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-rw-r--r--ktouch/src/ktouchlectureeditor.cpp420
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diff --git a/ktouch/src/ktouchlectureeditor.cpp b/ktouch/src/ktouchlectureeditor.cpp
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+/***************************************************************************
+ * ktouchlectureeditor.cpp *
+ * ----------------------- *
+ * Copyright (C) 2004 by Andreas Nicolai *
+ * ghorwin@users.sourceforge.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 <qlabel.h>
+#include <qstring.h>
+#include <qstringlist.h>
+
+#include <kpushbutton.h>
+#include <klistview.h>
+#include <klineedit.h>
+#include <ktextedit.h>
+#include <klocale.h>
+#include <kdebug.h>
+#include <ksqueezedtextlabel.h>
+#include <kmessagebox.h>
+#include <kcombobox.h>
+#include <kfontdialog.h>
+#include <kfiledialog.h>
+
+#include <algorithm> // for std::swap
+
+#include "ktouchlectureeditor.h"
+#include "ktouchlectureeditor.moc"
+
+#include "ktouchlecture.h"
+#include "ktouchopenrequest.h"
+#include "ktouch.h"
+
+
+// **************************
+// ***** Public functions ***
+// **************************
+
+KTouchLectureEditor::KTouchLectureEditor(QWidget *parent, const char* name, bool modal, WFlags fl)
+ : KTouchLectureEditorDlg(parent, name, modal, fl)
+{
+ levelListView->setSorting(-1); // don't sort my level list view!
+
+ connect(levelListView, SIGNAL(selectionChanged(QListViewItem*)),this, SLOT(newSelection(QListViewItem*)) );
+ connect(newCharsEdit, SIGNAL(textChanged(const QString&)), this, SLOT(newCharsChanged(const QString&)) );
+ connect(newBtn, SIGNAL(clicked()), this, SLOT(newLevel()) );
+ connect(deleteBtn, SIGNAL(clicked()), this, SLOT(deleteLevel()) );
+ connect(upBtn, SIGNAL(clicked()), this, SLOT(moveUp()) );
+ connect(downBtn, SIGNAL(clicked()), this, SLOT(moveDown()) );
+
+ // make the connections for making the lecture modified
+ connect(titleEdit, SIGNAL(textChanged(const QString&)), this, SLOT(setModified()) );
+ connect(lectureCommentEdit, SIGNAL(textChanged()), this, SLOT(setModified()) );
+ connect(levelCommentEdit, SIGNAL(textChanged(const QString&)), this, SLOT(setModified()) );
+ connect(linesTextEdit, SIGNAL(textChanged()), this, SLOT(setModified()) );
+
+ // The font, open, save, saveas and close buttons are already connected
+}
+// -----------------------------------------------------------------------------
+
+bool KTouchLectureEditor::startEditor(const KURL& url) {
+ // call open request dialog and load a lecture, and start the dialogs event loop if
+ // the user did not cancel the open request dialog
+ if (openLectureFile(url)==QDialog::Accepted) {
+ exec();
+ return true;
+ }
+ else return false;
+}
+// -----------------------------------------------------------------------------
+
+
+// *************************
+// ***** Private slots *****
+// *************************
+
+void KTouchLectureEditor::fontBtnClicked() {
+ QFont f(m_lecture.m_fontSuggestions);
+ if (KFontDialog::getFont(f, false, this, true)==QDialog::Accepted) {
+ linesTextEdit->setFont(f);
+ lectureCommentEdit->setFont(f);
+ levelCommentEdit->setFont(f);
+ newCharsEdit->setFont(f);
+ titleEdit->setFont(f);
+ levelListView->setFont(f);
+ m_lecture.m_fontSuggestions = f.family();
+ setModified();
+ }
+}
+// -----------------------------------------------------------------------------
+
+void KTouchLectureEditor::openBtnClicked() {
+ saveModified(); // save if modified
+ openLectureFile("");
+}
+// -----------------------------------------------------------------------------
+
+void KTouchLectureEditor::saveBtnClicked() {
+ if (m_currentURL.isEmpty()) saveAsBtnClicked();
+ else {
+ transfer_from_dialog();
+ m_lecture.saveXML(this, m_currentURL);
+ setModified(false);
+ }
+}
+// -----------------------------------------------------------------------------
+
+void KTouchLectureEditor::saveAsBtnClicked() {
