import QtQuick 2.15
import QtQuick.Controls 2.15
import QtQuick.Controls 1.4 as Controls1 // For SplitView
import QtQuick.Layouts 1.11
import QtQuick.Window 2.15
import QtQml.Models 2.15

import Qt.labs.platform 1.0 as Platform
import QtQuick.Dialogs 1.3

import Qt.labs.settings 1.0
import GraphEditor 1.0
import MaterialIcons 2.2
import Utils 1.0
import Controls 1.0

Page {
    id: root

    property alias computingAtExitDialog: computingAtExitDialog
    property alias unsavedDialog: unsavedDialog

    Settings {
        id: settingsUILayout
        category: 'UILayout'
        property alias showLiveReconstruction: liveSfMVisibilityCB.checked
        property alias showGraphEditor: graphEditorVisibilityCB.checked
        property alias showImageViewer: imageViewerVisibilityCB.checked
        property alias showViewer3D: viewer3DVisibilityCB.checked
    }

    // Utility functions for elements in the menubar
    function initFileDialogFolder(dialog, importImages = false) {
        let folder = "";

        if (imagesFolder.toString() === "" && workspaceView.imageGallery.galleryGrid.itemAtIndex(0) !== null) {
            imagesFolder = Filepath.stringToUrl(Filepath.dirname(workspaceView.imageGallery.galleryGrid.itemAtIndex(0).source))
        }

        if (_reconstruction.graph && _reconstruction.graph.filepath) {
            folder = Filepath.stringToUrl(Filepath.dirname(_reconstruction.graph.filepath))
        } else {
            var projects = MeshroomApp.recentProjectFiles

            if (projects.length > 0 && Filepath.exists(projects[0]["path"])) {
                folder = Filepath.stringToUrl(Filepath.dirname(projects[0]["path"]))
            }
        }

        if (importImages && imagesFolder.toString() !== "" && Filepath.exists(imagesFolder)) {
            folder = imagesFolder
        }

        dialog.folder = folder
    }

    function getSelectedNodesName() {
        if (!_reconstruction)
            return ""
        var nodesName = ""
        for (var i = 0; i < _reconstruction.selectedNodes.count; i++) {
            if (nodesName !== "")
                nodesName += ", "
            var node = _reconstruction.selectedNodes.at(i)
            nodesName += node.name
        }
        return nodesName
    }

    property url imagesFolder: {
        var recentImportedImagesFolders = MeshroomApp.recentImportedImagesFolders
        if (recentImportedImagesFolders.length > 0) {
            for (var i = 0; i < recentImportedImagesFolders.length; i++) {
                if (Filepath.exists(recentImportedImagesFolders[i]))
                    return Filepath.stringToUrl(recentImportedImagesFolders[i])
                else
                    MeshroomApp.removeRecentImportedImagesFolder(Filepath.stringToUrl(recentImportedImagesFolders[i]))
            }
        }
        return ""
    }

    // File dialogs
    Platform.FileDialog {
        id: saveFileDialog
        options: Platform.FileDialog.DontUseNativeDialog

        signal closed(var result)

        title: "Save File"
        nameFilters: ["Meshroom Graphs (*.mg)"]
        defaultSuffix: ".mg"
        fileMode: Platform.FileDialog.SaveFile
        onAccepted: {
            _reconstruction.saveAs(currentFile)
            MeshroomApp.addRecentProjectFile(currentFile.toString())
            closed(Platform.Dialog.Accepted)
        }
        onRejected: closed(Platform.Dialog.Rejected)
    }

    Platform.FileDialog {
        id: saveTemplateDialog
        options: Platform.FileDialog.DontUseNativeDialog

        signal closed(var result)

        title: "Save Template"
        nameFilters: ["Meshroom Graphs (*.mg)"]
        defaultSuffix: ".mg"
        fileMode: Platform.FileDialog.SaveFile
        onAccepted: {
            _reconstruction.saveAsTemplate(currentFile)
            closed(Platform.Dialog.Accepted)
            MeshroomApp.reloadTemplateList()
        }
        onRejected: closed(Platform.Dialog.Rejected)
    }

    Platform.FileDialog {
        id: openFileDialog
        options: Platform.FileDialog.DontUseNativeDialog
        title: "Open File"
        nameFilters: ["Meshroom Graphs (*.mg)"]
        onAccepted: {
            if (_reconstruction.loadUrl(currentFile)) {
                MeshroomApp.addRecentProjectFile(currentFile.toString())
            }
        }
    }

    Platform.FileDialog {
        id: loadTemplateDialog
        options: Platform.FileDialog.DontUseNativeDialog
        title: "Load Template"
        nameFilters: ["Meshroom Graphs (*.mg)"]
        onAccepted: {
            // Open the template as a regular file
            if (_reconstruction.loadUrl(currentFile, true, true)) {
                MeshroomApp.addRecentProjectFile(currentFile.toString())
            }
        }
    }

