|
//------------------------------------------------------------------------------
// <copyright file="DataGridTableCollection.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Windows.Forms {
using System.Diagnostics;
using System;
using System.Collections;
using System.Windows.Forms;
using System.ComponentModel;
using System.Globalization;
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection"]/*' />
/// <devdoc>
/// <para>Represents a collection of <see cref='System.Windows.Forms.DataGridTableStyle'/> objects in the <see cref='System.Windows.Forms.DataGrid'/>
/// control.</para>
/// </devdoc>
[ListBindable(false)]
public class GridTableStylesCollection : BaseCollection ,IList {
CollectionChangeEventHandler onCollectionChanged;
ArrayList items = new ArrayList();
DataGrid owner = null;
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.IList.Add"]/*' />
/// <internalonly/>
int IList.Add(object value) {
return this.Add((DataGridTableStyle) value);
}
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.IList.Clear"]/*' />
/// <internalonly/>
void IList.Clear() {
this.Clear();
}
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.IList.Contains"]/*' />
/// <internalonly/>
bool IList.Contains(object value) {
return items.Contains(value);
}
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.IList.IndexOf"]/*' />
/// <internalonly/>
int IList.IndexOf(object value) {
return items.IndexOf(value);
}
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.IList.Insert"]/*' />
/// <internalonly/>
void IList.Insert(int index, object value) {
throw new NotSupportedException();
}
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.IList.Remove"]/*' />
/// <internalonly/>
void IList.Remove(object value) {
this.Remove((DataGridTableStyle)value);
}
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.IList.RemoveAt"]/*' />
/// <internalonly/>
void IList.RemoveAt(int index) {
this.RemoveAt(index);
}
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.IList.IsFixedSize"]/*' />
/// <internalonly/>
bool IList.IsFixedSize {
get {return false;}
}
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.IList.IsReadOnly"]/*' />
/// <internalonly/>
bool IList.IsReadOnly {
get {return false;}
}
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.IList.this"]/*' />
/// <internalonly/>
object IList.this[int index] {
get { return items[index]; }
set { throw new NotSupportedException(); }
}
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.ICollection.CopyTo"]/*' />
/// <internalonly/>
void ICollection.CopyTo(Array array, int index) {
this.items.CopyTo(array, index);
}
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.ICollection.Count"]/*' />
/// <internalonly/>
int ICollection.Count {
get {return this.items.Count;}
}
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.ICollection.IsSynchronized"]/*' />
/// <internalonly/>
bool ICollection.IsSynchronized {
get {return false;}
}
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.ICollection.SyncRoot"]/*' />
/// <internalonly/>
object ICollection.SyncRoot {
get {return this;}
}
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.IEnumerable.GetEnumerator"]/*' />
/// <internalonly/>
IEnumerator IEnumerable.GetEnumerator() {
return items.GetEnumerator();
}
internal GridTableStylesCollection(DataGrid grid) {
owner = grid;
}
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.List"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
protected override ArrayList List {
get {
return items;
}
}
/* implemented in BaseCollection
/// <summary>
/// Retrieves the number of GridTables in the collection.
/// </summary>
/// <returns>
/// The number of GridTables in the collection.
/// </returns>
public override int Count {
get {
return items.Count;
}
}
*/
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.this"]/*' />
/// <devdoc>
/// Retrieves the DataGridTable with the specified index.
/// </devdoc>
public DataGridTableStyle this[int index] {
get {
return (DataGridTableStyle)items[index];
}
}
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.this1"]/*' />
/// <devdoc>
/// Retrieves the DataGridTable with the name provided.
