/// <summary>
/// Update Tool Tip which show tool tip when mouse enter on GridUnBoundRowCell.
/// </summary>
/// <param name="dataColumn">Which hold GridUnBoundRowCell, GridColumn and Cell's row Column index</param>
public override void UpdateToolTip(DataColumnBase dataColumn)
{
var uiElement = dataColumn.ColumnElement;
var column = dataColumn.GridColumn;
if (column == null || !column.ShowToolTip)
{
uiElement.ClearValue(ToolTipService.ToolTipProperty);
return;
}
var obj = ToolTipService.GetToolTip(uiElement);
ToolTip tooltip;
if (obj is ToolTip)
{
tooltip = obj as ToolTip;
}
else
{
tooltip = new ToolTip();
}
var dataContext = dataColumn.GridUnBoundRowEventsArgs;
if (column.hasToolTipTemplate || column.hasToolTipTemplateSelector)
{
if (column.SetCellBoundToolTip)
{
var dataContextHelper = new DataContextHelper
{
Record = dataContext,
Value = dataContext.Value
};
tooltip.Content = dataContextHelper;
if (column.hasToolTipTemplate)
{
tooltip.ContentTemplate = column.ToolTipTemplate;
}
else if (column.hasToolTipTemplateSelector)
{
tooltip.ContentTemplateSelector = column.ToolTipTemplateSelector;
}
}
else
{
tooltip.Content = dataContext.Value;
}
}
else
{
var displayText = Convert.ToString(dataContext.Value);
tooltip.Content = displayText;
if (string.IsNullOrEmpty(displayText))
{
tooltip.IsEnabled = false;
}
}
//Specifies to raise tooltip opening event for the corresponding cell
if (dataColumn.RaiseCellToolTipOpening(tooltip))
{
ToolTipService.SetToolTip(uiElement, tooltip);
}
else
{
uiElement.ClearValue(ToolTipService.ToolTipProperty);
}
}
/// <summary>
/// Updates the tool tip for GridCell.
/// </summary>
/// <param name="dataColumn">Which holds GridColumn, Row Column Index and GridCell</param>
public override void UpdateToolTip(DataColumnBase dataColumn)
{
var uiElement = dataColumn.ColumnElement;
var column = dataColumn.GridColumn;
if (dataColumn.IsEditing || column == null || !column.ShowToolTip ||
this is GridSummaryCellRenderer || this is GridCaptionSummaryCellRenderer ||
this is GridTableSummaryCellRenderer)
{
uiElement.ClearValue(ToolTipService.ToolTipProperty);
return;
}
object dataContext = dataColumn.ColumnElement.DataContext;
var obj = ToolTipService.GetToolTip(uiElement);
ToolTip tooltip;
if (obj is ToolTip)
{
tooltip = obj as ToolTip;
}
else
{
tooltip = new ToolTip();
}
if (column.hasToolTipTemplate || column.hasToolTipTemplateSelector)
{
if (column.SetCellBoundToolTip)
{
var dataContextHelper = new DataContextHelper {
Record = dataContext
};
dataContextHelper.SetValueBinding(column.DisplayBinding, dataContext);
tooltip.Content = dataContextHelper;
}
else
{
tooltip.Content = dataContext;
}
if (column.hasToolTipTemplate)
{
tooltip.ContentTemplate = column.ToolTipTemplate;
}
else if (column.hasToolTipTemplateSelector)
{
tooltip.ContentTemplateSelector = column.ToolTipTemplateSelector;
}
}
else
{
//UWP-2846 - ToolTip value shown as namespace of the boolean instead of value either True or False for the CheckBoxColumn in UWP
//So removed the code to set binding for ToolTip and assigned the cell value directly to the Content property
//tooltip.SetBinding(ContentControl.ContentProperty, column.DisplayBinding);
var provider = column.DataGrid.View.GetPropertyAccessProvider();
if (provider != null)
{
var displayText = Convert.ToString(provider.GetDisplayValue(dataColumn.ColumnElement.DataContext, column.MappingName, column.UseBindingValue));
tooltip.Content = displayText;
if (string.IsNullOrEmpty(displayText))
{
tooltip.IsEnabled = false;
}
}
}
//WPF -23277 Unbound column display and value binding has been created based on its dummy mapping name. hence this content will be null.
// so that have set the tooltip content directly for unbound column
if (column.IsUnbound)
{
var unboundCellValue = Convert.ToString(this.DataGrid.GetUnBoundCellValue(column, dataColumn.ColumnElement.DataContext));
tooltip.Content = unboundCellValue;
if (string.IsNullOrEmpty(unboundCellValue))
{
tooltip.IsEnabled = false;
}
}
//Specifies to raise tooltip opening event for the corresponding cell
if (dataColumn.RaiseCellToolTipOpening(tooltip))
{
ToolTipService.SetToolTip(uiElement, tooltip);
}
else
{
uiElement.ClearValue(ToolTipService.ToolTipProperty);
}
}