using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Runtime.Serialization;
using CategoryTheory;
using DiagramUI;
using Diagram.UI.Interfaces;
using DiagramUI.Labels;
using DiagramUI.Interfaces;
using DataSetService;
using Database.UI.Forms;
namespace Database.UI.Labels
{
[Serializable()]
public partial class QueryLabel : UserControl, ISerializable,
IObjectLabel, INonstandardLabel
{
#region Fields
protected IDataSetProvider provider;
bool showTable = false;
protected Form form;
private IDesktop desktop;
#endregion
#region Ctor
public QueryLabel()
{
InitializeComponent();
}
protected QueryLabel(SerializationInfo info, StreamingContext context)
: this()
{
ResourceService.Resources.LoadControlResources(this, Database.UI.Utils.ControlUtilites.Resources);
showTable = (bool)info.GetValue("ShowTable", typeof(bool));
checkBoxShowData.Checked = showTable;
}
#endregion
#region ISerializable Members
void ISerializable.GetObjectData(SerializationInfo info, StreamingContext context)
{
info.AddValue("ShowTable", showTable, typeof(bool));
}
#endregion
#region IObjectLabel Members
public virtual ICategoryObject Object
{
get
{
return provider as ICategoryObject;
}
set
{
if (!(value is StatementWrapper))
{
CategoryException.ThrowIllegalSourceException();
}
provider = value as StatementWrapper;
value.Object = this;
}
}
#endregion
#region INamedComponent Members
string INamedComponent.Name
{
get { return this.GetRootLabel().Name; }
}
string INamedComponent.Kind
{
get { return ""; }
}
public virtual string Type
{
get { return typeof(StatementWrapper).FullName; }
}
void INamedComponent.Remove()
{
}
int INamedComponent.X
{
get
{
return 0;
}
set
{
}
}
int INamedComponent.Y
{
get
{
return 0;
}
set
{
}
}
IDesktop INamedComponent.Desktop
{
get
{
if (desktop == null)
{
desktop = this.GetRootLabel().Desktop;
}
return desktop;
}
set
{
}
}
int INamedComponent.Ord
{
get
{
INamedComponent nc = this;
Control c = nc.Desktop as Control;
return c.Controls.GetChildIndex(this);
}
}
INamedComponent INamedComponent.Parent
{
get
{
return null;
}
set
{
throw new Exception("You should not set parent to UI component");
}
}
public INamedComponent GetRoot(IDesktop desktop)
{
return PureObjectLabel.GetRoot(this, desktop);
}
string INamedComponent.GetName(IDesktop desktop)
{
return PureObjectLabel.GetName(this, desktop);
}
string INamedComponent.RootName
{
get
{
INamedComponent nc = this;
return nc.GetName(nc.Desktop.Root);
}
}
INamedComponent INamedComponent.Root
{
get { return PureObjectLabel.GetRoot(this); }
}
INamedComponent INamedComponent.GetRoot(IDesktop desktop)
{
return PureObjectLabel.GetRoot(this, desktop);
}
#endregion
#region INonstandardLabel Members
void INonstandardLabel.Initialize()
{
}
void INonstandardLabel.Post()
{
ShowNumber();
ShowTable();
checkBoxShowData.CheckedChanged += checkBoxShowData_CheckedChanged;
}
void INonstandardLabel.Resize()
{
}
public virtual void CreateForm()
{
form = new FormStatementWrapper(this.GetRootLabel(), checkBoxShowData.Checked,
ShowNumber, ShowTable);
}
object INonstandardLabel.Form
{
get { return form; }
}
public virtual object Image
{
get { return ResourceImage.Query; }
}
#endregion
#region Event Handlers
private void checkBoxShowData_CheckedChanged(object sender, EventArgs e)
{
showTable = checkBoxShowData.Checked;
ShowTable();
}
#endregion
#region Members
private void Check(bool b)
{
checkBoxShowData.Checked = b;
}
private DataTable Table
{
get
{
DataSet ds = provider.DataSet;
if (ds == null)
{
return null;
}
if (ds.Tables.Count == 0)
{
return null;
}
return ds.Tables[0];
}
}
protected void ShowNumber()
{
DataTable t = Table;
if (t == null)
{
return;
}
labelNumber.Text =
ResourceService.Resources.GetControlResource("Number of rows: ",
Database.UI.Utils.ControlUtilites.Resources) + t.Rows.Count;
}
private void ShowTable()
{
if (showTable)
{
DataTable t = Table;
if (t == null)
{
dataGridViewTable.DataMember = null;
return;
}
dataGridViewTable.DataSource = provider.DataSet;
dataGridViewTable.DataMember = t.TableName;
return;
}
dataGridViewTable.DataMember = null;
}
protected void ShowTable(bool show)
{
checkBoxShowData.Checked = show;
}
#endregion
}
}
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