/// </devdoc>
public DataGridTableStyle this[string tableName] {
get {
if (tableName == null)
throw new ArgumentNullException("tableName");
int itemCount = items.Count;
for (int i = 0; i < itemCount; ++i) {
DataGridTableStyle table = (DataGridTableStyle)items[i];
// NOTE: case-insensitive
if (String.Equals(table.MappingName, tableName, StringComparison.OrdinalIgnoreCase))
return table;
}
return null;
}
}
internal void CheckForMappingNameDuplicates(DataGridTableStyle table) {
if (String.IsNullOrEmpty(table.MappingName))
return;
for (int i = 0; i < items.Count; i++)
if ( ((DataGridTableStyle)items[i]).MappingName.Equals(table.MappingName) && table != items[i])
throw new ArgumentException(SR.GetString(SR.DataGridTableStyleDuplicateMappingName), "table");
}
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.Add"]/*' />
/// <devdoc>
/// <para>Adds a <see cref='System.Windows.Forms.DataGridTableStyle'/> to this collection.</para>
/// </devdoc>
public virtual int Add(DataGridTableStyle table) {
// set the rowHeaderWidth on the newly added table to at least the minimum value
// on its owner
if (this.owner != null && this.owner.MinimumRowHeaderWidth() > table.RowHeaderWidth)
table.RowHeaderWidth = this.owner.MinimumRowHeaderWidth();
if (table.DataGrid != owner && table.DataGrid != null)
throw new ArgumentException(SR.GetString(SR.DataGridTableStyleCollectionAddedParentedTableStyle), "table");
table.DataGrid = owner;
CheckForMappingNameDuplicates(table);
table.MappingNameChanged += new EventHandler(TableStyleMappingNameChanged);
int index = items.Add(table);
OnCollectionChanged(new CollectionChangeEventArgs(CollectionChangeAction.Add, table));
return index;
}
private void TableStyleMappingNameChanged(object sender, EventArgs pcea) {
OnCollectionChanged(new CollectionChangeEventArgs(CollectionChangeAction.Refresh, null));
}
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.AddRange"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public virtual void AddRange(DataGridTableStyle[] tables) {
if (tables == null) {
throw new ArgumentNullException("tables");
}
foreach(DataGridTableStyle table in tables) {
table.DataGrid = owner;
table.MappingNameChanged += new EventHandler(TableStyleMappingNameChanged);
items.Add(table);
}
OnCollectionChanged(new CollectionChangeEventArgs(CollectionChangeAction.Refresh, null));
}
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.CollectionChanged"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public event CollectionChangeEventHandler CollectionChanged {
add {
onCollectionChanged += value;
}
remove {
onCollectionChanged -= value;
}
}
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.Clear"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public void Clear() {
for (int i = 0; i < items.Count; i++) {
DataGridTableStyle element = (DataGridTableStyle)items[i];
element.MappingNameChanged -= new EventHandler(TableStyleMappingNameChanged);
}
items.Clear();
OnCollectionChanged(new CollectionChangeEventArgs(CollectionChangeAction.Refresh, null));
}
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.Contains"]/*' />
/// <devdoc>
/// Checks to see if a DataGridTableStyle is contained in this collection.
/// </devdoc>
public bool Contains(DataGridTableStyle table) {
int index = items.IndexOf(table);
return index != -1;
}
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.Contains1"]/*' />
/// <devdoc>
/// <para>Checks to see if a <see cref='System.Windows.Forms.DataGridTableStyle'/> with the given name
/// is contained in this collection.</para>
/// </devdoc>
public bool Contains(string name) {
int itemCount = items.Count;
for (int i = 0; i < itemCount; ++i) {
DataGridTableStyle table = (DataGridTableStyle)items[i];
// NOTE: case-insensitive
if (String.Compare(table.MappingName, name, true, CultureInfo.InvariantCulture) == 0)
return true;
}
return false;
}
/*
public override IEnumerator GetEnumerator() {
return items.GetEnumerator();
}
public override IEnumerator GetEnumerator(bool allowRemove) {
if (!allowRemove)
return GetEnumerator();
else
throw new NotSupportedException(SR.GetString(SR.DataGridTableCollectionGetEnumerator));
}
*/
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.OnCollectionChanged"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
protected void OnCollectionChanged(CollectionChangeEventArgs e) {
if (onCollectionChanged != null)
onCollectionChanged(this, e);
DataGrid grid = owner;
if (grid != null) {
/* FOR DEMO: Microsoft: TableStylesCollection::OnCollectionChanged: set the datagridtble
DataView dataView = ((DataView) grid.DataSource);
if (dataView != null) {
DataTable dataTable = dataView.Table;
if (dataTable != null) {
if (Contains(dataTable)) {
grid.SetDataGridTable(this[dataTable]);
}
}
}
*/
grid.checkHierarchy = true;
}
}
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.Remove"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public void Remove(DataGridTableStyle table) {
int tableIndex = -1;
int itemsCount = items.Count;
for (int i = 0; i < itemsCount; ++i)
if (items[i] == table) {
tableIndex = i;
break;
}
if (tableIndex == -1)
throw new ArgumentException(SR.GetString(SR.DataGridTableCollectionMissingTable), "table");
else
RemoveAt(tableIndex);
}
/// <include file='doc\DataGridTableCollection.uex' path='docs/doc[@for="GridTableStylesCollection.RemoveAt"]/*' />
/// <devdoc>
/// <para>[To be supplied.]</para>
/// </devdoc>
public void RemoveAt(int index) {
DataGridTableStyle element = (DataGridTableStyle)items[index];
element.MappingNameChanged -= new EventHandler(TableStyleMappingNameChanged);
items.RemoveAt(index);
OnCollectionChanged(new CollectionChangeEventArgs(CollectionChangeAction.Remove, element));
}
}
}
|