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387 lines
12 KiB
387 lines
12 KiB
$.extend($.fn.datagrid.defaults, {
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groupHeight: 28,
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expanderWidth: 30,
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groupStyler: function(value,rows){return ''}
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});
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var groupview = $.extend({}, $.fn.datagrid.defaults.view, {
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render: function(target, container, frozen){
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var table = [];
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var groups = this.groups;
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for(var i=0; i<groups.length; i++){
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table.push(this.renderGroup.call(this, target, i, groups[i], frozen));
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}
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$(container).html(table.join(''));
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},
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renderGroup: function(target, groupIndex, group, frozen){
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var state = $.data(target, 'datagrid');
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var opts = state.options;
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var fields = $(target).datagrid('getColumnFields', frozen);
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var hasFrozen = opts.frozenColumns && opts.frozenColumns.length;
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if (frozen){
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if (!(opts.rownumbers || hasFrozen)){
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return '';
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}
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}
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var table = [];
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var css = opts.groupStyler.call(target, group.value, group.rows);
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var cs = parseCss(css, 'datagrid-group');
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table.push('<div group-index=' + groupIndex + ' ' + cs + '>');
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if ((frozen && (opts.rownumbers || opts.frozenColumns.length)) ||
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(!frozen && !(opts.rownumbers || opts.frozenColumns.length))){
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table.push('<span class="datagrid-group-expander">');
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table.push('<span class="datagrid-row-expander datagrid-row-collapse"> </span>');
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table.push('</span>');
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}
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if ((frozen && hasFrozen) || (!frozen)){
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table.push('<span class="datagrid-group-title">');
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table.push(opts.groupFormatter.call(target, group.value, group.rows));
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table.push('</span>');
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}
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table.push('</div>');
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table.push('<table class="datagrid-btable" cellspacing="0" cellpadding="0" border="0"><tbody>');
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var index = group.startIndex;
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for(var j=0; j<group.rows.length; j++) {
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var css = opts.rowStyler ? opts.rowStyler.call(target, index, group.rows[j]) : '';
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var classValue = '';
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var styleValue = '';
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if (typeof css == 'string'){
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styleValue = css;
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} else if (css){
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classValue = css['class'] || '';
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styleValue = css['style'] || '';
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}
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var cls = 'class="datagrid-row ' + (index % 2 && opts.striped ? 'datagrid-row-alt ' : ' ') + classValue + '"';
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var style = styleValue ? 'style="' + styleValue + '"' : '';
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var rowId = state.rowIdPrefix + '-' + (frozen?1:2) + '-' + index;
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table.push('<tr id="' + rowId + '" datagrid-row-index="' + index + '" ' + cls + ' ' + style + '>');
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table.push(this.renderRow.call(this, target, fields, frozen, index, group.rows[j]));
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table.push('</tr>');
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index++;
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}
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table.push('</tbody></table>');
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return table.join('');
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function parseCss(css, cls){
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var classValue = '';
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var styleValue = '';
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if (typeof css == 'string'){
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styleValue = css;
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} else if (css){
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classValue = css['class'] || '';
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styleValue = css['style'] || '';
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}
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return 'class="' + cls + (classValue ? ' '+classValue : '') + '" ' +
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'style="' + styleValue + '"';
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}
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},
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bindEvents: function(target){
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var state = $.data(target, 'datagrid');
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var dc = state.dc;
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var body = dc.body1.add(dc.body2);
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var clickHandler = ($.data(body[0],'events')||$._data(body[0],'events')).click[0].handler;
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body.unbind('click').bind('click', function(e){
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var tt = $(e.target);
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var expander = tt.closest('span.datagrid-row-expander');
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if (expander.length){
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var gindex = expander.closest('div.datagrid-group').attr('group-index');
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if (expander.hasClass('datagrid-row-collapse')){
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$(target).datagrid('collapseGroup', gindex);
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} else {
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$(target).datagrid('expandGroup', gindex);
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}
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} else {
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clickHandler(e);
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}
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e.stopPropagation();
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});
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},
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onBeforeRender: function(target, rows){
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var state = $.data(target, 'datagrid');
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var opts = state.options;
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initCss();
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var groups = [];
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for(var i=0; i<rows.length; i++){
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var row = rows[i];
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var group = getGroup(row[opts.groupField]);
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if (!group){
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group = {
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value: row[opts.groupField],
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rows: [row]
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};
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groups.push(group);
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} else {
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group.rows.push(row);
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}
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}
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var index = 0;
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var newRows = [];
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for(var i=0; i<groups.length; i++){
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var group = groups[i];
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group.startIndex = index;
