com.sencha.gxt.widget.core.client.tree

Class TreeSelectionModel<M>

java.lang.Object

com.sencha.gxt.widget.core.client.selection.AbstractStoreSelectionModel<M>

com.sencha.gxt.widget.core.client.tree.TreeSelectionModel<M>

Type Parameters:

M - the model type

All Implemented Interfaces:

SelectionChangedEvent.HasSelectionChangedHandlers<M>, StoreSelectionModel<M>

public class TreeSelectionModel<M>
extends AbstractStoreSelectionModel<M>

Tree selection model.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	TreeSelectionModel.Handler

Field Summary

Fields

Modifier and Type	Field and Description
protected TreeSelectionModel.Handler	handler
protected GroupingHandlerRegistration	handlerRegistration
protected KeyNav	keyNav
protected Tree.TreeNode<M>	mouseDownNode When the mouse goes down on a node this is what was recored.
protected Tree<M,?>	tree
protected TreeStore<M>	treeStore

Fields inherited from class com.sencha.gxt.widget.core.client.selection.AbstractStoreSelectionModel

fireSelectionChangeOnClick, handlerManager, lastFocused, lastSelected, locked, mouseDown, processSelectOnMouseUp, selected, selectionMode, store

Constructor Summary

Constructors

Constructor and Description
TreeSelectionModel()

Method Summary

Modifier and Type	Method and Description
void	bindTree(Tree<M,?> tree)
void	deselect(int index) Deselects the item at the given index.
void	deselect(int start, int end) Deselects the range.
Tree<M,?>	getTree() Returns the currently bound tree.
boolean	isSelected(M item) Returns true if the item is selected.
protected M	next()
protected void	onKeyDown(NativeEvent e)
protected void	onKeyLeft(NativeEvent ce)
protected void	onKeyRight(NativeEvent ce)
protected void	onKeyUp(NativeEvent e)
protected void	onMouseClick(ClickEvent clickEvent)
protected void	onMouseClick(NativeEvent event)
protected void	onMouseDown(MouseDownEvent event)
protected void	onMouseDown(NativeEvent event) On mouse down
protected void	onMouseUp(MouseUpEvent event)
protected void	onMouseUp(NativeEvent event) On mouse up.
protected void	onRightClick(NativeEvent event, Tree.TreeNode<M> selectedNode, M selectedModel)
protected void	onSelect(NativeEvent nativeEvent) On select.
protected void	onSelectChange(M model, boolean select)
protected void	onTap(TouchData touchData)
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.sencha.gxt.widget.core.client.selection.AbstractStoreSelectionModel

addBeforeSelectionHandler, addSelectionChangedHandler, addSelectionHandler, bind, deselect, deselect, deselect, deselectAll, doDeselect, doMultiSelect, doSelect, doSingleSelect, ensureHandlers, fireEvent, fireSelectionChange, getLastFocused, getSelectedItem, getSelectedItems, getSelection, getSelectionMode, isLocked, onAdd, onClear, onLastFocusChanged, onRecordChange, onRemove, onUpdate, refresh, select, select, select, select, selectAll, setLastFocused, setLocked, setProcessSelectOnMouseUp, setSelection, setSelectionMode

Methods inherited from class java.lang.Object

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

Field Detail

keyNav

protected KeyNav keyNav

tree

protected Tree<M,?> tree

treeStore

protected TreeStore<M> treeStore

mouseDownNode

protected Tree.TreeNode<M> mouseDownNode

When the mouse goes down on a node this is what was recored. This will be used to compare to what the mouse goes up on.

handler

protected TreeSelectionModel.Handler handler

handlerRegistration

protected GroupingHandlerRegistration handlerRegistration

Constructor Detail

TreeSelectionModel

public TreeSelectionModel()

Method Detail

bindTree

public void bindTree(Tree<M,?> 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>

Overrides:

deselect in class AbstractStoreSelectionModel<M>

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>

Overrides:

deselect in class AbstractStoreSelectionModel<M>

Parameters:

start - the start index

end - the end index

getTree

public Tree<M,?> getTree()

Returns the currently bound tree.

Returns:

the tree

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>

Overrides:

isSelected in class AbstractStoreSelectionModel<M>

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>

Overrides:

select in class AbstractStoreSelectionModel<M>

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(NativeEvent e)

onKeyLeft

protected void onKeyLeft(NativeEvent ce)

onKeyRight

protected void onKeyRight(NativeEvent ce)

onKeyUp

protected void onKeyUp(NativeEvent e)

onMouseClick

protected void onMouseClick(ClickEvent clickEvent)

onMouseClick

protected void onMouseClick(NativeEvent event)

onMouseUp

protected void onMouseUp(MouseUpEvent event)

onMouseUp

protected void onMouseUp(NativeEvent event)

On mouse up.

Parameters:

event - the native event.

Since:

4.0.3

onMouseDown

protected void onMouseDown(MouseDownEvent event)

onMouseDown

protected void onMouseDown(NativeEvent event)

On mouse down

Parameters:

event - the native event.

onTap

protected void onTap(TouchData touchData)

Since:

4.0.3

onSelect

protected void onSelect(NativeEvent nativeEvent)

On select.

Parameters:

nativeEvent - the event.

Since:

4.0.3

onRightClick

protected void onRightClick(NativeEvent event,
                            Tree.TreeNode<M> selectedNode,
                            M selectedModel)

Since:

4.0.3

onSelectChange

protected void onSelectChange(M model,
                              boolean select)

Specified by:

onSelectChange in class AbstractStoreSelectionModel<M>

prev

protected M prev()