【发布时间】：2011-04-12 02:26:21
【问题描述】：
我已经详细介绍了本网站上提出的所有与填充 jqGrid 摘要页脚相关的问题，而用户数据不是服务器请求。而 jqGrid wiki 资源，只是找不到答案。这可以吗？
我以许多典型的方式使用 jqGrid 作为我的管理门户的一部分，但有一个特殊用途，我希望 jqGrid 的外观和感觉开始是一个空的 UI 容器，用于某些用户交互通过添加行不会在 Submit 上发布的表单（感谢 Oleg 下面的精彩脚本），而是简单地添加行并使用新添加行中的值更新摘要页脚。我在 colModel，“grouping：true”，footerrow：true，userDataOnFooter：true，altRows：true，在网格选项中有“summarytype：“sum”，但除了本地数据字符串中的 userdata 提供的初始值，摘要页脚值永远不会改变。似乎没有人愿意触及这个话题。是因为 jqGrid 的主要性质是它的数据库驱动功能吗？我在数据库驱动的立场中使用了大约 15 个 jqGrid 实例（其中许多现在在生产服务中）但为了一致性起见需要使用它（我的所有 UI 都在 jqTabs 内）最初作为客户端 UI 没有服务器请求（所有内容都将在稍后保存到 db）但我正在努力尝试以编程方式仅由客户端操作摘要页脚。任何人都可以建议如何在添加新行时更新摘要页脚的值，其值将与任何现有行相加并且不涉及任何发布到服务器，只是在网格内更新？
提供的代码有点长，主要基于用户 Oleg 的解决方案，用于从模式表单中添加一行而不发布到服务器。我已将本地数组数据更改为 JSON 字符串，只是为了更好地理解我习惯于 xml 的符号。 jsonstring 用一个默认行初始化网格，供用户编辑。我省略了 jsonReader，因为网格不会用它渲染。
简而言之，我想做的是在将新行添加到网格（此时没有发布到服务器）或编辑或删除时更新摘要页脚。当达到某一组值时，显示的按钮会提示用户将行数据保存到 db。
var lastSel, mydata = { "total": 1, "page": 1, "records": 1, "rows": [{ "id": acmid, "cell": ["0.00", "0.00", "0.00", "0.00"]}], "userdata":{ "mf": 0.00, "af":0.00,"pf":0.00,"cf":0.00 }}
grid = $("#ta_form_d"),
onclickSubmitLocal = function (options, postdata) {
var grid_p = grid[0].p,
idname = grid_p.prmNames.id,
grid_id = grid[0].id,
id_in_postdata = grid_id + "_id",
rowid = postdata[id_in_postdata],
addMode = rowid === "_empty",
oldValueOfSortColumn;
// postdata has row id property with another name. we fix it:
if (addMode) {
// generate new id
var new_id = grid_p.records + 1;
while ($("#" + new_id).length !== 0) {
new_id++;
}
postdata[idname] = String(new_id);
//alert(postdata[idname]);
} else if (typeof (postdata[idname]) === "undefined") {
// set id property only if the property not exist
postdata[idname] = rowid;
}
delete postdata[id_in_postdata];
// prepare postdata for tree grid
if (grid_p.treeGrid === true) {
if (addMode) {
var tr_par_id = grid_p.treeGridModel === 'adjacency' ? grid_p.treeReader.parent_id_field : 'parent_id';
postdata[tr_par_id] = grid_p.selrow;
}
$.each(grid_p.treeReader, function (i) {
if (postdata.hasOwnProperty(this)) {
delete postdata[this];
}
});
}
// decode data if there encoded with autoencode
if (grid_p.autoencode) {
$.each(postdata, function (n, v) {
postdata[n] = $.jgrid.htmlDecode(v); // TODO: some columns could be skipped
});
}
// save old value from the sorted column
oldValueOfSortColumn = grid_p.sortname === "" ? undefined : grid.jqGrid('getCell', rowid, grid_p.sortname);
//alert(oldValueOfSortColumn);
// save the data in the grid
if (grid_p.treeGrid === true) {
if (addMode) {
grid.jqGrid("addChildNode", rowid, grid_p.selrow, postdata);
} else {
grid.jqGrid("setTreeRow", rowid, postdata);
}
} else {
if (addMode) {
grid.jqGrid("addRowData", rowid, postdata, options.addedrow);
} else {
grid.jqGrid("setRowData", rowid, postdata);
}
}
if ((addMode && options.closeAfterAdd) || (!addMode && options.closeAfterEdit)) {
// close the edit/add dialog
$.jgrid.hideModal("#editmod" + grid_id,
{ gb: "#gbox_" + grid_id, jqm: options.jqModal, onClose: options.onClose });
}
if (postdata[grid_p.sortname] !== oldValueOfSortColumn) {
