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create/src/Mod/Web/Gui/BrowserView.cpp

314 lines
9.3 KiB
C++

/***************************************************************************
* Copyright (c) 2009 Jürgen Riegel <juergen.riegel@web.de> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreComp_
# include <QAbstractTextDocumentLayout>
# include <QApplication>
# include <QClipboard>
# include <QDateTime>
# include <QHBoxLayout>
# include <QMessageBox>
# include <QNetworkRequest>
# include <QPainter>
# include <QPrinter>
# include <QPrintDialog>
# include <QScrollBar>
# include <QMouseEvent>
# if QT_VERSION >= 0x040400
# include <QWebFrame>
# include <QWebView>
# include <QWebSettings>
# endif
# include <QStatusBar>
# include <QTextBlock>
# include <QTextCodec>
# include <QTextStream>
# include <QTimer>
# include <QFileInfo>
#endif
#include "BrowserView.h"
#include <Gui/Application.h>
#include <Gui/MainWindow.h>
#include <Gui/ProgressBar.h>
#include <Gui/DownloadDialog.h>
#include <Gui/Command.h>
#include <Gui/OnlineDocumentation.h>
#include <Base/Parameter.h>
#include <Base/Exception.h>
using namespace WebGui;
using namespace Gui;
/**
* Constructs a WebView widget which can be zoomed with Ctrl+Mousewheel
*
*/
WebView::WebView(QWidget *parent)
: QWebView(parent)
{
}
void WebView::wheelEvent(QWheelEvent *event)
{
if (QApplication::keyboardModifiers() & Qt::ControlModifier)
{
qreal factor = zoomFactor() + (-event->delta() / 800.0);
setZoomFactor(factor);
event->accept();
return;
}
QWebView::wheelEvent(event);
}
/* TRANSLATOR Gui::BrowserView */
/**
* Constructs a BrowserView which is a child of 'parent', with the
* name 'name'.
*/
BrowserView::BrowserView(QWidget* parent)
: MDIView(0,parent,0),
WindowParameter( "Browser" ),
isLoading(false),
textSizeMultiplier(1.0)
{
view = new WebView(this);
setCentralWidget(view);
view->page()->setLinkDelegationPolicy(QWebPage::DelegateAllLinks);
view->page()->setForwardUnsupportedContent(true);
// setting background to white
QPalette palette = view->palette();
palette.setBrush(QPalette::Base, Qt::white);
view->page()->setPalette(palette);
view->setAttribute(Qt::WA_OpaquePaintEvent, true);
connect(view, SIGNAL(loadStarted()),
this, SLOT(onLoadStarted()));
connect(view, SIGNAL(loadProgress(int)),
this, SLOT(onLoadProgress(int)));
connect(view, SIGNAL(loadFinished(bool)),
this, SLOT(onLoadFinished(bool)));
connect(view, SIGNAL(linkClicked(const QUrl &)),
this, SLOT(onLinkClicked(const QUrl &)));
connect(view->page(), SIGNAL(downloadRequested(const QNetworkRequest &)),
this, SLOT(onDownloadRequested(const QNetworkRequest &)));
}
/** Destroys the object and frees any allocated resources */
BrowserView::~BrowserView()
{
delete view;
}
void BrowserView::onLinkClicked (const QUrl & url)
{
QString scheme = url.scheme();
QString host = url.host();
// path handling
QString path = url.path();
QFileInfo fi(path);
QString ext = fi.completeSuffix();
//QString fragment = url. fragment();
if (scheme==QString::fromLatin1("http")) {
bool ok = false;
if (ok) {
//Dialog::DownloadDialog dlg (url,this/*QString::fromLatin1("c:/temp/test.fcstd")*/);
//int result = dlg.exec();
//if(ext ==QString::fromLatin1("fcstd") )
// Gui::Command::doCommand(Gui::Command::Gui,"Gui.open('c:/temp/test.fcstd')");
}
else {
load(url);
}
//OpenURLInBrowser(url.toString().toLatin1());
}
// run scripts if not from somewhere else!
