cn.joylau.office.word.support.template.expression.helper.TableHelper Maven / Gradle / Ivy
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/*******************************************************************************
* Copyright (c) 2017 by JoyLau. All rights reserved
******************************************************************************/
package cn.joylau.office.word.support.template.expression.helper;
import cn.joylau.commons.utils.StringUtils;
import cn.joylau.office.word.support.template.expression.WordHelper;
import org.apache.poi.xwpf.usermodel.XWPFTableCell;
import org.apache.poi.xwpf.usermodel.XWPFTableRow;
/**
* word表格渲染辅助器
*/
public class TableHelper implements WordHelper {
/**
* 第一行对象,表达式所在行，而非表头
*/
private XWPFTableRow firstRow;
/**
* 当前渲染的行
*/
private XWPFTableRow nowRow;
private int rowIndex = 0;
/**
* 换行操作
*
* @param cell 触发此操作的单元格
*/
public void nextRow(XWPFTableCell cell) {
if (nowRow == null) {
firstRow = nowRow = cell.getTableRow();
rowIndex = firstRow.getTable().getRows().indexOf(firstRow);
} else {
nowRow = nowRow.getTable().insertNewTableRow(rowIndex++);
nowRow.setHeight(firstRow.getHeight());
}
}
/**
* 渲染一列单元格操作
*
* @param cell 原始单元格(表达式所在的单元格)
* @param params 单元格值
*/
public void nextCell(XWPFTableCell cell, Object... params) {
XWPFTableCell cell_tmp = nowRow.getCell(firstRow.getTableCells().indexOf(cell));
if (params == null)
params = new String[]{""};
if (cell_tmp == null) {
cell_tmp = nowRow.addNewTableCell();
cell_tmp.addParagraph(cell.getParagraphArray(0));
}
for (int i = 0, len = cell.getParagraphs().size(); i < len; i++) {
cell.removeParagraph(i);
}
cell_tmp.setText(StringUtils.concat(params));
}
@Override
public void reset() {
firstRow = null;
nowRow = null;
}
}