public BuilderExplorer(
            BuilderViewport viewport,
            BuilderSelection selection,
            BuilderClassDragger classDragger,
            BuilderHierarchyDragger hierarchyDragger,
            BuilderElementContextMenu contextMenuManipulator,
            VisualElement documentElementRoot,
            HighlightOverlayPainter highlightOverlayPainter,
            string toolbarUxmlPath)
        {
            m_Viewport            = viewport;
            m_DocumentElementRoot = documentElementRoot;
            m_DocumentElement     = viewport.documentElement;
            AddToClassList(s_UssClassName);

            m_ClassDragger           = classDragger;
            m_HierarchyDragger       = hierarchyDragger;
            m_ContextMenuManipulator = contextMenuManipulator;

            m_SelectionMadeExternally = false;

            m_Selection = selection;

            // TODO: Transfer to own USS.
            var sheet = EditorGUIUtility.Load(k_DefaultStyleSheetPath) as StyleSheet;

            styleSheets.Add(sheet);
            StyleSheet colorSheet;

            if (EditorGUIUtility.isProSkin)
            {
                colorSheet = EditorGUIUtility.Load(k_DefaultDarkStyleSheetPath) as StyleSheet;
            }
            else
            {
                colorSheet = EditorGUIUtility.Load(k_DefaultLightStyleSheetPath) as StyleSheet;
            }
            styleSheets.Add(colorSheet);

            // Query the UI
            if (!string.IsNullOrEmpty(toolbarUxmlPath))
            {
                var template = AssetDatabase.LoadAssetAtPath <VisualTreeAsset>(toolbarUxmlPath);
                template.CloneTree(this);
            }

            // Create the Hierarchy View.
            m_ElementHierarchyView = new ElementHierarchyView(
                m_DocumentElement,
                selection, classDragger, hierarchyDragger,
                contextMenuManipulator, ElementSelected, highlightOverlayPainter);
            m_ElementHierarchyView.style.flexGrow = 1;
            Add(m_ElementHierarchyView);

            // Make sure the Hierarchy View gets focus when the pane gets focused.
            primaryFocusable = m_ElementHierarchyView.Q <ListView>();

            UpdateHierarchyAndSelection(false);
            m_ShouldRebuildHierarchyOnStyleChange = true;
        }
Exemple #2
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        public BuilderExplorer(
            BuilderPaneWindow paneWindow,
            BuilderViewport viewport,
            BuilderSelection selection,
            BuilderClassDragger classDragger,
            BuilderExplorerDragger explorerDragger,
            BuilderElementContextMenu contextMenuManipulator,
            VisualElement documentElementRoot,
            bool includeDocumentElementRoot,
            HighlightOverlayPainter highlightOverlayPainter,
            string toolbarUxmlPath)
        {
            m_PaneWindow                 = paneWindow;
            m_Viewport                   = viewport;
            m_DocumentElementRoot        = documentElementRoot;
            m_IncludeDocumentElementRoot = includeDocumentElementRoot;
            m_DocumentElement            = viewport.documentElement;
            AddToClassList(s_UssClassName);

            m_ClassDragger           = classDragger;
            m_ExplorerDragger        = explorerDragger;
            m_ContextMenuManipulator = contextMenuManipulator;

            m_SelectionMadeExternally = false;

            m_Selection = selection;


            // Query the UI
            if (!string.IsNullOrEmpty(toolbarUxmlPath))
            {
                var template = AssetDatabase.LoadAssetAtPath <VisualTreeAsset>(toolbarUxmlPath);
                template.CloneTree(this);
            }

            // Create the Hierarchy View.
            m_ElementHierarchyView = new ElementHierarchyView(
                m_PaneWindow,
                m_DocumentElement,
                selection, classDragger, explorerDragger,
                contextMenuManipulator, ElementSelectionChanged, highlightOverlayPainter);
            m_ElementHierarchyView.style.flexGrow = 1;
            Add(m_ElementHierarchyView);

            // Enable horizontal scrolling.
#if UNITY_2020_2_OR_NEWER
            m_ElementHierarchyView.Q <TreeView>().horizontalScrollingEnabled = true;
#endif

            // Make sure the Hierarchy View gets focus when the pane gets focused.
            primaryFocusable = m_ElementHierarchyView.Q <ListView>();

            UpdateHierarchyAndSelection(false);
            m_ShouldRebuildHierarchyOnStyleChange = true;
        }
 public BuilderHierarchy(
     BuilderViewport viewport,
     BuilderSelection selection,
     BuilderClassDragger classDragger,
     BuilderHierarchyDragger hierarchyDragger,
     BuilderElementContextMenu contextMenuManipulator,
     HighlightOverlayPainter highlightOverlayPainter)
     : base(
         viewport,
         selection,
         classDragger,
         hierarchyDragger,
         contextMenuManipulator,
         viewport.documentElement,
         highlightOverlayPainter,
         null)
 {
     viewDataKey = "builder-hierarchy";
 }
        public BuilderHierarchy(
            BuilderViewport viewport,
            BuilderSelection selection,
            BuilderClassDragger classDragger,
            BuilderHierarchyDragger hierarchyDragger,
            BuilderElementContextMenu contextMenuManipulator,
            HighlightOverlayPainter highlightOverlayPainter)
            : base(
                viewport,
                selection,
                classDragger,
                hierarchyDragger,
                contextMenuManipulator,
                viewport.documentElement,
                highlightOverlayPainter,
                kToolbarPath)
        {
            viewDataKey = "builder-hierarchy";

