✨ Workflow canvas revamp (#2388)

* bring back overrides

* fix input output label positions

* simply update label positions

* refactor a bunch

* update min x to show items

* hide overlay on connection

* only delete target connection, add maximum to push nodes out

* rename const

* rename const

* set new insert position

* fix insert behavior

* update position handling

* show arrow along with label

* update connector

* set endpoint styles

* update pattern

* push nodes up / down in case of if node

* set position in switch

* only one action at a time

* add custom flow chart type

* select start node by default when opening new workflow

* add enter delay

* fix delete bug

* change connection type

* add offset for if/switch/merge

* fix gap

* fix drag issue

* implement new states

* update disabled state

* add selected state

* make selects faster

* update positioning

* truncate when selected

* remove offset for actions

* fix icon scaling

* refactor js plumb

* fix looping behavior at close distance

* lock version

* change background to dots

* update endpoints styling

* increase spacing

* udpate node z-index

* fix output label positions

* fix output label positions

* reset location

* add label offset

* update border radius

* fix height issue

* fix parallaxing issue

* fix zoomout issue

* add success z-index

* clean up js file

* add package lock

* fix z-index bug

* update dot grid

* update zoom level

* set values, increase grid size

* fix drop position

* prevent duplicate connections

* fix stub

* use localstorage overrides for colors

* add colors to system

* revert no longer needed changes

* revert no longer needed changes

* add canvas colors

* add canvas colors

* use variable for id

* force type

* refactor helpers

* add label constants

* refactor func

* refactor

* fix

* refactor

* clean up css

* refactor setzoom level

* refactor

* refactor

* refactor func

* remove scope

* remove localstorage caching

* clean up imports

* update zero case

* add delete connection

* update selected state

* add base type, remove straight line

* add stub offset back

* rename param

* add label offset

* update font size of items

* move up label

* fix error state while executing

* disrespect stubs

* check for errors

* refactor position

* clean up extra space

* make entire node connectable

* Revert "make entire node connectable"

e304f7c5b8ff1b41268450c60ca4bc3b2ada5d4a

* always show border

* add border to zoom buttons

* update spacing

* update colors

* allow connecting to entire node

* fix pull conn active

* two line names

* apply select to all lines

* increase input margin

* override target pos

* reset conn after pull

* fix types

* update orientation

* fix up connectors snapping

* hide arrow on pull

* update overrides for connectors

* change text

* update pull colors

* set to 1 line when selected

* fix executions bug

* build

* refactor node component

* remove comment

* refactor more

* remove prop

* fix build issue

* fix input drag bug in executions

* reset offset

* update select background

* handle issue when endpoints are not set

* fix connection aborted issue

* add try catch to help show errors

* wrap bind with try/catch

* set default styles

* reset pos despite zoom

* add more checks

* clean up impl

* update icon

* handle unknown types

* hide items on init

* fix importing unknown types with credentials

* change opacity

* push up item label

* update color

* update label class and colors

* add to drop distance

* fix z-index to match node

* disable eslint

* fix lasso tool selection

* update background color

* update waiting state

* update tooltip positions

* update wait node border

* fix selection bug mostly

* if selected, move above other nodes

* add line through disabled nodes

* remove node color option

* move label above connection

* success color for line through

* update options index

* hide waiting icon when disabled

* fix gmail icon

* refactor icons

* clear execution data on disable/delete

* fix selected node

* fix executing behavior

* optional __meta

* set grid size

* remove default color

* remove node color

* add comments

* comments

* add comments

* remove empty space

* update comment

* refactor uuids

* fix type issue

* Revert "fix type issue"

9523b34f9604f75253ae0631f29fc27267a99d78

* Revert "fix type issue"

9523b34f9604f75253ae0631f29fc27267a99d78

* Revert "refactor uuids"

07f6848065cb9a98475fddb8330846106f9e70ad

* fix build issues

* refactor

* update uuid

* child nodes

* skip nodes behind when pushing in loop

* shift output icon for switch node

* don't show output if waiting

* waiting on init

* build

* change to bezier

* revert connector change

* add bezier type

* fix snapping

* clean up impl

* refactor func

* make const

* rename type

* refactor to simplify

* Revert "refactor to simplify"

