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using System;
using System.Collections;
using System.Collections.Specialized;
using System.Windows.Forms;
using Ayende.NHibernateQueryAnalyzer.SchemaEditing;
namespace Ayende.NHibernateQueryAnalyzer.UserInterface.Controls
{
public partial class EditAttribute : Form
{
private readonly AttributeFieldReference attribute;
private StringDictionary fieldNames;
private bool changesMade;
protected EditAttribute()
{
InitializeComponent();
}
public EditAttribute(AttributeFieldReference attribute)
{
InitializeComponent();
Text = "Edit Attribute: " + attribute.Name;
this.attribute = attribute;
DisplayValue();
ux_DefaultValue.Enabled = attribute.HasValue;
}
private void DisplayValue()
{
if(attribute.Type.IsEnum)
{
ux_ValueText.Visible = false;
ux_CheckBox.Visible = false;
ux_List.Visible = true;
foreach(string val in GetEnumXmlNames(attribute.Type))
{
ux_List.Items.Add(val);
}
ux_List.SelectedItem = fieldNames[attribute.Value.ToString()];
ux_List.Select();
}
else if (attribute.Type == typeof(bool))
{
ux_ValueText.Visible = false;
ux_List.Visible = false;
ux_CheckBox.Visible = true;
ux_CheckBox.Text = attribute.Name;
ux_CheckBox.CheckState = ((bool)attribute.Value ) ? CheckState.Checked : CheckState.Unchecked;
ux_CheckBox.Select();
}
else
{
ux_CheckBox.Visible = false;
ux_List.Visible = false;
ux_ValueText.Visible = true;
ux_ValueText.Text = attribute.Value ==null ? "" : attribute.Value.ToString();
ux_ValueText.Select();
}
}
private ICollection GetEnumXmlNames(Type type)
{
fieldNames = SchemaEditor.GetEnumFieldsAndXMLNames(type);
return fieldNames.Values;
}
private void ux_DefaultValue_Click(object sender, EventArgs e)
{
ux_ValueText.Text = "";
Close();
}
private void ux_Ok_Click(object sender, EventArgs e)
{
DialogResult = changesMade ? DialogResult.OK : DialogResult.Cancel;
Close();
}
private void ux_Cancel_Click(object sender, EventArgs e)
{
Close();
}
private void ux_ValueText_TextChanged(object sender, EventArgs e)
{
changesMade = true;
}
private void ux_CheckBox_CheckedChanged(object sender, EventArgs e)
{
ux_Ok.Enabled = true;
changesMade = true;
}
private void ux_List_SelectedIndexChanged(object sender, EventArgs e)
{
changesMade = true;
ux_Ok.Enabled = true;
}
public object AttributeValue
{
get
{
if(attribute.Type.IsEnum)
{
return GetEnumValue();
}
if (attribute.Type == typeof(bool))
{
return ux_CheckBox.CheckState == CheckState.Checked;
}
return ux_ValueText.Text == "" ? null : ux_ValueText.Text;
}
}
private object GetEnumValue()
{
string fieldName = null;
foreach (DictionaryEntry entry in fieldNames)
{
if(entry.Value == ux_List.SelectedItem)
{
fieldName = (string)entry.Key;
break;
}
}
return Enum.Parse(attribute.Type, fieldName);
}
}
} |
