[ui] Use the location of the most recently imported images as the base folder for the "Import Images" dialog

meshroom/ui/app.py

@@ -247,12 +247,12 @@ def addRecentProjectFile(self, projectFile):
         # add the new value in the first place
         projects.insert(0, projectFileNorm)
 
-        # keep only the 10 first elements
+        # keep only the 20 first elements
         projects = projects[0:20]
 
         settings = QSettings()
         settings.beginGroup("RecentFiles")
-        size = settings.beginWriteArray("Projects")
+        settings.beginWriteArray("Projects")
         for i, p in enumerate(projects):
             settings.setArrayIndex(i)
             settings.setValue("filepath", p)
@@ -289,7 +289,7 @@ def removeRecentProjectFile(self, projectFile):
 
         settings = QSettings()
         settings.beginGroup("RecentFiles")
-        size = settings.beginWriteArray("Projects")
+        settings.beginWriteArray("Projects")
         for i, p in enumerate(projects):
             settings.setArrayIndex(i)
             settings.setValue("filepath", p)
@@ -298,6 +298,86 @@ def removeRecentProjectFile(self, projectFile):
 
         self.recentProjectFilesChanged.emit()
 
+    def _recentImportedImagesFolders(self):
+        folders = []
+        settings = QSettings()
+        settings.beginGroup("RecentFiles")
+        size = settings.beginReadArray("ImagesFolders")
+        for i in range(size):
+            settings.setArrayIndex(i)
+            f = settings.value("path")
+            if f:
+                folders.append(f)
+        settings.endArray()
+        return folders
+
+    @Slot(QUrl)
+    def addRecentImportedImagesFolder(self, imagesFolder):
+        if isinstance(imagesFolder, QUrl):
+            folderPath = imagesFolder.toLocalFile()
+            if not folderPath:
+                folderPath = imagesFolder.toString()
+        else:
+            raise TypeError("Unexpected data type: {}".format(imagesFolder.__class__))
+
+        folders = self._recentImportedImagesFolders()
+
+        # remove duplicates while preserving order
+        from collections import OrderedDict
+        uniqueFolders = OrderedDict.fromkeys(folders)
+        folders = list(uniqueFolders)
+        # remove previous usage of the value
+        if folderPath in uniqueFolders:
+            folders.remove(folderPath)
+        # add the new value in the first place
+        folders.insert(0, folderPath)
+
+        # keep only the first three elements to have a backup if one of the folders goes missing
+        folders = folders[0:3]
+
+        settings = QSettings()
+        settings.beginGroup("RecentFiles")
+        settings.beginWriteArray("ImagesFolders")
+        for i, p in enumerate(folders):
+            settings.setArrayIndex(i)
+            settings.setValue("path", p)
+        settings.endArray()
+        settings.sync()
+
+        self.recentImportedImagesFoldersChanged.emit()
+
+    @Slot(QUrl)
+    def removeRecentImportedImagesFolder(self, imagesFolder):
+        if isinstance(imagesFolder, QUrl):
+            folderPath = imagesFolder.toLocalFile()
+            if not folderPath:
+                folderPath = imagesFolder.toString()
+        else:
+            raise TypeError("Unexpected data type: {}".format(imagesFolder.__class__))
+
+        folders = self._recentImportedImagesFolders()
+
+        # remove duplicates while preserving order
+        from collections import OrderedDict
+        uniqueFolders = OrderedDict.fromkeys(folders)
+        folders = list(uniqueFolders)
+        # remove previous usage of the value
+        if folderPath not in uniqueFolders:
+            return
+
+        folders.remove(folderPath)
+
+        settings = QSettings()
+        settings.beginGroup("RecentFiles")
+        settings.beginWriteArray("ImagesFolders")
+        for i, f in enumerate(folders):
+            settings.setArrayIndex(i)
+            settings.setValue("path", f)
+        settings.endArray()
+        settings.sync()
+
+        self.recentImportedImagesFoldersChanged.emit()
+
     @Slot(str, result=str)
     def markdownToHtml(self, md):
         """
@@ -355,7 +435,9 @@ def _default8bitViewerEnabled(self):
     licensesModel = Property("QVariantList", _licensesModel, constant=True)
     pipelineTemplateFilesChanged = Signal()
     recentProjectFilesChanged = Signal()
+    recentImportedImagesFoldersChanged = Signal()
     pipelineTemplateFiles = Property("QVariantList", _pipelineTemplateFiles, notify=pipelineTemplateFilesChanged)
     pipelineTemplateNames = Property("QVariantList", _pipelineTemplateNames, notify=pipelineTemplateFilesChanged)
     recentProjectFiles = Property("QVariantList", _recentProjectFiles, notify=recentProjectFilesChanged)
+    recentImportedImagesFolders = Property("QVariantList", _recentImportedImagesFolders, notify=recentImportedImagesFoldersChanged)
     default8bitViewerEnabled = Property(bool, _default8bitViewerEnabled, constant=True)

