/***************************************************************************
 *   Copyright (C) 2014 by Eike Hein <hein@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 QtQuick.Controls 1.0
import QtQuick.Dialogs 1.2
import QtQuick.Layouts 1.0

import org.kde.plasma.core 2.0 as PlasmaCore
import org.kde.plasma.components 2.0 as PlasmaComponents

import org.kde.kquickcontrolsaddons 2.0 as KQuickAddons
import org.kde.draganddrop 2.0 as DragDrop

import org.kde.plasma.private.kicker 0.1 as Kicker

Item {
    id: configGeneral

    width: childrenRect.width
    height: childrenRect.height

    property string cfg_icon: plasmoid.configuration.icon
    property bool cfg_useCustomButtonImage: plasmoid.configuration.useCustomButtonImage
    property string cfg_customButtonImage: plasmoid.configuration.customButtonImage

    property alias cfg_appNameFormat: appNameFormat.currentIndex
    property alias cfg_switchCategoriesOnHover: switchCategoriesOnHover.checked

    property alias cfg_useExtraRunners: useExtraRunners.checked

    property alias cfg_numberRows: numberRows.value

    ColumnLayout {
        anchors.left: parent.left

        RowLayout {
            spacing: units.smallSpacing

            Label {
                text: i18n("Icon:")
            }

            Button {
                id: iconButton
                Layout.minimumWidth: previewFrame.width + units.smallSpacing * 2
                Layout.maximumWidth: Layout.minimumWidth
                Layout.minimumHeight: previewFrame.height + units.smallSpacing * 2
                Layout.maximumHeight: Layout.minimumWidth

                DragDrop.DropArea {
                    id: dropArea

                    property bool containsAcceptableDrag: false

                    anchors.fill: parent

                    onDragEnter: {
                        // Cannot use string operations (e.g. indexOf()) on "url" basic type.
                        var urlString = event.mimeData.url.toString();

                        // This list is also hardcoded in KIconDialog.
                        var extensions = [".png", ".xpm", ".svg", ".svgz"];
                        containsAcceptableDrag = urlString.indexOf("file:///") === 0 && extensions.some(function (extension) {
                            return urlString.indexOf(extension) === urlString.length - extension.length; // "endsWith"
                        });

                        if (!containsAcceptableDrag) {
                            event.ignore();
                        }
                    }
                    onDragLeave: containsAcceptableDrag = false

                    onDrop: {
                        if (containsAcceptableDrag) {
                            // Strip file:// prefix, we already verified in onDragEnter that we have only local URLs.
                            iconDialog.setCustomButtonImage(event.mimeData.url.toString().substr("file://".length));
                        }
                        containsAcceptableDrag = false;
                    }
                }

                KQuickAddons.IconDialog {
                    id: iconDialog

                    function setCustomButtonImage(image) {
                        cfg_customButtonImage = image || cfg_icon || "start-here-kde"
                        cfg_useCustomButtonImage = true;
                    }

                    onIconNameChanged: setCustomButtonImage(iconName);
                }

                // just to provide some visual feedback, cannot have checked without checkable enabled
                checkable: true
                checked: dropArea.containsAcceptableDrag
                onClicked: {
                    checked = Qt.binding(function() { // never actually allow it being checked
                        return iconMenu.status === PlasmaComponents.DialogStatus.Open || dropArea.containsAcceptableDrag;
                    })

                    iconMenu.open(0, height)
                }

                PlasmaCore.FrameSvgItem {
                    id: previewFrame
                    anchors.centerIn: parent
                    imagePath: plasmoid.location === PlasmaCore.Types.Vertical || plasmoid.location === PlasmaCore.Types.Horizontal
                               ? "widgets/panel-background" : "widgets/background"
                    width: units.iconSizes.large + fixedMargins.left + fixedMargins.right
                    height: units.iconSizes.large + fixedMargins.top + fixedMargins.bottom

                    PlasmaCore.IconItem {
                        anchors.centerIn: parent
                        width: units.iconSizes.large
                        height: width
                        source: cfg_useCustomButtonImage ? cfg_customButtonImage : cfg_icon
                    }
                }
            }

            // QQC Menu can only be opened at cursor position, not a random one
            PlasmaComponents.ContextMenu {
                id: iconMenu
                visualParent: iconButton

                PlasmaComponents.MenuItem {
                    text: i18nc("@item:inmenu Open icon chooser dialog", "Choose...")
                    icon: "document-open-folder"
                    onClicked: iconDialog.open()
                }
                PlasmaComponents.MenuItem {
                    text: i18nc("@item:inmenu Reset icon to default", "Clear Icon")
                    icon: "edit-clear"
                    onClicked: {
                        cfg_useCustomButtonImage = false;
                    }
                }
            }
        }

        GroupBox {
            Layout.fillWidth: true

            title: i18n("Behavior")

            flat: true

            ColumnLayout {
                RowLayout {
                    Label {
                        text: i18n("Show applications as:")
                    }

                    ComboBox {
                        id: appNameFormat

                        Layout.fillWidth: true

                        model: [i18n("Name only"), i18n("Description only"), i18n("Name (Description)"), i18n("Description (Name)")]
                    }
                }

                CheckBox {
                    id: switchCategoriesOnHover

                    text: i18n("Switch categories on hover")
                }
            }
        }

        GroupBox {
            Layout.fillWidth: true
            title: i18n("Search")
            flat: true

            ColumnLayout {
                CheckBox {
                    id: useExtraRunners

                    text: i18n("Expand search to bookmarks, files and emails")
                }
            }
        }

        GroupBox {
            title: i18n("Rows")
            flat: true
            ColumnLayout {
                RowLayout{
                    Layout.fillWidth: true

                    RowLayout{
                        Layout.fillWidth: true
                        SpinBox{
                            id: numberRows
                            minimumValue: 10
                            maximumValue: 15
                        }
                        Label {
                            Layout.leftMargin: units.smallSpacing
                            text: i18n("Number of rows")
                        }
                    }
                }
            }
        }
    }
}