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package org.wicketstuff.egrid.component;
import java.util.List;
import org.apache.wicket.AttributeModifier;
import org.apache.wicket.Component;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.behavior.Behavior;
import org.apache.wicket.event.IEvent;
import org.apache.wicket.extensions.markup.html.repeater.data.grid.DataGridView;
import org.apache.wicket.extensions.markup.html.repeater.data.grid.ICellPopulator;
import org.apache.wicket.extensions.markup.html.repeater.data.table.AbstractToolbar;
import org.apache.wicket.extensions.markup.html.repeater.data.table.IColumn;
import org.apache.wicket.extensions.markup.html.repeater.data.table.IStyledColumn;
import org.apache.wicket.markup.ComponentTag;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.navigation.paging.IPageableItems;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.markup.repeater.IItemReuseStrategy;
import org.apache.wicket.markup.repeater.Item;
import org.apache.wicket.markup.repeater.RefreshingView;
import org.apache.wicket.markup.repeater.RepeatingView;
import org.apache.wicket.model.IModel;
import org.apache.wicket.util.lang.Args;
import org.apache.wicket.util.string.Strings;
import org.apache.wicket.util.visit.IVisit;
import org.apache.wicket.util.visit.IVisitor;
import org.wicketstuff.egrid.column.EditableGridActionsPanel;
import org.wicketstuff.egrid.column.IColumnProvider;
import org.wicketstuff.egrid.model.GridOperationData;
import org.wicketstuff.egrid.model.OperationType;
import org.wicketstuff.egrid.provider.IEditableDataProvider;
import org.wicketstuff.egrid.toolbar.AbstractEditableGridToolbar;
import org.wicketstuff.egrid.component.EditableDataTable;
/**
*
* Copied from org.apache.wicket.extensions.markup.html.repeater.data.table.DataTable
*
*
* @author Nadeem
*
* @param
* The model object type
* @param
* the type of the sorting parameter
*/
public class EditableDataTable extends Panel implements IPageableItems, IColumnProvider
{
private static final long serialVersionUID = 1L;
private final EditableDataGridView datagrid;
private final WebMarkupContainer body;
private final List> columns;
private final ToolbarsContainer topToolbars;
private final ToolbarsContainer bottomToolbars;
private final Caption caption;
/**
* Constructor
*
* @param id
* component id
* @param newColumns
* list of IColumn objects
* @param dataProvider
* imodel for data provider
* @param rowsPerPage
* number of rows per page
*/
public EditableDataTable(final String id, final List> newColumns,
final IEditableDataProvider dataProvider, final long rowsPerPage, Class clazz)
{
super(id);
Args.notEmpty(newColumns, "columns");
this.columns = newColumns;
this.caption = new Caption("caption", getCaptionModel());
this.body = newBodyContainer("body");
this.datagrid = newDataGrid(newColumns, dataProvider, rowsPerPage);
this.topToolbars = new ToolbarsContainer("topToolbars");
this.bottomToolbars = new ToolbarsContainer("bottomToolbars");
this.body.add(datagrid);
add(this.caption);
add(this.body);
add(this.topToolbars);
add(this.bottomToolbars);
init(clazz);
}
private void init(Class clazz)
{
this.setOutputMarkupId(true);
}
private EditableDataGridView newDataGrid(final List> columns,
final IEditableDataProvider dataProvider, final long rowsPerPage)
{
EditableDataGridView datagrid = new EditableDataGridView("rows", columns,
dataProvider);
datagrid.setItemsPerPage(rowsPerPage);
return datagrid;
}
/**
* Returns the model for table's caption. The caption wont be rendered if the model has empty
* value.
*
* @return the model for table's caption
*/
protected IModel getCaptionModel()
{
return null;
}
/**
* Create the MarkupContainer for the tag. Users may subclass it to provide their own
* (modified) implementation.
*
* @param id
* @return A new markup container
*/
protected WebMarkupContainer newBodyContainer(final String id)
{
return new WebMarkupContainer(id);
}
/**
* Set the 'class' attribute for the tbody tag.
