/// <summary>
/// Loads data asynchronously. This method is called via LoadData(string artefactIdentifier) to hide the asynchronous
/// implementation from the caller as the implementation is not relevant to existing client code.
///
/// In many cases, this function will run all-at-once; the function need only yield in the case where data has yet to
/// be loaded from disk or over the network
/// </summary>
/// <param name="artefactIdentifier">The identifier of the artefact to load</param>
private IEnumerator LoadDataAsync(string artefactIdentifier)
{
Debug.Log("ContextPanel_InfoController.LoadDataAsync");
InfoMode.SwitchMode("info");
artefactId = artefactIdentifier;
// If the DublinCoreReader has not been populated with data by some preceding operation, populate it now
if (!DublinCoreReader.HasXml())
{
Debug.Log("Populateding DublinCoreReader");
UnityWebRequest www = UnityWebRequest.Get(Paths.ArtefactMetadata);
yield return(www.Send());
if (www.isError)
{
Debug.Log("There was an error downloading artefact information: " + www.error);
}
else
{
DublinCoreReader.LoadXmlFromText(www.downloadHandler.text);
}
}
Dictionary <string, Dictionary <string, string[]> > data = DublinCoreReader.GetArtefactWithIdentifier(artefactIdentifier);
ArtefactInfoLoad(data);
ContextInfoLoad(data);
ObjectInfoLoad(data);
MediaInfoLoad(data);
MeshInfoLoad(data);
}
public void DownloadXmlFile()
{
WWW www = new WWW(url);
while (!www.isDone)
{
}
DublinCoreReader.LoadXmlFromText(www.text);
}
/// <summary>
/// Asynchronous, private implementation for the public-facing ImportArtefacts(...) method. Allows the caller to
/// ignore any implementation details (i.e. they do not need to call StartCoroutine, etc.
///
/// Checks to see if the DublinCoreReader has data available, otherwise it downloads it in a non-blocking fashion.
///
/// When data is present, it is used to import meshes, textures, and metadata, and instantiate objects
/// </summary>
/// <param name="collectId">Collection identifier.</param>
IEnumerator DownloadArtefactXmlAndImportArtefacts(string collectId)
{
if (!DublinCoreReader.HasXml())
{
UnityWebRequest www = UnityWebRequest.Get(Paths.ArtefactMetadata); //Paths.Remote + "/Metadata/Vertice_ArtefactInformation.xml"
yield return(www.Send());
if (www.isError)
{
// TODO: Echo the error condition to the user
Debug.Log("Couldn't download XML file" + www.error);
}
else
{
DublinCoreReader.LoadXmlFromText(www.downloadHandler.text);
Debug.Log("Downloaded some XML");
}
}
GetIdentifiers(collectId);
}
/// <summary>
/// Provides a backing for GetAttributes(string browseType) that can load data in to the DublinCoreReader asynchronously in the case
/// where the DCReader has yet to be populated with data
/// </summary>
/// <param name="browseType">The field to browse on</param>
private IEnumerator GetAttributesAsync(string browseType)
{
// If the DublinCoreReader has not been populated with data by some preceding operation, populate it now
if (!DublinCoreReader.HasXml())
{
Debug.Log("Populating DublinCoreReader");
UnityWebRequest www = UnityWebRequest.Get(Paths.ArtefactMetadata); //Paths.Remote + "/Metadata/Vertice_ArtefactInformation.xml"
yield return(www.Send());
if (www.isError)
{
Debug.Log("There was an error downloading artefact information: " + www.error);
}
else
{
DublinCoreReader.LoadXmlFromText(www.downloadHandler.text);
}
}
BrowseMode(browseType);
}
/// <summary>
/// Provides a backing for LoadMedia() that can load data in to the DublinCoreReader asynchronously in the case
/// where the DCReader has yet to be populated with data
/// </summary>
IEnumerator LoadMediaAsync()
{
// If the DublinCoreReader has not been
if (!DublinCoreReader.HasXml())
{
UnityWebRequest www = UnityWebRequest.Get(Paths.ArtefactMetadata); //Paths.Remote + "/Metadata/Vertice_ArtefactInformation.xml"
yield return(www.Send());
if (www.isError)
{
// TODO: Echo the error condition to the user
Debug.Log("Couldn't download XML file" + www.error);
}
else
{
DublinCoreReader.LoadXmlFromText(www.downloadHandler.text);
Debug.Log("Downloaded some XML");
}
}
CheckToggles();
}
