/// <summary>
/// Deletes a specified document version. Called when the "Delete version" button is pressed.
/// Expects the "CreateExampleObjects" and at least the "EditDocument" method to be run first.
/// </summary>
private bool DeleteVersion()
{
TreeProvider tree = new TreeProvider(CMSContext.CurrentUser);
// Prepare parameters
string siteName = CMSContext.CurrentSiteName;
string aliasPath = "/API-Example";
string culture = "en-us";
bool combineWithDefaultCulture = false;
string classNames = TreeProvider.ALL_CLASSNAMES;
string where = null;
string orderBy = null;
int maxRelativeLevel = -1;
bool selectOnlyPublished = false;
string columns = null;
// Get the document
TreeNode node = DocumentHelper.GetDocument(siteName, aliasPath, culture, combineWithDefaultCulture, classNames, where, orderBy, maxRelativeLevel, selectOnlyPublished, columns, tree);
if (node != null)
{
// Prepare the WHERE condition for the latest document version
where = "DocumentID = " + node.DocumentID;
orderBy = "ModifiedWhen DESC";
int topN = 1;
// Get the version ID
DataSet versionHistory = VersionHistoryInfoProvider.GetVersionHistories(where, orderBy, topN, columns);
if (!DataHelper.DataSourceIsEmpty(versionHistory))
{
// Create the Version history info object
VersionHistoryInfo version = new VersionHistoryInfo(versionHistory.Tables[0].Rows[0]);
VersionManager versionManager = VersionManager.GetInstance(tree);
// Delete the version
versionManager.DestroyDocumentVersion(version.VersionHistoryID);
return(true);
}
else
{
apiDeleteVersion.ErrorMessage = "The document's version history is empty.";
}
}
return(false);
}
protected void gridHistory_OnAction(string actionName, object actionArgument)
{
int versionHistoryId = ValidationHelper.GetInteger(actionArgument, 0);
switch (actionName.ToLowerInvariant())
{
case "rollback":
if (versionHistoryId > 0)
{
if (CheckedOutByUserID > 0)
{
// Document is checked out
ShowError(GetString("VersionProperties.CannotRollbackCheckedOut"));
}
else
{
// Check permissions
if (!WorkflowManager.CheckStepPermissions(Node, WorkflowActionEnum.Approve) || !CanModify || (CheckedOutByAnotherUser && !CanCheckIn) || (versionHistoryId == Node.DocumentCheckedOutVersionHistoryID))
{
ShowError(String.Format(GetString("cmsdesk.notauthorizedtoeditdocument"), HTMLHelper.HTMLEncode(Node.GetDocumentName())));
}
else
{
try
{
VersionManager.RollbackVersion(versionHistoryId);
if (!IsLiveSite)
{
// Refresh content tree (for the case that document name has been changed)
ScriptHelper.RefreshTree(Page, NodeID, Node.NodeParentID);
}
// Refresh node instance
InvalidateNode();
ShowConfirmation(GetString("VersionProperties.RollbackOK"));
}
catch (Exception ex)
{
ShowError(ex.Message);
}
}
}
}
break;
case "destroy":
if (versionHistoryId > 0)
{
if (Node != null)
{
// Check permissions
if (!CanDestroy || (CheckedOutByAnotherUser && !CanCheckIn) || (versionHistoryId == Node.DocumentCheckedOutVersionHistoryID))
{
ShowError(GetString("History.ErrorNotAllowedToDestroy"));
}
else
{
// Refresh node instance
InvalidateNode();
VersionManager.DestroyDocumentVersion(versionHistoryId);
ShowConfirmation(GetString("VersionProperties.DestroyOK"));
}
}
}
break;
}
}
protected void gridHistory_OnAction(string actionName, object actionArgument)
{
int versionHistoryId = ValidationHelper.GetInteger(actionArgument, 0);
switch (actionName.ToLower())
{
case "rollback":
if (versionHistoryId > 0)
{
if (CheckedOutByUserID > 0)
{
// Document is checked out
ErrorLabel.Text += GetString("VersionProperties.CannotRollbackCheckedOut");
}
else
{
// Check permissions
if (!CanApprove || !CanModify)
{
ErrorLabel.Text = String.Format(GetString("cmsdesk.notauthorizedtoeditdocument"), Node.NodeAliasPath);
}
else
{
try
{
VersionManager.RollbackVersion(versionHistoryId);
if (!IsLiveSite)
{
// Refresh content tree (for the case that document name has been changed)
string refreshTreeScript = ScriptHelper.GetScript("if(window.RefreshTree!=null)RefreshTree(" + Node.NodeParentID + ", " + Node.NodeID + ");");
ScriptHelper.RegisterStartupScript(this, typeof(string), "refreshTree" + ClientID, refreshTreeScript);
}
InfoLabel.Text = GetString("VersionProperties.RollbackOK");
}
catch (Exception ex)
{
ErrorLabel.Text += ex.Message;
}
}
}
}
break;
case "destroy":
if (versionHistoryId > 0)
{
if (Node != null)
{
// Check permissions
if (!CanDestroy || (CheckedOutByAnotherUser && !CanCheckIn))
{
ErrorLabel.Text = GetString("History.ErrorNotAllowedToDestroy");
}
else
{
VersionManager.DestroyDocumentVersion(versionHistoryId);
InfoLabel.Text = GetString("VersionProperties.DestroyOK");
}
}
}
break;
}
}
/// <summary>
/// Deletes a specified document version. Called when the "Delete version" button is pressed.
/// Expects the "CreateExampleObjects" and at least the "EditDocument" method to be run first.
/// </summary>
private bool DeleteVersion()
{
TreeProvider tree = new TreeProvider(CMSContext.CurrentUser);
// Prepare parameters
string siteName = CMSContext.CurrentSiteName;
string aliasPath = "/API-Example";
string culture = "en-us";
bool combineWithDefaultCulture = false;
string classNames = TreeProvider.ALL_CLASSNAMES;
string where = null;
string orderBy = null;
int maxRelativeLevel = -1;
bool selectOnlyPublished = false;
string columns = null;
// Get the document
TreeNode node = DocumentHelper.GetDocument(siteName, aliasPath, culture, combineWithDefaultCulture, classNames, where, orderBy, maxRelativeLevel, selectOnlyPublished, columns, tree);
if (node != null)
{
// Prepare the WHERE condition for the latest document version
where = "DocumentID = " + node.DocumentID;
orderBy = "ModifiedWhen DESC";
int topN = 1;
// Get the version ID
DataSet versionHistory = VersionHistoryInfoProvider.GetVersionHistories(where, orderBy, topN, columns);
if (!DataHelper.DataSourceIsEmpty(versionHistory))
{
// Create the Version history info object
VersionHistoryInfo version = new VersionHistoryInfo(versionHistory.Tables[0].Rows[0]);
VersionManager versionManager = new VersionManager(tree);
// Delete the version
versionManager.DestroyDocumentVersion(version.VersionHistoryID);
return true;
}
else
{
apiDeleteVersion.ErrorMessage = "The document's version history is empty.";
}
}
return false;
}
