~mihirsoni/ubuntu-calendar-app/dateSelectNewEventTest

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/*
 * Copyright (C) 2013-2014 Canonical Ltd
 *
 * This file is part of Ubuntu Calendar App
 *
 * Ubuntu Calendar App is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 3 as
 * published by the Free Software Foundation.
 *
 * Ubuntu Calendar App 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */
import QtQuick 2.3
import Ubuntu.Components 1.1
import "dateExt.js" as DateExt
import "colorUtils.js" as Color

Item{
    id: root
    objectName: "MonthComponent"

    property bool isCurrentItem;

    property bool showEvents: false

    property var currentMonth;
    property var isYearView;

    property string dayLabelFontSize: "medium"
    property string dateLabelFontSize: "large"
    property string monthLabelFontSize: "x-large"
    property string yearLabelFontSize: "large"

    property alias dayLabelDelegate : dayLabelRepeater.delegate
    property alias dateLabelDelegate : dateLabelRepeater.delegate

    signal monthSelected(var date);
    signal dateSelected(var date)

    //creatng timer only if we need to show events in month
    Loader {
        id: timerLoader
        sourceComponent: showEvents ? timerComp : undefined
    }

    // Timer to delay creation of Model, There seems some problem fetching events if we create Model immediatly
    Component {
        id: timerComp
        Timer{
           interval: 200; running: true; repeat: false
           onTriggered: {
                modelLoader.sourceComponent = modelComponent
           }
        }
    }

    Loader{
        id: modelLoader
    }

    Component{
        id: modelComponent
        EventListModel {
            id: mainModel
            startPeriod: intern.monthStart.midnight();
            endPeriod: intern.monthStart.addDays((/*monthGrid.weekCount*/ 6 * 7)-1).endOfDay()
            filter: eventModel.filter
            onModelChanged: {
                intern.eventStatus = Qt.binding(function() { return mainModel.containsItems(startPeriod,endPeriod,24*60*60)});
            }
        }
    }

    QtObject{
        id: intern

        property var eventStatus;

        property int curMonthDate: currentMonth.getDate()
        property int curMonth: currentMonth.getMonth()
        property int curMonthYear: currentMonth.getFullYear()

        property var today: DateExt.today()
        property int todayDate: today.getDate()
        property int todayMonth: today.getMonth()
        property int todayYear: today.getFullYear()

        //date from month will start, this date might be from previous month
        property var monthStart: currentMonth.weekStart( Qt.locale().firstDayOfWeek )
        property int monthStartDate: monthStart.getDate()
        property int monthStartMonth: monthStart.getMonth()
        property int monthStartYear: monthStart.getFullYear()

        property int daysInStartMonth: Date.daysInMonth(monthStartYear, monthStartMonth)
        property int daysInCurMonth:  Date.daysInMonth(curMonthYear,curMonth)

        //check if current month is start month
        property bool isCurMonthStartMonth: curMonthDate === monthStartDate
                                            && curMonth === monthStartMonth
                                            && curMonthYear === monthStartYear

        //check current month is same as today's month
        property bool isCurMonthTodayMonth: todayYear === curMonthYear && todayMonth == curMonth
        //offset from current month's first date to start date of current month
        property int offset: isCurMonthStartMonth ? -1 : (daysInStartMonth - monthStartDate)
    }

    Column{
        id: column

        anchors {
            fill: parent
            topMargin: units.gu(1.5)
            bottomMargin: units.gu(1)
        }

        spacing: units.gu(1.5)

        ViewHeader{
            id: monthHeader
            month: intern.curMonth
            year: intern.curMonthYear

            monthLabelFontSize: root.monthLabelFontSize
            yearLabelFontSize: root.yearLabelFontSize
            visible: isYearView === true
        }

        Item {
            width: parent.width
            height: dayLabelRow.height + units.gu(1)

            DayHeaderBackground{}

            Row{
                id: dayLabelRow
                width: parent.width
                anchors.horizontalCenter: parent.horizontalCenter
                anchors.verticalCenter: parent.verticalCenter

                Repeater{
                    id: dayLabelRepeater
                    model:7
                    delegate: dafaultDayLabelComponent
                }
            }
        }

        Grid{
            id: monthGrid
            objectName: "monthGrid"

            property int weekCount : 6

            width: parent.width
            height: parent.height - monthGrid.y

            property int dayWidth: width / 7;
            property int dayHeight: height / weekCount

            rows: weekCount
            columns: 7

            Repeater{
                id: dateLabelRepeater
                model: monthGrid.rows * monthGrid.columns
                delegate: defaultDateLabelComponent
            }
        }
    }

    Component{
        id: defaultDateLabelComponent
        MonthComponentDateDelegate{
            date: {
                //try to find date from index and month's first week's first date
                var temp = intern.daysInStartMonth - intern.offset + index
                //date exceeds days in startMonth,
                //this means previous month is over and we are now in current month
                //to get actual date we need to remove number of days in startMonth
                if( temp > intern.daysInStartMonth ) {
                    temp = temp - intern.daysInStartMonth
                    //date exceeds days in current month
                    // this means date is from next month
                    //to get actual date we need to remove number of days in current month
                    if( temp > intern.daysInCurMonth ) {
                        temp = temp - intern.daysInCurMonth
                    }
                }
                return temp;
            }

            isCurrentMonth: {
                //remove offset from index
                //if index falls in 1 to no of days in current month
                //then date is inside current month
                var temp = index - intern.offset
                return (temp >= 1 && temp <= intern.daysInCurMonth)
            }

            isToday: intern.todayDate == date && intern.isCurMonthTodayMonth

            width: parent.dayWidth
            height: parent.dayHeight
        }
    }

    Component{
        id: eventIndicatorComp
        Rectangle {
            width: units.gu(1)
            height: width
            radius: height/2
            color:"#5E2750"
        }
    }

    Component{
        id: dafaultDayLabelComponent

        Label{
            id: weekDay
            width: parent.width / 7
            property var day :Qt.locale().standaloneDayName(( Qt.locale().firstDayOfWeek + index), Locale.ShortFormat)
            text: isYearView ? day.charAt(0) : day;
            horizontalAlignment: Text.AlignHCenter
            fontSize: root.dayLabelFontSize
            color: "white"
        }
    }

    Component{
        id: highLightComp
        UbuntuShape{
            color: "#DD4814"
        }
    }
}