DataGridTableCollection.cs source code in C# .NET

                        
Code:
                         / Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / fx / src / WinForms / Managed / System / WinForms / DataGridTableCollection.cs / 1 / DataGridTableCollection.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

 
namespace System.Windows.Forms { 

    using System.Diagnostics; 

    using System;
    using System.Collections;
    using System.Windows.Forms; 
    using System.ComponentModel;
    using System.Globalization; 
 
    /// 
    ///  
    /// Represents a collection of  objects in the 
    /// control.
    /// 
    [ListBindable(false)] 
    public class GridTableStylesCollection : BaseCollection ,IList {
        CollectionChangeEventHandler onCollectionChanged; 
        ArrayList        items = new ArrayList(); 
        DataGrid         owner  = null;
 
        /// 
        /// 
        int IList.Add(object value) {
            return this.Add((DataGridTableStyle) value); 
        }
 
        ///  
        /// 
        void IList.Clear() { 
            this.Clear();
        }

        ///  
        /// 
        bool IList.Contains(object value) { 
            return items.Contains(value); 
        }
 
        /// 
        /// 
        int IList.IndexOf(object value) {
            return items.IndexOf(value); 
        }
 
        ///  
        /// 
        void IList.Insert(int index, object value) { 
            throw new NotSupportedException();
        }

        ///  
        /// 
        void IList.Remove(object value) { 
            this.Remove((DataGridTableStyle)value); 
        }
 
        /// 
        /// 
        void IList.RemoveAt(int index) {
            this.RemoveAt(index); 
        }
 
        ///  
        /// 
        bool IList.IsFixedSize { 
            get {return false;}
        }

        ///  
        /// 
        bool IList.IsReadOnly { 
            get {return false;} 
        }
 
        /// 
        /// 
        object IList.this[int index] {
            get { return items[index]; } 
            set { throw new NotSupportedException(); }
        } 
 
        /// 
        ///  
        void ICollection.CopyTo(Array array, int index) {
            this.items.CopyTo(array, index);
        }
 
        /// 
        ///  
        int ICollection.Count { 
            get {return this.items.Count;}
        } 

        /// 
        /// 
        bool ICollection.IsSynchronized { 
            get {return false;}
        } 
 
        /// 
        ///  
        object ICollection.SyncRoot {
            get {return this;}
        }
 
        /// 
        ///  
        IEnumerator IEnumerable.GetEnumerator() { 
            return items.GetEnumerator();
        } 

        internal GridTableStylesCollection(DataGrid grid) {
            owner = grid;
        } 

        ///  
        ///  
        ///    [To be supplied.]
        ///  
        protected override ArrayList List {
            get {
                return items;
            } 
        }
 
        /* implemented in BaseCollection 
        /// 

        ///      Retrieves the number of GridTables in the collection. 
        /// 
        /// 
        ///      The number of GridTables in the collection.
        ///  
        public override int Count {
            get { 
                return items.Count; 
            }
        } 
        */

        /// 
        ///  
        ///      Retrieves the DataGridTable with the specified index.
        ///  
        public DataGridTableStyle this[int index] { 
            get {
                return (DataGridTableStyle)items[index]; 
            }
        }

        ///  
        /// 
        ///      Retrieves the DataGridTable with the name provided. 
        ///  
        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");
        }

        ///  
        /// 
        /// Adds a  to this collection. 
        ///  
        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));
        } 

        /// 
        /// 
        ///    [To be supplied.] 
        /// 
        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)); 
        } 

        ///  
        /// 
        ///    [To be supplied.]
        /// 
        public event CollectionChangeEventHandler CollectionChanged { 
            add {
                onCollectionChanged += value; 
            } 
            remove {
                onCollectionChanged -= value; 
            }
        }

        ///  
        /// 
        ///    [To be supplied.] 
        ///  
        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)); 
        } 

        ///  
        /// 
        ///      Checks to see if a DataGridTableStyle is contained in this collection.
        /// 
        public bool Contains(DataGridTableStyle table) { 
            int index = items.IndexOf(table);
            return index != -1; 
        } 

        ///  
        /// 
        /// Checks to see if a  with the given name
        ///    is contained in this collection.
        ///  
        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)); 
        }
        */ 

        /// 
        /// 
        ///    [To be supplied.] 
        /// 
        protected void OnCollectionChanged(CollectionChangeEventArgs e) { 
            if (onCollectionChanged != null) 
                onCollectionChanged(this, e);
 
            DataGrid grid = owner;
            if (grid != null) {
                /* FOR DEMO: [....]: 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;
            } 
        } 

        ///  
        /// 
        ///    [To be supplied.]
        /// 
        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); 
        } 

        ///  
        /// 
        ///    [To be supplied.]
        /// 
        public void RemoveAt(int index) { 
            DataGridTableStyle element = (DataGridTableStyle)items[index];
            element.MappingNameChanged -= new EventHandler(TableStyleMappingNameChanged); 
            items.RemoveAt(index); 
            OnCollectionChanged(new CollectionChangeEventArgs(CollectionChangeAction.Remove, element));
        } 
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
//------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

 
namespace System.Windows.Forms { 

    using System.Diagnostics; 

    using System;
    using System.Collections;
    using System.Windows.Forms; 
    using System.ComponentModel;
    using System.Globalization; 
 
