#include "fb2view.hpp" #include "fb2dlgs.hpp" #include "fb2read.hpp" #include "fb2save.hpp" #include "fb2utils.h" #include "fb2html.h" #include "fb2xml2.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include //--------------------------------------------------------------------------- // Fb2NoteView //--------------------------------------------------------------------------- class Fb2NoteView : public QWebView { public: explicit Fb2NoteView(QWidget *parent, const QUrl &url); void hint(const QWebElement element, const QRect &rect); protected: void paintEvent(QPaintEvent *event); const QUrl m_url; }; Fb2NoteView::Fb2NoteView(QWidget *parent, const QUrl &url) : QWebView(parent) , m_url(url) { } void Fb2NoteView::paintEvent(QPaintEvent *event) { QWebView::paintEvent(event); QPainter painter(this); painter.setPen(Qt::black); QSize size = geometry().size() - QSize(1, 1); painter.drawRect( QRect(QPoint(0, 0), size) ); } void Fb2NoteView::hint(const QWebElement element, const QRect &rect) { QString html = element.toOuterXml(); html.prepend( "" "

" ); html.append("

"); setGeometry(rect); setHtml(html, m_url); show(); } //--------------------------------------------------------------------------- // Fb2TextPage //--------------------------------------------------------------------------- Fb2TextPage::Fb2TextPage(QObject *parent) : QWebPage(parent) { QWebSettings *s = settings(); s->setAttribute(QWebSettings::AutoLoadImages, true); s->setAttribute(QWebSettings::DeveloperExtrasEnabled, true); s->setAttribute(QWebSettings::JavaEnabled, false); s->setAttribute(QWebSettings::JavascriptEnabled, true); s->setAttribute(QWebSettings::PrivateBrowsingEnabled, true); s->setAttribute(QWebSettings::PluginsEnabled, false); s->setAttribute(QWebSettings::ZoomTextOnly, true); s->setUserStyleSheetUrl(QUrl::fromLocalFile(":style.css")); } bool Fb2TextPage::acceptNavigationRequest(QWebFrame *frame, const QNetworkRequest &request, NavigationType type) { Q_UNUSED(frame); if (type == NavigationTypeLinkClicked) { qCritical() << request.url().fragment(); return false; // QToolTip::showText(request.url().fragment()); } return QWebPage::acceptNavigationRequest(frame, request, type); } Fb2TextElement Fb2TextPage::body() { return doc().findFirst("body"); } Fb2TextElement Fb2TextPage::doc() { return mainFrame()->documentElement(); } class Fb2InsertBodyCommand : public QUndoCommand { public: explicit Fb2InsertBodyCommand(Fb2TextPage &page, QUndoCommand *parent = 0) : QUndoCommand(parent), m_page(page) {} virtual void undo(); virtual void redo(); private: Fb2TextPage & m_page; }; void Fb2InsertBodyCommand::undo() { m_page.body().lastChild().removeFromDocument(); Fb2TextElement(m_page.body().lastChild()).select(); } void Fb2InsertBodyCommand::redo() { m_page.body().appendInside("

text

"); Fb2TextElement(m_page.body().lastChild()).select(); } void Fb2TextPage::insertBody() { undoStack()->beginMacro("Insert title"); undoStack()->push(new Fb2InsertBodyCommand(*this)); undoStack()->endMacro(); emit contentsChanged(); } class Fb2InsertSubtitleCmd : public QUndoCommand { public: explicit Fb2InsertSubtitleCmd(Fb2TextPage &page, const QString &location, QUndoCommand *parent = 0) : QUndoCommand(parent), m_page(page), m_location(location) {} virtual void undo(); virtual void redo(); private: Fb2TextElement m_element; Fb2TextPage & m_page; QString m_location; QString m_position; }; void Fb2InsertSubtitleCmd::redo() { QString html = "

