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#include "viewGridNavigator.h"
#include <iostream>
#include "plexSdOsd.h"
#include "pictureCache.h"
#include "tokendefinitions.h"
unsigned int cGridElement::AbsoluteGridIdCounter = 0;
cGridElement::cGridElement()
{
m_iGridId = AbsoluteGridIdCounter++;
Position = -1;
m_bInit = true;
}
cViewGridNavigator::cViewGridNavigator(std::shared_ptr<skindesignerapi::cOsdView> rootView)
{
m_columns = 2;
m_rows = 2;
m_startIndex = 0;
m_endIndex = 0;
m_newDimensions = true;
m_setIterator = true;
m_pGrid = NULL;
m_pRootView = rootView;
}
void cViewGridNavigator::SetViewGrid(std::shared_ptr<skindesignerapi::cViewGrid> grid)
{
if (grid) {
if(m_pGrid) m_pGrid->Clear();
m_pGrid = std::shared_ptr<skindesignerapi::cViewGrid>(grid);
}
}
void cViewGridNavigator::ReDraw(cGridElement* element)
{
if(element) {
cMutexLock MutexLock(&cPlexSdOsd::RedrawMutex);
if (!element->IsVisible()) {
std::cout << "ReDraw element not visible" << std::endl;
return;
}
double x, y;
element->GetPosition(x, y);
element->AddTokens(m_pGrid);
m_pGrid->AddIntToken((int)eTokenGridInt::columns, m_columns);
m_pGrid->AddIntToken((int)eTokenGridInt::rows, m_rows);
double width = 1.0 / m_columns;
double height = 1.0 / m_rows;
m_pGrid->SetGrid(element->GridElementId(), x, y, width, height);
Flush();
}
}
void cViewGridNavigator::FilterElements(int scrollOffset)
{
if(m_vElements.size() == 0) return;
m_startIndex += scrollOffset;
if(m_startIndex < 0) m_startIndex = 0;
m_endIndex = m_startIndex + (m_rows * m_columns);
if(m_endIndex > (int)m_vElements.size()) m_endIndex = m_vElements.size();
if(scrollOffset > 0 && m_startIndex >= m_endIndex) {
// allign elements
int delta = m_vElements.size() % m_columns;
delta = m_rows * m_columns - m_columns + delta;
m_startIndex = m_endIndex - delta;
}
int i = 0;
int pos = 0;
for(auto it = m_vElements.begin(); it != m_vElements.end(); ++it) {
if(i >= m_startIndex && i < m_endIndex) {
cGridElement *elem = *it;
elem->Position = pos++;
SetGridElementData(elem);
if(m_setIterator) {
m_activeElementIter = it;
m_pGrid->SetCurrent((*m_activeElementIter)->GridElementId(), true);
m_setIterator = false;
}
} else {
m_pGrid->Delete((*it)->GridElementId());
(*it)->Dirty();
(*it)->Position = -1;
(*it)->SetPosition(-1,-1);
// Remove Queued Downloads
cPictureCache::GetInstance().Remove(*it);
}
i++;
}
m_newDimensions = false;
}
void cViewGridNavigator::SetGridElementData(cGridElement *obj)
{
// calculate position
double row, column, x, y, height, width;
row = floor(obj->Position / m_columns);
column = obj->Position - (row * m_columns);
width = 1.0 / m_columns;
height = 1.0 / m_rows;
x = width * column;
y= height * row;
cMutexLock MutexLock(&cPlexSdOsd::RedrawMutex);
if(obj->IsNew() || m_newDimensions) {
// fill data
obj->SetPosition(x, y);
obj->AddTokens(m_pGrid, true, std::bind(&cViewGridNavigator::ReDraw, this, std::placeholders::_1));
// set GridDimensions
m_pGrid->AddIntToken((int)eTokenGridInt::columns, m_columns);
m_pGrid->AddIntToken((int)eTokenGridInt::rows, m_rows);
m_pGrid->AddIntToken((int)eTokenGridInt::position, obj->AbsolutePosition);
m_pGrid->AddIntToken((int)eTokenGridInt::totalcount, m_vElements.size());
m_pGrid->SetGrid(obj->GridElementId(), x, y, width, height);
obj->InitFinished();
} else {
obj->SetPosition(x, y);
m_pGrid->MoveGrid(obj->GridElementId(), x, y, width, height);
}
}
cGridElement* cViewGridNavigator::SelectedObject()
{
if(!m_setIterator)
return *m_activeElementIter;
return NULL;
}
void cViewGridNavigator::SetGridDimensions(int rows, int columns)
{
m_rows = rows;
m_columns = columns;
m_newDimensions = true;
}
bool cViewGridNavigator::NavigateDown()
{
if (m_setIterator ) return false;
auto next = m_activeElementIter + m_columns;
bool scrollallaround = false;
if (next >= m_vElements.end() && Config::GetInstance().ScrollAllAround) {
next = m_vElements.begin();
scrollallaround = true;
} else if(next >= m_vElements.end()) {
next = m_activeElementIter; // stay at current element //m_vElements.end()-1;
return false;
}
// scroll down?
