From a0581f28aaaa0b13df7513d2461954d1848c3076 Mon Sep 17 00:00:00 2001
From: Just Wonder <jianpingw@gmail.com>
Date: Sun, 12 Apr 2020 21:21:56 -0700
Subject: [PATCH] WIP: allow modification of value.

---
 src/qt/forms/kevadetaildialog.ui |  4 ++--
 src/qt/kevadetaildialog.cpp      | 34 +++++++++++++++++++++++++++++---
 src/qt/kevadetaildialog.h        |  8 +++++++-
 src/qt/kevadialog.cpp            |  3 ++-
 4 files changed, 42 insertions(+), 7 deletions(-)

diff --git a/src/qt/forms/kevadetaildialog.ui b/src/qt/forms/kevadetaildialog.ui
index 8788f55e6..6bb86bbd8 100644
--- a/src/qt/forms/kevadetaildialog.ui
+++ b/src/qt/forms/kevadetaildialog.ui
@@ -20,7 +20,7 @@
       <string>This pane shows the value associated with a give key</string>
      </property>
      <property name="readOnly">
-      <bool>true</bool>
+      <bool>false</bool>
      </property>
     </widget>
    </item>
@@ -30,7 +30,7 @@
       <enum>Qt::Horizontal</enum>
      </property>
      <property name="standardButtons">
-      <set>QDialogButtonBox::Close</set>
+      <set>QDialogButtonBox::Close|QDialogButtonBox::Save</set>
      </property>
     </widget>
    </item>
diff --git a/src/qt/kevadetaildialog.cpp b/src/qt/kevadetaildialog.cpp
index 0da1ea9b7..8e9376dd4 100644
--- a/src/qt/kevadetaildialog.cpp
+++ b/src/qt/kevadetaildialog.cpp
@@ -6,23 +6,51 @@
 #include <qt/forms/ui_kevadetaildialog.h>
 
 #include <qt/kevatablemodel.h>
+#include <qt/kevadialog.h>
 
 #include <QModelIndex>
+#include <QPushButton>
 
-KevaDetailDialog::KevaDetailDialog(const QModelIndex &idx, QWidget *parent) :
+
+KevaDetailDialog::KevaDetailDialog(const QModelIndex &idx, QWidget *parent, const QString &nameSpace) :
     QDialog(parent),
     ui(new Ui::KevaDetailDialog)
 {
     ui->setupUi(this);
     QModelIndex keyIdx = idx.sibling(idx.row(), KevaTableModel::Key);
     QModelIndex valueIdx = idx.sibling(idx.row(), KevaTableModel::Value);
-    setWindowTitle(tr("Value for %1").arg(keyIdx.data(Qt::DisplayRole).toString()));
+    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()));
 }
 
 KevaDetailDialog::~KevaDetailDialog()
 {
     delete ui;
-}
\ No newline at end of file
+}
+
+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();
+}
diff --git a/src/qt/kevadetaildialog.h b/src/qt/kevadetaildialog.h
index a4a43e105..597eb1bc4 100644
--- a/src/qt/kevadetaildialog.h
+++ b/src/qt/kevadetaildialog.h
@@ -24,11 +24,17 @@ class KevaDetailDialog : public QDialog
     Q_OBJECT
 
 public:
-    explicit KevaDetailDialog(const QModelIndex &idx, QWidget *parent = 0);
+    explicit KevaDetailDialog(const QModelIndex &idx, QWidget *parent, const QString &nameSpace);
     ~KevaDetailDialog();
 
+public Q_SLOTS:
+    void onValueChanged();
+    void onSave();
+
 private:
     Ui::KevaDetailDialog *ui;
+    QString nameSpace;
+    QString key;
 };
 
 #endif // BITCOIN_QT_KEVADETAILDIALOG_H
diff --git a/src/qt/kevadialog.cpp b/src/qt/kevadialog.cpp
index f1e0add02..c9e5230ca 100644
--- a/src/qt/kevadialog.cpp
+++ b/src/qt/kevadialog.cpp
@@ -207,7 +207,8 @@ void KevaDialog::on_showContent_clicked()
 
 void KevaDialog::on_kevaView_doubleClicked(const QModelIndex &index)
 {
-    KevaDetailDialog *dialog = new KevaDetailDialog(index, this);
+    QString nameSpace = ui->nameSpace->text();
+    KevaDetailDialog *dialog = new KevaDetailDialog(index, this, nameSpace);
     dialog->setAttribute(Qt::WA_DeleteOnClose);
     dialog->show();
 }