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tdeedu/kvoctrain/kvoctrain/statistik-dialogs/StatistikPage.cpp

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/***************************************************************************
statistics dialog page
-----------------------------------------------------------------------
begin : Thu Sep 21 20:50:53 MET 1999
copyright : (C) 1999-2001 Ewald Arnold <kvoctrain@ewald-arnold.de>
(C) 2001 The KDE-EDU team
(C) 2005 Peter Hedlund <peter.hedlund@kdemail.net>
-----------------------------------------------------------------------
***************************************************************************
***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#include "StatistikPage.h"
#include <kpopupmenu.h>
#include <klocale.h>
#include <kdebug.h>
#include <kvoctraindoc.h>
#include <prefs.h>
#include <tqcursor.h>
#include <tqpainter.h>
#define MIN_COL_WIDTH 2
#define PIX_SHIFT 2
#define SIZE_GRADE 100+PIX_SHIFT
#define SIZE_COUNT 70
#define SIZE_LESSON 300
#define TB_FGRADE 0
#define TB_TGRADE 1
#define TB_COUNT 2
#define TB_LESSON 3
class GradeListItem : public TQListViewItem
{
public:
inline GradeListItem (TQListView* parent, int _lesson): TQListViewItem(parent), lesson(_lesson) {}
inline int getLesson() const { return lesson; }
private:
int lesson;
};
StatistikPage::StatistikPage(int col, kvoctrainDoc *_doc, TQWidget *parent, const char *name)
: StatistikPageForm( parent, name ), doc(_doc)
{
StatListView->setColumnWidth(0, SIZE_GRADE + 10);
StatListView->setColumnWidth(1, SIZE_GRADE + 10);
StatListView->setColumnWidth(2, SIZE_COUNT);
StatListView->setColumnWidth(3, SIZE_LESSON);
vector<TQString> lesson = doc->getLessonDescr();
fsc.resize(lesson.size()+1);
tsc.resize(lesson.size()+1);
// accumulate numbers of grades per lesson
for (int i = 0; i < (int) doc->numEntries(); i++) {
kvoctrainExpr *expr = doc->getEntry(i);
int fg = TQMIN(KV_MAX_GRADE, expr->getGrade(col, false));
int tg = TQMIN(KV_MAX_GRADE, expr->getGrade(col, true));
int l = expr->getLesson();
if (l >= 0 && l <= (int) lesson.size() ) {
fsc[l].grade[fg]++;
fsc[l].num++;
tsc[l].grade[tg]++;
tsc[l].num++;
}
}
setupPixmaps();
connect(StatListView, TQT_SIGNAL( rightButtonPressed( TQListViewItem *, const TQPoint& , int ) ),
this, TQT_SLOT( slotRMB( TQListViewItem *, const TQPoint &, int ) ) );
}
void StatistikPage::setupPixmaps()
{
// create pixmaps with bar charts of numbers of grades
int height;
GradeListItem lvi (StatListView, 0);
height = lvi.height();
for (int entry = 0; entry < (int) fsc.size(); entry++) {
TQPainter p;
TQColor color;
TQPixmap fpix (SIZE_GRADE, height);
p.begin( &fpix);
p.eraseRect (0, 0, fpix.width(), fpix.height());
p.setPen( black );
if (fsc[entry].num != 0) {
int num = 0;
for (int j = KV_NORM_GRADE; j <= KV_MAX_GRADE; j++)
if (fsc[entry].grade[j] != 0)
num++;
int maxw = fpix.width() -PIX_SHIFT -PIX_SHIFT -1;
int w = maxw;
int widths [KV_MAX_GRADE+1];
for (int j = KV_NORM_GRADE; j <= KV_MAX_GRADE; j++) {
if (fsc[entry].grade[j] == 0)
widths[j] = 0;
else {
if (num <= 1) {
widths[j] = w;
w = 0;
}
else {
--num;
widths[j] = TQMAX(MIN_COL_WIDTH, fsc[entry].grade[j] * maxw / fsc[entry].num);
w -= widths[j];
}
}
}
int x = 0;
int x2 = 1+PIX_SHIFT;
for (int j = KV_MIN_GRADE; j <= KV_MAX_GRADE; j++) {
switch (j) {
case KV_NORM_GRADE: color = Prefs::gradeCol(0); break;
case KV_LEV1_GRADE: color = Prefs::gradeCol(1); break;
case KV_LEV2_GRADE: color = Prefs::gradeCol(2); break;
case KV_LEV3_GRADE: color = Prefs::gradeCol(3); break;
case KV_LEV4_GRADE: color = Prefs::gradeCol(4); break;
case KV_LEV5_GRADE: color = Prefs::gradeCol(5); break;
case KV_LEV6_GRADE: color = Prefs::gradeCol(6); break;
case KV_LEV7_GRADE: color = Prefs::gradeCol(7); break;
default : color = Prefs::gradeCol(1);
}
if (widths[j] != 0) {
x2 += widths[j];
p.fillRect(x+PIX_SHIFT, 1, x2-x, height-1, color);
p.drawRect(x+PIX_SHIFT, 1, x2-x, height-1);
