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vijayarasanvijayarasan
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Merge pull request #2 from Rabina4363sf/patch-1
KB-11372-Update README.md
2 parents 68278fe + 39734b3 commit a02991b

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‎README.md‎

Lines changed: 172 additions & 173 deletions
Original file line numberDiff line numberDiff line change
@@ -21,34 +21,34 @@ IPropertyAccessProvider reflector = null;
2121
/// </summary>
2222
private void OnItemsSourceChanged(object sender, GridItemsSourceChangedEventArgs e)
2323
{
24-
if (sfDataGrid.View != null)
25-
reflector = sfDataGrid.View.GetPropertyAccessProvider();
26-
else
27-
reflector = null;
24+
if (sfDataGrid.View != null)
25+
reflector = sfDataGrid.View.GetPropertyAccessProvider();
26+
else
27+
reflector = null;
2828
}
2929

3030
/// <summary>
3131
/// QueryCoveredRange event handler
3232
/// </summary>
3333
private void OnQueryCoveredRange(object sender, GridQueryCoveredRangeEventArgs e)
3434
{
35-
CoveredCellInfo range = null;
35+
CoveredCellInfo range = null;
3636

37-
////here apply merge the cell based on Columns
38-
if (e.GridColumn.MappingName == "Product" || e.GridColumn.MappingName == "Country" )
39-
range = GetRange(e.GridColumn, e.RowColumnIndex.RowIndex, e.RowColumnIndex.ColumnIndex, e.Record);
37+
////here apply merge the cell based on Columns
38+
if (e.GridColumn.MappingName == "Product" || e.GridColumn.MappingName == "Country")
39+
range = GetRange(e.GridColumn, e.RowColumnIndex.RowIndex, e.RowColumnIndex.ColumnIndex, e.Record);
4040

41-
if (range == null)
42-
return;
41+
if (range == null)
42+
return;
4343

44-
// You can know that the range is already exist in Covered Cells by IsInRange method.
45-
if (!sfDataGrid.CoveredCells.IsInRange(range))
46-
{
47-
e.Range = range;
48-
e.Handled = true;
49-
}
44+
// You can know that the range is already exist in Covered Cells by IsInRange method.
45+
if (!sfDataGrid.CoveredCells.IsInRange(range))
46+
{
47+
e.Range = range;
48+
e.Handled = true;
49+
}
5050

51-
//If the calculated range is already exist in CoveredCells, you can get the range using SfDataGrid.GetConflictRange (CoveredCellInfo coveredCellInfo) extension method.
51+
//If the calculated range is already exist in CoveredCells, you can get the range using SfDataGrid.GetConflictRange (CoveredCellInfo coveredCellInfo) extension method.
5252
}
5353

