|
| 1 | +--- |
| 2 | +title: PivotGrid Drill Down Window |
| 3 | +description: How to Implement Drill Down Navigation |
| 4 | +type: how-to |
| 5 | +page_title: How to Implement Drill Down Functionality | Kendo UI PivotGrid for jQuery |
| 6 | +slug: pivotgrid-drill-down-window |
| 7 | +position: |
| 8 | +tags: |
| 9 | +ticketid: |
| 10 | +res_type: kb |
| 11 | +--- |
| 12 | + |
| 13 | +## Environment |
| 14 | +<table> |
| 15 | + <tbody> |
| 16 | + <tr> |
| 17 | + <td>Product</td> |
| 18 | + <td>PivotGrid for Progress® Kendo UI®</td> |
| 19 | + </tr> |
| 20 | + </tbody> |
| 21 | +</table> |
| 22 | + |
| 23 | + |
| 24 | +## Description |
| 25 | + |
| 26 | +This sample demonstrates how to implement a Drill Down Window for the PivotGrid, which will display additional details for a given cell. |
| 27 | + |
| 28 | +## Solution |
| 29 | + |
| 30 | +The key part is creating a secondary **drillDownDataSource**, which will request and hold only a subset of the data related to the clicked cell. This is achieved using multiple [filters](https://docs.telerik.com/kendo-ui/api/javascript/data/datasource/configuration/filter#filterfilters). |
| 31 | + |
| 32 | +```dojo |
| 33 | + <style> |
| 34 | + #pivotgrid { |
| 35 | + display: inline-block; |
| 36 | + vertical-align: top; |
| 37 | + } |
| 38 | + .k-fieldselector{ |
| 39 | + display: none !important; |
| 40 | + } |
| 41 | + .dataCell, |
| 42 | + .totalCell{ |
| 43 | + text-decoration: underline !important; |
| 44 | + color: initial !important; |
| 45 | + } |
| 46 | + </style> |
| 47 | +
|
| 48 | + <script src="https://demos.telerik.com/kendo-ui/content/shared/js/products.js"></script> |
| 49 | +
|
| 50 | + <div class='drill-down-container'></div> |
| 51 | +
|
| 52 | + <div id="example"> |
| 53 | + <div class="hidden-on-narrow" id="configurator"></div> |
| 54 | + <div class="hidden-on-narrow" id="pivotgrid"></div> |
| 55 | +
|
| 56 | + <div class="responsive-message"></div> |
| 57 | +
|
| 58 | + <script> |
| 59 | + $(document).ready(function () { |
| 60 | + var pivotgrid = $("#pivotgrid").kendoPivotGrid({ |
| 61 | + filterable: true, |
| 62 | + sortable: true, |
| 63 | + columnWidth: 120, |
| 64 | + height: 350, |
| 65 | + dataCellTemplate: $("#dataCellTemplate").html(), |
| 66 | + dataSource: { |
| 67 | + data: products, |
| 68 | + schema: { |
| 69 | + model: { |
| 70 | + fields: { |
| 71 | + ProductName: { type: "string" }, |
| 72 | + UnitPrice: { type: "number" }, |
| 73 | + UnitsInStock: { type: "number" }, |
| 74 | + Discontinued: { type: "boolean" }, |
| 75 | + CategoryName: { field: "Category.CategoryName" } |
| 76 | + } |
| 77 | + }, |
| 78 | + cube: { |
| 79 | + dimensions: { |
| 80 | + ProductName: { caption: "All Products" }, |
| 81 | + CategoryName: { caption: "All Categories" }, |
| 82 | + Discontinued: { caption: "Discontinued" } |
| 83 | + }, |
| 84 | + measures: { |
| 85 | + "Sum": { field: "UnitPrice", format: "{0:c}", aggregate: "sum" }, |
| 86 | + "Average": { field: "UnitPrice", format: "{0:c}", aggregate: "average" } |
| 87 | + } |
| 88 | + } |
| 89 | + }, |
| 90 | + columns: [{ name: "CategoryName", expand: true }, { name: "ProductName" } ], |
| 91 | + rows: [{ name: "Discontinued", expand: true }], |
| 92 | + measures: ["Sum"] |
| 93 | + } |
| 94 | + }).data("kendoPivotGrid"); |
| 95 | + }); |
| 96 | +
|
| 97 | + var dataSource; |
| 98 | +
|
| 99 | + function showDrillDown(link, event){ |
| 100 | + var pivot = $("#pivotgrid").data().kendoPivotGrid; |
| 101 | + dataSource = pivot.dataSource; |
| 102 | + var cell = link.parentElement; |
| 103 | + var cellInfo = pivot.cellInfoByElement(cell); |
| 104 | + var rowMembers = cellInfo.rowTuple.members; |
| 105 | + var columnMembers = cellInfo.columnTuple.members; |
| 106 | + var filterDetails = { logic: "and", filters: [] }; |
| 107 | +
|
| 108 | + for (var i = rowMembers.length - 1; i >= 0; i--) { |
| 109 | + var rowLevelInfo = rowMembers[i]; |
| 110 | + var fieldName = rowLevelInfo.parentName; |
