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Add optional delete icon to bottom-left corner of elements #33

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merged 1 commit into from
Sep 4, 2024
Merged

Add optional delete icon to bottom-left corner of elements #33

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4 changes: 4 additions & 0 deletions lib/src/elements/flow_element.dart
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Original file line number Diff line number Diff line change
Expand Up @@ -90,6 +90,7 @@ class FlowElement extends ChangeNotifier {
isDraggable = true,
isResizable = false,
isConnectable = true,
isDeletable = false,
// fixing offset issue under extreme scaling
position = position -
Offset(
Expand Down Expand Up @@ -191,6 +192,9 @@ class FlowElement extends ChangeNotifier {
/// Whether this element can be resized
bool isResizable;

/// Whether this element can be deleted quickly by clicking on the trash icon
bool isDeletable;

/// Whether this element can be connected to others
bool isConnectable;

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17 changes: 17 additions & 0 deletions lib/src/ui/element_widget.dart
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Expand Up @@ -179,6 +179,7 @@ class _ElementWidgetState extends State<ElementWidget> {
children: [
element,
if (widget.element.isResizable) _buildResizeHandle(),
if (widget.element.isDeletable) _buildDeleteHandle(),
],
),
),
Expand Down Expand Up @@ -208,6 +209,22 @@ class _ElementWidgetState extends State<ElementWidget> {
);
}

Widget _buildDeleteHandle() {
return Listener(
onPointerUp: (event) {
widget.dashboard.removeElement(widget.element);
},
child: const Align(
alignment: Alignment.bottomLeft,
child: HandlerWidget(
width: 30,
height: 30,
icon: Icon(Icons.delete_outline),
),
),
);
}

Widget _buildDraggableWidget(Widget element) {
return Listener(
onPointerDown: (event) {
Expand Down