fix: Canvas-Verschieben stabilisiert und Version auf 0.9.5 erhöht
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@@ -13,7 +13,7 @@
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<groupId>de.assecutor</groupId>
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<artifactId>workflow-editor</artifactId>
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<version>0.9.3</version>
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<version>0.9.5</version>
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<name>Workflow Editor</name>
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<description>n8n-inspired editor for task list workflows</description>
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@@ -329,7 +329,9 @@ function attach(host) {
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host.classList.add('task-list-editor');
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host.innerHTML = '';
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const container = document.createElement('div');
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container.className = 'task-list-editor-container';
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// Drawflow prüft beim Drag-Start nur classList[0]. Nach dem Verschieben
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// liegt der freie Hintergrund oft außerhalb des transformierten .drawflow.
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container.className = 'parent-drawflow task-list-editor-container';
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container.style.width = '100%';
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container.style.height = '100%';
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host.appendChild(container);
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@@ -476,11 +478,18 @@ function attach(host) {
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selectConnection(state, path);
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}, true);
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// Rechte Maustaste: auf einem Knoten wird der Knoten verschoben (Drawflow
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// zieht Knoten nur mit links), auf dem freien Canvas wird die gesamte
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// Ansicht verschoben (Panning).
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// Panning mit links und rechts über dieselben dokumentweiten Handler:
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// Drawflow hört selbst nur am Container und verliert beim Verlassen des
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// Canvas insbesondere das mouseup. Seine Auswahl-Logik bleibt erhalten.
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let rightDrag = null;
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let rightPan = null;
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let canvasPan = null;
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editor.on('clickEnd', e => {
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if (e.type !== 'mousedown' || e.button !== 0 || !editor.editor_selected) return;
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editor.editor_selected = false;
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canvasPan = { lastX: e.clientX, lastY: e.clientY, button: 0 };
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});
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// Rechte Maustaste: Knoten verschieben oder auf freiem Canvas pannen.
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container.addEventListener('mousedown', e => {
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if (e.button !== 2) return;
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e.preventDefault();
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@@ -494,18 +503,30 @@ function attach(host) {
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lastY: e.clientY
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};
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} else {
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rightPan = { lastX: e.clientX, lastY: e.clientY };
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canvasPan = { lastX: e.clientX, lastY: e.clientY, button: 2 };
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}
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}, true);
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const onRightMove = e => {
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if (rightPan) {
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editor.canvas_x += e.clientX - rightPan.lastX;
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editor.canvas_y += e.clientY - rightPan.lastY;
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rightPan.lastX = e.clientX;
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rightPan.lastY = e.clientY;
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const moveCanvas = e => {
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editor.canvas_x += e.clientX - canvasPan.lastX;
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editor.canvas_y += e.clientY - canvasPan.lastY;
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canvasPan.lastX = e.clientX;
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canvasPan.lastY = e.clientY;
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editor.precanvas.style.transform =
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'translate(' + editor.canvas_x + 'px, ' + editor.canvas_y + 'px) scale(' + editor.zoom + ')';
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editor.dispatch('translate', { x: editor.canvas_x, y: editor.canvas_y });
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};
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const onDragMove = e => {
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if (!canvasPan && !rightDrag) return;
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// Auch ein außerhalb des Browserfensters verlorenes mouseup abfangen.
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const buttonMask = canvasPan?.button === 0 ? 1 : 2;
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if (!(e.buttons & buttonMask)) {
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onDragEnd();
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return;
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}
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if (canvasPan) {
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e.preventDefault();
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moveCanvas(e);
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return;
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}
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if (!rightDrag) return;
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@@ -521,15 +542,20 @@ function attach(host) {
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if (data) { data.pos_x = newLeft; data.pos_y = newTop; }
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editor.updateConnectionNodes('node-' + rightDrag.id);
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};
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const onRightUp = () => {
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const onDragEnd = e => {
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if (e?.type === 'mouseup') {
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if (e.button !== (canvasPan?.button ?? 2)) return;
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if (canvasPan) moveCanvas(e);
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}
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// Ein per Rechts-Drag verschobener Knoten löst Drawflows nodeMoved
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// nicht aus -> Undo-Schnappschuss hier ablegen.
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if (rightDrag && rightDrag.moved) recordHistory(state);
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rightDrag = null;
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rightPan = null;
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canvasPan = null;
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};
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document.addEventListener('mousemove', onRightMove);
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document.addEventListener('mouseup', onRightUp);
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document.addEventListener('mousemove', onDragMove, true);
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document.addEventListener('mouseup', onDragEnd, true);
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window.addEventListener('blur', onDragEnd);
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// Rechts dient nur zum Verschieben: Browser-Kontextmenü unterdrücken und
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// das Event in der Capture-Phase stoppen, bevor Drawflows eigener
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@@ -598,8 +624,9 @@ function attach(host) {
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}
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document.removeEventListener('keydown', deleteSelectedConnection);
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document.removeEventListener('keydown', undoKeyHandler);
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document.removeEventListener('mousemove', onRightMove);
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document.removeEventListener('mouseup', onRightUp);
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document.removeEventListener('mousemove', onDragMove, true);
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document.removeEventListener('mouseup', onDragEnd, true);
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window.removeEventListener('blur', onDragEnd);
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container.removeEventListener('wheel', onWheelZoom, { capture: true });
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};
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