            m_HierarchyTypeClassVisibilityMenu = this.Q <ToolbarMenu>("hierarchy-visibility-toolbar-menu");
            SetUpHierarchyVisibilityMenu();
        }
        public override void CreateUI()
        {
            var root = rootVisualElement;

            titleContent       = GetLocalizedTitleContent();
            saveChangesMessage = BuilderConstants.SaveDialogSaveChangesPromptMessage;

            // Load assets.
            var builderTemplate = BuilderPackageUtilities.LoadAssetAtPath <VisualTreeAsset>(BuilderConstants.UIBuilderPackagePath + "/Builder.uxml");

            // Load templates.
            builderTemplate.CloneTree(root);

            // Create overlay painter.
            m_HighlightOverlayPainter = new HighlightOverlayPainter();

            // Fetch the tooltip previews.
            var styleSheetsPaneTooltipPreview = root.Q <BuilderTooltipPreview>("stylesheets-pane-tooltip-preview");
            var libraryTooltipPreview         = root.Q <BuilderTooltipPreview>("library-tooltip-preview");

            // Create selection.
            m_Selection = new BuilderSelection(root, this);

            // Create Element Context Menu Manipulator
            var contextMenuManipulator = new BuilderElementContextMenu(this, selection);

            // Create viewport first.
            m_Viewport = new BuilderViewport(this, selection, contextMenuManipulator);
            selection.documentRootElement = m_Viewport.documentRootElement;
            var overlayHelper = viewport.Q <OverlayPainterHelperElement>();

            overlayHelper.painter = m_HighlightOverlayPainter;

            // Create the rest of the panes.
            var classDragger       = new BuilderClassDragger(this, root, selection, m_Viewport, m_Viewport.parentTracker);
            var styleSheetsDragger = new BuilderStyleSheetsDragger(this, root, selection);
            var styleSheetsPane    = new BuilderStyleSheets(this, m_Viewport, selection, classDragger, styleSheetsDragger, m_HighlightOverlayPainter, styleSheetsPaneTooltipPreview);
            var hierarchyDragger   = new BuilderHierarchyDragger(this, root, selection, m_Viewport, m_Viewport.parentTracker)
            {
                builderStylesheetRoot = styleSheetsPane.container
            };

            m_Hierarchy = new BuilderHierarchy(this, m_Viewport, selection, classDragger, hierarchyDragger, contextMenuManipulator, m_HighlightOverlayPainter);

            var libraryDragger = new BuilderLibraryDragger(this, root, selection, m_Viewport, m_Viewport.parentTracker, hierarchy.container, libraryTooltipPreview)
            {
                builderStylesheetRoot = styleSheetsPane.container
            };

            m_Viewport.viewportDragger.builderHierarchyRoot = hierarchy.container;
            m_Library     = new BuilderLibrary(this, m_Viewport, selection, libraryDragger, libraryTooltipPreview);
            m_Inspector   = new BuilderInspector(this, selection, m_HighlightOverlayPainter);
            m_Toolbar     = new BuilderToolbar(this, selection, m_Viewport, hierarchy, m_Library, m_Inspector, libraryTooltipPreview);
            m_UxmlPreview = new BuilderUxmlPreview(this);
            m_UssPreview  = new BuilderUssPreview(this, selection);
            root.Q("viewport").Add(m_Viewport);
            m_Viewport.toolbar.Add(m_Toolbar);
            root.Q("library").Add(m_Library);
            root.Q("style-sheets").Add(styleSheetsPane);
            root.Q("hierarchy").Add(hierarchy);
            root.Q("uxml-preview").Add(m_UxmlPreview);
            root.Q("uss-preview").Add(m_UssPreview);
            root.Q("inspector").Add(m_Inspector);

            // Init selection.
            selection.AssignNotifiers(new IBuilderSelectionNotifier[]
            {
                document,
                m_Viewport,
                styleSheetsPane,
                hierarchy,
                m_Inspector,
                m_Library,
                m_UxmlPreview,
                m_UssPreview,
                m_Toolbar,
                m_Viewport.parentTracker,
                m_Viewport.resizer,
                m_Viewport.mover,
                m_Viewport.anchorer,
                m_Viewport.selectionIndicator
            });

            // Command Handler
            commandHandler.RegisterPane(styleSheetsPane);
            commandHandler.RegisterPane(hierarchy);
            commandHandler.RegisterPane(m_Viewport);
            commandHandler.RegisterToolbar(m_Toolbar);

            m_MiddleSplitView = rootVisualElement.Q <TwoPaneSplitView>("middle-column");
            m_MiddleSplitView.RegisterCallback <GeometryChangedEvent>(OnFirstDisplay);

