public bool IncludeInView(DataSourceObject data)
{
foreach (var f in _filters.Values)
{
if (!f.Matches(data))
{
return(false);
}
}
return(true);
}
public void DeleteItem(DataSourceObject data)
{
if (!IncludeInView(data))
{
return;
}
int idx = Items.IndexOfKey(GetID(data));
if (idx >= 0)
{
Items.RemoveAt(idx);
}
}
public void UpdateItem(DataSourceObject data)
{
if (!IncludeInView(data))
{
return;
}
int idx = Items.IndexOfKey(GetID(data));
if (idx >= 0)
{
Items[idx] = CreateItem(data);
}
}
public void AddItem(DataSourceObject data)
{
if (!IncludeInView(data))
{
return;
}
if (PrependItems)
{
Items.Insert(0, CreateItem(data));
}
else
{
Items.Add(CreateItem(data));
}
}
virtual protected ListViewItem CreateItem(DataSourceObject data)
{
List <String> subItems = new List <String>();
foreach (ColumnHeader col in Columns)
{
var pName = col.Tag.ToString();
if (pName == null || pName == String.Empty || !data.HasProperty(pName))
{
throw new Exception(String.Format("Cannot find property for column {0} using property name {1}", col.Name, pName));
}
var val = data.Get <Object>(pName);
subItems.Add(val == null ? String.Empty : val.ToString());
}
ListViewItem lvi = new ListViewItem(subItems.ToArray());
lvi.Name = GetID(data);
return(lvi);
}
public bool Matches(DataSourceObject data)
{
if (data == null)
{
throw new Exception("Cannot match on null data");
}
String[] propertyNames = PropertyName.Split('|');
foreach (var pName in propertyNames)
{
foreach (var kv in Controls)
{
Control c = kv.Key;
List <Object> values = kv.Value;
if (c is TextBox)
{
var s1 = ((TextBox)c).Text;
if (s1 == null || s1 == String.Empty)
{
return(true);
}
s1 = s1.ToLower();
var s2 = data.Get <String>(pName).ToLower();
if (s2.IndexOf(s1) >= 0)
{
return(true);
}
}
else if (c is CheckBox)
{
if (((CheckBox)c).Checked && values.Contains(data.Get <Object>(pName)))
{
return(true);
}
}
else if (c is ComboBox)
{
var cmb = (ComboBox)c;
if (cmb.SelectedIndex == -1 || cmb.SelectedItem == null || ((String)cmb.SelectedItem) == String.Empty || values.Contains((String)cmb.SelectedItem))
{
return(true);
}
var val = data.Get <Object>(pName);
if (val.ToString() == ((String)cmb.SelectedItem))
{
return(true);
}
}
else if (c is ListView)
{
var lv = (ListView)c;
if (lv.SelectedItems == null || lv.SelectedItems.Count == 0)
{
return(true);
}
var val = data.Get <String>(pName);
foreach (ListViewItem lvi in lv.SelectedItems)
{
if (lvi.Name == val)
{
return(true);
}
}
}
else
{
throw new Exception("ChetchListView::MatchesFilter does not support control " + c.GetType().ToString());
}
}
}
return(false);
}
protected String GetID(DataSourceObject data)
{
return(data.Get <String>(DataSourceObjectIDName));
}
