javafx.scene.control.TreeView.setRoot()方法的使用及代码示例

x33g5p2x  于2022-01-30 转载在 其他  
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本文整理了Java中javafx.scene.control.TreeView.setRoot()方法的一些代码示例，展示了TreeView.setRoot()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。TreeView.setRoot()方法的具体详情如下：
包路径：javafx.scene.control.TreeView
类名称：TreeView
方法名：setRoot

TreeView.setRoot介绍

暂无

代码示例

代码示例来源：origin: speedment/speedment

private void populateTree(ProjectProperty project) {
  requireNonNull(project);
  final TreeItem<DocumentProperty> root = branch(project);
  hierarchy.setRoot(root);
  hierarchy.getSelectionModel().select(root);
}

代码示例来源：origin: pmd/pmd

/**
 * Refreshes the AST and returns the new compilation unit if the parse didn't fail.
 */
public Optional<Node> refreshAST() {
  String source = getText();
  if (StringUtils.isBlank(source)) {
    astTreeView.setRoot(null);
    return Optional.empty();
  }
  Optional<Node> current;
  try {
    current = astManager.updateIfChanged(source, auxclasspathClassLoader.getValue());
  } catch (ParseAbortedException e) {
    astViewTitledPane.setTitle("Abstract syntax tree (error)");
    return Optional.empty();
  }
  current.ifPresent(this::setUpToDateCompilationUnit);
  return current;
}

代码示例来源：origin: pmd/pmd

private void setUpToDateCompilationUnit(Node node) {
  parent.invalidateAst();
  astViewTitledPane.setTitle("Abstract syntax tree");
  ASTTreeItem root = ASTTreeItem.getRoot(node);
  astTreeView.setRoot(root);
}

代码示例来源：origin: pmd/pmd

/**
 * Invalidates the info being displayed.
 */
private void invalidateInfo() {
  metricResultsListView.setItems(FXCollections.emptyObservableList());
  xpathAttributesListView.setItems(FXCollections.emptyObservableList());
  scopeHierarchyTreeView.setRoot(null);
}

代码示例来源：origin: pmd/pmd

private void displayScopes(Node node, boolean focusScopeView) {
  // current selection
  TreeItem<Object> previousSelection = scopeHierarchyTreeView.getSelectionModel().getSelectedItem();
  ScopeHierarchyTreeItem rootScope = ScopeHierarchyTreeItem.buildAscendantHierarchy(node);
  scopeHierarchyTreeView.setRoot(rootScope);
  if (focusScopeView && previousSelection != null) {
    // Try to find the node that was previously selected and focus it in the new ascendant hierarchy.
    // Otherwise, when you select a node in the scope tree, since focus of the app is shifted to that
    // node, the scope hierarchy is reset and you lose the selection - even though obviously the node
    // you selected is in its own scope hierarchy so it looks buggy.
    int maxDepth = DesignerIteratorUtil.count(DesignerIteratorUtil.parentIterator(previousSelection, true));
    rootScope.tryFindNode(previousSelection.getValue(), maxDepth)
         .ifPresent(scopeHierarchyTreeView.getSelectionModel()::select);
  }
}

代码示例来源：origin: speedment/speedment

@Override
public void initialize(URL location, ResourceBundle resources) {
  title.setTextFill(Color.web("#45a6fc")); // TODO Use styleClass instead
  header.setText("Component Explorer");
  final RootItem root = new RootItem(speedment);
  root.getChildren().addAll(components());
  tree.setRoot(root);
  close.setOnAction(newCloseHandler());
}