*
* @param cssStyle
*/
public final void setTableBodyCss(final String cssStyle)
{
body.add(AttributeModifier.replace("class", cssStyle));
}
/**
* Adds a toolbar to the datatable that will be displayed after the data
*
* @param toolbar
* toolbar to be added
*
* @see AbstractToolbar
*/
public void addBottomToolbar(final AbstractEditableGridToolbar toolbar)
{
addToolbar(toolbar, bottomToolbars);
}
/**
* Adds a toolbar to the datatable that will be displayed before the data
*
* @param toolbar
* toolbar to be added
*
* @see AbstractToolbar
*/
public void addTopToolbar(final AbstractEditableGridToolbar toolbar)
{
addToolbar(toolbar, topToolbars);
}
/**
* @return the container with the toolbars at the top
*/
public final ToolbarsContainer getTopToolbars()
{
return topToolbars;
}
/**
* @return the container with the toolbars at the bottom
*/
public final ToolbarsContainer getBottomToolbars()
{
return bottomToolbars;
}
/**
* @return the container used for the table body
*/
public final WebMarkupContainer getBody()
{
return body;
}
/**
* @return the component used for the table caption
*/
public final Caption getCaption()
{
return caption;
}
/**
* @return dataprovider
*/
@SuppressWarnings("unchecked")
public final IEditableDataProvider getDataProvider()
{
return (IEditableDataProvider)datagrid.getDataProvider();
}
/**
* @return array of column objects this table displays
*/
@Override
public final List> getColumns()
{
return columns;
}
/**
* @see org.apache.wicket.markup.html.navigation.paging.IPageable#getCurrentPage()
*/
@Override
public final long getCurrentPage()
{
return datagrid.getCurrentPage();
}
/**
* @see org.apache.wicket.markup.html.navigation.paging.IPageable#getPageCount()
*/
@Override
public final long getPageCount()
{
return datagrid.getPageCount();
}
/**
* @return total number of rows in this table
*/
public final long getRowCount()
{
return datagrid.getRowCount();
}
/**
* @return number of rows per page
*/
@Override
public final long getItemsPerPage()
{
return datagrid.getItemsPerPage();
}
/**
* @see org.apache.wicket.markup.html.navigation.paging.IPageable#setCurrentPage(long)
*/
@Override
public final void setCurrentPage(final long page)
{
datagrid.setCurrentPage(page);
onPageChanged();
}
/**
* Sets the item reuse strategy. This strategy controls the creation of {@link Item}s.
*
* @see RefreshingView#setItemReuseStrategy(IItemReuseStrategy)
* @see IItemReuseStrategy
*
* @param strategy
* item reuse strategy
* @return this for chaining
*/
public final EditableDataTable setItemReuseStrategy(final IItemReuseStrategy strategy)
{
datagrid.setItemReuseStrategy(strategy);
return this;
}
/**
* Sets the number of items to be displayed per page
*
* @param items
* number of items to display per page
*
*/
@Override
public void setItemsPerPage(final long items)
{
datagrid.setItemsPerPage(items);
}
/**
* @see org.apache.wicket.markup.html.navigation.paging.IPageableItems#getItemCount()
*/
@Override
public long getItemCount()
{
return datagrid.getItemCount();
}
private void addToolbar(final AbstractEditableGridToolbar toolbar,
final ToolbarsContainer container)
{
Args.notNull(toolbar, "toolbar");
container.getRepeatingView().add(toolbar);
}
/**
* Factory method for Item container that represents a cell in the underlying DataGridView
*
* @see Item
*
* @param id
* component id for the new data item
* @param index
* the index of the new data item
* @param model
* the model for the new data item
*
* @return DataItem created DataItem
*/
protected Item> newCellItem(final String id, final int index,
final IModel> model)
{
return new Item>(id, index, model);
}
protected Item newRowItem(String id, int index, IModel model)
{
return new RowItem(id, index, model);
}
/**
* @see org.apache.wicket.Component#onDetach()
*/
@Override
protected void onDetach()
{
super.onDetach();
for (IColumn column : columns)
{
column.detach();
}
}
/**
* Event listener for page-changed event
*/
protected void onPageChanged()
{
// noop
}
/**
* This class acts as a repeater that will contain the toolbar. It makes sure that the table row
* group (e.g. thead) tags are only visible when they contain rows in accordance with the HTML
* specification.
