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com.google.gwt.user.cellview.client
Class CellTreeNodeView.NodeCellList<C>

java.lang.Object
  extended by com.google.gwt.user.cellview.client.CellTreeNodeView.NodeCellList<C>
Type Parameters:
C - the child item type
All Implemented Interfaces:
HasHandlers, HasCellPreviewHandlers<C>, HasData<C>, HasRows
Enclosing class:
CellTreeNodeView<T>
static class CellTreeNodeView.NodeCellList<C>
extends java.lang.Object
implements HasData<C>

The HasData used to show children. This class is intentionally static because we might move it to a new CellTreeNodeView, and we don't want non-static references to the old CellTreeNodeView.

Field Summary
(package private)  HasDataPresenter<C> presenter
           
 
Constructor Summary
CellTreeNodeView.NodeCellList(TreeViewModel.NodeInfo<C> nodeInfo, CellTreeNodeView<?> nodeView, int pageSize)
           
 
Method Summary
 HandlerRegistration addCellPreviewHandler(CellPreviewEvent.Handler<C> handler)
          Adds a CellPreviewEvent handler.
 HandlerRegistration addRangeChangeHandler(RangeChangeEvent.Handler handler)
          Add a RangeChangeEvent.Handler.
 HandlerRegistration addRowCountChangeHandler(RowCountChangeEvent.Handler handler)
          Add a RowCountChangeEvent.Handler.
 void cleanup()
          Cleanup this node view.
 void fireEvent(GwtEvent<?> event)
          Fires the given event to the handlers listening to the event's type.
 int getDefaultPageSize()
           
 int getRowCount()
          Get the total count of all rows.
 SelectionModel<? super C> getSelectionModel()
          Get the SelectionModel used by this HasData.
 C getVisibleItem(int indexOnPage)
          Get the row value at the specified visible index.
 int getVisibleItemCount()
          Get the number of visible items being displayed.
 java.util.List<C> getVisibleItems()
          Get an Iterable composed of all of the visible items.
 Range getVisibleRange()
          Get the range of visible rows.
 boolean isRowCountExact()
          Check if the total row count is exact, or an estimate.
 void setRowCount(int count)
          Set the exact total count of all rows.
 void setRowCount(int size, boolean isExact)
          Set the total count of all rows, specifying whether the count is exact or an estimate.
 void setRowData(int start, java.util.List<? extends C> values)
           Set a values associated with the rows in the visible range.
 void setSelectionModel(SelectionModel<? super C> selectionModel)
          Set the SelectionModel used by this HasData.
 void setVisibleRange(int start, int length)
          Set the visible range or rows.
 void setVisibleRange(Range range)
          Set the visible range or rows.
 void setVisibleRangeAndClearData(Range range, boolean forceRangeChangeEvent)
           Set the visible range and clear the current visible data.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

presenter

final HasDataPresenter<C> presenter
Constructor Detail

CellTreeNodeView.NodeCellList

public CellTreeNodeView.NodeCellList(TreeViewModel.NodeInfo<C> nodeInfo,
                                     CellTreeNodeView<?> nodeView,
                                     int pageSize)
Method Detail

addCellPreviewHandler

public HandlerRegistration addCellPreviewHandler(CellPreviewEvent.Handler<C> handler)
Description copied from interface: HasCellPreviewHandlers
Adds a CellPreviewEvent handler.

Specified by:
addCellPreviewHandler in interface HasCellPreviewHandlers<C>
Parameters:
handler - the handler
Returns:
the registration for the event

addRangeChangeHandler

public HandlerRegistration addRangeChangeHandler(RangeChangeEvent.Handler handler)
Description copied from interface: HasRows
Add a RangeChangeEvent.Handler.

Specified by:
addRangeChangeHandler in interface HasRows
Parameters:
handler - the handler
Returns:
a HandlerRegistration to remove the handler

addRowCountChangeHandler

public HandlerRegistration addRowCountChangeHandler(RowCountChangeEvent.Handler handler)
Description copied from interface: HasRows
Add a RowCountChangeEvent.Handler.

Specified by:
addRowCountChangeHandler in interface HasRows
Parameters:
handler - the handler
Returns:
a HandlerRegistration to remove the handler

cleanup

public void cleanup()
Cleanup this node view.

fireEvent

public void fireEvent(GwtEvent<?> event)
Description copied from interface: HasHandlers
Fires the given event to the handlers listening to the event's type.

Any exceptions thrown by handlers will be bundled into a UmbrellaException and then re-thrown after all handlers have completed. An exception thrown by a handler will not prevent other handlers from executing.

