/**
* @param jsonObject : json object
* @param parent : parent viewGroup
* @param holderClass : class that will be created as an holder and attached as a tag in the View, If contains HashMap ids will replaced with idsMap
* @return the view that created
*/
public static View createView(Context context, JSONObject jsonObject, ViewGroup parent, Type holderClass)
{
if (jsonObject == null)
{
return(null);
}
JavaDictionary <string, int> ids = new JavaDictionary <string, int>();
View container = createViewInternal(context, jsonObject, parent, ids);
if (container == null)
{
return(null);
}
if (container.GetTag(INTERNAL_TAG_ID) != null)
{
DynamicHelper.applyLayoutProperties(container, (JavaList <DynamicProperty>)container.GetTag(INTERNAL_TAG_ID), parent, ids);
}
/* clear tag from properties */
container.Tag = (INTERNAL_TAG_ID);
if (holderClass != null)
{
try
{
object holder = holderClass.Assembly.CreateInstance(holderClass.FullName);//.GetConstructor().NewInstance();
DynamicHelper.parseDynamicView(holder, container, ids);
container.Tag = (Java.Lang.Object)(holder);
}
catch (InstantiationException e)
{
e.PrintStackTrace();
}
catch (IllegalAccessException e)
{
e.PrintStackTrace();
}
catch (NoSuchMethodException e)
{
e.PrintStackTrace();
}
catch (InvocationTargetException e)
{
e.PrintStackTrace();
}
}
return(container);
}
/**
* @param jsonObject : json object
* @param parent : parent viewGroup
* @return the view that created
*/
//public static View createView(Context context, JSONObject jsonObject, ViewGroup parent)
//{
// return createView(context, jsonObject, parent, null);
//}
///**
// * @param jsonObject : json object
// * @return the view that created
// */
//public static View createView(Context context, JSONObject jsonObject)
//{
// return createView(context, jsonObject, null, null);
//}
/**
* use internal to parse the json as a tree to create View
* @param jsonObject : json object
* @param ids : the hashMap where we keep ids as string from json to ids as int in the layout
* @return the view that created
*/
private static View createViewInternal(Context context, JSONObject jsonObject, ViewGroup parent, JavaDictionary <string, int> ids)
{
View view = null;
JavaList <DynamicProperty> properties;
try
{
/* Create the View Object. If not full package is available try to create a view from android.widget */
string widget = jsonObject.GetString("widget");
if (!widget.Contains("."))
{
widget = "android.widget." + widget;
}
Class viewClass = Class.ForName(widget);
/* create the actual view object */
view = (View)viewClass.GetConstructor(Java.Lang.Class.FromType(typeof(Context))).NewInstance(new Java.Lang.Object[] { context });
}
catch (JSONException e)
{
e.PrintStackTrace();
}
catch (ClassNotFoundException e)
{
e.PrintStackTrace();
}
catch (NoSuchMethodException e)
{
e.PrintStackTrace();
}
catch (InvocationTargetException e)
{
e.PrintStackTrace();
}
catch (InstantiationException e)
{
e.PrintStackTrace();
}
catch (IllegalAccessException e)
{
e.PrintStackTrace();
}
if (view == null)
{
return(null);
}
try
{
/* default Layout in case the user not set it */
ViewGroup.LayoutParams paramss = DynamicHelper.createLayoutParams(parent);
view.LayoutParameters = (paramss);
/* iterrate json and get all properties in array */
properties = new JavaList <DynamicProperty>();
JSONArray jArray = jsonObject.GetJSONArray("properties");
if (jArray != null)
{
for (int i = 0; i < jArray.Length(); i++)
{
DynamicProperty p = new DynamicProperty(jArray.GetJSONObject(i));
if (p.isValid())
{
properties.Add(p);
}
}
}
/* keep properties obj as a tag */
view.SetTag(INTERNAL_TAG_ID, properties);
/* add and integer as a universal id and keep it in a hashmap */
string id = DynamicHelper.applyStyleProperties(view, properties);
if (!TextUtils.IsEmpty(id))
{
/* to target older versions we cannot use View.generateViewId(); */
ids.Add(id, mCurrentId);//.Put(id, mCurrentId);
view.Id = (mCurrentId);
mCurrentId++;
}
/* if view is type of ViewGroup check for its children view in json */
if (view.GetType().BaseType == typeof(ViewGroup))
{
ViewGroup viewGroup = (ViewGroup)view;
/* parse the aray to get the children views */
JavaList <View> views = new JavaList <View>();
JSONArray jViews = jsonObject.OptJSONArray("views");
if (jViews != null)
{
int count = jViews.Length();
for (int i = 0; i < count; i++)
{
/* create every child add it in viewGroup and set its tag with its properties */
View dynamicChildView = DynamicView.createViewInternal(context, jViews.GetJSONObject(i), parent, ids);
if (dynamicChildView != null)
{
views.Add(dynamicChildView);
viewGroup.AddView(dynamicChildView);
}
}
}
/* after create all the children apply layout properties
* we need to do this after al children creation to have create all possible ids */
foreach (View v in views)
{
DynamicHelper.applyLayoutProperties(v, (JavaList <DynamicProperty>)v.GetTag(INTERNAL_TAG_ID), viewGroup, ids);
/* clear tag from properties */
v.SetTag(INTERNAL_TAG_ID, null);
}
}
}
catch (JSONException e) {
e.PrintStackTrace();
}
return(view);
}