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Enable cross-workflow node duplication with layers

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Store canvas state in IndexedDB clipboard on copy, allowing nodes to be
duplicated with their layers preserved across different workflows.

When copying a node, the canvas state is stored in a special
'__clipboard__' entry that persists across workflow switches. On paste,
if the source node doesn't exist (indicating cross-workflow paste), the
system falls back to loading from the clipboard entry.
This commit is contained in:
diodiogod
2026-01-19 18:24:42 -03:00
parent 27ad139cd5
commit 9b04729561
2 changed files with 49 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
js/CanvasView.js
View File

@@ -1126,14 +1126,19 @@ app.registerExtension({
setTimeout(async () => {
try {
const { getCanvasState, setCanvasState } = await import('./db.js');
const sourceState = await getCanvasState(String(sourceNodeId));
let sourceState = await getCanvasState(String(sourceNodeId));
// If source node doesn't exist (cross-workflow paste), try clipboard
if (!sourceState) {
log.debug(`No canvas state found for source node ${sourceNodeId}`);
log.debug(`No canvas state found for source node ${sourceNodeId}, checking clipboard`);
sourceState = await getCanvasState('__clipboard__');
}
if (!sourceState) {
log.debug(`No canvas state found in clipboard either`);
return;
}
await setCanvasState(String(this.id), sourceState);
await canvasWidget.canvas.loadInitialState();
log.info(`Canvas state copied successfully from node ${sourceNodeId} to node ${this.id}`);
log.info(`Canvas state copied successfully to node ${this.id}`);
}
catch (error) {
log.error(`Error copying canvas state:`, error);
@@ -1312,6 +1317,22 @@ app.registerExtension({
// Store a reference to the source node ID so we can copy layer data
data.sourceNodeId = this.id;
log.debug(`Serializing node ${this.id} for copy`);
// Store canvas state in a clipboard entry for cross-workflow paste
// This happens async but that's fine since paste happens later
(async () => {
try {
const { getCanvasState, setCanvasState } = await import('./db.js');
const sourceState = await getCanvasState(String(this.id));
if (sourceState) {
// Store in a special "clipboard" entry
await setCanvasState('__clipboard__', sourceState);
log.debug(`Stored canvas state in clipboard for node ${this.id}`);
}
}
catch (error) {
log.error('Error storing canvas state to clipboard:', error);
}
})();
return data;
};
// Handle copy/paste - load canvas state from source node when pasting

28
src/CanvasView.ts
View File

@@ -1299,16 +1299,22 @@ app.registerExtension({
setTimeout(async () => {
try {
const { getCanvasState, setCanvasState } = await import('./db.js');
const sourceState = await getCanvasState(String(sourceNodeId));
let sourceState = await getCanvasState(String(sourceNodeId));
// If source node doesn't exist (cross-workflow paste), try clipboard
if (!sourceState) {
log.debug(`No canvas state found for source node ${sourceNodeId}, checking clipboard`);
sourceState = await getCanvasState('__clipboard__');
}
if (!sourceState) {
log.debug(`No canvas state found for source node ${sourceNodeId}`);
log.debug(`No canvas state found in clipboard either`);
return;
}
await setCanvasState(String(this.id), sourceState);
await canvasWidget.canvas.loadInitialState();
log.info(`Canvas state copied successfully from node ${sourceNodeId} to node ${this.id}`);
log.info(`Canvas state copied successfully to node ${this.id}`);
} catch (error) {
log.error(`Error copying canvas state:`, error);
}
@@ -1507,6 +1513,22 @@ app.registerExtension({
data.sourceNodeId = this.id;
log.debug(`Serializing node ${this.id} for copy`);
// Store canvas state in a clipboard entry for cross-workflow paste
// This happens async but that's fine since paste happens later
(async () => {
try {
const { getCanvasState, setCanvasState } = await import('./db.js');
const sourceState = await getCanvasState(String(this.id));
if (sourceState) {
// Store in a special "clipboard" entry
await setCanvasState('__clipboard__', sourceState);
log.debug(`Stored canvas state in clipboard for node ${this.id}`);
}
} catch (error) {
log.error('Error storing canvas state to clipboard:', error);
}
})();
return data;
};