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DropController which allows a draggable widget to be placed at specific (absolute)
locations on an AbsolutePanel drop target.AbsolutePositionDropController example.Area calculations.DragController which performs the bare essentials such as adding/removing styles,
maintaining collections, adding mouse listeners, etc.AbstractInsertPanelDropController insteadDropController for InsertPanel drop targets.DropController which allows a draggable widget to be placed at valid positions
(locations) on the drop target, such as AbsolutePanel,
VerticalPanel or
HorizontalPanel.DragStartEvents and and
DragEndEvents.
DragHandler to listen for drag related events.
SimpleDropController example.DropController for the Panel which contains a
given draggable widget.DragDropDemo) for demo client code, used by getClassAnchorHTML(Class).
DropController used in the example.
DOMUtil implementation for IE.DOMUtil implementation for Mozilla.DOMUtil implementation for Opera.DOMUtil implementation for standard browsers.MouseDragHandler.
MouseDragHandler.dragEndCleanup() at the end of a drag operation to cleanup
state.
EventObject containing information about the end of a drag.null when not dragging.
EventListener interface for drag-and-drop events.DragHandler interface.DragHandlers.MouseDragHandler.
MouseDragHandler when a drag operation is initiated for this drag
controller.
MouseDragHandler.startDragging() at the start of a drag operation to initialize
state.
EventObject containing information about the start of a drag.null when not dragging, or when the drag
controller does not utilize drop controllers.
DualListExample.AbsolutePanel.setWidgetPosition(Widget, int, int) .
null before the final
drop has occurred, or when the drag controller does not utilize drop controllers.
DragHandler.onDragEnd(DragEndEvent) on all handlers in the collection.
DragHandler.onDragStart(DragStartEvent) on all handlers in the collection.
DragHandler.onPreviewDragEnd(DragEndEvent) on all handlers in the collection.
DragHandler.onPreviewDragStart(DragStartEvent) on all handlers in the
collection.
DragHandler interface.FlexTableRowDropController example.FlexTables.DropController for instances of FlowPanel.FlowPanelDropController example.0 (zero) when the
element is hidden.
0 (zero) when the
element is hidden.
0 (zero) when the element is hidden.
0 (zero) when the element is hidden.
nodeName property.
obj.
DropController which constrains the placement of draggable widgets the grid specified
in the constructor.GridConstrainedDropController example.DragController.makeDraggable(Widget, Widget) to
DragController.makeDraggable(Widget) for implementing classes.DropController for instances of HorizontalPanel.HorizontalPanelDropController.
HorizontalPanelDropController or VerticalPanelDropController
instead.location indicates insertion following widgetArea.
MouseDragHandler to the widget, applies styles to the draggable and the
handle.
AbstractDragController.makeDraggable(Widget), but allow separate, child to be specified as the
drag handle by which the first widget can be dragged.
AbstractDragController.makeDraggable(Widget), detaching the MouseDragHandler
from the widget and removing any styling which was applied when making the widget draggable.
DragController.makeDraggable(Widget), making the widget no longer draggable
by this drag controller.
PickupDragController.dragStart() to allow subclasses to provide their own
drag proxies.
(gridX, gridY).
AbstractIndexedDropController.onEnter(DragContext) to create a new positioner
widget for this indexed drop target.
AbstractInsertPanelDropController.onEnter(DragContext) to create a new
positioner widget for this InsertPanel drop target.
Example.onLoad() is called for the first time.
DropController.onDrop(DragContext) to allow for any cleanup.
Example.onInitialLoad() when called for the first time.
DragHandler.onDragEnd(DragEndEvent) is fired and provides an opportunity for any
registered DragHandler to throw VetoDragException to prevent the operation.
DragHandler.onDragStart(DragStartEvent) is fired and provides an opportunity for any
registered DragHandler to throw VetoDragException to prevent the operation.
DropController.onDrop(DragContext) to allow the drop operation to be cancelled
by throwing a VetoDragException.
PaletteWidget children that removed with
widget copies of the original.PalettePanel.MouseDragHandler.
MouseDragHandler.
PaletteWidget are immediately replaced with a
cloned copy of the original.
DragHandler.
Window.alert() than throw a RuntimeException.
AbstractDragController.dragStart().
CTRL/
META-click.
DropController which accepts widgets dropped on it.[(left, top) - (right, bottom) ].
(x, y).
DropController for instances of VerticalPanel.VerticalPanelDropController.
VerticalPanel which has a permanent spacer at the end to prevent CSS collapse of the
panel and its parent.DragHandlers when the proposed operation is
unacceptable.VetoDragException
which caused the drag to be cancelled, or null if the drag was successful.
widget relative to reference, such that
referencePanel.add(widget, location.getLeft(), location.getTop()) leaves the
widget in the exact same location on the screen.
DragStartEvents and DragEndEvents.
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