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tdeaddons/konq-plugins/kimgalleryplugin/imgalleryplugin.cpp

500 lines
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/* This file is part of the KDE project
Copyright (C) 2001, 2003 Lukas Tinkl <lukas@kde.org>
Andreas Schlapbach <schlpbch@iam.unibe.ch>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License version 2 as published by the Free Software Foundation.
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., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include <tqdir.h>
#include <tqtextstream.h>
#include <tqfile.h>
#include <tqfont.h>
#include <tqdatetime.h>
#include <tqpixmap.h>
#include <tqimage.h>
#include <tqprogressdialog.h>
#include <tqtextcodec.h>
#include <tqstylesheet.h>
#include <kaction.h>
#include <kglobal.h>
#include <klocale.h>
#include <kcharsets.h>
#include <kmessagebox.h>
#include <kurl.h>
#include <kapplication.h>
#include <kimageio.h>
#include <kdebug.h>
#include <kgenericfactory.h>
#include <kio/netaccess.h>
#include <kpushbutton.h>
#include "imgallerydialog.h"
#include "imgalleryplugin.h"
typedef KGenericFactory<KImGalleryPlugin> KImGalleryPluginFactory;
K_EXPORT_COMPONENT_FACTORY( libkimgallery, KImGalleryPluginFactory( "imgalleryplugin" ) )
KImGalleryPlugin::KImGalleryPlugin( TQObject* parent, const char* name, const TQStringList & )
: KParts::Plugin( parent, name ), m_commentMap(0)
{
new KAction( i18n( "&Create Image Gallery..." ), "imagegallery", CTRL+Key_I, this,
TQT_SLOT( slotExecute() ), actionCollection(), "create_img_gallery" );
}
void KImGalleryPlugin::slotExecute()
{
m_progressDlg=0L;
if ( !parent() || !parent()->inherits("KonqDirPart"))
{
KMessageBox::sorry( 0L, i18n("Could not create the plugin, please report a bug."));
return;
}
m_part = static_cast<KonqDirPart *>(parent());
if (!m_part->url().isLocalFile()) { //TODO support remote URLs too?
KMessageBox::sorry(m_part->widget(), i18n("Creating an image gallery works only on local folders."));
return;
}
kdDebug(90170) << "dialog is ok" << endl;
m_configDlg = new KIGPDialog(m_part->widget(), m_part->url().path(+1));
if ( m_configDlg->exec() == TQDialog::Accepted ) {
kdDebug(90170) << "dialog is ok" << endl;
m_configDlg->writeConfig();
m_copyFiles = m_configDlg->copyOriginalFiles();
m_recurseSubDirectories = m_configDlg->recurseSubDirectories();
m_useCommentFile = m_configDlg->useCommentFile();
m_imagesPerRow = m_configDlg->getImagesPerRow();
KURL url(m_configDlg->getImageName());
if ( !url.isEmpty() && url.isValid()) {
m_progressDlg = new TQProgressDialog(m_part->widget(), "progressDlg", true );
TQObject::connect(m_progressDlg, TQT_SIGNAL( cancelled() ), this, TQT_SLOT( slotCancelled() ) );
m_progressDlg->setLabelText( i18n("Creating thumbnails") );
m_progressDlg->setCancelButton(new KPushButton(KStdGuiItem::cancel(),m_progressDlg));
m_cancelled = false;
m_progressDlg->show();
if ( createHtml( url, m_part->url().path(), m_configDlg->recursionLevel() > 0 ? m_configDlg->recursionLevel() + 1 : 0 , m_configDlg->getImageFormat()) ) {
kapp->invokeBrowser(url.url()); // Open a browser to show the result
} else {
deleteCancelledGallery(url, m_part->url().path(), m_configDlg->recursionLevel() > 0 ? m_configDlg->recursionLevel() + 1 : 0, m_configDlg->getImageFormat());
}
}
} else {
