support deleting notebook

Signed-off-by: Le Tan <tamlokveer@gmail.com>

vmainwindow.cpp

@@ -86,6 +86,8 @@ void VMainWindow::setupUI()
             tabs, &VTabWidget::openFile);
     connect(newNotebookBtn, &QPushButton::clicked,
             this, &VMainWindow::onNewNotebookBtnClicked);
+    connect(deleteNotebookBtn, &QPushButton::clicked,
+            this, &VMainWindow::onDeleteNotebookBtnClicked);
     connect(vnote, &VNote::notebooksChanged,
             this, &VMainWindow::updateNotebookComboBox);
 
@@ -194,3 +196,19 @@ bool VMainWindow::isConflictWithExistingNotebooks(const QString &name, const QSt
     }
     return false;
 }
+
+void VMainWindow::onDeleteNotebookBtnClicked()
+{
+    int curIndex = notebookComboBox->currentIndex();
+    QString curName = vnote->getNotebooks()[curIndex].getName();
+    QString curPath = vnote->getNotebooks()[curIndex].getPath();
+
+    QMessageBox msgBox(QMessageBox::Warning, tr("Warning"), QString("Are you sure you want to delete notebook \"%1\"?")
+                       .arg(curName));
+    msgBox.setInformativeText(QString("This will delete any files in this notebook (\"%1\").").arg(curPath));
+    msgBox.setStandardButtons(QMessageBox::Ok | QMessageBox::Cancel);
+    msgBox.setDefaultButton(QMessageBox::Ok);
+    if (msgBox.exec() == QMessageBox::Ok) {
+        vnote->removeNotebook(curName);
+    }
+}

vmainwindow.h

@@ -30,6 +30,7 @@ private slots:
     void setCurNotebookIndex(int index);
     // Create a notebook
     void onNewNotebookBtnClicked();
+    void onDeleteNotebookBtnClicked();
     void updateNotebookComboBox(const QVector<VNotebook> &notebooks);
 
 signals:

vnote.cpp

@@ -2,6 +2,7 @@
 #include <QDebug>
 #include <QJsonObject>
 #include <QJsonArray>
+#include <QDir>
 #include "vnote.h"
 #include "utils/vutils.h"
 #include "vconfigmanager.h"
@@ -50,3 +51,31 @@ void VNote::createNotebook(const QString &name, const QString &path)
 
     emit notebooksChanged(notebooks);
 }
+
+void VNote::removeNotebook(const QString &name)
+{
+    // Update notebooks settings
+    QString path;
+    int index;
+    for (index = 0; index < notebooks.size(); ++index) {
+        if (notebooks[index].getName() == name) {
+            path = notebooks[index].getPath();
+            break;
+        }
+    }
+    if (index == notebooks.size()) {
+        return;
+    }
+    notebooks.remove(index);
+    vconfig.setNotebooks(notebooks);
+    vconfig.setCurNotebookIndex(notebooks.isEmpty() ? -1 : 0);
+
+    // Delete the directory
+    QDir dir(path);
+    if (!dir.removeRecursively()) {
+        qWarning() << "error: fail to delete" << path << "recursively";
+    } else {
+        qDebug() << "delete" << path << "recursively";
+    }
+    emit notebooksChanged(notebooks);
+}

vnote.h

@@ -21,6 +21,7 @@ public:
     static QString templateHtml;
 
     void createNotebook(const QString &name, const QString &path);
+    void removeNotebook(const QString &name);
 
 signals:
     void notebooksChanged(const QVector<VNotebook> &notebooks);