#include "fb2text.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 #include #include #include //--------------------------------------------------------------------------- // FbTextLogger //--------------------------------------------------------------------------- void FbTextLogger::trace(const QString &text) { qCritical() << text; } //--------------------------------------------------------------------------- // FbNoteView //--------------------------------------------------------------------------- class FbNoteView : public QWebView { public: explicit FbNoteView(QWidget *parent, const QUrl &url); void hint(const QWebElement element, const QRect &rect); protected: void paintEvent(QPaintEvent *event); const QUrl m_url; }; FbNoteView::FbNoteView(QWidget *parent, const QUrl &url) : QWebView(parent) , m_url(url) { } void FbNoteView::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 FbNoteView::hint(const QWebElement element, const QRect &rect) { QString html = element.toOuterXml(); html.prepend( "" "" ); html.append(""); setGeometry(rect); setHtml(html, m_url); show(); } //--------------------------------------------------------------------------- // FbTextPage //--------------------------------------------------------------------------- FbTextPage::FbTextPage(QObject *parent) : QWebPage(parent) , m_logger(this) { 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")); setContentEditable(true); setNetworkAccessManager(new FbNetworkAccessManager(this)); connect(this, SIGNAL(loadFinished(bool)), SLOT(loadFinished())); connect(this, SIGNAL(contentsChanged()), SLOT(fixContents())); } FbNetworkAccessManager *FbTextPage::temp() { return qobject_cast(networkAccessManager()); } bool FbTextPage::acceptNavigationRequest(QWebFrame *frame, const QNetworkRequest &request, NavigationType type) { Q_UNUSED(frame); if (type == NavigationTypeLinkClicked) { qCritical() << request.url().fragment(); return false; } return QWebPage::acceptNavigationRequest(frame, request, type); } QString FbTextPage::block(const QString &name) { return block(name, p()); } QString FbTextPage::block(const QString &name, const QString &text) { return QString("%2").arg(name).arg(text); } QString FbTextPage::p(const QString &text) { return QString("

").arg(text); } FbTextElement FbTextPage::body() { return doc().findFirst("body"); } FbTextElement FbTextPage::doc() { return mainFrame()->documentElement(); } void FbTextPage::push(QUndoCommand * command, const QString &text) { undoStack()->beginMacro(text); undoStack()->push(command); undoStack()->endMacro(); } void FbTextPage::update() { emit contentsChanged(); emit selectionChanged(); } FbTextElement FbTextPage::appendSection(const FbTextElement &parent) { QString html = block("section", block("title", p()) + p()); FbTextElement element = parent; element.appendInside(html); element = parent.lastChild(); QUndoCommand * command = new FbInsertCmd(element); push(command, tr("Append section")); return element; } FbTextElement FbTextPage::appendTitle(const FbTextElement &parent) { QString html = block("title", p()); FbTextElement element = parent; element.prependInside(html); element = parent.firstChild(); QUndoCommand * command = new FbInsertCmd(element); push(command, tr("Append section")); return element; } void FbTextPage::insertBody() { QString html = block("body", block("title", p()) + block("section", block("title", p()) + p())); FbTextElement element = body(); element.appendInside(html); element = element.lastChild(); QUndoCommand * command = new FbInsertCmd(element); push(command, tr("Append body")); } void FbTextPage::insertSection() { FbTextElement element = current(); while (!element.isNull()) { if (element.isSection() || element.isBody()) { appendSection(element); break; } element = element.parent(); } } void