示例#1
0
        private void RemoveAt(int index, bool selectCurrentRow)
        {
            if (index < 0 || index >= this.Count)
            {
                throw new IndexOutOfRangeException("Invalid Index.");
            }
            GridViewRowInfo gridViewRowInfo = this[index];
            GridViewInfo    viewInfo        = gridViewRowInfo.ViewInfo;

            if (this.OnRowsChanging(new GridViewCollectionChangingEventArgs(this.owner, NotifyCollectionChangedAction.Remove, (object)gridViewRowInfo, -1, index)))
            {
                return;
            }
            int count = this.Count;

            GridViewSynchronizationService.SuspendEvent(this.owner, KnownEvents.CurrentChanged);
            GridViewRowInfo navRow = (GridViewRowInfo)null;
            bool            flag   = selectCurrentRow && this.owner.MasterTemplate != null && gridViewRowInfo == this.owner.MasterTemplate.CurrentRow;

            if (flag)
            {
                navRow = GridViewRowCollection.NavigateAfterRemove(this.owner.MasterTemplate.CurrentRow, (List <GridViewRowInfo>)null);
            }
            this.suspendNotifications = true;
            gridViewRowInfo.ViewInfo.PinnedRows.Remove(gridViewRowInfo);
            this.owner.ListSource.RemoveAt(index);
            this.suspendNotifications = false;
            GridViewSynchronizationService.ResumeEvent(this.owner, KnownEvents.CurrentChanged);
            if (count != this.Count)
            {
                this.DispatchDataViewChangedEvent(new DataViewChangedEventArgs(ViewChangedAction.Remove, (object)gridViewRowInfo));
                if (flag)
                {
                    if (navRow == null && this.Owner.AllowAddNewRow)
                    {
                        navRow = (GridViewRowInfo)viewInfo.TableAddNewRow;
                    }
                    if (navRow != null && navRow.ViewInfo != null)
                    {
                        this.ExpandRow(navRow);
                        this.owner.MasterTemplate.CurrentRow = navRow;
                    }
                    if (this.Owner.MasterTemplate.CurrentRow == null)
                    {
                        this.Owner.MasterTemplate.EventDispatcher.RaiseEvent <EventArgs>(EventDispatcher.SelectionChanged, (object)this.Owner, EventArgs.Empty);
                    }
                }
                gridViewRowInfo.Detach();
            }
            else
            {
                gridViewRowInfo.Attach();
                if (!gridViewRowInfo.IsPinned)
                {
                    return;
                }
                viewInfo.PinnedRows.Add(gridViewRowInfo);
            }
        }
示例#2
0
        private void ListSource_CollectionChanged(object sender, NotifyCollectionChangedEventArgs e)
        {
            if (e.Action == NotifyCollectionChangedAction.Add)
            {
                this.AttachRows(e.NewItems);
                if (!this.suspendNotifications)
                {
                    if (this.Count <= 1)
                    {
                        this.owner.DataView.EnsureDescriptors();
                    }
                    this.UpdateChildRowViewInfo((GridViewRowInfo)e.NewItems[0]);
                    if (((GridViewRowInfo)e.NewItems[0]).Parent is MasterGridViewTemplate)
                    {
                        ++((GridViewRowInfo)e.NewItems[0]).ViewInfo.Version;
                    }
                    this.DispatchDataViewChangedEvent(new DataViewChangedEventArgs(ViewChangedAction.Add, e.NewItems));
                    if (this.owner.SelectLastAddedRow && e.NewItems.Count > 0)
                    {
                        GridViewSynchronizationService.RaiseCurrentChanged(this.owner, this.owner.DataView.CurrentItem, this.owner.CurrentColumn, this.owner.DataView == null);
                        if (!this.addingThroughUI)
                        {
                            if (this.prevSelectedRow != null)
                            {
                                GridViewSynchronizationService.SuspendEvent(this.owner, KnownEvents.CurrentChanged);
                                this.prevSelectedRow.IsCurrent  = false;
                                this.prevSelectedRow.IsSelected = false;
                                GridViewSynchronizationService.ResumeEvent(this.owner, KnownEvents.CurrentChanged);
                            }
                            GridViewRowInfo newItem = (GridViewRowInfo)e.NewItems[0];
                            newItem.IsCurrent    = true;
                            newItem.IsSelected   = true;
                            this.prevSelectedRow = newItem;
                            newItem.EnsureVisible();
                        }
                    }
                    if (this.owner.IsSelfReference)
                    {
                        this.DispatchDataViewChangedEvent(new DataViewChangedEventArgs(ViewChangedAction.SortingChanged));
                    }
                }
            }
            GridViewInfo    gridViewInfo    = (GridViewInfo)null;
            GridViewRowInfo gridViewRowInfo = (GridViewRowInfo)null;
            bool            flag1           = false;

