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-rw-r--r--kvoctrain/kvoctrain/statistik-dialogs/StatistikPage.cpp289
1 files changed, 289 insertions, 0 deletions
diff --git a/kvoctrain/kvoctrain/statistik-dialogs/StatistikPage.cpp b/kvoctrain/kvoctrain/statistik-dialogs/StatistikPage.cpp
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+++ b/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 <qcursor.h>
+#include <qpainter.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 QListViewItem
+{
+public:
+ inline GradeListItem (QListView* parent, int _lesson): QListViewItem(parent), lesson(_lesson) {}
+ inline int getLesson() const { return lesson; }
+
+private:
+ int lesson;
+};
+
+
+StatistikPage::StatistikPage(int col, kvoctrainDoc *_doc, QWidget *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<QString> 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 = QMIN(KV_MAX_GRADE, expr->getGrade(col, false));
+ int tg = QMIN(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, SIGNAL( rightButtonPressed( QListViewItem *, const QPoint& , int ) ),
+ this, SLOT( slotRMB( QListViewItem *, const QPoint &, 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++) {
+ QPainter p;
+ QColor color;
+ QPixmap 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] = QMAX(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);
+
+ QPixmap 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] = QMAX(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<QString> lesson = doc->getLessonDescr();
+
+ QString 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( QListViewItem* Item, const QPoint & /*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;
+
+ KPopupMenu *header_m = new KPopupMenu(i18n("Number of Entries per Grade"));
+
+ header_m->insertItem (i18n(KV_NORM_TEXT) + "\t" + QString::number(sc->grade[KV_NORM_GRADE]) );
+ header_m->insertItem (i18n(KV_LEV1_TEXT) + "\t" + QString::number(sc->grade[KV_LEV1_GRADE]) );
+ header_m->insertItem (i18n(KV_LEV2_TEXT) + "\t" + QString::number(sc->grade[KV_LEV2_GRADE]) );
+ header_m->insertItem (i18n(KV_LEV3_TEXT) + "\t" + QString::number(sc->grade[KV_LEV3_GRADE]) );
+ header_m->insertItem (i18n(KV_LEV4_TEXT) + "\t" + QString::number(sc->grade[KV_LEV4_GRADE]) );
+ header_m->insertItem (i18n(KV_LEV5_TEXT) + "\t" + QString::number(sc->grade[KV_LEV5_GRADE]) );
+ header_m->insertItem (i18n(KV_LEV6_TEXT) + "\t" + QString::number(sc->grade[KV_LEV6_GRADE]) );
+ header_m->insertItem (i18n(KV_LEV7_TEXT) + "\t" + QString::number(sc->grade[KV_LEV7_GRADE]) );
+
+ header_m->exec(QCursor::pos()+QPoint(10, 0));
+}
+
+#include "StatistikPage.moc"
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