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- development of TableComponentAsXlsHandler to export Wicket table
components to Xls files - added a link exemplifying the new handler in inmethod-grid and minis example project
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1
...-examples/src/main/java/com/inmethod/grid/examples/pages/datagrid/SimpleDataGridPage.html
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|---|---|---|
| @@ -1,4 +1,5 @@ | ||
| <wicket:extend> | ||
| <a wicket:id="exportToExcel">Export to Excel</a> | ||
| <div wicket:id="grid"> | ||
| </div> | ||
| </wicket:extend> |
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47 changes: 47 additions & 0 deletions
47
...mples/src/test/java/com/inmethod/grid/examples/pages/datagrid/SimpleDataGridPageTest.java
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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 com.inmethod.grid.examples.pages.datagrid; | ||
|
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| import java.io.IOException; | ||
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| import junit.framework.TestCase; | ||
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| import org.apache.wicket.util.tester.WicketTester; | ||
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| import com.inmethod.grid.examples.WicketApplication; | ||
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| /** | ||
| * @author Pedro Santos | ||
| */ | ||
| public class SimpleDataGridPageTest extends TestCase | ||
| { | ||
| public void testExportToExcel() throws IOException | ||
| { | ||
| WicketTester tester = new WicketTester(new WicketApplication()); | ||
| tester.startPage(SimpleDataGridPage.class); | ||
| tester.clickLink("exportToExcel"); | ||
| assertTrue(tester.getLastResponse().getHeader("Content-Disposition").contains(".xls")); | ||
| // File f = new File(System.getProperty("user.home") + "\\test.xls"); | ||
| // f.delete(); | ||
| // f.createNewFile(); | ||
| // FileOutputStream out = new FileOutputStream(f); | ||
| // out.write(tester.getLastResponse().getBinaryContent()); | ||
| // out.close(); | ||
| // Desktop d = Desktop.getDesktop(); | ||
| // d.open(f); | ||
| } | ||
| } |
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49 changes: 49 additions & 0 deletions
49
.../minis-parent/minis/src/main/java/org/wicketstuff/minis/component/excel/CellExporter.java
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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.wicketstuff.minis.component.excel; | ||
|
|
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| import java.text.ParseException; | ||
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| import org.apache.poi.ss.usermodel.Cell; | ||
| import org.apache.wicket.Component; | ||
| import org.apache.wicket.markup.parser.XmlPullParser; | ||
| import org.apache.wicket.markup.parser.XmlTag; | ||
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|
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| /** | ||
| * Function interface to access the component table data and set in the | ||
| * {@link Cell}. A general purpose one is provided, but it can be customized by | ||
| * setting {@link TableComponentAsXlsHandler#setCellExporter(CellExporter)} | ||
| * | ||
| * @author Pedro Santos | ||
| */ | ||
| public interface CellExporter | ||
| { | ||
| /** | ||
| * @param tag | ||
| * <td>HTML tag | ||
| * @param parser | ||
| * the {@link XmlPullParser} in use, can be useful to parse | ||
| * nested elements | ||
| * @param cell | ||
| * the target cell, where the value needs to be set | ||
| * @param tableComponent | ||
| * the table components being parsed | ||
| * @throws ParseException | ||
| */ | ||
| public void exportCell(XmlTag tag, XmlPullParser parser, Cell cell, Component tableComponent) | ||
| throws ParseException; | ||
| } |
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...ent/minis/src/main/java/org/wicketstuff/minis/component/excel/GeneralPurposeExporter.java
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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.wicketstuff.minis.component.excel; | ||
|
|
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| import java.text.ParseException; | ||
| import java.util.Calendar; | ||
| import java.util.Date; | ||
|
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| import org.apache.poi.ss.usermodel.Cell; | ||
| import org.apache.wicket.Component; | ||
| import org.apache.wicket.markup.parser.XmlPullParser; | ||
| import org.apache.wicket.markup.parser.XmlTag; | ||
|
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| /** | ||
| * Fist try to get the most nested component in the table data tag, if not | ||
| * possible set the most nested value in markup as a {@link String}. | ||
| * | ||
| * @author Pedro Santos | ||
| */ | ||
| public class GeneralPurposeExporter implements CellExporter | ||
| { | ||
|
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| public void exportCell(XmlTag tag, XmlPullParser parser, Cell cell, Component gridComponent) | ||
| throws ParseException | ||
| { | ||
| XmlTag firstMostNestedTag = tag; | ||
| // find the most inner tag value | ||
| while ((tag = parser.nextTag()).getName().equals("td") == false) | ||
| { | ||
| if (tag.isOpen() || tag.isOpenClose()) | ||
| { | ||
| firstMostNestedTag = tag; | ||
| } | ||
| else | ||
| { | ||
| break; | ||
| } | ||
| } | ||
| CharSequence possibleComponentReference = firstMostNestedTag | ||
| .getAttribute(TableComponentAsXlsHandler.OutputPathBehavior.PATH_ATTRIBUTE); | ||
| if (possibleComponentReference != null) | ||
| { | ||
| Component firstMostNestedComponent = gridComponent.getPage().get( | ||
| possibleComponentReference.toString()); | ||
| Object modelValue = firstMostNestedComponent.getDefaultModelObject(); | ||
| if (modelValue != null) | ||
| { | ||
| if (modelValue instanceof Number) | ||
| { | ||
| cell.setCellValue(((Number)modelValue).doubleValue()); | ||
| } | ||
| else if (modelValue instanceof CharSequence) | ||
| { | ||
| cell.setCellValue(modelValue.toString()); | ||
| } | ||
| else if (modelValue instanceof CharSequence) | ||
| { | ||
| cell.setCellValue(modelValue.toString()); | ||
| } | ||
| else if (modelValue instanceof Boolean) | ||
| { | ||
| cell.setCellValue((Boolean)modelValue); | ||
| } | ||
| else if (modelValue instanceof Calendar) | ||
| { | ||
| cell.setCellValue((Calendar)modelValue); | ||
| } | ||
| else if (modelValue instanceof Date) | ||
| { | ||
| cell.setCellValue((Date)modelValue); | ||
| } | ||
| else | ||
| { | ||
| cell.setCellValue(modelValue.toString()); | ||
| } | ||
| } | ||
| } | ||
| else | ||
| { | ||
| // simply set the first most nested tag value | ||
| String value = parser.getInput( | ||
| firstMostNestedTag.getPos() + firstMostNestedTag.getLength(), tag.getPos()) | ||
| .toString(); | ||
| cell.setCellValue(value); | ||
| } | ||
| } | ||
| } |
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