/// <summary>
/// Перемещает позицию в таблице на позицию необходимой строки и выделяет найденную строку
/// </summary>
/// <param name="grid">Таблица для обработки</param>
/// <param name="filePredicate">Проверка на корректность файла</param>
/// <param name="stringPredicate">Проверка на корректность строки</param>
public static void ScrollToFileAndSelectString(this SfDataGrid grid, Predicate <IEditableFile> filePredicate,
Predicate <IOneString> stringPredicate)
{
int parentIndex = grid.View.Records.FindWithIndex(it => filePredicate(it.Data.As <IEditableFile>())).index;
if (parentIndex == -1)
{
return;
}
SfDataGrid detailsGrid = grid.GetDetailsViewGridWUpd("Details", parentIndex);
VisualContainer container = grid.GetVisualContainer();
container.ScrollRows.ScrollInView(grid.ResolveToRowIndex(parentIndex));
int childIndex = detailsGrid.View.Records.FindWithIndex(it => stringPredicate(it.Data as IOneString)).index;
if (childIndex == -1)
{
return;
}
detailsGrid.SelectedIndex = childIndex;
for (int i = 0; i < childIndex; i++)
{
container.ScrollRows.ScrollToNextLine();
}
}
/// <summary>
/// Перемещает позицию в таблице на позицию необходимого файла и выделяет найденный файл
/// </summary>
/// <param name="grid">Таблица для обработки</param>
/// <param name="filePredicate">Проверка на корректность файла</param>
/// <param name="expandRecord">Нужно ли разворачивать таблицу вложенных элементов у файла</param>
public static void ScrollToFileAndSelect(this SfDataGrid grid, Predicate <IEditableFile> filePredicate, bool expandRecord = true)
{
int parentIndex = grid.View.Records.FindWithIndex(it => filePredicate(it.Data.As <IEditableFile>())).index;
if (parentIndex == -1)
{
return;
}
if (expandRecord)
{
grid.ExpandDetailsViewAt(parentIndex);
}
grid.SelectedIndex = parentIndex;
VisualContainer container = grid.GetVisualContainer();
container.ScrollRows.ScrollInView(grid.ResolveToRowIndex(parentIndex));
}
private void ExpandAndSelectDetailsView(SfDataGrid dataGrid, int parentRowIndex, int childRowIndex, string relationalColumn)
{
//Checks whether the given index is parent row index or not.
bool IsDetailsViewIndex = dataGrid.IsInDetailsViewIndex(parentRowIndex);
if (IsDetailsViewIndex == true)
{
return;
}
//Gets the record of the parent row index.
var record = dataGrid.View.Records[dataGrid.ResolveToRecordIndex(parentRowIndex)];
//Gets the DetailsViewManager by using Reflection.
var propertyInfo = dataGrid.GetType().GetField("DetailsViewManager", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic);
DetailsViewManager detailsViewManager = propertyInfo.GetValue(dataGrid) as DetailsViewManager;
// Checks whether the parent record has the child grid or not by getting the child source and its count.
var childSource = detailsViewManager.GetChildSource(record.Data, relationalColumn);
var GetChildSourceCount = detailsViewManager.GetType().GetMethod("GetChildSourceCount", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Static);
var ChildSourceCount = GetChildSourceCount.Invoke(detailsViewManager, new object[] { childSource });
if ((int)ChildSourceCount == 0)
{
return;
}
//Checks whether the record is Expanded or Collapsed.
//When it is in the collapsed state, you need to expand the particular DetailsView based on the index.
if (!record.IsExpanded)
{
dataGrid.ExpandDetailsViewAt(dataGrid.ResolveToRecordIndex(parentRowIndex));
}
//Gets the index of the DetailsView.
int index = 0;
foreach (var def in dataGrid.DetailsViewDefinition)
{
if (def.RelationalColumn == relationalColumn)
{
index = dataGrid.DetailsViewDefinition.IndexOf(def);
index = parentRowIndex + index + 1;
}
}
//Brings the parent row in the view.
var rowcolumnIndex = new RowColumnIndex(index, 1);
dataGrid.ScrollInView(rowcolumnIndex);
//Gets the DetailsViewDataGrid by passing the corresponding rowindex and relation name.
var detailsViewDataGrid = dataGrid.GetDetailsViewGrid(dataGrid.ResolveToRecordIndex(parentRowIndex), relationalColumn);
//Checks whether the given index is currently in view or not.
//When the specified index is not currently in view, you can bring that row in to the view by using the SfDataGrid.ScrollInView method.
var firstline = dataGrid.GetVisualContainer().ScrollRows.GetVisibleLines().FirstOrDefault(line => line.Region == ScrollAxisRegion.Body);
var lastline = dataGrid.GetVisualContainer().ScrollRows.GetVisibleLines().LastOrDefault(line => line.Region == ScrollAxisRegion.Body);
if (firstline.LineIndex >= index || lastline.LineIndex <= index)
{
//Brings the details view grid in to the view and sets the child grid's SelectedIndex as the ChildRowIndex.
if (record != null && record.IsExpanded)
{
if (detailsViewDataGrid == null)
{
detailsViewManager.BringIntoView(index);
detailsViewDataGrid = dataGrid.GetDetailsViewGrid(dataGrid.ResolveToRecordIndex(parentRowIndex), relationalColumn);
}
}
}
if (detailsViewDataGrid != null)
{
detailsViewDataGrid.SelectedIndex = childRowIndex;
}
}
public Task ScrollTo(PublishedAction publishedAction)
{
if (publishedAction == null)
{
publishedAction = PublishedAction;
}
if (DataGrid == null || publishedAction == null)
{
return(Task.CompletedTask);
}
// On récupère la liste des PublishedActions
List <PublishedAction> publishedActions = new List <PublishedAction>();
foreach (PublishedAction pAction in Publication.PublishedActions)
{
publishedActions.Add(pAction);
if (pAction.LinkedPublication != null)
{
foreach (PublishedAction pInnerAction in pAction.LinkedPublication.PublishedActions)
{
publishedActions.Add(pInnerAction);
}
}
}
// On récupère l'index de l'élément
publishedAction = publishedActions.FirstOrDefault(_ => _.PublishedActionId == publishedAction.PublishedActionId);
if (publishedAction == null)
{
return(Task.CompletedTask);
}
int index = publishedActions.IndexOf(publishedAction) + 1;
if (index == 0)
{
return(Task.CompletedTask);
}
var visualContainer = DataGrid.GetVisualContainer();
var scrollRows = visualContainer.ScrollRows;
var scrollOwner = visualContainer.ScrollOwner;
LineSizeCollection lineCount = visualContainer.RowHeights as LineSizeCollection;
List <double> heights = new List <double>();
for (int count = 0; count < lineCount.LineCount; count++)
{
var nestedDistances = lineCount.GetDistances(count);
if (nestedDistances == null)
{
if (lineCount[count] != 0)
{
heights.Add(lineCount[count]);
}
}
else
{
for (int innerCount = 0; innerCount < nestedDistances.Count; innerCount++)
{
if (nestedDistances[innerCount] != 0)
{
heights.Add(nestedDistances[innerCount]);
}
}
}
}
double vOffset = 0;
for (int count = scrollRows.HeaderLineCount; count < index && count < heights.Count; count++)
{
vOffset += heights[count];
}
scrollOwner.ScrollToVerticalOffset(vOffset);
return(Task.CompletedTask);
}
