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main.go

@@ -238,6 +238,25 @@ func Bolt_ListItems(b ObjectReference, browse []string) ObjectReference {
 	return pNC_Ref
 }
 
+//export Bolt_GetItem
+func Bolt_GetItem(b ObjectReference, browse []string, key string) (int64, *C.char, int) {
+	var ret *C.char = nil
+	var ret_len = 0
+
+	err := withBrowse_ReadOnly(b, browse, func(db *bolt.DB, tx *bolt.Tx, bucket *bolt.Bucket) error {
+		d := bucket.Get([]byte(key))
+		ret = C.CString(string(d))
+		ret_len = len(d)
+		return nil
+	})
+
+	if err != nil {
+		return ERROR_AND_STOP_CALLING, C.CString(err.Error()), len(err.Error())
+	}
+
+	return REAL_MESSAGE, ret, ret_len
+}
+
 //export GetNext
 func GetNext(oRef ObjectReference) (int64, *C.char, int) {
 	pNC_Iface, ok := gms.Get(oRef)

qbolt/boltdb.cpp

@@ -59,6 +59,29 @@ bool BoltDB::listKeys(QStringList bucketPath, QString& errorOut, std::function<v
     });
 }
 
+bool BoltDB::getData(QStringList bucketPath, QByteArray key, std::function<void(QByteArray)> onSuccess, std::function<void(QString)> onError)
+{
+    GoSliceManagedWrapper browse(&bucketPath);
+    GoString keyGS = Interop::toGoString_WeakRef(&key);
+    auto resp = ::Bolt_GetItem(this->gmsDbRef, browse.slice, keyGS);
+
+    if (resp.r0 == ERROR_AND_STOP_CALLING) {
+        onError(QString::fromUtf8(resp.r1, resp.r2));
+        free(resp.r1);
+        return false;
+
+    } else if (resp.r0 == REAL_MESSAGE) {
+        onSuccess(QByteArray(resp.r1, resp.r2));
+        free(resp.r1);
+        return true;
+
+    } else {
+        // ?? unreachable
+        return false;
+
+    }
+}
+
 bool BoltDB::pumpNext(GoInt64 jobRef, QString& errorOut, NameReciever cb)
 {
     errorOut.clear();
@@ -95,9 +118,8 @@ bool BoltDB::getStatsJSON(std::function<void(QByteArray)> onSuccess, std::functi
     auto statresp = Bolt_DBStats(this->gmsDbRef);
 
     if (statresp.r0 == ERROR_AND_STOP_CALLING) {
-        QString err = QString::fromUtf8(statresp.r1, statresp.r2);
+        onError(QString::fromUtf8(statresp.r1, statresp.r2));
         free(statresp.r1);
-        onError(err);
         return false;
 
     } else if (statresp.r0 == REAL_MESSAGE) {

qbolt/boltdb.h

@@ -22,6 +22,8 @@ public:
 
     bool listKeys(QStringList bucketPath, QString& errorOut, std::function<void(QByteArray, int64_t)> cb);
 
+    bool getData(QStringList bucketPath, QByteArray key, std::function<void(QByteArray)> onSuccess, std::function<void(QString)> onError);
+
     bool getStatsJSON(std::function<void(QByteArray)> onSuccess, std::function<void(QString)> onError);
 
     bool getBucketStatsJSON(QStringList bucketPath, std::function<void(QByteArray)> onSuccess, std::function<void(QString)> onError);

qbolt/itemwindow.cpp

@@ -0,0 +1,18 @@
+#include "itemwindow.h"
+#include "ui_itemwindow.h"
+
+ItemWindow::ItemWindow(QWidget *parent) :
+    QDialog(parent),
+    ui(new Ui::ItemWindow)
+{
+    ui->setupUi(this);
+}
+
+ItemWindow::~ItemWindow()
+{
+    delete ui;
+}
+
+QPlainTextEdit* ItemWindow::ContentArea() const {
+    return ui->contentArea;
+}

qbolt/itemwindow.h

@@ -0,0 +1,25 @@
+#ifndef ITEMWINDOW_H
+#define ITEMWINDOW_H
+
+#include <QDialog>
+#include <QPlainTextEdit>
+
+namespace Ui {
+class ItemWindow;
+}
+
+class ItemWindow : public QDialog
+{
+    Q_OBJECT
+
+public:
+    explicit ItemWindow(QWidget *parent = 0);
+    ~ItemWindow();
+
+    QPlainTextEdit* ContentArea() const;
+
+private:
+    Ui::ItemWindow *ui;
+};
+
+#endif // ITEMWINDOW_H