"; Fb2TextElement element = m_page.element(m_location); if (m_element.isNull()) { element.appendOutside(html); } else { element.appendOutside(m_element); } element = element.nextSibling(); m_position = element.location(); element.select(); QMetaObject::invokeMethod(&m_page, "selectionChanged"); QMetaObject::invokeMethod(&m_page, "contentsChanged"); } void Fb2InsertSubtitleCmd::undo() { Fb2TextElement element = m_page.element(m_position); Fb2TextElement parent = element.parent(); m_element = element.takeFromDocument(); parent.select(); QMetaObject::invokeMethod(&m_page, "selectionChanged"); QMetaObject::invokeMethod(&m_page, "contentsChanged"); } void Fb2TextPage::insertSubtitle() { Fb2TextElement element = current(); while (!element.isNull()) { Fb2TextElement parent = element.parent(); if (parent.isSection()) { Fb2TextElement previous = element.previousSibling(); if (!previous.isNull()) element = previous; undoStack()->beginMacro("Insert subtitle"); undoStack()->push(new Fb2InsertSubtitleCmd(*this, element.location())); undoStack()->endMacro(); emit contentsChanged(); break; } element = parent; } } Fb2TextElement Fb2TextPage::current() { return element(location()); } Fb2TextElement Fb2TextPage::element(const QString &location) { QStringList list = location.split(","); QStringListIterator iterator(list); QWebElement result = doc(); while (iterator.hasNext()) { QString str = iterator.next(); int pos = str.indexOf("="); QString tag = str.left(pos); int key = str.mid(pos + 1).toInt(); if (key < 0) break; result = result.firstChild(); while (0 < key--) result = result.nextSibling(); if (tag == "P") break; } return result; } QString Fb2TextPage::location() { static const QString javascript = FB2::read(":/js/get_location.js").prepend("var element=document.getSelection().anchorNode;"); return mainFrame()->evaluateJavaScript(javascript).toString(); } QString Fb2TextPage::status() { static const QString javascript = FB2::read(":/js/get_status.js"); return mainFrame()->evaluateJavaScript(javascript).toString(); } //--------------------------------------------------------------------------- // Fb2TextEdit //--------------------------------------------------------------------------- Fb2TextEdit::Fb2TextEdit(QWidget *parent) : Fb2TextBase(parent) , m_noteView(0) , m_thread(0) { setPage(new Fb2TextPage(this)); page()->setNetworkAccessManager(new Fb2NetworkAccessManager(*this)); page()->setContentEditable(true); connect(page(), SIGNAL(contentsChanged()), this, SLOT(fixContents())); connect(page(), SIGNAL(linkHovered(QString,QString,QString)), this, SLOT(linkHovered(QString,QString,QString))); connect(this, SIGNAL(loadFinished(bool)), SLOT(loadFinished())); } Fb2TextEdit::~Fb2TextEdit() { FB2DELETE(m_noteView); } Fb2TextPage * Fb2TextEdit::page() { return qobject_cast(Fb2TextBase::page()); } Fb2NoteView & Fb2TextEdit::noteView() { if (m_noteView) return *m_noteView; m_noteView = new Fb2NoteView(qobject_cast(parent()), url()); m_noteView->setPage(new Fb2TextPage(this)); m_noteView->page()->setNetworkAccessManager(page()->networkAccessManager()); m_noteView->page()->setContentEditable(false); m_noteView->setGeometry(QRect(100, 100, 400, 200)); return *m_noteView; } QWebElement Fb2TextEdit::body() { return doc().findFirst("body"); } QWebElement Fb2TextEdit::doc() { return page()->mainFrame()->documentElement(); } void Fb2TextEdit::fixContents() { foreach (QWebElement span, doc().findAll("span.apple-style-span[style]")) { span.removeAttribute("style"); } } void Fb2TextEdit::mouseMoveEvent(QMouseEvent *event) { m_point = event->pos(); QWebView::mouseMoveEvent(event); } void Fb2TextEdit::linkHovered(const QString &link, const QString &title, const QString &textContent) { Q_UNUSED(title); Q_UNUSED(textContent); const QString href = QUrl(link).fragment(); if (href.isEmpty()) { if (m_noteView) m_noteView->hide(); return; } const QString query = QString("DIV#%1").arg(href); const QWebElement element = doc().findFirst(query); if (element.isNull()) { if (m_noteView) m_noteView->hide(); return; } QRect rect = geometry(); QSize size = element.geometry().size() + QSize(2, 4); int center = rect.size().height() / 2; int h = size.height(); if (h > center) size.setHeight(center - 10); int x = (rect.size().width() - size.width()) / 2; int y = m_point.y(); if ( y > h ) y = y - h - 10; else y = y + 10; QPoint point = QPoint(x, y) + rect.topLeft(); noteView().hint(element, QRect(point, size)); } void