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index += group.rows.length;
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newRows = newRows.concat(group.rows);
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}
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state.data.rows = newRows;
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this.groups = groups;
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var that = this;
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setTimeout(function(){
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that.bindEvents(target);
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},0);
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function getGroup(value){
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for(var i=0; i<groups.length; i++){
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var group = groups[i];
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if (group.value == value){
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return group;
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}
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}
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return null;
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}
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function initCss(){
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if (!$('#datagrid-group-style').length){
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$('head').append(
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'<style id="datagrid-group-style">' +
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'.datagrid-group{height:'+opts.groupHeight+'px;overflow:hidden;font-weight:bold;border-bottom:1px solid #ccc;white-space:nowrap;word-break:normal;}' +
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'.datagrid-group-title,.datagrid-group-expander{display:inline-block;vertical-align:bottom;height:100%;line-height:'+opts.groupHeight+'px;padding:0 4px;}' +
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'.datagrid-group-title{position:relative;}' +
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'.datagrid-group-expander{width:'+opts.expanderWidth+'px;text-align:center;padding:0}' +
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'.datagrid-row-expander{margin:'+Math.floor((opts.groupHeight-16)/2)+'px 0;display:inline-block;width:16px;height:16px;cursor:pointer}' +
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'</style>'
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);
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}
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}
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},
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onAfterRender: function(target){
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$.fn.datagrid.defaults.view.onAfterRender.call(this, target);
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var view = this;
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var state = $.data(target, 'datagrid');
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var opts = state.options;
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if (!state.onResizeColumn){
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state.onResizeColumn = opts.onResizeColumn;
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}
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if (!state.onResize){
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state.onResize = opts.onResize;
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}
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opts.onResizeColumn = function(field, width){
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view.resizeGroup(target);
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state.onResizeColumn.call(target, field, width);
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}
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opts.onResize = function(width, height){
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view.resizeGroup(target);
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state.onResize.call($(target).datagrid('getPanel')[0], width, height);
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}
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view.resizeGroup(target);
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}
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});
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$.extend($.fn.datagrid.methods, {
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groups:function(jq){
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return jq.datagrid('options').view.groups;
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},
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expandGroup:function(jq, groupIndex){
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return jq.each(function(){
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var opts = $(this).datagrid('options');
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var view = $.data(this, 'datagrid').dc.view;
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var group = view.find(groupIndex!=undefined ? 'div.datagrid-group[group-index="'+groupIndex+'"]' : 'div.datagrid-group');
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var expander = group.find('span.datagrid-row-expander');
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if (expander.hasClass('datagrid-row-expand')){
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expander.removeClass('datagrid-row-expand').addClass('datagrid-row-collapse');
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group.next('table').show();
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}
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$(this).datagrid('fixRowHeight');
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if (opts.onExpandGroup){
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opts.onExpandGroup.call(this, groupIndex);
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}
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});
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},
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collapseGroup:function(jq, groupIndex){
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return jq.each(function(){
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var opts = $(this).datagrid('options');
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var view = $.data(this, 'datagrid').dc.view;
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var group = view.find(groupIndex!=undefined ? 'div.datagrid-group[group-index="'+groupIndex+'"]' : 'div.datagrid-group');
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var expander = group.find('span.datagrid-row-expander');
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if (expander.hasClass('datagrid-row-collapse')){
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expander.removeClass('datagrid-row-collapse').addClass('datagrid-row-expand');
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group.next('table').hide();
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}
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$(this).datagrid('fixRowHeight');
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if (opts.onCollapseGroup){
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opts.onCollapseGroup.call(this, groupIndex);
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}
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});
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},
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scrollToGroup: function(jq, groupIndex){
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return jq.each(function(){
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var state = $.data(this, 'datagrid');
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var dc = state.dc;
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var grow = dc.body2.children('div.datagrid-group[group-index="'+groupIndex+'"]');
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if (grow.length){
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var groupHeight = grow.outerHeight();
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var headerHeight = dc.view2.children('div.datagrid-header')._outerHeight();
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var frozenHeight = dc.body2.outerHeight(true) - dc.body2.outerHeight();
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var top = grow.position().top - headerHeight - frozenHeight;
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if (top < 0){
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dc.body2.scrollTop(dc.body2.scrollTop() + top);
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} else if (top + groupHeight > dc.body2.height() - 18){
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dc.body2.scrollTop(dc.body2.scrollTop() + top + groupHeight - dc.body2.height() + 18);
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}
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}
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});
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}
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});
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$.extend(groupview, {
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refreshGroupTitle: function(target, groupIndex){
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var state = $.data(target, 'datagrid');
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var opts = state.options;
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var dc = state.dc;
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var group = this.groups[groupIndex];
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var span = dc.body1.add(dc.body2).children('div.datagrid-group[group-index=' + groupIndex + ']').find('span.datagrid-group-title');
