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/****************************************************************************
**
** Copyright (C) 2013 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the QtDataVisualization module.
**
** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
**
****************************************************************************/

import QtQuick 2.1
import QtQuick.Controls 1.0
import com.digia.QtDataVisualization 1.0
import "."

Item {
    id: mainview
    width: 1280
    height: 1024
    visible: true

    Data {
        id: graphData
    }

    Axes {
        id: graphAxes
    }

    Item {
        id: dataView
        width: parent.width - tableView.width
        height: parent.height
        anchors.right: parent.right;

        Bars3D {
            id: testGraph
            width: dataView.width
            height: dataView.height
            shadowQuality: Bars3D.ShadowQualityMedium
            selectionMode: Bars3D.SelectionModeItem
            font.pointSize: 35
            theme: Bars3D.ThemeRetro
            labelStyle: Bars3D.LabelStyleFromTheme
            dataProxy: graphData.proxy
            barThickness: 0.5
            barSpacing: Qt.size(0.5, 0.5)
            barSpacingRelative: false
            cameraPreset: Bars3D.CameraPresetRight
            columnAxis: graphAxes.column
            valueAxis: graphAxes.expenses
            itemLabelFormat: "@valueTitle for @colLabel, @rowLabel: @valueLabel"

            onSelectedBarPosChanged: {
                // Set tableView current row to selected bar
                var rowRole = graphData.proxy.rowLabels[position.x];
                var colRole = graphData.proxy.columnLabels[position.y];
                var currentRow = tableView.currentRow
                if (currentRow === -1 || rowRole !== graphData.model.get(currentRow).year
                        || colRole !== graphData.model.get(currentRow).month) {
                    var totalRows = tableView.rowCount;
                    for (var i = 0; i < totalRows; i++) {
                        var currentRowRole = graphData.model.get(i).year
                        var currentColRole = graphData.model.get(i).month
                        if (currentRowRole === rowRole && currentColRole === colRole) {
                            tableView.currentRow = i
                            break
                        }
                    }
                }
            }
        }
    }

    Button {
        id: mappingToggle
        anchors.bottom: parent.bottom
        width: tableView.width
        height: 60
        text: "Show Income"
        onClicked: {
            if (graphData.mapping.valueRole === "expenses") {
                graphData.mapping.valueRole = "income"
                text = "Show Expenses"
                testGraph.valueAxis = graphAxes.income
            } else {
                graphData.mapping.valueRole = "expenses"
                text = "Show Income"
                testGraph.valueAxis = graphAxes.expenses
            }
        }
    }

    Button {
        id: shadowToggle
        anchors.bottom: mappingToggle.top
        width: tableView.width
        height: 60
        text: "Hide Shadows"
        onClicked: {
            if (testGraph.shadowQuality == Bars3D.ShadowQualityNone) {
                testGraph.shadowQuality = Bars3D.ShadowQualityMedium;
                text = "Hide Shadows"
            } else {
                testGraph.shadowQuality = Bars3D.ShadowQualityNone;
                text = "Show Shadows"
            }
        }
    }

    Button {
        id: dataToggle
        anchors.bottom: shadowToggle.top
        width: tableView.width
        height: 60
        text: "Show 2010 - 2012"
        onClicked: {
            if (testGraph.rowAxis.max !== 6) {
                text = "Show 2010 - 2012"
                graphData.mapping.autoRowCategories = true
            } else {
                text = "Show all years"
                // Explicitly defining row categories, since we do not want to show data for
                // all years in the model, just for the selected ones.
                graphData.mapping.autoRowCategories = false
                graphData.mapping.rowCategories = ["2010", "2011", "2012"]
            }
        }
    }

    TableView {
        id: tableView
        x: 0
        y: 0
        width: 298
        height: parent.height - mappingToggle.height - shadowToggle.height - dataToggle.height
        TableViewColumn{ role: "year"  ; title: "Year" ; width: 80 }
        TableViewColumn{ role: "month" ; title: "Month" ; width: 80 }
        TableViewColumn{ role: "expenses" ; title: "Expenses" ; width: 60 }
        TableViewColumn{ role: "income" ; title: "Income" ; width: 60 }
        model: graphData.model

        onCurrentRowChanged: {
            var rowIndex = graphData.proxy.activeMapping.rowCategoryIndex(graphData.model.get(currentRow).year)
            var colIndex = graphData.proxy.activeMapping.columnCategoryIndex(graphData.model.get(currentRow).month)
            testGraph.selectedBarPos = Qt.point(rowIndex, colIndex)
        }
    }
}