public static void DefaultColumnFiller(ListView.ColumnHeaderCollection c)
{
c.Add("ID");
c.Add("Time").Width = -2;
c.Add("Type").Width = -2;
c.Add("Data").Width = -2;
}
public void ColumnHeaderCollection_RemoveAt_HasHandle_Success()
{
var listView = new ListView();
var collection = new ListView.ColumnHeaderCollection(listView);
var header = new ColumnHeader();
collection.Add(header);
collection.Add(new ColumnHeader());
collection.Add(new ColumnHeader());
collection.Add(new ColumnHeader());
Assert.NotEqual(IntPtr.Zero, listView.Handle);
// Remove from start.
collection.RemoveAt(0);
Assert.Equal(3, collection.Count);
Assert.Equal(0, collection[0].DisplayIndex);
Assert.Equal(1, collection[1].DisplayIndex);
Assert.Equal(2, collection[2].DisplayIndex);
// Remove from middle.
collection.RemoveAt(1);
Assert.Equal(2, collection.Count);
Assert.Equal(0, collection[0].DisplayIndex);
Assert.Equal(1, collection[1].DisplayIndex);
// Remove from end.
collection.RemoveAt(1);
Assert.Single(collection);
Assert.Equal(0, collection[0].DisplayIndex);
// Remove only.
collection.RemoveAt(0);
Assert.Empty(collection);
Assert.Null(header.ListView);
}
public void ColumnHeaderCollection_Add_InvalidTextAlign_ThrowsInvalidEnumArgumentException(HorizontalAlignment textAlign)
{
var listView = new ListView();
var collection = new ListView.ColumnHeaderCollection(listView);
Assert.Throws <InvalidEnumArgumentException>("value", () => collection.Add("text", 1, textAlign));
Assert.Throws <InvalidEnumArgumentException>("value", () => collection.Add("name", "text", 1, textAlign, "imageKey"));
Assert.Throws <InvalidEnumArgumentException>("value", () => collection.Add("name", "text", 1, textAlign, 1));
}
public void ColumnHeaderCollection_Add_ExistsInSameCollection_ThrowsArgumentException()
{
var listView = new ListView();
var collection = new ListView.ColumnHeaderCollection(listView);
var header = new ColumnHeader();
collection.Add(header);
Assert.Throws <ArgumentException>("ch", () => collection.Add(header));
}
public void ColumnHeaderCollection_ContainsKey_Invoke_ReturnsExpected(string key, bool expected)
{
var listView = new ListView();
var collection = new ListView.ColumnHeaderCollection(listView);
var header1 = new ColumnHeader();
var header2 = new ColumnHeader();
header2.Name = "text";
collection.Add(header1);
collection.Add(header2);
Assert.Equal(expected, collection.ContainsKey(key));
}
public void ColumnHeaderCollection_Item_GetString_ReturnsExpected(string key, int expectedIndex)
{
var listView = new ListView();
var collection = new ListView.ColumnHeaderCollection(listView);
var header1 = new ColumnHeader();
var header2 = new ColumnHeader();
header2.Name = "text";
collection.Add(header1);
collection.Add(header2);
Assert.Equal(expectedIndex != -1 ? collection[expectedIndex] : null, collection[key]);
}
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
ObjectListView instance = null;
if (context != null)
{
instance = context.Instance as ObjectListView;
}
if (instance == null)
{
Debug.WriteLine("context.Instance was NOT an ObjectListView");
ListView.ColumnHeaderCollection headers = (ListView.ColumnHeaderCollection)value;
if (headers.Count == 0)
{
headers.Add(new OLVColumn());
instance = (ObjectListView)headers[0].ListView;
headers.Clear();
instance.AllColumns.Clear();
}
else
{
instance = (ObjectListView)headers[0].ListView;
}
}
base.EditValue(context, provider, instance.AllColumns);
List <OLVColumn> filteredColumns = instance.GetFilteredColumns(View.Details);
instance.Columns.Clear();
instance.Columns.AddRange(filteredColumns.ToArray());
return(instance.Columns);
}
public void ColumnHeaderCollection_Remove_ColumnHeader_Success()
{
var listView = new ListView();
var collection = new ListView.ColumnHeaderCollection(listView);
var header = new ColumnHeader();
collection.Add(header);
// Remove null.
collection.Remove(null);
Assert.Same(header, Assert.Single(collection));
collection.Remove(header);
Assert.Empty(collection);
Assert.Null(header.ListView);
Assert.Equal(-1, header.Index);
Assert.Equal(-1, header.DisplayIndex);
// Remove again.
