add formatter configuration to ui

sources/awesome-widget/plugin/awformatterconfig.cpp

@@ -0,0 +1,159 @@
+/***************************************************************************
+ *   This file is part of awesome-widgets                                  *
+ *                                                                         *
+ *   awesome-widgets 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.                       *
+ *                                                                         *
+ *   awesome-widgets 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 awesome-widgets. If not, see http://www.gnu.org/licenses/  *
+ ***************************************************************************/
+
+#include "awformatterconfig.h"
+#include "ui_awformatterconfig.h"
+
+#include <KI18n/KLocalizedString>
+
+#include "awabstractselector.h"
+#include "awdebug.h"
+#include "awformatterhelper.h"
+
+
+AWFormatterConfig::AWFormatterConfig(QWidget *parent, const QStringList keys)
+    : QDialog(parent)
+    , ui(new Ui::AWFormatterConfig)
+    , m_keys(keys)
+{
+    qCDebug(LOG_AW) << __PRETTY_FUNCTION__;
+
+    ui->setupUi(this);
+    init();
+
+    connect(ui->buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
+    connect(ui->buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
+}
+
+
+AWFormatterConfig::~AWFormatterConfig()
+{
+    qCDebug(LOG_AW) << __PRETTY_FUNCTION__;
+
+    clearSelectors();
+
+    delete m_helper;
+    delete ui;
+}
+
+
+void AWFormatterConfig::showDialog()
+{
+    clearSelectors();
+    QHash<QString, QString> appliedFormatters = m_helper->getFormatters();
+    auto keys = initKeys();
+
+    for (auto key : appliedFormatters.keys())
+        addSelector(keys.first, keys.second,
+                    QPair<QString, QString>(key, appliedFormatters[key]));
+    // empty one
+    addSelector(keys.first, keys.second, QPair<QString, QString>());
+
+    // exec dialog
+    return execDialog();
+}
+
+
+void AWFormatterConfig::updateUi()
+{
+    QPair<QString, QString> current
+        = static_cast<AWAbstractSelector *>(sender())->current();
+    int index
+        = m_selectors.indexOf(static_cast<AWAbstractSelector *>(sender()));
+
+    if ((current.first.isEmpty()) && (current.second.isEmpty())) {
+        if (sender() == m_selectors.last())
+            return;
+        AWAbstractSelector *selector = m_selectors.takeAt(index);
+        ui->verticalLayout->removeWidget(selector);
+        selector->deleteLater();
+    } else {
+        if (sender() != m_selectors.last())
+            return;
+        auto keys = initKeys();
+        addSelector(keys.first, keys.second, QPair<QString, QString>());
+    }
+}
+
+
+void AWFormatterConfig::addSelector(const QStringList &keys,
+                                    const QStringList &values,
+                                    const QPair<QString, QString> &current)
+{
+    qCDebug(LOG_AW) << "Add selector with keys" << keys << "values" << values
+                    << "and current ones" << current;
+
+    AWAbstractSelector *selector
+        = new AWAbstractSelector(ui->scrollAreaWidgetContents);
+    selector->init(keys, values, current);
+    ui->verticalLayout->insertWidget(ui->verticalLayout->count() - 1, selector);
+    connect(selector, SIGNAL(selectionChanged()), this, SLOT(updateUi()));
+    m_selectors.append(selector);
+}
+
+
+void AWFormatterConfig::clearSelectors()
+{
+    for (auto selector : m_selectors)
+        disconnect(selector, SIGNAL(selectionChanged()), this,
+                   SLOT(updateUi()));
+    m_selectors.clear();
+}
+
+
+void AWFormatterConfig::execDialog()
+{
+    int ret = exec();
+    QHash<QString, QString> data;
+    for (auto selector : m_selectors) {
+        QPair<QString, QString> select = selector->current();
+        if ((select.first.isEmpty()) || (select.second.isEmpty()))
+            continue;
+        data[select.first] = select.second;
+    }
+
+    // save configuration if required
+    switch (ret) {
+    case 0:
+        break;
+    case 1:
+    default:
+        m_helper->writeFormatters(data);
+        break;
+    }
+}
+
+
+void AWFormatterConfig::init()
+{
+    delete m_helper;
+    m_helper = new AWFormatterHelper(this);
+}
+
+
+QPair<QStringList, QStringList> AWFormatterConfig::initKeys() const
+{
+    // we are adding empty string at the start
+    QStringList keys = QStringList() << QString("");
+    keys.append(m_keys);
+    keys.sort();
+    QStringList knownFormatters = QStringList() << QString("");
+    knownFormatters.append(m_helper->knownFormatters());
+    knownFormatters.sort();
+
+    return QPair<QStringList, QStringList>(keys, knownFormatters);
+}