5454
/// <summary>
@@ -60,162 +60,161 @@ private void OnQueryCoveredRange(object sender, GridQueryCoveredRangeEventArgs e
6060
/// <param name="rowData"></param>
6161
/// <returns> Compares the adjacent cell value and returns the range </returns>
6262
/// <remark> If the method find that the adjacent values are equal by horizontal then it will merge vertically. And vice versa</remarks>
63-
private CoveredCellInfo GetRange(GridColumn column, int rowIndex, int columnIndex, object rowData)
64-
{
65-
var range = new CoveredCellInfo(columnIndex, columnIndex, rowIndex, rowIndex);
66-
object data = reflector.GetFormattedValue(rowData, column.MappingName);
67-
68-
//here get the Product value for checking other cell value
69-
string productData = (rowData as ProductSalesDetails).Product;
70-
71-
GridColumn leftColumn = null;
72-
GridColumn rightColumn = null;
73-
74-
// total rows count.
75-
int recordsCount = this.sfDataGrid.GroupColumnDescriptions.Count != 0 ?
76-
(this.sfDataGrid.View.TopLevelGroup.DisplayElements.Count + this.sfDataGrid.TableSummaryRows.Count + this.sfDataGrid.UnboundRows.Count + (this.sfDataGrid.AddNewRowPosition == AddNewRowPosition.Top ? +1 : 0)) :
77-
(this.sfDataGrid.View.Records.Count + this.sfDataGrid.TableSummaryRows.Count + this.sfDataGrid.UnboundRows.Count + (this.sfDataGrid.AddNewRowPosition == AddNewRowPosition.Top ? +1 : 0));
78-
79-
// Merge Horizontally
80-
81-
// compare right column
82-
for (int i = sfDataGrid.Columns.IndexOf(column); i < this.sfDataGrid.Columns.Count - 1; i++)
83-
{
84-
var compareData = reflector.GetFormattedValue(rowData, sfDataGrid.Columns[i + 1].MappingName);
85-
86-
if (compareData == null)
87-
break;
88-
89-
if (!compareData.Equals(data))
90-
break;
91-
rightColumn = sfDataGrid.Columns[i + 1];
92-
}
93-
94-
// compare left column.
95-
for (int i = sfDataGrid.Columns.IndexOf(column); i > 0; i--)
96-
{
97-
var compareData = reflector.GetFormattedValue(rowData, sfDataGrid.Columns[i - 1].MappingName);
98-
99-
if (compareData == null)
100-
break;
101-
102-
if (!compareData.Equals(data))
103-
break;
104-
leftColumn = sfDataGrid.Columns[i - 1];
105-
}
106-
107-
if (leftColumn != null || rightColumn != null)
108-
{
109-
110-
// set left index
111-
if (leftColumn != null)
112-
{
113-
var leftColumnIndex = this.sfDataGrid.ResolveToScrollColumnIndex(this.sfDataGrid.Columns.IndexOf(leftColumn));
114-
range = new CoveredCellInfo(leftColumnIndex, range.Right, range.Top, range.Bottom);
115-
}
116-
117-
// set right index
118-
if (rightColumn != null)
119-
{
120-
var rightColumnIndex = this.sfDataGrid.ResolveToScrollColumnIndex(this.sfDataGrid.Columns.IndexOf(rightColumn));
121-
range = new CoveredCellInfo(range.Left, rightColumnIndex, range.Top, range.Bottom);
122-
}
123-
return range;
124-
}
125-
126-
// Merge Vertically from the row index.
127-
int previousRowIndex = -1;
128-
int nextRowIndex = -1;
129-
object previousData = null;
130-
131-
// Get previous row data.
132-
var startIndex = sfDataGrid.ResolveStartIndexBasedOnPosition();
133-
134-
for (int i = rowIndex - 1; i >= startIndex; i--)
135-
{
136-
var recordIndex = this.sfDataGrid.ResolveToRecordIndex(i);
137-
if (this.sfDataGrid.View.GroupDescriptions.Count > 0)
138-
{
139-
previousData = this.sfDataGrid.View.TopLevelGroup.DisplayElements[recordIndex];
140-
}
141-
else
142-
{
143-
var recordCount = this.sfDataGrid.View.Records.Count;
144-
previousData = (recordCount > 0 && recordIndex >= 0 && recordIndex < recordCount)
145-
? sfDataGrid.View.Records[recordIndex]
146-
: null;
147-
}
148-
149-
if (previousData == null || !(previousData as NodeEntry).IsRecords)
150-
break;
151-
