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import QtQuick 2.1
import QtQuick.Controls 1.0
import QtQuick.Layouts 1.0
import QtQuick.Controls.Styles 1.2

ToolBar {
    id: buttons
    readonly property int buttonWidth: 25

    signal jumpToPrev()
    signal jumpToNext()
    signal zoomControlChanged()
    signal filterMenuChanged()
    signal rangeSelectChanged()
    signal lockChanged()

    function updateLockButton(locked) {
        lockButton.checked = !locked;
    }

    function lockButtonChecked() {
        return lockButton.checked;
    }

    function updateRangeButton(rangeMode) {
        rangeButton.checked = rangeMode;
    }

    function rangeButtonChecked() {
        return rangeButton.checked
    }

    style: ToolBarStyle {
        padding {
            left: 0
            right: 0
            top: 0
            bottom: 0
        }
        background: Rectangle {
            anchors.fill: parent
            color: "#9B9B9B"
        }
    }

    RowLayout {
        spacing: 0
        anchors.fill: parent

        ToolButton {
            id: jumpToPrevButton
            anchors.top: parent.top
            anchors.bottom: parent.bottom
            implicitWidth: buttonWidth

            iconSource: "qrc:/timeline/ico_prev.png"
            tooltip: qsTr("Jump to previous event.")
            onClicked: buttons.jumpToPrev()
        }

        ToolButton {
            id: jumpToNextButton
            anchors.top: parent.top
            anchors.bottom: parent.bottom
            implicitWidth: buttonWidth

            iconSource: "qrc:/timeline/ico_next.png"
            tooltip: qsTr("Jump to next event.")
            onClicked: buttons.jumpToNext()
        }

        ToolButton {
            id: zoomControlButton
            anchors.top: parent.top
            anchors.bottom: parent.bottom
            implicitWidth: buttonWidth

            iconSource: "qrc:/timeline/ico_zoom.png"
            tooltip: qsTr("Show zoom slider.")
            checkable: true
            checked: false
            onCheckedChanged: buttons.zoomControlChanged()
        }

        ToolButton {
            id: filterButton
            anchors.top: parent.top
            anchors.bottom: parent.bottom
            implicitWidth: buttonWidth

            iconSource: "qrc:/timeline/ico_filter.png"
            tooltip: qsTr("Filter Categories")
            checkable: true
            onCheckedChanged: buttons.filterMenuChanged()
        }

        ToolButton {
            id: rangeButton
            anchors.top: parent.top
            anchors.bottom: parent.bottom
            implicitWidth: buttonWidth

            iconSource: checked ? "qrc:/timeline/ico_rangeselected.png" :
                                  "qrc:/timeline/ico_rangeselection.png"
            tooltip: qsTr("Select range.")
            checkable: true
            checked: false
            onCheckedChanged: buttons.rangeSelectChanged()
        }

        ToolButton {
            id: lockButton
            anchors.top: parent.top
            anchors.bottom: parent.bottom
            implicitWidth: buttonWidth

            iconSource: "qrc:/timeline/ico_selectionmode.png"
            tooltip: qsTr("View event information on mouseover.")
            checkable: true
            checked: false
            onCheckedChanged: buttons.lockChanged()
        }
    }
}