+ QString tmp = KFileDialog::getSaveFileName(QString::null,
+ "*.ktouch.xml|KTouch Lecture Files(*.ktouch.xml)\n*.*|All Files", this, i18n("Save Training Lecture") );
+ if (!tmp.isEmpty()) {
+ transfer_from_dialog();
+ m_currentURL = tmp;
+ m_lecture.saveXML(this, m_currentURL);
+ setCaption(m_currentURL.url());
+ setModified(false);
+ }
+}
+// -----------------------------------------------------------------------------
+
+void KTouchLectureEditor::newSelection(QListViewItem* item) {
+ if (m_selecting) return;
+ bool current_modified_flag = m_modified; // remember our current status
+ // first store the current level data
+ storeCurrentLevel();
+ // now we need to find the level which has been selected
+ QListViewItem *i = levelListView->firstChild();
+ unsigned int level=0;
+ while (i!=0 && i!=item) {
+ i = i->nextSibling();
+ ++level;
+ };
+ if (i!=0) {
+ m_currentItem = i;
+ m_level = level;
+ showCurrentLevel();
+ }
+ m_selecting = true; // prevent the selectionChanged() signal from interfering
+ levelListView->setSelected(m_currentItem, true);
+ m_selecting = false;
+
+ if (m_lecture.m_lectureData.size()==1) {
+ downBtn->setEnabled(false);
+ upBtn->setEnabled(false);
+ }
+ else {
+ if (m_level==m_lecture.m_lectureData.size()-1) downBtn->setEnabled(false);
+ else downBtn->setEnabled(true);
+ if (m_level==0) upBtn->setEnabled(false);
+ else upBtn->setEnabled(true);
+ };
+ setModified(current_modified_flag);
+}
+// -----------------------------------------------------------------------------
+
+void KTouchLectureEditor::newCharsChanged(const QString& text) {
+ if (m_currentItem==0) return; // shouldn't happen, but a little bit of paranoia...
+ m_currentItem->setText(0, text);
+ setModified();
+}
+// -----------------------------------------------------------------------------
+
+void KTouchLectureEditor::newLevel() {
+ createNewLevel();
+ QListViewItem *newItem = new QListViewItem( levelListView,
+ levelListView->lastItem(), m_lecture.m_lectureData.back().m_newChars );
+ newSelection(newItem);
+ upBtn->setEnabled(true);
+ downBtn->setEnabled(false);
+ deleteBtn->setEnabled(true);
+ setModified();
+}
+// -----------------------------------------------------------------------------
+
+void KTouchLectureEditor::deleteLevel() {
+ // Open for discussion: Should there be a message box to confirm the delete?
+ if (m_level >= m_lecture.m_lectureData.size()) return; // paranoia check
+ m_selecting = true; // prevent the selectionChanged() signal from interfering
+ // first remove the item from the list view
+ delete m_currentItem;
+ // then remove the level data
+ QValueVector<KTouchLevelData>::iterator it=m_lecture.m_lectureData.begin();
+ std::advance(it, m_level);
+ m_lecture.m_lectureData.erase(it);
+ m_currentItem = levelListView->firstChild();
+ for (unsigned int i=0; i<m_level; ++i)
+ m_currentItem = m_currentItem->nextSibling();
+ levelListView->setSelected(m_currentItem, true);
+ showCurrentLevel();
+ m_selecting = false;
+ if (m_lecture.m_lectureData.size()==1)
+ deleteBtn->setEnabled(false);
+ if (m_level==m_lecture.m_lectureData.size()-1)
+ downBtn->setEnabled(false);
+ if (m_level==0)
+ upBtn->setEnabled(false);
+ setModified();
+}
+// -----------------------------------------------------------------------------
+
+void KTouchLectureEditor::moveUp() {
+ if (m_level==0) return;
+ m_selecting=true; // again, I don't want to process changeSelection() signals now
+ storeCurrentLevel();
+ QListViewItem *upperItem = m_currentItem->itemAbove();
+ std::swap(m_lecture.m_lectureData[m_level], m_lecture.m_lectureData[m_level-1]);
+ upperItem->setText(0, m_lecture.m_lectureData[m_level-1].m_newChars);
+ m_currentItem->setText(0, m_lecture.m_lectureData[m_level].m_newChars);
+ m_currentItem=upperItem;
+ --m_level;
+ levelListView->setSelected(m_currentItem, true);
+ showCurrentLevel();
+ m_selecting = false;
+ if (m_level==0)
+ upBtn->setEnabled(false);
+ downBtn->setEnabled(true);
+ setModified();
+}