代码示例来源：origin: pmd/pmd

@Override
protected void beforeParentInit() {
  treeViewWrapper = new TreeViewWrapper<>(astTreeView);
  astTreeView.setCellFactory(treeView -> new ASTTreeCell(parent));
  initializeLanguageSelector(); // languageVersionProperty() must be initialized
  languageVersionProperty().values()
               .filterMap(Objects::nonNull, LanguageVersion::getLanguage)
               .distinct()
               .subscribe(this::updateSyntaxHighlighter);
  languageVersionProperty().values()
               .filter(Objects::nonNull)
               .map(LanguageVersion::getShortName)
               .map(lang -> "Source Code (" + lang + ")")
               .subscribe(editorTitledPane::setTitle);
  EventStreams.valuesOf(astTreeView.getSelectionModel().selectedItemProperty())
        .filterMap(Objects::nonNull, TreeItem::getValue)
        .subscribe(parent::onNodeItemSelected);
  codeEditorArea.plainTextChanges()
         .filter(t -> !t.isIdentity())
         .successionEnds(AST_REFRESH_DELAY)
         // Refresh the AST anytime the text, classloader, or language version changes
         .or(auxclasspathClassLoader.changes())
         .or(languageVersionProperty().changes())
         .subscribe(tick -> {
           // Discard the AST if the language version has changed
           tick.ifRight(c -> astTreeView.setRoot(null));
           Platform.runLater(parent::refreshAST);
         });
  codeEditorArea.setParagraphGraphicFactory(lineNumberFactory());
}

代码示例来源：origin: eu.agrosense.spi/session

@Override
public void initialize(URL url, ResourceBundle rb) {
  session.setRoot(new TreeItem<String>("Session") {
    private boolean isFirstTimeChildren = true;
    @Override
    public ObservableList getChildren() {
      if (isFirstTimeChildren) {
        isFirstTimeChildren = false;
        // First getChildren() call, so we actually go off and 
        // determine the children of the File contained in this TreeItem.
        super.getChildren().setAll(buildChildren(this));
      }
      return super.getChildren();
    }
    @Override
    public boolean isLeaf() {
      return false;
    }
    private ObservableList<TreeItem<String>> buildChildren(TreeItem<String> treeItem) {
      ObservableList<TreeItem<String>> children = FXCollections.observableArrayList();
      children.add(new TreeItem<>(Connections.get().getURL().getHost()));
      return children;
    }
  });        
}

代码示例来源：origin: com.powsybl/powsybl-gse-network-explorer

private void refreshSubstationDetailView(IdAndName substationIdAndName) {
  if (substationIdAndName != null && substationIdAndName != LIST_BUSY) {
    substationDetailedView.setRoot(new TreeItem<>(TREEVIEW_BUSY));
    String query = processTemplate(voltageLevelTemplate, ImmutableMap.of("substationId", substationIdAndName.getId()));
    queryNetwork(query, voltageLevelQueryResultListType,
      (List<VoltageLevelQueryResult> voltageLevelQueryResults) -> fillSubstationDetailViewWithQueryResults(substationIdAndName, voltageLevelQueryResults),
      substationDetailsExecutor);
  } else {
    substationDetailedView.setRoot(null);
  }
}

代码示例来源：origin: at.bestsolution.efxclipse.rt/org.eclipse.fx.ui.controls

private void rebuildTable(Observable o) {
  if (getSkinnable().getRootDirectories() == null) {
    this.tree.setRoot(new TreeItem<>());
  } else {
    TreeItem<@NonNull ResourceItem> root = new TreeItem<>();
    root.getChildren().setAll(
        getSkinnable().getRootDirectories().stream()
            .map((d) -> new DirTreeItem(d))
            .collect(Collectors.toList()));
    this.tree.setRoot(root);
  }
}

代码示例来源：origin: at.bestsolution.eclipse/org.eclipse.fx.ui.controls

private void rebuildTable(Observable o) {
  if (getSkinnable().getRootDirectories() == null) {
    this.tree.setRoot(new TreeItem<>());
  } else {
    TreeItem<@NonNull DirItem> root = new TreeItem<>();
    root.getChildren().setAll(
        getSkinnable().getRootDirectories().stream()
            .map((d) -> new DirTreeItem(d))
            .collect(Collectors.toList()));
    this.tree.setRoot(root);
  }
}

代码示例来源：origin: at.bestsolution.eclipse/org.eclipse.fx.ui.controls

private void rebuildTable(Observable o) {
  if (getSkinnable().getRootDirectories() == null) {
    this.tree.setRoot(new TreeItem<>());
  } else {
    TreeItem<@NonNull ResourceItem> root = new TreeItem<>();
    root.getChildren().setAll(
        getSkinnable().getRootDirectories().stream()
            .map((d) -> new DirTreeItem(d))
            .collect(Collectors.toList()));
    this.tree.setRoot(root);
  }
}

