implement CRUD operations in the namespace browser

src/qt/forms/kevaaddkeydialog.ui

@@ -11,7 +11,7 @@
             </rect>
         </property>
         <property name="windowTitle">
-            <string notr="true">Add New Key-Value Pair</string>
+            <string notr="true">Create new record</string>
         </property>
         <layout class="QVBoxLayout" name="verticalLayout">
             <item>

src/qt/forms/kevadetaildialog.ui

@@ -15,13 +15,56 @@
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
    <item>
-    <widget class="QTextEdit" name="detailText">
-     <property name="toolTip">
-      <string>This pane shows the value associated with a give key</string>
-     </property>
-     <property name="readOnly">
-      <bool>false</bool>
+     <!-- @TODO -->
+     <widget class="QLabel" name="detailKey">
+      <property name="text">
+        <string/>
+      </property>
+      <property name="font">
+       <!--
+       <font>
+        <bold>true</bold>
+       </font>
+       -->
+      </property>
+      <property name="wordWrap">
+        <bool>true</bool>
+      </property>
+      <property name="alignment">
+       <set>Qt::AlignLeft</set>
+      </property>
+      <property name="textInteractionFlags">
+       <set>Qt::LinksAccessibleByMouse|Qt::TextSelectableByKeyboard|Qt::TextSelectableByMouse</set>
+      </property>
+      <property name="textFormat">
+       <!-- exlude remote content loading -->
+       <enum>Qt::PlainText</enum>
+      </property>
+     </widget>
+   </item>
+   <item>
+    <widget class="QScrollArea" name="scrollArea">
+     <property name="widgetResizable">
+      <bool>true</bool>
      </property>
+     <widget class="QLabel" name="detailValue">
+      <property name="text">
+        <string/>
+      </property>
+      <property name="wordWrap">
+        <bool>true</bool>
+      </property>
+      <property name="alignment">
+       <set>Qt::AlignLeft</set>
+      </property>
+      <property name="textInteractionFlags">
+       <set>Qt::LinksAccessibleByMouse|Qt::TextSelectableByKeyboard|Qt::TextSelectableByMouse</set>
+      </property>
+       <property name="textFormat">
+       <!-- exlude remote content loading -->
+       <enum>Qt::PlainText</enum>
+      </property>
+     </widget>
     </widget>
    </item>
    <item>
@@ -30,7 +73,7 @@
       <enum>Qt::Horizontal</enum>
      </property>
      <property name="standardButtons">
-      <set>QDialogButtonBox::Close|QDialogButtonBox::Save</set>
+      <set>QDialogButtonBox::Close</set>
      </property>
     </widget>
    </item>

