Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 292 insertions, 0 deletions

diff --git a/kview/photobook/photobook.cpp b/kview/photobook/photobook.cpp
new file mode 100644
index 00000000..082bfd49
--- /dev/null
+++ b/kview/photobook/photobook.cpp
@@ -0,0 +1,292 @@
+/*
+Copyright (c) 2004,2005 Charles Samuels <charles@kde.org>
+
+  This file is hereby licensed under the GNU General Public License version
+  2 or later at your option.
+
+  This file is licensed under the Qt Public License version 1 with the
+  condition that the licensed will be governed under the Laws of California
+  (USA) instead of Norway.  Disputes will be settled in Santa Clara county
+  courts.
+
+  This file is licensed under the following additional license.  Be aware
+  that it is identical to the BSD license, except for the added clause 3:
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+
+ 1. Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+ 2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+ 3. By integrating this software into any other software codebase, you waive
+    all rights to any patents associated with the stated codebase.
+
+ THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#include "photobook.h"
+
+#include <kparts/componentfactory.h>
+#include <kaction.h>
+#include <kstdaccel.h>
+#include <kstandarddirs.h>
+
+Previews::Previews(PhotoBook *parent, const QStringList &mimetypes)
+	: KFileIconView(parent, 0)
+{
+	mPhotoBook = parent;
+	mMimeTypes = mimetypes;
+
+	connect(&mDirLister, SIGNAL(clear()), SLOT(slotClearView()));
+	connect(&mDirLister, SIGNAL(completed()), SLOT(doneListing()));
+	connect(
+			&mDirLister, SIGNAL(newItems(const KFileItemList &)),
+			SLOT(insertNewFiles(const KFileItemList &))
+		);
+	connect(
+			signaler(), SIGNAL(fileSelected(const KFileItem*)),
+			SLOT(open(const KFileItem*))
+		);
+	connect(
+			&mDirLister, SIGNAL(deleteItem(KFileItem *)),
+			SLOT(removeItem(KFileItem *))
+		);
+	
+	connect(
+			&mDirLister, SIGNAL( refreshItems( const KFileItemList& ) ),
+			SLOT( slotRefreshItems( const KFileItemList& ) )
+		);
+	
+	setFixedWidth(128);
+}
+
+Previews::~Previews()
+{
+
+}
+
+
+void Previews::slotRefreshItems( const KFileItemList& items )
+{
+	KFileItemListIterator it( items );
+	for ( ; it.current(); ++it )
+		updateView( it.current() );
+}
+
+void Previews::slotClearView()
+{
+	clearView();
+}
+
+
+void Previews::insertNewFiles(const KFileItemList &items)
+{
+	addItemList(items);
+}
+
+void Previews::removeItem(KFileItem *item)
+{
+	KFileIconView::removeItem(item);
+}
+
+
+void Previews::go(const KFileItem *k)
+{
+	setSelected(k, true);
+	setCurrentItem(k);
+	ensureItemVisible(k);
+	open(k);
+	updateButton();
+}
+
+void Previews::updateButton()
+{
+	mPhotoBook->updateButton( ( nextItem(currentFileItem())!=0L ), ( prevItem(currentFileItem())!=0L ));
+}
+
+void Previews::openURL(const KURL &url)
+{
+	mDirLister.setMimeFilter(mMimeTypes);
+	mDirLister.openURL(url);
+}
+
+void Previews::open(const KFileItem *item)
+{
+	if (!item->isDir())
+	{
+		const KURL &u = item->url();
+		emit open(u);
+		updateButton();
+	}
+}
+
+void Previews::doneListing()
+{
+	// eep! -- this should not be necessary
+	QTimer::singleShot(0, this, SLOT(goToFirst()));
+}
+
+void Previews::goToFirst()
+{
+	if (firstFileItem())
+		go(firstFileItem());
+	else
+		updateButton();
+}
+
+
+
+PhotoBook::PhotoBook(QWidget *parent, PhotoBookPart *part, const char *name)
+	: QSplitter(parent, name)
+{
+	
+	QStringList mimetypes;
+	
+	KTrader::OfferList offers = KTrader::self()->query(
+			"KImageViewer/Viewer", "KParts/ReadOnlyPart",
+			"DesktopEntryName == 'kviewviewer'", QString::null
+		);
+
+	for (
+			KTrader::OfferList::Iterator i(offers.begin());
+			i != offers.end(); ++i
+		)
+	{
+		KService::Ptr service = *i;
+		mViewer = KParts::ComponentFactory::
+			createPartInstanceFromService<KParts::ReadOnlyPart>( service, this, 0, this );
+		
+		// is this the correct way to get the supported mimetypes?