+// -----------------------------------------------------------------------------
+
+void KTouchLectureEditor::moveDown() {
+ if (m_level>=m_lecture.m_lectureData.size()-1) return;
+ m_selecting=true; // again, I don't want to process changeSelection() signals now
+ storeCurrentLevel();
+ QListViewItem *lowerItem = m_currentItem->itemBelow();
+ std::swap(m_lecture.m_lectureData[m_level], m_lecture.m_lectureData[m_level+1]);
+ m_currentItem->setText(0, m_lecture.m_lectureData[m_level].m_newChars);
+ lowerItem->setText(0, m_lecture.m_lectureData[m_level+1].m_newChars);
+ m_currentItem=lowerItem;
+ ++m_level;
+ levelListView->setSelected(m_currentItem, true);
+ showCurrentLevel();
+ m_selecting = false;
+ if (m_level==m_lecture.m_lectureData.size()-1)
+ downBtn->setEnabled(false);
+ upBtn->setEnabled(true);
+ setModified();
+}
+// -----------------------------------------------------------------------------
+
+
+
+// ****************************
+// ***** Private functions ****
+// ****************************
+
+void KTouchLectureEditor::transfer_to_dialog() {
+ bool current_modified_flag = m_modified;
+ // set the title and the filename of the lecture
+ titleEdit->setText(m_lecture.title());
+ lectureCommentEdit->setText(m_lecture.m_comment);
+ if (m_currentURL.isEmpty()) setCaption(i18n("KTouch Lecture Editor - ") + i18n("<new unnamed lecture file>"));
+ else setCaption(i18n("KTouch Lecture Editor - ") + m_currentURL.fileName());
+ // copy the 'new char' strings of the lectures into the list view
+ levelListView->clear();
+ QValueVector<KTouchLevelData>::const_iterator it=m_lecture.m_lectureData.begin();
+ // add first item
+ QListViewItem *item=new QListViewItem( levelListView, (it++)->m_newChars );
+ // add all the others
+ for (;it!=m_lecture.m_lectureData.end(); ++it)
+ item = new QListViewItem( levelListView, item, it->m_newChars );
+ m_currentItem=levelListView->firstChild();
+ m_selecting = true; // prevent the selectionChanged() signal from interfering
+ levelListView->setSelected(m_currentItem, true);
+ m_selecting = false;
+ // open first lesson
+ m_level=0;
+ showCurrentLevel();
+ // set up the buttons
+ upBtn->setEnabled(false);
+ if (m_lecture.m_lectureData.size()>1) {
+ downBtn->setEnabled(true);
+ deleteBtn->setEnabled(true);
+ }
+ else {
+ downBtn->setEnabled(false);
+ deleteBtn->setEnabled(false);
+ }
+ // finally the font
+ if (!m_lecture.m_fontSuggestions.isEmpty()) {
+ QFont f("Monospace");
+ // TODO : multiple font suggestions
+ f.fromString(m_lecture.m_fontSuggestions);
+ linesTextEdit->setFont(f);
+ lectureCommentEdit->setFont(f);
+ levelCommentEdit->setFont(f);
+ newCharsEdit->setFont(f);
+ titleEdit->setFont(f);
+ levelListView->setFont(f);
+ }
+ setModified(current_modified_flag);
+}
+// -----------------------------------------------------------------------------
+
+void KTouchLectureEditor::transfer_from_dialog() {
+ storeCurrentLevel();
+ m_lecture.m_title = titleEdit->text();
+ m_lecture.m_comment = lectureCommentEdit->text();
+ setModified();
+}
+// -----------------------------------------------------------------------------
+
+void KTouchLectureEditor::showCurrentLevel() {
+ if (m_level >= m_lecture.m_lectureData.size()) return; // should not happen, but why running a risk here...
+ levelLabel->setText(i18n("Data of Level %1").arg(m_level+1) );
+ levelCommentEdit->setText(m_lecture.m_lectureData[m_level].m_comment);
+ newCharsEdit->setText(m_lecture.m_lectureData[m_level].m_newChars);
+ QString text;
+ for (QValueVector<QString>::const_iterator it=m_lecture.m_lectureData[m_level].m_lines.begin();
+ it!=m_lecture.m_lectureData[m_level].m_lines.end(); ++it)
+ {
+ text += *it + '\n';
+ }
+ linesTextEdit->setText(text);
+}
+// -----------------------------------------------------------------------------
+
+void KTouchLectureEditor::storeCurrentLevel() {
+ if (m_level>=m_lecture.m_lectureData.size()) return; // should not happen, but ... better check one time too much...
