/*

* Copyright (c) 2010 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 "settingsview.h"

#include <HbAction>

#include <HbToolBar>

#include <HbDataForm>

#include <HbDataFormModel>

#include <HbDataFormModelItem>

#include <HbDataFormViewItem>

#include <HbLineEdit>

#include <HbPushButton>

#include "enginewrapper.h"

const QStringList PRIORITY_ITEMS = QStringList() << SettingsView::tr("Much less") <<

    SettingsView::tr("Less") << SettingsView::tr("Normal") <<

    SettingsView::tr("More") << SettingsView::tr("Much more") <<

    SettingsView::tr("Real time") << SettingsView::tr("Abs. very low") <<

    SettingsView::tr("Abs. low") << SettingsView::tr("Abs background") <<

    SettingsView::tr("Abs. foreground") << SettingsView::tr("Abs high");

const QStringList CPU_SAMPLING = QStringList() << SettingsView::tr("CPU Time") <<

    SettingsView::tr("NOPs");

const QStringList POPUP_LOCATION = QStringList() << SettingsView::tr("Top right") <<

    SettingsView::tr("Bottom middle");

const QStringList POPUP_VISIBILITY = QStringList() << SettingsView::tr("On") <<

    SettingsView::tr("Backgr. only") << SettingsView::tr("Off");

const QStringList SOURCES = QStringList() << SettingsView::tr("CPU") <<

    SettingsView::tr("Ram") << SettingsView::tr("C:") << SettingsView::tr("D:") <<

    SettingsView::tr("E:") << SettingsView::tr("F:") << SettingsView::tr("G:") <<

    SettingsView::tr("H:") << SettingsView::tr("I:") << SettingsView::tr("Power");

const QStringList LOG_MODES = QStringList() << SettingsView::tr("RDebug") <<

    SettingsView::tr("Log file") << SettingsView::tr("RDebug & log file");

SettingsView::SettingsView(EngineWrapper &engine)

    : mEngine(engine), mLogFilePathItem(0)

{

    setTitle(tr("Settings"));

    //create toolbar showing launch popup

    HbToolBar *toolBar = this->toolBar();

    HbAction *actionOk = new HbAction(tr("Ok"), toolBar);

    HbAction *actionCancel = new HbAction(tr("Cancel"), toolBar);

    toolBar->addAction(actionOk);

    toolBar->addAction(actionCancel);

    //create setting form

    mSettingsForm = new HbDataForm();

    //create a model class

    mModel = new HbDataFormModel(this);

    createModel(*mModel);

    load(engine.settings());

    connect(mSettingsForm, SIGNAL(itemShown(const QModelIndex)),

            this, SLOT(dataItemDisplayed(const QModelIndex)));

    // Set created model to form

    mSettingsForm->setModel(mModel);

    setWidget(mSettingsForm);

    connect(actionOk, SIGNAL(triggered()), this, SLOT(accept()));

    connect(actionCancel, SIGNAL(triggered()), this, SLOT(reject()));

    connect(this, SIGNAL(aboutToClose()), this, SLOT(accept()));

}

void SettingsView::createModel(HbDataFormModel &model)

{

    // General page

    HbDataFormModelItem *generalPage = model.appendDataFormPage(tr("General"));

    mHeartBeatItem = model.appendDataFormItem(

            HbDataFormModelItem::TextItem, tr("Heart beat (ms)"), generalPage);

    mHeartBeatItem->setContentWidgetData("maximum", 99999);

    mHeartBeatItem->setContentWidgetData("minimum", 0);

    mHeartBeatItem->setContentWidgetData("inputMethodHints", Qt::ImhDigitsOnly);

    mMaxSamplesItem = model.appendDataFormItem(

            HbDataFormModelItem::TextItem, tr("Max samples"), generalPage);

    mMaxSamplesItem->setContentWidgetData("maximum", 9999);

    mMaxSamplesItem->setContentWidgetData("minimum", 0);

    mMaxSamplesItem->setContentWidgetData("inputMethodHints", Qt::ImhDigitsOnly);

    mPriorityItem = model.appendDataFormItem(

            HbDataFormModelItem::RadioButtonListItem, tr("Priority"), generalPage);

    mPriorityItem->setContentWidgetData("items", PRIORITY_ITEMS);