    Platform.FileDialog {
        id: importImagesDialog
        options: Platform.FileDialog.DontUseNativeDialog
        title: "Import Images"
        fileMode: Platform.FileDialog.OpenFiles
        nameFilters: []
        onAccepted: {
            _reconstruction.importImagesUrls(currentFiles)
            imagesFolder = Filepath.dirname(currentFiles[0])
            MeshroomApp.addRecentImportedImagesFolder(imagesFolder)
        }
    }

    Platform.FileDialog {
        id: importProjectDialog
        options: Platform.FileDialog.DontUseNativeDialog
        title: "Import Project"
        fileMode: Platform.FileDialog.OpenFile
        nameFilters: ["Meshroom Graphs (*.mg)"]
        onAccepted: {
            graphEditor.uigraph.importProject(currentFile)
        }
    }

    Item {
        id: computeManager

        property bool warnIfUnsaved: true

        // Evaluate if graph computation can be submitted externally
        property bool canSubmit: _reconstruction ?
                                 _reconstruction.canSubmit                 // current setup allows to compute externally
                                 && _reconstruction.graph.filepath :       // graph is saved on disk
                                 false

        function compute(nodes, force) {
            if (!force && warnIfUnsaved && !_reconstruction.graph.filepath) {
                unsavedComputeDialog.selectedNodes = nodes;
                unsavedComputeDialog.open();
            }
            else {
                try {
                    _reconstruction.execute(nodes)
                }
                catch (error) {
                    const data = ErrorHandler.analyseError(error)
                    if (data.context === "COMPUTATION")
                        computeSubmitErrorDialog.openError(data.type, data.msg, nodes)
                }
            }
        }

        function submit(nodes) {
            if (!canSubmit) {
                unsavedSubmitDialog.open()
            } else {
                try {
                    _reconstruction.submit(nodes)
                }
                catch (error) {
                    const data = ErrorHandler.analyseError(error)
                    if (data.context === "SUBMITTING")
                        computeSubmitErrorDialog.openError(data.type, data.msg, nodes)
                }
            }
        }

        MessageDialog {
            id: computeSubmitErrorDialog

            property string errorType  // Used to specify signals' behavior
            property var currentNode: null

            function openError(type, msg, node) {
                errorType = type
                switch (type) {
                    case "Already Submitted": {
                            this.setupPendingStatusError(msg, node)
                            break
                    }
                    case "Compatibility Issue": {
                        this.setupCompatibilityIssue(msg)
                        break
                    }
                    default: {
                        this.onlyDisplayError(msg)
                    }
                }

                this.open()
            }

            function onlyDisplayError(msg) {
                text = msg

                standardButtons = Dialog.Ok
            }

            function setupPendingStatusError(msg, node) {
                currentNode = node
                text = msg + "\n\nDo you want to Clear Pending Status and Start Computing?"

                standardButtons = (Dialog.Ok | Dialog.Cancel)
            }

            function setupCompatibilityIssue(msg) {
                text = msg + "\n\nDo you want to open the Compatibility Manager?"

                standardButtons = (Dialog.Ok | Dialog.Cancel)
            }

            canCopy: false
            icon.text: MaterialIcons.warning
            parent: Overlay.overlay
            preset: "Warning"
            title: "Computation/Submitting"
            text: ""

            onAccepted: {
                switch (errorType) {
                    case "Already Submitted": {
                        close()
                        _reconstruction.graph.clearSubmittedNodes()
                        _reconstruction.execute(currentNode)
                        break
                    }
                    case "Compatibility Issue": {
                        close()
                        compatibilityManager.open()
                        break
                    }
                    default: close()
                }
            }

            onRejected: close()
        }

        MessageDialog {
            id: unsavedComputeDialog

            property var selectedNodes: null

            canCopy: false
            icon.text: MaterialIcons.warning
            parent: Overlay.overlay
            preset: "Warning"
            title: "Unsaved Project"
            text: "Data will be computed in the default cache folder if project remains unsaved."
            detailedText: "Default cache folder: " + (_reconstruction ? _reconstruction.graph.cacheDir : "unknown")
            helperText: "Save project first?"
            standardButtons: Dialog.Discard | Dialog.Cancel | Dialog.Save

            CheckBox {
                Layout.alignment: Qt.AlignRight
                text: "Don't ask again for this session"
                padding: 0
                onToggled: computeManager.warnIfUnsaved = !checked
            }

            Component.onCompleted: {
                // Set up discard button text
                standardButton(Dialog.Discard).text = "Continue without Saving"
            }

            onDiscarded: {
                close()
                computeManager.compute(selectedNodes, true)
            }

            onAccepted: saveAsAction.trigger()
        }

        MessageDialog {
            id: unsavedSubmitDialog

            canCopy: false
            icon.text: MaterialIcons.warning
            parent: Overlay.overlay
            preset: "Warning"
            title: "Unsaved Project"
            text: "The project cannot be submitted if it remains unsaved."
            helperText: "Save the project to be able to submit it?"
            standardButtons: Dialog.Cancel | Dialog.Save

            onDiscarded: close()
            onAccepted: saveAsAction.trigger()
        }

        MessageDialog {
            id: fileModifiedDialog

            canCopy: false
            icon.text: MaterialIcons.warning
            parent: Overlay.overlay
            preset: "Warning"
            title: "File Modified"
            text: "The file has been modified by another instance."
            detailedText: "Do you want to overwrite the file?"

