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Defining columns

Crash8308 edited this page Nov 1, 2012 · 26 revisions

Column Definition Options


Customizable options with default values:

  • width: 60
  • minWidth: 50
  • maxWidth: 9000
  • field: "foo"
  • displayName: "Pretty Foo"
  • sortable: true
  • sortFn: function(a,b){return a > b} (see Sorting and Filtering)
  • cellTemplate: ""(see Templating)
  • cellClass: "userDefinedCSSClass"
  • headerClass: "userDefinedCSSClass"
  • headerCellTemplate: "" (see Templating)

An example of defining the columns of a grid looks like:

$scope.gridOptions = { data: myDataSource, 
                       columnDefs: [{ field: 'firstName', displayName: 'First Name', width: 90 },
                                    { field: 'lastName', displayName: 'Last Name', width: 80 },
                                    { field: 'age', cellClass: 'ageCell', headerClass: 'ageHeader' }]

Width can also be defined in percentages (20%, 30%) or in weighted *s (much like WPF/Silverlight) example:

$scope.gridOptions = { data: myDataSource, 
                       columnDefs: [{ field: 'firstName', displayName: 'First Name', width: "*"},
                                    { field: 'lastName', displayName: 'Last Name', width: "*" },
                                    { field: 'age', cellClass: 'ageCell', headerClass: 'ageHeader', width "**"}]

If the div bound to the ng-grid is 400px wide then having 4 total *s would make each star worth 100px each. Column 1 would be 100px wide, Column 2: 100px, and Column 3: 200px. This is always rounded down. In the event that you have a grid 1000px wide with two columns and 3 total stars you would have 1 pixel remaining and each * worth 333 pixels

The widths are calculated in the following order:

  • Pre-defined width (widh: 50)
  • Asterisks (width: "**") Rounded down
  • Percentages (width: "33%") Rounded down

Special note on percentages:

you can go over 100% of grid width, this is intended. If you have a grid 1000px wide with 4 columns, You can specify each column to be 50% width. This will result in each column being 500px wide and the Viewport overflowing as intended.

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