/// <summary>
/// Gets the master page.
/// </summary>
/// <returns></returns>
/// <remarks>
/// Sequence Diagram:<br/>
/// <img src="SequenceDiagrams/SD_PrintRoverWeb.Administration.DiscoverDevices.GetMasterPage.jpg"/>
/// </remarks>
private InnerPage GetMasterPage()
{
MasterPage masterPage = this.Page.Master;
InnerPage headerPage = (InnerPage)masterPage;
return(headerPage);
}
private void MergePages(InnerPage <TKey, TItem> page, int index, DataPage <TKey, TItem> childPage)
{
bool isPrevious;
DataPage <TKey, TItem> previous = null;
DataPage <TKey, TItem> next = null;
int size = page.CurrentSize;
if (size == 0)
{
// page parameter is RootPage; we should replace RootPage with childPage;
RootPageRef = childPage;
return;
}
if (index == -1)
{
isPrevious = false;
next = page.GetPage(index + 1);
}
else if (index == size - 1)
{
isPrevious = true;
previous = page.GetPage(index - 1);
}
else
{
previous = page.GetPage(index - 1);
next = page.GetPage(index + 1);
isPrevious = previous.CurrentSize < next.CurrentSize;
}
if (isPrevious)
{
if (previous.Merge(childPage))
{
page.Remove(index);
}
else
{
page[index] = new KeyValuePair <TKey, IPageRef>(childPage.Key, childPage.Identifier);
}
}
else
{
if (childPage.Merge(next))
{
page.Remove(index + 1);
}
else
{
page[index + 1] = new KeyValuePair <TKey, IPageRef>(next.Key, next.Identifier);
}
}
}
private void ChangeRootPage(DataPage <TKey, TItem> newInnerPage)
{
var oldRoot = RootPage;
RootPageRef = new InnerPage <TKey, TItem>(provider);
var rootPage = RootPage.AsInnerPage;
rootPage.Insert(-1, default(TKey), oldRoot.Identifier);
rootPage.Insert(0, newInnerPage.Key, newInnerPage.Identifier);
if (HasMeasures)
{
rootPage.AddToMeasures(oldRoot);
rootPage.AddToMeasures(newInnerPage);
}
}
