/// <summary>
/// Load view state
/// </summary>
/// <param name="state">The saved view state</param>
/// <exception cref="ArgumentException">This is thrown if an unexpected shape type is found in the view
/// state.</exception>
public void LoadViewState(object state)
{
EWSoftware.ImageMaps.Web.Controls.ImageAreaBase a;
Triplet t;
int idx, count, itemIdx;
if (state == null)
{
return;
}
t = (Triplet)state;
// Restore all items?
if (!(t.First is ArrayList))
{
saveAll = true;
this.Clear();
count = (int)t.First;
ImageAreaShape[] shapes = (ImageAreaShape[])t.Second;
object[] states = (object[])t.Third;
for (idx = 0; idx < count; idx++)
{
switch (shapes[idx])
{
case ImageAreaShape.Rectangle:
a = new EWSoftware.ImageMaps.Web.Controls.ImageAreaRectangle();
break;
case ImageAreaShape.Circle:
a = new EWSoftware.ImageMaps.Web.Controls.ImageAreaCircle();
break;
case ImageAreaShape.Polygon:
a = new EWSoftware.ImageMaps.Web.Controls.ImageAreaPolygon();
break;
default:
throw new ArgumentException("Unexpected shape type in view state", "state");
}
a.TrackViewState();
a.LoadViewState(states[idx]);
this.Add(a);
}
return;
}
ArrayList changedIndices = (ArrayList)t.First, changedShapes = (ArrayList)t.Second,
changedStates = (ArrayList)t.Third;
for (idx = 0; idx < changedIndices.Count; idx++)
{
itemIdx = (int)changedIndices[idx];
if (itemIdx < this.Count)
{
((EWSoftware.ImageMaps.Web.Controls.ImageAreaBase) this[itemIdx]).LoadViewState(changedStates[idx]);
}
else
{
switch ((ImageAreaShape)changedShapes[idx])
{
case ImageAreaShape.Rectangle:
a = new EWSoftware.ImageMaps.Web.Controls.ImageAreaRectangle();
break;
case ImageAreaShape.Circle:
a = new EWSoftware.ImageMaps.Web.Controls.ImageAreaCircle();
break;
case ImageAreaShape.Polygon:
a = new EWSoftware.ImageMaps.Web.Controls.ImageAreaPolygon();
break;
default:
throw new ArgumentException("Unexpected shape type in view state", "state");
}
a.TrackViewState();
a.LoadViewState(changedStates[idx]);
this.Add(a);
}
}
}
/// <summary>
/// Load view state
/// </summary>
/// <param name="state">The saved view state</param>
/// <exception cref="ArgumentException">This is thrown if an unexpected shape type is found in the view
/// state.</exception>
public void LoadViewState(object state)
{
EWSoftware.ImageMaps.Web.Controls.ImageAreaBase a;
Triplet t;
int idx, count, itemIdx;
if(state == null)
return;
t = (Triplet)state;
// Restore all items?
if(!(t.First is ArrayList))
{
saveAll = true;
this.Clear();
count = (int)t.First;
ImageAreaShape[] shapes = (ImageAreaShape[])t.Second;
object[] states = (object[])t.Third;
for(idx = 0; idx < count; idx++)
{
switch(shapes[idx])
{
case ImageAreaShape.Rectangle:
a = new EWSoftware.ImageMaps.Web.Controls.ImageAreaRectangle();
break;
case ImageAreaShape.Circle:
a = new EWSoftware.ImageMaps.Web.Controls.ImageAreaCircle();
break;
case ImageAreaShape.Polygon:
a = new EWSoftware.ImageMaps.Web.Controls.ImageAreaPolygon();
break;
default:
throw new ArgumentException("Unexpected shape type in view state", "state");
}
a.TrackViewState();
a.LoadViewState(states[idx]);
this.Add(a);
}
return;
}
ArrayList changedIndices = (ArrayList)t.First, changedShapes = (ArrayList)t.Second,
changedStates = (ArrayList)t.Third;
for(idx = 0; idx < changedIndices.Count; idx++)
{
itemIdx = (int)changedIndices[idx];
if(itemIdx < this.Count)
{
((EWSoftware.ImageMaps.Web.Controls.ImageAreaBase)this[itemIdx]).LoadViewState(changedStates[idx]);
}
else
{
switch((ImageAreaShape)changedShapes[idx])
{
case ImageAreaShape.Rectangle:
a = new EWSoftware.ImageMaps.Web.Controls.ImageAreaRectangle();
break;
case ImageAreaShape.Circle:
a = new EWSoftware.ImageMaps.Web.Controls.ImageAreaCircle();
break;
case ImageAreaShape.Polygon:
a = new EWSoftware.ImageMaps.Web.Controls.ImageAreaPolygon();
break;
default:
throw new ArgumentException("Unexpected shape type in view state", "state");
}
a.TrackViewState();
a.LoadViewState(changedStates[idx]);
this.Add(a);
}
}
}
