/*

 * 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 <hbmainwindow>

#include <hbdataform>

#include <hbdataformmodel>

#include <hbdataformmodelitem>

#include <hbdataformviewitem>

#include <qgraphicslinearlayout>

#include <qvalidator>

#include <qintvalidator>

#include <qmodelindex>

#include <hblineedit>

#include <hbvalidator>

#include <hbeditorinterface>

#include <hbabstractitemview.h>

#include "pisettingsview.h"

#include "pimainview.h"

#include "notifications.h"

#include "piprofilerengine.h"

#include "pluginattributes.h"

const QStringList OUTPUTMODES = (QStringList() << "Debug output" << "File system");

PISettingsView::PISettingsView(PIProfilerEngine *engine) :

    mEngine(engine), mGeneralAttributes(), mPluginList(0), mSettingForm(0), mModel(0),

        mGeneralSettingsGroup(0), mPluginSettingsGroup(0), mOutputItem(0), mFileLocation(0),

        mPrefix(0), mSamplingPeriod(0)

{

    this->setTitle("Settings");

    //create setting form

    mSettingForm = new HbDataForm(this);

    //create a model class

    mModel = new HbDataFormModel(this);

    this->createGeneralSettingForms();

    // Set created model model to form

    mSettingForm->setModel(mModel);

    // Set widget into view

    setWidget(mSettingForm);

    // load general settings into data form

    loadGeneralSettings();

    // Let us know when list is shown

    connect(mSettingForm, SIGNAL(itemShown(const QModelIndex)), this,

        SLOT(addTextValidators(const QModelIndex)));

    // Set general group as expanded. 

    /*HbDataFormViewItem *viewItem = mSettingForm->dataFormViewItem(mModel->indexFromItem( 

        mGeneralSettingsGroup));

    viewItem->setExpanded(true);*/

}

// ---------------------------------------------------------------------------

PISettingsView::~PISettingsView()

{

    if (mSettingForm != 0) {

        delete mSettingForm;

        mSettingForm = 0;

    }

    if (mModel != 0) {

        delete mModel;

        mModel = 0;

    }

}

// ---------------------------------------------------------------------------

void PISettingsView::addTextValidators(const QModelIndex index)

{

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

    // Check if item is integer text box

    if (modelItem->contentWidgetData(QString("TextboxType")) == QString("integer")) {

        QString value = modelItem->contentWidgetData(QString("text")).toString();

        // Create validator that accepts only integer values.

        HbValidator *validator = new HbValidator(this);

        validator->addField(new QIntValidator(0, 10000, validator), "1");

        // Line editor widget from form

        HbDataFormViewItem *viewItem = qobject_cast<HbDataFormViewItem *> (mSettingForm->itemByIndex(index));

        HbWidget *widget = viewItem->dataItemContentWidget();

        HbLineEdit *editor = static_cast<HbLineEdit *> (widget);

        if (editor != 0) {

            // Create interface and attach lineEdit to it.

            HbEditorInterface editInterface(editor);

            // set editor as phone number editor so that inserting numbers is easier

            editor->setInputMethodHints(Qt::ImhDigitsOnly);

            editor->setValidator(validator);

        }

        modelItem->setContentWidgetData(QString("text"), value);

    }

}

// ---------------------------------------------------------------------------

void PISettingsView::createGeneralSettingForms()

{

    // Add data into setting model

    // General settings group

    mGeneralSettingsGroup = mModel->appendDataFormGroup(QString("General settings"),

        mModel->invisibleRootItem());

    // Output drop down list

    mOutputItem = mModel->appendDataFormItem(HbDataFormModelItem::ComboBoxItem,

        QString("Output to"), mGeneralSettingsGroup);

    mOutputItem->setContentWidgetData(QString("items"), OUTPUTMODES);

    // Data file location textbox

    mFileLocation = mModel->appendDataFormItem(HbDataFormModelItem::TextItem, QString(

        "Save file in"), mGeneralSettingsGroup);

    mFileLocation->setContentWidgetData("maxLength", 64);

    // File name textbox

    mPrefix = mModel->appendDataFormItem(HbDataFormModelItem::TextItem, QString("File prefix"),

        mGeneralSettingsGroup);

    mPrefix->setContentWidgetData("maxLength", 64);

    // Period that used when using timed progfiling

    mSamplingPeriod = mModel->appendDataFormItem(HbDataFormModelItem::TextItem, QString(

        "Sampling period(s)"), mGeneralSettingsGroup);

    mSamplingPeriod->setContentWidgetData(QString("TextboxType"), QString("integer"));

    mSamplingPeriod->setContentWidgetData("maxLength", 64);

}

// ---------------------------------------------------------------------------

void PISettingsView::createPluginSpecificSettings()