kdDebug(90170) << "dialog is not ok" << endl;
}
delete m_progressDlg;
}
bool KImGalleryPlugin::createDirectory(TQDir thumb_dir, TQString imgGalleryDir, TQString dirName)
{
if (!thumb_dir.exists()) {
thumb_dir.setPath( imgGalleryDir);
if (!(thumb_dir.mkdir(dirName, false))) {
KMessageBox::sorry(m_part->widget(), i18n("Couldn't create folder: %1").tqarg(thumb_dir.path()));
return false;
} else {
thumb_dir.setPath( imgGalleryDir + "/" + dirName + "/" );
return true;
}
} else {
return true;
}
}
void KImGalleryPlugin::createHead(TQTextStream& stream)
{
const TQString chsetName = TQTextCodec::codecForLocale()->mimeName();
stream << "<?xml version=\"1.0\" encoding=\"" + chsetName + "\" ?>" << endl;
stream << "<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.1//EN\" \"http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd\">" << endl;
stream << "<html xmlns=\"http://www.w3.org/1999/xhtml\">" << endl;
stream << "<head>" << endl;
stream << "<title>" << TQStyleSheet::escape(m_configDlg->getTitle()) << "</title>" << endl;
stream << "<meta http-equiv=\"content-type\" content=\"text/html; charset=" << chsetName << "\"/>" << endl;
stream << "<meta name=\"GENERATOR\" content=\"KDE Konqueror KImgallery plugin version " TDE_VERSION_STRING "\"/>" << endl;
createCSSSection(stream);
stream << "</head>" << endl;
}
void KImGalleryPlugin::createCSSSection(TQTextStream& stream)
{
const TQString backgroundColor = m_configDlg->getBackgroundColor().name();
const TQString foregroundColor = m_configDlg->getForegroundColor().name();
//adding a touch of style
stream << "<style type='text/css'>\n";
stream << "BODY {color: " << foregroundColor << "; background: " << backgroundColor << ";" << endl;
stream << " font-family: " << m_configDlg->getFontName() << ", sans-serif;" << endl;
stream << " font-size: " << m_configDlg->getFontSize() << "pt; margin: 8%; }" << endl;
stream << "H1 {color: " << foregroundColor << ";}" << endl;
stream << "TABLE {text-align: center; margin-left: auto; margin-right: auto;}" << endl;
stream << "TD { color: " << foregroundColor << "; padding: 1em}" << endl;
stream << "IMG { border: 1px solid " << foregroundColor << "; }" << endl;
stream << "</style>" << endl;
}
TQString KImGalleryPlugin::extension(const TQString& imageFormat)
{
if (imageFormat == "PNG")
return ".png";
if (imageFormat == "JPEG")
return ".jpg";
Q_ASSERT(false);
return TQString();
}
void KImGalleryPlugin::createBody(TQTextStream& stream, const TQString& sourceDirName, const TQStringList& subDirList,
const TQDir& imageDir, const KURL& url, const TQString& imageFormat)
{
int numOfImages = imageDir.count();
const TQString imgGalleryDir = url.directory();
const TQString today(KGlobal::locale()->formatDate(TQDate::tqcurrentDate()));
stream << "<body>\n<h1>" << TQStyleSheet::escape(m_configDlg->getTitle()) << "</h1><p>" << endl;
stream << i18n("<i>Number of images</i>: %1").tqarg(numOfImages) << "<br/>" << endl;
stream << i18n("<i>Created on</i>: %1").tqarg(today) << "</p>" << endl;
stream << "<hr/>" << endl;
if (m_recurseSubDirectories && subDirList.count() > 2) { //subDirList.count() is always >= 2 because of the "." and ".." directories
stream << i18n("<i>Subfolders</i>:") << "<br>" << endl;
for (TQStringList::ConstIterator it = subDirList.begin(); it != subDirList.end(); it++) {
if (*it == "." || *it == "..")