            if (e.Action == NotifyCollectionChangedAction.Remove)
            {
                GridViewRowInfo newItem = e.NewItems[0] as GridViewRowInfo;
                flag1 = newItem.IsPinned;
                if (newItem != null && newItem.ViewTemplate != null && newItem.ViewTemplate.HierarchyDataProvider != null)
                {
                    int val1 = this.owner.MasterTemplate.Owner.TableElement.RowScroller.Scrollbar.Value;
                    newItem.ViewTemplate.HierarchyDataProvider.Refresh();
                    newItem.ViewTemplate.Refresh();
                    RadScrollBarElement scrollbar = this.owner.MasterTemplate.Owner.TableElement.RowScroller.Scrollbar;
                    scrollbar.Value = Math.Min(val1, scrollbar.Maximum - scrollbar.LargeChange + 1);
                }
                if (newItem != null && newItem.IsCurrent && (this.owner.Parent != null && !this.suspendNotifications))
                {
                    gridViewInfo    = newItem.ViewInfo;
                    gridViewRowInfo = GridViewRowCollection.NavigateAfterRemove(newItem, (List <GridViewRowInfo>)null);
                }
                if (!this.suspendNotifications)
                {
                    this.DispatchDataViewChangedEvent(new DataViewChangedEventArgs(ViewChangedAction.Remove, e.NewItems));
                }
            }
            this.OnCollectionChanged(e);
            if (gridViewInfo != null)
            {
                GridViewRelationDataProvider hierarchyDataProvider = gridViewInfo.ViewTemplate.HierarchyDataProvider as GridViewRelationDataProvider;
                if (hierarchyDataProvider != null && this.owner.MasterTemplate.SynchronizationService.IsDispatchSuspended)
                {
                    hierarchyDataProvider.Refresh();
                }
                gridViewInfo.Refresh();
            }
            GridViewCollectionChangedEventArgs args = new GridViewCollectionChangedEventArgs(this.owner, e.Action, e.NewItems, e.OldItems, e.NewStartingIndex, e.OldStartingIndex, e.PropertyName);
            bool flag2 = true;

            if (e.Action == NotifyCollectionChangedAction.ItemChanging || e.Action == NotifyCollectionChangedAction.ItemChanged)
            {
                flag2 = !this.owner.ListSource.IsDataBound || e.Action == NotifyCollectionChangedAction.ItemChanged && !string.IsNullOrEmpty(e.PropertyName);
            }
            if (flag2)
            {
                this.owner.EventDispatcher.RaiseEvent <GridViewCollectionChangedEventArgs>(EventDispatcher.RowsChanged, (object)this, args);
                this.UpdateHierarchyView(e.NewItems, e.PropertyName);
            }
            if (flag1)
            {
                this.DispatchDataViewChangedEvent(new DataViewChangedEventArgs(ViewChangedAction.Remove), GridEventType.UI);
            }
            if (gridViewInfo == null || this.owner.MasterTemplate == null)
            {
                return;
            }
            if (this.owner.MasterTemplate.SynchronizationService.IsDispatchSuspended)
            {
                if (gridViewRowInfo == null)
                {
                    return;
                }
                this.owner.MasterTemplate.CurrentRowToSetOnEndUpdate = gridViewRowInfo;
            }
            else
            {
                if (!flag1)
                {
                    this.DispatchDataViewChangedEvent(new DataViewChangedEventArgs(ViewChangedAction.Remove), GridEventType.UI);
                }
                if (gridViewRowInfo == null)
                {
                    return;
                }
                this.owner.MasterTemplate.CurrentRow = gridViewRowInfo;
            }
        }
示例#3
0
        public GridViewRowInfo EndAddNewRow()
        {
            if (!this.newRowInitialized || !this.IsModified)
            {
                return((GridViewRowInfo)null);
            }
            GridViewCollectionChangingEventArgs args1 = new GridViewCollectionChangingEventArgs(this.ViewTemplate, Telerik.WinControls.Data.NotifyCollectionChangedAction.Add, (object)null, this.ViewTemplate.Rows.Count, -1);

