camerauis/cameraxui/cxui/src/cxuisettingradiobuttonlist.cpp
changeset 19 d9aefe59d544
child 21 fa6d9f75d6a6
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraxui/cxui/src/cxuisettingradiobuttonlist.cpp	Fri Apr 16 14:51:30 2010 +0300
@@ -0,0 +1,205 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:
+*
+*/
+
+#include "cxutils.h"
+#include "cxeengine.h"
+#include "cxuisettingsinfo.h"
+#include "cxesettings.h"
+#include "cxuisettingradiobuttonlist.h"
+#include "cxuisettingradiobuttonlistmodel.h"
+
+CxuiSettingRadioButtonList::CxuiSettingRadioButtonList(QGraphicsItem *parent, CxeEngine *engine)
+: HbRadioButtonList(parent),
+  mEngine(engine),
+  mSettingId(),
+  mSettingValues(),
+  mOriginalIndex(0)
+{
+    CX_ASSERT_ALWAYS(mEngine);
+
+    mListModel = new CxuiSettingRadioButtonListModel();
+    setModel(mListModel);
+
+    // connect the signals again
+    connect(this, SIGNAL(itemSelected(int)), this, SLOT(handleItemSelected(int)));
+}
+
+
+void CxuiSettingRadioButtonList::init(CxUiSettings::RadioButtonListParams *data)
+{
+    // first we reset the model and clear any previous data
+    mSettingValues.clear();
+    mListModel->resetModel();
+
+    disconnect(SIGNAL(valueSelected(int)));
+
+    if (data) {
+        QStringList settingStrings;
+        mSettingValues.clear();
+
+        CxUiSettings::SettingItem setting;
+        foreach (setting, data->mSettingPairList) {
+            settingStrings.append(setting.mItem); // setting string
+            mSettingValues.append(setting.mValue); // engine value for setting
+        }
+
+        // Set the setting strings to the model.
+        setItems(settingStrings);
+        // Set the preview mode.
+        // Note: We implement preview ourselves, not with HbRadioButtonList preview mode.
+        setPreviewMode(HbRadioButtonList::NoPreview);
+        mPreview = data->mPreview;
+
+        setSettingId(data->mSettingId);
+        setListBoxType(data->mListboxType);
+    }
+
+}
+
+void CxuiSettingRadioButtonList::setItems(const QStringList &values)
+{
+    mListModel->setItems(values);
+}
+
+void CxuiSettingRadioButtonList::setListBoxType(int type)
+{
+    mListModel->setListBoxType(type);
+}
+
+
+void CxuiSettingRadioButtonList::setSettingId(const QString &id)
+{
+    // Selected item is updated, when this list is shown.
+    mSettingId = id;
+}
+
+
+
+void CxuiSettingRadioButtonList::handleItemSelected(int index)
+{
+    CX_DEBUG_ENTER_FUNCTION();
+
+    if (mPreview) {
+        commit(index);
+    } else {
+        // no action needed
+    }
+    CX_DEBUG_EXIT_FUNCTION();
+}
+
+void CxuiSettingRadioButtonList::showEvent(QShowEvent *event)
+{
+    CX_DEBUG_ENTER_FUNCTION();
+
+    initOriginalSelectedItem();
+    QGraphicsWidget::showEvent(event);
+
+    CX_DEBUG_EXIT_FUNCTION();
+}
+
+
+/*!
+*  Get the value currently active in settings.
+*/
+void CxuiSettingRadioButtonList::initOriginalSelectedItem()
+{
+    CX_DEBUG_ENTER_FUNCTION();
+
+    QString value;
+    int err = mEngine->settings().get(mSettingId, value);
+
+    int index = 0;
+
+    if (err == CxeError::None) {
+        index = mSettingValues.indexOf(QVariant(value));
+    }
+
+    mOriginalIndex = index;
+    setSelected(mOriginalIndex);
+
+    CX_DEBUG_EXIT_FUNCTION();
+}
+
+/*!
+    This slot can be used to set the selection accepted.
+*/
+void CxuiSettingRadioButtonList::handleSelectionAccepted()
+{
+    CX_DEBUG_ENTER_FUNCTION();
+
+    // Ok button pressed. Update originally selected item,
+    // which is the one that always get's set when closing.
+    mOriginalIndex = selected();
+
+    emit selectionCommitted();
+
+    CX_DEBUG_EXIT_FUNCTION();
+}
+
+void CxuiSettingRadioButtonList::handleClose()
+{
+    CX_DEBUG_ENTER_FUNCTION();
+
+    if (!mSettingId.isEmpty()) {
+        // If handleSelectionAccepted was called, this now contains the new index,
+        // otherwise the original one is selected.
+        commit(mOriginalIndex);
+    }
+
+    // clear settings id so setting value doesn't get updated by
+    // accident when updating ui appearance
+    mSettingId.clear();
+
+    CX_DEBUG_EXIT_FUNCTION();
+}
+
+
+
+/*!
+  Commits value to the cenrep store.
+*/
+void CxuiSettingRadioButtonList::commit(int index)
+{
+    CX_DEBUG_ENTER_FUNCTION();
+
+    CX_DEBUG(("id: %s", mSettingId.toAscii().data()));
+
+    if (!mSettingId.isEmpty() && !mSettingValues.isEmpty()) {
+        QVariant value = mSettingValues.at(index);
+        if (value.canConvert<int>()) {
+            CX_DEBUG(("index:%d value:%d", index, value.toInt()));
+
+            // Don't set the value again, if it is the current value.
+            // For e.g. video quality it would result in re-preparation etc.
+            int current(0);
+            CxeError::Id status(mEngine->settings().get(mSettingId, current));
+
+            if (status != CxeError::None || current != value.toInt()) {
+                mEngine->settings().set(mSettingId, value.toInt());
+            }
+            // inform interested clients about value changed event
+            emit valueSelected(value.toInt());
+        } else if(value.canConvert<QString>()) {
+            CX_DEBUG(("index:%d value:[%s]", index, value.toString().toAscii().constData()));
+            mEngine->settings().set(mSettingId, value.toString());
+        }
+    }
+
+    CX_DEBUG_EXIT_FUNCTION();
+}
+
+// end of file