Scenario: Enable/disable ribbon button in SharePoint 2010 List Display form
The ID of the list in display form can be retrieved using _spPageContextInfo.pageListId and this ID can be used to get the details of the list. Given below is a function which check whether versioning is enabled in a list or not and depending on that it enables or disables a button in the ribbon.
The ID of the list in display form can be retrieved using _spPageContextInfo.pageListId and this ID can be used to get the details of the list. Given below is a function which check whether versioning is enabled in a list or not and depending on that it enables or disables a button in the ribbon.
function ExportVersionHistoryDisplayFormEnable() {
var context = SP.ClientContext.get_current();
this.list = context.get_web().get_lists().getById(_spPageContextInfo.pageListId);
if (this.versioningEnabled === undefined) {
context.load(this.list, 'EnableVersioning');
context.executeQueryAsync(Function.createDelegate(this, this.listSuccess), Function.createDelegate(this, this.listFailed));
}
return this.versioningEnabled;
}
function listSuccess(sender, args) {
this.versioningEnabled = this.list.get_enableVersioning();
RefreshCommandUI();
}
function listFailed(sender, args) {
alert('request failed ' + args.get_message() + 'n' + args.get_stackTrace());
}