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Diffstat (limited to 'src/libs/widgets/metadata/metadatawidget.cpp')
| -rw-r--r-- | src/libs/widgets/metadata/metadatawidget.cpp | 454 |
1 files changed, 454 insertions, 0 deletions
diff --git a/src/libs/widgets/metadata/metadatawidget.cpp b/src/libs/widgets/metadata/metadatawidget.cpp new file mode 100644 index 00000000..d0bd5b19 --- /dev/null +++ b/src/libs/widgets/metadata/metadatawidget.cpp @@ -0,0 +1,454 @@ +/* ============================================================ + * + * This file is a part of digiKam project + * http://www.digikam.org + * + * Date : 2006-02-22 + * Description : a generic widget to display metadata + * + * Copyright (C) 2006-2008 by Gilles Caulier <caulier dot gilles at gmail dot com> + * + * This program is free software; you can redistribute it + * and/or modify it under the terms of the GNU General + * Public License as published by the Free Software Foundation; + * either version 2, or (at your option) + * any later version. + * + * This program 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 General Public License for more details. + * + * ============================================================ */ + +// TQt includes. + +#include <tqlayout.h> +#include <tqmap.h> +#include <tqfile.h> +#include <tqmime.h> +#include <tqheader.h> +#include <tqwhatsthis.h> +#include <tqpainter.h> +#include <tqhbuttongroup.h> +#include <tqpushbutton.h> +#include <tqlabel.h> +#include <tqdragobject.h> +#include <tqclipboard.h> +#include <tqsimplerichtext.h> +#include <tqpaintdevicemetrics.h> +#include <tqstylesheet.h> +#include <tqlistview.h> +#include <tqtooltip.h> + +// KDE includes. + +#include <kdialogbase.h> +#include <tdelocale.h> +#include <tdefiledialog.h> +#include <tdeglobalsettings.h> +#include <kprinter.h> +#include <tdeglobal.h> +#include <kiconloader.h> +#include <tdeapplication.h> + +// Local includes. + +#include "ddebug.h" +#include "metadatalistview.h" +#include "mdkeylistviewitem.h" +#include "searchtextbar.h" +#include "metadatawidget.h" +#include "metadatawidget.moc" + +namespace Digikam +{ + +class MetadataWidgetPriv +{ + +public: + + MetadataWidgetPriv() + { + toolButtons = 0; + levelButtons = 0; + view = 0; + mainLayout = 0; + searchBar = 0; + } + + TQGridLayout *mainLayout; + + TQHButtonGroup *toolButtons; + TQHButtonGroup *levelButtons; + + TQByteArray metadata; + + TQString fileName; + + MetadataListView *view; + + SearchTextBar *searchBar; + + DMetadata::MetaDataMap metaDataMap; +}; + +MetadataWidget::MetadataWidget(TQWidget* parent, const char* name) + : TQWidget(parent, name) +{ + d = new MetadataWidgetPriv; + + d->mainLayout = new TQGridLayout(this, 3, 4, KDialog::spacingHint(), KDialog::spacingHint()); + TDEIconLoader *iconLoader = TDEApplication::kApplication()->iconLoader(); + + d->levelButtons = new TQHButtonGroup(this); + d->levelButtons->setInsideMargin( 0 ); + d->levelButtons->setExclusive(true); + d->levelButtons->setFrameShape(TQFrame::NoFrame); + + TQPushButton *simpleLevel = new TQPushButton( d->levelButtons ); + simpleLevel->setPixmap( iconLoader->loadIcon( "text-vnd.tde.ascii", (TDEIcon::Group)TDEIcon::Toolbar ) ); + simpleLevel->setToggleButton(true); + TQWhatsThis::add( simpleLevel, i18n( "Switch the tags view to a simple human-readable list" ) ); + TQToolTip::add( simpleLevel, i18n( "Simple list" )); + d->levelButtons->insert(simpleLevel, SIMPLE); + + TQPushButton *fullLevel = new TQPushButton( d->levelButtons ); + fullLevel->setPixmap( iconLoader->loadIcon( "text-x-generic", (TDEIcon::Group)TDEIcon::Toolbar ) ); + fullLevel->setToggleButton(true); + TQWhatsThis::add( fullLevel, i18n( "Switch the tags view to a full list" ) ); + TQToolTip::add( fullLevel, i18n( "Full list" )); + d->levelButtons->insert(fullLevel, FULL); + + d->toolButtons = new TQHButtonGroup(this); + d->toolButtons->setInsideMargin( 0 ); + d->toolButtons->setFrameShape(TQFrame::NoFrame); + + TQPushButton *saveMetadata = new TQPushButton( d->toolButtons ); + saveMetadata->setPixmap( iconLoader->loadIcon( "document-save", (TDEIcon::Group)TDEIcon::Toolbar ) ); + TQWhatsThis::add( saveMetadata, i18n( "Save