2db0ed504c752c33de975370d86a83a04ffcda14

* enable flowchart mode

* clean up flowchart type

* refactor type

* merge types

* configure curviness

* set in localstorage

* fix straight line arrow bug

* show arrow when pulling

* refactor / simplify

* fix target gap in bezier

* refactor target gap

* add comments

* add comment

* fix dragging connections

* fix bug when moving connection

* update comment

* rename file

* update values

* update minor

* update straight line box

* clean up conn types

* clean up z-indexes

* move color filters to node icon

* update background color

* update to use grid size value

* fix endpoint offsets

* set yspan range lower

* remove overlays when moving conn

* prevent unwanted connections

* fix messed up connections

* remove console log

* clear execution issues on workflow run

* update corner radius

* fix drag/delete bug

* increase offset

* update disabled state

* address comments

* refactor

* refactor func

* ⚡ Add full license text to N8nCustomConnectorType.js

Co-authored-by: Jan Oberhauser <jan.oberhauser@gmail.com>

packages/editor-ui/src/components/mixins/mouseSelect.ts

@@ -1,9 +1,10 @@
-import { INodeUi } from '@/Interface';
+import { INodeUi, XYPosition } from '@/Interface';
 
 import mixins from 'vue-typed-mixins';
 
 import { deviceSupportHelpers } from '@/components/mixins/deviceSupportHelpers';
 import { nodeIndex } from '@/components/mixins/nodeIndex';
+import { getMousePosition, getRelativePosition } from '@/views/canvasHelpers';
 
 export const mouseSelect = mixins(
 	deviceSupportHelpers,
@@ -42,23 +43,14 @@ export const mouseSelect = mixins(
 			}
 			return e.ctrlKey;
 		},
-		/**
-		 * Gets mouse position within the node view. Both node view offset and scale (zoom) are considered when
-		 * calculating position.
-		 *
-		 * @param event - mouse event within node view
-		 */
-		getMousePositionWithinNodeView (event: MouseEvent) {
+		getMousePositionWithinNodeView (event: MouseEvent | TouchEvent): XYPosition {
+			const [x, y] = getMousePosition(event);
 			// @ts-ignore
-			const nodeViewScale = this.nodeViewScale;
-			const offsetPosition = this.$store.getters.getNodeViewOffsetPosition;
-			return {
-				x: (event.pageX - offsetPosition[0]) / nodeViewScale,
-				y: (event.pageY - offsetPosition[1]) / nodeViewScale,
-			};
+			return getRelativePosition(x, y, this.nodeViewScale, this.$store.getters.getNodeViewOffsetPosition);
 		},
 		showSelectBox (event: MouseEvent) {
-			this.selectBox = Object.assign(this.selectBox, this.getMousePositionWithinNodeView(event));
+			const [x, y] = this.getMousePositionWithinNodeView(event);
+			this.selectBox = Object.assign(this.selectBox, {x, y});
 
 			// @ts-ignore
 			this.selectBox.style.left = this.selectBox.x + 'px';
@@ -90,7 +82,7 @@ export const mouseSelect = mixins(
 			this.selectActive = false;
 		},
 		getSelectionBox (event: MouseEvent) {
-			const {x, y} = this.getMousePositionWithinNodeView(event);
+			const [x, y] = this.getMousePositionWithinNodeView(event);
 			return {
 				// @ts-ignore
 				x: Math.min(x, this.selectBox.x),
@@ -162,6 +154,10 @@ export const mouseSelect = mixins(
 				this.nodeSelected(node);
 			});
 
+			if (selectedNodes.length === 1) {
+				this.$store.commit('setLastSelectedNode', selectedNodes[0].name);
+			}
+
 			this.hideSelectBox();
 		},
 		mouseMoveSelect (e: MouseEvent) {
@@ -195,6 +191,10 @@ export const mouseSelect = mixins(
 			this.$store.commit('setLastSelectedNode', null);
 			this.$store.commit('setLastSelectedNodeOutputIndex', null);
 			this.$store.commit('setActiveNode', null);
+			// @ts-ignore
+			this.lastSelectedConnection = null;
+			// @ts-ignore
+			this.newNodeInsertPosition = null;
 		},
 	},
 });