+ m_lecture.m_lectureData[m_level].m_comment = levelCommentEdit->text();
+ m_lecture.m_lectureData[m_level].m_newChars = newCharsEdit->text();
+ m_lecture.m_lectureData[m_level].m_lines.clear();
+ QString text = linesTextEdit->text();
+ QStringList lines;
+ QString currentLine;
+ for (unsigned int i=0; i<text.length(); ++i) {
+ QChar c = text[i];
+ if (c=='\t') c=' '; // replace tabs with spaces
+ if (c=='\n') {
+ lines.append(currentLine);
+ currentLine = "";
+ }
+ else
+ currentLine += c;
+ };
+ lines.append(currentLine);
+ for (QStringList::const_iterator it=lines.begin(); it!=lines.end(); ++it) {
+ if ((*it).isEmpty()) continue;
+ m_lecture.m_lectureData[m_level].m_lines.push_back(*it);
+ }
+}
+// -----------------------------------------------------------------------------
+
+void KTouchLectureEditor::createNewLevel() {
+ KTouchLevelData newLevel;
+ newLevel.m_newChars = i18n("abcdefghijklmnopqrstuvwxyz");
+ newLevel.m_comment = QString();
+ newLevel.m_lines.clear(); // remove the lines of the default mini level
+ newLevel.m_lines.push_back(i18n("Enter your lines here..."));
+ m_lecture.m_lectureData.push_back(newLevel);
+}
+// -----------------------------------------------------------------------------
+
+int KTouchLectureEditor::openLectureFile(const KURL& url) {
+ // First setup the open request dialog
+ KTouchOpenRequest dlg(this);
+ // Call the dialog
+ KURL new_url;
+ int result = dlg.requestFileToOpen(new_url,
+ i18n("Open Lecture File"),
+ i18n("Which Lecture File Would You Like to Edit?"),
+ i18n("Edit current lecture:"),
+ i18n("Open a default lecture:"),
+ i18n("Open a lecture file:"),
+ i18n("Create new lecture"),
+ url, KTouchPtr->lectureFiles(), i18n("<no lecture files available>"));
+
+ if (result == QDialog::Accepted) {
+ // Ok, user confirmed the dialog, now lets get the url
+ m_currentURL = new_url;
+ // Try to load the lecture, if that failes, we create a new lecture instead
+ m_lecture = KTouchLecture(); // empty the lecture
+ if (!m_currentURL.isEmpty()) {
+ // try to read old format first then XML format
+ if (!m_lecture.load(this, m_currentURL) && !m_lecture.loadXML(this, m_currentURL)) {
+ KMessageBox::sorry(this, i18n("Could not open the lecture file, creating a new one instead."));
+ m_currentURL = QString::null; // new lectures haven't got a URL
+ }
+ }
+ // If we have no URL, we create a new lecture - can happen if either the user
+ // chose "new lecture" or the chosen lecture could not be opened
+ if (m_currentURL.isEmpty()) {
+ m_lecture.createDefault();
+ m_modified = true; // new lectures are modified by default
+ }
+ else
+ m_modified = false; // newly read lectures are not modified in the begin
+ // Update our editor with the lecture data
+ transfer_to_dialog();
+ return QDialog::Accepted;
+ }
+ else return QDialog::Rejected;
+}
+// -----------------------------------------------------------------------------
+
+void KTouchLectureEditor::setModified(bool flag) {
+ m_modified = flag;
+ if (!m_currentURL.isEmpty()) {
+ if (flag) setCaption(i18n("KTouch Lecture Editor - ") + m_currentURL.fileName() + i18n(" (modified)"));
+ else setCaption(i18n("KTouch Lecture Editor - ") + m_currentURL.fileName());
+ }
+}
+// -----------------------------------------------------------------------------
+
+bool KTouchLectureEditor::saveModified() {
+ if (!m_modified) return true;
+ // ok, ask the user to save the changes
+ int result = KMessageBox::questionYesNoCancel(this,
+ i18n("The lecture has been changed. Do you want to save the changes?"),QString::null,KStdGuiItem::save(),KStdGuiItem::discard());
+ if (result == KMessageBox::Cancel) return false; // User aborted
+ if (result == KMessageBox::Yes) saveBtnClicked();
+ // if successfully saved the modified flag will be resetted in the saveBtnClicked() function
+ return true; // User acknowledged
+}
+// -----------------------------------------------------------------------------
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