Tree Events
Events in View Designer
● onDrop
Assignment of the action to be executed when the user moves an entry or multiple entries in the tree by means of drag and drop.
Parameter Name |
Type |
Description |
ID |
STRING |
|
CONTEXT_ELEMENT |
IF_WD_CONTEXT_ELEMENT |
|
DATA |
STRING |
Textual representation of data transported to DropTarget. Along with mimeType, this property forms a link to resources. DATA is the value of the DragSourceInfo.data property of the UI element that was dropped onto the tree. |
MIME_TYPE |
STRING |
Type of resource. MIME_TYPE is the value of the DragSourceInfo.mimeType property of the UI element that was dropped onto the tree. If a URL, for example, is also specified under DATA, the exact type of the resource behind it can be provided here. |
OFFSET |
I |
Position where the object is dropped: ● -1 means above the entry ● +1 means below the entry ● 0 means that the object is dropped on the row. |
PATH |
IF_WD_CONTEXT_ELEMENT |
Path of the context element that corresponds to the instance of the UI element onto which something was dropped. |
TAGS |
STRING |
This property corresponds to flavors in the programming environment. The flavor describes the type of drag and drop description. In a drag and drop operation, you can only drop an object onto another if both have at least one common TAGS. |
● onExpandAll
Action executed when all the nodes of a tree are expanded.
Parameter Name |
Type |
Description |
ID |
STRING |
|
CONTEXT_ELEMENT |
IF_WD_CONTEXT_ELEMENT |