internal void Initialise(XmlLayoutController controller)
{
this.controller = controller;
DetectCalculatedProperties();
ObserveExistingLists();
}
internal void Initialise(XmlLayoutController controller, XmlLayoutViewModel viewModel, string path)
{
this.controller = controller;
this.viewModel = viewModel;
this.path = path;
DetectCalculatedProperties();
ObserveExistingLists();
InitializeViewModelChildren();
}
void Awake()
{
m_awake = true;
if (Application.isPlaying)
{
if (PreloadXmlLayoutCache)
{
HandlePreload();
}
if (ForceRebuildOnAwake)
{
if (XmlFile != null && ForceReloadXmlFileOnAwake)
{
ReloadXmlFile();
}
else
{
RebuildLayout(true);
}
}
}
#if UNITY_EDITOR
if (!Application.isPlaying)
{
if (XmlFile != null)
{
if (Xml != XmlFile.text)
{
Debug.Log("[XmlLayout] : '" + XmlFile.name + "' has changed - reloading file and rebuilding layout.");
ReloadXmlFile();
// Calling MarkSceneDirty here doesn't seem to work, but delaying the call to the end of the frame does
XmlLayoutTimer.AtEndOfFrame(() => UnityEditor.SceneManagement.EditorSceneManager.MarkSceneDirty(this.gameObject.scene), this);
}
}
}
#endif
if (Application.isPlaying && !ForceRebuildOnAwake)
{
SetupElementEventHandlers();
if (XmlLayoutController != null)
{
XmlLayoutTimer.DelayedCall(0.1f, () => XmlLayoutController.LayoutRebuilt(ParseXmlResult.Changed), this);
}
}
IsReady = true;
}
/// <summary>
/// Clear the contents of this XmlLayout and rebuild it (using the Xml value)
/// Call this after changing the Xml value for changes to take effect
/// </summary>
public void RebuildLayout(bool forceEvenIfXmlUnchanged = false, bool throwExceptionIfXmlIsInvalid = false)
{
if (!forceEvenIfXmlUnchanged && (!this.gameObject.activeInHierarchy || !m_awake))
{
return;
}
if (rebuildInProgress)
{
return;
}
rebuildInProgress = true;
// Clear the child collection
this.XmlElement.childElements.Clear();
var parseResult = ParseXml(null, true, true, forceEvenIfXmlUnchanged, throwExceptionIfXmlIsInvalid);
// Notify the XmlLayoutController that the Layout has been rebuilt
if (XmlLayoutController != null)
{
XmlLayoutController.ViewModelUpdated(false);
XmlLayoutController.NotifyXmlElementReferencesOfLayoutRebuild();
XmlLayoutController.PreLayoutRebuilt();
XmlLayoutController.LayoutRebuilt(parseResult);
XmlLayoutController.PostLayoutRebuilt();
}
#if UNITY_EDITOR
if (!Application.isPlaying && parseResult != ParseXmlResult.Unchanged)
{
UnityEditor.SceneManagement.EditorSceneManager.MarkSceneDirty(this.gameObject.scene);
}
#endif
rebuildInProgress = false;
}
/// <summary>
///
/// </summary>
/// <param name="xmlToParse">The xml to parse. If this argument is null, then this method will use this XmlLayout's 'Xml' property instead.</param>
/// <param name="clearContents">Should the contents of this XmlLayout be cleared before parsing the xml?</param>
/// <param name="loadDefaultsFiles">Should the defaults files (if any) be loaded before parsing the xml?</param>
/// <param name="forceEvenIfXmlUnchanged">Should the xml be parsed if it hasn't changed? (only applicable if xmlToParse is null)</param>
/// <param name="throwExceptionIfXmlIsInvalid">Should an exception be thrown if the Xml contains errors?</param>
ParseXmlResult ParseXml(string xmlToParse = null,
bool clearContents = true,
bool loadDefaultsFiles = true,
bool forceEvenIfXmlUnchanged = false,
bool throwExceptionIfXmlIsInvalid = false)
{
if (xmlToParse == null)
{
if (!forceEvenIfXmlUnchanged)
{
// If our Xml hasn't changed, and we aren't required to force update, then don't continue
// Note: this only happens if xmlToParse is null (which means we are parsing the primary Xml of this XmlLayout)
if (previousXml.Equals(Xml))
{
return(ParseXmlResult.Unchanged);
}
}
previousXml = Xml;
xmlToParse = Xml;
}
if (XmlLayoutController != null)
{
xmlToParse = XmlLayoutController.ProcessViewModel(xmlToParse);
}
xmlToParse = HandleLocalization(xmlToParse);
var xmlDoc = new XmlDocument();
try
{
xmlDoc.LoadXml(xmlToParse);
}
catch (XmlException e)
{
var message = String.Format("[XmlLayout][{0}] Error parsing XML data: {1}", this.name, e.Message);
Debug.LogError(message);
if (throwExceptionIfXmlIsInvalid)
{
throw e;
}
return(ParseXmlResult.Failed);
}
if (clearContents)
{
// For some reason, especially in edit mode, iterating through the child objects of this transform doesn't always iterate through all of the objects
// repeating the action twice seems to be sufficient
for (var x = 0; x < 2; x++)
{
ClearContents();
}
}
if (loadDefaultsFiles && DefaultsFiles != null)
{
defaultAttributeValues.Clear();
DefaultsFiles.ForEach(f =>
{
if (f != null)
{
ParseXml(f.text, false, false, true);
}
});
}
var rectTransform = this.transform as RectTransform;
ParseNode(xmlDoc.DocumentElement, rectTransform, rectTransform, true);
return(ParseXmlResult.Changed);
}