continue; //disregard the "." and ".." directories
stream << "<a href=\"" << *it << "/" << url.fileName()
<< "\">" << *it << "</a><br>" << endl;
}
stream << "<hr/>" << endl;
}
stream << "<table>" << endl;
//table with images
int imgIndex;
TQFileInfo imginfo;
TQPixmap imgProp;
for (imgIndex = 0; !m_cancelled && (imgIndex < numOfImages);) {
stream << "<tr>" << endl;
for (int col=0; !m_cancelled && (col < m_imagesPerRow) && (imgIndex < numOfImages); col++) {
const TQString imgName = imageDir[imgIndex];
if (m_copyFiles) {
stream << "<td align='center'>\n<a href=\"images/" << imgName << "\">";
} else {
stream << "<td align='center'>\n<a href=\"" << imgName << "\">";
}
if (createThumb(imgName, sourceDirName, imgGalleryDir, imageFormat)) {
const TQString imgPath("thumbs/" + imgName + extension(imageFormat));
stream << "<img src=\"" << imgPath << "\" width=\"" << m_imgWidth << "\" ";
stream << "height=\"" << m_imgHeight << "\" alt=\"" << imgPath << "\"/>";
m_progressDlg->setLabelText( i18n("Created thumbnail for: \n%1").tqarg(imgName) );
} else {
kdDebug(90170) << "Creating thumbnail for " << imgName << " failed" << endl;
m_progressDlg->setLabelText( i18n("Creating thumbnail for: \n%1\n failed").tqarg(imgName) );
}
stream << "</a>" << endl;
if (m_configDlg->printImageName()) {
stream << "<div>" << imgName << "</div>" << endl;
}
if (m_configDlg->printImageProperty()) {
imgProp.load( imageDir.absFilePath(imgName,true) );
stream << "<div>" << imgProp.width() << " x " << imgProp.height() << "</div>" << endl;
}
if (m_configDlg->printImageSize()) {
imginfo.setFile( imageDir, imgName );
stream << "<div>(" << (imginfo.size() / 1024) << " " << i18n("KB") << ")" << "</div>" << endl;
}
if (m_useCommentFile) {
TQString imgComment = (*m_commentMap)[imgName];
stream << "<div>" << TQStyleSheet::escape(imgComment) << "</div>" << endl;
}
stream << "</td>" << endl;
m_progressDlg->setTotalSteps( numOfImages );
m_progressDlg->setProgress( imgIndex );
kapp->processEvents();
imgIndex++;
}
stream << "</tr>" << endl;
}
//close the HTML
stream << "</table>\n</body>\n</html>" << endl;
}
bool KImGalleryPlugin::createHtml(const KURL& url, const TQString& sourceDirName, int recursionLevel, const TQString& imageFormat)
{
if(m_cancelled) return false;
if( !parent() || !parent()->inherits("KonqDirPart"))
return false;
KonqDirPart * part = static_cast<KonqDirPart *>(parent());
TQStringList subDirList;
if (m_recurseSubDirectories && (recursionLevel >= 0)) { //recursionLevel == 0 means endless
TQDir toplevel_dir = TQDir( sourceDirName );
toplevel_dir.setFilter( TQDir::Dirs | TQDir::Readable | TQDir::Writable );
subDirList = toplevel_dir.entryList();
for (TQStringList::ConstIterator it = subDirList.begin(); it != subDirList.end() && !m_cancelled; it++) {
const TQString currentDir = *it;
if (currentDir == "." || currentDir == "..") { continue;} //disregard the "." and ".." directories
TQDir subDir = TQDir( url.directory() + "/" + currentDir );
if (!subDir.exists()) {
subDir.setPath( url.directory() );
if (!(subDir.mkdir(currentDir, false))) {
KMessageBox::sorry(part->widget(), i18n("Couldn't create folder: %1").tqarg(subDir.path()));
continue;
} else {
subDir.setPath( url.directory() + "/" + currentDir );
}
}
if(!createHtml( KURL( subDir.path() + "/" + url.fileName() ), sourceDirName + "/" + currentDir,
recursionLevel > 1 ? recursionLevel - 1 : 0, imageFormat)) { return false; }
}
}
if (m_useCommentFile) {
loadCommentFile();
}
kdDebug(90170) << "sourceDirName: " << sourceDirName << endl;
//We're interested in only the patterns, so look for the first |
//#### perhaps an accessor should be added to KImageIO instead?
