/// <summary>
/// Switches to the 'previous' page (whatever page this is!).
/// </summary>
public virtual void HandleActionBack() //TODO: The handleActionBack method has an edge case that I can't figure out quite yet -- when only two pages are visible and enabled, hitting the back button repeatedly cycles through the two pages..
{ // :-/
TLogging.Log("HandleActionBack (in TPetraShepherdFormLogic)");
string backPage = ""; //temporary string to hold the key of the StartPage
TPetraShepherdPage temporaryPage = CurrentPage;
int counter = 0;
if (CurrentPage.IsFirstPage)
{
backPage = CurrentPage.ID;
}
else
{
foreach (KeyValuePair <string, TPetraShepherdPage> pair in FShepherdPages.Pages)
{
if ((pair.Value == CurrentPage) && pair.Value.Enabled && pair.Value.Visible)
{
backPage = temporaryPage.ID;
TLogging.Log("Set the backpage to the following: " + temporaryPage.ID);
break;
}
temporaryPage = pair.Value;
counter++;
}
}
backPage = temporaryPage.ID;
SwitchToPage(backPage);
}
/// <summary>
/// Switches to the Start page (whatever page this is!).
/// Iterates through FShepherdPages.Pages to find the first page that is both visible and enabled.
/// </summary>
public void SwitchToStartPage()
{
TLogging.Log("SwitchToStartPage (in TPetrashepherdFormLogic)");
string startPage = ""; //temporary string to hold the key of the StartPage
foreach (KeyValuePair <string, TPetraShepherdPage> pair in FShepherdPages.Pages)
{
if (pair.Value.Visible && pair.Value.Enabled)
{
TLogging.Log("SwitchToStartPage foreach loop returned the following value that was both visible and enabled: " + pair.Key);
startPage = pair.Key;
pair.Value.IsFirstPage = true;
CurrentPage = pair.Value;
break;
}
}
TLogging.Log("temporary page was assigned to " + startPage + " in SwitchToStartPage.");
try
{
SwitchToPage(startPage);
}
catch (KeyNotFoundException)
{
TLogging.Log("KeyNotFoundException Thrown in SwitchToStartPage when SwitchToPage(startPage) was called.");
}
}
/// <summary>
/// Constructor for TPetraShepherdPagesList. This function reads in a yaml file from the appropriate
/// namespace, parses it into xmlNodes, and adds them to the list of pages so that they can be read
/// by the individual ShepherdPage constructor, which it calls.
/// </summary>
/// <param name="AYamlFile">Full path to the Shepherd's YAML Definition file.</param>
public TPetraShepherdPagesList(string AYamlFile)
{
TLogging.Log("Entering TPetraShepherdPagesList Constructor. AYamlFile = " + AYamlFile + "...");
TYml2Xml parser = new TYml2Xml(AYamlFile);
XmlDocument XmlPages = parser.ParseYML2XML();
TLogging.Log("TPetraShepherdPagesList currently has this many nodes: " + XmlPages.LastChild.LastChild.LastChild.ChildNodes.Count);
XmlNode temporaryXmlNode = XmlPages.LastChild.LastChild.LastChild.FirstChild; //...LastChild.LastChild.LastChild.FirstChild is required because of the structure of the XML File after parsing.
int counter = 0;
XmlNodeList nodeList;
XmlNode root = XmlPages.DocumentElement;
nodeList = XmlPages.LastChild.LastChild.LastChild.ChildNodes;
TLogging.Log("The amount of nodes in the nodeList in the TPetraShepherdPagesList constructor is as follows: " + nodeList.Count);
foreach (XmlNode node in nodeList)
{
if (node.Name.Contains("SubShepherd."))
{
TLogging.Log("TPetraSHepherdPagesList Constructor loop: Found a sub shepherd.. Skipping.. ");
}
else
{
TPetraShepherdPage temporaryPetraShepherdPage = new TPetraShepherdPage(node); // Constructor call for each page built off an XML node.
TLogging.Log("TPetraShepherdPagesList Constructor loop: THE TITLE OF THE CURRENT PAGE IS: " + temporaryPetraShepherdPage.Title);
FPagesList.Add(temporaryPetraShepherdPage.ID, temporaryPetraShepherdPage);
}
counter++;
}
TPetraShepherdFinishPage shepherdFinishPage = new TPetraShepherdFinishPage(XmlPages);
TLogging.Log("Adding a shepherd finish page: " + shepherdFinishPage.ID);
FPagesList.Add(shepherdFinishPage.ID, shepherdFinishPage);
//// //Temporary Statement to add a subshepherd finish page in addition to the Finish page above
//// TPetraShepherdFinishPage shepherdSubFinishPage = new TPetraShepherdFinishPage(XmlPages, "SubShepherd");
//// TLogging.Log("Adding a shepherd sub-finish page: " + shepherdSubFinishPage.ID);
//// FPagesList.Add(shepherdSubFinishPage.ID, shepherdSubFinishPage);
TLogging.Log("TPetraShepherdPagesList Constructor ran successfully.");
}
/// <summary>
/// Switches to the 'next' page (whatever page this is!).