            OnEnableAfterAllSerialization();
        }
        public BuilderStyleSheets(
            BuilderPaneWindow paneWindow,
            BuilderViewport viewport,
            BuilderSelection selection,
            BuilderClassDragger classDragger,
            BuilderStyleSheetsDragger styleSheetsDragger,
            HighlightOverlayPainter highlightOverlayPainter,
            BuilderTooltipPreview tooltipPreview)
            : base(
                paneWindow,
                viewport,
                selection,
                classDragger,
                styleSheetsDragger,
                new BuilderStyleSheetsContextMenu(paneWindow, selection),
                viewport.styleSelectorElementContainer,
                false,
                highlightOverlayPainter,
                kToolbarPath)
        {
            m_TooltipPreview = tooltipPreview;
            if (m_TooltipPreview != null)
            {
                var helpTooltipTemplate  = BuilderPackageUtilities.LoadAssetAtPath <VisualTreeAsset>(kHelpTooltipPath);
                var helpTooltipContainer = helpTooltipTemplate.CloneTree();
                m_TooltipPreview.Add(helpTooltipContainer); // We are the only ones using it so just add the contents and be done.
            }

            viewDataKey = "builder-style-sheets";
            AddToClassList(BuilderConstants.ExplorerStyleSheetsPaneClassName);

            var parent = this.Q("new-selector-item");

            // Init text field.
            m_NewSelectorField     = parent.Q <BuilderNewSelectorField>("new-selector-field");
            m_NewSelectorTextField = m_NewSelectorField.textField;
            m_NewSelectorTextField.SetValueWithoutNotify(BuilderConstants.ExplorerInExplorerNewClassSelectorInfoMessage);
            m_NewSelectorTextInputField = m_NewSelectorTextField.Q("unity-text-input");
            m_NewSelectorTextInputField.RegisterCallback <KeyDownEvent>(OnEnter, TrickleDown.TrickleDown);
            UpdateNewSelectorFieldEnabledStateFromDocument();

            m_NewSelectorTextInputField.RegisterCallback <FocusEvent>((evt) =>
            {
                var input        = evt.target as VisualElement;
                var field        = GetTextFieldParent(input);
                m_FieldFocusStep = FieldFocusStep.FocusedFromStandby;
                if (field.text == BuilderConstants.ExplorerInExplorerNewClassSelectorInfoMessage || m_ShouldRefocusSelectorFieldOnBlur)
                {
                    m_ShouldRefocusSelectorFieldOnBlur = false;
                    field.value = BuilderConstants.UssSelectorClassNameSymbol;
                }

                ShowTooltip();
            }, TrickleDown.TrickleDown);

            m_NewSelectorTextField.RegisterCallback <ChangeEvent <string> >((evt) =>
            {
                if (m_FieldFocusStep != FieldFocusStep.FocusedFromStandby)
                {
                    return;
                }

                m_FieldFocusStep = m_NewSelectorTextField.value == BuilderConstants.UssSelectorClassNameSymbol ? FieldFocusStep.NeedsSelectionOverride : FieldFocusStep.Idle;

                // We don't want the '.' we just inserted in the FocusEvent to be highlighted,
                // which is the default behavior. Same goes for when we add pseudo states with options menu.
                m_NewSelectorTextField.SelectRange(m_NewSelectorTextField.value.Length, m_NewSelectorTextField.value.Length);
            });

            // Since MouseDown captures the mouse, we need to RegisterCallback directly on the target in order to intercept the event.
            // This could be replaced by setting selectAllOnMouseUp to false.
            m_NewSelectorTextInputField.Q <TextElement>().RegisterCallback <MouseUpEvent>((evt) =>
            {
                // We want to prevent the default action on mouse up in KeyboardTextEditor, but only when
                // the field selection behaviour was changed by us.
                if (m_FieldFocusStep != FieldFocusStep.NeedsSelectionOverride)
                {
                    return;
                }

                m_FieldFocusStep = FieldFocusStep.Idle;

                // Reselect on the next execution, after the KeyboardTextEditor selects all.
                m_NewSelectorTextInputField.schedule.Execute(() =>
                {
                    m_NewSelectorTextField.SelectRange(m_NewSelectorTextField.value.Length, m_NewSelectorTextField.value.Length);
                });
            }, TrickleDown.TrickleDown);

            m_NewSelectorTextInputField.RegisterCallback <BlurEvent>((evt) =>
            {
                var input = evt.target as VisualElement;
                var field = GetTextFieldParent(input);
                if (m_ShouldRefocusSelectorFieldOnBlur)
                {
                    field.schedule.Execute(PostEnterRefocus);
                    evt.PreventDefault();
                    evt.StopImmediatePropagation();
                    return;
                }

                if (string.IsNullOrEmpty(field.text) || field.text == BuilderConstants.UssSelectorClassNameSymbol)
                {
                    field.SetValueWithoutNotify(BuilderConstants.ExplorerInExplorerNewClassSelectorInfoMessage);
                    m_PseudoStatesMenu.SetEnabled(false);
                }

                HideTooltip();
            }, TrickleDown.TrickleDown);

