From c316fdffeca8c49ea20be27e6e007b13f6a9a4c2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jo=C3=A3o=20Barbosa?= <joao.paulo.barbosa@gmail.com>
Date: Wed, 3 Jan 2018 16:00:18 +0000
Subject: [qt] Add support to search the address book

---
 src/qt/addressbookpage.cpp      | 57 +++++++++++++++++++++++++++++------------
 src/qt/addressbookpage.h        |  4 +--
 src/qt/forms/addressbookpage.ui |  7 +++++
 3 files changed, 49 insertions(+), 19 deletions(-)

(limited to 'src/qt')

diff --git a/src/qt/addressbookpage.cpp b/src/qt/addressbookpage.cpp
index 517aa49e2b..78dc9f81dd 100644
--- a/src/qt/addressbookpage.cpp
+++ b/src/qt/addressbookpage.cpp
@@ -21,6 +21,41 @@
 #include <QMessageBox>
 #include <QSortFilterProxyModel>
 
+class AddressBookSortFilterProxyModel final : public QSortFilterProxyModel
+{
+    const QString m_type;
+
+public:
+    AddressBookSortFilterProxyModel(const QString& type, QObject* parent)
+        : QSortFilterProxyModel(parent)
+        , m_type(type)
+    {
+        setDynamicSortFilter(true);
+        setFilterCaseSensitivity(Qt::CaseInsensitive);
+        setSortCaseSensitivity(Qt::CaseInsensitive);
+    }
+
+protected:
+    bool filterAcceptsRow(int row, const QModelIndex& parent) const
+    {
+        auto model = sourceModel();
+        auto label = model->index(row, AddressTableModel::Label, parent);
+
+        if (model->data(label, AddressTableModel::TypeRole).toString() != m_type) {
+            return false;
+        }
+
+        auto address = model->index(row, AddressTableModel::Address, parent);
+
+        if (filterRegExp().indexIn(model->data(address).toString()) < 0 &&
+            filterRegExp().indexIn(model->data(label).toString()) < 0) {
+            return false;
+        }
+
+        return true;
+    }
+};
+
 AddressBookPage::AddressBookPage(const PlatformStyle *platformStyle, Mode _mode, Tabs _tab, QWidget *parent) :
     QDialog(parent),
     ui(new Ui::AddressBookPage),
@@ -113,24 +148,12 @@ void AddressBookPage::setModel(AddressTableModel *_model)
     if(!_model)
         return;
 
-    proxyModel = new QSortFilterProxyModel(this);
+    auto type = tab == ReceivingTab ? AddressTableModel::Receive : AddressTableModel::Send;
+    proxyModel = new AddressBookSortFilterProxyModel(type, this);
     proxyModel->setSourceModel(_model);
-    proxyModel->setDynamicSortFilter(true);
-    proxyModel->setSortCaseSensitivity(Qt::CaseInsensitive);
-    proxyModel->setFilterCaseSensitivity(Qt::CaseInsensitive);
-    switch(tab)
-    {
-    case ReceivingTab:
-        // Receive filter
-        proxyModel->setFilterRole(AddressTableModel::TypeRole);
-        proxyModel->setFilterFixedString(AddressTableModel::Receive);
-        break;
-    case SendingTab:
-        // Send filter
-        proxyModel->setFilterRole(AddressTableModel::TypeRole);
-        proxyModel->setFilterFixedString(AddressTableModel::Send);
-        break;
-    }
+
+    connect(ui->searchLineEdit, SIGNAL(textChanged(QString)), proxyModel, SLOT(setFilterWildcard(QString)));
+
     ui->tableView->setModel(proxyModel);
     ui->tableView->sortByColumn(0, Qt::AscendingOrder);
 
diff --git a/src/qt/addressbookpage.h b/src/qt/addressbookpage.h
index 54a43478d1..8877d07330 100644
--- a/src/qt/addressbookpage.h
+++ b/src/qt/addressbookpage.h
@@ -7,6 +7,7 @@
 
 #include <QDialog>
 
+class AddressBookSortFilterProxyModel;
 class AddressTableModel;
 class PlatformStyle;
 
@@ -18,7 +19,6 @@ QT_BEGIN_NAMESPACE
 class QItemSelection;
 class QMenu;
 class QModelIndex;
-class QSortFilterProxyModel;
 QT_END_NAMESPACE
 
 /** Widget that shows a list of sending or receiving addresses.
@@ -53,7 +53,7 @@ private:
     Mode mode;
     Tabs tab;
     QString returnValue;
-    QSortFilterProxyModel *proxyModel;
+    AddressBookSortFilterProxyModel *proxyModel;
     QMenu *contextMenu;
     QAction *deleteAction; // to be able to explicitly disable it
     QString newAddressToSelect;
diff --git a/src/qt/forms/addressbookpage.ui b/src/qt/forms/addressbookpage.ui
index 264edeb720..7ac216286c 100644
--- a/src/qt/forms/addressbookpage.ui
+++ b/src/qt/forms/addressbookpage.ui
@@ -21,6 +21,13 @@
      </property>
     </widget>
    </item>
+   <item>
+    <widget class="QLineEdit" name="searchLineEdit">
+     <property name="placeholderText">
+      <string>Enter address or label to search</string>
+     </property>
+    </widget>
+   </item>
    <item>
     <widget class="QTableView" name="tableView">
      <property name="contextMenuPolicy">
-- 
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