TQString filter = KImageIO::pattern(KImageIO::Reading).section('|', 0, 0);
TQDir imageDir( sourceDirName, filter.latin1(),
TQDir::Name|TQDir::IgnoreCase, TQDir::Files|TQDir::Readable);
const TQString imgGalleryDir = url.directory();
kdDebug(90170) << "imgGalleryDir: " << imgGalleryDir << endl;
// Create the "thumbs" subdirectory if necessary
TQDir thumb_dir( imgGalleryDir + TQString::tqfromLatin1("/thumbs/"));
if (createDirectory(thumb_dir, imgGalleryDir, "thumbs") == false)
return false;
// Create the "images" subdirectory if necessary
TQDir images_dir( imgGalleryDir + TQString::tqfromLatin1("/images/"));
if (m_copyFiles) {
if (createDirectory(images_dir, imgGalleryDir, "images") == false)
return false;
}
TQFile file( url.path() );
kdDebug(90170) << "url.path(): " << url.path() << ", thumb_dir: "<< thumb_dir.path()
<< ", imageDir: "<< imageDir.path() << endl;
if ( imageDir.exists() && file.open(IO_WriteOnly) ) {
TQTextStream stream(&file);
stream.setEncoding(TQTextStream::Locale);
createHead(stream);
createBody(stream, sourceDirName, subDirList, imageDir, url, imageFormat); //ugly
file.close();
return !m_cancelled;
} else {
KMessageBox::sorry(m_part->widget(),i18n("Couldn't open file: %1").tqarg(url.path(+1)));
return false;
}
}
void KImGalleryPlugin::deleteCancelledGallery(const KURL& url, const TQString& sourceDirName, int recursionLevel, const TQString& imageFormat)
{
if (m_recurseSubDirectories && (recursionLevel >= 0)) {
TQStringList subDirList;
TQDir toplevel_dir = TQDir( sourceDirName );
toplevel_dir.setFilter( TQDir::Dirs );
subDirList = toplevel_dir.entryList();
for (TQStringList::ConstIterator it = subDirList.begin(); it != subDirList.end(); it++) {
if (*it == "." || *it == ".." || *it == "thumbs" || (m_copyFiles && *it == "images")) {
continue; //disregard the "." and ".." directories
}
deleteCancelledGallery( KURL( url.directory() + "/" + *it + "/" + url.fileName() ),
sourceDirName + "/" + *it,
recursionLevel > 1 ? recursionLevel - 1 : 0, imageFormat);
}
}
const TQString imgGalleryDir = url.directory();
TQDir thumb_dir( imgGalleryDir + TQString::tqfromLatin1("/thumbs/"));
TQDir images_dir( imgGalleryDir + TQString::tqfromLatin1("/images/"));
TQDir imageDir( sourceDirName, "*.png *.PNG *.gif *.GIF *.jpg *.JPG *.jpeg *.JPEG *.bmp *.BMP",
TQDir::Name|TQDir::IgnoreCase, TQDir::Files|TQDir::Readable);
TQFile file( url.path() );
// Remove the image file ..
file.remove();
// ..all the thumbnails ..
for (uint i=0; i < imageDir.count(); i++) {
const TQString imgName = imageDir[i];
const TQString imgNameFormat = imgName + extension(imageFormat);
bool isRemoved = thumb_dir.remove(imgNameFormat);
kdDebug(90170) << "removing: " << thumb_dir.path() << "/" << imgNameFormat << "; "<< isRemoved << endl;
}
// ..and the thumb directory
thumb_dir.rmdir(thumb_dir.path());
// ..and the images directory if images were to be copied
if (m_copyFiles) {
for (uint i=0; i < imageDir.count(); i++) {
const TQString imgName = imageDir[i];
bool isRemoved = images_dir.remove(imgName);
kdDebug(90170) << "removing: " << images_dir.path() << "/" << imgName << "; "<< isRemoved << endl;
}
images_dir.rmdir(images_dir.path());
}
}
void KImGalleryPlugin::loadCommentFile()
{
TQFile file(m_configDlg->getCommentFile());
if (file.open(IO_ReadOnly)) {
kdDebug(90170) << "File opened."<< endl;
TQTextStream* m_textStream = new TQTextStream(&file);
m_textStream->setEncoding(TQTextStream::Locale);
