QmlDesigner: Add 'Isolate Selection' to Navigator context menu

Task-number: QDS-14803
Change-Id: I111d3d6e3f174346a1e6c8b2e37e1c0e0a6ab9d8
Reviewed-by: Mahmoud Badri <mahmoud.badri@qt.io>

src/plugins/qmldesigner/components/componentcore/componentcore_constants.h

@@ -39,6 +39,8 @@ inline constexpr char resetPositionCommandId[] = "ResetPosition";
 inline constexpr char copyFormatCommandId[] = "CopyFormat";
 inline constexpr char applyFormatCommandId[] = "ApplyFormat";
 inline constexpr char visiblityCommandId[] = "ToggleVisiblity";
+inline constexpr char isolateSelectionCommandId[] = "IsolateSelection";
+inline constexpr char showAllCommandId[] = "ShowAll";
 inline constexpr char anchorsFillCommandId[] = "AnchorsFill";
 inline constexpr char anchorsResetCommandId[] = "AnchorsReset";
 
@@ -142,7 +144,10 @@ inline constexpr char redoDisplayName[] = QT_TRANSLATE_NOOP("QmlDesignerContextM
 
 inline constexpr char visibilityDisplayName[] = QT_TRANSLATE_NOOP("QmlDesignerContextMenu",
                                                                   "Visibility");
-
+inline constexpr char isolateSelectionDisplayName[] = QT_TRANSLATE_NOOP("QmlDesignerContextMenu",
+                                                                  "Isolate Selection");
+inline constexpr char showAllDisplayName[] = QT_TRANSLATE_NOOP("QmlDesignerContextMenu",
+                                                               "Show All Nodes");
 inline constexpr char resetSizeDisplayName[] = QT_TRANSLATE_NOOP("QmlDesignerContextMenu",
                                                                  "Reset Size");
 inline constexpr char resetPositionDisplayName[] = QT_TRANSLATE_NOOP("QmlDesignerContextMenu",
@@ -266,6 +271,10 @@ inline constexpr char lowerToolTip[] = QT_TRANSLATE_NOOP("QmlDesignerContextMenu
 
 inline constexpr char resetSizeToolTip[] = QT_TRANSLATE_NOOP("QmlDesignerContextMenu",
                                                              "Reset size and use implicit size.");
+inline constexpr char isolateNodesToolTip[] = QT_TRANSLATE_NOOP("QmlDesignerContextMenu",
+                                                             "Show selected nodes only.");
+inline constexpr char showAllToolTip[] = QT_TRANSLATE_NOOP("QmlDesignerContextMenu",
+                                                                "Show all nodes.");
 inline constexpr char resetPositionTooltip[] = QT_TRANSLATE_NOOP(
     "QmlDesignerContextMenu", "Reset position and use implicit position.");
 inline constexpr char copyFormatTooltip[] = QT_TRANSLATE_NOOP("QmlDesignerContextMenu",
@@ -330,6 +339,8 @@ enum PrioritiesEnum : int {
     ResetView,
     Group,
     Visibility,
+    IsolateSelection,
+    ShowAllNodes,
     ShowBoundingRect,
     /******** Section *****************************/
     CustomActionsSection = 6000,

src/plugins/qmldesigner/components/componentcore/designeractionmanager.cpp

@@ -1515,6 +1515,28 @@ void DesignerActionManager::createDefaultDesignerActions()
                           &resetSize,
                           &selectionNotEmptyAndHasWidthOrHeightProperty));
 
+    addDesignerAction(new ModelNodeAction(
+                          isolateSelectionCommandId,
+                          isolateSelectionDisplayName,
+                          contextIcon(DesignerIcons::VisibilityIcon), // TODO: placeholder icon
+                          isolateNodesToolTip,
+                          rootCategory,
+                          QKeySequence("shift+h"),
+                          Priorities::IsolateSelection,
+                          &isolateSelectedNodes,
+                          &selectionNot2D3DMix));
+
+    addDesignerAction(new ModelNodeAction(
+                          showAllCommandId,
+                          showAllDisplayName,
+                          contextIcon(DesignerIcons::VisibilityIcon), // TODO: placeholder icon
+                          showAllToolTip,
+                          rootCategory,
+                          QKeySequence("alt+h"),
+                          Priorities::ShowAllNodes,
+                          &showAllNodes,
+                          &always));
+
     addDesignerAction(new SeparatorDesignerAction(editCategory, 40));
 
     addDesignerAction(new VisiblityModelNodeAction(

src/plugins/qmldesigner/components/componentcore/modelnodecontextmenu_helper.h

@@ -4,14 +4,15 @@
 #pragma once
 
 #include "abstractaction.h"
-#include "bindingproperty.h"
 #include "abstractactiongroup.h"
-#include "qmlitemnode.h"
+#include "utils3d.h"
-#include <qmldesignerplugin.h>
-#include <nodemetainfo.h>
 
+#include <bindingproperty.h>
 #include <coreplugin/actionmanager/command.h>
 #include <coreplugin/icore.h>
+#include <nodemetainfo.h>
+#include <qmldesignerplugin.h>
+#include <qmlitemnode.h>
 
