void calcChanged(int period)
{
stCandle _c0 = new stCandle();
stCandle _c1 = new stCandle();
Share vnindex = mContext.mShareManager.getShare("^VNINDEX");
vnindex.loadShareFromFile(true);
if (vnindex.getCandleCnt() < period)
{
return;
}
stCandle c0 = vnindex.getCandle(vnindex.getCandleCnt() - 1, _c0);
stCandle c1 = vnindex.getCandle(vnindex.getCandleCnt() - 1 - period, _c1);
int startDate = c1.date;
int endDate = c0.date;
mChanges.removeAllElements();
for (int i = 0; i < shareGroup.getTotal(); i++)
{
string code = shareGroup.getCodeAt(i);
Share share = Context.getInstance().mShareManager.getShare(code);
if (share != null)
{
if (share.getShareID() == 1032)
{
Utils.trace("---");
}
share.loadShareFromCommonData(true);
if (share.getCandleCnt() > 0)
{
c0 = share.getCandleByDate(startDate, startDate, _c0);
c1 = share.getCandleByDate(endDate, startDate, _c1);
if (c0 == null || c1 == null)
{
continue;
}
ShareChanges change = new ShareChanges();
change.code = code;
change.changedPercent = 100 * (c1.close - c0.close) / c0.close;
mChanges.addElement(change);
}
}
}
// sort abs
for (int i = 0; i < mChanges.size() - 1; i++)
{
ShareChanges biggest = (ShareChanges)mChanges.elementAt(i);
int biggestIdx = i;
for (int j = i + 1; j < mChanges.size(); j++)
{
ShareChanges gc = (ShareChanges)mChanges.elementAt(j);
if (Math.Abs(gc.changedPercent) > Math.Abs(biggest.changedPercent))
{
biggest = gc;
biggestIdx = j;
}
}
if (biggestIdx != i)
{
mChanges.swap(i, biggestIdx);
}
}
while (mChanges.size() > 120)
{
mChanges.removeElementAt(mChanges.size() - 1);
}
// sort
for (int i = 0; i < mChanges.size() - 1; i++)
{
ShareChanges biggest = (ShareChanges)mChanges.elementAt(i);
int biggestIdx = i;
for (int j = i + 1; j < mChanges.size(); j++)
{
ShareChanges gc = (ShareChanges)mChanges.elementAt(j);
if (gc.changedPercent > biggest.changedPercent)
{
biggest = gc;
biggestIdx = j;
}
}
if (biggestIdx != i)
{
mChanges.swap(i, biggestIdx);
}
}
}
void calcChanged(int period)
{
stCandle c0 = new stCandle();
stCandle c1 = new stCandle();
mChanges.removeAllElements();
Utils.trace("----------------------");
bool isNhomIndex = false;
for (int i = 0; i < mGroups.size(); i++)
{
stShareGroup g = (stShareGroup)mGroups.elementAt(i);
GroupChanges gc = new GroupChanges();
gc.group = g;
mChanges.addElement(gc);
gc.code = g.getName();
Utils.trace(g.getName());
double firstGTGD = 0;
double lastGTGD = 0;
double totalGTGD0 = 0;
double totalGTGD1 = 0;
int today = 0;
isNhomIndex = false;
if (g.getType() == stShareGroup.ID_GROUP_MARKET_OVERVIEW &&
g.getTotal() == 1)
{
isNhomIndex = true;
String code = g.getCodeAt(0);
Share share = mContext.mShareManager.getShare(code);
if (share == null)
{
continue;
}
share.loadShareFromFile(false);
share.appendTodayCandle2();
int last = share.getCandleCnt() - 1;
int first = (last > period)?(last - period):0;
if (last < 0 || first < 0)
{
continue;
}
c0 = share.getCandle(last, c0);
c1 = share.getCandle(first, c1);
if (c1.close > 0)
{
double changed = 100 * (c0.close - c1.close) / c1.close;
gc.changedPercent += changed;
}
continue;
}
for (int j = 0; j < g.getTotal(); j++)
{
string code = g.getCodeAt(j);
Share share = Context.getInstance().mShareManager.getShare(code);
int shareID = Context.getInstance().mShareManager.getShareID(code);
stCompanyInfo info = Context.getInstance().mShareManager.getCompanyInfo(shareID);
if (share != null && info != null)
{
share.loadShareFromCommonData(true);
int last = share.getCandleCnt() - 1;
int first = (last > period)?(last - period):0;
if (last < 0 || first < 0)
{
continue;
}
share.getCandle(last, c0);
share.getCandle(first, c1);
double changed;
if (period == 1 && c0.date < today)
{
// khong co giao dich hom nay
changed = 0;
}
else
{
double r = (info.volume * c1.close);
changed = 0;// (c0.close - c1.close) * r;
changed = 100 * (c0.close - c1.close) / c1.close;
changed *= r;
}
totalGTGD0 += (c0.close * info.volume);
totalGTGD1 += (c1.close * info.volume);
gc.changedPercent += changed;
//String s = String.Format("Code: {0}, Price: Close0/Close1={1}/{2}, r={3} changed/totalChanged: {4}/{5}",
//share.getCode(), c0.close, c1.close, r, changed, gc.changedPercent);
//Utils.trace(s);
}
gc.changedPercent = 100 * (totalGTGD0 - totalGTGD1);
gc.changedPercent /= totalGTGD1;
}
//Utils.trace(String.Format("Total changed: {0}", gc.changedPercent));
}
// sort
if (false)//isNhomIndex)
{
// khong sort
}
else
{
xVector marketOverView = new xVector();
for (int i = 0; i < mChanges.size() - 1; i++)
{
