fix(编辑能力): 修复复制粘贴与嵌套样式

assets/webui/ofdgo.js

@@ -10505,7 +10505,9 @@ function copyEditorSelection(event) {
 		return callTabWASM(tab, "ofdgoCaptureObjects", index, ids, clipboard.token).then(async result => {
 			clipboard.data = result.bytes;
 			clipboard.cut = false;
-			if (cut && isForegroundDocument(tab) && openSeq === state.openSeq && revision === state.editorInfo?.revision && index === state.pageIndex && state.objectClipboardToken === clipboard.token && workspace.objectClipboard === clipboard) {
+			if (cut && isForegroundDocument(tab) && openSeq === state.openSeq && revision === state.editorInfo?.revision && index === state.pageIndex
+				&& state.objectClipboardToken === clipboard.token && workspace.objectClipboard === clipboard
+				&& state.editing && !formDialogOpen() && !canvasEditor.input && !canvasEditor.crop && !canvasEditor.drag && !canvasEditor.nudge && !canvasEditor.nudgeCommit) {
 				clipboard.cut = Boolean(await changeDocument("ofdgoDeleteObjects", { index, id: ids, items }));
 			}
 			return true;
@@ -10548,6 +10550,7 @@ async function pasteEditorContent(event) {
 		}
 		const openSeq = state.openSeq;
 		if (!await clipboard.ready || !isForegroundDocument(tab) || openSeq !== state.openSeq || index !== state.pageIndex || workspace.objectClipboard !== clipboard) return;
+		if (!state.editing || formDialogOpen() || document.body.hasAttribute("data-busy") || canvasEditor.input || canvasEditor.crop || canvasEditor.drag || canvasEditor.nudge || canvasEditor.nudgeCommit) return;
 		if (!pageCan("insert")) return;
 		const visible = visiblePageBounds(index), bounds = clipboard.bounds;
 		const target = `${tab.id}:${state.wasmSeq}:${state.doc.documentIndex || 0}:${state.doc.documentVersion || ""}`;

ofdgo_editor.go

@@ -631,7 +631,9 @@ func (e *Editor) Object(page int, id string) (GraphicObject, error) {
 	}
 	object, err := cloneEditorObject(layer.Objects[index])
 	object.origin = e.objectOrigin(id)
-	e.attachRichTextSnapshot(page, &object)
+	if err := e.attachRichTextSnapshot(page, &object); err != nil {
+		return GraphicObject{}, err
+	}
 	return object, err
 }
 

ofdgo_editor_annot.go

@@ -32,6 +32,7 @@ type AnnotationSelection struct {
 	data      [][]byte
 	resources []string
 	states    map[string]map[string]editorCompositeState
+	richText  map[int]*richTextSnapshot
 }
 
 // Annotations 获取指定页面的注解信息，包含不可见注解，返回值与编辑器相互独立
@@ -317,7 +318,7 @@ func (e *Editor) CaptureAnnotations(page int, ids []string) (*AnnotationSelectio
 	if err != nil {
 		return nil, err
 	}
-	selection := &AnnotationSelection{editor: e, document: e.documentIdentity(), states: make(map[string]map[string]editorCompositeState)}
+	selection := &AnnotationSelection{editor: e, document: e.documentIdentity(), states: make(map[string]map[string]editorCompositeState), richText: make(map[int]*richTextSnapshot)}
 	seen := make(map[string]bool)
 	for _, id := range ids {
 		key := editorResourceID(id)
@@ -336,6 +337,17 @@ func (e *Editor) CaptureAnnotations(page int, ids []string) (*AnnotationSelectio
 		if !editorXMLCopyable(root) {
 			return nil, fmt.Errorf("annotation contains unsupported identifiers")
 		}
+		annotation, err := e.Annotation(page, id)
+		if err != nil {
+			return nil, err
+		}
+		snapshot, err := e.captureRichTextSnapshot(page, GraphicObject{Type: "CompositeGraphicUnit", CompositeGraphicUnit: CompositeGraphicUnit{Objects: annotation.Appearance.Objects}})
+		if err != nil {
+			return nil, err
+		}
+		if snapshot != nil {
+			selection.richText[len(selection.data)] = snapshot
+		}
 		selection.data = append(selection.data, data)
 		selection.states[key] = maps.Clone(e.source.annotationStates[e.pages[page].ID+"/"+key])
 	}
@@ -452,7 +464,20 @@ func (e *Editor) PasteAnnotations(page int, selection *AnnotationSelection, dx,
 						break
 					}
 				}
-				return edit.commitAnnotationParts(edit.source, map[string][]byte{name: editorPatchXML(data, []editorXMLPatch{{position, position, added}})})
+				if err := edit.commitAnnotationParts(edit.source, map[string][]byte{name: editorPatchXML(data, []editorXMLPatch{{position, position, added}})}); err != nil {
+					return err
+				}
+			}
+		}
+		for i, id := range result {
+			if snapshot := selection.richText[i]; snapshot != nil {
+				annotation, err := edit.Annotation(page, id)
+				if err != nil {
+					return err
+				}
+				if err := edit.putRichTextSnapshot(page, GraphicObject{Type: "CompositeGraphicUnit", CompositeGraphicUnit: CompositeGraphicUnit{Objects: annotation.Appearance.Objects}}, snapshot); err != nil {
+					return err
+				}
 			}
 		}
 		return nil

