com.vaadin.terminal.gwt.client.ui.table
Class VScrollTable.VScrollTableBody

java.lang.Object
  com.google.gwt.user.client.ui.UIObject
      com.google.gwt.user.client.ui.Widget
          com.google.gwt.user.client.ui.Panel
              com.vaadin.terminal.gwt.client.ui.table.VScrollTable.VScrollTableBody

All Implemented Interfaces:

com.google.gwt.event.logical.shared.HasAttachHandlers, com.google.gwt.event.shared.HasHandlers, com.google.gwt.user.client.EventListener, com.google.gwt.user.client.ui.HasVisibility, com.google.gwt.user.client.ui.HasWidgets, com.google.gwt.user.client.ui.HasWidgets.ForIsWidget, com.google.gwt.user.client.ui.IsWidget, Iterable<com.google.gwt.user.client.ui.Widget>

Enclosing class:

VScrollTable

public class VScrollTable.VScrollTableBody
extends com.google.gwt.user.client.ui.Panel

This Panel can only contain VScrollTableRow type of widgets. This "simulates" very large table, keeping spacers which take room of unrendered rows.

Nested Class Summary

protected class	VScrollTable.VScrollTableBody.VScrollTableGeneratedRow
class	VScrollTable.VScrollTableBody.VScrollTableRow

Nested classes/interfaces inherited from class com.google.gwt.user.client.ui.UIObject

com.google.gwt.user.client.ui.UIObject.DebugIdImpl, com.google.gwt.user.client.ui.UIObject.DebugIdImplEnabled

Nested classes/interfaces inherited from interface com.google.gwt.user.client.ui.HasWidgets

com.google.gwt.user.client.ui.HasWidgets.ForIsWidget

Field Summary

static int

DEFAULT_ROW_HEIGHT

Fields inherited from class com.google.gwt.user.client.ui.UIObject

DEBUG_ID_PREFIX

Constructor Summary

protected

VScrollTable.VScrollTableBody()

Method Summary

protected VScrollTable.VScrollTableBody.VScrollTableRow	createRow(UIDL uidl, char[] aligns2)
protected void	ensureCacheFilled() Ensure we have the correct set of rows on client side, e.g.
protected void	ensureFocus() Ensure the component has a focus.
int	getAvailableWidth()
int	getColWidth(int columnIndex) Returns the width available for column content.
int	getFirstRendered()
int	getLastRendered()
int	getRequiredHeight()
VScrollTable.VScrollTableBody.VScrollTableRow	getRowByRowIndex(int indexInTable)
double	getRowHeight()
double	getRowHeight(boolean forceUpdate)
int	getTableHeight()
protected List<VScrollTable.VScrollTableBody.VScrollTableRow>	insertAndReindexRows(UIDL rowData, int firstIndex, int rows)
protected List<VScrollTable.VScrollTableBody.VScrollTableRow>	insertRows(UIDL rowData, int firstIndex, int rows) Inserts rows as provided in the rowData starting at firstIndex.
protected void	insertRowsDeleteBelow(UIDL rowData, int firstIndex, int rows)
Iterator<com.google.gwt.user.client.ui.Widget>	iterator()
void	moveCol(int oldIndex, int newIndex)
boolean	remove(com.google.gwt.user.client.ui.Widget w)
void	renderInitialRows(UIDL rowData, int firstIndex, int rows)
void	renderRows(UIDL rowData, int firstIndex, int rows)
void	setColWidth(int colIndex, int w) Sets the content width of a column.
protected void	unlinkAllRowsStartingAt(int index)
protected void	unlinkAndReindexRows(int firstIndex, int count)
protected boolean	unlinkRow(boolean fromBeginning)
protected void	unlinkRows(int firstIndex, int count)

Methods inherited from class com.google.gwt.user.client.ui.Panel

add, add, adopt, adopt, clear, disown, doAttachChildren, doDetachChildren, orphan, remove

Methods inherited from class com.google.gwt.user.client.ui.Widget

addAttachHandler, addBitlessDomHandler, addDomHandler, addHandler, asWidget, asWidgetOrNull, createHandlerManager, delegateEvent, fireEvent, getHandlerCount, getLayoutData, getParent, isAttached, isOrWasAttached, onAttach, onBrowserEvent, onDetach, onLoad, onUnload, removeFromParent, setLayoutData, sinkEvents