src/qt/forms/kevadialog.ui

@@ -263,15 +263,55 @@
             <item>
               <layout class="QHBoxLayout" name="horizontalLayout_2">
                 <item>
-                  <widget class="QPushButton" name="showValueButton">
+                  <widget class="QPushButton" name="createButton">
                     <property name="enabled">
                       <bool>false</bool>
                     </property>
                     <property name="toolTip">
-                      <string>Show the selected request (does the same as double clicking an entry)</string>
+                      <string>Create new record</string>
                     </property>
                     <property name="text">
-                      <string>Show</string>
+                      <string>Create</string>
+                    </property>
+                    <property name="icon">
+                      <iconset resource="../bitcoin.qrc">
+                        <normaloff>:/icons/add</normaloff>:/icons/add</iconset>
+                    </property>
+                    <property name="autoDefault">
+                      <bool>false</bool>
+                    </property>
+                  </widget>
+                </item>
+                <item>
+                  <widget class="QPushButton" name="readButton">
+                    <property name="enabled">
+                      <bool>false</bool>
+                    </property>
+                    <property name="toolTip">
+                      <string>Read selected record</string>
+                    </property>
+                    <property name="text">
+                      <string>Read</string>
+                    </property>
+                    <property name="icon">
+                      <iconset resource="../bitcoin.qrc">
+                        <normaloff>:/icons/eye</normaloff>:/icons/eye</iconset>
+                    </property>
+                    <property name="autoDefault">
+                      <bool>false</bool>
+                    </property>
+                  </widget>
+                </item>
+                <item>
+                  <widget class="QPushButton" name="updateButton">
+                    <property name="enabled">
+                      <bool>false</bool>
+                    </property>
+                    <property name="toolTip">
+                      <string>Update selected record</string>
+                    </property>
+                    <property name="text">
+                      <string>Update</string>
                     </property>
                     <property name="icon">
                       <iconset resource="../bitcoin.qrc">
@@ -283,15 +323,15 @@
                   </widget>
                 </item>
                 <item>
-                  <widget class="QPushButton" name="removeButton">
+                  <widget class="QPushButton" name="deleteButton">
                     <property name="enabled">
                       <bool>false</bool>
                     </property>
                     <property name="toolTip">
-                      <string>Remove the selected entries from the list</string>
+                      <string>Delete the selected entries from the list</string>
                     </property>
                     <property name="text">
-                      <string>Remove</string>
+                      <string>Delete</string>
                     </property>
                     <property name="icon">
                       <iconset resource="../bitcoin.qrc">
@@ -302,26 +342,6 @@
                     </property>
                   </widget>
                 </item>
-                <item>
-                  <widget class="QPushButton" name="addKVButton">
-                    <property name="enabled">
-                      <bool>false</bool>
-                    </property>
-                    <property name="toolTip">
-                      <string>Add new key-value pair</string>
-                    </property>
-                    <property name="text">
-                      <string>Add key-value</string>
-                    </property>
-                    <property name="icon">
-                      <iconset resource="../bitcoin.qrc">
-                        <normaloff>:/icons/add</normaloff>:/icons/add</iconset>
-                    </property>
-                    <property name="autoDefault">
-                      <bool>false</bool>
-                    </property>
-                  </widget>
-                </item>
                 <item>
                   <spacer name="horizontalSpacer_2">
                     <property name="orientation">
@@ -355,8 +375,8 @@
     <tabstop>receiveButton</tabstop>
     <tabstop>clearButton</tabstop>
     <tabstop>recentRequestsView</tabstop>
-    <tabstop>showValueButton</tabstop>
-    <tabstop>removeButton</tabstop>
+    <tabstop>readButton</tabstop>
+    <tabstop>deleteButton</tabstop>
   </tabstops>
   <resources>
     <include location="../bitcoin.qrc"/>

src/qt/kevaaddkeydialog.cpp

@@ -28,6 +28,20 @@ KevaAddKeyDialog::~KevaAddKeyDialog()
     delete ui;
 }
 
+void KevaAddKeyDialog::setKey(const QString &value)
+{
+    ui->keyText->setText(
+        value
+    );
+}
+
+void KevaAddKeyDialog::setValue(const QString &value)
+{
+    ui->valueText->setPlainText(
+        value
+    );
+}
+
 void KevaAddKeyDialog::create()
 {
     KevaDialog* dialog = (KevaDialog*)this->parentWidget();

src/qt/kevaaddkeydialog.h

@@ -34,6 +34,8 @@ private:
 public Q_SLOTS:
     void create();
     void cancel();
+    void setKey(const QString& value);
+    void setValue(const QString& value);
     void onKeyChanged(const QString& key);
     void onValueChanged();
 };

