Blockly.
Constructor
BubbleDragger
new BubbleDragger(bubble, workspace)
Class for a bubble dragger. It moves things on the bubble canvas around the workspace when they are being dragged by a mouse or touch. These can be block comments, mutators, warnings, or workspace comments.
Parameter |
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bubble |
(non-null Blockly.Bubble or non-null Blockly.WorkspaceCommentSvg) The item on the bubble canvas to drag. |
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workspace |
The workspace to drag on. Value must not be null. |
Methods
dispose
dispose()
Sever all links from this object.
dragBubble
dragBubble(e, currentDragDeltaXY)
Execute a step of bubble dragging, based on the given event. Update the display accordingly.
Parameter |
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e |
Event The most recent move event. Value must not be null. |
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currentDragDeltaXY |
goog.math.Coordinate How far the pointer has moved from the position at the start of the drag, in pixel units. Value must not be null. |
endBubbleDrag
endBubbleDrag(e, currentDragDeltaXY)
Finish a bubble drag and put the bubble back on the workspace.
Parameter |
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|---|---|
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e |
Event The mouseup/touchend event. Value must not be null. |
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currentDragDeltaXY |
goog.math.Coordinate How far the pointer has moved from the position at the start of the drag, in pixel units. Value must not be null. |
startBubbleDrag
startBubbleDrag()
Start dragging a bubble. This includes moving it to the drag surface.