Specified by:
fireEvent in interface HasHandlers
Parameters:
event - the event

getDefaultPageSize

public int getDefaultPageSize()

getRowCount

public int getRowCount()
Description copied from interface: HasRows
Get the total count of all rows.

Specified by:
getRowCount in interface HasRows
Returns:
the total row count
See Also:
HasRows.setRowCount(int)

getSelectionModel

public SelectionModel<? super C> getSelectionModel()
Description copied from interface: HasData
Get the SelectionModel used by this HasData.

Specified by:
getSelectionModel in interface HasData<C>
Returns:
the SelectionModel
See Also:
HasData.setSelectionModel(SelectionModel)

getVisibleItem

public C getVisibleItem(int indexOnPage)
Description copied from interface: HasData
Get the row value at the specified visible index. Index 0 corresponds to the first item on the page.

Specified by:
getVisibleItem in interface HasData<C>
Parameters:
indexOnPage - the index on the page
Returns:
the row value

getVisibleItemCount

public int getVisibleItemCount()
Description copied from interface: HasData
Get the number of visible items being displayed. Note that this value might be less than the page size if there is not enough data to fill the page.

Specified by:
getVisibleItemCount in interface HasData<C>
Returns:
the number of visible items on the page

getVisibleItems

public java.util.List<C> getVisibleItems()
Description copied from interface: HasData
Get an Iterable composed of all of the visible items.

Specified by:
getVisibleItems in interface HasData<C>
Returns:
an Iterable instance

getVisibleRange

public Range getVisibleRange()
Description copied from interface: HasRows
Get the range of visible rows.

Specified by:
getVisibleRange in interface HasRows
Returns:
the visible range
See Also:
HasRows.setVisibleRange(Range), HasRows.setVisibleRange(int, int)

isRowCountExact

public boolean isRowCountExact()
Description copied from interface: HasRows
Check if the total row count is exact, or an estimate.

Specified by:
isRowCountExact in interface HasRows
Returns:
true if exact, false if an estimate

setRowCount

public final void setRowCount(int count)
Description copied from interface: HasRows
Set the exact total count of all rows. This method defers to HasRows.setRowCount(int, boolean).

Specified by:
setRowCount in interface HasRows
Parameters:
count - the exact total count
See Also:
HasRows.getRowCount()

setRowCount

public void setRowCount(int size,
                        boolean isExact)
Description copied from interface: HasRows
Set the total count of all rows, specifying whether the count is exact or an estimate.

Specified by:
setRowCount in interface HasRows
Parameters:
size - the total count
isExact - true if the count is exact, false if an estimate
See Also:
HasRows.getRowCount()

setRowData

public void setRowData(int start,
                       java.util.List<? extends C> values)
Description copied from interface: HasData

Set a values associated with the rows in the visible range.

This method does not replace all rows in the display; it replaces the row values starting at the specified start index through the length of the specified values. You must call HasRows.setRowCount(int) to set the total number of rows in the display. You should also use HasRows.setRowCount(int) to remove rows when the total number of rows decreases.

Specified by:
setRowData in interface HasData<C>
Parameters:
start - the start index of the data
values - the values within the range

setSelectionModel

public void setSelectionModel(SelectionModel<? super C> selectionModel)
Description copied from interface: HasData
Set the SelectionModel used by this HasData.

Specified by:
setSelectionModel in interface HasData<C>
Parameters:
selectionModel - the SelectionModel
See Also:
HasData.getSelectionModel()

setVisibleRange

public final void setVisibleRange(int start,
                                  int length)
Description copied from interface: HasRows
Set the visible range or rows. This method defers to HasRows.setVisibleRange(Range).

Specified by:
setVisibleRange in interface HasRows
Parameters:
start - the start index
length - the length
See Also:
HasRows.getVisibleRange()

setVisibleRange

public void setVisibleRange(Range range)
Description copied from interface: HasRows
Set the visible range or rows.

Specified by:
setVisibleRange in interface HasRows
Parameters:
range - the visible range
See Also:
HasRows.getVisibleRange()

setVisibleRangeAndClearData

public void setVisibleRangeAndClearData(Range range,
                                        boolean forceRangeChangeEvent)
Description copied from interface: HasData

Set the visible range and clear the current visible data.

If the second argument forceRangeChangeEvent is true, a RangeChangeEvent will be fired even if the range does not change. If false, a RangeChangeEvent will only be fired if the range changes.

Specified by:
setVisibleRangeAndClearData in interface HasData<C>
Parameters:
range - the new Range
forceRangeChangeEvent - true to fire a RangeChangeEvent even if the Range doesn't change
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