From 631a45394ee57802422e8ea9d1190ebaed0c5e67 Mon Sep 17 00:00:00 2001
From: reionwong <reionwong@gmail.com>
Date: Wed, 1 Sep 2021 05:31:38 +0800
Subject: [PATCH] Error notification

---
 model/foldermodel.cpp          | 6 ++++++
 model/foldermodel.h            | 2 ++
 qml/Dialogs/OpenWithDialog.qml | 1 +
 qml/FolderPage.qml             | 8 ++++++++
 4 files changed, 17 insertions(+)

diff --git a/model/foldermodel.cpp b/model/foldermodel.cpp
index d133b8d..958898b 100644
--- a/model/foldermodel.cpp
+++ b/model/foldermodel.cpp
@@ -85,6 +85,7 @@ FolderModel::FolderModel(QObject *parent)
     DirLister *dirLister = new DirLister(this);
     dirLister->setDelayedMimeTypes(true);
     dirLister->setAutoErrorHandlingEnabled(false, nullptr);
+    // connect(dirLister, &DirLister::error, this, &FolderModel::notification);
 
     m_dirModel = new KDirModel(this);
     m_dirModel->setDirLister(dirLister);
@@ -242,6 +243,11 @@ void FolderModel::setUrl(const QString &url)
 
     const QUrl &resolvedNewUrl = resolve(url);
 
+    if (!QFile::exists(resolvedNewUrl.toLocalFile()) && !url.startsWith("trash:/")) {
+        emit notification(tr("The file or folder %1 does not exist.").arg(url));
+        return;
+    }
+
     // Refresh this directory.
     if (url == m_url) {
         m_dirModel->dirLister()->updateDirectory(resolvedNewUrl);
diff --git a/model/foldermodel.h b/model/foldermodel.h
index 3b211de..071959f 100644
--- a/model/foldermodel.h
+++ b/model/foldermodel.h
@@ -217,6 +217,8 @@ signals:
     void filterPatternChanged();
     void filterMimeTypesChanged();
 
+    void notification(const QString &message);
+
 private slots:
     void selectionChanged(const QItemSelection &selected, const QItemSelection &deselected);
     void dragSelectedInternal(int x, int y);
diff --git a/qml/Dialogs/OpenWithDialog.qml b/qml/Dialogs/OpenWithDialog.qml
index d19a622..945e30a 100644
--- a/qml/Dialogs/OpenWithDialog.qml
+++ b/qml/Dialogs/OpenWithDialog.qml
@@ -158,6 +158,7 @@ Item {
                 focus: true
                 flat: true
                 text: qsTr("Open")
+                enabled: listView.count > 0
                 Layout.fillWidth: true
                 onClicked: control.openApp()
             }
diff --git a/qml/FolderPage.qml b/qml/FolderPage.qml
index dd5edd1..db09609 100644
--- a/qml/FolderPage.qml
+++ b/qml/FolderPage.qml
@@ -150,6 +150,14 @@ Item {
         }
     }
 
+    Connections {
+        target: dirModel
+
+        function onNotification(text) {
+            root.showPassiveNotification(text, 3000)
+        }
+    }
+
     FM.ItemViewAdapter {
         id: viewAdapter
         adapterView: _viewLoader.item