public virtual void BeginWebPartEditing(WebPart webPart)
{
this.Personalization.EnsureEnabled(true);
if (webPart == null)
{
throw new ArgumentNullException("webPart");
}
if (webPart.IsClosed)
{
throw new ArgumentException(System.Web.SR.GetString("WebPartManager_CantBeginEditingClosed"), "webPart");
}
if (!this.Controls.Contains(webPart))
{
throw new ArgumentException(System.Web.SR.GetString("UnknownWebPart"), "webPart");
}
if (this.DisplayMode != EditDisplayMode)
{
throw new InvalidOperationException(System.Web.SR.GetString("WebPartManager_MustBeInEdit"));
}
if (webPart == this.SelectedWebPart)
{
throw new ArgumentException(System.Web.SR.GetString("WebPartManager_AlreadyInEdit"), "webPart");
}
WebPartCancelEventArgs e = new WebPartCancelEventArgs(webPart);
this.OnSelectedWebPartChanging(e);
if (!this._allowEventCancellation || !e.Cancel)
{
if (this.SelectedWebPart != null)
{
this.EndWebPartEditing();
if (this.SelectedWebPart != null)
{
return;
}
}
this.SetSelectedWebPart(webPart);
this.Internals.CallOnEditModeChanged(webPart);
this.OnSelectedWebPartChanged(new WebPartEventArgs(webPart));
}
}
private void CloseOrDeleteWebPart(WebPart webPart, bool delete)
{
this.Personalization.EnsureEnabled(true);
if (webPart == null)
{
throw new ArgumentNullException("webPart");
}
if (!this.Controls.Contains(webPart))
{
throw new ArgumentException(System.Web.SR.GetString("UnknownWebPart"), "webPart");
}
if (!delete && webPart.IsClosed)
{
throw new ArgumentException(System.Web.SR.GetString("WebPartManager_AlreadyClosed"), "webPart");
}
if (delete)
{
if (webPart.IsStatic)
{
throw new ArgumentException(System.Web.SR.GetString("WebPartManager_CantDeleteStatic"), "webPart");
}
if (webPart.IsShared && (this.Personalization.Scope == PersonalizationScope.User))
{
throw new ArgumentException(System.Web.SR.GetString("WebPartManager_CantDeleteSharedInUserScope"), "webPart");
}
}
WebPartCancelEventArgs e = new WebPartCancelEventArgs(webPart);
if (delete)
{
this.OnWebPartDeleting(e);
}
else
{
this.OnWebPartClosing(e);
}
if (!this._allowEventCancellation || !e.Cancel)
{
if ((this.DisplayMode == ConnectDisplayMode) && (webPart == this.SelectedWebPart))
{
this.EndWebPartConnecting();
if (this.SelectedWebPart != null)
{
return;
}
}
if ((this.DisplayMode == EditDisplayMode) && (webPart == this.SelectedWebPart))
{
this.EndWebPartEditing();
if (this.SelectedWebPart != null)
{
return;
}
}
if (delete)
{
this.Internals.CallOnDeleting(webPart);
}
else
{
this.Internals.CallOnClosing(webPart);
}
if (!webPart.IsClosed)
{
this.RemoveWebPartFromZone(webPart);
}
this.DisconnectWebPart(webPart);
if (delete)
{
this.Internals.RemoveWebPart(webPart);
this.OnWebPartDeleted(new WebPartEventArgs(webPart));
}
else
{
this.OnWebPartClosed(new WebPartEventArgs(webPart));
}
}
}
public virtual void EndWebPartEditing()
{
this.Personalization.EnsureEnabled(true);
WebPart selectedWebPart = this.SelectedWebPart;
if (selectedWebPart == null)
{
throw new InvalidOperationException(System.Web.SR.GetString("WebPartManager_NoSelectedWebPartEdit"));
}
WebPartCancelEventArgs e = new WebPartCancelEventArgs(selectedWebPart);
this.OnSelectedWebPartChanging(e);
if (!this._allowEventCancellation || !e.Cancel)
{
this.SetSelectedWebPart(null);
this.Internals.CallOnEditModeChanged(selectedWebPart);
this.OnSelectedWebPartChanged(new WebPartEventArgs(null));
}
}
protected virtual void OnWebPartDeleting(WebPartCancelEventArgs e)
{
WebPartCancelEventHandler handler = (WebPartCancelEventHandler) base.Events[WebPartDeletingEvent];
if (handler != null)
{
handler(this, e);
}
}
protected virtual new void OnSelectedWebPartChanging(WebPartCancelEventArgs e)
{
}
protected virtual new void OnWebPartDeleting(WebPartCancelEventArgs e)
{
}
public virtual void EndWebPartEditing() {
Personalization.EnsureEnabled(/* ensureModifiable */ true);
WebPart selectedWebPart = SelectedWebPart;
if (selectedWebPart == null) {
throw new InvalidOperationException(SR.GetString(SR.WebPartManager_NoSelectedWebPartEdit));
}
WebPartCancelEventArgs ce = new WebPartCancelEventArgs(selectedWebPart);
OnSelectedWebPartChanging(ce);
if (_allowEventCancellation && ce.Cancel) {
return;
}
SetSelectedWebPart(null);
Internals.CallOnEditModeChanged(selectedWebPart);
// The EventArg should always contain the new SelectedWebPart, so it should contain null
// when we are ending editing.
