/*
* 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.apache.empire.struts2.jsp.tags;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.jsp.JspException;
import org.apache.empire.data.ColumnExpr;
import org.apache.empire.struts2.html.HtmlWriter;
import org.apache.empire.struts2.html.HtmlWriter.HtmlTag;
import org.apache.struts2.components.Component;
import org.apache.struts2.views.jsp.IteratorStatus;
import com.opensymphony.xwork2.util.ValueStack;
@SuppressWarnings("serial")
public class TableRowTag extends EmpireTagSupport
{
public static final String ITERATOR_STATUS_ATTRIBUTE = "listRowStatus";
public static final String ROWINFO_ATTRIBUTE = "tableRowInfo";
public static class RowInfo
{
public ColumnExpr currentColumn;
public String currentClass;
// Overridable column defaults
public String columnClass;
public String columnAlign;
public String columnStyle;
public String columnWrap;
}
// Common UI
protected String cssOddClass;
protected String cssOddStyle;
// Overrideable column defaults
protected ColumnExpr currentColumn;
protected String currentClass;
protected String columnClass;
protected String columnStyle;
protected String columnAlign;
protected String columnWrap;
// Temporary Information
private Object oldRowInfo;
/*
* Clears all params since tag is reused
*/
@Override
protected void resetParams()
{
// Common UI
cssOddClass = null;
cssOddStyle = null;
// Column info
currentColumn = null;
currentClass = null;
columnClass = null;
columnStyle = null;
columnAlign = null;
columnWrap = null;
// reset
super.resetParams();
}
@Override
public Component getBean(ValueStack arg0, HttpServletRequest arg1, HttpServletResponse arg2)
{
return null;
}
@Override
protected void populateParams()
{
log.error("Illegal Method call");
}
@Override
public int doStartTag() throws JspException
{
// Tabel cell tag
HtmlWriter w = new HtmlWriter(pageContext.getOut());
HtmlTag trTag = w.startTag("tr");
trTag.addAttribute("id", getId());
trTag.addAttribute("class", (isOddStatus() && cssOddClass!=null) ? cssOddClass : cssClass);
trTag.addAttribute("style", (isOddStatus() && cssOddStyle!=null) ? cssOddStyle : cssStyle);
trTag.beginBody();
// Set Row Info
RowInfo ri = new RowInfo();
ri.currentColumn = currentColumn;
ri.columnClass = columnClass;
ri.currentClass = currentClass;
ri.columnAlign = columnAlign;
ri.columnStyle = columnStyle;
ri.columnWrap = columnWrap;
oldRowInfo = putPageAttribute(ROWINFO_ATTRIBUTE, ri);
// return usesBody ? EVAL_BODY_BUFFERED : EVAL_BODY_INCLUDE;
return EVAL_BODY_INCLUDE;
}
@Override
public int doEndTag() throws JspException
{
// Set current Column
removePageAttribute(ROWINFO_ATTRIBUTE, oldRowInfo);
oldRowInfo = null;
// Write End Tag
HtmlWriter w = new HtmlWriter(pageContext.getOut());
HtmlTag trTag = w.continueTag("tr", true);
trTag.endTag();
// done
resetParams();
return EVAL_PAGE;
}
// ------- Helpers -------
private boolean isOddStatus()
{
Object statusAttr = getPageAttribute(ITERATOR_STATUS_ATTRIBUTE, null);
if (statusAttr==null)
return false;
IteratorStatus status = (IteratorStatus)getStack().getContext().get(statusAttr);
return (status!=null && status.isOdd());
}
// ------- Property setters -------
public void setCssOddClass(String cssOddClass)
{
this.cssOddClass = cssOddClass;
}
public void setCssOddStyle(String cssOddStyle)
{
this.cssOddStyle = cssOddStyle;
}
public void setCurrentColumn(ColumnExpr currentColumn)
{
this.currentColumn = currentColumn;
}
public void setCurrentClass(String currentClass)
{
this.currentClass = currentClass;
}
public void setColumnClass(String columnClass)
{
this.columnClass = columnClass;
}
public void setColumnAlign(String columnAlign)
{
this.columnAlign = columnAlign;
}
public void setColumnStyle(String columnStyle)
{
this.columnStyle = columnStyle;
}
public void setColumnWrap(String columnWrap)
{
this.columnWrap = columnWrap;
}
}