com.extjs.gxt.ui.client.widget.treepanel
Class TreePanelSelectionModel<M extends ModelData>

java.lang.Object
  com.extjs.gxt.ui.client.event.BaseObservable
      com.extjs.gxt.ui.client.widget.selection.AbstractStoreSelectionModel<M>
          com.extjs.gxt.ui.client.widget.treepanel.TreePanelSelectionModel<M>

Type Parameters:

M - the model type

All Implemented Interfaces:

Listener<TreePanelEvent>, Observable, SelectionProvider<M>, StoreSelectionModel<M>, java.util.EventListener

public class TreePanelSelectionModel<M extends ModelData>
extends AbstractStoreSelectionModel<M>
implements Listener<TreePanelEvent>

TreePanel selection model.

Field Summary

protected KeyNav<TreePanelEvent<M>>	keyNav
protected TreePanel	tree
protected TreeStore<M>	treeStore

Fields inherited from class com.extjs.gxt.ui.client.widget.selection.AbstractStoreSelectionModel

lastSelected, locked, selected, selectionMode, store, storeListener

Constructor Summary

TreePanelSelectionModel()

Method Summary

void	bindTree(TreePanel tree)
void	deselect(int index) Deselects the item at the given index.
void	deselect(int start, int end) Deselects the range.
void	handleEvent(TreePanelEvent tpe) Sent when an event that the listener has registered for occurs.
boolean	isSelected(M item) Returns true if the item is selected.
protected M	next()
protected void	onKeyDown(TreePanelEvent<M> e)
protected void	onKeyLeft(TreePanelEvent<M> ce)
protected void	onKeyRight(TreePanelEvent<M> ce)
protected void	onKeyUp(TreePanelEvent<M> e)
protected void	onMouseClick(TreePanelEvent e)
protected void	onMouseDown(TreePanelEvent be)
protected void	onSelectChange(M model, boolean select)
protected M	prev()
void	select(int start, int end, boolean keepExisting) Selects the range.
void	selectNext() Selects the item below the selected item in the tree, intelligently walking the nodes.
void	selectPrevious() Selects the item above the selected item in the tree, intelligently walking the nodes.

Methods inherited from class com.extjs.gxt.ui.client.widget.selection.AbstractStoreSelectionModel

addSelectionChangedListener, bind, deselect, deselect, deselect, deselectAll, doDeselect, doMultiSelect, doSelect, doSingleSelect, fireSelectionChange, getLastFocused, getSelectedItem, getSelectedItems, getSelection, getSelectionMode, isLocked, isModelsEqual, onAdd, onClear, onLastFocusChanged, onRemove, onUpdate, refresh, removeSelectionListener, select, select, select, select, selectAll, setLastFocused, setLocked, setSelection, setSelectionMode

Methods inherited from class com.extjs.gxt.ui.client.event.BaseObservable

addListener, callListener, fireEvent, fireEvent, getFiresEvents, getListeners, hasActiveEvent, hasListeners, hasListeners, removeAllListeners, removeListener, setFiresEvents

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

keyNav

protected KeyNav<TreePanelEvent<M extends ModelData>> keyNav

tree

protected TreePanel tree

treeStore

protected TreeStore<M extends ModelData> treeStore

Constructor Detail

TreePanelSelectionModel

public TreePanelSelectionModel()

Method Detail

bindTree

public void bindTree(TreePanel tree)

deselect

public void deselect(int index)

Description copied from interface: StoreSelectionModel

Deselects the item at the given index.

Specified by:

deselect in interface StoreSelectionModel<M extends ModelData>

Overrides:

deselect in class AbstractStoreSelectionModel<M extends ModelData>

Parameters:

index - the index of the item to be deselected

deselect

public void deselect(int start,
                     int end)

Description copied from interface: StoreSelectionModel

Deselects the range.

Specified by:

deselect in interface StoreSelectionModel<M extends ModelData>

Overrides:

deselect in class AbstractStoreSelectionModel<M extends ModelData>

Parameters:

start - the start index

end - the end index

handleEvent

public void handleEvent(TreePanelEvent tpe)

Description copied from interface: Listener

Sent when an event that the listener has registered for occurs.

Specified by:

handleEvent in interface Listener<TreePanelEvent>

Parameters:

tpe - the event which occurred

isSelected

public boolean isSelected(M item)

Description copied from interface: StoreSelectionModel

Returns true if the item is selected.

Specified by:

isSelected in interface StoreSelectionModel<M extends ModelData>

Overrides:

isSelected in class AbstractStoreSelectionModel<M extends ModelData>

Parameters:

item - the item

Returns:

true if selected

select

public void select(int start,
                   int end,
                   boolean keepExisting)

Description copied from interface: StoreSelectionModel

Selects the range.

Specified by:

select in interface StoreSelectionModel<M extends ModelData>

Overrides:

select in class AbstractStoreSelectionModel<M extends ModelData>

Parameters:

start - the start index

end - the end index

keepExisting - true to keep existing selected

selectNext

public void selectNext()

Selects the item below the selected item in the tree, intelligently walking the nodes.

selectPrevious

public void selectPrevious()

Selects the item above the selected item in the tree, intelligently walking the nodes.

next

protected M next()

onKeyDown

protected void onKeyDown(TreePanelEvent<M> e)

onKeyLeft

protected void onKeyLeft(TreePanelEvent<M> ce)

onKeyRight

protected void onKeyRight(TreePanelEvent<M> ce)

onKeyUp

protected void onKeyUp(TreePanelEvent<M> e)

onMouseClick

protected void onMouseClick(TreePanelEvent e)

onMouseDown

protected void onMouseDown(TreePanelEvent be)

onSelectChange

protected void onSelectChange(M model,
                              boolean select)

Specified by:

onSelectChange in class AbstractStoreSelectionModel<M extends ModelData>

prev

protected M prev()