OnSelectedWebPartChanged(new WebPartEventArgs(null));
}
protected virtual void OnSelectedWebPartChanging(WebPartCancelEventArgs e) {
WebPartCancelEventHandler handler = (WebPartCancelEventHandler)Events[SelectedWebPartChangingEvent];
if (handler != null) {
handler(this, e);
}
}
private void CloseOrDeleteWebPart(WebPart webPart, bool delete) {
Personalization.EnsureEnabled(/* ensureModifiable */ true);
if (webPart == null) {
throw new ArgumentNullException("webPart");
}
if (!Controls.Contains(webPart)) {
throw new ArgumentException(SR.GetString(SR.UnknownWebPart), "webPart");
}
if (!delete && webPart.IsClosed) {
// Throw an exception instead of just returning. If the shared user and per user close
// a WebPart at the same time, then the WebPartZoneBase should not call CloseWebPart
// if the WebPart is now closed.
throw new ArgumentException(SR.GetString(SR.WebPartManager_AlreadyClosed), "webPart");
}
if (delete) {
if (webPart.IsStatic) {
// Can't delete static parts
throw new ArgumentException(SR.GetString(SR.WebPartManager_CantDeleteStatic), "webPart");
}
else if (webPart.IsShared && (Personalization.Scope == PersonalizationScope.User)) {
// Can't delete shared part in user scope
throw new ArgumentException(SR.GetString(SR.WebPartManager_CantDeleteSharedInUserScope), "webPart");
}
}
WebPartCancelEventArgs ce = new WebPartCancelEventArgs(webPart);
if (delete) {
OnWebPartDeleting(ce);
}
else {
OnWebPartClosing(ce);
}
if (_allowEventCancellation && ce.Cancel) {
return;
}
if ((DisplayMode == ConnectDisplayMode) && (webPart == SelectedWebPart)) {
EndWebPartConnecting();
if (SelectedWebPart != null) {
// The ConnectModeChange was cancelled
return;
}
}
// VSWhidbey 77768
if ((DisplayMode == EditDisplayMode) && (webPart == SelectedWebPart)) {
EndWebPartEditing();
if (SelectedWebPart != null) {
// The EditModeChange was cancelled
return;
}
}
if (delete) {
Internals.CallOnDeleting(webPart);
}
else {
Internals.CallOnClosing(webPart);
}
#if DEBUG
WebPartZoneBase zone = webPart.Zone;
#endif
// If we are deleting a closed WebPart, it has already been removed from
// its Zone, so there is no need to do it again.
if (!webPart.IsClosed) {
RemoveWebPartFromZone(webPart);
}
DisconnectWebPart(webPart);
if (delete) {
Internals.RemoveWebPart(webPart);
// Raise the WebPartDeleted event after changing the WebPart properties
// The WebPartDeleting event is raised before changing the WebPart properties
OnWebPartDeleted(new WebPartEventArgs(webPart));
}
else {
// Raise the WebPartClosed event after changing the WebPart properties
// The WebPartClosing event is raised before changing the WebPart properties
OnWebPartClosed(new WebPartEventArgs(webPart));
}
#if DEBUG
if (zone != null) {
CheckPartZoneIndexes(zone);
}
#endif
}
public virtual void BeginWebPartEditing(WebPart webPart) {
Personalization.EnsureEnabled(/* ensureModifiable */ true);
if (webPart == null) {
throw new ArgumentNullException("webPart");
}
if (webPart.IsClosed) {
throw new ArgumentException(SR.GetString(SR.WebPartManager_CantBeginEditingClosed), "webPart");
}
if (!Controls.Contains(webPart)) {
throw new ArgumentException(SR.GetString(SR.UnknownWebPart), "webPart");
}
if (DisplayMode != EditDisplayMode) {
throw new InvalidOperationException(SR.GetString(SR.WebPartManager_MustBeInEdit));
}
if (webPart == SelectedWebPart) {
throw new ArgumentException(SR.GetString(SR.WebPartManager_AlreadyInEdit), "webPart");
}
WebPartCancelEventArgs ce = new WebPartCancelEventArgs(webPart);
OnSelectedWebPartChanging(ce);
if (_allowEventCancellation && ce.Cancel) {
return;
}
if (SelectedWebPart != null) {
EndWebPartEditing();
if (SelectedWebPart != null) {
// The EditModeChange was cancelled
return;
}
}
SetSelectedWebPart(webPart);
Internals.CallOnEditModeChanged(webPart);
OnSelectedWebPartChanged(new WebPartEventArgs(webPart));
}
private void WebPartManager_WebPartDeleting(object sender, WebPartCancelEventArgs e)
{
WebPart part = e.WebPart;
if (part != null && !(part is ISymbolWebPart) && part.Zone == this)
{
base.WebPartManager.AddWebPart(this.CreateEmptyWebPart(), part.Zone, part.ZoneIndex);
}
}
protected virtual new void OnWebPartDeleting(WebPartCancelEventArgs e)
{
}
protected virtual new void OnSelectedWebPartChanging(WebPartCancelEventArgs e)
{
}