x = x2-1;
}
}
}
else {
p.fillRect(PIX_SHIFT, 1, fpix.width()-PIX_SHIFT, height-1, Prefs::gradeCol(0));
p.drawRect(PIX_SHIFT, 1, fpix.width()-PIX_SHIFT, height-1);
}
p.end();
from_pix.push_back(fpix);
TQPixmap tpix (SIZE_GRADE, height);
p.begin( &tpix );
p.eraseRect (0, 0, tpix.width(), tpix.height());
p.setPen( black );
if (tsc[entry].num != 0) {
int num = 0;
for (int j = KV_NORM_GRADE; j <= KV_MAX_GRADE; j++)
if (tsc[entry].grade[j] != 0)
num++;
int maxw = tpix.width() -PIX_SHIFT -PIX_SHIFT -1;
int w = maxw;
int widths [KV_MAX_GRADE+1];
for (int j = KV_NORM_GRADE; j <= KV_MAX_GRADE; j++) {
if (tsc[entry].grade[j] == 0)
widths[j] = 0;
else {
if (num <= 1) {
widths[j] = w;
w = 0;
}
else {
--num;
widths[j] = TQMAX(MIN_COL_WIDTH, tsc[entry].grade[j] * maxw / tsc[entry].num);
w -= widths[j];
}
}
}
int x = 0;
int x2 = 1+PIX_SHIFT;
for (int j = KV_MIN_GRADE; j <= KV_MAX_GRADE; j++) {
switch (j) {
case KV_NORM_GRADE: color = Prefs::gradeCol(0); break;
case KV_LEV1_GRADE: color = Prefs::gradeCol(1); break;
case KV_LEV2_GRADE: color = Prefs::gradeCol(2); break;
case KV_LEV3_GRADE: color = Prefs::gradeCol(3); break;
case KV_LEV4_GRADE: color = Prefs::gradeCol(4); break;
case KV_LEV5_GRADE: color = Prefs::gradeCol(5); break;
case KV_LEV6_GRADE: color = Prefs::gradeCol(6); break;
case KV_LEV7_GRADE: color = Prefs::gradeCol(7); break;
default : color = Prefs::gradeCol(1);
}
if (widths[j] != 0) {
x2 += widths[j];
p.fillRect(x+PIX_SHIFT, 1, x2-x, height-1, color);
p.drawRect(x+PIX_SHIFT, 1, x2-x, height-1);
x = x2-1;
}
}
}
else {
p.fillRect(PIX_SHIFT, 1, tpix.width()-PIX_SHIFT, height-1, Prefs::gradeCol(0));
p.drawRect(PIX_SHIFT, 1, tpix.width()-PIX_SHIFT, height-1);
}
p.end();
to_pix.push_back(tpix);
}
// setup rows with pixmaps and strings
vector<TQString> lesson = doc->getLessonDescr();
TQString s;
GradeListItem *plvi = new GradeListItem(StatListView, 0);
plvi->setPixmap (TB_FGRADE, from_pix[0]);
plvi->setPixmap (TB_TGRADE, to_pix[0]);
s.setNum (tsc[0].num);
plvi->setText (TB_COUNT, s);
plvi->setText (TB_LESSON, i18n("<no lesson>"));
StatListView->insertItem (plvi);
for (int i = 0; i < (int) lesson.size(); i++) {
plvi = new GradeListItem(StatListView, i+1);
plvi->setPixmap (TB_FGRADE, from_pix[i+1]);
plvi->setPixmap (TB_TGRADE, to_pix[i+1]);
s.setNum (tsc[i+1].num);
plvi->setText (TB_COUNT, s);
plvi->setText (TB_LESSON, lesson[i]);
StatListView->insertItem (plvi);
}
}
void StatistikPage::slotRMB( TQListViewItem* Item, const TQPoint & /*point*/, int col)
{
if( Item != 0)
slotPopupMenu(((GradeListItem*)Item)->getLesson(), col);
}
void StatistikPage::slotPopupMenu(int row, int col)
{
struct stat_counter *sc;
if (col == TB_FGRADE) {
if (row >= (int) fsc.size() ) {
kdError() << "row >= fsc.size()" << endl;
return;
}
else
sc = &fsc[row];
}
else if (col == TB_TGRADE) {
if (row >= (int) tsc.size() ) {
kdError() << "row >= tsc.size()" << endl;
return;
}
else
sc = &tsc[row];
}
else
return;
TDEPopupMenu *header_m = new TDEPopupMenu(i18n("Number of Entries per Grade"));
header_m->insertItem (i18n(KV_NORM_TEXT) + "\t" + TQString::number(sc->grade[KV_NORM_GRADE]) );
header_m->insertItem (i18n(KV_LEV1_TEXT) + "\t" + TQString::number(sc->grade[KV_LEV1_GRADE]) );
header_m->insertItem (i18n(KV_LEV2_TEXT) + "\t" + TQString::number(sc->grade[KV_LEV2_GRADE]) );
header_m->insertItem (i18n(KV_LEV3_TEXT) + "\t" + TQString::number(sc->grade[KV_LEV3_GRADE]) );
header_m->insertItem (i18n(KV_LEV4_TEXT) + "\t" + TQString::number(sc->grade[KV_LEV4_GRADE]) );
header_m->insertItem (i18n(KV_LEV5_TEXT) + "\t" + TQString::number(sc->grade[KV_LEV5_GRADE]) );
header_m->insertItem (i18n(KV_LEV6_TEXT) + "\t" + TQString::number(sc->grade[KV_LEV6_GRADE]) );
header_m->insertItem (i18n(KV_LEV7_TEXT) + "\t" + TQString::number(sc->grade[KV_LEV7_GRADE]) );
header_m->exec(TQCursor::pos()+TQPoint(10, 0));
}
#include "StatistikPage.moc"
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