var compareData = reflector.GetFormattedValue((previousData as RecordEntry).Data, column.MappingName);
152-
153-
//get the previous row data value of Product
154-
string productPreviousData = ((previousData as RecordEntry).Data as ProductSalesDetails).Product;
155-
156-
if (compareData == null)
157-
break;
158-
159-
if (!compareData.Equals(data))
160-
break;
161-
162-
//here check the value
163-
if (!productData.Equals(productPreviousData))
164-
break;
165-
166-
previousRowIndex = i;
167-
}
168-
169-
// get next row data.
170-
object nextData = null;
171-
for (int i = rowIndex + 1; i < recordsCount + 1; i++)
172-
{
173-
var recordIndex = this.sfDataGrid.ResolveToRecordIndex(i);
174-
if (this.sfDataGrid.View.GroupDescriptions.Count > 0)
175-
{
176-
nextData = this.sfDataGrid.View.TopLevelGroup.DisplayElements[recordIndex];
177-
}
178-
else
179-
{
180-
var recordCount = this.sfDataGrid.View.Records.Count;
181-
nextData = (recordCount > 0 && recordIndex >= 0 && recordIndex < recordCount)
182-
? sfDataGrid.View.Records[recordIndex]
183-
: null;
184-
}
185-
186-
if (nextData == null || !(nextData as NodeEntry).IsRecords)
187-
break;
188-
var compareData = reflector.GetFormattedValue((nextData as RecordEntry).Data, column.MappingName);
189-
190-
//get the next row data value of Product
191-
string productNextData = ((nextData as RecordEntry).Data as ProductSalesDetails).Product;
192-
193-
if (compareData == null)
194-
break;
195-
196-
if (!compareData.Equals(data))
197-
break;
198-
199-
//here check the value
200-
if (!productData.Equals(productNextData))
201-
break;
202-
203-
nextRowIndex = i;
204-
}
205-
206-
if (previousRowIndex != -1 || nextRowIndex != -1)
207-
{
208-
209-
if (previousRowIndex != -1)
210-
range = new CoveredCellInfo(range.Left, range.Right, previousRowIndex, range.Bottom);
211-
212-
if (nextRowIndex != -1)
213-
range = new CoveredCellInfo(range.Left, range.Right, range.Top, nextRowIndex);
214-
return range;
215-
}
216-
return null;
217-
}
218-
63+
private CoveredCellInfo GetRange(GridColumn column, int rowIndex, int columnIndex, object rowData)
64+
{
65+
var range = new CoveredCellInfo(columnIndex, columnIndex, rowIndex, rowIndex);
66+
object data = reflector.GetFormattedValue(rowData, column.MappingName);
67+
68+
//here get the Product value for checking other cell value
69+
string productData = (rowData as ProductSalesDetails).Product;
70+
71+
GridColumn leftColumn = null;
72+
GridColumn rightColumn = null;
73+
74+
// total rows count.
75+
int recordsCount = this.sfDataGrid.GroupColumnDescriptions.Count != 0 ?
76+
(this.sfDataGrid.View.TopLevelGroup.DisplayElements.Count + this.sfDataGrid.TableSummaryRows.Count + this.sfDataGrid.UnboundRows.Count + (this.sfDataGrid.AddNewRowPosition == AddNewRowPosition.Top ? +1 : 0)) :
77+
(this.sfDataGrid.View.Records.Count + this.sfDataGrid.TableSummaryRows.Count + this.sfDataGrid.UnboundRows.Count + (this.sfDataGrid.AddNewRowPosition == AddNewRowPosition.Top ? +1 : 0));
78+
79+
// Merge Horizontally
80+
81+
// compare right column
82+
for (int i = sfDataGrid.Columns.IndexOf(column); i < this.sfDataGrid.Columns.Count - 1; i++)
83+
{
84+
var compareData = reflector.GetFormattedValue(rowData, sfDataGrid.Columns[i + 1].MappingName);
85+
86+
if (compareData == null)
87+
break;
88+
89+
if (!compareData.Equals(data))
90+
break;
91+
rightColumn = sfDataGrid.Columns[i + 1];
92+
}
93+
94+
// compare left column.
95+
for (int i = sfDataGrid.Columns.IndexOf(column); i > 0; i--)
96+
{
97+
var compareData = reflector.GetFormattedValue(rowData, sfDataGrid.Columns[i - 1].MappingName);
98+
99+
if (compareData == null)
100+
break;
101+
102+
if (!compareData.Equals(data))
103+
break;
104+