qbolt/itemwindow.ui

@@ -0,0 +1,46 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>ItemWindow</class>
+ <widget class="QDialog" name="ItemWindow">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>370</width>
+    <height>353</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string/>
+  </property>
+  <property name="windowIcon">
+   <iconset resource="resources.qrc">
+    <normaloff>:/rsrc/database_lightning.png</normaloff>:/rsrc/database_lightning.png</iconset>
+  </property>
+  <layout class="QGridLayout" name="gridLayout">
+   <property name="leftMargin">
+    <number>0</number>
+   </property>
+   <property name="topMargin">
+    <number>0</number>
+   </property>
+   <property name="rightMargin">
+    <number>0</number>
+   </property>
+   <property name="bottomMargin">
+    <number>0</number>
+   </property>
+   <item row="0" column="0">
+    <widget class="QPlainTextEdit" name="contentArea">
+     <property name="frameShape">
+      <enum>QFrame::NoFrame</enum>
+     </property>
+    </widget>
+   </item>
+  </layout>
+ </widget>
+ <resources>
+  <include location="resources.qrc"/>
+ </resources>
+ <connections/>
+</ui>

qbolt/mainwindow.cpp

@@ -1,6 +1,6 @@
 #include "mainwindow.h"
 #include "ui_mainwindow.h"
-
+#include "itemwindow.h"
 #include "boltdb.h"
 
 #include <QFileDialog>
@@ -58,6 +58,8 @@ void MainWindow::on_actionOpen_database_triggered()
 
     refreshBucketTree(top);
     ui->bucketTree->setCurrentItem(top);
+
+    ui->bucketTree->expandItem(top);
 }
 
 void MainWindow::refreshBucketTree(QTreeWidgetItem* itm)
@@ -225,12 +227,15 @@ void MainWindow::on_bucketTree_currentItemChanged(QTreeWidgetItem *current, QTre
             itm->setText(1, QString("%1").arg(dataLen));
             ui->bucketData->addTopLevelItem(itm);
         });
+
         if (! ok) {
             QMessageBox qmb;
             qmb.setText(tr("Error listing bucket content: %1").arg(err));
             qmb.exec();
         }
 
+        ui->bucketData->resizeColumnToContents(0);
+
         // Clean up foreign areas
         ui->databasePropertiesArea->clear();
     }
@@ -240,3 +245,49 @@ void MainWindow::on_actionClear_selection_triggered()
 {
     ui->bucketTree->setCurrentItem(nullptr);
 }
+
+void MainWindow::on_bucketData_doubleClicked(const QModelIndex &index)
+{
+    auto *itm = ui->bucketTree->currentItem();
+    if (itm == nullptr) {
+        return;
+    }
+
+    // Get browse path
+
+    QTreeWidgetItem* top = itm;
+    QStringList browse;
+    while(top->parent() != nullptr) {
+        browse.push_front(top->text(0));
+        top = top->parent();
+    }
+
+    // Get BDB
+
+    auto *bdb = GET_BDB(top);
+
+    // Get item key
+
+    auto model = index.model();
+    QString key = model->data(model->index(index.row(), 0), 0).toString();
+
+    // DB lookup
+
+    bdb->getData(
+        browse,
+        key.toUtf8(),
+        [=](QByteArray content) {
+            auto iw = new ItemWindow();
+            iw->ContentArea()->setPlainText(QString::fromUtf8(content));
+            iw->setWindowTitle(key);
+            connect(iw, &ItemWindow::finished, iw, &ItemWindow::deleteLater);
+            iw->show();
+        },
+        [=](QString error) {
+            QMessageBox qmb;
+            qmb.setText(tr("Error loading item content: %1").arg(error));
+            qmb.exec();
+        }
+    );
+
+}

qbolt/mainwindow.h

@@ -36,6 +36,8 @@ private slots:
 
     void on_actionClear_selection_triggered();
 
+    void on_bucketData_doubleClicked(const QModelIndex &index);
+
 protected:
     void refreshBucketTree(QTreeWidgetItem* top);
 

qbolt/qbolt.pro

@@ -29,14 +29,17 @@ linux: {
 SOURCES += main.cpp\
         mainwindow.cpp \
     interop.cpp \
-    boltdb.cpp
+    boltdb.cpp \
+    itemwindow.cpp
 
 HEADERS  += mainwindow.h \
     interop.h \
     boltdb.h \
-    qbolt_cgo.h
+    qbolt_cgo.h \
+    itemwindow.h
 
-FORMS    += mainwindow.ui
+FORMS    += mainwindow.ui \
+    itemwindow.ui
 
 RESOURCES += \
     resources.qrc