/// </summary>
public virtual void HandleActionNext()
{
TLogging.Log("HandleActionNext (in TPetraShepherdFormLogic)");
string nextPage = ""; //temporary string to hold the key of the StartPage
bool hasPassedCurrentPage = false; // used to tell if the iteration has already checked to see if you have passed the current page.
bool hasPassedItAgain = false;
foreach (KeyValuePair <string, TPetraShepherdPage> pair in FShepherdPages.Pages)
{
// TODO: there has to be a better way to handle iterating through the loop one more time; it works now, but is ugly.
if (hasPassedCurrentPage)
{
hasPassedItAgain = true;
}
if (pair.Key == CurrentPage.ID)
{
TLogging.Log("Found the equivilance.");
hasPassedCurrentPage = true;
TLogging.Log("Set the hasPassedCurrentPage bool to true.");
}
if (pair.Value.Visible && pair.Value.Enabled && hasPassedItAgain)
{
TLogging.Log("Switchtonextpage foreach loop returned the following value that was both visible and enabled: " + pair.Key);
nextPage = pair.Key;
CurrentPage = pair.Value;
break;
}
}
TLogging.Log("temporary next page was assigned to " + nextPage + " in HandleActionNext().");
// TODO: rather than a try/catch statement, the next button should instead be greyed out
try
{
SwitchToPage(nextPage);
}
catch (KeyNotFoundException)
{
TLogging.Log("KeyNotFoundException Thrown at HandleActionNext when SwitchToPage(nextPage) was called.");
}
}
/// <summary>
/// Switches the current page.
/// </summary>
protected void SwitchToPage(string APage)
{
TLogging.Log("SwitchToPage (in TPetraShepherdFormLogic) was called for Page '" + APage + "'");
//// ....
CurrentPage = FShepherdPages.Pages[APage];
TLogging.Log("PetraShepherdConcreteForm: SwitchToPage -- Page number = " + CurrentPage.ID);
TLogging.Log("The current Total number of pages is = " + EnumeratePages());
TLogging.Log("The percentage of pages = " + GetProgressBarPercentage());
try
{
FForm.ShowCurrentPage();
}
catch (Exception e)
{
//This line always throws an exception during the first run of the code;
//I don't know if that's okay, but we should probably resolve it.
TLogging.Log("The exception for ShowCurrentPage() in PetraShepherdConcreteForm was caught.");
TLogging.Log(e.Message);
}
}
/// <summary>
/// Constructor for TPetraShepherdPagesList. This function reads in a yaml file from the appropriate
/// namespace, parses it into xmlNodes, and adds them to the list of pages so that they can be read
/// by the individual ShepherdPage constructor, which it calls.
/// </summary>
/// <param name="AYamlFile">Full path to the Shepherd's YAML Definition file.</param>
public TPetraShepherdPagesList(string AYamlFile)
{
TLogging.Log("Entering TPetraShepherdPagesList Constructor. AYamlFile = " + AYamlFile + "...");
TYml2Xml parser = new TYml2Xml(AYamlFile);
XmlDocument XmlPages = parser.ParseYML2XML();
TLogging.Log("TPetraShepherdPagesList currently has this many nodes: " + XmlPages.LastChild.LastChild.LastChild.ChildNodes.Count);
XmlNode temporaryXmlNode = XmlPages.LastChild.LastChild.LastChild.FirstChild; //...LastChild.LastChild.LastChild.FirstChild is required because of the structure of the XML File after parsing.
int counter = 0;
XmlNodeList nodeList;
XmlNode root = XmlPages.DocumentElement;
nodeList = XmlPages.LastChild.LastChild.LastChild.ChildNodes;
TLogging.Log("The amount of nodes in the nodeList in the TPetraShepherdPagesList constructor is as follows: " + nodeList.Count);
foreach (XmlNode node in nodeList)
{
if (node.Name.Contains("SubShepherd."))
{
TLogging.Log("TPetraSHepherdPagesList Constructor loop: Found a sub shepherd.. Skipping.. ");
}
else
{
TPetraShepherdPage temporaryPetraShepherdPage = new TPetraShepherdPage(node); // Constructor call for each page built off an XML node.
