| // Copyright 2004, 2005 The Apache Software Foundation |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package org.apache.tapestry.contrib.table.components; |
| |
| import org.apache.tapestry.BaseComponent; |
| import org.apache.tapestry.IForm; |
| import org.apache.tapestry.TapestryUtils; |
| import org.apache.tapestry.contrib.table.model.ITableAction; |
| import org.apache.tapestry.contrib.table.model.ITableColumn; |
| import org.apache.tapestry.contrib.table.model.ITableModel; |
| import org.apache.tapestry.contrib.table.model.ITableModelSource; |
| |
| /** |
| * The facade component in the Table family. Table allows you to present a |
| * sortable and pagable table simply and easily by using only this one |
| * component. Please see the Component Reference for details on how to use this |
| * component. [ <a |
| * href="../../../../../../../ComponentReference/contrib.Table.html">Component |
| * Reference </a>] |
| * |
| * @author mindbridge |
| */ |
| public abstract class Table extends BaseComponent implements ITableModelSource |
| { |
| |
| public abstract boolean getVolatile(); |
| |
| /** |
| * @see org.apache.tapestry.contrib.table.model.ITableModelSource#getTableModel() |
| */ |
| public ITableModel getTableModel() |
| { |
| return getTableViewComponent().getTableModel(); |
| } |
| |
| /** |
| * Indicates that the table model has changed and it may need to saved. This |
| * method has to be invoked if modifications are made to the model. |
| * |
| * @see org.apache.tapestry.contrib.table.model.ITableModelSource#fireObservedStateChange() |
| */ |
| public void fireObservedStateChange() |
| { |
| getTableViewComponent().fireObservedStateChange(); |
| } |
| |
| /** |
| * Resets the state of the component and forces it to load a new TableModel |
| * from the tableModel binding the next time it renders. |
| */ |
| public void reset() |
| { |
| getTableViewComponent().reset(); |
| } |
| |
| /** |
| * Returns the currently rendered table column. You can call this method to |
| * obtain the current column. |
| * |
| * @return ITableColumn the current table column |
| */ |
| public ITableColumn getTableColumn() |
| { |
| Object objCurrentRow = getTableRow(); |
| |
| // if the current row is null, then we are most likely rendering |
| // TableColumns |
| if (objCurrentRow == null) |
| return getTableColumnsComponent().getTableColumn(); |
| |
| return getTableValuesComponent().getTableColumn(); |
| } |
| |
| /** |
| * Returns the currently rendered table row or null if the rows are not |
| * rendered at the moment. You can call this method to obtain the current |
| * row. |
| * |
| * @return Object the current table row |
| */ |
| public Object getTableRow() |
| { |
| return getTableRowsComponent().getTableRow(); |
| } |
| |
| protected TableView getTableViewComponent() |
| { |
| return (TableView) getComponent("tableView"); |
| } |
| |
| protected TableColumns getTableColumnsComponent() |
| { |
| return (TableColumns) getComponent("tableColumns"); |
| } |
| |
| protected TableRows getTableRowsComponent() |
| { |
| return (TableRows) getComponent("tableRows"); |
| } |
| |
| protected TableValues getTableValuesComponent() |
| { |
| return (TableValues) getComponent("tableValues"); |
| } |
| |
| public boolean getShowNormalPages() |
| { |
| if (getVolatile()) return true; |
| |
| IForm form = (IForm) getPage().getRequestCycle().getAttribute( |
| TapestryUtils.FORM_ATTRIBUTE); |
| return (form == null); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.apache.tapestry.contrib.table.model.ITableModelSource#storeTableAction(org.apache.tapestry.contrib.table.model.ITableAction) |
| */ |
| public void storeTableAction(ITableAction action) |
| { |
| getTableViewComponent().storeTableAction(action); |
| } |
| } |