ofdgo_editor_batch.go

@@ -96,7 +96,9 @@ func (e *Editor) Objects(page int, ids []string) ([]GraphicObject, error) {
 			return nil, err
 		}
 		objects[i].origin = e.objectOrigin(editorObjectID(object))
-		e.attachRichTextSnapshot(page, &objects[i])
+		if err := e.attachRichTextSnapshot(page, &objects[i]); err != nil {
+			return nil, err
+		}
 	}
 	return objects, nil
 }
@@ -135,7 +137,11 @@ func (e *Editor) CopyObjectsContext(ctx context.Context, page int, objects []Gra
 				if err := ctx.Err(); err != nil {
 					return err
 				}
-				if err := e.putRichTextMetadata(page, ids[i], meta, -1); err != nil {
+				object, err := e.Object(page, ids[i])
+				if err != nil {
+					return err
+				}
+				if err := e.putRichTextSnapshot(page, object, meta); err != nil {
 					return err
 				}
 			}

ofdgo_editor_composite_copy.go

@@ -17,7 +17,6 @@ package ofdgo
 import (
 	"bytes"
 	"encoding/xml"
-	"errors"
 	"fmt"
 	"maps"
 	"slices"
@@ -37,7 +36,7 @@ type CompositeSelection struct {
 	containers []int
 	nodes      []*editorCompositeNode
 	source     *editorSourcePage
-	richText   map[int]richTextMetadata
+	richText   map[int]*richTextSnapshot
 }
 
 // PasteCompositeSelection 将内部对象快照粘贴到页面顶层，保持嵌套结构、源继承外观和裁剪
@@ -75,7 +74,7 @@ func (e *Editor) CaptureCompositeObjects(page int, path ObjectPath, indexes []in
 	slices.Sort(indexes)
 	var owner *editorCompositeNode
 	var container *editorXML
-	selection := &CompositeSelection{richText: make(map[int]richTextMetadata), editor: e, document: e.documentIdentity(), page: e.pages[page].ID, path: ObjectPath{ID: path.ID, Annotation: path.Annotation, Children: slices.Clone(path.Children)}}
+	selection := &CompositeSelection{richText: make(map[int]*richTextSnapshot), editor: e, document: e.documentIdentity(), page: e.pages[page].ID, path: ObjectPath{ID: path.ID, Annotation: path.Annotation, Children: slices.Clone(path.Children)}}
 	if path.Annotation == "" {
 		if origin := e.objectOrigin(path.ID); origin != nil {
 			selection.source = origin.page
@@ -99,11 +98,13 @@ func (e *Editor) CaptureCompositeObjects(page int, path ObjectPath, indexes []in
 		copy := *node
 		copy.owner, copy.span = nil, nil
 		selection.nodes = append(selection.nodes, &copy)
-		if entry, err := e.richTextEntry(page, editorObjectID(node.object)); err == nil {
-			selection.richText[j] = cloneEditorData(entry.metadata)
-		} else if !errors.Is(err, ErrNotRichText) {
+		snapshot, err := e.captureRichTextSnapshot(page, node.object)
+		if err != nil {
 			return nil, err
 		}
+		if snapshot != nil {
+			selection.richText[j] = snapshot
+		}
 	}
 	scope := root.loadedScope(path.Children)
 	for scope != owner {
@@ -344,14 +345,7 @@ func (e *Editor) pasteCompositeSelection(selection *CompositeSelection, paste fu
 			copy.object.CompositeGraphicUnit.states = object.CompositeGraphicUnit.states
 		}
 		object.origin = &editorObjectOrigin{editor: e, document: e.documentIdentity(), page: selection.source, data: copy.data, node: copy.node, object: copy.object}
-		if meta, ok := selection.richText[i]; ok {
-			unit, err := e.compositeDefinition(object.CompositeGraphicUnit.ResourceID)
-			if err != nil {
-				return err
-			}
-			meta.Digest = richTextDigest(unit.object.CompositeGraphicUnit.Objects)
-			object.richText = &meta
-		}
+		object.richText = selection.richText[i]
 		objects = append(objects, object)
 		remaps = append(remaps, copy.remaps...)
 	}

