MdEditor: insert image from network via tempoary file

src/dialog/vinsertimagedialog.cpp

@@ -107,7 +107,11 @@ QString VInsertImageDialog::getImageTitleInput() const
 
 QString VInsertImageDialog::getPathInput() const
 {
+    if (m_tempFile.isNull()) {
         return m_pathEdit->text();
+    } else {
+        return m_tempFile->fileName();
+    }
 }
 
 void VInsertImageDialog::handleBrowseBtnClicked()
@@ -163,8 +167,38 @@ void VInsertImageDialog::setImage(const QImage &image)
 
 void VInsertImageDialog::imageDownloaded(const QByteArray &data)
 {
-    m_imageType = ImageType::ImageData;
     setImage(QImage::fromData(data));
+
+    // Try to save it to a temp file.
+    {
+    if (data.isEmpty()) {
+        goto image_data;
+    }
+
+    QString format = QFileInfo(getPathInput()).suffix();
+    if (format.isEmpty()) {
+        goto image_data;
+    }
+
+    m_tempFile.reset(new QTemporaryFile(QDir::tempPath()
+                                        + QDir::separator()
+                                        + "XXXXXX." + format));
+    if (!m_tempFile->open()) {
+        goto image_data;
+    }
+
+    if (m_tempFile->write(data) == -1) {
+        goto image_data;
+    }
+
+    m_imageType = ImageType::LocalFile;
+    m_tempFile->close();
+    return;
+    }
+
+image_data:
+    m_tempFile.clear();
+    m_imageType = ImageType::ImageData;
 }
 
 QImage VInsertImageDialog::getImage() const

src/dialog/vinsertimagedialog.h

@@ -5,6 +5,8 @@
 #include <QImage>
 #include <QString>
 #include <QByteArray>
+#include <QTemporaryFile>
+#include <QSharedPointer>
 
 class QLabel;
 class VLineEdit;
@@ -71,6 +73,8 @@ private:
     bool m_browsable;
 
     ImageType m_imageType;
+
+    QSharedPointer<QTemporaryFile> m_tempFile;
 };
 
 inline VInsertImageDialog::ImageType VInsertImageDialog::getImageType() const

src/utils/vutils.h

@@ -97,7 +97,8 @@ public:
 
     static QJsonObject readJsonFromDisk(const QString &p_filePath);
 
-    static QString generateImageFileName(const QString &path, const QString &title,
+    static QString generateImageFileName(const QString &path,
+                                         const QString &title,
                                          const QString &format = "png");
 
     // Given the file name @p_fileName and directory path @p_dirPath, generate

src/vmdeditoperations.cpp

@@ -58,8 +58,10 @@ bool VMdEditOperations::insertImageFromMimeData(const QMimeData *source)
     return true;
 }
 
-void VMdEditOperations::insertImageFromQImage(const QString &title, const QString &path,
+void VMdEditOperations::insertImageFromQImage(const QString &title,
-                                              const QString &folderInLink, const QImage &image)
+                                              const QString &path,
+                                              const QString &folderInLink,
+                                              const QImage &image)
 {
     QString fileName = VUtils::generateImageFileName(path, title);
     QString filePath = QDir(path).filePath(fileName);
@@ -183,6 +185,12 @@ bool VMdEditOperations::insertImageFromURL(const QUrl &imageUrl)
                                 m_file->fetchImageFolderPath(),
                                 m_file->getImageFolderInLink(),
                                 imagePath);
+        } else {
+            if (dialog.getImageType() == VInsertImageDialog::ImageType::LocalFile) {
+                insertImageFromPath(dialog.getImageTitleInput(),
+                                    m_file->fetchImageFolderPath(),
+                                    m_file->getImageFolderInLink(),
+                                    dialog.getPathInput());
             } else {
                 insertImageFromQImage(dialog.getImageTitleInput(),
                                       m_file->fetchImageFolderPath(),
@@ -190,6 +198,7 @@ bool VMdEditOperations::insertImageFromURL(const QUrl &imageUrl)
                                       dialog.getImage());
             }
         }
+    }
     return true;
 }
 

src/vmdeditor.cpp

@@ -1822,5 +1822,4 @@ void VMdEditor::exportGraphAndCopy(const QString &p_lang,
     }
 
     m_exportTempFile->close();
-
 }