Added support for URLs as resource paths for ImageItem.

limereport/items/lrimageitem.cpp

@@ -106,20 +106,6 @@ void ImageItem::processPopUpAction(QAction *action)
     ItemDesignIntf::processPopUpAction(action);
 }
 
-QImage getFileByResourcePath(QString resourcePath){
-    QFileInfo resourceFile(resourcePath);
-    if (resourceFile.exists())
-        return QImage(resourcePath);
-    return QImage();
-}
-
-QImage ImageItem::drawImage()
-{
-    if (image().isNull())
-        return getFileByResourcePath(m_resourcePath);
-    return image();
-}
-
 bool ImageItem::useExternalPainter() const
 {
     return m_useExternalPainter;
@@ -165,7 +151,6 @@ QString ImageItem::fileFilter() const
 
 void ImageItem::updateItemSize(DataSourceManager* dataManager, RenderPass pass, int maxHeight)
 {
-
     if (m_picture.isNull()){
         if (!m_datasource.isEmpty() && !m_field.isEmpty()){
             IDataSource* ds = dataManager->dataSource(m_datasource);
@@ -176,7 +161,7 @@ void ImageItem::updateItemSize(DataSourceManager* dataManager, RenderPass pass,
        } else if (!m_resourcePath.isEmpty()){
            m_resourcePath = expandUserVariables(m_resourcePath, pass, NoEscapeSymbols, dataManager);
            m_resourcePath = expandDataFields(m_resourcePath, NoEscapeSymbols, dataManager);
-           m_picture = QImage(m_resourcePath);
+           m_picture = QImage::fromData(dataManager->getResource(m_resourcePath));
        } else if (!m_variable.isEmpty()){
            QVariant data = dataManager->variable(m_variable);
            if (data.type() == QVariant::String){
@@ -273,8 +258,8 @@ void ImageItem::setAutoSize(bool autoSize)
     if (m_autoSize != autoSize){
         m_autoSize = autoSize;
         if (m_autoSize && !m_picture.isNull()){
-            setWidth(drawImage().width());
+            setWidth(image().width());
-            setHeight(drawImage().height());
+            setHeight(image().height());
             setPossibleResizeDirectionFlags(Fixed);
         } else {
             setPossibleResizeDirectionFlags(AllDirections);
@@ -324,10 +309,10 @@ void ImageItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,
     QPointF point = rect().topLeft();
     QImage img;
 
-    if (m_scale && !drawImage().isNull()){
+    if (m_scale && !image().isNull()){
-        img = drawImage().scaled(rect().width(), rect().height(), keepAspectRatio() ? Qt::KeepAspectRatio : Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
+        img = image().scaled(rect().width(), rect().height(), keepAspectRatio() ? Qt::KeepAspectRatio : Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
     } else {
-        img = drawImage();
+        img = image();
     }
 
     qreal shiftHeight = rect().height() - img.height();
@@ -402,7 +387,8 @@ void ImageItem::setResourcePath(const QString &value){
     if (m_resourcePath != value){
         QString oldValue = m_resourcePath;
         m_resourcePath = value;
-        update();
+        //m_picture = getFileByResourcePath(value);
+        //update();
         notify("resourcePath", oldValue, value);
     }
 }

limereport/items/lrimageitem.h

@@ -108,7 +108,6 @@ protected:
     void loadPictureFromVariant(QVariant& data);
     void preparePopUpMenu(QMenu &menu);
     void processPopUpAction(QAction *action);
-    QImage drawImage();
 private:
     QImage  m_picture;
     bool m_useExternalPainter;
@@ -122,7 +121,6 @@ private:
     bool    m_center;
     Format  m_format;
     QString m_variable;
-
 };
 
 }

limereport/lrdatasourcemanager.cpp

@@ -35,6 +35,8 @@
 #include <QSqlError>
 #include <QSqlQueryModel>
 #include <QFileInfo>
+#include <QEventLoop>
+#include <QTimer>
 #include <stdexcept>
 
 #ifdef BUILD_WITH_EASY_PROFILER
@@ -854,6 +856,37 @@ void DataSourceManager::setReportSettings(ReportSettings *reportSettings)
     m_reportSettings = reportSettings;
 }
 
+QByteArray DataSourceManager::getResource(const QString &path)
+{
+    QFile file(path);
+    if (file.exists()){
+        file.open(QIODevice::ReadOnly);
+        return file.readAll();
+    }
+
+    QUrl url(path);
+    if (url.isValid()){
+        QNetworkAccessManager manager;
+        QNetworkRequest request(url);
+        QNetworkReply *reply = manager.get(request);
+
+        QEventLoop loop;
+        QTimer::singleShot(20000, &loop, SLOT(quit()));
+        connect(reply, SIGNAL(finished()), &loop, SLOT(quit()));
+        loop.exec();
+
+        if (reply->error() == QNetworkReply::NoError){
+            QByteArray result = reply->readAll();
+            reply->deleteLater();
+            return result;
+        } else {
+            putError(reply->errorString());
+        }
+    }
+
+    return QByteArray();
+}
+
 bool DataSourceManager::checkConnection(QSqlDatabase db){
     QSqlQuery query("Select 1",db);
     return query.first();

limereport/lrdatasourcemanager.h

@@ -32,6 +32,9 @@
 
 #include <QObject>
 #include <QIcon>
+#include <QNetworkAccessManager>
+#include <QNetworkReply>
+
 #include "lrdatadesignintf.h"
 #include "lrcollection.h"
 #include "lrglobal.h"
@@ -222,6 +225,7 @@ public:
 
     bool hasChanges(){ return m_hasChanges; }
     void dropChanges(){ m_hasChanges = false; }
+    QByteArray getResource(const QString& url);
 signals:
     void loadCollectionFinished(const QString& collectionName);
     void cleared();
@@ -282,7 +286,6 @@ private:
     IDbCredentialsProvider* m_dbCredentialsProvider;
 
     QMap< QString, QVector<QString> > m_varToDataSource;    
-
     bool m_hasChanges;
 };