if ((scheme.size() < 2 || scheme==QString::fromLatin1("file"))&& host.isEmpty()) {
QFileInfo fi(path);
if (fi.exists()) {
QString ext = fi.completeSuffix();
if (ext == QString::fromLatin1("py")) {
try {
Gui::Command::doCommand(Gui::Command::Gui,"execfile('%s')",(const char*) fi.absoluteFilePath(). toLocal8Bit());
}
catch (const Base::Exception& e) {
QMessageBox::critical(this, tr("Error"), QString::fromUtf8(e.what()));
}
}
}
else {
QMessageBox::warning(Gui::getMainWindow(), QObject::tr("File does not exist!"),
fi.absoluteFilePath ());
}
}
}
bool BrowserView::chckHostAllowed(const QString& host)
{
// only check if a local file, later we can do here a dialog to ask the user if
return host.isEmpty();
}
void BrowserView::onDownloadRequested(const QNetworkRequest & request)
{
Dialog::DownloadDialog dlg (request.url(),this);
dlg.exec();
}
void BrowserView::load(const char* URL)
{
QUrl url = QUrl(QString::fromUtf8(URL));
load(url);
}
void BrowserView::load(const QUrl & url)
{
if(isLoading)
stop();
view->load(url);
view->setUrl(url);
if (url.scheme().size() < 2) {
QString path = url.path();
QFileInfo fi(path);
QString name = fi.baseName();
setWindowTitle(name);
}
else {
setWindowTitle(url.host());
}
setWindowIcon(QWebSettings::iconForUrl(url));
}
void BrowserView::setHtml(const QString& HtmlCode,const QUrl & BaseUrl,const QString& TabName)
{
if (isLoading)
stop();
view->setHtml(HtmlCode,BaseUrl);
setWindowTitle(TabName);
setWindowIcon(QWebSettings::iconForUrl(BaseUrl));
}
void BrowserView::stop(void)
{
view->stop();
}
void BrowserView::onLoadStarted()
{
QProgressBar* bar = Gui::Sequencer::instance()->getProgressBar();
bar->setRange(0, 100);
bar->show();
Gui::getMainWindow()->showMessage(tr("Loading %1...").arg(view->url().toString()));
isLoading = true;
}
void BrowserView::onLoadProgress(int step)
{
QProgressBar* bar = Gui::Sequencer::instance()->getProgressBar();
bar->setValue(step);
}
void BrowserView::onLoadFinished(bool ok)
{
if (ok) {
QProgressBar* bar = Sequencer::instance()->getProgressBar();
bar->setValue(100);
bar->hide();
getMainWindow()->showMessage(QString());
}
isLoading = false;
}
void BrowserView::OnChange(Base::Subject<const char*> &rCaller,const char* rcReason)
{
}
/**
* Runs the action specified by \a pMsg.
*/
bool BrowserView::onMsg(const char* pMsg,const char** ppReturn)
{
if (strcmp(pMsg,"Back")==0){
view->back();
return true;
} else if (strcmp(pMsg,"Next")==0){
view->forward();
return true;
} else if (strcmp(pMsg,"Refresh")==0){
view->reload();
return true;
} else if (strcmp(pMsg,"Stop")==0){
stop();
return true;
} else if (strcmp(pMsg,"ZoomIn")==0){
textSizeMultiplier += 0.2f;
view->setTextSizeMultiplier(textSizeMultiplier);
return true;
} else if (strcmp(pMsg,"ZoomOut")==0){
textSizeMultiplier -= 0.2f;
view->setTextSizeMultiplier(textSizeMultiplier);
return true;
}
return false;
}
/**
* Checks if the action \a pMsg is available. This is for enabling/disabling
* the corresponding buttons or menu items for this action.
*/
bool BrowserView::onHasMsg(const char* pMsg) const
{
if (strcmp(pMsg,"Back")==0) return true;
if (strcmp(pMsg,"Next")==0) return true;
if (strcmp(pMsg,"Refresh")==0) return !isLoading;
if (strcmp(pMsg,"Stop")==0) return isLoading;
if (strcmp(pMsg,"ZoomIn")==0) return true;
if (strcmp(pMsg,"ZoomOut")==0) return true;
return false;
}
/** Checking on close state. */
bool BrowserView::canClose(void)
{
return true;
}
#include "moc_BrowserView.cpp"