    mCpuSamplingItem = model.appendDataFormItem(

            HbDataFormModelItem::RadioButtonListItem, tr("CPU sampling mode"), generalPage);

    mCpuSamplingItem->setContentWidgetData("items", CPU_SAMPLING);

    mKeepBacklightItem = model.appendDataFormItem(

            HbDataFormModelItem::CheckBoxItem, tr("Backlight"), generalPage);

    mKeepBacklightItem->setContentWidgetData("text", tr("Keep backlight on"));

    mPowerMonitoringEnabledItem = model.appendDataFormItem(

            HbDataFormModelItem::CheckBoxItem, tr("Power"), generalPage);

    mPowerMonitoringEnabledItem->setContentWidgetData("text", tr("Enable power monitoring"));

    // Gray out selection if feature is not supported.

    if (!mEngine.PowerMonitoringSupported())

        {

        mPowerMonitoringEnabledItem->setEnabled(false);

        }

    // Data popup page

    HbDataFormModelItem *dataPopupPage = model.appendDataFormPage(tr("Data popup"));

    mPopupVisibilityItem = model.appendDataFormItem(

            HbDataFormModelItem::RadioButtonListItem, tr("Visibility"),

            dataPopupPage);

    mPopupVisibilityItem->setContentWidgetData("items", POPUP_VISIBILITY);

    mPopupLocationItem = model.appendDataFormItem(

            HbDataFormModelItem::RadioButtonListItem, tr("Location"), dataPopupPage);

    mPopupLocationItem->setContentWidgetData("items", POPUP_LOCATION);

    mPopupSourcesItem = model.appendDataFormItem(

            HbDataFormModelItem::MultiselectionItem, tr("Sources"), dataPopupPage);

    mPopupSourcesItem->setContentWidgetData("items", SOURCES);

    // Graphs page

    HbDataFormModelItem *graphsPage = model.appendDataFormPage(tr("Graphs"));

    mVerticalBarPeriodItem = model.appendDataFormItem(

            HbDataFormModelItem::TextItem, tr("Vertical bar period (s)"), graphsPage);

    mVerticalBarPeriodItem->setContentWidgetData("maximum", 999);

    mVerticalBarPeriodItem->setContentWidgetData("minimum", 0);

    mVerticalBarPeriodItem->setContentWidgetData("inputMethodHints", Qt::ImhDigitsOnly);

    mGraphSourcesItem = model.appendDataFormItem(

            HbDataFormModelItem::MultiselectionItem, tr("Sources"), graphsPage);

    mGraphSourcesItem->setContentWidgetData("items", SOURCES);

    // Logging page

    mLogPage = model.appendDataFormPage(tr("Logging"));

    mLogModeItem = model.appendDataFormItem(

            HbDataFormModelItem::RadioButtonListItem, tr("Mode"), mLogPage);

    mLogModeItem->setContentWidgetData("items", LOG_MODES);

    mSettingsForm->addConnection(mLogModeItem, SIGNAL(itemSelected(int)),

                                 this, SLOT(logModeChanged(int)));

    mLogSourcesItem = model.appendDataFormItem(

            HbDataFormModelItem::MultiselectionItem, tr("Sources"), mLogPage);

    mLogSourcesItem->setContentWidgetData("items", SOURCES);

}

void SettingsView::load(const PerfMonSettings& settings)

{

    mHeartBeatItem->setContentWidgetData("text", settings.heartBeat());

    mMaxSamplesItem->setContentWidgetData("text", settings.maxSamples());

    mPriorityItem->setContentWidgetData("selected", settings.priority());

    mCpuSamplingItem->setContentWidgetData("selected", settings.cpuMode());

    mKeepBacklightItem->setContentWidgetData("checkState", settings.keepBacklightOn() ? Qt::Checked : Qt::Unchecked);

    mPowerMonitoringEnabledItem->setContentWidgetData("checkState", settings.powerMonitoringEnabled() ? Qt::Checked : Qt::Unchecked);

    mPopupVisibilityItem->setContentWidgetData("selected", settings.dataPopupVisibility());

    mPopupLocationItem->setContentWidgetData("selected", settings.dataPopupLocation());

    mPopupSourcesItem->setContentWidgetData("selectedItems",

            qVariantFromValue(settings.dataPopupSources().enabledIndexes()));

    mVerticalBarPeriodItem->setContentWidgetData("text", settings.graphVerticalBarPeriod());

    mGraphSourcesItem->setContentWidgetData("selectedItems",

            qVariantFromValue(settings.graphSources().enabledIndexes()));

    mLogModeItem->setContentWidgetData("selected", settings.loggingMode());

    mLogFilePath = settings.loggingFilePath();

    if (settings.loggingMode() > ELoggingModeRDebug)

        createLogFilePathItem();

    mLogSourcesItem->setContentWidgetData("selectedItems",

            qVariantFromValue(settings.loggingSources().enabledIndexes()));

