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[SuperEditor] Add toggleable headers (Resolves #2276) #2404

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[SuperEditor] Add toggleable headers (Resolves #2276) #2404

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5 changes: 5 additions & 0 deletions super_editor/lib/src/core/document_layout.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -107,6 +107,11 @@ abstract class DocumentLayout {

/// Returns the [DocumentPosition] at the end of the last selectable component.
DocumentPosition? findLastSelectablePosition();

/// Returns whether the component with the given [nodeId] is visible.
///
/// For example, this method returns `false` if the node is collapsed.
bool isComponentVisible(String nodeId);
}

/// Contract for all widgets that operate as document components
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12 changes: 8 additions & 4 deletions super_editor/lib/src/default_editor/common_editor_operations.dart
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Expand Up @@ -825,9 +825,11 @@ class CommonEditorOperations {
selectableNode = document.getNodeBefore(prevNode);

if (selectableNode != null) {
final nextComponent = documentLayoutResolver().getComponentByNodeId(selectableNode.id);
final documentLayout = documentLayoutResolver();
final nextComponent = documentLayout.getComponentByNodeId(selectableNode.id);
if (nextComponent != null) {
foundSelectableNode = nextComponent.isVisualSelectionSupported();
foundSelectableNode =
documentLayout.isComponentVisible(selectableNode.id) && nextComponent.isVisualSelectionSupported();
}
prevNode = selectableNode;
}
Expand All @@ -846,9 +848,11 @@ class CommonEditorOperations {
selectableNode = document.getNodeAfter(prevNode);

if (selectableNode != null) {
final nextComponent = documentLayoutResolver().getComponentByNodeId(selectableNode.id);
final documentLayout = documentLayoutResolver();
final nextComponent = documentLayout.getComponentByNodeId(selectableNode.id);
if (nextComponent != null) {
foundSelectableNode = nextComponent.isVisualSelectionSupported();
foundSelectableNode =
documentLayout.isComponentVisible(selectableNode.id) && nextComponent.isVisualSelectionSupported();
}
prevNode = selectableNode;
}
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