[转]收藏的Extjs 多表头插件GroupHeaderGrid
效果图：
是不是非常酷啊！
js 代码：
Ext.namespace("Ext.tet.plugins");
Ext.tet.plugins.GroupHeaderGrid = function(config) {
Ext.apply(this, config);
};
Ext.extend(Ext.tet.plugins.GroupHeaderGrid, Ext.util.Observable, {
init: function(grid) {
var v = grid.getView();
v.beforeMethod('initTemplates', this.initTemplates);
v.renderHeaders = this.renderHeaders.createDelegate(v, [v.renderHeaders]);
v.afterMethod('onColumnWidthUpdated', this.updateGroupStyles);
v.afterMethod('onAllColumnWidthsUpdated', this.updateGroupStyles);
v.afterMethod('onColumnHiddenUpdated', this.updateGroupStyles);
v.getHeaderCell = this.getHeaderCell;
v.updateSortIcon = this.updateSortIcon;
v.getGroupStyle = this.getGroupStyle;
},
initTemplates: function() {
var ts = this.templates || {};
if (!ts.gheader) {
ts.gheader = new Ext.Template(
'<table border="0" cellspacing="0" cellpadding="0" class="ux-grid-group-table" style="{tstyle}">',
'<thead>{rows}{header}</thead>',
'</table>'
);
}
if (!ts.header) {
ts.header = new Ext.Template(
'<tr class="x-grid3-hd-row">{cells}</tr>'
);
}
if (!ts.gcell) {
ts.gcell = new Ext.Template(
'<td class="x-grid3-hd {cls} x-grid3-td-{id}" style="{style}" rowspan="{rowspan}" colspan="{colspan}">',
'<div {tooltip} class="x-grid3-hd-inner x-grid3-hd-{id}" unselectable="on" style="{istyle}">{value}</div>',
'</td>'
);
}
this.templates = ts;
},
renderHeaders: function(renderHeaders) {
var ts = this.templates, rows = [], table = [];
for (var i = 0; i < this.cm.rows.length; i++) {
var r = this.cm.rows[i], cells = [], col = 0;
for (var j = 0; j < r.length; j++) {
var c = r[j];
c.colspan = c.colspan || 1;
c.rowspan = c.rowspan || 1;
while (table[i] && table[i][col]) {
col++;
}
c.col = col;
for (var rs = i; rs < i + c.rowspan; rs++) {
if (!table[rs]) {
table[rs] = [];
}
for (var cs = col; cs < col + c.colspan; cs++) {
table[rs][cs] = true;
}
}
var gs = this.getGroupStyle(c);
cells[j] = ts.gcell.apply({
id: c.id || i + '-' + col,
cls: c.header ? 'ux-grid-hd-group-cell' : 'ux-grid-hd-nogroup-cell',
style: 'width:' + gs.width + ';' + (gs.hidden ? 'display:none;' : '') + (c.align ? 'text-align:' + c.align + ';' : ''),
rowspan: c.rowspan,
colspan: gs.colspan,
tooltip: c.tooltip ? (Ext.QuickTips.isEnabled() ? 'ext:qtip' : 'title') + '="' + c.tooltip + '"' : '',
value: c.header || ' ',
istyle: c.align == 'right' ? 'padding-right:16px' : ''
});
}
rows[i] = ts.header.apply({
cells: cells.join('')
});
}
return ts.gheader.apply({
tstyle: 'width:' + this.getTotalWidth() + ';',
rows: rows.join(''),
header: renderHeaders.call(this)
});
},
getGroupStyle: function(c) {
var w = 0, h = true, cs = 0;
for (var i = c.col; i < c.col + c.colspan; i++) {
if (!this.cm.isHidden(i)) {
var cw = this.cm.getColumnWidth(i);
if(typeof cw == 'number'){
w += cw;
}
h = false;
cs++;
}
}
return {
width: (Ext.isBorderBox ? w : Math.max(w - this.borderWidth, 0)) + 'px',
hidden: h,
colspan: cs || 1
}
},
updateGroupStyles: function(col) {
var rows = this.mainHd.query('tr.x-grid3-hd-row');
for (var i = 0; i < rows.length - 1; i++) {
var cells = rows[i].childNodes;
for (var j = 0; j < cells.length; j++) {
var c = this.cm.rows[i][j];
if ((typeof col != 'number') || (col >= c.col && col < c.col + c.colspan)) {
var gs = this.getGroupStyle(c);
cells[j].style.width = gs.width;
cells[j].style.display = gs.hidden ? 'none' : '';
cells[j].colSpan = gs.colspan;
}
}
}
},
getHeaderCell : function(index){
return this.mainHd.query('td.x-grid3-cell')[index];
},
updateSortIcon : function(col, dir){
var sc = this.sortClasses;
var hds = this.mainHd.select('td.x-grid3-cell').removeClass(sc);
hds.item(col).addClass(sc[dir == "DESC" ? 1 : 0]);
}
});
css 代码：
.x-grid3-header-offset {
width: auto;
}
.ext-ie .x-grid3 table.ux-grid-group-table, .ext-safari .x-grid3 table.ux-grid-group-table {
table-layout: auto;
}
.ux-grid-hd-group-cell {
background: url(../../../client/ext/resources/images/default/grid/grid3-hrow.gif) repeat-x bottom;
}
调用方式：（主要是 ColumnModel 的 rows 属性不同）
var cm = new Ext.grid.ColumnModel({
columns:[