}

void SettingsView::save(PerfMonSettings& settings)

{

    settings.setHeartBeat(mHeartBeatItem->contentWidgetData("text").toInt());

    settings.setMaxSamples(mMaxSamplesItem->contentWidgetData("text").toInt());

    settings.setPriority(mPriorityItem->contentWidgetData("selected").toInt());

    settings.setCpuMode(mCpuSamplingItem->contentWidgetData("selected").toInt());

    settings.setKeepBacklightOn(mKeepBacklightItem->contentWidgetData("checkState").toInt() == Qt::Checked);

    settings.setPowerMonitoringEnabled(mPowerMonitoringEnabledItem->contentWidgetData("checkState").toInt() == Qt::Checked);

    settings.setDataPopupVisibility(mPopupVisibilityItem->contentWidgetData("selected").toInt());

    settings.setDataPopupLocation(mPopupLocationItem->contentWidgetData("selected").toInt());

    settings.dataPopupSources().setEnabledIndexes(

            qVariantValue<QList<QVariant> >(mPopupSourcesItem->contentWidgetData("selectedItems")));

    settings.setGraphVerticalBarPeriod(mVerticalBarPeriodItem->contentWidgetData("text").toInt());

    settings.graphSources().setEnabledIndexes(

            qVariantValue<QList<QVariant> >(mGraphSourcesItem->contentWidgetData("selectedItems")));

    settings.setLoggingMode(mLogModeItem->contentWidgetData("selected").toInt());

    if (mLogFilePathItem)

        settings.setLoggingFilePath(mLogFilePathItem->contentWidgetData("text").toString());

    settings.loggingSources().setEnabledIndexes(

            qVariantValue<QList<QVariant> >(mLogSourcesItem->contentWidgetData("selectedItems")));

}

void SettingsView::dataItemDisplayed(const QModelIndex &index)

{

    HbDataFormModelItem* modelItem = mModel->itemFromIndex(index);

    HbDataFormViewItem *viewItem = static_cast<HbDataFormViewItem*>(mSettingsForm->itemByIndex(index));

    HbWidget *dataContentWidget = viewItem->dataItemContentWidget();

    // set input method hint for edits

    // TODO: remove once setContentWidgetData works with inputMethodHints

    if (modelItem == mHeartBeatItem ||

        modelItem == mMaxSamplesItem ||

        modelItem == mVerticalBarPeriodItem)

    {

        HbLineEdit *edit = static_cast<HbLineEdit*>(dataContentWidget);

        edit->setInputMethodHints(Qt::ImhDigitsOnly);

    }

}

void SettingsView::logModeChanged(int index)

{

    if (index == ELoggingModeRDebug && mLogFilePathItem) {

        removeLogFilePathItem();

    }

    else if (index != ELoggingModeRDebug && !mLogFilePathItem) {

        createLogFilePathItem();

    }

}

void SettingsView::createLogFilePathItem()

{

    mLogFilePathItem = mModel->insertDataFormItem(mLogPage->indexOf(mLogModeItem) + 1,

            HbDataFormModelItem::TextItem, tr("Log file path"), mLogPage);

    mLogFilePathItem->setContentWidgetData("text", mLogFilePath);

}

void SettingsView::removeLogFilePathItem()

{

    // we need to store current text so that it is not lost when 

    // user hides and then displays "Log file path" item again.

    mLogFilePath = mLogFilePathItem->contentWidgetData("text").toString();

    mModel->removeItem(mLogFilePathItem);

    mLogFilePathItem = 0;

}

void SettingsView::accept()

{

    save(mEngine.settings());

    mEngine.updateSettings();

    emit finished(true);

}

void SettingsView::reject()

{

    emit finished(false);

}