            // Setup New USS Menu.
            m_AddUSSMenu = parent.Q <ToolbarMenu>("add-uss-menu");
            SetUpAddUSSMenu();

            // Setup pseudo states menu.
            m_PseudoStatesMenu = m_NewSelectorField.pseudoStatesMenu;

            // Update sub title.
            UpdateSubtitleFromActiveUSS();

            // Init drag stylesheet root
            classDragger.builderStylesheetRoot       = container;
            styleSheetsDragger.builderStylesheetRoot = container;

            RegisterCallback <GeometryChangedEvent>(e => AdjustPosition());
        }
Exemple #7
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        public ElementHierarchyView(
            VisualElement documentRootElement,
            BuilderSelection selection,
            BuilderClassDragger classDragger,
            BuilderHierarchyDragger hierarchyDragger,
            BuilderElementContextMenu contextMenuManipulator,
            Action <VisualElement> selectElementCallback,
            HighlightOverlayPainter highlightOverlayPainter)
        {
            m_DocumentRootElement    = documentRootElement;
            m_Selection              = selection;
            m_ClassDragger           = classDragger;
            m_HierarchyDragger       = hierarchyDragger;
            m_ContextMenuManipulator = contextMenuManipulator;

            this.focusable = true;

            m_SelectElementCallback = selectElementCallback;
            hierarchyHasChanged     = true;

            m_SearchResultsHightlights = new List <VisualElement>();

            this.RegisterCallback <FocusEvent>(e => m_TreeView?.Focus());

            // HACK: ListView/TreeView need to clear their selections when clicking on nothing.
            this.RegisterCallback <MouseDownEvent>(e =>
            {
                var leafTarget = e.leafTarget as VisualElement;
                if (leafTarget.parent is ScrollView)
                {
                    ClearSelection();
                }
            });

            m_TreeViewHoverOverlay = highlightOverlayPainter;

            m_Container                             = new VisualElement();
            m_Container.name                        = "explorer-container";
            m_Container.style.flexGrow              = 1;
            m_ClassDragger.builderHierarchyRoot     = m_Container;
            m_HierarchyDragger.builderHierarchyRoot = m_Container;
            Add(m_Container);

            m_SearchBar = new ElementHierarchySearchBar(this);
            Add(m_SearchBar);

            // TODO: Hiding for now since search does not work, especially with style class pills.
            m_SearchBar.style.display = DisplayStyle.None;

            m_ClassPillTemplate = AssetDatabase.LoadAssetAtPath <VisualTreeAsset>(
                BuilderConstants.UIBuilderPackagePath + "/BuilderClassPill.uxml");

            // Create TreeView.
            m_TreeRootItems           = new List <ITreeViewItem>();
            m_TreeView                = new TreeView(m_TreeRootItems, 20, MakeItem, FillItem);
            m_TreeView.viewDataKey    = "unity-builder-explorer-tree";
            m_TreeView.style.flexGrow = 1;
#if UNITY_2020_1_OR_NEWER
            m_TreeView.onSelectionChange += OnSelectionChange;
#else
            m_TreeView.onSelectionChanged += OnSelectionChange;
#endif

#if UNITY_2019_3_OR_NEWER
            m_TreeView.RegisterCallback <MouseDownEvent>(OnLeakedMouseClick);
#endif

            m_Container.Add(m_TreeView);

            m_ContextMenuManipulator.RegisterCallbacksOnTarget(m_Container);
        }
Exemple #8
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        public override void CreateUI()
        {
            var root = rootVisualElement;

            // Load assets.
            var builderTemplate    = AssetDatabase.LoadAssetAtPath <VisualTreeAsset>(BuilderConstants.UIBuilderPackagePath + "/Builder.uxml");
            var saveDialogTemplate = AssetDatabase.LoadAssetAtPath <VisualTreeAsset>(BuilderConstants.UIBuilderPackagePath + "/BuilderSaveDialog.uxml");

            // Load templates.
            builderTemplate.CloneTree(root);
            saveDialogTemplate.CloneTree(root);

            // Create overlay painter.
            m_HighlightOverlayPainter = new HighlightOverlayPainter();

            // Fetch the save dialog.
            var dialog = root.Q <ModalPopup>("save-dialog");

            // Fetch the tooltip previews.
            var styleSheetsPaneTooltipPreview = root.Q <BuilderTooltipPreview>("stylesheets-pane-tooltip-preview");
            var libraryTooltipPreview         = root.Q <BuilderTooltipPreview>("library-tooltip-preview");

            // Create selection.
            m_Selection = new BuilderSelection(root, this);

            // Create Element Context Menu Manipulator
            var contextMenuManipulator = new BuilderElementContextMenu(this, selection);

            // Create viewport first.
            m_Viewport = new BuilderViewport(this, selection, contextMenuManipulator);
            selection.documentElement = m_Viewport.documentElement;
            var overlayHelper = viewport.Q <OverlayPainterHelperElement>();

            overlayHelper.painter = m_HighlightOverlayPainter;