            // Add a reload file button next to the save button
            footer: DialogButtonBox {
                position: DialogButtonBox.Footer
                standardButtons: Dialog.Save | Dialog.Cancel

                Button {
                    text: "Reload File"

                    onClicked: {
                        _reconstruction.loadUrl(_reconstruction.graph.filepath)
                        fileModifiedDialog.close()
                    }
                }
            }

            onAccepted: _reconstruction.save()
            onDiscarded: close()
        }
    }

    // Message dialogs
    MessageDialog {
        id: unsavedDialog

        property var _callback: undefined

        title: (_reconstruction ? Filepath.basename(_reconstruction.graph.filepath) : "") || "Unsaved Project"
        preset: "Info"
        canCopy: false
        text: _reconstruction && _reconstruction.graph.filepath ? "Current project has unsaved modifications."
                                             : "Current project has not been saved."
        helperText: _reconstruction && _reconstruction.graph.filepath ? "Would you like to save those changes?"
                                                   : "Would you like to save this project?"

        standardButtons: Dialog.Save | Dialog.Cancel | Dialog.Discard

        onDiscarded: {
            close() // BUG ? discard does not close window
            fireCallback()
        }

        onAccepted: {
            // Save current file
            if (saveAction.enabled && _reconstruction.graph.filepath) {
                saveAction.trigger()
                fireCallback()
            }
            // Open "Save As" dialog
            else {
                saveFileDialog.open()
                function _callbackWrapper(rc) {
                    if (rc === Platform.Dialog.Accepted)
                        fireCallback()

                    saveFileDialog.closed.disconnect(_callbackWrapper)
                }
                saveFileDialog.closed.connect(_callbackWrapper)
            }
        }

        function fireCallback()
        {
            // Call the callback and reset it
            if (_callback)
                _callback()
            _callback = undefined
        }

        /// Open the unsaved dialog warning with an optional
        /// callback to fire when the dialog is accepted/discarded
        function prompt(callback)
        {
            _callback = callback
            open()
        }
    }

    MessageDialog {
        id: computingAtExitDialog
        title: "Operation in progress"
        modal: true
        canCopy: false
        Label {
            text: "Please stop any local computation before exiting Meshroom"
        }
    }

    MessageDialog {
        // Popup displayed while the application
        // is busy building intrinsics while importing images
        id: buildingIntrinsicsDialog
        modal: true
        visible: _reconstruction ? _reconstruction.buildingIntrinsics : false
        closePolicy: Popup.NoAutoClose
        title: "Initializing Cameras"
        icon.text: MaterialIcons.camera
        icon.font.pointSize: 10
        canCopy: false
        standardButtons: Dialog.NoButton

        detailedText:  "Extracting images metadata and creating Camera intrinsics..."
        ProgressBar {
            indeterminate: true
            Layout.fillWidth: true
        }
    }

    AboutDialog {
        id: aboutDialog
    }

    DialogsFactory {
        id: dialogsFactory
    }

    CompatibilityManager {
        id: compatibilityManager
        uigraph: _reconstruction
    }


    // Actions
    Action {
        id: removeAllImagesAction
        property string tooltip: "Remove all the images from the current CameraInit group"
        text: "Remove All Images"
        onTriggered: {
            _reconstruction.removeAllImages()
            _reconstruction.selectedViewId = "-1"
        }
    }

    Action {
        id: removeImagesFromAllGroupsAction
        property string tooltip: "Remove all the images from all the CameraInit groups"
        text: "Remove Images From All CameraInit Nodes"
        onTriggered: {
            _reconstruction.removeImagesFromAllGroups()
            _reconstruction.selectedViewId = "-1"
        }
    }

    Action {
        id: undoAction

        property string tooltip: 'Undo "' + (_reconstruction ? _reconstruction.undoStack.undoText : "Unknown") + '"'
        text: "Undo"
        shortcut: "Ctrl+Z"
        enabled: _reconstruction ? _reconstruction.undoStack.canUndo && _reconstruction.undoStack.isUndoableIndex : false
        onTriggered: _reconstruction.undoStack.undo()
    }

