public void AddFooterView(View v, Object data, bool isSelectable) {
IListAdapter mAdapter = Adapter;
if (mAdapter != null && !(mAdapter is HeaderViewGridAdapter)) {
throw new Java.Lang.IllegalStateException(
"Cannot add header view to grid -- setAdapter has already been called.");
}
ViewGroup.LayoutParams lyp = v.LayoutParameters;
FixedViewInfo info = new FixedViewInfo();
FrameLayout fl = new FullWidthFixedViewLayout(Context,this);
if (lyp != null) {
v.LayoutParameters=new FrameLayout.LayoutParams(lyp.Width, lyp.Height);
fl.LayoutParameters=new AbsListView.LayoutParams(lyp.Width, lyp.Height);
}
fl.AddView(v);
info.view = v;
info.viewContainer = fl;
info.data = data;
info.isSelectable = isSelectable;
_footerViewInfos.Add(info);
if (mAdapter != null) {
((HeaderViewGridAdapter) mAdapter).notifyDataSetChanged();
}
}
public void AddFooterView(View v, Java.Lang.Object data, bool isSelectable)
{
IListAdapter adapter = (IListAdapter)Adapter;
if (adapter != null && !(adapter is HeaderFooterViewGridAdapter))
{
throw new IllegalStateException("Cannot add footer view to grid -- setAdapter has already been called.");
}
FixedViewInfo info = new FixedViewInfo();
FrameLayout fl = new FullWidthFixedViewLayout(this, Context);
fl.AddView(v);
info.view = v;
info.viewContainer = fl;
info.data = data;
info.isSelectable = isSelectable;
mFooterViewInfos.Add(info);
// in the case of re-adding a header view, or adding one later on,
// we need to notify the observer
if (adapter != null)
{
((HeaderFooterViewGridAdapter)adapter).notifyDataSetChanged();
}
}
/**
* Add a fixed view to appear at the top of the grid. If addHeaderView is
* called more than once, the views will appear in the order they were
* added. Views added using this call can take focus if they want.
* <p/>
* NOTE: Call this before calling setAdapter. This is so HeaderGridView can wrap
* the supplied cursor with one that will also account for header views.
*
* @param v The view to add.
* @param data Data to associate with this view
* @param isSelectable whether the item is selectable
*/
public void AddHeaderView(View v, Object data, bool isSelectable) {
IListAdapter adapter = Adapter;
if (adapter != null && !(adapter is HeaderViewGridAdapter)) {
throw new Java.Lang.IllegalStateException(
"Cannot add header view to grid -- setAdapter has already been called.");
}
ViewGroup.LayoutParams lyp = v.LayoutParameters;
FixedViewInfo info = new FixedViewInfo();
FrameLayout fl = new FullWidthFixedViewLayout(Context,this);
if (lyp == null) {
lyp = new ViewGroup.LayoutParams (WindowManagerLayoutParams.MatchParent,WindowManagerLayoutParams.MatchParent);
}
if (lyp != null) {
v.LayoutParameters=new FrameLayout.LayoutParams(lyp.Width, lyp.Height);
fl.LayoutParameters=new AbsListView.LayoutParams(lyp.Width, lyp.Height);
}
fl.AddView(v);
info.view = v;
info.viewContainer = fl;
info.data = data;
info.isSelectable = isSelectable;
_headerViewInfos.Add(info);
// in the case of re-adding a header view, or adding one later on,
// we need to notify the observer
if (adapter != null) {
((HeaderViewGridAdapter) adapter).notifyDataSetChanged();
}
}
private void RemoveFixedViewInfo(View v, List<FixedViewInfo> where) {
int len = where.Count;
for (int i = 0; i < len; ++i) {
FixedViewInfo info = where[i];
if (info.view == v) {
where.RemoveAt(i);
break;
}
}
}
public bool removeFooter(View v) {
for (int i = 0; i < _footerViewInfos.Count; i++) {
FixedViewInfo info = _footerViewInfos.ElementAt(i);
if (info.view == v) {
_footerViewInfos.RemoveAt(i);
areAllFixedViewsSelectable =
areAllListInfosSelectable(_headerViewInfos) && areAllListInfosSelectable(_footerViewInfos);
dataSetObservable.NotifyChanged();
return true;
}
}
return false;
}
private void RemoveFixedViewInfo(View v, List<FixedViewInfo> list)
{
int len = list.Count;
for (int i = 0; i < len; ++i)
{
FixedViewInfo info = list[i];
if (info.view == v)
{
list.RemoveAt(i);
break;
}
}
}
public bool RemoveHeader(View v)
{
for (int i = 0; i < mHeaderViewInfos.Count; i++)
{
FixedViewInfo info = mHeaderViewInfos[i];
if (info.view == v)
{
mHeaderViewInfos.RemoveAt(i);
mAreAllFixedViewsSelectable = AreAllListInfosSelectable(mHeaderViewInfos);
mDataSetObservable.NotifyChanged();
return(true);
}
}
return(false);
}
public bool RemoveFooter(View v)
{
for (int i = 0; i < _footerViewInfos.Count; i++)
{
FixedViewInfo info = _footerViewInfos[i];
if (info.View == v)
{
_footerViewInfos.RemoveAt(i);
_areAllFixedViewsSelectable =
AreAllListInfosSelectable(_headerViewInfos) && AreAllListInfosSelectable(_footerViewInfos);
_dataSetObservable.NotifyChanged();
return(true);
}
}
return(false);
}
public bool RemoveFooter(View v)
{
for (int i = 0; i < mFooterViewInfos.Count; i++)
{
FixedViewInfo info = mFooterViewInfos[i];
if (info.view == v)
{
mFooterViewInfos.RemoveAt(i);
mAreAllFixedViewsSelectable = (AreAllListInfosSelectable(mHeaderViewInfos) && AreAllListInfosSelectable(mFooterViewInfos));
mDataSetObservable.NotifyChanged();
return true;
}
}
return false;
}
private IList <FixedViewInfo> GetFixedViewInfos(int id)
{
var viewInfos = new List <FixedViewInfo>();
View view = GetBoundView(id);
if (view != null)
{
var info = new FixedViewInfo(this)
{
Data = null,
IsSelectable = true,
View = view,
};
viewInfos.Add(info);
}
return(viewInfos);
}
public void AddHeaderView(View v, Object data, bool isSelectable)
{
IListAdapter adapter = Adapter;
if (adapter != null && !(adapter is HeaderViewGridAdapter))
{
throw new IllegalStateException("Cannot add header view to grid -- setAdapter has already been called.");
}
FixedViewInfo info = new FixedViewInfo();
FrameLayout fl = new FullWidthFixedViewLayout(this, Context);
fl.AddView(v);
info.View = v;
info.ViewContainer = fl;
info.Data = data;
info.IsSelectable = isSelectable;
_mHeaderViewInfos.Add(info);
// in the case of re-adding a header view, or adding one later on,
// we need to notify the observer
if (adapter != null)
{
((HeaderViewGridAdapter)adapter).NotifyDataSetChanged();
}
}