            // Create the rest of the panes.
            var classDragger     = new BuilderClassDragger(this, root, selection, m_Viewport, m_Viewport.parentTracker);
            var hierarchyDragger = new BuilderHierarchyDragger(this, root, selection, m_Viewport, m_Viewport.parentTracker);
            var styleSheetsPane  = new BuilderStyleSheets(m_Viewport, selection, classDragger, hierarchyDragger, contextMenuManipulator, m_HighlightOverlayPainter, styleSheetsPaneTooltipPreview);
            var hierarchy        = new BuilderHierarchy(m_Viewport, selection, classDragger, hierarchyDragger, contextMenuManipulator, m_HighlightOverlayPainter);
            var libraryDragger   = new BuilderLibraryDragger(this, root, selection, m_Viewport, m_Viewport.parentTracker, hierarchy.container, libraryTooltipPreview);

            m_Library     = new BuilderLibrary(this, m_Viewport, selection, libraryDragger, libraryTooltipPreview);
            m_Inspector   = new BuilderInspector(this, selection);
            m_Toolbar     = new BuilderToolbar(this, selection, dialog, m_Viewport, hierarchy, m_Library, m_Inspector, libraryTooltipPreview);
            m_UxmlPreview = new BuilderUxmlPreview(this);
            m_UssPreview  = new BuilderUssPreview(this);
            root.Q("viewport").Add(m_Viewport);
            m_Viewport.toolbar.Add(m_Toolbar);
            root.Q("library").Add(m_Library);
            root.Q("style-sheets").Add(styleSheetsPane);
            root.Q("hierarchy").Add(hierarchy);
            root.Q("uxml-preview").Add(m_UxmlPreview);
            root.Q("uss-preview").Add(m_UssPreview);
            root.Q("inspector").Add(m_Inspector);

            // Init selection.
            selection.AssignNotifiers(new IBuilderSelectionNotifier[]
            {
                document,
                m_Viewport,
                styleSheetsPane,
                hierarchy,
                m_Inspector,
                m_UxmlPreview,
                m_UssPreview,
                m_Viewport.parentTracker,
                m_Viewport.resizer,
                m_Viewport.mover,
                m_Viewport.anchorer
            });

            // Command Handler
            commandHandler.RegisterPane(styleSheetsPane);
            commandHandler.RegisterPane(hierarchy);
            commandHandler.RegisterPane(m_Viewport);
            commandHandler.RegisterToolbar(m_Toolbar);

            OnEnableAfterAllSerialization();
        }
Exemple #9
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        public BuilderStyleSheets(
            BuilderViewport viewport,
            BuilderSelection selection,
            BuilderClassDragger classDragger,
            BuilderHierarchyDragger hierarchyDragger,
            BuilderExplorerContextMenu contextMenuManipulator,
            HighlightOverlayPainter highlightOverlayPainter,
            BuilderTooltipPreview tooltipPreview)
            : base(
                viewport,
                selection,
                classDragger,
                hierarchyDragger,
                contextMenuManipulator,
                viewport.styleSelectorElementContainer,
                highlightOverlayPainter,
                kToolbarPath)
        {
            m_TooltipPreview = tooltipPreview;
            if (m_TooltipPreview != null)
            {
                var helpTooltipTemplate  = AssetDatabase.LoadAssetAtPath <VisualTreeAsset>(kHelpTooltipPath);
                var helpTooltipContainer = helpTooltipTemplate.CloneTree();
                m_TooltipPreview.Add(helpTooltipContainer); // We are the only ones using it so just add the contents and be done.
            }

            viewDataKey = "builder-style-sheets";
            AddToClassList(BuilderConstants.ExplorerStyleSheetsPaneClassName);

            var parent = this.Q("new-selector-item");

            // Init text field.
            m_NewSelectorTextField = parent.Q <TextField>("new-selector-field");
            m_NewSelectorTextField.SetValueWithoutNotify(BuilderConstants.ExplorerInExplorerNewClassSelectorInfoMessage);
            m_NewSelectorTextInputField = m_NewSelectorTextField.Q("unity-text-input");
            m_NewSelectorTextInputField.RegisterCallback <KeyDownEvent>(OnEnter, TrickleDown.TrickleDown);

            m_NewSelectorTextInputField.RegisterCallback <FocusEvent>((evt) =>
            {
                var input = evt.target as VisualElement;
                var field = input.parent as TextField;
                m_FieldFocusedFromStandby = true;
                if (field.text == BuilderConstants.ExplorerInExplorerNewClassSelectorInfoMessage || m_NewSelectorJustCreated)
                {
                    m_NewSelectorJustCreated = false;
                    field.value = BuilderConstants.UssSelectorClassNameSymbol;
                }

                ShowTooltip();
            });

            m_NewSelectorTextField.RegisterCallback <ChangeEvent <string> >((evt) =>
            {
                var field = evt.target as TextField;

                if (!string.IsNullOrEmpty(evt.newValue) && evt.newValue != BuilderConstants.UssSelectorClassNameSymbol)
                {
                    m_NewSelectorAddButton.SetEnabled(true);
                    m_PseudoStatesMenu.SetEnabled(true);
                }
                else
                {
                    m_NewSelectorAddButton.SetEnabled(false);
                    m_PseudoStatesMenu.SetEnabled(false);
                }

                if (!m_FieldFocusedFromStandby)
                {
                    return;
                }

                m_FieldFocusedFromStandby = false;