if(!(*next)->IsVisible()) {
int scrolloffset = m_columns;
if(Config::GetInstance().ScrollByPage) {
scrolloffset = m_columns*m_rows;
}
if(scrollallaround)
scrolloffset = -((*m_activeElementIter)->AbsolutePosition);
FilterElements(scrolloffset);
}
m_pGrid->SetCurrent((*m_activeElementIter)->GridElementId(), false);
m_pGrid->SetCurrent((*next)->GridElementId(), true);
m_activeElementIter = next;
return true;
}
bool cViewGridNavigator::NavigateUp()
{
if (m_setIterator) return false;
auto next = m_activeElementIter - m_columns;
bool scrollallaround = false;
if (next < m_vElements.begin() && Config::GetInstance().ScrollAllAround) {
next = m_vElements.end() - 1;
scrollallaround = true;
} else if(next < m_vElements.begin()) {
next = m_activeElementIter; // stay at current element //m_vElements.end()-1;
return false;
}
//scroll up?
if(!(*next)->IsVisible()) {
int scrolloffset = -m_columns;
if(Config::GetInstance().ScrollByPage) {
scrolloffset = -m_columns*m_rows;
}
if(scrollallaround)
scrolloffset = m_vElements.size();
FilterElements(scrolloffset);
}
m_pGrid->SetCurrent((*m_activeElementIter)->GridElementId(), false);
m_pGrid->SetCurrent((*next)->GridElementId(), true);
m_activeElementIter = next;
return true;
}
bool cViewGridNavigator::NavigateLeft()
{
if (m_setIterator || m_activeElementIter == m_vElements.begin()) return false;
auto next = m_activeElementIter - 1;
if (m_columns == 1) {
next = m_activeElementIter - m_rows;
FilterElements(-m_rows);
}
if(next < m_vElements.begin()) next = m_vElements.begin();
if(!(*next)->IsVisible()) {
auto temp = m_activeElementIter;
if(Config::GetInstance().ScrollByPage)
FilterElements(-m_columns*m_rows);
else
FilterElements(-m_columns);
m_activeElementIter = temp;
}
m_pGrid->SetCurrent((*m_activeElementIter)->GridElementId(), false);
m_pGrid->SetCurrent((*next)->GridElementId(), true);
m_activeElementIter = next;
return true;
}
bool cViewGridNavigator::NavigateRight()
{
if (m_setIterator || m_activeElementIter == m_vElements.end() - 1) return false;
auto next = m_activeElementIter + 1;
if (m_columns == 1) {
next = m_activeElementIter + m_rows;
FilterElements(m_rows);
}
if(next >= m_vElements.end()) next = m_vElements.end()-1;
if(!(*next)->IsVisible()) {
if(Config::GetInstance().ScrollByPage)
FilterElements(m_columns*m_rows);
else
FilterElements(m_columns);
}
m_pGrid->SetCurrent((*m_activeElementIter)->GridElementId(), false);
m_pGrid->SetCurrent((*next)->GridElementId(), true);
m_activeElementIter = next;
return true;
}
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