// Constructor
public DataGrid()
{
// Console.WriteLine("DataGrid.constr");
SetStyle(ControlStyles.ResizeRedraw, true);
SetStyle(ControlStyles.DoubleBuffer, true);
initializing = true;
gridTableStylesCollection = new GridTableStylesCollection();
gridTableStylesCollection.Add(new DataGridTableStyle());
dgforeColor = SystemColors.WindowText;
backgroundColor = SystemColors.Window;
headerForeColor = SystemColors.WindowText;
hScrollBar = new HScrollBar();
hScrollBar.Visible = false;
hScrollBar.Dock = DockStyle.Bottom;
hScrollBar.TabStop = false;
hScrollBar.ValueChanged += new EventHandler(GridHScrolled);
vScrollBar = new VScrollBar();
vScrollBar.Visible = false;
vScrollBar.Dock = DockStyle.Right;
vScrollBar.TabStop = false;
vScrollBar.ValueChanged += new EventHandler(GridVScrolled);
Controls.Add(vScrollBar);
Controls.Add(hScrollBar);
}
public DataGrid ()
{
allow_navigation = true;
background_color = def_background_color;
border_style = BorderStyle.Fixed3D;
caption_backcolor = def_caption_backcolor;
caption_forecolor = def_caption_forecolor;
caption_text = string.Empty;
caption_visible = true;
datamember = string.Empty;
parent_rows_backcolor = def_parent_rows_backcolor;
parent_rows_forecolor = def_parent_rows_forecolor;
parent_rows_visible = true;
current_cell = new DataGridCell ();
parent_rows_label_style = DataGridParentRowsLabelStyle.Both;
selected_rows = new Hashtable ();
selection_start = -1;
rows = new DataGridRelationshipRow [0];
grid_style_stack = new Stack ();
data_grid_table_style_stack = new Stack ();
default_style = new DataGridTableStyle (true);
grid_style = new DataGridTableStyle ();
styles_collection = new GridTableStylesCollection (this);
styles_collection.CollectionChanged += new CollectionChangeEventHandler (OnTableStylesCollectionChanged);
CurrentTableStyle = grid_style;
horiz_scrollbar = new ImplicitHScrollBar ();
horiz_scrollbar.Scroll += new ScrollEventHandler (GridHScrolled);
vert_scrollbar = new ImplicitVScrollBar ();
vert_scrollbar.Scroll += new ScrollEventHandler (GridVScrolled);
SetStyle (ControlStyles.UserMouse, true);
data_source_stack = new Stack ();
back_button_image = ResourceImageLoader.Get ("go-previous.png");
back_button_image.MakeTransparent (Color.Transparent);
parent_rows_button_image = ResourceImageLoader.Get ("go-top.png");
parent_rows_button_image.MakeTransparent (Color.Transparent);
}
/// <summary>
/// Returns an observable sequence wrapping the CollectionChanged event on the GridTableStylesCollection instance.
/// </summary>
/// <param name="instance">The GridTableStylesCollection instance to observe.</param>
/// <returns>An observable sequence wrapping the CollectionChanged event on the GridTableStylesCollection instance.</returns>
public static IObservable <EventPattern <CollectionChangeEventArgs> > CollectionChangedObservable(this GridTableStylesCollection instance)
{
return(Observable.FromEventPattern <CollectionChangeEventHandler, CollectionChangeEventArgs>(
handler => instance.CollectionChanged += handler,
handler => instance.CollectionChanged -= handler));
}
// Constructor
public DataGrid()
{
// Console.WriteLine("DataGrid.constr");
SetStyle(ControlStyles.ResizeRedraw,true);
SetStyle(ControlStyles.DoubleBuffer, true);
initializing = true;
gridTableStylesCollection= new GridTableStylesCollection();
gridTableStylesCollection.Add(new DataGridTableStyle());
dgforeColor = SystemColors.WindowText;
backgroundColor = SystemColors.Window;
headerForeColor = SystemColors.WindowText;
hScrollBar = new HScrollBar();
hScrollBar.Visible = false;
hScrollBar.Dock = DockStyle.Bottom;
hScrollBar.TabStop = false;
hScrollBar.ValueChanged += new EventHandler(GridHScrolled);
vScrollBar = new VScrollBar();
vScrollBar.Visible = false;
vScrollBar.Dock = DockStyle.Right;
vScrollBar.TabStop = false;
vScrollBar.ValueChanged += new EventHandler(GridVScrolled);
Controls.Add(vScrollBar);
Controls.Add(hScrollBar);
}
public void DumpGridTableStylesCollection (GridTableStylesCollection ts)
{
Console.WriteLine ("IsSynchronized {0} ", ts.IsSynchronized);
Console.WriteLine ("SyncRoot {0} ", ts.SyncRoot);
Console.WriteLine ("IsReadOnly {0} ", ts.IsReadOnly);
}
public DataGrid()
{
base.SetStyle(ControlStyles.UserPaint, true);
base.SetStyle(ControlStyles.Opaque, false);
base.SetStyle(ControlStyles.SupportsTransparentBackColor, false);
base.SetStyle(ControlStyles.UserMouse, true);
this.gridState = new BitVector32(0x42827);
this.dataGridTables = new GridTableStylesCollection(this);
this.layout = this.CreateInitialLayoutState();
this.parentRows = new DataGridParentRows(this);
this.horizScrollBar.Top = base.ClientRectangle.Height - this.horizScrollBar.Height;
this.horizScrollBar.Left = 0;
this.horizScrollBar.Visible = false;
this.horizScrollBar.Scroll += new ScrollEventHandler(this.GridHScrolled);
base.Controls.Add(this.horizScrollBar);
this.vertScrollBar.Top = 0;
this.vertScrollBar.Left = base.ClientRectangle.Width - this.vertScrollBar.Width;
this.vertScrollBar.Visible = false;
this.vertScrollBar.Scroll += new ScrollEventHandler(this.GridVScrolled);
base.Controls.Add(this.vertScrollBar);
this.BackColor = DefaultBackBrush.Color;
this.ForeColor = DefaultForeBrush.Color;
this.borderStyle = System.Windows.Forms.BorderStyle.Fixed3D;
this.currentChangedHandler = new EventHandler(this.DataSource_RowChanged);
this.positionChangedHandler = new EventHandler(this.DataSource_PositionChanged);
this.itemChangedHandler = new ItemChangedEventHandler(this.DataSource_ItemChanged);
this.metaDataChangedHandler = new EventHandler(this.DataSource_MetaDataChanged);
this.dataGridTableStylesCollectionChanged = new CollectionChangeEventHandler(this.TableStylesCollectionChanged);
this.dataGridTables.CollectionChanged += this.dataGridTableStylesCollectionChanged;
this.SetDataGridTable(this.defaultTableStyle, true);
this.backButtonHandler = new EventHandler(this.OnBackButtonClicked);
this.downButtonHandler = new EventHandler(this.OnShowParentDetailsButtonClicked);
this.caption = new DataGridCaption(this);
this.caption.BackwardClicked += this.backButtonHandler;
this.caption.DownClicked += this.downButtonHandler;
this.RecalculateFonts();
base.Size = new Size(130, 80);
base.Invalidate();
base.PerformLayout();
}
