kero/js/dataTable/getData.js

/**
 * Module : kero dataTable getData
 * Author : liuyk(liuyk@yonyou.com)
 * Date   : 2016-07-30 14:34:01
 */ 

/**
 * 获取当前页数据
 */
const getData = function () {
    var datas = [], rows = this.rows();
    for (var i = 0; i < rows.length; i++) {
        datas.push(rows[i].getData())
    }
    return datas
}

const getDataByRule = function (rule) {
    var returnData = {}, datas = null, rows;
    returnData.meta = this.meta
    returnData.params = this.params
    rule = rule || DataTable.SUBMIT.current
    if (rule == DataTable.SUBMIT.current) {
        datas = []
        var currIndex = this.focusIndex()
        if (currIndex == -1)
            currIndex = this.getSelectedIndex()
        rows = this.rows();
        for (var i = 0, count = rows.length; i < count; i++) {
            if (i == currIndex)
                datas.push(rows[i].getData())
            else
                datas.push(rows[i].getEmptyData())
        }

    }
    else if (rule == DataTable.SUBMIT.focus) {
        datas = []
        rows = this.rows();
        for (var i = 0, count = rows.length; i < count; i++) {
            if (i == this.focusIndex())
                datas.push(rows[i].getData())
            else
                datas.push(rows[i].getEmptyData())
        }
    }
    else if (rule == DataTable.SUBMIT.all) {
        datas = this.getData()
    }
    else if (rule == DataTable.SUBMIT.select) {
        datas = this.getSelectedDatas(true)
    }
    else if (rule == DataTable.SUBMIT.change) {
        datas = this.getChangedDatas()
    }
    else if (rule === DataTable.SUBMIT.empty) {
        datas = []
    }
    if (this.pageCache && datas != null) {
        datas = [{index: this.pageIndex(), select: this.getSelectedIndexs(), focus: this.focusIndex(), rows: datas}]
    }
    if (rule == DataTable.SUBMIT.allSelect) {
        datas = []
        var totalPages = this.totalPages();
        //缓存页数据
        for (var i = 0; i < totalPages; i++) {
            if (i == this.pageIndex()) {
                //当前页数据
                datas.push({
                    index: this.pageIndex(),
                    select: this.getSelectedIndexs(),
                    focus: this.focusIndex(),
                    rows: this.getSelectedDatas()
                });
            } else {
                var page = this.cachedPages[i];
                if (page) {
                    datas.push({
                        index: i,
                        select: page.selectedIndices,
                        focus: page.focus,
                        rows: page.getSelectDatas()
                    });
                }
            }
        }
    } else if (rule == DataTable.SUBMIT.allPages) {
        datas = []
        var totalPages = this.totalPages();
        //缓存页数据
        for (var i = 0; i < totalPages; i++) {
            if (i == this.pageIndex()) {
                //当前页数据
                datas.push({
                    index: this.pageIndex(),
                    select: this.getSelectedIndexs(),
                    focus: this.focusIndex(),
                    rows: this.getData()
                });
            } else {
                var page = this.cachedPages[i];
                if (page) {
                    datas.push({index: i, select: page.selectedIndices, focus: page.focus, rows: page.getData()});
                }
            }
        }
    }
    if (this.pageCache) {
        returnData.pages = datas;
    } else {
        returnData.rows = datas
        returnData.select = this.getSelectedIndexs()
        returnData.focus = this.getFocusIndex()
    }

    returnData.pageSize = this.pageSize()
    returnData.pageIndex = this.pageIndex()
    returnData.isChanged = this.isChanged()
    returnData.master = this.master
    returnData.pageCache = this.pageCache
    return returnData
}



const getRow = function (index) {
    //return this.rows()[index]   //modify by licza.   improve performance
    return this.rows.peek()[index]
};

/**
 * 根据rowid取row对象
 * @param rowid
 * @returns {*}
 */
const getRowByRowId = function (rowid) {
    var rows = this.rows.peek();
    for (var i = 0, count = rows.length; i < count; i++) {
        if (rows[i].rowId == rowid)
            return rows[i]
    }
    return null
}

/**
 * 取行索引
 * @param row
 * @returns {*}
 */
const getRowIndex = function (row){
    var rows = this.rows.peek();
    for (var i = 0, count = rows.length; i < count; i++) {
        if (rows[i].rowId === row.rowId)
            return i;
    }
    return -1;
};

const getRowsByField = function(field,value){
    var rows = this.rows.peek();
    var returnRows = new Array();
    for (var i = 0, count = rows.length; i < count; i++) {
        if (rows[i].getValue(field) === value)
            returnRows.push(rows[i]);
    }
    return returnRows;
}

const getRowByField = function(field,value){
    var rows = this.rows.peek();
    for (var i = 0, count = rows.length; i < count; i++) {
        if (rows[i].getValue(field) === value)
            return rows[i]
    }
    return null;
}

const getAllRows = function () {
    return this.rows.peek();
}

const getAllPageRows = function () {
    var datas = [], rows;
    for (var i = 0; i < this.totalPages(); i++) {
        rows = [];
        if (i == this.pageIndex()) {
            rows = this.getData();
        } else {
            var page = this.cachedPages[i];
            if (page) {
                rows = page.getData();
            }
        }
        for (var j = 0; j < rows.length; j++) {
            datas.push(rows[j]);
        }
    }
    return datas;
}


/**
 * 获取变动的数据(新增、修改)
 */
const getChangedDatas = function (withEmptyRow) {
    var datas = [], rows = this.rows();
    for (var i = 0, count = rows.length; i < count; i++) {
        if (rows[i] && rows[i].status != Row.STATUS.NORMAL) {
            datas.push(rows[i].getData())
        }
        else if (withEmptyRow == true) {
            datas.push(rows[i].getEmptyData())
        }
    }
    return datas
};

/**
 * 取改变的行
 */
const getChangedRows = function(){
    var changedRows = [], rows = this.rows.peek();
    for (var i = 0, count = rows.length; i < count; i++) {
        if (rows[i] && rows[i].status != Row.STATUS.NORMAL) {
            changedRows.push(rows[i])
        }
    }
    return changedRows
}


const getValue = function (fieldName, row) {
    row = row || this.getCurrentRow()
    if (row)
        return row.getValue(fieldName)
    else
        return ''
}


/**
 * 根据行号获取行索引
 * @param {String} rowId
 */
const getIndexByRowId = function (rowId) {
    var rows = this.rows();
    for (var i = 0, count = rows.length; i < count; i++) {
        if (rows[i].rowId == rowId)
            return i
    }
    return -1
}

/**
 * 获取所有行数据
 */
const getAllDatas = function () {
    var rows = this.getAllRows()
    var datas = []
    for (var i = 0, count = rows.length; i < count; i++)
        if (rows[i])
            datas.push(rows[i].getData())
    return datas
}


/**
 * 根据索引取rowid
 * @param {Object} indices
 */
const getRowIdsByIndices = function (indices) {
    var rowIds = []
    for (var i = 0; i < indices.length; i++) {
        rowIds.push(this.getRow(indices[i]).rowId)
    }
    return rowIds
}


export {
    getData,
    getDataByRule,
    getRow,
    getRowByRowId,
    getRowIndex,
    getRowsByField,
    getRowByField,
    getAllRows,
    getAllPageRows,
    getChangedDatas,
    getChangedRows,
    getValue,
    getIndexByRowId,
    getAllDatas,
    getRowIdsByIndices
}