TLogging.Log("TPetraShepherdPagesList Constructor loop: THE TITLE OF THE CURRENT PAGE IS: " + temporaryPetraShepherdPage.Title);
FPagesList.Add(temporaryPetraShepherdPage.ID, temporaryPetraShepherdPage);
}
counter++;
}
TPetraShepherdFinishPage shepherdFinishPage = new TPetraShepherdFinishPage(XmlPages);
TLogging.Log("Adding a shepherd finish page: " + shepherdFinishPage.ID);
FPagesList.Add(shepherdFinishPage.ID, shepherdFinishPage);
//// //Temporary Statement to add a subshepherd finish page in addition to the Finish page above
//// TPetraShepherdFinishPage shepherdSubFinishPage = new TPetraShepherdFinishPage(XmlPages, "SubShepherd");
//// TLogging.Log("Adding a shepherd sub-finish page: " + shepherdSubFinishPage.ID);
//// FPagesList.Add(shepherdSubFinishPage.ID, shepherdSubFinishPage);
TLogging.Log("TPetraShepherdPagesList Constructor ran successfully.");
}
/// <summary>
/// Switches to the 'next' page (whatever page this is!).
/// </summary>
public virtual void HandleActionNext()
{
TLogging.Log("HandleActionNext (in TPetraShepherdFormLogic)");
string nextPage = ""; //temporary string to hold the key of the StartPage
bool hasPassedCurrentPage = false; // used to tell if the iteration has already checked to see if you have passed the current page.
bool hasPassedItAgain = false;
foreach (KeyValuePair <string, TPetraShepherdPage>pair in FShepherdPages.Pages)
{
// TODO: there has to be a better way to handle iterating through the loop one more time; it works now, but is ugly.
if (hasPassedCurrentPage)
{
hasPassedItAgain = true;
}
if (pair.Key == CurrentPage.ID)
{
TLogging.Log("Found the equivilance.");
hasPassedCurrentPage = true;
TLogging.Log("Set the hasPassedCurrentPage bool to true.");
}
if (pair.Value.Visible && pair.Value.Enabled && hasPassedItAgain)
{
TLogging.Log("Switchtonextpage foreach loop returned the following value that was both visible and enabled: " + pair.Key);
nextPage = pair.Key;
CurrentPage = pair.Value;
break;
}
}
TLogging.Log("temporary next page was assigned to " + nextPage + " in HandleActionNext().");
// TODO: rather than a try/catch statement, the next button should instead be greyed out
try
{
SwitchToPage(nextPage);
}
catch (KeyNotFoundException)
{
TLogging.Log("KeyNotFoundException Thrown at HandleActionNext when SwitchToPage(nextPage) was called.");
}
}
/// <summary>
/// Switches to the Start page (whatever page this is!).
/// Iterates through FShepherdPages.Pages to find the first page that is both visible and enabled.
/// </summary>
public void SwitchToStartPage()
{
TLogging.Log("SwitchToStartPage (in TPetrashepherdFormLogic)");
string startPage = ""; //temporary string to hold the key of the StartPage
foreach (KeyValuePair <string, TPetraShepherdPage>pair in FShepherdPages.Pages)
{
if (pair.Value.Visible && pair.Value.Enabled)
{
TLogging.Log("SwitchToStartPage foreach loop returned the following value that was both visible and enabled: " + pair.Key);
startPage = pair.Key;
pair.Value.IsFirstPage = true;
CurrentPage = pair.Value;
break;
}
}
TLogging.Log("temporary page was assigned to " + startPage + " in SwitchToStartPage.");
try
{
SwitchToPage(startPage);
}
catch (KeyNotFoundException)
{
TLogging.Log("KeyNotFoundException Thrown in SwitchToStartPage when SwitchToPage(startPage) was called.");
}
}
/// <summary>
/// Switches the current page.
/// </summary>
protected void SwitchToPage(string APage)
{
TLogging.Log("SwitchToPage (in TPetraShepherdFormLogic) was called for Page '" + APage + "'");
//// ....
CurrentPage = FShepherdPages.Pages[APage];
TLogging.Log("PetraShepherdConcreteForm: SwitchToPage -- Page number = " + CurrentPage.ID);
TLogging.Log("The current Total number of pages is = " + EnumeratePages());
TLogging.Log("The percentage of pages = " + GetProgressBarPercentage());
try
{
FForm.ShowCurrentPage();
}
catch (Exception e)
{
//This line always throws an exception during the first run of the code;
//I don't know if that's okay, but we should probably resolve it.
TLogging.Log("The exception for ShowCurrentPage() in PetraShepherdConcreteForm was caught.");
TLogging.Log(e.Message);
}
}