private void OpenDropDownEditor()
{
if (m_isEditing)
{
return;
}
try
{
m_isEditing = true;
object oldValue, value;
var oldContext = m_context;
// Alan Beckus: save references to all the required objects to perform the transaction.
// Because EditValue(...) enters modal loop using Application.DonEvent()
// consequently selectedObjects, transaction and event m_context itself can change
// before returning from EditValue(...).
// note: previous attempt to solve this issue was to cache selected objects inside
// m_context but it failed to solve the issue because the cache was cleared
// by PropertyView before it can be used.
List <object> selection = new List <object>(m_context.SelectedObjects);
var transactionContext = m_context.TransactionContext;
var descriptor = m_context.Descriptor;
oldValue = m_context.GetValue();
UITypeEditor editor = WinFormsPropertyUtils.GetUITypeEditor(m_descriptor, this);
// Bring up the editor which can cause Bind() to be called, so make sure that we use the
// correct context and selection after this EditValue call.
value = editor.EditValue(this, this, oldValue);
transactionContext.DoTransaction(delegate
{
foreach (object selectedObject in selection)
{
PropertyUtils.SetProperty(selectedObject, descriptor, value);
}
}, string.Format("Edit: {0}".Localize(), descriptor.DisplayName));
// notify that we just changed a value
NotifyPropertyEdit(oldValue, value);
// Refresh text box, paint rect
if (oldContext == m_context)
{
SetTextBoxFromProperty();
EnableTextBox();
}
Invalidate();
}
finally
{
m_isEditing = false;
}
}
/// <summary>
/// Sets the property value on all selected objects</summary>
/// <param name="newValue">New property value</param>
public virtual void SetValue(object newValue)
{
m_transactionContext.DoTransaction(delegate
{
foreach (object selectedObject in SelectedObjects)
{
PropertyUtils.SetProperty(selectedObject, m_descriptor, newValue);
}
},
string.Format("Edit: {0}".Localize(), m_descriptor.DisplayName));
}
/// <summary>
/// Sets the property value on all selected objects</summary>
/// <param name="newValue">New property value</param>
public virtual void SetValue(object newValue)
{
m_transactionContext.DoTransaction(delegate
{
foreach (object selectedObject in SelectedObjects)
{
PropertyUtils.SetProperty(selectedObject, m_descriptor, newValue);
}
},
"Edit Property".Localize());
}
/// <summary>
/// Sets the Array property value on all selected objects</summary>
/// <param name="refArray">Reference array that the user sees as the old value</param>
/// <param name="newArray">New array that the user edited</param>
public void SetValue(Array refArray, Array newArray)
{
bool[] equalComponents = GetEqualComponents(refArray, newArray);
m_transactionContext.DoTransaction(delegate
{
foreach (object selectedObject in SelectedObjects)
{
Array oldArray = (Array)m_descriptor.GetValue(selectedObject);
Array mergedArray = GetMergedArray(selectedObject, oldArray, newArray, equalComponents);
//if (!PropertyUtils.AreEqual(oldArray, mergedArray)) TODO make command combining more sophisticated
{
PropertyUtils.SetProperty(selectedObject, m_descriptor, mergedArray);
}
}
},
string.Format("Edit: {0}".Localize(), m_descriptor.DisplayName));
}