    Action {
        id: redoAction

        property string tooltip: 'Redo "' + (_reconstruction ? _reconstruction.undoStack.redoText : "Unknown") + '"'
        text: "Redo"
        shortcut: "Ctrl+Shift+Z"
        enabled: _reconstruction ? _reconstruction.undoStack.canRedo && !_reconstruction.undoStack.lockedRedo : false
        onTriggered: _reconstruction.undoStack.redo()
    }

    Action {
        id: cutAction

        property string tooltip: {
            var s = "Copy selected node"
            s += (_reconstruction && _reconstruction.selectedNodes.count > 1 ? "s (" : " (") + getSelectedNodesName()
            s += ") to the clipboard and remove them from the graph"
            return s
        }
        text: "Cut Node" + (_reconstruction && _reconstruction.selectedNodes.count > 1 ? "s " : " ")
        enabled: _reconstruction ? _reconstruction.selectedNodes.count > 0 : false
        onTriggered: {
            graphEditor.copyNodes()
            graphEditor.uigraph.removeNodes(graphEditor.uigraph.selectedNodes)
        }
    }

    Action {
        id: copyAction

        property string tooltip: {
            var s = "Copy selected node"
            s += (_reconstruction && _reconstruction.selectedNodes.count > 1 ? "s (" : " (") + getSelectedNodesName()
            s += ") to the clipboard"
            return s
        }
        text: "Copy Node" + (_reconstruction && _reconstruction.selectedNodes.count > 1 ? "s " : " ")
        enabled: _reconstruction ? _reconstruction.selectedNodes.count > 0 : false
        onTriggered: graphEditor.copyNodes()
    }

    Action {
        id: pasteAction

        property string tooltip: "Paste the clipboard content to the project if it contains valid nodes"
        text: "Paste Node(s)"
        onTriggered: graphEditor.pasteNodes()
    }

    Action {
        id: loadTemplateAction

        property string tooltip: "Load a template like a regular project file (any \"Publish\" node will be displayed)"
        text: "Load Template"
        onTriggered: {
            ensureSaved(function() {
                initFileDialogFolder(loadTemplateDialog);
                loadTemplateDialog.open();
            })
        }
    }

    header: RowLayout {
        spacing: 0
        MaterialToolButton {
            id: homeButton
            text: MaterialIcons.home

            font.pointSize: 18

            background: Rectangle {
                color: homeButton.hovered ? activePalette.highlight : Qt.darker(activePalette.window, 1.15)
                border.color: Qt.darker(activePalette.window, 1.15)
            }

            onClicked: ensureSaved(function() {
                _reconstruction.clear()
                if (mainStack.depth == 1)
                    mainStack.replace("Homepage.qml")
                else
                    mainStack.pop()
            })
        }
        MenuBar {
            palette.window: Qt.darker(activePalette.window, 1.15)
            Menu {
                title: "File"
                Action {
                    id: newAction
                    text: "New"
                    shortcut: "Ctrl+N"
                    onTriggered: ensureSaved(function() {
                        _reconstruction.new()
                    })
                }
                Menu {
                    id: newPipelineMenu
                    title: "New Pipeline"
                    enabled: newPipelineMenuItems.model !== undefined && newPipelineMenuItems.model.length > 0
                    property int maxWidth: 1000
                    property int fullWidth: {
                        var result = 0;
                        for (var i = 0; i < count; ++i) {
                            var item = itemAt(i)
                            result = Math.max(item.implicitWidth + item.padding * 2, result)
                        }
                        return result;
                    }
                    implicitWidth: fullWidth
                    Repeater {
                        id: newPipelineMenuItems
                        model: MeshroomApp.pipelineTemplateFiles
                        MenuItem {
                            onTriggered: ensureSaved(function() {
                                _reconstruction.new(modelData["key"])
                            })

                            text: fileTextMetrics.elidedText
                            TextMetrics {
                                id: fileTextMetrics
                                text: modelData["name"]
                                elide: Text.ElideLeft
                                elideWidth: newPipelineMenu.maxWidth
                            }
                            ToolTip.text: modelData["path"]
                            ToolTip.visible: hovered
                            ToolTip.delay: 200
                        }
                    }
                }
                Action {
                    id: openActionItem
                    text: "Open"
                    shortcut: "Ctrl+O"
                    onTriggered: ensureSaved(function() {
                            initFileDialogFolder(openFileDialog)
                            openFileDialog.open()
                        })
                }
                Menu {
                    id: openRecentMenu
                    title: "Open Recent"
                    enabled: recentFilesMenuItems.model !== undefined && recentFilesMenuItems.model.length > 0
                    property int maxWidth: 1000
                    property int fullWidth: {
                        var result = 0;
                        for (var i = 0; i < count; ++i) {
                            var item = itemAt(i)
                            result = Math.max(item.implicitWidth + item.padding * 2, result)
                        }
                        return result
                    }
                    implicitWidth: fullWidth
                    Repeater {
                        id: recentFilesMenuItems
                        model: MeshroomApp.recentProjectFiles
                        MenuItem {
                            onTriggered: ensureSaved(function() {
                                openRecentMenu.dismiss()
                                if (_reconstruction.loadUrl(modelData["path"])) {
                                    MeshroomApp.addRecentProjectFile(modelData["path"])
                                } else {
                                    MeshroomApp.removeRecentProjectFile(modelData["path"])
                                }
                            })
                            