collection.Remove(header);
Assert.Empty(collection);
Assert.Null(header.ListView);
Assert.Equal(-1, header.Index);
Assert.Equal(-1, header.DisplayIndex);
}
public void ColumnHeaderCollection_Add_NullItem_ThrowsArgumentNullException()
{
var listView = new ListView();
var collection = new ListView.ColumnHeaderCollection(listView);
Assert.Throws <ArgumentNullException>("ch", () => collection.Add((ColumnHeader)null));
}
public void ColumnHeaderCollection_IListAdd_InvalidValue_ThrowsArgumentException(object value)
{
var listView = new ListView();
IList collection = new ListView.ColumnHeaderCollection(listView);
Assert.Throws <ArgumentException>("value", () => collection.Add(value));
}
public void ColumnHeaderCollection_Clear_InvokeTileWithHandle_Success()
{
var listView = new ListView
{
View = View.Tile
};
var collection = new ListView.ColumnHeaderCollection(listView);
var header = new ColumnHeader();
collection.Add(header);
Assert.NotEqual(IntPtr.Zero, listView.Handle);
collection.Clear();
Assert.Empty(collection);
Assert.Null(header.ListView);
Assert.Equal(-1, header.Index);
Assert.Equal(0, header.DisplayIndex);
// Clear again.
collection.Clear();
Assert.Empty(collection);
Assert.Null(header.ListView);
Assert.Equal(-1, header.Index);
Assert.Equal(0, header.DisplayIndex);
}
public void ColumnHeaderCollection_IListItem_Set_ThrowsNotSupportedException(int index)
{
var listView = new ListView();
IList collection = new ListView.ColumnHeaderCollection(listView);
collection.Add(new ColumnHeader());
Assert.Throws <NotSupportedException>(() => collection[index] = new ColumnHeader());
}
public void ColumnHeaderCollection_IListItem_GetInvalidIndex_ThrowsArgumentOutOfRangeException(int index)
{
var listView = new ListView();
IList collection = new ListView.ColumnHeaderCollection(listView);
collection.Add(new ColumnHeader());
Assert.Throws <ArgumentOutOfRangeException>("index", () => collection[index]);
}
public void ColumnHeaderCollection_IndexOfKey_Invoke_ReturnsExpected(string key, int expected)
{
var listView = new ListView();
var collection = new ListView.ColumnHeaderCollection(listView);
var header1 = new ColumnHeader();
var header2 = new ColumnHeader();
header2.Name = "text";
collection.Add(header1);
collection.Add(header2);
Assert.Equal(expected, collection.IndexOfKey(key));
// Call again to validate caching behaviour.
Assert.Equal(expected, collection.IndexOfKey(key));
Assert.Equal(-1, collection.IndexOfKey("noSuchKey"));
}
public void ColumnHeaderCollection_RemoveAt_InvalidIndex_ThrowsArgumentOutOfRangeException(int index)
{
var listView = new ListView();
var collection = new ListView.ColumnHeaderCollection(listView);
collection.Add(new ColumnHeader());
Assert.Throws <ArgumentOutOfRangeException>("index", () => collection.RemoveAt(index));
}
public void ColumnHeaderCollection_IListItem_GetValidIndex_ReturnsExpected()
{
using var listView = new ListView();
IList collection = new ListView.ColumnHeaderCollection(listView);
using var header = new ColumnHeader();
collection.Add(header);
Assert.Same(header, collection[0]);
}
public void ColumnHeaderCollection_IList_Add_Success()
{
var listView = new ListView();
var collection = new ListView.ColumnHeaderCollection(listView);
var header = new ColumnHeader();
collection.Add(header);
Assert.Same(header, Assert.Single(collection));
Assert.Equal(listView, header.ListView);
}
public void ColumnHeaderCollection_Add_String_Success(string text, string expectedText)
{
var listView = new ListView();
var collection = new ListView.ColumnHeaderCollection(listView);
collection.Add(text);
ColumnHeader header = Assert.Single(collection.Cast <ColumnHeader>());
Assert.Same(expectedText, header.Text);
Assert.Equal(listView, header.ListView);
}
public void ColumnHeaderCollection_IListRemove_InvalidItem_Nop(object value)
{
var listView = new ListView();
IList collection = new ListView.ColumnHeaderCollection(listView);
var header = new ColumnHeader();
collection.Add(header);
collection.Remove(value);
Assert.Same(header, Assert.Single(collection));
}
public void ColumnHeaderCollection_Add_String_Int_Success(string text, int width)
{
var listView = new ListView();
var collection = new ListView.ColumnHeaderCollection(listView);
collection.Add(text, width);
ColumnHeader header = Assert.Single(collection.Cast <ColumnHeader>());
Assert.Equal(text ?? string.Empty, header.Text);
Assert.Equal(width, header.Width);
Assert.Equal(listView, header.ListView);
}
public void ColumnHeaderCollection_Add_ColumnHeader_Success()
{
using var listView = new ListView();
var collection = new ListView.ColumnHeaderCollection(listView);
using var header = new ColumnHeader();
collection.Add(header);
Assert.Same(header, Assert.Single(collection));
Assert.Equal(listView, header.ListView);
Assert.Equal(0, header.Index);
Assert.Equal(0, header.DisplayIndex);