// if the data are changed in the column by which are currently sorted
// we need resort the grid
setTimeout(function () {
grid.trigger("reloadGrid", [{ current: true}]);
}, 100);
}
// !!! the most important step: skip ajax request to the server
this.processing = true;
return {};
},
editSettings = {
//recreateForm:true,
jqModal: false,
reloadAfterSubmit: false,
closeOnEscape: true,
savekey: [true, 13],
closeAfterEdit: true,
onclickSubmit: onclickSubmitLocal
},
addSettings = {
//recreateForm:true,
jqModal: false,
reloadAfterSubmit: false,
savekey: [true, 13],
closeOnEscape: true,
closeAfterAdd: true,
onclickSubmit: onclickSubmitLocal
},
delSettings = {
// because I use "local" data I don't want to send the changes to the server
// so I use "processing:true" setting and delete the row manually in onclickSubmit
onclickSubmit: function (options, rowid) {
var grid_id = grid[0].id,
grid_p = grid[0].p,
newPage = grid[0].p.page;
// delete the row
grid.delRowData(rowid);
$.jgrid.hideModal("#delmod" + grid_id,
{ gb: "#gbox_" + grid_id, jqm: options.jqModal, onClose: options.onClose });
if (grid_p.lastpage > 1) {// on the multipage grid reload the grid
if (grid_p.reccount === 0 && newPage === grid_p.lastpage) {
// if after deliting there are no rows on the current page
// which is the last page of the grid
newPage--; // go to the previous page
}
// reload grid to make the row from the next page visable.
grid.trigger("reloadGrid", [{ page: newPage}]);
}
return true;
},
processing: true
}; //,
/*initDateEdit = function (elem) {
setTimeout(function () {
$(elem).datepicker({
dateFormat: 'dd-M-yy',
autoSize: true,
showOn: 'button', // it dosn't work in searching dialog
changeYear: true,
changeMonth: true,
showButtonPanel: true,
showWeek: true
});
//$(elem).focus();
}, 100);
},
initDateSearch = function (elem) {
setTimeout(function () {
$(elem).datepicker({
dateFormat: 'dd-M-yy',
autoSize: true,
//showOn: 'button', // it dosn't work in searching dialog
changeYear: true,
changeMonth: true,
showButtonPanel: true,
showWeek: true
});
//$(elem).focus();
}, 100);
};*/
//jQuery("#ta_form_d").jqGrid({
grid.jqGrid({
// url:'/admin/tg_cma/ta_allocations.asp?acmid=' + acmid + '&mid=' + merchantid + '&approval_code=' + approval_code,
//datatype: "local",
//data: mydata,
datatype: 'jsonstring',
datastr: mydata,
colNames: ['ID', 'Monthly Fees', 'ATM Fees', 'POS Fees', 'Card to Card Fees'],
colModel: [
{ name: 'id', index: 'id', width: 90, align: "center", editable: true, editoptions: { size: 25 }, formoptions: { rowpos: 1, colpos: 1, label: "EzyAccount ID", elmprefix: "(*) " }, editrules: { required: true} },
{ name: 'mf', index: 'mf', width: 130, align: "right", formatter: 'number', editable: true, summaryType: 'sum', editoptions: { size: 25 }, formoptions: { rowpos: 2, colpos: 1, label: "Monthly Fee", elmprefix: "(*) " }, editrules: { required: true} },
{ name: 'af', index: 'af', width: 130, align: "right", formatter: 'number', editable: true, summaryType: 'sum', editoptions: { size: 25 }, formoptions: { rowpos: 3, colpos: 1, label: "ATM Fee", elmprefix: "(*) " }, editrules: { required: true} },