src/qt/kevadetaildialog.cpp

@@ -17,40 +17,40 @@ KevaDetailDialog::KevaDetailDialog(const QModelIndex &idx, QWidget *parent, cons
     ui(new Ui::KevaDetailDialog)
 {
     ui->setupUi(this);
-    QModelIndex keyIdx = idx.sibling(idx.row(), KevaTableModel::Key);
-    QModelIndex valueIdx = idx.sibling(idx.row(), KevaTableModel::Value);
+
     this->nameSpace = nameSpace;
-    key = keyIdx.data(Qt::DisplayRole).toString();
-    setWindowTitle(tr("Value for %1").arg(key));
-    QString desc = valueIdx.data(Qt::DisplayRole).toString();
-    connect(ui->detailText, SIGNAL(textChanged()), this, SLOT(onValueChanged()));
-    //ui->detailText->setHtml(desc);
-    ui->detailText->setPlainText(desc);
-    ui->buttonBox->button(QDialogButtonBox::Save)->setEnabled(false);
-    connect(ui->buttonBox->button(QDialogButtonBox::Save), SIGNAL(clicked()), this, SLOT(onSave()));
+
+    setWindowTitle(
+        idx.sibling(
+            idx.row(),
+            KevaTableModel::Key
+        ).data(
+            Qt::DisplayRole
+        ).toString()
+    );
+
+    /* @TODO multi-tab data/meta browser
+        ui->detailKey->setText(
+        idx.sibling(
+            idx.row(),
+            KevaTableModel::Key
+        ).data(
+            Qt::DisplayRole
+        ).toString()
+    );
+    */
+
+    ui->detailValue->setText(
+        idx.sibling(
+            idx.row(),
+            KevaTableModel::Value
+        ).data(
+            Qt::DisplayRole
+        ).toString()
+    );
 }
 
 KevaDetailDialog::~KevaDetailDialog()
 {
     delete ui;
 }
-
-void KevaDetailDialog::onValueChanged()
-{
-    bool enabled = ui->detailText->toPlainText().length() > 0;
-    ui->buttonBox->button(QDialogButtonBox::Save)->setEnabled(enabled);
-}
-
-void KevaDetailDialog::onSave()
-{
-    KevaDialog* dialog = (KevaDialog*)this->parentWidget();
-    std::string keyText  = key.toStdString();
-    std::string valueText  = ui->detailText->toPlainText().toStdString();
-    std::string ns = nameSpace.toStdString();
-    if (!dialog->addKeyValue(ns, keyText, valueText)) {
-        QDialog::close();
-        return;
-    }
-    dialog->showNamespace(nameSpace);
-    QDialog::close();
-}

src/qt/kevadetaildialog.h

@@ -7,7 +7,6 @@
 
 #include <QObject>
 #include <QString>
-
 #include <QDialog>
 
 namespace Ui {
@@ -27,10 +26,6 @@ public:
     explicit KevaDetailDialog(const QModelIndex &idx, QWidget *parent, const QString &nameSpace);
     ~KevaDetailDialog();
 
-public Q_SLOTS:
-    void onValueChanged();
-    void onSave();
-
 private:
     Ui::KevaDetailDialog *ui;
     QString nameSpace;

src/qt/kevadialog.cpp

@@ -40,13 +40,16 @@ KevaDialog::KevaDialog(const PlatformStyle *_platformStyle, QWidget *parent) :
 
     if (!_platformStyle->getImagesOnButtons()) {
         ui->bookmarksButton->setIcon(QIcon());
-        ui->showValueButton->setIcon(QIcon());
-        ui->removeButton->setIcon(QIcon());
+        ui->createButton->setIcon(QIcon());
+        ui->readButton->setIcon(QIcon());
+        ui->updateButton->setIcon(QIcon());
+        ui->deleteButton->setIcon(QIcon());
     } else {
         ui->bookmarksButton->setIcon(_platformStyle->SingleColorIcon(":/icons/address-book"));
-        ui->showValueButton->setIcon(_platformStyle->SingleColorIcon(":/icons/edit"));
-        ui->removeButton->setIcon(_platformStyle->SingleColorIcon(":/icons/remove"));
-        ui->addKVButton->setIcon(_platformStyle->SingleColorIcon(":/icons/add"));
+        ui->createButton->setIcon(_platformStyle->SingleColorIcon(":/icons/add"));
+        ui->readButton->setIcon(_platformStyle->SingleColorIcon(":/icons/eye"));
+        ui->updateButton->setIcon(_platformStyle->SingleColorIcon(":/icons/edit"));
+        ui->deleteButton->setIcon(_platformStyle->SingleColorIcon(":/icons/remove"));
     }
 
