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object --+ | util.IEventListener --+ | terminal.paintable.IPaintable --+ | object --+ | | | terminal.variable_owner.IVariableOwner --+ | object --+ | | | terminal.sizeable.ISizeable --+ | component.IComponent --+ | object --+ | | | event.method_event_source.IMethodEventSource --+ | abstract_component.AbstractComponent --+ | object --+ | | | data.buffered.IBuffered --+ | | | object --+ | | | | | data.validatable.IValidatable --+ | | | data.buffered.IBufferedValidatable --+ | | | object --+ | | | | | data.property.IValueChangeNotifier --+ | | | object --+ | | | | | data.property.IValueChangeListener --+ | | | object --+ | | | | | data.property.IViewer --+ | | | | | data.property.IEditor --+ | | | object --+ | | | | | util.IEventListener --+ | | | | | terminal.paintable.IPaintable --+ | | | | | object --+ | | | | | | | terminal.variable_owner.IVariableOwner --+ | | | | | object --+ | | | | | | | terminal.sizeable.ISizeable --+ | | | | | component.IComponent --+ | | | | | component.IFocusable --+ | | | field.IField --+ | object --+ | | | event.action.IShortcutNotifier --+ | object --+ | | | data.property.IReadOnlyStatusChangeNotifier --+ | object --+ | | | data.property.IReadOnlyStatusChangeListener --+ | abstract_field.AbstractField --+ | object --+ | | | data.container.IContainer --+ | object --+ | | | data.container.IViewer --+ | object --+ | | | data.container.IPropertySetChangeListener --+ | object --+ | | | data.container.IPropertySetChangeNotifier --+ | object --+ | | | data.container.IItemSetChangeNotifier --+ | object --+ | | | data.container.IItemSetChangeListener --+ | abstract_select.AbstractSelect --+ | object --+ | | | data.container.IContainer --+ | | | data.container.IHierarchical --+ | object --+ | | | event.action.IContainer --+ | object --+ | | | event.item_click_event.IItemClickNotifier --+ | | | event.item_click_event.IItemClickSource --+ | object --+ | | | event.item_click_event.IItemClickNotifier --+ | object --+ | | | util.IEventListener --+ | | | terminal.paintable.IPaintable --+ | | | object --+ | | | | | terminal.variable_owner.IVariableOwner --+ | | | object --+ | | | | | terminal.sizeable.ISizeable --+ | | | component.IComponent --+ | | | event.dd.drag_source.IDragSource --+ | object --+ | | | util.IEventListener --+ | | | terminal.paintable.IPaintable --+ | | | object --+ | | | | | terminal.variable_owner.IVariableOwner --+ | | | object --+ | | | | | terminal.sizeable.ISizeable --+ | | | component.IComponent --+ | | | event.dd.drop_target.IDropTarget --+ | Tree
Tree component. A Tree can be used to select an item (or multiple items) from a hierarchical set of items.
Version: 1.1.2
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Inherited from Inherited from Inherited from Inherited from |
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Inherited from |
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CLIENT_WIDGET = None hash(x) |
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Inherited from Inherited from Inherited from |
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Inherited from |
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Creates a new tree with caption and connect it to a IContainer.
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Check is an item is expanded
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Expands an item.
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Requests that the paintable should be repainted as soon as possible.
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Expands the items recursively Expands all the children recursively starting from an item. Operation succeeds only if all expandable items are expanded.
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Collapses an item.
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Collapses the items recursively. Collapse all the children recursively starting from an item. Operation succeeds only if all expandable items are collapsed.
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Returns the current selectable state. Selectable determines if the a node can be selected on the client side. Selectable does not affect setValue or select. The tree is selectable by default.
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Sets the selectable state. Selectable determines if the a node can be selected on the client side. Selectable does not affect setValue or select. The tree is selectable by default.
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Sets the behavior of the multiselect mode
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Returns the mode the multiselect is in. The mode controls how multiselection can be done.
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Invoked when the value of a variable has changed.
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Handles the selection
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Paints any needed component-specific things to the given UIDL stream.
See Also: AbstractComponent.paintContent |
Tests if the Item with given ID can have any children.
See Also: IHierarchical.areChildrenAllowed |
Gets the IDs of all Items that are children of the specified Item.
See Also: IHierarchical.getChildren |
Gets the ID of the parent Item of the specified Item.
See Also:
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Tests if the Item specified with
See Also: IHierarchical.hasChildren |
Tests if the Item specified with
See Also: IHierarchical.isRoot |
Gets the IDs of all Items in the container that don't have a parent.
See Also: IHierarchical.rootItemIds |
Sets the given Item's capability to have children.
See Also: IHierarchical.setChildrenAllowed |
Sets the parent component of the component. This method automatically calls attach if the parent becomes attached to the
application, regardless of whether it was attached previously.
Conversely, if the parent is This method is rarely called directly. The It is not possible to change the parent without first setting the
parent to
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Sets the IContainer that serves as the data source of the viewer.
See Also:
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Adds the expand/collapse listener.
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Removes the expand/collapse listener.
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Emits the expand event.
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Emits collapse event.
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Adds an action handler.
See Also: IContainer.addActionHandler |
Removes an action handler.
See Also: IContainer.removeActionHandler |
Gets the visible item ids. See Also:
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Tree does not support
See Also: AbstractSelect.setNullSelectionItemId |
Adding new items is not supported.
See Also:
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Tree does not support lazy options loading mode. Setting this true will throw NotImplementedError. See Also:
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Sets the IItemStyleGenerator to be used with this tree.
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Removes the Item identified by Containers that support filtering should also allow removing an item that is currently filtered out. This functionality is optional.
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Called before the DragAndDropEvent is passed to
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See Also: TreeDragMode |
IDragSource may convert data added by client side component to meaningful values for server side developer or add other data based on it. For example Tree converts item identifiers to generated string keys
for the client side. Muntjac developer don't and can't know anything
about these generated keys, only about item identifiers. When tree node
is dragged client puts that key to
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Set the item description generator which generates tooltips for the tree items
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