/// <summary>
/// Sets the render index for a given control.
/// </summary>
/// <param name="control">To control that needs to be rendered in
/// a specific region.</param>
/// <param name="renderIndex">The index of the control within its region.</param>
public void SetRenderIndex(Control control, object renderIndex)
{
//do nothing if no region ID was set
if (renderIndex == null)
{
return;
}
int index = (int)renderIndex;
//get the property set, if any or create a new one
RegionPropertySet propertySet = this[control];
if (propertySet == null)
{
//do not create a property set if the index is the default...
if (index == 0)
{
return;
}
//store the control in the internal list
propertySet = new RegionPropertySet(control, PortalRegion.None, index);
this.propertySets.Add(propertySet);
}
else
{
//set region ID
propertySet.RenderIndex = index;
}
//announce change
NotifyHost();
}
public int GetRenderIndex(Control control)
{
RegionPropertySet propertySet = this[control];
if (propertySet == null)
{
return(0);
}
else
{
return(propertySet.RenderIndex);
}
}
public PortalRegion GetTargetRegionId(Control control)
{
//return PortalRegion.None if no region ID was assigned
RegionPropertySet propertySet = this[control];
if (propertySet == null)
{
return(PortalRegion.None);
}
else
{
return(propertySet.TargetRegion);
}
}
/// <summary>
/// Compares the property sets via the
/// encapsulated control's <c>ID</c> property.
/// </summary>
/// <param name="obj">Object to compare.</param>
/// <returns></returns>
/// <remarks>Compares to eigher a <c>Control</c>
/// or a <see cref="RegionPropertySet"/> object.</remarks>
public int CompareTo(object obj)
{
RegionPropertySet propertySet = obj as RegionPropertySet;
return(this.renderIndex.CompareTo(propertySet.RenderIndex));
// Control ctrl = obj as Control;
// if (ctrl == null)
// {
// ctrl = ((RegionPropertySet)obj).Control;
// }
//
// return this.control.ID.CompareTo(ctrl.ID);
}
/// <summary>
/// Sets the target region ID for a given control.
/// </summary>
/// <param name="control">To control that needs to be rendered in
/// a specific region.</param>
/// <param name="regionId">The ID of the target region.</param>
public void SetTargetRegionId(Control control, object regionId)
{
//do nothing if no region ID was set
if (regionId == null)
{
return;
}
//if the property was removed by the user
if (regionId.ToString() == "")
{
//...remove the control from the internal list
this.propertySets.Remove(this[control]);
}
else
{
PortalRegion region = (PortalRegion)regionId;
if (region == PortalRegion.None)
{
//..,remove the control from the internal list
this.propertySets.Remove(this[control]);
}
else
{
//get the property set, if any or create a new one
RegionPropertySet propertySet = this[control];
if (propertySet == null)
{
propertySet = new RegionPropertySet(control, region, 0);
//store the set in the internal list
this.propertySets.Add(propertySet);
}
else
{
//adjust region ID
propertySet.TargetRegion = region;
}
}
}
//announce change
NotifyHost();
}
/// <summary>
/// Provides conversion information for a property set
/// through <c>InstanceDescriptor</c> objects.
/// </summary>
/// <param name="context"></param>
/// <param name="culture"></param>
/// <param name="value"></param>
/// <param name="destinationType"></param>
/// <returns></returns>
public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType)
{
RegionPropertySet propertySet = value as RegionPropertySet;
if (propertySet != null)
{
//perform string conversion
if (destinationType == typeof(string))
{
return(propertySet.TargetRegion);
}
//convert to InstanceDescriptor
if (destinationType == typeof(InstanceDescriptor))
{
object[] parameters = new object[3];
Type[] types = new Type[3];
//control
parameters[0] = propertySet.Control;
types[0] = typeof(Control);
// region
parameters[1] = propertySet.TargetRegion;
types[1] = typeof(PortalRegion);
// index
parameters[2] = propertySet.RenderIndex;
types[2] = typeof(int);
// Build constructor
ConstructorInfo ci = typeof(RegionPropertySet).GetConstructor(types);
return(new InstanceDescriptor(ci, parameters));
}
}
//rely on base if neither string nor InstanceDescriptor are required
return(base.ConvertTo(context, culture, value, destinationType));
}
/// <summary>
/// Sets the target region ID for a given control.
/// </summary>
/// <param name="control">To control that needs to be rendered in
/// a specific region.</param>
/// <param name="regionId">The ID of the target region.</param>
public void SetTargetRegionId(Control control, object regionId)
{
//do nothing if no region ID was set
if (regionId == null) return;
//if the property was removed by the user
if (regionId.ToString() == "")
{
//...remove the control from the internal list
this.propertySets.Remove(this[control]);
}
else
{
PortalRegion region = (PortalRegion)regionId;
if (region == PortalRegion.None)
{
//..,remove the control from the internal list
this.propertySets.Remove(this[control]);
}
else
{
//get the property set, if any or create a new one
RegionPropertySet propertySet = this[control];
if (propertySet == null)
{
propertySet = new RegionPropertySet(control, region, 0);
//store the set in the internal list
this.propertySets.Add(propertySet);
}
else
{
//adjust region ID
propertySet.TargetRegion = region;
}
}
}
//announce change
NotifyHost();
}
/// <summary>
/// Sets the render index for a given control.
/// </summary>
/// <param name="control">To control that needs to be rendered in
/// a specific region.</param>
/// <param name="renderIndex">The index of the control within its region.</param>
public void SetRenderIndex(Control control, object renderIndex)
{
//do nothing if no region ID was set
if (renderIndex == null) return;
int index = (int)renderIndex;
//get the property set, if any or create a new one
RegionPropertySet propertySet = this[control];
if (propertySet == null)
{
//do not create a property set if the index is the default...
if (index == 0) return;
//store the control in the internal list
propertySet = new RegionPropertySet(control, PortalRegion.None, index);
this.propertySets.Add(propertySet);
}
else
{
//set region ID
propertySet.RenderIndex = index;
}
//announce change
NotifyHost();
}