ofdgo_editor_composite_ops.go

@@ -17,7 +17,6 @@ package ofdgo
 import (
 	"bytes"
 	"context"
-	"errors"
 	"fmt"
 	"maps"
 	"slices"
@@ -46,7 +45,7 @@ func (e *Editor) CopyCompositeObjects(page int, path ObjectPath, indexes []int,
 		return nil, fmt.Errorf("copy requires finite offsets")
 	}
 	var result []int
-	metadata := make(map[int]richTextMetadata)
+	metadata := make(map[int]*richTextSnapshot)
 	err := e.Transaction(func(e *Editor) error {
 		err := e.editCompositeObjects(page, path, indexes, func(renderer *Renderer, nodes []*editorCompositeNode, members []CompositeMember) error {
 			container := nodes[0].span.parent
@@ -57,13 +56,12 @@ func (e *Editor) CopyCompositeObjects(page int, path ObjectPath, indexes []int,
 			}
 			slices.SortFunc(nodes, func(a, b *editorCompositeNode) int { return a.index - b.index })
 			for i, node := range nodes {
-				if node.object.Type == "CompositeObject" {
-					entry, err := e.richTextEntry(page, editorObjectID(node.object))
-					if err == nil {
-						metadata[i] = entry.metadata
-					} else if !errors.Is(err, ErrNotRichText) {
+				snapshot, err := e.captureRichTextSnapshot(page, node.object)
+				if err != nil {
 					return err
 				}
+				if snapshot != nil {
+					metadata[i] = snapshot
 				}
 			}
 			data, states, err := e.copyCompositeNodes(renderer, nodes, dx, dy)

ofdgo_editor_rich_text.go

@@ -46,6 +46,12 @@ type richTextMetadata struct {
 	Digest  string     `json:"digest"`
 }
 
+// richTextSnapshot 保存对象及嵌套成员的不可变编辑语义，成员按绘制顺序定位
+type richTextSnapshot struct {
+	metadata *richTextMetadata
+	children map[int]*richTextSnapshot
+}
+
 // richTextEntry 保存标引入口及延迟报告的损坏诊断
 type richTextEntry struct {
 	index    int
@@ -424,12 +430,12 @@ func (e *Editor) putCompositeRichTextMetadata(page int, object GraphicObject, me
 // putCompositeRichTextCopies 一次读取复制后的选区，按对象顺序恢复富文本标引
 // 入参: page 页面索引, path 父路径, indexes 新成员序号, metadata 选区位置对应的编辑语义
 // 返回: error 读取或提交错误
-func (e *Editor) putCompositeRichTextCopies(page int, path ObjectPath, indexes []int, metadata map[int]richTextMetadata) error {
+func (e *Editor) putCompositeRichTextCopies(page int, path ObjectPath, indexes []int, metadata map[int]*richTextSnapshot) error {
 	if len(metadata) == 0 {
 		return nil
 	}
 	selected := make([]int, 0, len(metadata))
-	values := make([]richTextMetadata, 0, len(metadata))
+	values := make([]*richTextSnapshot, 0, len(metadata))
 	for i, index := range indexes {
 		if meta, ok := metadata[i]; ok {
 			selected = append(selected, index)
@@ -441,7 +447,7 @@ func (e *Editor) putCompositeRichTextCopies(page int, path ObjectPath, indexes [
 		return err
 	}
 	for i, member := range members {
-		if err := e.putCompositeRichTextMetadata(page, member.Object, values[i], -1); err != nil {
+		if err := e.putRichTextSnapshot(page, member.Object, values[i]); err != nil {
 			return err
 		}
 	}
@@ -779,52 +785,18 @@ func (e *Editor) copyRichTextMetadata(ctx context.Context, source *Editor, sourc
 	if metadata.err != nil || len(metadata.entries) == 0 {
 		return metadata.err
 	}
-	seen := make(map[string]bool)
-	var copyObject func(GraphicObject, GraphicObject) error
-	copyObject = func(before, after GraphicObject) error {
+	copyObject := func(before, after GraphicObject) error {
 		if err := ctx.Err(); err != nil {
 			return err
 		}
-		if before.Type != "CompositeObject" && before.Type != "CompositeGraphicUnit" {
-			return nil
-		}
-		id := editorObjectID(after)
-		if id != "" {
-			if seen[id] {
-				return nil
-			}
-			seen[id] = true
-		}
-		entry, err := source.richTextEntry(sourcePage, editorObjectID(before))
-		if err == nil {
-			if _, err := source.richTextObject(sourcePage, before); err != nil {
+		snapshot, err := source.captureRichTextSnapshot(sourcePage, before)
+		if err != nil || snapshot == nil {
 			return err
 		}
-			return e.putCompositeRichTextMetadata(page, after, entry.metadata, -1)
-		}
-		if !errors.Is(err, ErrNotRichText) {
+		if err := e.putRichTextSnapshot(page, after, snapshot); err != nil {
 			return err
 		}
-		units := []CompositeGraphicUnit{before.CompositeGraphicUnit, after.CompositeGraphicUnit}
-		for i, owner := range []*Editor{source, e} {
-			if units[i].ResourceID != "" {
-				definition, err := owner.compositeDefinition(units[i].ResourceID)
-				if err != nil {
-					return err
-				}
-				units[i] = definition.object.CompositeGraphicUnit
-			}
-		}
-		original, target := slices.Collect(units[0].objects()), slices.Collect(units[1].objects())
-		if len(original) != len(target) {
-			return fmt.Errorf("imported composite structure differs")
-		}
-		for i := range original {
-			if err := copyObject(original[i], target[i]); err != nil {
-				return err
-			}
-		}
-		return nil
+		return ctx.Err()
 	}
 	for i, id := range ids {
 		before, err := source.Object(sourcePage, id)
@@ -887,25 +859,18 @@ func (e *Editor) richTextColors(object *GraphicObject) error {
 