*
* @author igor.vaynberg
*/
private static class ToolbarsContainer extends WebMarkupContainer
{
private static final long serialVersionUID = 1L;
private final RepeatingView toolbars;
/**
* Constructor
*
* @param id
*/
private ToolbarsContainer(final String id)
{
super(id);
toolbars = new RepeatingView("toolbars");
add(toolbars);
}
public RepeatingView getRepeatingView()
{
return toolbars;
}
@Override
public void onConfigure()
{
super.onConfigure();
toolbars.configure();
Boolean visible = toolbars.visitChildren(new IVisitor()
{
@Override
public void component(Component object, IVisit visit)
{
object.configure();
if (object.isVisible())
{
visit.stop(Boolean.TRUE);
}
else
{
visit.dontGoDeeper();
}
}
});
if (visible == null)
{
visible = false;
}
setVisible(visible);
}
}
/**
* A caption for the table. It renders itself only if
* {@link EditableDataTable#getCaptionModel()} has non-empty value.
*/
private static class Caption extends Label
{
/**
*/
private static final long serialVersionUID = 1L;
/**
* Construct.
*
* @param id
* the component id
* @param model
* the caption model
*/
public Caption(String id, IModel model)
{
super(id, model);
}
@Override
protected void onConfigure()
{
setRenderBodyOnly(Strings.isEmpty(getDefaultModelObjectAsString()));
super.onConfigure();
}
@Override
protected IModel initModel()
{
// don't try to find the model in the parent
return null;
}
}
private class EditableDataGridView extends DataGridView
implements
IItemRefreashable
{
private static final long serialVersionUID = 1L;
public EditableDataGridView(String id, List> populators,
IEditableDataProvider dataProvider)
{
super(id, populators, dataProvider);
}
@SuppressWarnings({ "rawtypes", "unchecked" })
@Override
protected Item newCellItem(final String id, final int index, final IModel model)
{
Item item = EditableDataTable.this.newCellItem(id, index, model);
final IColumn column = (IColumn)EditableDataTable.this.columns.get(index);
if (column instanceof IStyledColumn)
{
item.add(new CssAttributeBehavior()
{
private static final long serialVersionUID = 1L;
@Override
protected String getCssClass()
{
return ((IStyledColumn)column).getCssClass();
}
});
}
return item;
}
@Override
protected Item newRowItem(String id, int index, IModel model)
{
return new RowItem(id, index, model);
}
@Override
public void refreash(Item rowItem)
{
rowItem.removeAll();
populateItem(rowItem);
}
}
@Override
public void onEvent(IEvent event)
{
if (event.getPayload() instanceof Item)
{
@SuppressWarnings("unchecked")
Item rowItem = ((Item)event.getPayload());
if (rowItem.findParent(EditableDataTable.class).equals(this)) {
this.datagrid.refreash(rowItem);
event.stop();
}
}
else if (event.getPayload() instanceof GridOperationData)
{
@SuppressWarnings("unchecked")
GridOperationData gridOperationData = (GridOperationData)event.getPayload();
if (null != gridOperationData &&
OperationType.DELETE.equals(gridOperationData.getOperationType()) &&
this.equals(gridOperationData.getTarget()))
{
getDataProvider().remove(gridOperationData.getData());
event.stop();
}
}
}
public static class RowItem extends Item
{
private static final long serialVersionUID = 1L;
public RowItem(final String id, int index, final IModel model)
{
super(id, index, model);
this.setOutputMarkupId(true);
this.setMetaData(EditableGridActionsPanel.EDITING, Boolean.FALSE);
}
}
public static abstract class CssAttributeBehavior extends Behavior
{
private static final long serialVersionUID = 1L;
protected abstract String getCssClass();
/**
* @see Behavior#onComponentTag(Component, ComponentTag)
*/
@Override
public void onComponentTag(final Component component, final ComponentTag tag)
{
String className = getCssClass();
if (!Strings.isEmpty(className))
{
tag.append("class", className, " ");
}
}
}
protected void onError(AjaxRequestTarget target)
{
}
}
