documentpropertieswidget.cpp Example File

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 ** This file is part of the examples of the Qt Mobility Components.
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 #include "documentpropertieswidget.h"

 #include "metadatabinding.h"

 #include <qdocumentgallery.h>
 #include <qgalleryitemrequest.h>
 #include <qgalleryqueryrequest.h>
 #include <qgalleryresultset.h>

 #include <QtGui>
 #include <qaction.h>

 DocumentPropertiesWidget::DocumentPropertiesWidget(
         const QFileInfo &file, QDocumentGallery *gallery, QWidget *parent, Qt::WindowFlags flags)
     : QDialog(parent, flags)
     , documentGallery(gallery)
     , queryRequest(0)
     , itemRequest(0)
 {
     // draw softkeys on symbian to be able to close dialog
     QAction* doneAction = new QAction(tr("Done"), this);
     doneAction->setSoftKeyRole(QAction::PositiveSoftKey);
     connect(doneAction, SIGNAL(triggered()), parent, SLOT(close()));
     addAction(doneAction);

     QFormLayout *layout = new QFormLayout;
     setLayout(layout);

     queryRequest = new QGalleryQueryRequest(documentGallery, this);
     queryRequest->setRootType(QDocumentGallery::File);
     queryRequest->setFilter(QDocumentGallery::filePath == file.absoluteFilePath());
     queryRequest->setPropertyNames(QStringList()
             << QDocumentGallery::fileName
             << QDocumentGallery::mimeType
             << QDocumentGallery::path
             << QDocumentGallery::fileSize
             << QDocumentGallery::lastModified
             << QDocumentGallery::lastAccessed);
     queryRequest->execute();

     resultSet = queryRequest->resultSet();
     if (resultSet) {
         addTextPropertyRow("File Name", QDocumentGallery::fileName);
         addTextPropertyRow("Type", QDocumentGallery::mimeType);
         addTextPropertyRow("Path", QDocumentGallery::path);
         addTextPropertyRow("Size", QDocumentGallery::fileSize);

         addTimePropertyRow("Modified", QDocumentGallery::lastModified);
         addTimePropertyRow("Accessed", QDocumentGallery::lastAccessed);

         if (queryRequest->state() == QGalleryAbstractRequest::Active)
             connect(queryRequest, SIGNAL(finished()), this, SLOT(queryRequestFinished()));
         else if (queryRequest->state() == QGalleryAbstractRequest::Finished)
             queryRequestFinished();
     }
 }

 void DocumentPropertiesWidget::addTextPropertyRow(const char *rowTitle,
     const QString &propertyName)
 {
     QLineEdit *propertyValue = new QLineEdit;
     propertyValue->setReadOnly(true);
     addRowWithTitleAndValue(rowTitle, propertyValue);
     new MetaDataBinding(propertyValue, "text", resultSet, propertyName, this);
 }

 void DocumentPropertiesWidget::addRowWithTitleAndValue(
     const char *rowTitle, QWidget *propertyValue)
 {
     QLineEdit *title = new QLineEdit(tr(rowTitle));
     title->setReadOnly(true);

     QFormLayout *layout = static_cast<QFormLayout *> (this->layout());
     layout->addRow(title, propertyValue);
 }

 void DocumentPropertiesWidget::addTimePropertyRow(
     const char *rowTitle, const QString &propertyName)
 {
     QDateTimeEdit *propertyValue = new QDateTimeEdit;
     propertyValue->setReadOnly(true);
     addRowWithTitleAndValue(rowTitle, propertyValue);
     new MetaDataBinding(propertyValue, "dateTime", resultSet, propertyName, this);
 }

 void DocumentPropertiesWidget::queryRequestFinished()
 {
     if (queryRequest->seek(0)) {
         if (queryRequest->itemType() == QDocumentGallery::Audio)
             requestAudioProperties();
         else if (queryRequest->itemType() == QDocumentGallery::Video)
            requestVideoProperties();
         else if (queryRequest->itemType() == QDocumentGallery::Image)
             requestImageProperties();
         else if (queryRequest->itemType() == QDocumentGallery::Document)
             requestDocumentProperties();
     }
 }

 void DocumentPropertiesWidget::requestAudioProperties()
 {
     makeItemRequestForProperties(QStringList()
             << QDocumentGallery::title
             << QDocumentGallery::artist
             << QDocumentGallery::albumTitle
             << QDocumentGallery::albumArtist
             << QDocumentGallery::genre
             << QDocumentGallery::duration);

     resultSet = itemRequest->resultSet();
     if (resultSet) {
         addTextPropertyRow("Title", QDocumentGallery::title);
         addTextPropertyRow("Artist", QDocumentGallery::artist);
         addTextPropertyRow("Album", QDocumentGallery::albumTitle);
         addTextPropertyRow("Album Artist", QDocumentGallery::albumArtist);
         addTextPropertyRow("Genre", QDocumentGallery::genre);
         addTextPropertyRow("Duration", QDocumentGallery::duration);
     }
 }

 void DocumentPropertiesWidget::makeItemRequestForProperties(const QStringList &propertyNames)
 {
     itemRequest = new QGalleryItemRequest(documentGallery, this);
     itemRequest->setItemId(queryRequest->itemId());
     itemRequest->setPropertyNames(propertyNames);
     itemRequest->execute();
 }

 void DocumentPropertiesWidget::requestDocumentProperties()
 {
     makeItemRequestForProperties(QStringList()
                 << QDocumentGallery::title
                 << QDocumentGallery::author
                 << QDocumentGallery::pageCount);

     resultSet = itemRequest->resultSet();
     if (resultSet) {
         addTextPropertyRow("Title", QDocumentGallery::title);
         addTextPropertyRow("Author", QDocumentGallery::author);
         addTextPropertyRow("Page Count", QDocumentGallery::pageCount);
     }
 }

 void DocumentPropertiesWidget::requestImageProperties()
 {
     makeItemRequestForProperties(QStringList()
             << QDocumentGallery::title
             << QDocumentGallery::width
             << QDocumentGallery::height
             << QDocumentGallery::keywords);

     resultSet = itemRequest->resultSet();
     if (resultSet) {
         addTextPropertyRow("Title", QDocumentGallery::title);
         addTextPropertyRow("Width", QDocumentGallery::width);
         addTextPropertyRow("Height", QDocumentGallery::height);
         addTextPropertyRow("Keywords", QDocumentGallery::keywords);
     }
 }

 void DocumentPropertiesWidget::requestVideoProperties()
 {
     makeItemRequestForProperties(QStringList()
             << QDocumentGallery::title
             << QDocumentGallery::width
             << QDocumentGallery::height
             << QDocumentGallery::duration);

     resultSet = itemRequest->resultSet();
     if (resultSet) {
         addTextPropertyRow("Title", QDocumentGallery::title);
         addTextPropertyRow("Width", QDocumentGallery::width);
         addTextPropertyRow("Height", QDocumentGallery::height);
         addTextPropertyRow("Duration", QDocumentGallery::duration);
     }
 }