 // copiedRichTextMetadata 检查当前文档对象快照的标引，不将外部同号对象误认成本地对象
 // 入参: objects 待复制快照
-// 返回: map[int]richTextMetadata 需要复制的语义, error 损坏诊断
-func (e *Editor) copiedRichTextMetadata(objects []GraphicObject) (map[int]richTextMetadata, error) {
-	result := make(map[int]richTextMetadata)
+// 返回: map[int]*richTextSnapshot 需要复制的语义, error 损坏诊断
+func (e *Editor) copiedRichTextMetadata(objects []GraphicObject) (map[int]*richTextSnapshot, error) {
+	result := make(map[int]*richTextSnapshot)
 	for i, object := range objects {
-		if object.Type != "CompositeObject" {
+		if object.Type != "CompositeObject" && object.Type != "CompositeGraphicUnit" {
 			continue
 		}
 		if object.origin != nil && e.snapshotOrigin(object) == nil {
 			continue
 		}
 		if object.richText != nil {
-			unit, err := e.compositeDefinition(object.CompositeGraphicUnit.ResourceID)
-			if err != nil {
-				return nil, err
-			}
-			if richTextDigest(unit.object.CompositeGraphicUnit.Objects) != object.richText.Digest {
-				return nil, fmt.Errorf("rich text snapshot resource has changed")
-			}
-			result[i] = cloneEditorData(*object.richText)
+			result[i] = object.richText
 			continue
 		}
 		index := e.richTextMetadataIndex()
@@ -915,45 +880,125 @@ func (e *Editor) copiedRichTextMetadata(objects []GraphicObject) (map[int]richTe
 		if len(index.entries) == 0 {
 			continue
 		}
-		id := editorObjectID(object)
 		for page := range e.pages {
-			entry, err := e.richTextEntry(page, id)
-			if errors.Is(err, ErrNotRichText) {
-				continue
-			}
+			snapshot, err := e.captureRichTextSnapshot(page, object)
 			if err != nil {
 				return nil, err
 			}
-			current, err := e.Object(page, id)
-			if err != nil {
-				continue
-			}
-			if current.CompositeGraphicUnit.ResourceID != object.CompositeGraphicUnit.ResourceID {
-				continue
-			}
-			if _, err := e.RichText(page, id); err != nil {
-				return nil, err
-			}
-			result[i] = entry.metadata
+			if snapshot != nil {
+				result[i] = snapshot
 				break
 			}
 		}
+	}
 	return result, nil
 }
 
