/
DataViewColumn.cs
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/
DataViewColumn.cs
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#region license
/*
Copyright 2005 - 2021 Advantage Solutions, s. r. o.
This file is part of ORIGAM (http://www.origam.org).
ORIGAM is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
ORIGAM is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with ORIGAM. If not, see <http://www.gnu.org/licenses/>.
*/
#endregion
using System;
using System.Windows.Forms;
using System.Drawing;
using System.Data;
using Origam.Rule;
using Origam.Schema.EntityModel;
namespace Origam.Gui.Win
{
public class AsDataViewColumn : DataGridTextBoxColumn
{
public AsDateBox AsDateBox;
private bool _isEditing;
private CurrencyManager dataSource;
private int rowNum;
public AsDataViewColumn() : base()
{
_isEditing = false;
AsDateBox = new AsDateBox();
AsDateBox.NoKeyUp = true;
AsDateBox.CaptionPosition = CaptionPosition.None;
AsDateBox.Visible = false;
base.TextBox.TabStop =false;
this.AsDateBox.TabStop = false;
AsDateBox.onTextBoxValueChanged += OnAsDateBoxTextValueChanged;
}
private void OnAsDateBoxTextValueChanged(object sender, EventArgs args)
{
// dataSource is null if this method gets called vefore Commit method
if (dataSource == null) return;
// Workaround to write chages made in textBox to dataSource
// and redraw when Tab is pressed.
// It looks like without this handler the Commit method gets
// called before AsDateBox has a chance to update it's state.
// This handler is called after the update is complete so that
// the Commit method can update the dataSource with the new data.
if (GetColumnValueAtRow(dataSource, rowNum) != AsDateBox.DateValue)
{
_isEditing = true;
Commit(dataSource, rowNum);
}
}
private bool _alwaysReadOnly = false;
public bool AlwaysReadOnly
{
get => _alwaysReadOnly;
set
{
_alwaysReadOnly = value;
this.AsDateBox.ReadOnly = value;
}
}
private bool _isDisposed = false;
protected override void Dispose(bool disposing)
{
if(disposing)
{
if(AsDateBox != null)
{
AsDateBox.dateValueChanged -= new EventHandler(AsDateBox_dateValueChanged);
AsDateBox.onTextBoxValueChanged -= OnAsDateBoxTextValueChanged;
AsDateBox.Dispose();
AsDateBox = null;
}
}
base.Dispose (disposing);
_isDisposed = true;
}
protected override void Abort(int rowNum)
{
if(_isDisposed) return;
_isEditing = false;
AsDateBox.dateValueChanged -= new EventHandler(AsDateBox_dateValueChanged);
Invalidate();
base.Abort(rowNum);
}
protected override void Edit(System.Windows.Forms.CurrencyManager source, int rowNum, System.Drawing.Rectangle bounds, bool readOnly, string instantText, bool cellIsVisible)
{
if(! AlwaysReadOnly)
{
RuleEngine ruleEngine = (this.DataGridTableStyle.DataGrid.FindForm() as AsForm).FormGenerator.FormRuleEngine;
if(ruleEngine != null)
{
AsDateBox.ReadOnly = ! ruleEngine.EvaluateRowLevelSecurityState((source.Current as DataRowView).Row, this.MappingName, Schema.EntityModel.CredentialType.Update);
}
}
else
{
AsDateBox.ReadOnly = true;
}
if(cellIsVisible)
{
base.Edit(source,rowNum, bounds, readOnly, instantText , cellIsVisible);
this.AsDateBox.Enabled = true;
AsDateBox.Parent = this.TextBox.Parent;
AsDateBox.Location = bounds.Location;
//AsDateBox.Location = this.TextBox.Location;
AsDateBox.Size = new Size(this.TextBox.Size.Width, AsDateBox.Size.Height);
try
{
object val= this.GetColumnValueAtRow(source, rowNum);
AsDateBox.DateValue = val;
//AsDateBox.DateValue = Convert.ToDateTime(this.TextBox.Text);
}
catch
{
AsDateBox.DateValue=DBNull.Value;
}
if(this.AsDateBox.ReadOnly)
{
this.TextBox.Visible = true;
AsDateBox.Visible = false;
}
else
{
this.TextBox.Visible = false;
AsDateBox.Visible = true;
AsDateBox.BringToFront();
AsDateBox.Focus();
}
AsDateBox.dateValueChanged += new EventHandler(AsDateBox_dateValueChanged);
}
else
{
this.AsDateBox.Bounds = Rectangle.Empty;
// this.AsDateBox.Visible = false;
// this.AsDateBox.Enabled = false;
}
}
protected override bool Commit(System.Windows.Forms.CurrencyManager dataSource, int rowNum)
{
AsDateBox.dateValueChanged -= new EventHandler(AsDateBox_dateValueChanged);
this.dataSource = dataSource;
this.rowNum = rowNum;
if(_isEditing)
{
try
{
SetColumnValueAtRow(dataSource, rowNum, AsDateBox.DateValue);
// force form items to reread data values to prevent loss of data
DataBindingTools.UpdateBindedFormComponent(
dataSource.Bindings, MappingName);
}
catch (Exception)
{
Abort(rowNum);
return false;
}
}
else
{
Abort(rowNum);
}
_isEditing = false;
this.AsDateBox.Hide();
Invalidate();
return true;
}
protected override void ReleaseHostedControl()
{
base.ReleaseHostedControl ();
this.AsDateBox.Parent = null;
}
protected override void ConcedeFocus()
{
AsDateBox.Hide();
base.ConcedeFocus();
}
protected override void SetColumnValueAtRow(System.Windows.Forms.CurrencyManager source, int rowNum, object value)
{
if(_isEditing)
{
base.SetColumnValueAtRow(source, rowNum, value);
}
}
protected override void Paint(Graphics g, Rectangle bounds, CurrencyManager source, int rowNum, Brush backBrush, Brush foreBrush, bool alignToRight)
{
Brush myBackBrush = backBrush;
Brush myForeBrush = foreBrush;
EntityFormatting formatting = DataGridColumnStyleHelper.Formatting(this, source, rowNum);
if(formatting != null)
{
if(!formatting.UseDefaultBackColor) myBackBrush = new SolidBrush(formatting.BackColor);
if(!formatting.UseDefaultForeColor) myForeBrush = new SolidBrush(formatting.ForeColor);
}
base.Paint (g, bounds, source, rowNum, myBackBrush, myForeBrush, alignToRight);
}
private void AsDateBox_dateValueChanged(object sender, EventArgs e)
{
_isEditing = true;
base.ColumnStartedEditing((Control) sender);
}
}
}