            this.ViewTemplate.EventDispatcher.RaiseEvent <GridViewCollectionChangingEventArgs>(EventDispatcher.RowsChanging, (object)this.ViewTemplate, args1);
            if (args1.Cancel)
            {
                return((GridViewRowInfo)null);
            }
            GridViewRowCancelEventArgs args2 = new GridViewRowCancelEventArgs(new GridViewRowInfo[1]
            {
                (GridViewRowInfo)this
            });

            this.ViewTemplate.EventDispatcher.RaiseEvent <GridViewRowCancelEventArgs>(EventDispatcher.UserAddingRow, (object)this.ViewTemplate, args2);
            if (args2.Cancel)
            {
                return((GridViewRowInfo)null);
            }
            if (this.ViewTemplate.IsVirtualRows)
            {
                GridViewObjectRelationalDataProvider hierarchyDataProvider = this.ViewTemplate.HierarchyDataProvider as GridViewObjectRelationalDataProvider;
                GridViewRowInfo rowInfo = (GridViewRowInfo)this;
                if (hierarchyDataProvider != null && this.ViewTemplate.AutoUpdateObjectRelationalSource)
                {
                    rowInfo = hierarchyDataProvider.AddNewRow(this) ?? (GridViewRowInfo)this;
                    this.ViewInfo.Refresh();
                    if (rowInfo != this)
                    {
                        if (!this.deferUserAddedRow)
                        {
                            GridViewRowEventArgs args3 = new GridViewRowEventArgs(rowInfo);
                            this.ViewTemplate.EventDispatcher.RaiseEvent <GridViewRowEventArgs>(EventDispatcher.UserAddedRow, (object)this.ViewTemplate, args3);
                        }
                        else
                        {
                            this.addedRow          = rowInfo;
                            this.deferUserAddedRow = false;
                        }
                        if (this.moveToLastRow)
                        {
                            rowInfo.IsCurrent  = true;
                            this.moveToLastRow = false;
                        }
                        else
                        {
                            this.ViewTemplate.MasterTemplate.CurrentRow = (GridViewRowInfo)this.ViewInfo.TableAddNewRow;
                        }
                    }
                }
                else
                {
                    GridViewRowEventArgs args3 = new GridViewRowEventArgs((GridViewRowInfo)this);
                    this.ViewTemplate.EventDispatcher.RaiseEvent <GridViewRowEventArgs>(EventDispatcher.UserAddedRow, (object)this.ViewTemplate, args3);
                }
                GridViewSynchronizationService.DispatchEvent(this.ViewTemplate, new GridViewEvent((object)this.ViewTemplate, (object)this.ViewTemplate, new object[1]
                {
                    (object)new DataViewChangedEventArgs(ViewChangedAction.Add, (object)this)
                }, new GridViewEventInfo(KnownEvents.ViewChanged, GridEventType.Both, GridEventDispatchMode.Send)), false);
                return(rowInfo);
            }
            int             count    = this.ViewTemplate.ListSource.Count;
            GridViewRowInfo rowInfo1 = this.boundRow;

