iteminformationdialog.cpp Example File
documentshare/iteminformationdialog.cpp /****************************************************************************
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#include "iteminformationdialog.h"
#include <qdocumentgallery.h>
#include <qgalleryitemlist.h>
#include <qgalleryitemrequest.h>
#include <QtGui>
ItemInformationDialog::ItemInformationDialog(
QDocumentGallery *gallery, QWidget *parent, Qt::WindowFlags flags)
: QDialog(parent, flags)
, request(0)
, item(0)
{
request = new QGalleryItemRequest(gallery, this);
}
void ItemInformationDialog::addProperty(const QString &propertyName, const QString &displayName)
{
propertyNames.append(propertyName);
displayNames.append(displayName);
}
void ItemInformationDialog::showItem(const QVariant &itemId)
{
request->setPropertyNames(propertyNames);
request->setItemId(itemId);
request->execute();
item = request->item();
if (item) {
connect(item, SIGNAL(inserted(int,int)), this, SLOT(itemsInserted(int,int)));
connect(item, SIGNAL(removed(int,int)), this, SLOT(itemsRemoved(int,int)));
connect(item, SIGNAL(metaDataChanged(int,int,QList<int>)),
this, SLOT(metaDataChanged(int,int,QList<int>)));
QFormLayout *layout = new QFormLayout;
for (int i = 0; i < propertyNames.count(); ++i) {
QString propertyName = propertyNames.at(i);
int key = item->propertyKey(propertyName);
if (key >= 0) {
QVariant::Type type = item->propertyType(key);
QLabel *label = new QLabel;
layout->addRow(displayNames.at(i), label);
propertyKeys.append(key);
propertyTypes.append(type);
propertyWidgets.append(label);
}
}
setLayout(layout);
if (item->count() > 0)
itemsInserted(0, item->count());
show();
}
}
void ItemInformationDialog::itemsInserted(int, int)
{
for (int i = 0; i < propertyKeys.count(); ++i) {
QVariant value = item->metaData(0, propertyKeys.at(i));
switch (propertyTypes.at(i)) {
case QVariant::Image:
case QVariant::Pixmap:
propertyWidgets.at(i)->setPixmap(value.value<QPixmap>());
break;
default:
propertyWidgets.at(i)->setText(value.toString());
}
}
}
void ItemInformationDialog::itemsRemoved(int, int)
{
for (int i = 0; i < propertyWidgets.count(); ++i)
propertyWidgets.at(i)->clear();
}
void ItemInformationDialog::metaDataChanged(int, int, const QList<int> &keys)
{
if (keys.isEmpty()) {
for (int i = 0; i < propertyKeys.count(); ++i) {
QVariant value = item->metaData(0, propertyKeys.at(i));
switch (propertyTypes.at(i)) {
case QVariant::Image:
case QVariant::Pixmap:
propertyWidgets.at(i)->setPixmap(value.value<QPixmap>());
break;
default:
propertyWidgets.at(i)->setText(value.toString());
}
}
} else {
foreach (int propertyKey, keys) {
int i = propertyKeys.indexOf(propertyKey);
if (i >= 0) {
QVariant value = item->metaData(0, propertyKey);
switch (propertyTypes.at(i)) {
case QVariant::Image:
case QVariant::Pixmap:
propertyWidgets.at(i)->setPixmap(value.value<QPixmap>());
break;
default:
propertyWidgets.at(i)->setText(value.toString());
}
}
}
}
}