From a6c1dd8bf93a54b38ad03095f99dcfc4f8e03e15 Mon Sep 17 00:00:00 2001
From: Jean-Baptiste Mardelle <jb@kdenlive.org>
Date: Tue, 7 Jun 2011 21:42:20 +0000
Subject: [PATCH] When opening the backup dialog from an empty project, display
 all available files so that User can recover a project file that crashes
 Kdenlive

svn path=/trunk/kdenlive/; revision=5679
---
 src/databackup/backupwidget.cpp | 31 ++++++++++++++-----
 src/databackup/backupwidget.h   |  1 -
 src/kdenlivedoc.cpp             |  1 +
 src/widgets/backupdialog_ui.ui  | 55 +++++++++++++++++++++------------
 4 files changed, 60 insertions(+), 28 deletions(-)

diff --git a/src/databackup/backupwidget.cpp b/src/databackup/backupwidget.cpp
index 31c07ad7..64e4a88b 100644
--- a/src/databackup/backupwidget.cpp
+++ b/src/databackup/backupwidget.cpp
@@ -25,20 +25,28 @@
 
 
 BackupWidget::BackupWidget(KUrl projectUrl, KUrl projectFolder, const QString projectId, QWidget * parent) :
-        QDialog(parent),
-        m_url(projectUrl)
+        QDialog(parent)
 {
     setupUi(this);
     setWindowTitle(i18n("Restore Backup File"));
 
     KUrl backupFile;
-    m_projectWildcard = projectUrl.fileName().section('.', 0, -2);
-    project_url->setUrl(projectFolder);
-    if (!projectId.isEmpty()) m_projectWildcard.append("-" + projectId);
+
+    if (projectUrl.isEmpty()) {
+        // No url, means we opened the backup dialog from an empty project
+        info_label->setText(i18n("Showing all backup files in folder"));
+        m_projectWildcard = "*";
+    }
     else {
-        // No project id, it was lost, add wildcard
-        m_projectWildcard.append("*");
+        info_label->setText(i18n("Showing backup files for %1", projectUrl.fileName()));
+        m_projectWildcard = projectUrl.fileName().section('.', 0, -2);
+        if (!projectId.isEmpty()) m_projectWildcard.append("-" + projectId);
+        else {
+            // No project id, it was lost, add wildcard
+            m_projectWildcard.append("*");
+        }
     }
+    project_url->setUrl(projectFolder);
     m_projectWildcard.append("-??");
     m_projectWildcard.append("??");
     m_projectWildcard.append("-??");
@@ -74,10 +82,17 @@ void BackupWidget::slotParseBackupFiles()
     QStringList results;
     backup_list->clear();
     QListWidgetItem *item;
+    QString label;
     for (int i = 0; i < resultList.count(); i++) {
-        item = new QListWidgetItem(resultList.at(i).lastModified().toString(Qt::DefaultLocaleLongDate), backup_list);
+        label = resultList.at(i).lastModified().toString(Qt::SystemLocaleLongDate);
+        if (m_projectWildcard.startsWith("*")) {
+            // Displaying all backup files, so add project name in the entries
+            label.prepend(resultList.at(i).fileName().section("-", 0, -7) + ".kdenlive - ");
+        }
+        item = new QListWidgetItem(label, backup_list);
         item->setData(Qt::UserRole, resultList.at(i).absoluteFilePath());
     }
+    buttonBox->button(QDialogButtonBox::Open)->setEnabled(backup_list->count() > 0);
 }
 
 void BackupWidget::slotDisplayBackupPreview()
diff --git a/src/databackup/backupwidget.h b/src/databackup/backupwidget.h
index 9c2fa0c9..5878f7b4 100644
--- a/src/databackup/backupwidget.h
+++ b/src/databackup/backupwidget.h
@@ -50,7 +50,6 @@ private slots:
     void slotDisplayBackupPreview();
 
 private:
-    KUrl m_url;
     QString m_projectWildcard;
     
 signals:
diff --git a/src/kdenlivedoc.cpp b/src/kdenlivedoc.cpp
index 88171504..bac79c22 100644
--- a/src/kdenlivedoc.cpp
+++ b/src/kdenlivedoc.cpp
@@ -1615,6 +1615,7 @@ double KdenliveDoc::getDisplayRatio(const QString &path)
 void KdenliveDoc::backupLastSavedVersion(const QString &path)
 {
     // Ensure backup folder exists
+    if (path.isEmpty()) return;
     QFile file(path);
     KUrl backupFile = m_projectFolder;
     backupFile.addPath(".backup/");
diff --git a/src/widgets/backupdialog_ui.ui b/src/widgets/backupdialog_ui.ui
index a12b72b9..8483be76 100644
--- a/src/widgets/backupdialog_ui.ui
+++ b/src/widgets/backupdialog_ui.ui
@@ -6,23 +6,31 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>485</width>
-    <height>216</height>
+    <width>284</width>
+    <height>150</height>
    </rect>
   </property>
   <property name="windowTitle">
    <string>Dialog</string>
   </property>
   <layout class="QGridLayout" name="gridLayout">
-   <item row="3" column="1">
-    <widget class="QDialogButtonBox" name="buttonBox">
-     <property name="orientation">
-      <enum>Qt::Horizontal</enum>
-     </property>
-     <property name="standardButtons">
-      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Open</set>
-     </property>
-    </widget>
+   <item row="0" column="0" colspan="2">
+    <layout class="QHBoxLayout" name="horizontalLayout">
+     <item>
+      <widget class="QLabel" name="label">
+       <property name="text">
+        <string>Project Folder</string>
+       </property>
+      </widget>
+     </item>
+     <item>
+      <widget class="KUrlRequester" name="project_url">
+       <property name="mode">
+        <set>KFile::Directory|KFile::ExistingOnly|KFile::LocalOnly</set>
+       </property>
+      </widget>
+     </item>
+    </layout>
    </item>
    <item row="1" column="0" colspan="2">
     <widget class="KListWidget" name="backup_list">
@@ -41,17 +49,26 @@
      </property>
     </widget>
    </item>
-   <item row="0" column="1">
-    <widget class="KUrlRequester" name="project_url">
-     <property name="mode">
-      <set>KFile::Directory|KFile::ExistingOnly|KFile::LocalOnly</set>
+   <item row="3" column="0">
+    <widget class="QLabel" name="info_label">
+     <property name="sizePolicy">
+      <sizepolicy hsizetype="MinimumExpanding" vsizetype="Preferred">
+       <horstretch>0</horstretch>
+       <verstretch>0</verstretch>
+      </sizepolicy>
+     </property>
+     <property name="text">
+      <string/>
      </property>
     </widget>
    </item>
-   <item row="0" column="0">
-    <widget class="QLabel" name="label">
-     <property name="text">
-      <string>Project Folder</string>
+   <item row="3" column="1">
+    <widget class="QDialogButtonBox" name="buttonBox">
+     <property name="orientation">
+      <enum>Qt::Horizontal</enum>
+     </property>
+     <property name="standardButtons">
+      <set>QDialogButtonBox::Cancel|QDialogButtonBox::Open</set>
      </property>
     </widget>
    </item>
-- 
2.39.2