                            text: fileTextMetrics.elidedText
                            TextMetrics {
                                id: fileTextMetrics
                                text: modelData["path"]
                                elide: Text.ElideLeft
                                elideWidth: openRecentMenu.maxWidth
                            }
                        }
                    }
                }
                MenuSeparator { }
                Action {
                    id: saveAction
                    text: "Save"
                    shortcut: "Ctrl+S"
                    enabled: _reconstruction ? (_reconstruction.graph && !_reconstruction.graph.filepath) || !_reconstruction.undoStack.clean : false
                    onTriggered: {
                        if (_reconstruction.graph.filepath) {
                            // Get current time date
                            var date = _reconstruction.graph.getFileDateVersionFromPath(_reconstruction.graph.filepath)

                            // Check if the file has been modified by another instance
                            if (_reconstruction.graph.fileDateVersion !== date) {
                                fileModifiedDialog.open()
                            } else
                                _reconstruction.save()
                        } else {
                            initFileDialogFolder(saveFileDialog)
                            saveFileDialog.open()
                        }
                    }
                }
                Action {
                    id: saveAsAction
                    text: "Save As..."
                    shortcut: "Ctrl+Shift+S"
                    onTriggered: {
                        initFileDialogFolder(saveFileDialog)
                        saveFileDialog.open()
                    }
                }
                MenuSeparator { }
                Action {
                    id: importImagesAction
                    text: "Import Images"
                    shortcut: "Ctrl+I"
                    onTriggered: {
                        initFileDialogFolder(importImagesDialog, true)
                        importImagesDialog.open()
                    }
                }

                MenuItem {
                    action: removeAllImagesAction
                    ToolTip.visible: hovered
                    ToolTip.text: removeAllImagesAction.tooltip
                }

                MenuSeparator { }
                Menu {
                    id: advancedMenu
                    title: "Advanced"
                    implicitWidth: 300

                    Action {
                        id: saveAsTemplateAction
                        text: "Save As Template..."
                        shortcut: Shortcut {
                            sequence: "Ctrl+Shift+T"
                            context: Qt.ApplicationShortcut
                            onActivated: saveAsTemplateAction.triggered()
                        }
                        onTriggered: {
                            initFileDialogFolder(saveTemplateDialog)
                            saveTemplateDialog.open()
                        }
                    }

                    MenuItem {
                        action: loadTemplateAction
                        ToolTip.visible: hovered
                        ToolTip.text: loadTemplateAction.tooltip
                    }

                    Action {
                        id: importProjectAction
                        text: "Import Project"
                        shortcut: Shortcut {
                            sequence: "Ctrl+Shift+I"
                            context: Qt.ApplicationShortcut
                            onActivated: importProjectAction.triggered()
                        }
                        onTriggered: {
                            initFileDialogFolder(importProjectDialog)
                            importProjectDialog.open()
                        }
                    }

                    MenuItem {
                        action: removeImagesFromAllGroupsAction
                        ToolTip.visible: hovered
                        ToolTip.text: removeImagesFromAllGroupsAction.tooltip
                    }
                }
                MenuSeparator { }
                Action {
                    text: "Quit"
                    onTriggered: _window.close()
                }
            }
            Menu {
                title: "Edit"
                MenuItem {
                    action: undoAction
                    ToolTip.visible: hovered
                    ToolTip.text: undoAction.tooltip
                }
                MenuItem {
                    action: redoAction
                    ToolTip.visible: hovered
                    ToolTip.text: redoAction.tooltip
                }
                MenuItem {
                    action: cutAction
                    ToolTip.visible: hovered
                    ToolTip.text: cutAction.tooltip
                }
                MenuItem {
                    action: copyAction
                    ToolTip.visible: hovered
                    ToolTip.text: copyAction.tooltip
                }
                MenuItem {
                    action: pasteAction
                    ToolTip.visible: hovered
                    ToolTip.text: pasteAction.tooltip
                }
            }
            Menu {
                title: "View"
                MenuItem {
                    id: graphEditorVisibilityCB
                    text: "Graph Editor"
                    checkable: true
                    checked: true
                }
                MenuItem {
                    id: liveSfMVisibilityCB
                    text: "Live Reconstruction"
                    checkable: true
                    checked: false
                }
                MenuItem {
                    id: imageViewerVisibilityCB
                    text: "Image Viewer"
                    checkable: true
                    checked: true
                }
                MenuItem {
                    id: viewer3DVisibilityCB
                    text: "3D Viewer"
                    checkable: true
                    checked: true
                }
                MenuSeparator {}
                Action {
                    text: "Fullscreen"
                    checkable: true
                    checked: _window.visibility == ApplicationWindow.FullScreen
                    shortcut: "Ctrl+F"
                    onTriggered: _window.visibility == ApplicationWindow.FullScreen ? _window.showNormal() : showFullScreen()
                }
            }
            Menu {
                title: "Process"
                Action {
                    text: "Compute all nodes"
                    onTriggered: computeManager.compute(null)
                    enabled: _reconstruction ? !_reconstruction.computingLocally : false
                }
                Action {
                    text: "Submit all nodes"
                    onTriggered: computeManager.submit(null)
                    enabled: _reconstruction ? _reconstruction.canSubmit : false
                }
                MenuSeparator {}
                Action {
                    text: "Stop computation"
                    onTriggered: _reconstruction.stopExecution()
                    enabled: _reconstruction ? _reconstruction.computingLocally : false
                }
            }
            Menu {
                title: "Help"
                Action {
                    text: "Online Documentation"
                    onTriggered: Qt.openUrlExternally("https://meshroom-manual.readthedocs.io")
                }
                Action {
                    text: "About Meshroom"
                    onTriggered: aboutDialog.open()
                    // Should be StandardKey.HelpContents, but for some reason it's not stable
                    // (may cause crash, requires pressing F1 twice after closing the popup)
                    shortcut: "F1"
                }
            }
        }