     // context menu actions
@@ -158,10 +161,10 @@ void KevaDialog::onNamespaceChanged(const QString& nameSpace)
     valtype nameSpaceVal;
     bool isValidNamespace = false;
     if (DecodeKevaNamespace(namespaceStr, Params(), nameSpaceVal)) {
-        ui->addKVButton->setEnabled(true);
+        ui->createButton->setEnabled(true);
         isValidNamespace = true;
     } else {
-        ui->addKVButton->setEnabled(false);
+        ui->createButton->setEnabled(false);
         ui->bookmarkNamespace->setIcon(QIcon(":/icons/star_empty"));
     }
 
@@ -285,13 +288,22 @@ void KevaDialog::on_bookmarkNamespace_clicked()
 
 void KevaDialog::kevaView_selectionChanged()
 {
-    // Enable Show/Remove buttons only if anything is selected.
+    // Enable Read/Delete buttons only if anything is selected.
     bool enable = !ui->kevaView->selectionModel()->selectedRows().isEmpty();
-    ui->showValueButton->setEnabled(enable);
-    ui->removeButton->setEnabled(enable);
+    ui->readButton->setEnabled(enable);
+    ui->updateButton->setEnabled(enable);
+    ui->deleteButton->setEnabled(enable);
 }
 
-void KevaDialog::on_showValueButton_clicked()
+void KevaDialog::on_createButton_clicked()
+{
+    QString ns = ui->nameSpace->text();
+    KevaAddKeyDialog *dialog = new KevaAddKeyDialog(this, ns);
+    dialog->setAttribute(Qt::WA_DeleteOnClose);
+    dialog->show();
+}
+
+void KevaDialog::on_readButton_clicked()
 {
     if(!model || !model->getKevaTableModel() || !ui->kevaView->selectionModel())
         return;
@@ -302,7 +314,44 @@ void KevaDialog::on_showValueButton_clicked()
     }
 }
 
-void KevaDialog::on_removeButton_clicked()
+void KevaDialog::on_updateButton_clicked()
+{
+    QString ns = ui->nameSpace->text();
+
+    KevaAddKeyDialog *dialog = new KevaAddKeyDialog(this, ns);
+
+    if(!model || !model->getKevaTableModel() || !ui->kevaView->selectionModel())
+        return;
+
+    for (const QModelIndex& index : ui->kevaView->selectionModel()->selectedRows())
+    {
+        dialog->setKey(
+            index.sibling(
+                index.row(),
+                KevaTableModel::Key
+            ).data(
+                Qt::DisplayRole
+            ).toString()
+        );
+
+        dialog->setValue(
+            index.sibling(
+                index.row(),
+                KevaTableModel::Value
+            ).data(
+                Qt::DisplayRole
+            ).toString()
+        );
+    }
+
+    dialog->setAttribute(
+        Qt::WA_DeleteOnClose
+    );
+
+    dialog->show();
+}
+
+void KevaDialog::on_deleteButton_clicked()
 {
     if(!model || !model->getKevaTableModel() || !ui->kevaView->selectionModel())
         return;
@@ -351,14 +400,6 @@ void KevaDialog::on_removeButton_clicked()
     model->getKevaTableModel()->removeRows(firstIndex.row(), selection.length(), firstIndex.parent());
 }
 
-void KevaDialog::on_addKVButton_clicked()
-{
-    QString ns = ui->nameSpace->text();
-    KevaAddKeyDialog *dialog = new KevaAddKeyDialog(this, ns);
-    dialog->setAttribute(Qt::WA_DeleteOnClose);
-    dialog->show();
-}
-
 // We override the virtual resizeEvent of the QWidget to adjust tables column
 // sizes as the tables width is proportional to the dialogs width.
 void KevaDialog::resizeEvent(QResizeEvent *event)

src/qt/kevadialog.h

@@ -73,9 +73,10 @@ private Q_SLOTS:
     void on_showContent_clicked();
     void on_createNamespace_clicked();
     void on_listNamespaces_clicked();
-    void on_showValueButton_clicked();
-    void on_removeButton_clicked();
-    void on_addKVButton_clicked();
+    void on_createButton_clicked();
+    void on_readButton_clicked();
+    void on_updateButton_clicked();
+    void on_deleteButton_clicked();
     void on_kevaView_doubleClicked(const QModelIndex &index);
     void kevaView_selectionChanged();
     void on_bookmarksButton_clicked();