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span.html(opts.groupFormatter.call(target, group.value, group.rows));
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},
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resizeGroup: function(target, groupIndex){
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var state = $.data(target, 'datagrid');
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var dc = state.dc;
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var ht = dc.header2.find('table');
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var fr = ht.find('tr.datagrid-filter-row').hide();
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// var ww = ht.width();
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var ww = dc.body2.children('table.datagrid-btable:first').width();
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if (groupIndex == undefined){
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var groupHeader = dc.body2.children('div.datagrid-group');
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} else {
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var groupHeader = dc.body2.children('div.datagrid-group[group-index=' + groupIndex + ']');
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}
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groupHeader._outerWidth(ww);
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var opts = state.options;
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if (opts.frozenColumns && opts.frozenColumns.length){
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var width = dc.view1.width() - opts.expanderWidth;
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var isRtl = dc.view1.css('direction').toLowerCase()=='rtl';
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groupHeader.find('.datagrid-group-title').css(isRtl?'right':'left', -width+'px');
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}
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if (fr.length){
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if (opts.showFilterBar){
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fr.show();
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}
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}
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// fr.show();
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},
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insertRow: function(target, index, row){
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var state = $.data(target, 'datagrid');
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var opts = state.options;
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var dc = state.dc;
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var group = null;
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var groupIndex;
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if (!state.data.rows.length){
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$(target).datagrid('loadData', [row]);
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return;
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}
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for(var i=0; i<this.groups.length; i++){
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if (this.groups[i].value == row[opts.groupField]){
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group = this.groups[i];
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groupIndex = i;
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break;
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}
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}
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if (group){
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if (index == undefined || index == null){
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index = state.data.rows.length;
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}
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if (index < group.startIndex){
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index = group.startIndex;
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} else if (index > group.startIndex + group.rows.length){
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index = group.startIndex + group.rows.length;
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}
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$.fn.datagrid.defaults.view.insertRow.call(this, target, index, row);
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if (index >= group.startIndex + group.rows.length){
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_moveTr(index, true);
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_moveTr(index, false);
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}
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group.rows.splice(index - group.startIndex, 0, row);
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} else {
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group = {
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value: row[opts.groupField],
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rows: [row],
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startIndex: state.data.rows.length
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}
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groupIndex = this.groups.length;
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dc.body1.append(this.renderGroup.call(this, target, groupIndex, group, true));
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dc.body2.append(this.renderGroup.call(this, target, groupIndex, group, false));
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this.groups.push(group);
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state.data.rows.push(row);
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}
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this.setGroupIndex(target);
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this.refreshGroupTitle(target, groupIndex);
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this.resizeGroup(target);
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function _moveTr(index,frozen){
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var serno = frozen?1:2;
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var prevTr = opts.finder.getTr(target, index-1, 'body', serno);
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var tr = opts.finder.getTr(target, index, 'body', serno);
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tr.insertAfter(prevTr);
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}
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},
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updateRow: function(target, index, row){
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var opts = $.data(target, 'datagrid').options;
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$.fn.datagrid.defaults.view.updateRow.call(this, target, index, row);
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var tb = opts.finder.getTr(target, index, 'body', 2).closest('table.datagrid-btable');
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var groupIndex = parseInt(tb.prev().attr('group-index'));
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this.refreshGroupTitle(target, groupIndex);
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},
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deleteRow: function(target, index){
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var state = $.data(target, 'datagrid');
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var opts = state.options;
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var dc = state.dc;
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var body = dc.body1.add(dc.body2);
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var tb = opts.finder.getTr(target, index, 'body', 2).closest('table.datagrid-btable');
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var groupIndex = parseInt(tb.prev().attr('group-index'));
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$.fn.datagrid.defaults.view.deleteRow.call(this, target, index);
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var group = this.groups[groupIndex];
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if (group.rows.length > 1){
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group.rows.splice(index-group.startIndex, 1);
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this.refreshGroupTitle(target, groupIndex);
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} else {
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body.children('div.datagrid-group[group-index='+groupIndex+']').remove();
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for(var i=groupIndex+1; i<this.groups.length; i++){
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body.children('div.datagrid-group[group-index='+i+']').attr('group-index', i-1);
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}
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this.groups.splice(groupIndex, 1);
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}
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this.setGroupIndex(target);
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},
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setGroupIndex: function(target){
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var index = 0;
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for(var i=0; i<this.groups.length; i++){
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var group = this.groups[i];
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group.startIndex = index;
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index += group.rows.length;
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}
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}
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});
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