-// attachRichTextSnapshot 为普通对象快照附加不可变编辑语义，复制后不依赖原对象继续存在
+// attachRichTextSnapshot 为对象快照附加嵌套编辑语义，来源删除后仍可跨页粘贴
 // 入参: page 页面索引, object 对象快照
-func (e *Editor) attachRichTextSnapshot(page int, object *GraphicObject) {
-	object.richText = nil
-	if object.Type != "CompositeObject" {
-		return
+// 返回: error 标引或资源错误
+func (e *Editor) attachRichTextSnapshot(page int, object *GraphicObject) error {
+	snapshot, err := e.captureRichTextSnapshot(page, *object)
+	object.richText = snapshot
+	return err
+}
+
+// captureRichTextSnapshot 捕获组合树内的富文本标引，不复制共享二进制资源
+// 入参: page 页面索引, object 根对象
+// 返回: *richTextSnapshot 不可变快照，无标引时为空, error 标引或资源错误
+func (e *Editor) captureRichTextSnapshot(page int, object GraphicObject) (*richTextSnapshot, error) {
+	if object.Type != "CompositeObject" && object.Type != "CompositeGraphicUnit" {
+		return nil, nil
 	}
-	entry, err := e.richTextEntry(page, editorObjectID(*object))
-	if err != nil {
-		return
+	index := e.richTextMetadataIndex()
+	if index.err != nil || len(index.entries) == 0 {
+		return nil, index.err
+	}
+	active := make(map[string]bool)
+	var capture func(GraphicObject) (*richTextSnapshot, error)
+	capture = func(object GraphicObject) (*richTextSnapshot, error) {
+		if object.Type != "CompositeObject" && object.Type != "CompositeGraphicUnit" {
+			return nil, nil
+		}
+		entry, err := e.richTextEntry(page, editorObjectID(object))
+		if err == nil {
+			if _, err := e.richTextObject(page, object); err != nil {
+				return nil, err
 			}
 			meta := cloneEditorData(entry.metadata)
-	object.richText = &meta
+			return &richTextSnapshot{metadata: &meta}, nil
+		}
+		if !errors.Is(err, ErrNotRichText) {
+			return nil, err
+		}
+		unit := object.CompositeGraphicUnit
+		if unit.ResourceID != "" {
+			if active[unit.ResourceID] {
+				return nil, fmt.Errorf("cyclic composite resource")
+			}
+			active[unit.ResourceID] = true
+			defer delete(active, unit.ResourceID)
+			definition, err := e.compositeDefinition(unit.ResourceID)
+			if err != nil {
+				return nil, err
+			}
+			unit = definition.object.CompositeGraphicUnit
+		}
+		var snapshot *richTextSnapshot
+		i := 0
+		for child := range unit.objects() {
+			value, err := capture(child)
+			if err != nil {
+				return nil, err
+			}
+			if value != nil {
+				if snapshot == nil {
+					snapshot = &richTextSnapshot{children: make(map[int]*richTextSnapshot)}
+				}
+				snapshot.children[i] = value
+			}
+			i++
+		}
+		return snapshot, nil
+	}
+	return capture(object)
+}
+
+// putRichTextSnapshot 恢复复制后的嵌套标引，按目标标准内容更新摘要和字体映射
+// 入参: page 目标页, object 复制后的对象, snapshot 来源不可变语义
+// 返回: error 结构或标引错误
+func (e *Editor) putRichTextSnapshot(page int, object GraphicObject, snapshot *richTextSnapshot) error {
+	if snapshot.metadata != nil {
+		index := -1
+		if entry, err := e.richTextEntry(page, editorObjectID(object)); err == nil {
+			index = entry.index
+		} else if !errors.Is(err, ErrNotRichText) {
+			return err
+		}
+		return e.putCompositeRichTextMetadata(page, object, *snapshot.metadata, index)
+	}
+	unit := object.CompositeGraphicUnit
+	if unit.ResourceID != "" {
+		definition, err := e.compositeDefinition(unit.ResourceID)
+		if err != nil {
+			return err
+		}
+		unit = definition.object.CompositeGraphicUnit
+	}
+	i, count := 0, 0
+	for child := range unit.objects() {
+		if value := snapshot.children[i]; value != nil {
+			if err := e.putRichTextSnapshot(page, child, value); err != nil {
+				return err
+			}
+			count++
+		}
+		i++
+	}
+	if count != len(snapshot.children) {
+		return fmt.Errorf("copied composite structure differs")
+	}
+	return nil
 }
 
 // richTextTagsFontSafe 仅允许完整识别且不含资源编号的本库标引通过字体重绑定检查

ofdgo_page.go

@@ -63,7 +63,7 @@ type GraphicObject struct {
 	CompositeGraphicUnit CompositeGraphicUnit
 	origin               *editorObjectOrigin
 	state                editorCompositeState
-	richText             *richTextMetadata
+	richText             *richTextSnapshot
 }
 
 // Clips 相对于对象外接矩形的裁剪集合