                // We don't want the '.' we just inserted in the FocusEvent to be highlighted,
                // which is the default behavior.
                field.SelectRange(1, 1);
            });

            m_NewSelectorTextInputField.RegisterCallback <BlurEvent>((evt) =>
            {
                var input = evt.target as VisualElement;
                var field = input.parent as TextField;
                if (m_NewSelectorJustCreated)
                {
                    field.schedule.Execute(PostEnterRefocus);
                    evt.PreventDefault();
                    evt.StopImmediatePropagation();
                    return;
                }

                if (string.IsNullOrEmpty(field.text) || field.text == BuilderConstants.UssSelectorClassNameSymbol)
                {
                    field.SetValueWithoutNotify(BuilderConstants.ExplorerInExplorerNewClassSelectorInfoMessage);
                    m_NewSelectorAddButton.SetEnabled(false);
                    m_PseudoStatesMenu.SetEnabled(false);
                }

                HideTooltip();
            });

            // Setup new selector button.
            m_NewSelectorAddButton = parent.Q <ToolbarButton>("add-new-selector-button");
            m_NewSelectorAddButton.clickable.clicked += OnAddPress;
            m_NewSelectorAddButton.SetEnabled(false);

            // Setup pseudo states menu.
            m_PseudoStatesMenu = parent.Q <ToolbarMenu>("add-pseudo-state-menu");
            m_PseudoStatesMenu.SetEnabled(false);
            SetUpPseudoStatesMenu();
        }
        public BuilderStyleSheets(
            BuilderPaneWindow paneWindow,
            BuilderViewport viewport,
            BuilderSelection selection,
            BuilderClassDragger classDragger,
            BuilderStyleSheetsDragger styleSheetsDragger,
            HighlightOverlayPainter highlightOverlayPainter,
            BuilderTooltipPreview tooltipPreview)
            : base(
                paneWindow,
                viewport,
                selection,
                classDragger,
                styleSheetsDragger,
                new BuilderStyleSheetsContextMenu(paneWindow, selection),
                viewport.styleSelectorElementContainer,
                false,
                highlightOverlayPainter,
                kToolbarPath)
        {
            m_TooltipPreview = tooltipPreview;
            if (m_TooltipPreview != null)
            {
                var helpTooltipTemplate  = AssetDatabase.LoadAssetAtPath <VisualTreeAsset>(kHelpTooltipPath);
                var helpTooltipContainer = helpTooltipTemplate.CloneTree();
                m_TooltipPreview.Add(helpTooltipContainer); // We are the only ones using it so just add the contents and be done.
            }

            viewDataKey = "builder-style-sheets";
            AddToClassList(BuilderConstants.ExplorerStyleSheetsPaneClassName);

            var parent = this.Q("new-selector-item");

            // Init text field.
            m_NewSelectorField     = parent.Q <BuilderNewSelectorField>("new-selector-field");
            m_NewSelectorTextField = m_NewSelectorField.textField;
            m_NewSelectorTextField.SetValueWithoutNotify(BuilderConstants.ExplorerInExplorerNewClassSelectorInfoMessage);
            m_NewSelectorTextInputField = m_NewSelectorTextField.Q("unity-text-input");
            m_NewSelectorTextInputField.RegisterCallback <KeyDownEvent>(OnEnter, TrickleDown.TrickleDown);
            UpdateNewSelectorFieldEnabledStateFromDocument();

            m_NewSelectorTextInputField.RegisterCallback <FocusEvent>((evt) =>
            {
                var input = evt.target as VisualElement;
                var field = input.parent as TextField;
                m_FieldFocusedFromStandby = true;
                if (field.text == BuilderConstants.ExplorerInExplorerNewClassSelectorInfoMessage || m_ShouldRefocusSelectorFieldOnBlur)
                {
                    m_ShouldRefocusSelectorFieldOnBlur = false;
                    field.value = BuilderConstants.UssSelectorClassNameSymbol;
                }

                ShowTooltip();
            });

            m_NewSelectorTextField.RegisterCallback <ChangeEvent <string> >((evt) =>
            {
                var field = evt.target as TextField;

                if (!m_FieldFocusedFromStandby)
                {
                    return;
                }

                m_FieldFocusedFromStandby = false;

                // We don't want the '.' we just inserted in the FocusEvent to be highlighted,
                // which is the default behavior.
                field.SelectRange(1, 1);
            });

            m_NewSelectorTextInputField.RegisterCallback <BlurEvent>((evt) =>
            {
                var input = evt.target as VisualElement;
                var field = input.parent as TextField;
                if (m_ShouldRefocusSelectorFieldOnBlur)
                {
                    field.schedule.Execute(PostEnterRefocus);
                    evt.PreventDefault();
                    evt.StopImmediatePropagation();
                    return;
                }

                if (string.IsNullOrEmpty(field.text) || field.text == BuilderConstants.UssSelectorClassNameSymbol)
                {
                    field.SetValueWithoutNotify(BuilderConstants.ExplorerInExplorerNewClassSelectorInfoMessage);
                    m_PseudoStatesMenu.SetEnabled(false);
                }