{

    // Create plug-in specific group

    mPluginSettingsGroup = mModel->appendDataFormGroup(QString("Plug-in specific settings"),

        mModel->invisibleRootItem());

    if (mPluginList != 0) {

        for (int index = 0; index < mPluginList->size(); index++) {

            // create plug-in specific settings group for each plug-in which has own settings

            if (mPluginList->at(index).mItemCount > 0 || mPluginList->at(index).mSampleRate != -1) {

                // Create settings group

                HbDataFormModelItem *mPluginGroup = mModel->appendDataFormGroup(QString(

                    mPluginList->at(index).mName), mPluginSettingsGroup);

                // get plugin attributes

                PluginAttributes attributes = mPluginList->at(index);

                // Create sample rate item if it is needed

                if (attributes.mSampleRate != -1) {

                    attributes.mFormItemSampleRate = mModel->appendDataFormItem(

                        HbDataFormModelItem::TextItem, "Sample rate (ms)", mPluginGroup);

                    attributes.mFormItemSampleRate->setContentWidgetData(QString("TextboxType"), QString(

                        "integer"));

                    attributes.mFormItemSampleRate->setContentWidgetData("text",

                        attributes.mSampleRate);

                }

                // create other setting items

                attributes.mFormItemSettingItem1 = createPluginSettingItem(

                    &attributes.mSettingItem1, mPluginGroup);

                attributes.mFormItemSettingItem2 = createPluginSettingItem(

                    &attributes.mSettingItem2, mPluginGroup);

                attributes.mFormItemSettingItem3 = createPluginSettingItem(

                    &attributes.mSettingItem3, mPluginGroup);

                attributes.mFormItemSettingItem4 = createPluginSettingItem(

                    &attributes.mSettingItem4, mPluginGroup);

                attributes.mFormItemSettingItem5 = createPluginSettingItem(

                    &attributes.mSettingItem5, mPluginGroup);

                attributes.mFormItemSettingItem6 = createPluginSettingItem(

                    &attributes.mSettingItem6, mPluginGroup);

                mPluginList->replace(index, attributes);

            }

        }

    }

}

// ---------------------------------------------------------------------------

HbDataFormModelItem *PISettingsView::createPluginSettingItem(const SettingItem *item,

    HbDataFormModelItem *parentGroup)

{

    // create individual plug-in setting item

    HbDataFormModelItem *settingItem = 0;

    if (item->mSettingText != QString("")) {

        switch (item->mType) {

        case SettingItem::SettingItemTypeBool:

            settingItem = mModel->appendDataFormItem(HbDataFormModelItem::CheckBoxItem,

                item->mUIText, parentGroup);

            bool value = false;

            if (item->mValue == "true") {

                value = true;

            }

            settingItem->setContentWidgetData("tristate", value);

            break;

        case SettingItem::SettingItemTypeHex:

            settingItem = mModel->appendDataFormItem(HbDataFormModelItem::TextItem, item->mUIText,

                parentGroup);

            settingItem->setContentWidgetData("text", item->mValue);

            settingItem->setContentWidgetData("maxLength", 64);

            break;

        case SettingItem::SettingItemTypeInt:

            settingItem = mModel->appendDataFormItem(HbDataFormModelItem::TextItem, item->mUIText,

                parentGroup);

            settingItem->setContentWidgetData("text", item->mValue);

            settingItem->setContentWidgetData(QString("TextboxType"), QString("integer"));

            settingItem->setContentWidgetData("maxLength", 64);

            break;

        case SettingItem::SettingItemTypeText:

            HbDataFormModelItem *settingItem = mModel->appendDataFormItem(

                HbDataFormModelItem::TextItem, item->mUIText, parentGroup);

            settingItem->setContentWidgetData("text", item->mValue);

            settingItem->setContentWidgetData("maxLength", 64);

            break;

        }

    }

    return settingItem;

}

// ---------------------------------------------------------------------------

void PISettingsView::loadGeneralSettings()

{

    // load general settings from engine

    mEngine->getGeneralSettings(mGeneralAttributes);

    // set output item correct

    if (mGeneralAttributes.mTraceOutput == "file_system") {

        mOutputItem->setContentWidgetData(QString("currentIndex"), OUTPUT_MODE_FILE);

    }

    else {

        mOutputItem->setContentWidgetData(QString("currentIndex"), OUTPUT_MODE_DEBUG);

    }

    mFileLocation->setContentWidgetData(QString("text"), mGeneralAttributes.mSaveFileDrive);

    mPrefix->setContentWidgetData(QString("text"), mGeneralAttributes.mTraceFilePrefix);

    mSamplingPeriod->setContentWidgetData(QString("text"), mGeneralAttributes.mTimedSamplingPeriod);

}

// ---------------------------------------------------------------------------

GeneralAttributes &PISettingsView::getGeneralAttributes()

{

    // Read items from ui elements and save them into mGeneralAttributes

    QString fileLocation = mFileLocation->contentWidgetData(QString("text")).toString();

    if (fileLocation.length() > 0 && mEngine->checkTraceLocationSanity(fileLocation)) {

        mGeneralAttributes.mSaveFileDrive = fileLocation;

