aerothemeplasma/Plasma/Plasma Widgets/User/Start Menu/SevenStart/contents/ui/Breadcrumb.qml

/*
    Copyright (C) 2011  Martin Gräßlin <mgraesslin@kde.org>

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program 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, write to the Free Software Foundation, Inc.,
    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
import QtQuick 2.0
import org.kde.plasma.core 2.0 as PlasmaCore
import org.kde.plasma.components 2.0 as PlasmaComponents
 import QtQuick.Controls.Styles.Plasma 2.0 as Styles

Item {
    id: crumbRoot

    height: crumb.implicitHeight
    width: crumb.implicitWidth + arrowSvg.width

    property string text
    property bool root: false
    property int depth: model.depth

    function clickCrumb() {
        crumb.clicked();
    }

    PlasmaComponents.ToolButton {
        id: crumb

        anchors.left: arrowSvg.right
        Rectangle {
            anchors.fill: parent
            anchors.leftMargin: PlasmaCore.Units.smallSpacing;
            anchors.topMargin: PlasmaCore.Units.smallSpacing;
            anchors.rightMargin: PlasmaCore.Units.smallSpacing;
            anchors.bottomMargin: PlasmaCore.Units.smallSpacing;
            color: "white"
            Text {
            id: textLabel
            //anchors.fill: parent
            anchors.left: parent.left
            //anchors.right: parent.right
            anchors.leftMargin: (crumb.width-textLabel.contentWidth) / 2 
            anchors.horizontalCenter: parent.horizontalCenter
            anchors.verticalCenter: parent.verticalCenter
            //width: crumb.width
            text: crumbRoot.text
            font.pixelSize: 12
            color: "#404040"
        }
        }
        
        text: crumbRoot.text
        //width: textLabel.contentWidth + units.smallSpacing*2
        enabled: crumbRoot.depth < crumbModel.count
        onClicked: {
            // Remove all the breadcrumbs in front of the clicked one
            while (crumbModel.count > 0 && crumbRoot.depth < crumbModel.get(crumbModel.count-1).depth) {
                crumbModel.remove(crumbModel.count-1)
                crumbModel.models.pop()
            }

            if (crumbRoot.root) {
                applicationsView.newModel = rootModel;
            } else {
                applicationsView.newModel = crumbModel.models[index];
            }
            applicationsView.state = "OutgoingRight";
        }
    }

    PlasmaCore.SvgItem {
        id: arrowSvg

        anchors.left: parent.left
        anchors.verticalCenter: parent.verticalCenter
        height: crumbRoot.height / 2
        width: visible ? height : 0

        svg: arrowsSvg
        elementId: LayoutMirroring.enabled ? "left-arrow" : "right-arrow"
        visible: !crumbRoot.root
        /*Colorize {
                            anchors.fill: arrowSvg
                            source: arrowSvg
                            hue: 0.0
                            saturation: 0.0
                            lightness: searching ? -0.5 : 1.0
                        }*/
    }
} // crumbRoot