 || (index === this.focusIndex() && !force)) {
        return;
    }
    this.focusIndex(index)
    if (quiet) {
        return;
    }
    this.currentRowChange(-this.currentRowChange())
    if (!rowId) {
        rowId = this.getRow(index).rowId
    }
    this.trigger(DataTable.ON_ROW_FOCUS, {
        index: index,
        rowId: rowId
    })
    this.updateCurrIndex();
}


/**
 * 焦点行反选
 */
const setRowUnFocus = function () {
    this.currentRowChange(-this.currentRowChange())
    var indx = this.focusIndex(), rowId = null;
    if (indx !== -1) {
        rowId = this.getRow(indx).rowId
    }
    this.trigger(DataTable.ON_ROW_UNFOCUS, {
        index: indx,
        rowId: rowId
    })
    this.focusIndex(-1)
    this.updateCurrIndex();
}


const updateFocusIndex = function (opIndex, opType, num) {
    if (!isNumber(num)) {
        num = 1
    }
    if (opIndex <= this.focusIndex() && this.focusIndex() != -1) {
        if (opType === '+') {
            this.focusIndex(this.focusIndex() + num)
        } else if (opType === '-') {
            if (this.focusIndex() >= opIndex && this.focusIndex() <= opIndex + num - 1) {
                this.focusIndex(this.focusIndex() - 1)
            } else if (this.focusIndex() > opIndex + num - 1) {
                this.focusIndex(this.focusIndex() - num)
            }
        }
    }
}

export {
    setRowFocus,
    setRowUnFocus,
    updateFocusIndex
}