leftColumn = sfDataGrid.Columns[i - 1];
105+
}
106+
107+
if (leftColumn != null || rightColumn != null)
108+
{
109+
110+
// set left index
111+
if (leftColumn != null)
112+
{
113+
var leftColumnIndex = this.sfDataGrid.ResolveToScrollColumnIndex(this.sfDataGrid.Columns.IndexOf(leftColumn));
114+
range = new CoveredCellInfo(leftColumnIndex, range.Right, range.Top, range.Bottom);
115+
}
116+
117+
// set right index
118+
if (rightColumn != null)
119+
{
120+
var rightColumnIndex = this.sfDataGrid.ResolveToScrollColumnIndex(this.sfDataGrid.Columns.IndexOf(rightColumn));
121+
range = new CoveredCellInfo(range.Left, rightColumnIndex, range.Top, range.Bottom);
122+
}
123+
return range;
124+
}
125+
126+
// Merge Vertically from the row index.
127+
int previousRowIndex = -1;
128+
int nextRowIndex = -1;
129+
object previousData = null;
130+
131+
// Get previous row data.
132+
var startIndex = sfDataGrid.ResolveStartIndexBasedOnPosition();
133+
134+
for (int i = rowIndex - 1; i >= startIndex; i--)
135+
{
136+
var recordIndex = this.sfDataGrid.ResolveToRecordIndex(i);
137+
if (this.sfDataGrid.View.GroupDescriptions.Count > 0)
138+
{
139+
previousData = this.sfDataGrid.View.TopLevelGroup.DisplayElements[recordIndex];
140+
}
141+
else
142+
{
143+
var recordCount = this.sfDataGrid.View.Records.Count;
144+
previousData = (recordCount > 0 && recordIndex >= 0 && recordIndex < recordCount)
145+
? sfDataGrid.View.Records[recordIndex]
146+
: null;
147+
}
148+
149+
if (previousData == null || !(previousData as NodeEntry).IsRecords)
150+
break;
151+
var compareData = reflector.GetFormattedValue((previousData as RecordEntry).Data, column.MappingName);
152+
153+
//get the previous row data value of Product
154+
string productPreviousData = ((previousData as RecordEntry).Data as ProductSalesDetails).Product;
155+
156+
if (compareData == null)
157+
break;
158+
159+
if (!compareData.Equals(data))
160+
break;
161+
162+
//here check the value
163+
if (!productData.Equals(productPreviousData))
164+
break;
165+
166+
previousRowIndex = i;
167+
}
168+
169+
// get next row data.
170+
object nextData = null;
171+
for (int i = rowIndex + 1; i < recordsCount + 1; i++)
172+
{
173+
var recordIndex = this.sfDataGrid.ResolveToRecordIndex(i);
174+
if (this.sfDataGrid.View.GroupDescriptions.Count > 0)
175+
{
176+
nextData = this.sfDataGrid.View.TopLevelGroup.DisplayElements[recordIndex];
177+
}
178+
else
179+
{
180+
var recordCount = this.sfDataGrid.View.Records.Count;
181+
nextData = (recordCount > 0 && recordIndex >= 0 && recordIndex < recordCount)
182+
? sfDataGrid.View.Records[recordIndex]
183+
: null;
184+
}
185+
186+
if (nextData == null || !(nextData as NodeEntry).IsRecords)
187+
break;
188+
var compareData = reflector.GetFormattedValue((nextData as RecordEntry).Data, column.MappingName);
189+
190+
//get the next row data value of Product
191+
string productNextData = ((nextData as RecordEntry).Data as ProductSalesDetails).Product;
192+
193+
if (compareData == null)
194+
break;
195+
196+
if (!compareData.Equals(data))
197+
break;
198+
199+
//here check the value
200+
if (!productData.Equals(productNextData))
201+
break;
202+
203+
nextRowIndex = i;
204+
}
205+
206+
if (previousRowIndex != -1 || nextRowIndex != -1)
207+
{
208+
209+
if (previousRowIndex != -1)
210+
range = new CoveredCellInfo(range.Left, range.Right, previousRowIndex, range.Bottom);
211+
212+
if (nextRowIndex != -1)
213+
range = new CoveredCellInfo(range.Left, range.Right, range.Top, nextRowIndex);
214+
return range;
215+
}
216+
return null;
217+
}
219218
```
220219

221220
The following screenshot shows the merged cells in DataGrid,

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