        Rectangle {
            Layout.fillWidth: true
            Layout.fillHeight: true
            color: Qt.darker(activePalette.window, 1.15)
        }

        Row {
            // Process buttons
            MaterialToolButton {
                id: processButton

                font.pointSize: 18

                text: !(_reconstruction.computingLocally) ? MaterialIcons.send : MaterialIcons.cancel_schedule_send

                ToolTip.text: !(_reconstruction.computingLocally) ? "Start the computation" : "Stop the computation"
                ToolTip.visible: hovered

                background: Rectangle {
                    color: processButton.hovered ? activePalette.highlight : Qt.darker(activePalette.window, 1.15)
                    border.color: Qt.darker(activePalette.window, 1.15)
                }

                onClicked: !(_reconstruction.computingLocally) ? computeManager.compute(null) : _reconstruction.stopExecution()
            }

            MaterialToolButton {
                id: submitButton

                font.pointSize: 18

                visible: _reconstruction ? _reconstruction.canSubmit : false
                text: MaterialIcons.rocket_launch

                ToolTip.text: "Submit"
                ToolTip.visible: hovered

                background: Rectangle {
                    color: submitButton.hovered ? activePalette.highlight : Qt.darker(activePalette.window, 1.15)
                    border.color: Qt.darker(activePalette.window, 1.15)
                }

                onClicked: computeManager.submit(null)
            }
        }

        Rectangle {
            Layout.fillWidth: true
            Layout.fillHeight: true
            color: Qt.darker(activePalette.window, 1.15)
        }

        // CompatibilityManager indicator
        ToolButton {
            id: compatibilityIssuesButton
            visible: compatibilityManager.issueCount
            text: MaterialIcons.warning
            font.family: MaterialIcons.fontFamily
            palette.buttonText: "#FF9800"
            font.pointSize: 12
            onClicked: compatibilityManager.open()
            ToolTip.text: "Compatibility Issues"
            ToolTip.visible: hovered

            background: Rectangle {
                color: compatibilityIssuesButton.hovered ? activePalette.highlight : Qt.darker(activePalette.window, 1.15)
                border.color: Qt.darker(activePalette.window, 1.15)
            }
        }
    }

    footer: ToolBar {
        id: footer
        padding: 1
        leftPadding: 4
        rightPadding: 4
        palette.window: Qt.darker(activePalette.window, 1.15)

        // Cache Folder
        RowLayout {
            spacing: 0
            MaterialToolButton {
                font.pointSize: 8
                text: MaterialIcons.folder_open
                ToolTip.text: "Open Cache Folder"
                onClicked: Qt.openUrlExternally(Filepath.stringToUrl(_reconstruction.graph.cacheDir))
            }

            TextField {
                readOnly: true
                selectByMouse: true
                text: _reconstruction ? _reconstruction.graph.cacheDir : "Unknown"
                color: Qt.darker(palette.text, 1.2)
                background: Item {}
            }
        }
    }

    Connections {
        target: _reconstruction

        // Bind messages to DialogsFactory
        function createDialog(func, message) {
            var dialog = func(_window)
            // Set text afterwards to avoid dialog sizing issues
            dialog.title = message.title
            dialog.text = message.text
            dialog.detailedText = message.detailedText
        }

        function onGraphChanged() {
            // Open CompatibilityManager after file loading if any issue is detected
            if (compatibilityManager.issueCount)
                compatibilityManager.open()
            // Trigger fit to visualize all nodes
            graphEditor.fit()
        }

        function onInfo() { createDialog(dialogsFactory.info, arguments[0]) }
        function onWarning() { createDialog(dialogsFactory.warning, arguments[0]) }
        function onError() { createDialog(dialogsFactory.error, arguments[0]) }
    }