GroupChanges g = (GroupChanges)mChanges.elementAt(i);
if (g.group.getType() == stShareGroup.ID_GROUP_MARKET_OVERVIEW || g.code.IndexOf('#') == 0)
{
marketOverView.addElement(g);
}
}
for (int i = 0; i < marketOverView.size(); i++)
{
mChanges.removeElement(marketOverView.elementAt(i));
}
//================================
for (int i = 0; i < mChanges.size() - 1; i++)
{
GroupChanges biggest = (GroupChanges)mChanges.elementAt(i);
int biggestIdx = i;
for (int j = i + 1; j < mChanges.size(); j++)
{
GroupChanges gc = (GroupChanges)mChanges.elementAt(j);
if (gc.changedPercent > biggest.changedPercent)
{
biggest = gc;
biggestIdx = j;
}
}
if (biggestIdx != i)
{
mChanges.swap(i, biggestIdx);
}
}
//========================
for (int i = 0; i < mChanges.size(); i++)
{
marketOverView.addElement(mChanges.elementAt(i));
}
mChanges.removeAllElements();
for (int i = 0; i < marketOverView.size(); i++)
{
mChanges.addElement(marketOverView.elementAt(i));
}
}
}
void refreshChart2()
{
if (group == null)
{
group = new stShareGroup();
group.setType(stShareGroup.ID_GROUP_DEFAULT);
}
group.clear();
currentSelected = null;
Share index = mContext.mShareManager.getShare(mShareID);
stPriceboardStateIndex pi = mContext.mPriceboard.getPriceboardIndexOfMarket(index.getMarketID());
if (index == null || pi == null)
{
return;
}
if (mContext.mShareManager.getVnindexCnt() == 0)
{
return;
}
_isProcessing = true;
index.loadShareFromFile(false);
stCandle cIndex = new stCandle();
index.getCandleByDate(startDate, 0, cIndex);
//===============================================
double totalEquity = 0.0;
totalIndexInc = 0;
totalIndexDec = 0;
int cnt = mContext.mShareManager.getVnindexCnt();
double[] indexOfShares = new double[cnt];
double[] changedPercents = new double[cnt];
float[] prices = new float[cnt];
stCandle _c0 = new stCandle();
stCandle _c1 = new stCandle();
// tinh total equity
for (int i = 0; i < cnt; i++)
{
Share share = mContext.mShareManager.getVnindexShareAt(i);
if (share.getShareID() == 223)
{
indexOfShares[i] = 1;
}
indexOfShares[i] = 0;
if (share.getMarketID() == index.getMarketID() && !share.isIndex())
{
stCompanyInfo inf = mContext.mShareManager.getCompanyInfo(share.getShareID());
if (inf != null)
{
share.loadShareFromCommonData(false);
share.appendTodayCandle2(); // use last price if today is not trade
stCandle c0 = share.getCandleByDate(startDate, 0, _c0);
stCandle c1 = share.getCandleByDate(endDate, startDate, _c1);
if (c0 == null || c1 == null)
{
continue;
}
if (c0.close == 0 || c1.close == 0)
{
continue;
}
totalEquity += (inf.volume * c0.close);
double changedPercent = (c1.close - c0.close) / c0.close;
if (changedPercent < 0)
{
//changedPercent = changedPercent;
}
indexOfShares[i] = cIndex.close * (inf.volume * c0.close) * changedPercent;
if (changedPercent > 0)
{
totalIndexInc += changedPercent;
}
else
{
totalIndexDec += changedPercent;
}
//---------
changedPercents[i] = (c1.close - c0.close) * 100 / c0.close;
prices[i] = c1.close;
}
}
}
// cleanup
vChangeDec.removeAllElements();
vChangeInc.removeAllElements();
//====================================
totalIndexInc /= totalEquity;
totalIndexDec /= totalEquity;
totalIndexInc = 0;
totalIndexDec = 0;
for (int i = 0; i < cnt; i++)
{
Share share = mContext.mShareManager.getVnindexShareAt(i);
//if (strcmp(share.mCode, "VIC") == 0){
// /i = i;
//}
double indexChanged = indexOfShares[i] / totalEquity;
ChangeIndexItem item;
if (indexChanged > 0)
{
item = new ChangeIndexItem();
item.modifiedValue = (float)indexChanged;
totalIndexInc += item.modifiedValue;
item.shareID = share.getShareID();
vChangeInc.addElement(item);
}
else
{
item = new ChangeIndexItem();
item.modifiedValue = (float)(-indexChanged);
totalIndexDec += item.modifiedValue;
item.shareID = share.getShareID();
vChangeDec.addElement(item);
}
item.price = prices[i];
item.modifiedPercent = (float)changedPercents[i];
}
// end of calc
sortChanges(vChangeInc);
sortChanges(vChangeDec);
while (vChangeInc.size() > 200)
{
vChangeInc.removeElementAt(vChangeInc.size() - 1);
}
while (vChangeDec.size() > 200)
{
vChangeDec.removeElementAt(vChangeDec.size() - 1);
}
//---------------
// ChangeIndexItem
xVector[] vv = { vChangeInc, vChangeDec };
for (int j = 0; j < 2; j++)
{
for (int i = 0; i < vv[j].size(); i++)
{
ChangeIndexItem item = (ChangeIndexItem)vv[j].elementAt(i);
Share share = mContext.mShareManager.getShare(item.shareID);
if (share != null && share.getCode() != null)
{
group.addCode(share.getCode());
}
}
}
invalidate();
}