    }

    else {

        Notifications::showErrorNote("Invalid path, check settings!");

        mFileLocation->setContentWidgetData(QString("text"), mGeneralAttributes.mSaveFileDrive);

    }

    bool ok = false;

    mGeneralAttributes.mTimedSamplingPeriod

        = mSamplingPeriod->contentWidgetData(QString("text")).toInt(&ok);

    if (!ok) {

        // this should not happen because intvalidator is set into text box

        qWarning("Unable to convert sampling period to integer");

    }

    mGeneralAttributes.mTraceFilePrefix = mPrefix->contentWidgetData(QString("text")).toString();

    if (mOutputItem->contentWidgetData(QString("currentIndex")).toInt(&ok) == OUTPUT_MODE_FILE) {

        mGeneralAttributes.mTraceOutput = QString("file_system");

    }

    else {

        mGeneralAttributes.mTraceOutput = QString("debug_output");

    }

    return mGeneralAttributes;

}

// ---------------------------------------------------------------------------

void PISettingsView::setPluginSettings(QList<PluginAttributes> *pluginList)

{

    mPluginList = pluginList;

    createPluginSpecificSettings();

}

// ---------------------------------------------------------------------------

void PISettingsView::readPluginSettingItemValue(HbDataFormModelItem *dataFormItem,

    SettingItem *settingItem)

{

    if (settingItem != 0 && dataFormItem != 0) {

        // check if item type is bool, convert bool to string

        if (settingItem->mType == SettingItem::SettingItemTypeBool) {

            bool checkboxValue = true;

            checkboxValue = dataFormItem->contentWidgetData(QString("tristate")).toBool();

            if(checkboxValue){

                settingItem->mValue = QString("true");

            }

            else{

                settingItem->mValue = QString("false");

            }

        }

        // otherwise save text straight into settin item

        else {

            settingItem->mValue = dataFormItem->contentWidgetData("text").toString();

        }

    }

}

// ---------------------------------------------------------------------------

void PISettingsView::readPluginSettings()

{

    // Read Plug-in setting item and save values into m

    for (int index = 0; index < mPluginList->size(); index++) {

        PluginAttributes attributes = mPluginList->at(index);

        readPluginSettingItemValue(attributes.mFormItemSettingItem1, &attributes.mSettingItem1);

        readPluginSettingItemValue(attributes.mFormItemSettingItem2, &attributes.mSettingItem2);

        readPluginSettingItemValue(attributes.mFormItemSettingItem3, &attributes.mSettingItem3);

        readPluginSettingItemValue(attributes.mFormItemSettingItem4, &attributes.mSettingItem4);

        readPluginSettingItemValue(attributes.mFormItemSettingItem5, &attributes.mSettingItem5);

        readPluginSettingItemValue(attributes.mFormItemSettingItem6, &attributes.mSettingItem6);

        if (attributes.mFormItemSampleRate != 0) {

            bool ok = false;

            attributes.mSampleRate

                = attributes.mFormItemSampleRate->contentWidgetData("text").toInt(&ok);

            if (!ok) {

                // this should not happen because intvalidator is set into text box

                qWarning("Unable to convert sample rate to integer");

            }

        }

        mPluginList->replace(index, attributes);

    }

}

// ---------------------------------------------------------------------------

void PISettingsView::expandPluginGroup(int uid)

{

    // FIXME some of the methods is deprecating fix once new methods available.

    //collapse all group items

    /*HbDataFormViewItem *viewItem = 0;

    viewItem = mSettingForm->dataFormViewItem(mModel->indexFromItem(mPluginSettingsGroup));

    if (viewItem != 0) {

        viewItem->setExpanded(false);

    }

    viewItem = mSettingForm->dataFormViewItem(mModel->indexFromItem(mGeneralSettingsGroup));

    if (viewItem != 0) {

        viewItem->setExpanded(false);

    }

    // Set plugin group as expanded.

    viewItem = mSettingForm->dataFormViewItem(mModel->indexFromItem(mPluginSettingsGroup));

    if (viewItem != 0) {

        viewItem->setExpanded(true);

    }

    // find group item which has same uid number

    for (int index = 0; index < mPluginSettingsGroup->childCount(); index++) {

        HbDataFormModelItem *item = mPluginSettingsGroup->childAt(index);

        bool ok = false;

        int groupUid = item->data(HbDataFormModelItem::KeyRole).toInt(&ok);

        if (ok) {

            if (uid == groupUid) {

                // Set group as expanded

                viewItem = mSettingForm->dataFormViewItem(mModel->indexFromItem(item));

                if (viewItem != 0) {

                    viewItem->setExpanded(true);

                }

                // scroll view so that group is shown

                mSettingForm->scrollTo(mModel->indexFromItem(item),

                    HbAbstractItemView::PositionAtTop);

                break;

            }

        }

    }*/

}

// ---------------------------------------------------------------------------