metadata to a binary file" ) ); + TQToolTip::add( saveMetadata, i18n( "Save metadata" )); + d->toolButtons->insert(saveMetadata); + + TQPushButton *printMetadata = new TQPushButton( d->toolButtons ); + printMetadata->setPixmap( iconLoader->loadIcon( "document-print", (TDEIcon::Group)TDEIcon::Toolbar ) ); + TQWhatsThis::add( printMetadata, i18n( "Print metadata to printer" ) ); + TQToolTip::add( printMetadata, i18n( "Print metadata" )); + d->toolButtons->insert(printMetadata); + + TQPushButton *copy2ClipBoard = new TQPushButton( d->toolButtons ); + copy2ClipBoard->setPixmap( iconLoader->loadIcon( "edit-copy", (TDEIcon::Group)TDEIcon::Toolbar ) ); + TQWhatsThis::add( copy2ClipBoard, i18n( "Copy metadata to clipboard" ) ); + TQToolTip::add( copy2ClipBoard, i18n( "Copy metadata to clipboard" )); + d->toolButtons->insert(copy2ClipBoard); + + d->view = new MetadataListView(this); + TQString barName = TQString(name) + "SearchBar"; + d->searchBar = new SearchTextBar(this, barName.ascii()); + + // ----------------------------------------------------------------- + + d->mainLayout->addMultiCellWidget(d->levelButtons, 0, 0, 0, 1); + d->mainLayout->addMultiCellWidget(d->toolButtons, 0, 0, 4, 4); + d->mainLayout->addMultiCellWidget(d->view, 1, 1, 0, 4); + d->mainLayout->addMultiCellWidget(d->searchBar, 2, 2, 0, 4); + d->mainLayout->setRowStretch(1, 10); + d->mainLayout->setColStretch(3, 10); + + // ----------------------------------------------------------------- + + connect(d->levelButtons, TQ_SIGNAL(released(int)), + this, TQ_SLOT(slotModeChanged(int))); + + connect(copy2ClipBoard, TQ_SIGNAL(clicked()), + this, TQ_SLOT(slotCopy2Clipboard())); + + connect(printMetadata, TQ_SIGNAL(clicked()), + this, TQ_SLOT(slotPrintMetadata())); + + connect(saveMetadata, TQ_SIGNAL(clicked()), + this, TQ_SLOT(slotSaveMetadataToFile())); + + connect(d->searchBar, TQ_SIGNAL(signalTextChanged(const TQString&)), + d->view, TQ_SLOT(slotSearchTextChanged(const TQString&))); + + connect(d->view, TQ_SIGNAL(signalTextFilterMatch(bool)), + d->searchBar, TQ_SLOT(slotSearchResult(bool))); +} + +MetadataWidget::~MetadataWidget() +{ + delete d; +} + +MetadataListView* MetadataWidget::view() +{ + return d->view; +} + +void MetadataWidget::enabledToolButtons(bool b) +{ + d->toolButtons->setEnabled(b); +} + +bool MetadataWidget::setMetadata(const TQByteArray& data) +{ + d->metadata = data; + + // Cleanup all metadata contents. + setMetadataMap(); + + if (d->metadata.isEmpty()) + { + setMetadataEmpty(); + return false; + } + + // Try to decode current metadata. + if (decodeMetadata()) + enabledToolButtons(true); + else + enabledToolButtons(false); + + // Refresh view using decoded metadata. + buildView(); + + return true; +} + +void MetadataWidget::setMetadataEmpty() +{ + d->view->clear(); + enabledToolButtons(false); +} + +const TQByteArray& MetadataWidget::getMetadata() +{ + return d->metadata; +} + +bool MetadataWidget::storeMetadataToFile(const KURL& url) +{ + if( url.isEmpty() ) + return false; + + TQFile file(url.path()); + if ( !file.open(IO_WriteOnly) ) + return false; + + TQDataStream stream( &file ); + stream.writeRawBytes(d->metadata.data(), d->metadata.size()); + file.close(); + return true; +} + +void MetadataWidget::setMetadataMap(const DMetadata::MetaDataMap& data) +{ + d->metaDataMap = data; +} + +const DMetadata::MetaDataMap& MetadataWidget::getMetadataMap() +{ + return d->metaDataMap; +} + +void MetadataWidget::setIfdList(const DMetadata::MetaDataMap &ifds, const TQStringList& tagsFilter) +{ + d->view->setIfdList(ifds, tagsFilter); +} + +void MetadataWidget::setIfdList(const DMetadata::MetaDataMap &ifds, const TQStringList& keysFilter, + const TQStringList& tagsFilter) +{ + d->view->setIfdList(ifds, keysFilter, tagsFilter); +} + +void MetadataWidget::slotModeChanged(int) +{ + buildView(); +} + +void MetadataWidget::slotCopy2Clipboard() +{ + TQString textmetadata = i18n("File name: %1 (%2)").arg(d->fileName).arg(getMetadataTitle()); + TQListViewItemIterator it( d->view ); + + while ( it.current() ) + { + if ( !it.current()->isSelectable() ) + { + MdKeyListViewItem *item = dynamic_cast<MdKeyListViewItem *>(it.current()); + textmetadata.append("\n\n>>> "); + textmetadata.append(item->getMdKey()); + textmetadata.append(" <<<\n\n"); + } + else + { + TQListViewItem *item = it.current(); + textmetadata.append(item->text(0)); + textmetadata.append(" : "); + textmetadata.append(item->text(1)); + textmetadata.append("\n"); + } + + ++it; + } + + TQApplication::clipboard()->setData(new TQTextDrag(textmetadata), TQClipboard::Clipboard); +} + +void MetadataWidget::slotPrintMetadata() +{ + TQString textmetadata = i18n("<p><big><big><b>File name: %1 (%2)</b></big></big>") + .arg(d->fileName) + .arg(getMetadataTitle()); + TQListViewItemIterator it( d->view ); + + while ( it.current() ) + { + if ( !it.current()->isSelectable() ) + { + MdKeyListViewItem *item = dynamic_cast<MdKeyListViewItem *>(it.current()); + textmetadata.append("<br><br><b>"); + textmetadata.append(item->getMdKey()); + textmetadata.append("</b><br><br>"); + } + else + { + TQListViewItem *item = it.current(); + textmetadata.append(item->text(0)); + textmetadata.append(" : <i>"); + textmetadata.append(item->text(1)); + textmetadata.append("</i><br>"); + } + + ++it; + } + + textmetadata.append("</p>"); + + KPrinter printer; + printer.setFullPage( true ); + + if ( printer.setup( this ) ) + { + TQPainter p( &printer ); + + if ( !p.device() ) + return; + + TQPaintDeviceMetrics metrics(p.device()); + int dpiy = metrics.logicalDpiY(); + int margin = (int) ( (2/2.54)*dpiy ); // 2 cm margins + TQRect view( margin, margin, metrics.width() - 2*margin, metrics.height() - 2*margin ); + TQFont font(TDEApplication::font()); + font.setPointSize( 10 ); // we define 10pt to be a nice base size for printing + TQSimpleRichText richText( textmetadata, font, + TQString(), + TQStyleSheet::defaultSheet(), + TQMimeSourceFactory::defaultFactory(), + view.height() ); + richText.setWidth( &p, view.width() ); + int page = 1; + + do + { + richText.draw( &p, margin, margin, view, colorGroup() ); + view.moveBy( 0, view.height() ); + p.translate( 0 , -view.height() ); + p.setFont( font ); + p.drawText( view.right() - p.fontMetrics().width( TQString::number( page ) ), + view.bottom() + p.fontMetrics().ascent() + 5, TQString::number( page ) ); + + if ( view.top() - margin >= richText.height() ) + break; + + printer.newPage(); + page++; + } + while (true); + } +} + +KURL MetadataWidget::saveMetadataToFile(const TQString& caption, const TQString& fileFilter) +{ + KFileDialog fileSaveDialog(TDEGlobalSettings::documentPath(), + TQString(), + this, + "MetadataFileSaveDialog", + false); + + fileSaveDialog.setOperationMode(KFileDialog::Saving); + fileSaveDialog.setMode(KFile::File); + fileSaveDialog.setSelection(d->fileName); + fileSaveDialog.setCaption(caption); + fileSaveDialog.setFilter(fileFilter); + + // Check for cancel. + if ( fileSaveDialog.exec() == KFileDialog::Accepted ) + return fileSaveDialog.selectedURL().path(); + + return KURL(); +} + +void MetadataWidget::setMode(int mode) +{ + if (d->levelButtons->selectedId() == mode) + return; + + d->levelButtons->setButton(mode); + buildView(); +} + +int MetadataWidget::getMode() +{ + int level = d->levelButtons->selectedId(); + return level; +} + +TQString MetadataWidget::getCurrentItemKey() const +{ + return d->view->getCurrentItemKey(); +} + +void MetadataWidget::setCurrentItemByKey(const TQString& itemKey) +{ + d->view->setCurrentItemByKey(itemKey); +} + +bool MetadataWidget::loadFromData(const TQString& fileName, const TQByteArray& data) +{ + setFileName(fileName); + return(setMetadata(data)); +} + +TQString MetadataWidget::getTagTitle(const TQString&) +{ + return TQString(); +} + +TQString MetadataWidget::getTagDescription(const TQString&) +{ + return TQString(); +} + +void MetadataWidget::setFileName(const TQString& fileName) +{ + d->fileName = fileName; +} + +void MetadataWidget::setUserAreaWidget(TQWidget *w) +{ + TQVBoxLayout *vLayout = new TQVBoxLayout( KDialog::spacingHint() ); + vLayout->addWidget(w); + vLayout->addStretch(); + d->mainLayout->addMultiCellLayout(vLayout, 3, 3, 0, 4); +} + +void MetadataWidget::buildView() +{ + d->view->slotSearchTextChanged(d->searchBar->text()); +} + +} // namespace Digikam |