/** Create shadow wrapper with a pinned view for a view at given position */
void createPinnedShadow(int position)
{
// try to recycle shadow
PinnedSection pinnedShadow = mRecycleSection;
mRecycleSection = null;
// create new shadow, if needed
if (pinnedShadow == null)
{
pinnedShadow = new PinnedSection();
}
// request new view using recycled view, if such
View pinnedView = Adapter.GetView(position, pinnedShadow.view, this);
// read layout parameters
LayoutParams layoutParams = (LayoutParams)pinnedView.LayoutParameters;
if (layoutParams == null) // create default layout params
{
layoutParams = new LayoutParams(LayoutParams.MatchParent, LayoutParams.WrapContent);
//layoutParams = (LayoutParams) GenerateDefaultLayoutParams (); //generateDefaultLayoutParams();
layoutParams = new LayoutParams(GenerateDefaultLayoutParams());
pinnedView.LayoutParameters = layoutParams;
}
MeasureSpecMode heightMode = MeasureSpec.GetMode(layoutParams.Height);
int heightSize = MeasureSpec.GetSize(layoutParams.Height);
if (heightMode == MeasureSpecMode.Unspecified)
{
heightMode = MeasureSpecMode.Exactly;
}
int maxHeight = Height - ListPaddingTop - ListPaddingBottom;
if (heightSize > maxHeight)
{
heightSize = maxHeight;
}
//---------------------------------------------
// measure & layout
try{
int ws = MeasureSpec.MakeMeasureSpec(Width - ListPaddingLeft - ListPaddingRight, MeasureSpecMode.Exactly);
//int hs = MeasureSpec.MakeMeasureSpec(heightSize, heightMode);
int myNegInt = System.Math.Abs(heightSize) * (-1);
int hs = MeasureSpec.MakeMeasureSpec(heightSize, heightMode);
pinnedView.Measure(Convert.ToInt32(ws), Convert.ToInt32(hs));
}
catch (Exception ex) {
System.Console.WriteLine(ex.Message.ToString());
}
mTranslateY = 0;
pinnedView.Layout(0, 0, pinnedView.MeasuredWidth, pinnedView.MeasuredHeight);
// initialize pinned shadow
pinnedShadow.view = pinnedView;
pinnedShadow.position = position;
pinnedShadow.id = Adapter.GetItemId(position);
// store pinned shadow
mPinnedSection = pinnedShadow;
}
/** Destroy shadow wrapper for currently pinned view */
void destroyPinnedShadow()
{
if (mPinnedSection != null)
{
// keep shadow for being recycled later
mRecycleSection = mPinnedSection;
mPinnedSection = null;
}
}
/** Create shadow wrapper with a pinned view for a view at given position */
void createPinnedShadow(int position)
{
// try to recycle shadow
PinnedSection pinnedShadow = mRecycleSection;
mRecycleSection = null;
// create new shadow, if needed
if (pinnedShadow == null)
{
pinnedShadow = new PinnedSection();
}
// request new view using recycled view, if such
View pinnedView = Adapter.GetView(position, pinnedShadow.view, this);
// read layout parameters
LayoutParams layoutParams = (LayoutParams)pinnedView.LayoutParameters;
if (layoutParams == null) // create default layout params
{
layoutParams = new LayoutParams(LayoutParams.MatchParent, LayoutParams.WrapContent);
}
MeasureSpecMode heightMode = MeasureSpec.GetMode(layoutParams.Height);
int heightSize = MeasureSpec.GetSize(layoutParams.Height);
if (heightMode == MeasureSpecMode.Unspecified)
{
heightMode = MeasureSpecMode.Exactly;
}
int maxHeight = Height - ListPaddingTop - ListPaddingBottom;
if (heightSize > maxHeight)
{
heightSize = maxHeight;
}
// measure & layout
int ws = MeasureSpec.MakeMeasureSpec(Width - ListPaddingLeft - ListPaddingRight, MeasureSpecMode.Exactly);
int hs = MeasureSpec.MakeMeasureSpec(heightSize, heightMode);
pinnedView.Measure(ws, hs);
pinnedView.Layout(0, 0, pinnedView.MeasuredWidth, pinnedView.MeasuredHeight);
mTranslateY = 0;
// initialize pinned shadow
pinnedShadow.view = pinnedView;
pinnedShadow.position = position;
pinnedShadow.id = Adapter.GetItemId(position);
// store pinned shadow
mPinnedSection = pinnedShadow;