+		if (mViewer)
+		{
+			KSimpleConfig e(locate("services", service->desktopEntryPath()));
+			e.setGroup("Desktop Entry");
+			mimetypes = QStringList::split(';', e.readEntry("MimeType"));
+			break;
+		}
+	}
+		
+	
+	mList = new Previews(this, mimetypes);
+
+	mFit = mViewer->action("fittowin");
+
+	connect(mList, SIGNAL(open(const KURL&)), mViewer, SLOT(openURL(const KURL&)));
+	connect(mViewer, SIGNAL(completed()), mFit, SLOT(activate()));
+
+	part->insertChildClient(mViewer);
+}
+
+void PhotoBook::openURL(const KURL &url)
+{
+	mList->openURL(url);
+	mList->setIgnoreMaximumSize();
+	mList->showPreviews();
+}
+
+void PhotoBook::next()
+{
+	KFileItem *k = mList->nextItem(mList->currentFileItem());
+	if (k)
+		mList->go(k);
+}
+
+void PhotoBook::previous()
+{
+	KFileItem *k = mList->prevItem(mList->currentFileItem());
+	if (k)
+		mList->go(k);
+}
+
+
+void PhotoBook::updateButton( bool nextExist, bool previousExit)
+{
+	emit emitUpdateButton( nextExist, previousExit );
+}
+
+K_EXPORT_COMPONENT_FACTORY(libphotobook, PhotoBookFactory )
+
+PhotoBookPart::PhotoBookPart(
+		QWidget *parentWidget, const char *widgetName,
+		QObject *parent, const char *name,
+		const QStringList&
+	)
+	: KParts::ReadOnlyPart(parent, name)
+{
+	setInstance(PhotoBookFactory::instance());
+
+	new PhotoBookBrowserExtension(this);
+	bv = new PhotoBook(parentWidget, this, widgetName);
+	setWidget(bv);
+
+	connect(
+			bv, SIGNAL(emitUpdateButton(bool, bool)),
+			this, SLOT(slotUpdateButton(bool, bool))
+		);
+	m_pNextAction = KStdAction::next(bv, SLOT(next()), actionCollection(), "next");
+	m_pPreviousAction = KStdAction::prior(bv, SLOT(previous()), actionCollection(), "previous");
+
+	setXMLFile( "photobookui.rc" );
+
+}
+
+PhotoBookPart::~PhotoBookPart()
+{
+
+}
+
+
+void PhotoBookPart::slotUpdateButton( bool nextExit, bool previousExit)
+{
+	m_pPreviousAction->setEnabled( previousExit );
+	m_pNextAction->setEnabled( nextExit );
+}
+
+bool PhotoBookPart::openURL(const KURL &url)
+{
+	bv->openURL(url);
+	return true;
+}
+
+
+KAboutData* PhotoBookPart::createAboutData()
+{
+	return new KAboutData(
+			"photobook", I18N_NOOP("Photo Book"),
+			"1.0", I18N_NOOP("Easily browse a folder of photographs"),
+			KAboutData::License_GPL,
+			I18N_NOOP("Copyright (c) 2004,2005 Charles Samuels <charles@kde.org>")
+		);
+}
+
+bool PhotoBookPart::openFile()
+{
+	return true;
+}
+
+
+
+PhotoBookBrowserExtension::PhotoBookBrowserExtension(PhotoBookPart *p)
+	: KParts::BrowserExtension(p, "PhotoBookBrowserExtension")
+{
+
+}
+
+
+
+
+#include "photobook.moc"
+