                HideTooltip();
            });

            // Setup New USS Menu.
            m_AddUSSMenu = parent.Q <ToolbarMenu>("add-uss-menu");
            SetUpAddUSSMenu();

            // Setup pseudo states menu.
            m_PseudoStatesMenu = m_NewSelectorField.pseudoStatesMenu;

            // Update sub title.
            UpdateSubtitleFromActiveUSS();
        }
        public ElementHierarchyView(
            BuilderPaneWindow paneWindow,
            VisualElement documentRootElement,
            BuilderSelection selection,
            BuilderClassDragger classDragger,
            BuilderExplorerDragger explorerDragger,
            BuilderElementContextMenu contextMenuManipulator,
            Action <List <VisualElement> > selectElementCallback,
            HighlightOverlayPainter highlightOverlayPainter)
        {
            m_PaneWindow             = paneWindow;
            m_DocumentRootElement    = documentRootElement;
            m_Selection              = selection;
            m_ClassDragger           = classDragger;
            m_ExplorerDragger        = explorerDragger;
            m_ContextMenuManipulator = contextMenuManipulator;

            this.focusable = true;

            m_SelectElementCallback = selectElementCallback;
            hierarchyHasChanged     = true;
            hasUnsavedChanges       = false;

            m_SearchResultsHightlights = new List <VisualElement>();

            this.RegisterCallback <FocusEvent>(e => m_TreeView?.Focus());

            // HACK: ListView/TreeView need to clear their selections when clicking on nothing.
            this.RegisterCallback <MouseDownEvent>(e =>
            {
                var leafTarget = e.leafTarget as VisualElement;
                if (leafTarget.parent is ScrollView)
                {
                    ClearSelection();
                }
            });

            m_TreeViewHoverOverlay = highlightOverlayPainter;

            m_Container                            = new VisualElement();
            m_Container.name                       = "explorer-container";
            m_Container.style.flexGrow             = 1;
            m_ClassDragger.builderHierarchyRoot    = m_Container;
            m_ExplorerDragger.builderHierarchyRoot = m_Container;
            Add(m_Container);

            m_ClassPillTemplate = AssetDatabase.LoadAssetAtPath <VisualTreeAsset>(
                BuilderConstants.UIBuilderPackagePath + "/BuilderClassPill.uxml");

            // Create TreeView.
            m_TreeRootItems = new List <ITreeViewItem>();
            m_TreeView      = new TreeView(m_TreeRootItems, 20, MakeItem, FillItem);
#if UNITY_2020_1_OR_NEWER
            m_TreeView.selectionType = SelectionType.Multiple;
#else
            m_TreeView.selectionType = SelectionType.Single; // ListView/TreeView do not support selecting mutliple items via code.
#endif
            m_TreeView.viewDataKey    = "unity-builder-explorer-tree";
            m_TreeView.style.flexGrow = 1;
#if UNITY_2020_1_OR_NEWER
            m_TreeView.onSelectionChange += OnSelectionChange;
#else
            m_TreeView.onSelectionChanged += OnSelectionChange;
#endif

#if UNITY_2019_3_OR_NEWER
            m_TreeView.RegisterCallback <MouseDownEvent>(OnLeakedMouseClick);
#endif

            m_Container.Add(m_TreeView);

            m_ContextMenuManipulator.RegisterCallbacksOnTarget(m_Container);
        }
        public BuilderInspector(BuilderPaneWindow paneWindow, BuilderSelection selection, HighlightOverlayPainter highlightOverlayPainter = null)
        {
            m_HighlightOverlayPainter = highlightOverlayPainter;

            // Yes, we give ourselves a view data key. Don't do this at home!
            viewDataKey = "unity-ui-builder-inspector";

            // Init External References
            m_Selection  = selection;
            m_PaneWindow = paneWindow;

            // Load Template
            var template = BuilderPackageUtilities.LoadAssetAtPath <VisualTreeAsset>(
                BuilderConstants.UIBuilderPackagePath + "/Inspector/BuilderInspector.uxml");

            template.CloneTree(this);

            // Get the scroll view.
            // HACK: ScrollView is not capable of remembering a scroll position for content that changes often.
            // The main issue is that we expand/collapse/display/hide different parts of the Inspector
            // all the time so initially the ScrollView is empty and it restores the scroll position to zero.
            m_ScrollView = this.Q <ScrollView>("inspector-scroll-view");
            m_ScrollView.contentContainer.RegisterCallback <GeometryChangedEvent>(OnScrollViewContentGeometryChange);
            m_ScrollView.verticalScroller.valueChanged += (newValue) =>
            {
                CacheScrollPosition(newValue, m_ScrollView.verticalScroller.highValue);
                SaveViewData();
            };

