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258 lines
7.4 KiB
258 lines
7.4 KiB
/***************************************************************************
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lesson properties dialog page
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-----------------------------------------------------------------------
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begin : Thu Jun 3 22:03:50 1999
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copyright : (C) 1999-2001 Ewald Arnold <kvoctrain@ewald-arnold.de>
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(C) 2001 The KDE-EDU team
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(C) 2005 Peter Hedlund <peter.hedlund@kdemail.net>
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-----------------------------------------------------------------------
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***************************************************************************/
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/***************************************************************************
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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***************************************************************************/
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#include "LessOptPage.h"
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#include <tdeapplication.h>
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#include <kinputdialog.h>
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#include <tdelocale.h>
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#include <tdemessagebox.h>
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#include <tqcombobox.h>
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#include <tqpushbutton.h>
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#include <tqlayout.h>
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#include <kvoctraindoc.h>
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#define LESS_TAG ". "
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LessOptPage::LessOptPage
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(
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TQComboBox *lessons,
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kvoctrainDoc *_doc,
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TQWidget *parent,
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const char *name
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)
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:
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LessOptPageForm( parent, name )
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{
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connect( lessonList, TQ_SIGNAL(highlighted(int)), TQ_SLOT(slotLessonChosen(int)) );
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connect( b_new, TQ_SIGNAL(clicked()), TQ_SLOT(slotNewLesson()) );
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connect( b_modify, TQ_SIGNAL(clicked()), TQ_SLOT(slotModifyLesson()) );
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connect( b_delete, TQ_SIGNAL(clicked()), TQ_SLOT(slotDeleteLesson()) );
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connect( b_cleanup, TQ_SIGNAL(clicked()), TQ_SLOT(slotCleanup()) );
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doc = _doc;
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TQString str;
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for (int i = 1; i < lessons->count(); i++) {
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str.setNum (i);
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if (i <= 9)
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str.insert (0, " ");
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lessonList->insertItem (str+LESS_TAG+lessons->text(i));
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lessonIndex.push_back(i-1);
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}
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act_lesson = 0;
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if (lessonList->count() != 0)
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lessonList->setCurrentItem (act_lesson);
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lessonList->setFocus();
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b_modify->setEnabled(lessonList->count() != 0);
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b_delete->setEnabled(lessonList->count() != 0);
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}
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void LessOptPage::slotLessonChosen(int index)
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{
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act_lesson = index;
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}
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void LessOptPage::slotNewLesson()
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{
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bool ok;
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TQString getLesson = KInputDialog::getText(
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i18n( "Lesson Description" ), i18n( "Enter lesson description:" ), TQString(), &ok );
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if( !ok )
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return;
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TQString str;
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int i = lessonList->count()+1;
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str.setNum (i);
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if (i <= 9)
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str.insert (0, " ");
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lessonList->insertItem (str+LESS_TAG+getLesson.stripWhiteSpace());
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lessonIndex.push_back(-(i-1));
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act_lesson = lessonList->count();
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lessonList->setCurrentItem (i-1);
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b_modify->setEnabled(true);
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b_delete->setEnabled(true);
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}
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void LessOptPage::slotModifyLesson()
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{
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if (lessonList->count() != 0 && (int) lessonList->count() > act_lesson)
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{
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TQString str = lessonList->text (act_lesson);
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int pos = str.find (LESS_TAG);
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str.remove (0, pos+strlen (LESS_TAG));
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bool ok;
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TQString getLesson = KInputDialog::getText(
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i18n( "Lesson Description" ), i18n( "Enter lesson description:" ), str, &ok );
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if( !ok )
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return;
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TQString str2;
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str2.setNum (act_lesson+1);
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if (act_lesson <= 9)
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str2.insert (0, " ");
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lessonList->changeItem (str2+LESS_TAG+getLesson.stripWhiteSpace(), act_lesson);
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}
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}
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void LessOptPage::updateListBox(int start)
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{
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TQString str, str2;
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for (int i = start; i < (int) lessonList->count(); i++)
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{
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str = lessonList->text (i);
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int pos = str.find (LESS_TAG);
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str.remove (0, pos+strlen (LESS_TAG));
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str2.setNum (i+1);
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if (i <= 9)
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str2.insert (0, " ");
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lessonList->changeItem (str2+LESS_TAG+str, i);
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}
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}
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void LessOptPage::slotDeleteLesson()
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{
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int act = act_lesson;
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if (lessonList->count() != 0
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&& (int) lessonList->count() > act) {
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for (int ent = 0; ent < doc->numEntries(); ent++) {
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// FIXME: ProgressDlg here?