Methods inherited from class com.google.gwt.user.client.ui.UIObject

addStyleDependentName, addStyleName, ensureDebugId, ensureDebugId, ensureDebugId, getAbsoluteLeft, getAbsoluteTop, getElement, getOffsetHeight, getOffsetWidth, getStyleElement, getStyleName, getStyleName, getStylePrimaryName, getStylePrimaryName, getTitle, isVisible, isVisible, onEnsureDebugId, removeStyleDependentName, removeStyleName, resolvePotentialElement, setElement, setElement, setHeight, setPixelSize, setSize, setStyleDependentName, setStyleName, setStyleName, setStyleName, setStyleName, setStylePrimaryName, setStylePrimaryName, setTitle, setVisible, setVisible, setWidth, sinkBitlessEvent, toString, unsinkEvents

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_ROW_HEIGHT

public static final int DEFAULT_ROW_HEIGHT

See Also:

Constant Field Values

Constructor Detail

VScrollTable.VScrollTableBody

protected VScrollTable.VScrollTableBody()

Method Detail

getRowByRowIndex

public VScrollTable.VScrollTableBody.VScrollTableRow getRowByRowIndex(int indexInTable)

getRequiredHeight

public int getRequiredHeight()

Returns:

the height of scrollable body, subpixels ceiled.

getAvailableWidth

public int getAvailableWidth()

renderInitialRows

public void renderInitialRows(UIDL rowData,
                              int firstIndex,
                              int rows)

renderRows

public void renderRows(UIDL rowData,
                       int firstIndex,
                       int rows)

ensureCacheFilled

protected void ensureCacheFilled()

Ensure we have the correct set of rows on client side, e.g. if the content on the server side has changed, or the client scroll position has changed since the last request.

insertRows

protected List<VScrollTable.VScrollTableBody.VScrollTableRow> insertRows(UIDL rowData,
                                                                         int firstIndex,
                                                                         int rows)

Inserts rows as provided in the rowData starting at firstIndex.

Parameters:

rowData -

firstIndex -

rows - the number of rows

Returns:

a list of the rows added.

insertAndReindexRows

protected List<VScrollTable.VScrollTableBody.VScrollTableRow> insertAndReindexRows(UIDL rowData,
                                                                                   int firstIndex,
                                                                                   int rows)

insertRowsDeleteBelow

protected void insertRowsDeleteBelow(UIDL rowData,
                                     int firstIndex,
                                     int rows)

createRow

protected VScrollTable.VScrollTableBody.VScrollTableRow createRow(UIDL uidl,
                                                                  char[] aligns2)

iterator

public Iterator<com.google.gwt.user.client.ui.Widget> iterator()

unlinkRow

protected boolean unlinkRow(boolean fromBeginning)

Returns:

false if couldn't remove row

unlinkRows

protected void unlinkRows(int firstIndex,
                          int count)

unlinkAndReindexRows

protected void unlinkAndReindexRows(int firstIndex,
                                    int count)

unlinkAllRowsStartingAt

protected void unlinkAllRowsStartingAt(int index)

remove

public boolean remove(com.google.gwt.user.client.ui.Widget w)

Specified by:

remove in interface com.google.gwt.user.client.ui.HasWidgets

Specified by:

remove in class com.google.gwt.user.client.ui.Panel

getRowHeight

public double getRowHeight()

getRowHeight

public double getRowHeight(boolean forceUpdate)

getTableHeight

public int getTableHeight()

getColWidth

public int getColWidth(int columnIndex)

Returns the width available for column content.

Parameters:

columnIndex -

Returns:

setColWidth

public void setColWidth(int colIndex,
                        int w)

Sets the content width of a column. Due IE limitation, we must set the width to a wrapper elements inside table cells (with overflow hidden, which does not work on td elements). To get this work properly crossplatform, we will also set the width of td.

Parameters:

colIndex -

w -

getLastRendered

public int getLastRendered()

getFirstRendered

public int getFirstRendered()

moveCol

public void moveCol(int oldIndex,
                    int newIndex)

ensureFocus

protected void ensureFocus()

Ensure the component has a focus. TODO the current implementation simply always calls focus for the component. In case the Table at some point implements focus/blur listeners, this method needs to be evolved to conditionally call focus only if not currently focused.