 #include <utils/proxyaction.h>
 
@@ -113,6 +114,23 @@ inline bool selectionNotEmpty(const SelectionContext &selectionState)
     return !selectionState.selectedModelNodes().isEmpty();
 }
 
+inline bool selectionNot2D3DMix(const SelectionContext &selectionState)
+{
+    const QList<ModelNode> selectedNodes = selectionState.view()->selectedModelNodes();
+    if (selectedNodes.size() <= 1)
+        return true;
+
+    ModelNode active3DScene = Utils3D::active3DSceneNode(selectionState.view());
+    bool isFirstNode3D = active3DScene.isAncestorOf(selectedNodes.first());
+
+    for (const ModelNode &node : selectedNodes) {
+        if (active3DScene.isAncestorOf(node) != isFirstNode3D)
+            return false;
+    }
+
+    return true;
+}
+
 inline bool singleSelectionNotRoot(const SelectionContext &selectionState)
 {
     return selectionState.singleNodeIsSelected()

src/plugins/qmldesigner/components/componentcore/modelnodeoperations.cpp

@@ -279,6 +279,82 @@ void setVisible(const SelectionContext &selectionState)
     }
 }
 
+static QSet<ModelNode> collectAncestorsAndDescendants(AbstractView *view, const ModelNode &node)
+{
+    QSet<ModelNode> keepVisible;
+
+    ModelNode ancestor = node.parentProperty().parentModelNode();
+    while (ancestor && ancestor != view->rootModelNode()) {
+        keepVisible.insert(ancestor);
+        if (!ancestor.hasParentProperty())
+            break;
+        ancestor = ancestor.parentProperty().parentModelNode();
+    }
+
+    const QList<ModelNode> descendants = node.allSubModelNodes();
+    for (const ModelNode &subNode : descendants)
+        keepVisible.insert(subNode);
+
+    return keepVisible;
+}
+
+void isolateSelectedNodes(const SelectionContext &selectionState)
+{
+    AbstractView *view = selectionState.view();
+    const QList<ModelNode> selectedNodes = view->selectedModelNodes();
+
+    if (selectedNodes.isEmpty() || view->rootModelNode().isSelected())
+        return;
+
+    const QList<ModelNode> allModelNodes = view->allModelNodes();
+    ModelNode active3DScene = Utils3D::active3DSceneNode(view);
+    QSet<ModelNode> nodesToKeepVisible({view->rootModelNode()});
+
+    for (const ModelNode &node : selectedNodes) {
+        nodesToKeepVisible.insert(node);
+        nodesToKeepVisible.unite(collectAncestorsAndDescendants(view, node));
+    }
+
+    auto hideNode = [](const ModelNode &node) {
+        QmlVisualNode(node).setVisibilityOverride(true);
+    };
+
+    auto doNotHideSubNodes = [&nodesToKeepVisible](const ModelNode &node) {
+        if (node.hasAnySubModelNodes()) {
+            const QList<ModelNode> allSubModelNodes = node.allSubModelNodes();
+            for (const ModelNode &subNode : allSubModelNodes)
+                nodesToKeepVisible.insert(subNode);
+        }
+    };
+
+    const bool is3DSelection = active3DScene.isAncestorOf(selectedNodes.first());
+    const QList<ModelNode> nodesToProcess = is3DSelection ? active3DScene.allSubModelNodes()
+                                                          : allModelNodes;
+
+    for (const ModelNode &node : nodesToProcess) {
+        if (nodesToKeepVisible.contains(node))
+            continue;
+
+        if (!is3DSelection) {
+            NodeHints hint = NodeHints::fromModelNode(node);
+            if (!((node && !hint.hideInNavigator()) || hint.visibleInNavigator())
+                || node.id() == Constants::MATERIAL_LIB_ID) {
+                continue;
+            }
+        }
+
+        doNotHideSubNodes(node); // makes sure only the top-most node in the hierarchy is hidden
+        hideNode(node);
+    }
+}
+
+void showAllNodes(const SelectionContext &selectionState)
+{
+    const QList<ModelNode> allModelNodes = selectionState.view()->allModelNodes();
+    for (const ModelNode &node : allModelNodes)
+        QmlVisualNode(node).setVisibilityOverride(false);
+}
+
 void setFillWidth(const SelectionContext &selectionState)
 {
     if (!selectionState.view()

src/plugins/qmldesigner/components/componentcore/modelnodeoperations.h

@@ -73,6 +73,8 @@ void paste(const SelectionContext &selectionState);
 void undo(const SelectionContext &selectionState);
 void redo(const SelectionContext &selectionState);
 void setVisible(const SelectionContext &selectionState);
+void isolateSelectedNodes(const SelectionContext &selectionState);
+void showAllNodes(const SelectionContext &selectionState);
 void setFillWidth(const SelectionContext &selectionState);
 void setFillHeight(const SelectionContext &selectionState);
 void resetSize(const SelectionContext &selectionState);