delete m_commentMap;
m_commentMap = new CommentMap;
TQString picName, picComment, curLine, curLineStripped;
while (!m_textStream->eof()) {
curLine = m_textStream->readLine();
curLineStripped = curLine.stripWhiteSpace();
// Lines starting with '#' are comment
if (!(curLineStripped.isEmpty()) && !curLineStripped.startsWith("#")) {
if (curLineStripped.endsWith(":")) {
picComment = TQString();
picName = curLineStripped.left(curLineStripped.length()-1);
kdDebug(90170) << "picName: " << picName << endl;
} else {
do {
//kdDebug(90170) << "picComment" << endl;
picComment += curLine + "\n";
curLine = m_textStream->readLine();
} while (!m_textStream->eof() && !(curLine.stripWhiteSpace().isEmpty()) &&
!curLine.stripWhiteSpace().startsWith("#"));
//kdDebug(90170) << "Pic comment: " << picComment << endl;
m_commentMap->insert(picName, picComment);
}
}
}
CommentMap::Iterator it;
for( it = m_commentMap->begin(); it != m_commentMap->end(); ++it ) {
kdDebug(90170) << "picName: " << it.key() << ", picComment: " << it.data() << endl;
}
file.close();
kdDebug(90170) << "File closed." << endl;
delete m_textStream;
} else {
KMessageBox::sorry(m_part->widget(), i18n("Couldn't open file: %1").tqarg(m_configDlg->getCommentFile()));
m_useCommentFile = false;
}
}
bool KImGalleryPlugin::createThumb( const TQString& imgName, const TQString& sourceDirName,
const TQString& imgGalleryDir, const TQString& imageFormat)
{
TQImage img;
const TQString pixPath = sourceDirName + TQString::tqfromLatin1("/") + imgName;
if (m_copyFiles) {
KURL srcURL = KURL::fromPathOrURL(pixPath);
//kdDebug(90170) << "srcURL: " << srcURL << endl;
KURL destURL = KURL::fromPathOrURL(imgGalleryDir + TQString::tqfromLatin1("/images/") + imgName);
//kdDebug(90170) << "destURL: " << destURL << endl;
KIO::NetAccess::copy(srcURL, destURL, static_cast<KParts::Part *>(parent())->widget());
}
const TQString imgNameFormat = imgName + extension(imageFormat);
const TQString thumbDir = imgGalleryDir + TQString::tqfromLatin1("/thumbs/");
int extent = m_configDlg->getThumbnailSize();
// this code is stolen from tdebase/kioslave/thumbnail/imagecreator.cpp
// (c) 2000 gis and malte
m_imgWidth = 120; // Setting the size of the images is
m_imgHeight = 90; // required to generate faster 'loading' pages
if ( img.load( pixPath ) )
{
int w = img.width(), h = img.height();
// scale to pixie size
// kdDebug(90170) << "w: " << w << " h: " << h << endl;
// Resizing if to big
if(w > extent || h > extent)
{
if(w > h)
{
h = (int)( (double)( h * extent ) / w );
if ( h == 0 ) h = 1;
w = extent;
Q_ASSERT( h <= extent );
}
else
{
w = (int)( (double)( w * extent ) / h );
if ( w == 0 ) w = 1;
h = extent;
Q_ASSERT( w <= extent );
}
const TQImage scaleImg(img.smoothScale( w, h ));
if ( scaleImg.width() != w || scaleImg.height() != h )
{
kdDebug(90170) << "Resizing failed. Aborting." << endl;
return false;
}
img = scaleImg;
if (m_configDlg->colorDepthSet() == true )
{
const TQImage depthImg(img.convertDepth(m_configDlg->getColorDepth()));
img = depthImg;
}
}
kdDebug(90170) << "Saving thumbnail to: " << thumbDir + imgNameFormat << endl;
if (!img.save(thumbDir + imgNameFormat, imageFormat.latin1()))
{
kdDebug(90170) << "Saving failed. Aborting." << endl;
return false;
}
m_imgWidth = w;
m_imgHeight = h;
return true;
}
return false;
}
void KImGalleryPlugin::slotCancelled()
{
m_cancelled = true;
}
#include "imgalleryplugin.moc"