            try
            {
                this.ViewTemplate.Rows.addingThroughUI = true;
                this.ViewTemplate.BeginUpdate();
                IEditableObject editableObject = rowInfo1 != null ? rowInfo1.DataBoundItem as IEditableObject : (IEditableObject)null;
                if (rowInfo1 == null)
                {
                    rowInfo1       = this.ViewTemplate.ListSource.AddNew();
                    editableObject = rowInfo1.DataBoundItem as IEditableObject;
                    editableObject?.BeginEdit();
                }
                else
                {
                    this.boundRow.IsVisible = true;
                }
                rowInfo1.AddingNewDataRow = true;
                bool flag = false;
                for (int index = 0; index < this.ViewTemplate.Columns.Count; ++index)
                {
                    GridViewColumn column = (GridViewColumn)this.ViewTemplate.Columns[index];
                    object         obj    = this[column];
                    if (obj == null)
                    {
                        GridViewCheckBoxColumn viewCheckBoxColumn = column as GridViewCheckBoxColumn;
                        if (viewCheckBoxColumn != null && viewCheckBoxColumn.DataType.IsValueType)
                        {
                            object instance = Activator.CreateInstance(viewCheckBoxColumn.DataType);
                            rowInfo1[column] = instance;
                        }
                    }
                    else if (this.changedColumns.Contains((object)column))
                    {
                        flag             = true;
                        rowInfo1[column] = obj;
                    }
                }
                if (flag)
                {
                    editableObject?.EndEdit();
                    this.ViewTemplate.EndUpdate(false);
                    GridViewSynchronizationService.SuspendEvent(this.ViewTemplate, KnownEvents.CurrentChanged);
                    ((ICancelAddNew)this.ViewTemplate.ListSource).EndNew(this.ViewTemplate.ListSource.Count - 1);
                    GridViewSynchronizationService.ResumeEvent(this.ViewTemplate, KnownEvents.CurrentChanged);
                    if (!this.deferUserAddedRow)
                    {
                        GridViewRowEventArgs args3 = new GridViewRowEventArgs(rowInfo1);
                        this.ViewTemplate.EventDispatcher.RaiseEvent <GridViewRowEventArgs>(EventDispatcher.UserAddedRow, (object)this.ViewTemplate, args3);
                        this.addedRow = (GridViewRowInfo)null;
                    }
                    else
                    {
                        this.addedRow = rowInfo1;
                    }
                    this.deferUserAddedRow = false;
                    if (this.moveToLastRow)
                    {
                        rowInfo1.IsCurrent = true;
                        this.moveToLastRow = false;
                    }
                    else
                    {
                        this.ViewTemplate.MasterTemplate.CurrentRow = (GridViewRowInfo)this.ViewInfo.TableAddNewRow;
                    }
                }
                else
                {
                    if (this.boundRow != null || this.ViewTemplate.ListSource.Count > count)
                    {
                        ((ICancelAddNew)this.ViewTemplate.ListSource).CancelNew(this.ViewTemplate.ListSource.Count - 1);
                    }
                    this.ViewTemplate.EndUpdate(false);
                }
            }
            catch (Exception ex)
            {
                if (this.boundRow != null || this.ViewTemplate.ListSource.Count > count)
                {
                    ((ICancelAddNew)this.ViewTemplate.ListSource).CancelNew(this.ViewTemplate.ListSource.Count - 1);
                }
                this.ViewTemplate.EndUpdate(false);
                this.ViewTemplate.SetError(new GridViewCellCancelEventArgs((GridCellElement)null, (IInputEditor)null), ex);
                return((GridViewRowInfo)null);
            }
            finally
            {
                this.boundRow          = (GridViewRowInfo)null;
                this.newRowInitialized = false;
                this.IsModified        = false;
                this.ClearCache();
                this.changedColumns.Clear();
                this.InvalidateRow();
                this.ViewTemplate.Rows.addingThroughUI = false;
                if (this.ViewTemplate != null && this.ViewTemplate.ListSource != null)
                {
                    this.ViewTemplate.ListSource.CreateATransactionForEveryValueSetting = true;
                }
                if (rowInfo1 != null)
                {
                    rowInfo1.AddingNewDataRow = false;
                }
                if (this.ViewInfo.ParentRow != null && this.ViewInfo.SummaryRows.Count > 0)
                {
                    ++this.ViewInfo.summaryValueVersion;
                    this.ViewTemplate.MasterTemplate.SynchronizationService.DispatchEvent(new GridViewEvent((object)this.ViewTemplate, (object)this, new object[1]
                    {
                        (object)new DataViewChangedEventArgs(ViewChangedAction.DataChanged, (IList)null)
                    }, new GridViewEventInfo(KnownEvents.ViewChanged, GridEventType.Both, GridEventDispatchMode.Send)));
                }
            }
            return(rowInfo1);
        }