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if (doc->getEntry(ent)->getLesson() == lessonIndex[act_lesson]+1) {
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KMessageBox::information(this,
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i18n("This lesson could not be deleted\nbecause it is in use."),
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kapp->makeStdCaption(i18n("Deleting Lesson")));
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return;
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}
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}
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lessonList->removeItem (act);
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lessonIndex.erase (lessonIndex.begin() + act);
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if ((int) lessonList->count() <= act)
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act = lessonList->count()-1;
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else
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updateListBox(act); // update items after current
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if (act >= 0)
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lessonList->setCurrentItem (act);
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}
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b_modify->setEnabled(lessonList->count() != 0);
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b_delete->setEnabled(lessonList->count() != 0);
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}
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void LessOptPage::getLesson (TQComboBox *ret_lesson, vector<int> &ret_Index)
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{
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while (ret_lesson->count() > 1) /* first entry is "no lesson" */
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ret_lesson->removeItem (1);
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TQString str;
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for (int i = 0; i < (int) lessonList->count(); i++) {
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str = lessonList->text(i);
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int pos = str.find (LESS_TAG);
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str.remove (0, pos+strlen (LESS_TAG));
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ret_lesson->insertItem (str);
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}
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ret_Index = lessonIndex;
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}
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void LessOptPage::slotCleanup()
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{
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vector<bool> used_lesson;
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for (int i = 0; i < (int) lessonList->count(); i++)
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used_lesson.push_back(false);
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for (int i = 0; i < (int) doc->numEntries(); i++) {
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int idx = doc->getEntry(i)->getLesson();
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if ((int) used_lesson.size() < idx)
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used_lesson.resize(idx);
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if (idx != 0)
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used_lesson[idx-1] = true ;
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}
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for (int i = used_lesson.size()-1; i >= 0; i--)
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if (!used_lesson[i]) {
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for (int u = 0; u < (int) lessonIndex.size() ; u++) {
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if (lessonIndex[u] == i || lessonIndex[u] < 0) {
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act_lesson = i;
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slotDeleteLesson();
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break;
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}
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}
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}
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act_lesson = 0;
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lessonList->setCurrentItem (act_lesson);
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}
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void LessOptPage::cleanUnused (kvoctrainDoc *doc,
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const TQComboBox * /*lessons*/,
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const vector<int> &lessonIndex,
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int old_lessons,
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vector<int> &lessons_in_query)
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{
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vector<int> translate_index;
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/////////////////////////////////////////////////////
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// translate_index contains new index number for each
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// old index
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for (int i = 0; i <= TQMAX (old_lessons, (int) lessonIndex.size()); i++)
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translate_index.push_back(0);
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// now adjust lesson descriptions to new index
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for (int i = 0; i < (int) lessonIndex.size(); i++) {
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if (lessonIndex[i] >= 0)
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translate_index[lessonIndex[i]+1] = i+1;
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}
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// now adjust for query selected lessons to new index
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for (int i = (int) lessons_in_query.size()-1; i >= 0; i--) {
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if (translate_index[lessons_in_query[i]] > 0)
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lessons_in_query[i] = translate_index[lessons_in_query[i]];
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else
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lessons_in_query.erase(lessons_in_query.begin() + i);
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}
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// only keep remaining lesson member indices
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// set lesson index to 0 when not needed any more
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// and translate to new index
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for (int i = 0; i < doc->numEntries(); i++) {
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if (doc->getEntry(i)->getLesson () != 0)
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doc->getEntry(i)->setLesson (translate_index[doc->getEntry(i)->getLesson ()]);
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}
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}
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#include "LessOptPage.moc"
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