{ name: 'pf', index: 'pf', width: 130, align: "right", formatter: 'number', editable: true, summaryType: 'sum', editoptions: { size: 25 }, formoptions: { rowpos: 4, colpos: 1, label: "POS Fee", elmprefix: "(*) " }, editrules: { required: true} },
{ name: 'cf', index: 'cf', width: 130, align: "right", formatter: 'number', editable: true, summaryType: 'sum', editoptions: { size: 25 }, formoptions: { rowpos: 5, colpos: 1, label: "Card to Card Fee", elmprefix: "(*) " }, editrules: { required: true} }
],
rowNum: 5,
rowList: [5, 10, 20],
pager: '#pta_form_d',
toolbar: [true, "top"],
width: 500,
height: 100,
editurl: 'clientArray',
sortname: 'id',
viewrecords: true,
sortorder: "asc",
multiselect: false,
cellEdit: false,
caption: "Allocations",
grouping: true,
/*groupingView: {
groupField: ['id', 'mf', 'af', 'pf', 'cf'],
groupColumnShow: [true],
groupText: ['<b>{0}</b>'],
groupCollapse: false,
groupOrder: ['asc'],
groupSummary: [true],
groupDataSorted: true
},*/
footerrow: true,
userDataOnFooter: true,
altRows: true,
ondblClickRow: function (rowid, ri, ci) {
var p = grid[0].p;
if (p.selrow !== rowid) {
// prevent the row from be unselected on double-click
// the implementation is for "multiselect:false" which we use,
// but one can easy modify the code for "multiselect:true"
grid.jqGrid('setSelection', rowid);
}
grid.jqGrid('editGridRow', rowid, editSettings);
},
onSelectRow: function (id) {
if (id && id !== lastSel) {
// cancel editing of the previous selected row if it was in editing state.
// jqGrid hold intern savedRow array inside of jqGrid object,
// so it is safe to call restoreRow method with any id parameter
// if jqGrid not in editing state
if (typeof lastSel !== "undefined") {
grid.jqGrid('restoreRow', lastSel);
}
lastSel = id;
}
},
afterEditCell: function (rowid, cellname, value, iRow, iCol) {
alert(iCol);
},
gridComplete: function () {
},
loadComplete: function (data) {
}
})
.jqGrid('navGrid', '#pta_form_d', {}, editSettings, addSettings, delSettings,
{ multipleSearch: true, overlay: false,
onClose: function (form) {
// if we close the search dialog during the datapicker are opened
// the datepicker will stay opened. To fix this we have to hide
// the div used by datepicker
//$("div#ui-datepicker-div.ui-datepicker").hide();
}
});
$("#t_ta_form_d").append("<input type='button' class='add' value='Add New Allocation' style='height:20px; color:green; font-size:11px;' />");
$("input.add", "#t_ta_form_d").click(function () {
jQuery("#ta_form_d").jqGrid('editGridRow', "new", {
//recreateForm:true,
jqModal: false,
reloadAfterSubmit: false,
savekey: [true, 13],
closeOnEscape: true,
closeAfterAdd: true,
onclickSubmit: onclickSubmitLocal
})
})
【问题讨论】：
-
参考 Stackoverflow 用户 @Oleg (stackoverflow.com/questions/3128837/…) 关于
userdata的回答，声明：定义了标准 JSON 读取器，它从根读取数据 userdata 属性发送的数据并保存。此数据可通过以下方式访问：var myUserData = jQuery("grid_id").getGridParam('userData');问题然后可以在 jsonReader 初始读取后修改和检索userdata（在此示例中使用 json），如果可以，如何本地修改userdata显示在摘要页脚中？
标签： jqgrid footer summary user-data