代码示例来源：origin: at.bestsolution.efxclipse.rt/org.eclipse.fx.ui.controls

private void rebuildTable(Observable o) {
  if (getSkinnable().getRootDirectories() == null) {
    this.tree.setRoot(new TreeItem<>());
  } else {
    TreeItem<@NonNull DirItem> root = new TreeItem<>();
    root.getChildren().setAll(
        getSkinnable().getRootDirectories().stream()
            .map((d) -> new DirTreeItem(d))
            .collect(Collectors.toList()));
    this.tree.setRoot(root);
  }
}

代码示例来源：origin: org.copper-engine/copper-monitoring-client

treeView.setRoot(new TreeItem<DisplayableNode>(null));
treeView.setShowRoot(false);
treeView.getSelectionModel().selectedItemProperty().addListener(new ChangeListener<TreeItem<DisplayableNode>>() {

代码示例来源：origin: at.bestsolution.efxclipse.rt/org.eclipse.fx.code.editor.fx

view.setRoot(root);
treeCache.put(outline, view);

代码示例来源：origin: at.bestsolution.eclipse/org.eclipse.fx.code.editor.fx

view.setRoot(root);
treeCache.put(outline, view);

代码示例来源：origin: com.powsybl/powsybl-gse-network-explorer

private void fillSubstationDetailViewWithQueryResults(IdAndName substationIdAndName, List<VoltageLevelQueryResult> voltageLevelQueryResults) {
  equipmentTabs.getTabs().clear();
  if (voltageLevelQueryResults != null) {
    TreeItem<EquipmentInfo> substationItem = new TreeItem<>(new EquipmentInfo(substationIdAndName, "SUBSTATION"));
    substationItem.setExpanded(true);
    for (VoltageLevelQueryResult voltageLevelQueryResult : voltageLevelQueryResults) {
      TreeItem<EquipmentInfo> voltageLevelItem = new TreeItem<>(new EquipmentInfo(voltageLevelQueryResult.getIdAndName(), "VOLTAGE_LEVEL"));
      substationItem.getChildren().add(voltageLevelItem);
      for (EquipmentInfo equipment : voltageLevelQueryResult.getEquipments()) {
        Node icon = getSymbol(equipment.getType());
        TreeItem<EquipmentInfo> equipmentItem = new TreeItem<>(equipment, icon);
        voltageLevelItem.getChildren().add(equipmentItem);
      }
      voltageLevelItem.setExpanded(true);
    }
    substationDetailedView.setRoot(substationItem);
  } else {
    substationDetailedView.setRoot(null);
  }
}

代码示例来源：origin: org.copper-engine/copper-monitoring-client

public void refresh(List<WorkflowVersion> newItems) {
  treeView.setShowRoot(false);
  TreeItem<DisplayWorkflowClassesModel> rootItem = new TreeItem<DisplayWorkflowClassesModel>();
  rootItem.getChildren().addAll(groupToTreeItem(newItems));
  treeView.setRoot(rootItem);
  treeView.setCellFactory(new Callback<TreeView<DisplayWorkflowClassesModel>, TreeCell<DisplayWorkflowClassesModel>>() {
    @Override
    public TreeCell<DisplayWorkflowClassesModel> call(TreeView<DisplayWorkflowClassesModel> listView) {
      return new TextFieldTreeCell<DisplayWorkflowClassesModel>(new StringConverter<DisplayWorkflowClassesModel>() {
        @Override
        public DisplayWorkflowClassesModel fromString(String string) {
          return null;
        }
        @Override
        public String toString(DisplayWorkflowClassesModel object) {
          return object.displayName;
        }
      });
    }
  });
  rootItem.setExpanded(true);
}

代码示例来源：origin: com.aquafx-project/aquafx

treeView.setRoot(root);
treeView1.setRoot(root1);

代码示例来源：origin: com.nexitia.emaginplatform/emagin-jfxcore-engine

treeView.setRoot(dummyRoot);
treeView.setShowRoot(false);

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