#region Disclaimer / License
// Copyright (C) 2010, Jackie Ng
// http://trac.osgeo.org/mapguide/wiki/maestro, jumpinjackie@gmail.com
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
//
#endregion
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
namespace Maestro.Editors.Common
{
///
/// A generic dialog that allows selection of an object from a list of objects
///
public partial class GenericItemSelectionDialog : Form
{
private GenericItemSelectionDialog()
{
InitializeComponent();
}
///
/// Displays a dialog to select an item from an array of items
///
///
///
///
///
///
///
///
public static T SelectItem(string title, string prompt, T[] items, string displayMember, string valueMember) where T : class
{
var dlg = new GenericItemSelectionDialog();
if (!string.IsNullOrEmpty(title))
dlg.Text = title;
if (!string.IsNullOrEmpty(prompt))
dlg.lblPrompt.Text = prompt;
if (!string.IsNullOrEmpty(displayMember))
dlg.lstItems.DisplayMember = displayMember;
if (!string.IsNullOrEmpty(valueMember))
dlg.lstItems.ValueMember = valueMember;
dlg.lstItems.DataSource = items;
if (dlg.ShowDialog() == DialogResult.OK)
{
return (T)dlg.lstItems.SelectedItem;
}
return null;
}
///
/// Displays a dialog to select items from an array of items
///
///
///
///
///
///
///
///
public static T[] SelectItems(string title, string prompt, T[] items, string displayMember, string valueMember) where T : class
{
var dlg = new GenericItemSelectionDialog();
if (!string.IsNullOrEmpty(title))
dlg.Text = title;
if (!string.IsNullOrEmpty(prompt))
dlg.lblPrompt.Text = prompt;
dlg.lstItems.SelectionMode = SelectionMode.MultiSimple;
dlg.lstItems.DataSource = items;
if (!string.IsNullOrEmpty(displayMember))
dlg.lstItems.DisplayMember = displayMember;
if (!string.IsNullOrEmpty(valueMember))
dlg.lstItems.ValueMember = valueMember;
if (dlg.ShowDialog() == DialogResult.OK)
{
List values = new List();
foreach (T item in dlg.lstItems.SelectedItems)
{
values.Add(item);
}
return values.ToArray();
}
return new T[0];
}
///
/// Displays a dialog to select a string from an array of strings
///
///
///
///
///
public static string SelectItem(string title, string prompt, string[] items)
{
var dlg = new GenericItemSelectionDialog();
if (!string.IsNullOrEmpty(title))
dlg.Text = title;
if (!string.IsNullOrEmpty(prompt))
dlg.lblPrompt.Text = prompt;
dlg.lstItems.DataSource = items;
if (dlg.ShowDialog() == DialogResult.OK)
{
return dlg.lstItems.SelectedItem.ToString();
}
return null;
}
///
/// Displays a dialog to select strings from an array of strings
///
///
///
///
///
public static string[] SelectItems(string title, string prompt, string[] items)
{
var dlg = new GenericItemSelectionDialog();
if (!string.IsNullOrEmpty(title))
dlg.Text = title;
if (!string.IsNullOrEmpty(prompt))
dlg.lblPrompt.Text = prompt;
dlg.lstItems.SelectionMode = SelectionMode.MultiSimple;
dlg.lstItems.DataSource = items;
if (dlg.ShowDialog() == DialogResult.OK)
{
List values = new List();
foreach (var item in dlg.lstItems.SelectedItems)
{
values.Add(item.ToString());
}
return values.ToArray();
}
return new string[0];
}
private void lstItems_SelectedIndexChanged(object sender, EventArgs e)
{
btnOK.Enabled = (lstItems.SelectedItem != null);
}
private void btnCancel_Click(object sender, EventArgs e)
{
this.DialogResult = DialogResult.Cancel;
}
private void btnOK_Click(object sender, EventArgs e)
{
this.DialogResult = DialogResult.OK;
}
private void lstItems_MouseDoubleClick(object sender, MouseEventArgs e)
{
if (lstItems.SelectedItem != null)
this.DialogResult = DialogResult.OK;
}
}
}