}
public void ColumnHeaderCollection_IndexOf_Invoke_ReturnsExpected()
{
var listView = new ListView();
var collection = new ListView.ColumnHeaderCollection(listView);
var header = new ColumnHeader();
collection.Add(header);
Assert.Equal(0, collection.IndexOf(header));
Assert.Equal(-1, collection.IndexOf(new ColumnHeader()));
Assert.Equal(-1, collection.IndexOf(null));
}
public void ColumnHeaderCollection_IListInsert_ColumnHeader_Success()
{
var listView = new ListView();
IList collection = new ListView.ColumnHeaderCollection(listView);
var header = new ColumnHeader();
collection.Add(new ColumnHeader());
collection.Insert(1, header);
Assert.Equal(2, collection.Count);
Assert.Same(header, collection[1]);
Assert.Same(listView, header.ListView);
}
public void ColumnHeaderCollection_Add_String_String_Success(string name, string text)
{
var listView = new ListView();
var collection = new ListView.ColumnHeaderCollection(listView);
collection.Add(name, text);
ColumnHeader header = Assert.Single(collection.Cast <ColumnHeader>());
Assert.Equal(name ?? string.Empty, header.Name);
Assert.Equal(text ?? string.Empty, header.Text);
Assert.Equal(listView, header.ListView);
}
public void ColumnHeaderCollection_Contains_Invoke_ReturnsExpected()
{
var listView = new ListView();
var collection = new ListView.ColumnHeaderCollection(listView);
var header = new ColumnHeader();
collection.Add(header);
Assert.True(collection.Contains(header));
Assert.False(collection.Contains(new ColumnHeader()));
Assert.False(collection.Contains(null));
}
public void ColumnHeaderCollection_Add_String_Int_HorizontalAlignment_Success(string text, int width, HorizontalAlignment textAlign, string expectedText)
{
var listView = new ListView();
var collection = new ListView.ColumnHeaderCollection(listView);
collection.Add(text, width, textAlign);
ColumnHeader header = Assert.Single(collection.Cast <ColumnHeader>());
Assert.Equal(expectedText, header.Text);
Assert.Equal(width, header.Width);
Assert.Equal(textAlign, header.TextAlign);
Assert.Equal(listView, header.ListView);
}
public void ColumnHeaderCollection_Add_String_String_Int_Success(string name, string text, int width, string expectedName, string expectedText)
{
var listView = new ListView();
var collection = new ListView.ColumnHeaderCollection(listView);
collection.Add(name, text, width);
ColumnHeader header = Assert.Single(collection.Cast <ColumnHeader>());
Assert.Same(expectedName, header.Name);
Assert.Same(expectedText, header.Text);
Assert.Equal(width, header.Width);
Assert.Equal(listView, header.ListView);
}
public void ColumnHeaderCollection_CopyTo_NonEmpty_Success()
{
var listView = new ListView();
IList collection = new ListView.ColumnHeaderCollection(listView);
var header = new ColumnHeader();
collection.Add(header);
var array = new object[] { 1, 2, 3 };
collection.CopyTo(array, 1);
Assert.Equal(new object[] { 1, header, 3 }, array);
}
public void ColumnHeaderCollection_Add_String_String_Int_HorizontalAlignment_String_Success(string name, string text, int width, HorizontalAlignment textAlign, string imageKey)
{
var listView = new ListView();
var collection = new ListView.ColumnHeaderCollection(listView);
collection.Add(name, text, width, textAlign, imageKey);
ColumnHeader header = Assert.Single(collection.Cast <ColumnHeader>());
Assert.Equal(name ?? string.Empty, header.Name);
Assert.Equal(text ?? string.Empty, header.Text);
Assert.Equal(width, header.Width);
Assert.Equal(textAlign, header.TextAlign);
Assert.Equal(imageKey ?? string.Empty, header.ImageKey);
Assert.Equal(listView, header.ListView);
}
/// <summary>
/// Edit a given value
/// </summary>
/// <param name="context"></param>
/// <param name="provider"></param>
/// <param name="value"></param>
/// <returns></returns>
public override object EditValue(ITypeDescriptorContext context, IServiceProvider provider, object value)
{
// Figure out which ObjectListView we are working on. This should be the Instance of the context.
ObjectListView olv = null;
if (context != null)
{
olv = context.Instance as ObjectListView;
}
if (olv == null)
{
//THINK: Can this ever happen?
System.Diagnostics.Debug.WriteLine("context.Instance was NOT an ObjectListView");
// Hack to figure out which ObjectListView we are working on
ListView.ColumnHeaderCollection cols = (ListView.ColumnHeaderCollection)value;
if (cols.Count == 0)
{
cols.Add(new OLVColumn());
olv = (ObjectListView)cols[0].ListView;
cols.Clear();
olv.AllColumns.Clear();
}
else
{
olv = (ObjectListView)cols[0].ListView;
}
}
// Edit all the columns, not just the ones that are visible
base.EditValue(context, provider, olv.AllColumns);
// Calculate just the visible columns
List <OLVColumn> newColumns = olv.GetFilteredColumns(View.Details);
olv.Columns.Clear();
olv.Columns.AddRange(newColumns.ToArray());
return(olv.Columns);
}