    Controls1.SplitView {
        anchors.fill: parent
        orientation: Qt.Vertical

        // Setup global tooltip style
        ToolTip.toolTip.background: Rectangle { color: activePalette.base; border.color: activePalette.mid }

        ColumnLayout {
            Layout.fillWidth: true
            Layout.fillHeight: true
            implicitHeight: Math.round(parent.height * 0.7)
            spacing: 4

            // "ProgressBar" reflecting status of all the chunks in the graph, in their process order
            NodeChunks {
                id: chunksListView
                Layout.fillWidth: true
                height: 6
                model: _reconstruction ? _reconstruction.sortedDFSChunks : null
                highlightChunks: false
            }

            WorkspaceView {
                id: workspaceView
                Layout.fillWidth: true
                Layout.fillHeight: true
                Layout.minimumHeight: 50
                reconstruction: _reconstruction
                readOnly: _reconstruction ? _reconstruction.computing : false

                function viewNode(node, mouse) {
                    // 2D viewer
                    viewer2D.tryLoadNode(node)

                    // 3D viewer
                    // By default we only display the first 3D item, except if it has the semantic flag "3D"
                    var alreadyDisplay = false
                    for (var i = 0; i < node.attributes.count; i++) {
                        var attr = node.attributes.at(i)
                        if (attr.isOutput && attr.desc.semantic !== "image")
                            if (!alreadyDisplay || attr.desc.semantic == "3D")
                                if (workspaceView.viewIn3D(attr, mouse))
                                      alreadyDisplay = true
                        }
                }

                function viewIn3D(attribute, mouse) {
                    if (!panel3dViewer || (!attribute.node.has3DOutput && !attribute.node.hasAttribute("useBoundingBox")))
                        return false
                    var loaded = panel3dViewer.viewer3D.view(attribute)

                    // solo media if Control modifier was held
                    if (loaded && mouse && mouse.modifiers & Qt.ControlModifier)
                        panel3dViewer.viewer3D.solo(attribute)
                    return loaded
                }
            }
        }

        Controls1.SplitView {
            orientation: Qt.Horizontal
            width: parent.width
            height: Math.round(parent.height * 0.3)
            visible: settingsUILayout.showGraphEditor

            TabPanel {
                id: graphEditorPanel
                Layout.fillWidth: true
                padding: 4
                tabs: ["Graph Editor", "Task Manager", "Script Editor"]

