deprecation fix about qxmpp, beginning of adding email addresses in VCards

ui/widgets/vcard/emailsmodel.cpp

@@ -0,0 +1,145 @@
+/*
+ * Squawk messenger. 
+ * Copyright (C) 2019  Yury Gubich <blue@macaw.me>
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "emailsmodel.h"
+
+UI::VCard::EMailsModel::EMailsModel(bool p_edit, QObject* parent):
+    QAbstractTableModel(parent),
+    edit(p_edit),
+    deque()
+{
+}
+
+int UI::VCard::EMailsModel::columnCount(const QModelIndex& parent) const
+{
+    return 3;
+}
+
+int UI::VCard::EMailsModel::rowCount(const QModelIndex& parent) const
+{
+    return deque.size();
+}
+
+QVariant UI::VCard::EMailsModel::data(const QModelIndex& index, int role) const
+{
+    if (index.isValid()) {
+        int col = index.column();
+        switch (col) {
+            case 0:
+                switch (role) {
+                    case Qt::DisplayRole:
+                        return deque[index.row()].address;
+                    default:
+                        return QVariant();
+                }
+                break;
+            case 1:
+                switch (role) {
+                    case Qt::DisplayRole:
+                        return tr(Shared::VCard::Email::roleNames[deque[index.row()].role].toStdString().c_str());
+                    case Qt::EditRole: 
+                        return deque[index.row()].role;
+                    default:
+                        return QVariant();
+                }
+                break;
+            case 2:
+                switch (role) {
+                    case Qt::DisplayRole:
+                        return QVariant();
+                    case Qt::DecorationRole:
+                        if (deque[index.row()].prefered) {
+                            return Shared::icon("favorite", false);
+                        }
+                        return QVariant();
+                    default:
+                        return QVariant();
+                }
+                break;
+            default:
+                return QVariant();
+        }
+    }
+    return QVariant();
+}
+
+Qt::ItemFlags UI::VCard::EMailsModel::flags(const QModelIndex& index) const
+{
+    Qt::ItemFlags f = QAbstractTableModel::flags(index);
+    if (edit && index.column() != 2) {
+        f = Qt::ItemIsEditable | f;
+    }
+    return  f;
+}
+
+bool UI::VCard::EMailsModel::setData(const QModelIndex& index, const QVariant& value, int role)
+{
+    if (role == Qt::EditRole && checkIndex(index)) {
+        Shared::VCard::Email& item = deque[index.row()];
+        switch (index.column()) {
+            case 0:
+                item.address = value.toString();
+                return true;
+            case 1: {
+                quint8 newRole = value.toUInt();
+                if (newRole > Shared::VCard::Email::work) {
+                    return false;
+                }
+                item.role = static_cast<Shared::VCard::Email::Role>(newRole);
+                return true;
+            }
+            case 2: {
+                bool newDef = value.toBool();
+                if (newDef != item.prefered) {
+                    if (newDef) {
+                        dropPrefered();
+                    }
+                    item.prefered = newDef;
+                    return true;
+                }
+            }
+        }
+        return true;
+    }
+    return false;
+}
+
+
+bool UI::VCard::EMailsModel::dropPrefered()
+{
+    bool dropped = false;
+    int i = 0;
+    for (Shared::VCard::Email& email : deque) {
+        if (email.prefered) {
+            email.prefered = false;
+            QModelIndex ci = createIndex(i, 2, &email);
+            emit dataChanged(ci, ci);
+            dropped = true;
+        }
+        ++i;
+    }
+    return dropped;
+}
+
+QModelIndex UI::VCard::EMailsModel::addNewEmptyLine()
+{
+    beginInsertRows(QModelIndex(), deque.size(), deque.size());
+    deque.emplace_back("");
+    endInsertRows();
+    return createIndex(deque.size() - 1, 0, &(deque.back()));
+}