}
/** Destroy shadow wrapper for currently pinned view */
void destroyPinnedShadow() {
if (mPinnedSection != null) {
// keep shadow for being recycled later
mRecycleSection = mPinnedSection;
mPinnedSection = null;
}
}
/** Create shadow wrapper with a pinned view for a view at given position */
void createPinnedShadow(int position) {
// try to recycle shadow
PinnedSection pinnedShadow = mRecycleSection;
mRecycleSection = null;
// create new shadow, if needed
if (pinnedShadow == null) pinnedShadow = new PinnedSection();
// request new view using recycled view, if such
View pinnedView = Adapter.GetView(position, pinnedShadow.view, this);
// read layout parameters
LayoutParams layoutParams = (LayoutParams) pinnedView.LayoutParameters;
if (layoutParams == null) { // create default layout params
layoutParams = new LayoutParams(LayoutParams.MatchParent, LayoutParams.WrapContent);
}
MeasureSpecMode heightMode = MeasureSpec.GetMode(layoutParams.Height);
int heightSize = MeasureSpec.GetSize(layoutParams.Height);
if (heightMode == MeasureSpecMode.Unspecified) heightMode = MeasureSpecMode.Exactly;
int maxHeight = Height - ListPaddingTop - ListPaddingBottom;
if (heightSize > maxHeight) heightSize = maxHeight;
// measure & layout
int ws = MeasureSpec.MakeMeasureSpec(Width - ListPaddingLeft - ListPaddingRight, MeasureSpecMode.Exactly);
int hs = MeasureSpec.MakeMeasureSpec(heightSize, heightMode);
pinnedView.Measure(ws, hs);
pinnedView.Layout(0, 0, pinnedView.MeasuredWidth, pinnedView.MeasuredHeight);
mTranslateY = 0;
// initialize pinned shadow
pinnedShadow.view = pinnedView;
pinnedShadow.position = position;
pinnedShadow.id = Adapter.GetItemId(position);
// store pinned shadow
mPinnedSection = pinnedShadow;
}
/** Create shadow wrapper with a pinned view for a view at given position */
void createPinnedShadow(int position) {
// try to recycle shadow
PinnedSection pinnedShadow = mRecycleSection;
mRecycleSection = null;
// create new shadow, if needed
if (pinnedShadow == null) pinnedShadow = new PinnedSection();
// request new view using recycled view, if such
View pinnedView = Adapter.GetView(position, pinnedShadow.view, this);
// read layout parameters
LayoutParams layoutParams = (LayoutParams) pinnedView.LayoutParameters;
if (layoutParams == null) { // create default layout params
layoutParams = new LayoutParams(LayoutParams.MatchParent, LayoutParams.WrapContent);
//layoutParams = (LayoutParams) GenerateDefaultLayoutParams (); //generateDefaultLayoutParams();
layoutParams = new LayoutParams (GenerateDefaultLayoutParams ());
pinnedView.LayoutParameters = layoutParams;
}
MeasureSpecMode heightMode = MeasureSpec.GetMode(layoutParams.Height);
int heightSize = MeasureSpec.GetSize(layoutParams.Height);
if (heightMode == MeasureSpecMode.Unspecified) heightMode = MeasureSpecMode.Exactly;
int maxHeight = Height - ListPaddingTop - ListPaddingBottom;
if (heightSize > maxHeight) heightSize = maxHeight;
//---------------------------------------------
// measure & layout
try{
int ws = MeasureSpec.MakeMeasureSpec(Width - ListPaddingLeft - ListPaddingRight, MeasureSpecMode.Exactly);
//int hs = MeasureSpec.MakeMeasureSpec(heightSize, heightMode);
int myNegInt = System.Math.Abs(heightSize) * (-1);
int hs = MeasureSpec.MakeMeasureSpec(heightSize, heightMode);
pinnedView.Measure(Convert.ToInt32(ws), Convert.ToInt32(hs));
}
catch(Exception ex){
System.Console.WriteLine (ex.Message.ToString());
}
mTranslateY = 0;
pinnedView.Layout(0, 0, pinnedView.MeasuredWidth, pinnedView.MeasuredHeight);
// initialize pinned shadow
pinnedShadow.view = pinnedView;
pinnedShadow.position = position;
pinnedShadow.id = Adapter.GetItemId(position);
// store pinned shadow
mPinnedSection = pinnedShadow;
}
