package com.nfwork.dbfound.web.ui;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.jsp.JspTagException;
import javax.servlet.jsp.tagext.Tag;
import javax.servlet.jsp.tagext.TagSupport;
import com.nfwork.dbfound.util.LogUtil;
import com.nfwork.dbfound.exception.TagLocationException;
public class Columns extends TagSupport implements Cloneable {
private static final long serialVersionUID = 1L;
private List<Column> columns ;
public int doStartTag() throws JspTagException {
columns = new ArrayList<Column>();
return EVAL_BODY_INCLUDE;
}
public int doEndTag() throws JspTagException {
Tag t = findAncestorWithClass(this, Grid.class);
if (t == null) {
throw new TagLocationException("标签columns位置不正确,只能在Grid标签里面使用");
}
Grid parent = (Grid) t;
try {
parent.setColumns((Columns) this.clone());
} catch (CloneNotSupportedException e) {
LogUtil.error(e.getMessage(), e);
}
return EVAL_PAGE;
}
public List<Column> getColumns() {
return columns;
}
public void setColumns(List<Column> columns) {
this.columns = columns;
}
}