meshroom/ui/qml/ImageGallery/ImageGallery.qml

@@ -23,6 +23,7 @@ Panel {
     readonly property string currentItemSource: grid.currentItem ? grid.currentItem.source : ""
     readonly property var currentItemMetadata: grid.currentItem ? grid.currentItem.metadata : undefined
     readonly property int centerViewId: (_reconstruction && _reconstruction.sfmTransform) ? parseInt(_reconstruction.sfmTransform.attribute("transformation").value) : 0
+    readonly property alias galleryGrid: grid
 
     property int defaultCellSize: 160
     property bool readOnly: false

meshroom/ui/qml/WorkspaceView.qml

@@ -24,6 +24,7 @@ Item {
     property bool readOnly: false
     property alias panel3dViewer: panel3dViewerLoader.item
     readonly property Viewer2D viewer2D: viewer2D
+    readonly property alias imageGallery: imageGallery
 
     implicitWidth: 300
     implicitHeight: 400

meshroom/ui/qml/main.qml

@@ -46,6 +46,19 @@ ApplicationWindow {
     SystemPalette { id: activePalette }
     SystemPalette { id: disabledPalette; colorGroup: SystemPalette.Disabled }
 
+    property url imagesFolder: {
+        var recentImportedImagesFolders = MeshroomApp.recentImportedImagesFolders
+        if (recentImportedImagesFolders.length > 0) {
+            for (var i = 0; i < recentImportedImagesFolders.length; i++) {
+                if (Filepath.exists(recentImportedImagesFolders[i]))
+                    return Filepath.stringToUrl(recentImportedImagesFolders[i])
+                else
+                    MeshroomApp.removeRecentImportedImagesFolder(Filepath.stringToUrl(recentImportedImagesFolders[i]))
+            }
+        }
+        return ""
+    }
+
     Settings {
         id: settings_General
         category: 'General'
@@ -328,6 +341,8 @@ ApplicationWindow {
         nameFilters: []
         onAccepted: {
             _reconstruction.importImagesUrls(importImagesDialog.fileUrls)
+            imagesFolder = Filepath.dirname(importImagesDialog.fileUrls[0])
+            MeshroomApp.addRecentImportedImagesFolder(imagesFolder)
         }
     }
 
@@ -475,15 +490,27 @@ ApplicationWindow {
 
     // Utility functions for elements in the menubar
 
-    function initFileDialogFolder(dialog) {
-        if(_reconstruction.graph && _reconstruction.graph.filepath) {
-            dialog.folder = Filepath.stringToUrl(Filepath.dirname(_reconstruction.graph.filepath));
+    function initFileDialogFolder(dialog, importImages = false) {
+        let folder = "";
+
+        if (imagesFolder.toString() === "" && workspaceView.imageGallery.galleryGrid.itemAtIndex(0) !== null) {
+            imagesFolder = Filepath.stringToUrl(Filepath.dirname(workspaceView.imageGallery.galleryGrid.itemAtIndex(0).source));
+        }
+
+        if (_reconstruction.graph && _reconstruction.graph.filepath) {
+            folder = Filepath.stringToUrl(Filepath.dirname(_reconstruction.graph.filepath));
         } else {
             var projects = MeshroomApp.recentProjectFiles;
             if (projects.length > 0 && Filepath.exists(projects[0])) {
-                dialog.folder = Filepath.stringToUrl(Filepath.dirname(projects[0]));
+                folder = Filepath.stringToUrl(Filepath.dirname(projects[0]));
             }
         }
+
+        if (importImages && imagesFolder.toString() !== "" && Filepath.exists(imagesFolder)) {
+            folder = imagesFolder;
+        }
+
+        dialog.folder = folder;
     }
 
     header: MenuBar {
@@ -606,7 +633,7 @@ ApplicationWindow {
                 text: "Import Images"
                 shortcut: "Ctrl+I"
                 onTriggered: {
-                    initFileDialogFolder(importImagesDialog);
+                    initFileDialogFolder(importImagesDialog, true);
                     importImagesDialog.open();
                 }
             }