FbTextPage::insertTitle() { FbTextElement element = current(); while (!element.isNull()) { FbTextElement parent = element.parent(); if ((parent.isSection() || parent.isBody()) && !parent.hasTitle()) { QString html = block("title", p()); parent.prependInside(html); element = parent.firstChild(); QUndoCommand * command = new FbInsertCmd(element); push(command, tr("Insert title")); break; } element = parent; } } void FbTextPage::insertSubtitle() { FbTextElement element = current(); while (!element.isNull()) { FbTextElement parent = element.parent(); if (parent.isSection()) { QString html = block("subtitle", p()); if (element.isTitle()) { element.appendOutside(html); element = element.nextSibling(); } else { element.prependOutside(html); element = element.previousSibling(); } QUndoCommand * command = new FbInsertCmd(element); push(command, tr("Insert subtitle")); break; } element = parent; } } void FbTextPage::insertPoem() { FbTextElement element = current(); while (!element.isNull()) { FbTextElement parent = element.parent(); if (parent.isSection()) { QString html = block("poem", block("stanza", p())); if (element.isTitle()) { element.appendOutside(html); element = element.nextSibling(); } else { element.prependOutside(html); element = element.previousSibling(); } QUndoCommand * command = new FbInsertCmd(element); push(command, tr("Insert poem")); break; } element = parent; } } void FbTextPage::insertStanza() { FbTextElement element = current(); while (!element.isNull()) { if (element.isStanza()) { QString html = block("stanza", p()); element.appendOutside(html); element = element.nextSibling(); QUndoCommand * command = new FbInsertCmd(element); push(command, tr("Append stanza")); break; } element = element.parent(); } } void FbTextPage::insertAnnot() { } void FbTextPage::insertAuthor() { } void FbTextPage::insertEpigraph() { const QString type = "epigraph"; FbTextElement element = current(); while (!element.isNull()) { if (element.hasSubtype(type)) { QString html = block("epigraph", p()); element = element.insertInside(type, html); QUndoCommand * command = new FbInsertCmd(element); push(command, tr("Insert epigraph")); break; } element = element.parent(); } } void FbTextPage::insertDate() { } void FbTextPage::insertText() { } void FbTextPage::createBlock(const QString &name) { QString style = name; QString js1 = jScript("section_get.js"); QString result = mainFrame()->evaluateJavaScript(js1).toString(); QStringList list = result.split("|"); if (list.count() < 2) return; const QString location = list[0]; const QString position = list[1]; if (style == "title" && position.left(2) != "0,") style.prepend("sub"); FbTextElement original = element(location); FbTextElement duplicate = original.clone(); original.appendOutside(duplicate); original.takeFromDocument(); QString js2 = jScript("section_new.js") + ";f(this,'fb:%1',%2)"; duplicate.evaluateJavaScript(js2.arg(style).arg(position)); QUndoCommand * command = new FbReplaceCmd(original, duplicate); push(command, tr("Create <%1>").arg(style)); } void FbTextPage::createSection() { createBlock("section"); } void FbTextPage::deleteSection() { FbTextElement element = current(); while (!element.isNull()) { if (element.isSection()) { if (element.parent().isBody()) return; FbTextElement original = element.parent(); FbTextElement duplicate = original.clone(); int index = element.index(); original.appendOutside(duplicate); original.takeFromDocument(); element = duplicate.child(index); if (index) { FbTextElement title = element.firstChild(); if (title.isTitle()) { title.removeClass("title"); title.addClass("subtitle"); } } QString xml = element.toInnerXml(); element.setOuterXml(xml); QUndoCommand * command = new FbReplaceCmd(original, duplicate); push(command, tr("Remove section")); element.select(); break; } element = element.parent(); } } void FbTextPage::createTitle() { createBlock("title"); } FbTextElement FbTextPage::current() { return element(location()); } FbTextElement FbTextPage::element(const QString &location) { if (location.isEmpty()) return FbTextElement(); QStringList list = location.split(",", QString::SkipEmptyParts); 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(); } return result; } QString FbTextPage::location() { QString javascript = "location(document.getSelection().anchorNode)"; return mainFrame()->evaluateJavaScript(javascript).toString(); } QString FbTextPage::status() { QString javascript = jScript("get_status.js"); QString status = mainFrame()->evaluateJavaScript(javascript).toString(); return status.replace("FB:", ""); } void FbTextPage::loadFinished() { mainFrame()->addToJavaScriptWindowObject("logger", &m_logger); FbTextElement element = body().findFirst("fb\\:section"); if (element.isNull()) element = body().findFirst("fb\\:body"); if (element.isNull()) element = body(); FbTextElement child = element.firstChild(); if (child.isTitle()) child = child.nextSibling(); if (!child.isNull()) element = child; element.select(); } void FbTextPage::fixContents() { foreach (QWebElement span, doc().findAll("span.apple-style-span[style]")) { span.removeAttribute("style"); } foreach (QWebElement span, doc().findAll("[style]")) { span.removeAttribute("style"); } } //--------------------------------------------------------------------------- // FbTextBase //--------------------------------------------------------------------------- void FbTextBase::addTools(QToolBar *tool) { QAction *act; act = pageAction(QWebPage::Undo); act->setIcon(FbIcon("edit-undo")); act->setText(QObject::tr("&Undo")); act->setPriority(QAction::LowPriority); act->setShortcut(QKeySequence::Undo); tool->addAction(act); act = pageAction(QWebPage::Redo); act->setIcon(FbIcon("edit-redo")); act->setText(QObject::tr("&Redo")); act->setPriority(QAction::LowPriority); act->setShortcut(QKeySequence::Redo); tool->addAction(act); tool->addSeparator(); act = pageAction(QWebPage::Cut); act->setIcon(FbIcon("edit-cut")); act->setText(QObject::tr("Cu&t")); act->setPriority(QAction::LowPriority); act->setShortcuts(QKeySequence::Cut); act->setStatusTip(QObject::tr("Cut the current selection's contents to the clipboard")); tool->addAction(act); act = pageAction(QWebPage::Copy); act->setIcon(FbIcon("edit-copy")); act->setText(QObject::tr("&Copy")); act->setPriority(QAction::LowPriority); act->setShortcuts(QKeySequence::Copy); act->setStatusTip(QObject::tr("Copy the current selection's contents to the clipboard")); tool->addAction(act); act = pageAction(QWebPage::Paste); act->setIcon(FbIcon("edit-paste")); act->setText(QObject::tr("&Paste")); act->setPriority(QAction::LowPriority); act->setShortcuts(QKeySequence::Paste); act->setStatusTip(QObject::tr("Paste the clipboard's contents into the current selection")); tool->addAction(act); tool->addSeparator(); act = pageAction(QWebPage::RemoveFormat); act->setText(QObject::tr("Clear format")); act->setIcon(FbIcon("edit-clear")); act = pageAction(QWebPage::ToggleBold); act->setIcon(FbIcon("format-text-bold")); act->setText(QObject::tr("&Bold")); tool->addAction(act); act = pageAction(QWebPage::ToggleItalic); act->setIcon(FbIcon("format-text-italic")); act->setText(QObject::tr("&Italic")); tool->addAction(act); act = pageAction(QWebPage::ToggleStrikethrough); act->setIcon(FbIcon("format-text-strikethrough")); act->setText(QObject::tr("&Strikethrough")); tool->addAction(act); act = pageAction(QWebPage::ToggleSuperscript); act->setIcon(FbIcon("format-text-superscript")); act->setText(QObject::tr("Su&perscript")); tool->addAction(act); act = pageAction(QWebPage::ToggleSubscript); act->setIcon(FbIcon("format-text-subscript")); act->setText(QObject::tr("Su&bscript")); tool->addAction(act); } //--------------------------------------------------------------------------- // FbTextEdit //--------------------------------------------------------------------------- FbTextEdit::FbTextEdit(QWidget *parent) : FbTextBase(parent) , m_noteView(0) , m_thread(0) { setContextMenuPolicy(Qt::CustomContextMenu); connect(this, SIGNAL(customContextMenuRequested(QPoint)), SLOT(contextMenu(QPoint))); setPage(new FbTextPage(this)); } FbTextEdit::~FbTextEdit() { if (m_noteView) delete m_noteView; } FbTextPage *FbTextEdit::page() { return qobject_cast(FbTextBase::page()); } FbNetworkAccessManager *FbTextEdit::files() { return page()->temp(); } FbNoteView & FbTextEdit::noteView() { if (m_noteView) return *m_noteView; m_noteView = new FbNoteView(qobject_cast(parent()), url()); m_noteView->setPage(new FbTextPage(this)); m_noteView->page()->setNetworkAccessManager(page()->networkAccessManager()); m_noteView->page()->setContentEditable(false); m_noteView->setGeometry(QRect(100, 100, 400, 200)); return *m_noteView; } QWebElement FbTextEdit::body() { return doc().findFirst("body"); } QWebElement FbTextEdit::doc() { return page()->mainFrame()->documentElement(); } void FbTextEdit::mouseMoveEvent(QMouseEvent *event) { m_point = event->pos(); QWebView::mouseMoveEvent(event); } void FbTextEdit::contextMenu(const QPoint &pos) { QMenu menu, *submenu; submenu = menu.addMenu(tr("Fo&rmat")); submenu->addAction(pageAction(QWebPage::RemoveFormat)); submenu->addSeparator(); submenu->addAction(pageAction(QWebPage::ToggleBold)); submenu->addAction(pageAction(QWebPage::ToggleItalic)); submenu->addAction(pageAction(QWebPage::ToggleStrikethrough)); submenu->addAction(pageAction(QWebPage::ToggleSuperscript)); submenu->addAction(pageAction(QWebPage::ToggleSubscript)); menu.addSeparator(); menu.addAction(pageAction(QWebPage::Cut)); menu.addAction(pageAction(QWebPage::Copy)); menu.addAction(pageAction(QWebPage::Paste)); menu.addAction(pageAction(QWebPage::PasteAndMatchStyle)); menu.exec(mapToGlobal(pos)); } void FbTextEdit::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("fb\\:section#%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 FbTextEdit::load(const QString &filename, const QString &xml) { if (m_thread) return; m_thread = new FbReadThread(this, filename, xml); FbTextPage *page = new FbTextPage(m_thread); m_thread->setPage(page); m_thread->setTemp(page->temp()); m_thread->start(); } void FbTextEdit::html(QString html) { if (!m_thread) return; static int number = 0; QWebSettings::clearMemoryCaches(); QUrl url(QString("fb2:/%1/").arg(number++)); FbTextPage *page = m_thread->page(); setPage(page); page->setParent(this); page->temp()->setPath(url.path()); setHtml(html, url); connect(page, SIGNAL(linkHovered(QString,QString,QString)), SLOT(linkHovered(QString,QString,QString))); m_thread->deleteLater(); m_thread = 0; } bool FbTextEdit::save(QIODevice *device, const QString &codec) { FbSaveWriter writer(*this, device); if (!codec.isEmpty()) writer.setCodec(codec.toLatin1()); bool ok = FbSaveHandler(writer).save(); if (ok) page()->undoStack()->setClean(); return ok; } bool FbTextEdit::save(QByteArray *array) { FbSaveWriter writer(*this, array); return FbSaveHandler(writer).save(); } bool FbTextEdit::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 FbTextEdit::data(QString name, QByteArray data) { files()->data(name, data); } void FbTextEdit::zoomIn() { qreal zoom = zoomFactor(); setZoomFactor(zoom * 1.1); } void FbTextEdit::zoomOut() { qreal zoom = zoomFactor(); setZoomFactor(zoom * 0.9); } void FbTextEdit::zoomReset() { setZoomFactor(1); } bool FbTextEdit::actionEnabled(QWebPage::WebAction action) { QAction *act = pageAction(action); return act ? act->isEnabled() : false; } bool