| 111 | +
|
| 112 | + if(fieldName) |
| 113 | + { |
| 114 | + var value = parseValue(fieldName, rowLevelInfo.caption); |
| 115 | + filterDetails.filters.push({ field: fieldName, operator: "eq", value: value }); |
| 116 | + } |
| 117 | + } |
| 118 | +
|
| 119 | + for (var i = columnMembers.length - 1; i >= 0; i--) { |
| 120 | + var columnLevelInfo = columnMembers[i]; |
| 121 | + var fieldName = columnLevelInfo.parentName; |
| 122 | +
|
| 123 | + if(fieldName) |
| 124 | + { |
| 125 | + var value = parseValue(fieldName, columnLevelInfo.name.replace(fieldName + "&","")); |
| 126 | +
|
| 127 | + filterDetails.filters.push({ field: fieldName, operator: "eq", value: value }); |
| 128 | + } |
| 129 | + } |
| 130 | +
|
| 131 | + var drillDownDataSource = new kendo.data.DataSource({ |
| 132 | + data: dataSource._pristineData, |
| 133 | + schema: dataSource.schema, |
| 134 | + filter: filterDetails |
| 135 | + }); |
| 136 | +
|
| 137 | + showWindow(drillDownDataSource); |
| 138 | + } |
| 139 | +
|
| 140 | + function showWindow(drillDownDataSource){ |
| 141 | + var container = $(".drill-down-container"); |
| 142 | + container.append("<div class='drill-down-window'><div id='grid'></div></div>"); |
| 143 | +
|
| 144 | + var window = container.find(".drill-down-window").kendoWindow({ |
| 145 | + width: "600px", |
| 146 | + title: "Drill Down Details", |
| 147 | + close: onClose, |
| 148 | + scrollable: true, |
| 149 | + open: function (e) { |
| 150 | + $("html, body").css("overflow", "hidden"); |
| 151 | + }, |
| 152 | + modal: { |
| 153 | + preventScroll: true |
| 154 | + }, |
| 155 | + }).data().kendoWindow; |
| 156 | +
|
| 157 | + var gridColumns = []; |
| 158 | + var fields = dataSource.options.schema.model.fields; |
| 159 | +
|
| 160 | + for (var fieldName in fields) { |
| 161 | + gridColumns.push({field: fieldName, type: fields[fieldName]}); |
| 162 | + } |
| 163 | +
|
| 164 | + var grid = window.element.find("#grid").kendoGrid({ |
| 165 | + dataSource: drillDownDataSource, |
| 166 | + columns: gridColumns, |
| 167 | + scrollable: true, |
| 168 | + height: 200 |
| 169 | + }).data().kendoGrid; |
| 170 | +
|
| 171 | + window.center(); |
| 172 | + } |
| 173 | + function onClose(e){ |
| 174 | + setTimeout(function(){ |
| 175 | + e.sender.destroy(); |
| 176 | + $(".drill-down-container").empty(); |
| 177 | + }, 250); |
| 178 | + } |
| 179 | + function parseValue(fieldName, value){ |
| 180 | + var type = dataSource.options.schema.model.fields[fieldName].type; |
| 181 | +
|
| 182 | + if(value && value != '') |
| 183 | + { |
| 184 | + if(type == "number") { |
| 185 | + return parseFloat(value); |
| 186 | + } |
| 187 | + else if(type == "boolean") |
| 188 | + { |
| 189 | + return (value == 'true'); |
| 190 | + } |
| 191 | + else if(type == "string"){ |
| 192 | + var parsedDate = kendo.parseDate(value); |
| 193 | + if (parsedDate) { |
| 194 | + return parsedDate; |
| 195 | + } |
| 196 | + } |
| 197 | + } |
| 198 | + return value; |
| 199 | + } |
| 200 | +
|
| 201 | + </script> |
| 202 | + <script id="dataCellTemplate" type="text/x-kendo-tmpl"> |
| 203 | + # var columnMember = columnTuple ? columnTuple.members[0] : { children: [] }; # |
| 204 | + # var rowMember = rowTuple ? rowTuple.members[0] : { children: [] }; # |
| 205 | + # var value = kendo.toString(kendo.parseFloat(dataItem.value) || "N/A", "c2"); # |
| 206 | +
|
| 207 | + # if (rowMember.children.length) { # |
| 208 | + <a class='dataCell' href="javascript:void(0);" onclick='showDrillDown(this);'>#: value # (total)</em> |
| 209 | + # } else if(columnMember.children.length){ # |
| 210 | + <a class='dataCell' href="javascript:void(0);" onclick='showDrillDown(this);'>#: value # (total)</em> |
| 211 | + # } else { # |
| 212 | + <a class='totalCell' href="javascript:void(0);" onclick='showDrillDown(this); return false;'>#: value #</em> |
| 213 | + # } # |
| 214 | + </script> |
| 215 | + </div> |
| 216 | +``` |
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