                headerBar: RowLayout {
                    MaterialToolButton {
                        text: MaterialIcons.refresh
                        ToolTip.text: "Refresh Nodes Status"
                        ToolTip.visible: hovered
                        font.pointSize: 11
                        padding: 2
                        onClicked: {
                            updatingStatus = true
                            _reconstruction.forceNodesStatusUpdate()
                            updatingStatus = false
                        }
                        property bool updatingStatus: false
                        enabled: !updatingStatus
                    }
                    MaterialToolButton {
                        id: filePollerRefreshStatus
                        text: {
                            if (_reconstruction.filePollerRefresh === 0)
                                return MaterialIcons.published_with_changes
                            else if (_reconstruction.filePollerRefresh === 2)
                                return MaterialIcons.sync
                            else
                                return MaterialIcons.sync_disabled
                        }
                        font.pointSize: 11
                        padding: 2
                        enabled: true
                        ToolTip {
                            id: filePollerTooltip
                            property string title: "Auto-Refresh Nodes Status For External Changes. "
                            property string description: "Check if the status of a node is changed by another instance on the same network, " +
                                                         "such as when computing in render farm."
                            text: {
                                var status = ""
                                if (_reconstruction.filePollerRefresh === 0)
                                    status = "Enabled"
                                else if (_reconstruction.filePollerRefresh === 2)
                                    status = "Minimal"
                                else
                                    status = "Disabled"
                                return title + "(Current: " + status + ")\n\n" + description
                            }
                            visible: filePollerRefreshStatus.hovered
                            contentWidth: 420
                        }
                        onClicked: {
                            refreshFilesMenu.open()
                        }
                        Menu {
                            id: refreshFilesMenu
                            width: 210
                            y: parent.height
                            x: -width + parent.width
                            MenuItem {
                                id: enableAutoRefresh
                                text: "Enable Auto-Refresh"
                                checkable: true
                                checked: _reconstruction.filePollerRefresh === 0
                                ToolTip.text: "Check every file's status periodically"
                                ToolTip.visible: hovered
                                ToolTip.delay: 200
                                onToggled: {
                                    if (checked) {
                                        disableAutoRefresh.checked = false
                                        minimalAutoRefresh.checked = false
                                        _reconstruction.filePollerRefreshChanged(0)
                                    }
                                    // Prevents cases where the user unchecks the currently checked option
                                    enableAutoRefresh.checked = true
                                    filePollerRefreshStatus.text = MaterialIcons.published_with_changes
                                    filePollerTooltip.text = filePollerTooltip.title + "(Current: Enabled)\n\n" + filePollerTooltip.description
                                }
                            }
                            MenuItem {
                                id: disableAutoRefresh
                                text: "Disable Auto-Refresh"
                                checkable: true
                                checked: _reconstruction.filePollerRefresh === 1
                                ToolTip.text: "No file status will be checked"
                                ToolTip.visible: hovered
                                ToolTip.delay: 200
                                onToggled: {
                                    if (checked) {
                                        enableAutoRefresh.checked = false
                                        minimalAutoRefresh.checked = false
                                        _reconstruction.filePollerRefreshChanged(1)
                                    }
                                    // Prevents cases where the user unchecks the currently checked option
                                    disableAutoRefresh.checked = true
                                    filePollerRefreshStatus.text = MaterialIcons.sync_disabled
                                    filePollerTooltip.text = filePollerTooltip.title + "(Current: Disabled)\n\n" + filePollerTooltip.description
                                }
                            }
                            MenuItem {
                                id: minimalAutoRefresh
                                text: "Enable Minimal Auto-Refresh"
                                checkable: true
                                checked: _reconstruction.filePollerRefresh === 2
                                ToolTip.text: "Check the file status of submitted or running chunks periodically"
                                ToolTip.visible: hovered
                                ToolTip.delay: 200
                                onToggled: {
                                    if (checked) {
                                        disableAutoRefresh.checked = false
                                        enableAutoRefresh.checked = false
                                        _reconstruction.filePollerRefreshChanged(2)
                                    }
                                    // Prevents cases where the user unchecks the currently checked option
                                    minimalAutoRefresh.checked = true
                                    filePollerRefreshStatus.text = MaterialIcons.sync
                                    filePollerTooltip.text = filePollerTooltip.title + "(Current: Minimal)\n\n" + filePollerTooltip.description
                                }
                            }
                        }
                    }
                    MaterialToolButton {
                        text: MaterialIcons.more_vert
                        font.pointSize: 11
                        padding: 2
                        onClicked: graphEditorMenu.open()
                        checkable: true
                        checked: graphEditorMenu.visible
                        Menu {
                            id: graphEditorMenu
                            y: parent.height
                            x: -width + parent.width
                            MenuItem {
                                text: "Clear Pending Status"
                                enabled: _reconstruction ? !_reconstruction.computingLocally : false
                                onTriggered: _reconstruction.graph.clearSubmittedNodes()
                            }
                            MenuItem {
                                text: "Force Unlock Nodes"
                                onTriggered: _reconstruction.graph.forceUnlockNodes()
                            }
                        }
                    }
                }

                GraphEditor {
                    id: graphEditor

                    visible: graphEditorPanel.currentTab === 0

                    anchors.fill: parent
                    uigraph: _reconstruction
                    nodeTypesModel: _nodeTypes

                    onNodeDoubleClicked: {
                        _reconstruction.setActiveNode(node);
                        workspaceView.viewNode(node, mouse);
                    }
                    onComputeRequest: {
                        _reconstruction.forceNodesStatusUpdate();
                        computeManager.compute(nodes)
                    }
                    onSubmitRequest: {
                        _reconstruction.forceNodesStatusUpdate();
                        computeManager.submit(nodes)
                    }
                    onFilesDropped: {
                        var filesByType = _reconstruction.getFilesByTypeFromDrop(drop.urls)
                        if (filesByType["meshroomScenes"].length == 1) {
                            ensureSaved(function() {
                                if (_reconstruction.handleFilesUrl(filesByType, null, mousePosition)) {
                                    MeshroomApp.addRecentProjectFile(filesByType["meshroomScenes"][0])
                                }
                            })
                        } else {
                            _reconstruction.handleFilesUrl(filesByType, null, mousePosition)
                        }
                    }
                }

                TaskManager {
                    id: taskManager

                    visible: graphEditorPanel.currentTab === 1

                    uigraph: _reconstruction
                    taskManager: _reconstruction ? _reconstruction.taskManager : null

                    anchors.fill: parent
                }

                ScriptEditor {
                    id: scriptEditor

                    visible: graphEditorPanel.currentTab === 2
                    anchors.fill: parent
                }
            }

            NodeEditor {
                id: nodeEditor
                width: Math.round(parent.width * 0.3)
                node: _reconstruction ? _reconstruction.selectedNode : null
                property bool computing: _reconstruction ? _reconstruction.computing : false
                // Make NodeEditor readOnly when computing
                readOnly: node ? node.locked : false

                onUpgradeRequest: {
                    var n = _reconstruction.upgradeNode(node)
                    _reconstruction.selectedNode = n
                }
            }
        }
    }
}