    /// 
    ///  
    /// Represents a collection of  objects in the 
    /// control.
    /// 
    [ListBindable(false)] 
    public class GridTableStylesCollection : BaseCollection ,IList {
        CollectionChangeEventHandler onCollectionChanged; 
        ArrayList        items = new ArrayList(); 
        DataGrid         owner  = null;
 
        /// 
        /// 
        int IList.Add(object value) {
            return this.Add((DataGridTableStyle) value); 
        }
 
        ///  
        /// 
        void IList.Clear() { 
            this.Clear();
        }

        ///  
        /// 
        bool IList.Contains(object value) { 
            return items.Contains(value); 
        }
 
        /// 
        /// 
        int IList.IndexOf(object value) {
            return items.IndexOf(value); 
        }
 
        ///  
        /// 
        void IList.Insert(int index, object value) { 
            throw new NotSupportedException();
        }

        ///  
        /// 
        void IList.Remove(object value) { 
            this.Remove((DataGridTableStyle)value); 
        }
 
        /// 
        /// 
        void IList.RemoveAt(int index) {
            this.RemoveAt(index); 
        }
 
        ///  
        /// 
        bool IList.IsFixedSize { 
            get {return false;}
        }

        ///  
        /// 
        bool IList.IsReadOnly { 
            get {return false;} 
        }
 
        /// 
        /// 
        object IList.this[int index] {
            get { return items[index]; } 
            set { throw new NotSupportedException(); }
        } 
 
        /// 
        ///  
        void ICollection.CopyTo(Array array, int index) {
            this.items.CopyTo(array, index);
        }
 
        /// 
        ///  
        int ICollection.Count { 
            get {return this.items.Count;}
        } 

        /// 
        /// 
        bool ICollection.IsSynchronized { 
            get {return false;}
        } 
 
        /// 
        ///  
        object ICollection.SyncRoot {
            get {return this;}
        }
 
        /// 
        ///  
        IEnumerator IEnumerable.GetEnumerator() { 
            return items.GetEnumerator();
        } 

        internal GridTableStylesCollection(DataGrid grid) {
            owner = grid;
        } 

        ///  
        ///  
        ///    [To be supplied.]
        ///  
        protected override ArrayList List {
            get {
                return items;
            } 
        }
 
        /* implemented in BaseCollection 
        /// 

        ///      Retrieves the number of GridTables in the collection. 
        /// 
        /// 
        ///      The number of GridTables in the collection.
        ///  
        public override int Count {
            get { 
                return items.Count; 
            }
        } 
        */

        /// 
        ///  
        ///      Retrieves the DataGridTable with the specified index.
        ///  
        public DataGridTableStyle this[int index] { 
            get {
                return (DataGridTableStyle)items[index]; 
            }
        }

        ///  
        /// 
        ///      Retrieves the DataGridTable with the name provided. 
        ///  
        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");
        }

        ///  
        /// 
        /// Adds a  to this collection. 
        ///  
        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));
        } 

        /// 
        /// 
        ///    [To be supplied.] 
        /// 
        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)); 
        } 

        ///  
        /// 
        ///    [To be supplied.]
        /// 
        public event CollectionChangeEventHandler CollectionChanged { 
            add {
                onCollectionChanged += value; 
            } 
            remove {
                onCollectionChanged -= value; 
            }
        }

        ///  
        /// 
        ///    [To be supplied.] 
        ///  
        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)); 
        } 

        ///  
        /// 
        ///      Checks to see if a DataGridTableStyle is contained in this collection.
        /// 
        public bool Contains(DataGridTableStyle table) { 
            int index = items.IndexOf(table);
            return index != -1; 
        } 

        ///  
        /// 
        /// Checks to see if a  with the given name
        ///    is contained in this collection.
        ///  
        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)); 
        }
        */ 

        /// 
        /// 
        ///    [To be supplied.] 
        /// 
        protected void OnCollectionChanged(CollectionChangeEventArgs e) { 
            if (onCollectionChanged != null) 
                onCollectionChanged(this, e);
 
            DataGrid grid = owner;
            if (grid != null) {
                /* FOR DEMO: [....]: 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;
            } 
        } 

        ///  
        /// 
        ///    [To be supplied.]
        /// 
        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); 
        } 

        ///  
        /// 
        ///    [To be supplied.]
        /// 
        public void RemoveAt(int index) { 
            DataGridTableStyle element = (DataGridTableStyle)items[index];
            element.MappingNameChanged -= new EventHandler(TableStyleMappingNameChanged); 
            items.RemoveAt(index); 
            OnCollectionChanged(new CollectionChangeEventArgs(CollectionChangeAction.Remove, element));
        } 
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

                        

                        

                        
                        

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