new Ext.grid.CheckboxSelectionModel({handleMouseDown:Ext.emptyFn}),
{
header:"序号",
dataIndex:"ID",
sortable:true
},{
header:"借书单号",
dataIndex:"BorrowNo",
searchable:true,
attribute:{type:"string",dateFormat:""},
sortable:true
},{
header:"借书人",
tooltip:"借书人",
dataIndex:"LoginName",
searchable:true,
attribute:{type:"string",dateFormat:""},
sortable:true
},{
header:"身份证",
dataIndex:"IdentityCard",
searchable:false,
attribute:{type:"string",dateFormat:""},
sortable:true
},{
header:"图书代码",
dataIndex:"BCode",
attribute:{type:"string",dateFormat:""},
sortable:true
},{
header:"图书名称",
tooltip:"图书名称",
dataIndex:"BName",
sortable:true
},{
header:"借书时间",
dataIndex:"BorrowDate",
searchable:true,
attribute:{type:"date",dateFormat:'Y-m-d'},
renderer: Ext.util.Format.dateRenderer('Y-m-d'),
sortable:true
},{
header:"借书数量",
dataIndex:"BookNum",
searchable:true,
attribute:{type:"int"},
sortable:true
},{
header:"费用",
dataIndex:"Charge",
searchable:true,
attribute:{type:"float"},
sortable:true
}],
defaultSortable: true,
rows: [
[
{rowspan: 2},
{rowspan: 2},
{header: 'Before', colspan: 3, align: 'center'},
{header: 'After', colspan: 2, align: 'center'},
{header: 'Sum', colspan: 3, align: 'center'}
],[
{},{},{},{},{},{},{},{} /*******后8列**********/
]
]
});
var cm = new Ext.grid.ColumnModel({
columns:[
new Ext.grid.CheckboxSelectionModel({handleMouseDown:Ext.emptyFn}),
{
header:"序号",
dataIndex:"ID",
sortable:true
},{
header:"借书单号",
dataIndex:"BorrowNo",
searchable:true,
attribute:{type:"string",dateFormat:""},
sortable:true
},{
header:"借书人",
tooltip:"借书人",
dataIndex:"LoginName",
searchable:true,
attribute:{type:"string",dateFormat:""},
sortable:true
},{
header:"身份证",
dataIndex:"IdentityCard",
searchable:false,
attribute:{type:"string",dateFormat:""},
sortable:true
},{
header:"图书代码",
dataIndex:"BCode",
attribute:{type:"string",dateFormat:""},
sortable:true
},{
header:"图书名称",
tooltip:"图书名称",
dataIndex:"BName",
sortable:true
},{
header:"借书时间",
dataIndex:"BorrowDate",
searchable:true,
attribute:{type:"date",dateFormat:'Y-m-d'},
renderer: Ext.util.Format.dateRenderer('Y-m-d'),
sortable:true
},{
header:"借书数量",
dataIndex:"BookNum",
searchable:true,
attribute:{type:"int"},
sortable:true
},{
header:"费用",
dataIndex:"Charge",
searchable:true,
attribute:{type:"float"},
sortable:true
}],
defaultSortable: true,
rows: [
[
{rowspan: 1},
{rowspan: 1},
{header: 'Before', colspan: 3, align: 'center',rowspan: 2},
{header: 'After', colspan: 2, align: 'center',rowspan: 2},
{header: 'Sum', colspan: 3, align: 'center',rowspan: 2}
],[
{},{} /*******前两列********/
]
]
});
var cm = new Ext.grid.ColumnModel({
columns:[
new Ext.grid.CheckboxSelectionModel({handleMouseDown:Ext.emptyFn}),
{
header:"序号",
dataIndex:"ID",
sortable:true
},{
header:"借书单号",
dataIndex:"BorrowNo",
searchable:true,
attribute:{type:"string",dateFormat:""},
sortable:true
},{
header:"借书人",
tooltip:"借书人",
dataIndex:"LoginName",
searchable:true,
attribute:{type:"string",dateFormat:""},
sortable:true
},{
header:"身份证",
dataIndex:"IdentityCard",
searchable:false,
attribute:{type:"string",dateFormat:""},
sortable:true
},{
header:"图书代码",
dataIndex:"BCode",
attribute:{type:"string",dateFormat:""},
sortable:true
},{
header:"图书名称",
tooltip:"图书名称",
dataIndex:"BName",
sortable:true
},{
header:"借书时间",
dataIndex:"BorrowDate",
searchable:true,
attribute:{type:"date",dateFormat:'Y-m-d'},
renderer: Ext.util.Format.dateRenderer('Y-m-d'),
sortable:true
},{
header:"借书数量",
dataIndex:"BookNum",
searchable:true,
attribute:{type:"int"},
sortable:true
},{
header:"费用",
dataIndex:"Charge",
searchable:true,
attribute:{type:"float"},
sortable:true
}],
defaultSortable: true,
rows: [
[
{rowspan: 2},
{rowspan: 2},
{header: 'Before', colspan: 3, align: 'center'},
{header: 'After', colspan: 2, align: 'center',rowspan: 2},
{header: 'Sum', colspan: 3, align: 'center'}
],[
/********************Before(共3列)********************/
{},
{header: 'Before', colspan: 2, align: 'center'},
/********************Sum(共3列)********************/
{header: 'Sum', colspan: 2, align: 'center'},
{}
]
]
});
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