// Copyright (c) 2018 Ultimaker B.V.
// Cura is released under the terms of the LGPLv3 or higher.

import QtQuick 2.2
import QtQuick.Controls 1.1
import QtQuick.Controls.Styles 1.1
import QtQuick.Layouts 1.1

import UM 1.2 as UM
import Cura 1.0 as Cura

Item
{
    id: base

    width: buttons.width
    height: buttons.height
    property int activeY

    Item
    {
        id: buttons
        width: parent.visible ? toolButtons.width : 0
        height: childrenRect.height

        Behavior on width { NumberAnimation { duration: 100 } }

        // Used to create a rounded rectangle behind the toolButtons
        Rectangle
        {
            anchors
            {
                fill: toolButtons
                leftMargin: -radius - border.width
                rightMargin: -border.width
                topMargin: -border.width
                bottomMargin: -border.width
            }
            radius: UM.Theme.getSize("default_radius").width
            color: UM.Theme.getColor("lining")
        }

        Column
        {
            id: toolButtons

            anchors.top: parent.top
            anchors.right: parent.right
            spacing: UM.Theme.getSize("default_lining").height

            Repeater
            {
                id: repeat

                model: UM.ToolModel { id: toolsModel }
                width: childrenRect.width
                height: childrenRect.height
                Button
                {
                    text: model.name + (model.shortcut ? (" (" + model.shortcut + ")") : "")
                    iconSource: (UM.Theme.getIcon(model.icon) != "") ? UM.Theme.getIcon(model.icon) : "file:///" + model.location + "/" + model.icon
                    checkable: true
                    checked: model.active
                    enabled: model.enabled && UM.Selection.hasSelection && UM.Controller.toolsEnabled
                    style: UM.Theme.styles.toolbar_button

                    property bool isFirstElement: toolsModel.getItem(0).id == model.id
                    property bool isLastElement: toolsModel.getItem(toolsModel.rowCount() - 1).id == model.id

                    onCheckedChanged:
                    {
                        if (checked)
                        {
                            base.activeY = y;
                        }
                    }

                    //Workaround since using ToolButton's onClicked would break the binding of the checked property, instead
                    //just catch the click so we do not trigger that behaviour.
                    MouseArea
                    {
                        anchors.fill: parent;
                        onClicked:
                        {
                            forceActiveFocus() //First grab focus, so all the text fields are updated
                            if(parent.checked)
                            {
                                UM.Controller.setActiveTool(null);
                            }
                            else
                            {
                                UM.Controller.setActiveTool(model.id);
                            }
                        }
                    }
                }
            }
        }

        // Used to create a rounded rectangle behind the extruderButtons
        Rectangle
        {
            anchors
            {
                fill: extruderButtons
                leftMargin: -radius - border.width
                rightMargin: -border.width
                topMargin: -border.width
                bottomMargin: -border.width
            }
            radius: UM.Theme.getSize("default_radius").width
            color: UM.Theme.getColor("lining")
        }

        Column
        {
            id: extruderButtons

            anchors.topMargin: UM.Theme.getSize("default_margin").height
            anchors.top: toolButtons.bottom
            anchors.right: parent.right
            spacing: UM.Theme.getSize("default_lining").height

            Repeater
            {
                id: extruders
                width: childrenRect.width
                height: childrenRect.height
                property var _model: Cura.ExtrudersModel { id: extrudersModel }
                model: _model.items.length > 1 ? _model : 0
                ExtruderButton
                {
                    extruder: model
                    height: UM.Theme.getSize("button").width
                    width: UM.Theme.getSize("button").width
                }
            }
        }
    }

    UM.PointingRectangle
    {
        id: panelBorder;

        anchors.left: parent.right;
        anchors.leftMargin: UM.Theme.getSize("default_margin").width;
        anchors.top: base.top;
        anchors.topMargin: base.activeY
        z: buttons.z - 1

        target: Qt.point(parent.right, base.activeY +  Math.round(UM.Theme.getSize("button").height/2))
        arrowSize: UM.Theme.getSize("default_arrow").width

        width:
        {
            if (panel.item && panel.width > 0)
            {
                 return Math.max(panel.width + 2 * UM.Theme.getSize("default_margin").width);
            }
            else
            {
                return 0;
            }
        }
        height: panel.item ? panel.height + 2 * UM.Theme.getSize("default_margin").height : 0;

        opacity: panel.item && panel.width > 0 ? 1 : 0
        Behavior on opacity { NumberAnimation { duration: 100 } }

        color: UM.Theme.getColor("tool_panel_background")
        borderColor: UM.Theme.getColor("lining")
        borderWidth: UM.Theme.getSize("default_lining").width

        MouseArea //Catch all mouse events (so scene doesnt handle them)
        {
            anchors.fill: parent
        }

        Loader
        {
            id: panel

            x: UM.Theme.getSize("default_margin").width;
            y: UM.Theme.getSize("default_margin").height;

            source: UM.ActiveTool.valid ? UM.ActiveTool.activeToolPanel : ""
            enabled: UM.Controller.toolsEnabled;
        }
    }

    // This rectangle displays the information about the current angle etc. when
    // dragging a tool handle.
    Rectangle
    {
        x: -base.x + base.mouseX + UM.Theme.getSize("default_margin").width
        y: -base.y + base.mouseY + UM.Theme.getSize("default_margin").height

        width: toolHint.width + UM.Theme.getSize("default_margin").width
        height: toolHint.height;
        color: UM.Theme.getColor("tooltip")
        Label
        {
            id: toolHint
            text: UM.ActiveTool.properties.getValue("ToolHint") != undefined ? UM.ActiveTool.properties.getValue("ToolHint") : ""
            color: UM.Theme.getColor("tooltip_text")
            font: UM.Theme.getFont("default")
            anchors.horizontalCenter: parent.horizontalCenter
        }

        visible: toolHint.text != ""
    }
}