Fb2TextEdit::load(const QString &filename, const QString &xml) { if (m_thread) return; m_thread = new Fb2ReadThread(this, filename, xml); m_thread->start(); } bool Fb2TextEdit::save(QIODevice *device, const QString &codec) { Fb2SaveWriter writer(*this, device); if (!codec.isEmpty()) writer.setCodec(codec.toLatin1()); bool ok = Fb2SaveHandler(writer).save(); if (ok) page()->undoStack()->setClean(); return ok; } bool Fb2TextEdit::save(QByteArray *array) { Fb2SaveWriter writer(*this, array); return Fb2SaveHandler(writer).save(); } bool Fb2TextEdit::save(QString *string) { // Use class QByteArray instead QString // to store information about encoding. QByteArray data; bool ok = save(&data); if (ok) *string = QString::fromUtf8(data.data()); return ok; } void Fb2TextEdit::data(QString name, QByteArray data) { m_files.set(name, data); } void Fb2TextEdit::html(QString name, QString html) { static int number = 0; setHtml(html, QUrl(QString("fb2:/%1/").arg(number++))); if (m_thread) m_thread->deleteLater(); m_thread = 0; } void Fb2TextEdit::zoomIn() { qreal zoom = zoomFactor(); setZoomFactor(zoom * 1.1); } void Fb2TextEdit::zoomOut() { qreal zoom = zoomFactor(); setZoomFactor(zoom * 0.9); } void Fb2TextEdit::zoomReset() { setZoomFactor(1); } bool Fb2TextEdit::UndoEnabled() { return pageAction(QWebPage::Undo)->isEnabled(); } bool Fb2TextEdit::RedoEnabled() { return pageAction(QWebPage::Redo)->isEnabled(); } bool Fb2TextEdit::CutEnabled() { return pageAction(QWebPage::Cut)->isEnabled(); } bool Fb2TextEdit::CopyEnabled() { return pageAction(QWebPage::Copy)->isEnabled(); } bool Fb2TextEdit::BoldChecked() { return pageAction(QWebPage::ToggleBold)->isChecked(); } bool Fb2TextEdit::ItalicChecked() { return pageAction(QWebPage::ToggleItalic)->isChecked(); } bool Fb2TextEdit::StrikeChecked() { return pageAction(QWebPage::ToggleStrikethrough)->isChecked(); } bool Fb2TextEdit::SubChecked() { return pageAction(QWebPage::ToggleSubscript)->isChecked(); } bool Fb2TextEdit::SupChecked() { return pageAction(QWebPage::ToggleSuperscript)->isChecked(); } void Fb2TextEdit::find() { Fb2TextFindDlg dlg(*this); dlg.exec(); } void Fb2TextEdit::insertImage() { QString filters; filters += tr("Common Graphics (*.png *.jpg *.jpeg *.gif);;"); filters += tr("Portable Network Graphics (PNG) (*.png);;"); filters += tr("JPEG (*.jpg *.jpeg);;"); filters += tr("Graphics Interchange Format (*.gif);;"); filters += tr("All Files (*)"); QString path = QFileDialog::getOpenFileName(this, tr("Insert image..."), QString(), filters); if (path.isEmpty()) return; QFile file(path); if (!file.open(QIODevice::ReadOnly)) return; QByteArray data = file.readAll(); QString name = m_files.add(path, data); execCommand("insertImage", name.prepend("#")); } void Fb2TextEdit::insertNote() { Fb2NoteDlg dlg(*this); dlg.exec(); } void Fb2TextEdit::insertLink() { } void Fb2TextEdit::execCommand(const QString &cmd, const QString &arg) { QString javascript = QString("document.execCommand(\"%1\",false,\"%2\")").arg(cmd).arg(arg); page()->mainFrame()->evaluateJavaScript(javascript); } void Fb2TextEdit::loadFinished() { Fb2TextElement element = body().findFirst("div.body"); if (element.isNull()) element = body(); element.select(); } void Fb2TextEdit::insertTitle() { page()->undoStack()->beginMacro("Insert title"); static const QString javascript = FB2::read(":/js/insert_title.js"); page()->mainFrame()->evaluateJavaScript(javascript); page()->undoStack()->endMacro(); } //--------------------------------------------------------------------------- // Fb2TextFrame //--------------------------------------------------------------------------- Fb2TextFrame::Fb2TextFrame(QWidget* parent) : QFrame(parent) , view(this) , dock(0) { setFrameShape(QFrame::StyledPanel); setFrameShadow(QFrame::Sunken); QLayout * layout = new QBoxLayout(QBoxLayout::LeftToRight, this); layout->setSpacing(0); layout->setMargin(0); layout->addWidget(&view); } Fb2TextFrame::~Fb2TextFrame() { if (dock) dock->deleteLater(); } void Fb2TextFrame::showInspector() { if (dock) { dock->show(); return; } QMainWindow * main = qobject_cast(parent()); if (!main) return; dock = new QDockWidget(tr("Web inspector"), this); dock->setFeatures(QDockWidget::AllDockWidgetFeatures); main->addDockWidget(Qt::BottomDockWidgetArea, dock); QWebInspector * inspector = new QWebInspector(this); inspector->setPage(view.page()); dock->setWidget(inspector); } void Fb2TextFrame::hideInspector() { if (dock) dock->hide(); }