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/*
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* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description: CalenDayHourScrollArea implementation.
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*
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*/
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// System includes
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#include <QGraphicsLinearLayout>
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// User includes
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#include "calendayhourscrollarea.h"
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#include "calendayhourelement.h"
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#include "calendayutils.h"
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/*!
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\class CalenDayHourScrollArea
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\brief Scrollable container class for hour elements.
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It handles vertical scrolling.
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*/
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/*!
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\brief Constructor
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Configures scroll area settings and resets internal stares of widget.
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Gets the width of device.
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\param parent The parent of scroll area widget
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*/
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CalenDayHourScrollArea::CalenDayHourScrollArea(QGraphicsItem *parent) :
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HbScrollArea(parent), mDateTime(QDateTime())
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{
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// Grab pan gestures
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grabGesture(Qt::PanGesture);
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// Create widget for hour elements
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HbWidget *hourWidget = new HbWidget();
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// Create and insert hour elements into vertical layout
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QGraphicsLinearLayout* hourLayout = new QGraphicsLinearLayout(Qt::Vertical,
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NULL);
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for (int i = 0; i < KCalenHoursInDay; i++) {
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CalenDayHourElement* element = new CalenDayHourElement(QTime(i, 0),
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this);
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hourLayout->addItem(element);
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mHourElements.append(element);
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}
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hourLayout->setContentsMargins(0.0, 0.0, 0.0, 0.0);
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hourLayout->setSpacing(0.0);
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// Apply hour layout for new widget and set content widget to scroll area
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hourWidget->setLayout(hourLayout);
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setContentWidget(hourWidget);
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}
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/*!
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\brief Destructor
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*/
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CalenDayHourScrollArea::~CalenDayHourScrollArea()
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{
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mHourElements.clear();
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}
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/*!
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\brief Sets date and time for this container.
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\param dateTime new date and time
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*/
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void CalenDayHourScrollArea::setDateTime(const QDateTime &dateTime)
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{
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mDateTime = dateTime;
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}
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/*!
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\brief Returns date and time assigned to current view.
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*/
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QDateTime CalenDayHourScrollArea::dateTime() const
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{
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return mDateTime;
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}
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/*!
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\brief Scroll view to given hour.
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\param An hour in 24 hour format (0 - 23)
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*/
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void CalenDayHourScrollArea::scrollToHour(int hour)
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{
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Q_ASSERT((hour > -1) && (hour < KCalenHoursInDay));
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CalenDayHourElement *hourElement = mHourElements.at(hour);
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QRectF hourElementRect = hourElement->rect();
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hourElementRect = hourElement->mapRectToParent(hourElementRect);
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QPointF newPos = hourElementRect.topLeft();
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// Ensure that we won't scroll out of bound
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CalenDayHourElement *lastElement = mHourElements.last();
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qreal bottomEdge = lastElement->mapRectToParent(lastElement->rect()).bottom();
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qreal viewHeight = rect().height();
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if (bottomEdge - newPos.y() < viewHeight) {
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newPos.setY(bottomEdge - viewHeight);
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}
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scrollContentsTo(newPos);
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}
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/*!
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\brief SLOT scrolls the view vertically to new position.
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\param newPosition New position
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*/
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void CalenDayHourScrollArea::scrollVertically(const QPointF &newPosition)
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{
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QPointF currentPos = contentWidget()->pos();
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if (abs(newPosition.y()) != abs(currentPos.y())) {
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currentPos.setY(newPosition.y());
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scrollContentsTo(currentPos, 0);
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}
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}
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/*!
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\brief SLOT updates time/date representation when system locale are changed.
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*/
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void CalenDayHourScrollArea::localeChanged()
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{
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for (int i = 0; i < mHourElements.count(); i++) {
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mHourElements.at(i)->localeChanged();
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mHourElements.at(i)->update(mHourElements.at(i)->rect());
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}
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}
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/*!
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\brief SLOT refreshes time indicator if current day is displayed.
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Time indicator should also be updated if transition between prev/next
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day was done previously: failure ou1cimx1#565650 fixed
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*/
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void CalenDayHourScrollArea::updateTimeIndicator()
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{
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QDateTime currentDateTime = QDateTime::currentDateTime();
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bool updateNeeded = mDateTime.date() >= currentDateTime.date().addDays(-1);
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updateNeeded = updateNeeded && mDateTime.date() <= currentDateTime.date().addDays(1);
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if (updateNeeded) {
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for (int i = 0; i < mHourElements.count(); i++) {
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mHourElements.at(i)->update(mHourElements.at(i)->rect());
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}
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}
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}
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// End of File
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