FbTextEdit::actionChecked(QWebPage::WebAction action) { QAction *act = pageAction(action); return act ? act->isChecked() : false; } bool FbTextEdit::BoldChecked() { return pageAction(QWebPage::ToggleBold)->isChecked(); } bool FbTextEdit::ItalicChecked() { return pageAction(QWebPage::ToggleItalic)->isChecked(); } bool FbTextEdit::StrikeChecked() { return pageAction(QWebPage::ToggleStrikethrough)->isChecked(); } bool FbTextEdit::SubChecked() { return pageAction(QWebPage::ToggleSubscript)->isChecked(); } bool FbTextEdit::SupChecked() { return pageAction(QWebPage::ToggleSuperscript)->isChecked(); } void FbTextEdit::find() { FbTextFindDlg dlg(*this); dlg.exec(); } void FbTextEdit::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 = files()->add(path, data); execCommand("insertImage", name.prepend("#")); } void FbTextEdit::insertNote() { FbNoteDlg dlg(*this); dlg.exec(); } void FbTextEdit::insertLink() { bool ok; QString text = QInputDialog::getText(this, tr("Insert hyperlink"), tr("URL:"), QLineEdit::Normal, QString(), &ok); if (ok && !text.isEmpty()) execCommand("CreateLink", text); } void FbTextEdit::execCommand(const QString &cmd, const QString &arg) { QString javascript = QString("document.execCommand(\"%1\",false,\"%2\")").arg(cmd).arg(arg); page()->mainFrame()->evaluateJavaScript(javascript); } //--------------------------------------------------------------------------- // FbWebFrame //--------------------------------------------------------------------------- FbWebFrame::FbWebFrame(QWidget *parent) : QFrame(parent) , m_view(this) { setFrameShape(QFrame::StyledPanel); setFrameShadow(QFrame::Sunken); QLayout * layout = new QBoxLayout(QBoxLayout::LeftToRight, this); layout->setSpacing(0); layout->setMargin(0); layout->addWidget(&m_view); } //--------------------------------------------------------------------------- // FbTextFrame //--------------------------------------------------------------------------- FbTextFrame::FbTextFrame(QWidget *parent, QAction *action) : QFrame(parent) , m_view(this) , m_dock(0) { setFrameShape(QFrame::StyledPanel); setFrameShadow(QFrame::Sunken); QLayout * layout = new QBoxLayout(QBoxLayout::LeftToRight, this); layout->setSpacing(0); layout->setMargin(0); layout->addWidget(&m_view); connect(action, SIGNAL(triggered()), SLOT(showInspector())); } FbTextFrame::~FbTextFrame() { if (m_dock) m_dock->deleteLater(); } void FbTextFrame::showInspector() { if (m_dock) { m_dock->setVisible(m_dock->isHidden()); return; } QMainWindow *main = qobject_cast(parent()); if (!main) return; m_dock = new QDockWidget(tr("Web inspector"), this); m_dock->setFeatures(QDockWidget::AllDockWidgetFeatures); main->addDockWidget(Qt::BottomDockWidgetArea, m_dock); QWebInspector *inspector = new QWebInspector(this); inspector->setPage(m_view.page()); m_dock->setWidget(inspector); connect(m_dock, SIGNAL(visibilityChanged(bool)), main, SIGNAL(showInspectorChecked(bool))); connect(m_dock, SIGNAL(destroyed()), SLOT(dockDestroyed())); } void FbTextFrame::hideInspector() { if (m_dock) m_dock->hide(); } void FbTextFrame::dockDestroyed() { m_dock = 0; } //--------------------------------------------------------------------------- // FbTextAction //--------------------------------------------------------------------------- FbTextAction::FbTextAction(const QString &text, QWebPage::WebAction action, QObject* parent) : QAction(text, parent) , m_action(action) { } FbTextAction::FbTextAction(const QIcon &icon, const QString &text, QWebPage::WebAction action, QObject* parent) : QAction(icon, text, parent) , m_action(action) { } void FbTextAction::updateChecked() { if (QAction * act = action(m_action)) setChecked(act->isChecked()); } void FbTextAction::updateEnabled() { if (QAction * act = action(m_action)) setEnabled(act->isEnabled()); }