            // Load styles.
            AddToClassList(s_UssClassName);
            styleSheets.Add(BuilderPackageUtilities.LoadAssetAtPath <StyleSheet>(BuilderConstants.InspectorUssPathNoExt + ".uss"));
            if (EditorGUIUtility.isProSkin)
            {
                styleSheets.Add(BuilderPackageUtilities.LoadAssetAtPath <StyleSheet>(BuilderConstants.InspectorUssPathNoExt + "Dark.uss"));
            }
            else
            {
                styleSheets.Add(BuilderPackageUtilities.LoadAssetAtPath <StyleSheet>(BuilderConstants.InspectorUssPathNoExt + "Light.uss"));
            }

            // Matching Selectors
            m_MatchingSelectors = new BuilderInspectorMatchingSelectors(this);

            // Style Fields
            m_StyleFields = new BuilderInspectorStyleFields(this);

            // Sections
            m_Sections = new List <VisualElement>();

            // Header Section
            m_HeaderSection = new BuilderInspectorHeader(this);
            m_Sections.Add(m_HeaderSection.header);

            // Nothing Selected Section
            m_NothingSelectedSection = this.Q <Label>("nothing-selected-label");
            m_Sections.Add(m_NothingSelectedSection);

            // Multi-Selection Section
            m_MultiSelectionSection = this.Q("multi-selection-unsupported-message");
            m_MultiSelectionSection.Add(new IMGUIContainer(
                                            () => EditorGUILayout.HelpBox(BuilderConstants.MultiSelectionNotSupportedMessage, MessageType.Info, true)));
            m_Sections.Add(m_MultiSelectionSection);

            // Canvas Section
            m_CanvasSection = new BuilderInspectorCanvas(this);
            m_Sections.Add(m_CanvasSection.root);

            // StyleSheet Section
            m_StyleSheetSection = new BuilderInspectorStyleSheet(this);
            m_Sections.Add(m_StyleSheetSection.root);

            // Attributes Section
            m_AttributesSection = new BuilderInspectorAttributes(this);
            m_Sections.Add(m_AttributesSection.root);

            // Inherited Styles Section
            m_InheritedStyleSection = new BuilderInspectorInheritedStyles(this, m_MatchingSelectors);
            m_Sections.Add(m_InheritedStyleSection.root);

            // Local Styles Section
            m_LocalStylesSection = new BuilderInspectorLocalStyles(this, m_StyleFields);
            m_Sections.Add(m_LocalStylesSection.root);

            // This will take into account the current selection and then call RefreshUI().
            SelectionChanged();

            // Forward focus to the panel header.
            this.Query().Where(e => e.focusable).ForEach((e) => AddFocusable(e));
        }
        public ElementHierarchyView(
            BuilderPaneWindow paneWindow,
            VisualElement documentRootElement,
            BuilderSelection selection,
            BuilderClassDragger classDragger,
            BuilderExplorerDragger explorerDragger,
            BuilderElementContextMenu contextMenuManipulator,
            Action <List <VisualElement> > selectElementCallback,
            HighlightOverlayPainter highlightOverlayPainter)
        {
            m_PaneWindow             = paneWindow;
            m_DocumentRootElement    = documentRootElement;
            m_Selection              = selection;
            m_ClassDragger           = classDragger;
            m_ExplorerDragger        = explorerDragger;
            m_ContextMenuManipulator = contextMenuManipulator;

            this.focusable = true;

            m_SelectElementCallback = selectElementCallback;
            hierarchyHasChanged     = true;
            hasUnsavedChanges       = false;

            m_SearchResultsHightlights = new List <VisualElement>();

            this.RegisterCallback <FocusEvent>(e => m_TreeView?.Focus());

            // HACK: ListView/TreeView need to clear their selections when clicking on nothing.
            this.RegisterCallback <MouseDownEvent>(e =>
            {
                var leafTarget = e.leafTarget as VisualElement;
                if (leafTarget.parent is ScrollView)
                {
                    m_PaneWindow.primarySelection.ClearSelection(null);
                }
            });

            m_TreeViewHoverOverlay = highlightOverlayPainter;

            m_Container                            = new VisualElement();
            m_Container.name                       = "explorer-container";
            m_Container.style.flexGrow             = 1;
            m_ClassDragger.builderHierarchyRoot    = m_Container;
            m_ExplorerDragger.builderHierarchyRoot = m_Container;
            Add(m_Container);

            m_ClassPillTemplate = BuilderPackageUtilities.LoadAssetAtPath <VisualTreeAsset>(
                BuilderConstants.UIBuilderPackagePath + "/BuilderClassPill.uxml");

            // Create TreeView.
            m_TreeRootItems = new List <TreeViewItem>();
            m_TreeView      = new TreeView(20, MakeItem, FillItem);
            m_TreeView.SetRootItems(m_TreeRootItems);
            m_TreeViewController = m_TreeView.viewController as DefaultTreeViewController <VisualElement>;

            m_TreeView.selectionType            = SelectionType.Multiple;
            m_TreeView.viewDataKey              = "unity-builder-explorer-tree";
            m_TreeView.style.flexGrow           = 1;
            m_TreeView.onSelectedIndicesChange += OnSelectionChange;

            m_TreeView.RegisterCallback <MouseDownEvent>(OnLeakedMouseClick);
            m_Container.Add(m_TreeView);

            m_ContextMenuManipulator.RegisterCallbacksOnTarget(m_Container);
        }