rowtag.java

ecside jsp前途分页的标签 实现ajax 增删改查等

/*
 * Copyright 2006-2007 original author or authors.
 *
 * 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.ecside.tag;

import javax.servlet.jsp.JspException;

import org.ecside.core.TableConstants;
import org.ecside.core.TableModel;
import org.ecside.core.bean.BaseBean;
import org.ecside.core.bean.Row;
import org.ecside.filter.ExportFilterUtils;
import org.ecside.table.interceptor.RowInterceptor;
import org.ecside.util.ECSideUtils;
import org.ecside.util.ExceptionUtils;


/**
 * @author Wei Zijun
 *
 */

/**
 * @jsp.tag name="row" display-name="RowTag" body-content="JSP" description="The
 *          container which holds all the row specific information."
 * 
 */

public class RowTag extends BaseBodyTagSupport implements RowInterceptor {

 	private static final long serialVersionUID = 1L;
	private String highlightClass;
    private String highlightRow;
    private String interceptor;
    private String onclick;
    private String ondblclick;
    private String onmouseout;
    private String onmouseover;
    private String style;
    private String styleClass;

    private String recordKey;
    
    
    private String selectlightClass;
    private String selectlightRow;
	
    private String rowId;
    
//	private Row row;

    public void setHighlightClass(String highlightClass) {
        this.highlightClass = highlightClass;
    }


    public void setHighlightRow(String showHighlight) {
        this.highlightRow = showHighlight;
    }


    public void setInterceptor(String interceptor) {
        this.interceptor = interceptor;
    }


    public void setOnclick(String onclick) {
        this.onclick = onclick;
    }

	public String getOndblclick() {
		return ondblclick;
	}

	public void setOndblclick(String ondblclick) {
		this.ondblclick = ondblclick;
	}

    public void setOnmouseout(String onmouseout) {
        this.onmouseout = onmouseout;
    }


    public void setOnmouseover(String onmouseover) {
        this.onmouseover = onmouseover;
    }


    public void setStyle(String style) {
        this.style = style;
    }


    public void setStyleClass(String styleClass) {
        this.styleClass = styleClass;
    }

    
    public int doStartTag() throws JspException {
    	model = TagUtils.getModel(this);
    	
        boolean isExported = ExportFilterUtils.isExported( model.getContext());
		boolean isPrint="_print_".equals(ExportFilterUtils.getExportFileName( model.getContext()));

		Row row=null;
        if (!TagUtils.isIteratingBody(this)) {
        	row = new Row(model);
        	
//       	 if (!isExported || isPrint ) {	
		          row.setHighlightClass(TagUtils.evaluateExpressionAsString("highlightClass", this.highlightClass, this, pageContext));
		          row.setHighlightRow(TagUtils.evaluateExpressionAsBoolean("highlightRow", this.highlightRow, this, pageContext));
		          
		          row.setSelectlightClass(TagUtils.evaluateExpressionAsString("selectlightClass", this.selectlightClass, this, pageContext));
		          row.setSelectlightRow(TagUtils.evaluateExpressionAsBoolean("selectlightRow", this.selectlightRow, this, pageContext));
//        		}
          row.setInterceptor(TagUtils.evaluateExpressionAsString("interceptor", this.interceptor, this, pageContext));
          
          
          row.setStyle(TagUtils.evaluateExpressionAsString("style", this.style, this, pageContext));
          TagUtils.initExpression("style",row.getStyle(), row);
          
          
          addRowAttributes(model, row);
          model.addRow(row);
        	
        }else{
        	row = model.getRowHandler().getRow();
        	
//        	 if (!isExported || isPrint ) {
            row.setOnclick(TagUtils.evaluateExpressionAsString("onclick", onclick, this, pageContext));
            row.setOndblclick(TagUtils.evaluateExpressionAsString("ondblclick", ondblclick, this, pageContext));
            row.setOnmouseout(TagUtils.evaluateExpressionAsString("onmouseout", onmouseout, this, pageContext));
            row.setOnmouseover(TagUtils.evaluateExpressionAsString("onmouseover", onmouseover, this, pageContext));
            
            row.setTagAttributes(TagUtils.evaluateExpressionAsString(TableConstants.TAG_ATTRIBUTES, this.tagAttributes, this, pageContext));
        	

            Object currentBean = TagUtils.getModel(this).getCurrentRowBean();
            String style=ECSideUtils.convertString(TagUtils.runExpression("style",row,currentBean),null);
            if (style==null) {
            	row.setStyle(TagUtils.evaluateExpressionAsString("style", this.style, this, pageContext));
            }else{
            	row.setStyle(style);
            }
            
            row.setStyleClass(TagUtils.evaluateExpressionAsString("styleClass", styleClass, this, pageContext));
            
            row.setRecordKey(TagUtils.evaluateExpressionAsString("recordKey", this.recordKey, this, pageContext));
            row.setId(TagUtils.evaluateExpressionAsString("rowId", rowId, this, pageContext));
            
//        	 }
        	 
            modifyRowAttributes(model, row);
            
            model.getRowHandler().modifyRowAttributes();
            
        }
        return EVAL_BODY_BUFFERED;
    }
    
    public int doAfterBody() throws JspException {

    	return super.doAfterBody();
    }
    public int doEndTag() throws JspException {
    	
    	Row row = model.getRowHandler().getRow();
        try {
            if (!TagUtils.isIteratingBody(this)) {

            } else {

            	row.setAttribute(TableConstants.EXTEND_ATTRIBUTES,"");

            }
        } catch (Exception e) {
            throw new JspException("RowTag.doStartTag() Problem: " + ExceptionUtils.formatStackTrace(e));
        }finally{
        	doFinally();
        }      

    	return EVAL_PAGE;
    }

	public void doFinally() {
		super.doFinally();
	}
    public void addRowAttributes(TableModel model, Row row) {
    }

    public void modifyRowAttributes(TableModel model, Row row) {
    }

    public void release() {
        highlightClass = null;
        highlightRow = null;
        interceptor = null;
        onclick = null;
        ondblclick=null;
        onmouseout = null;
        onmouseover = null;
        style = null;
        styleClass = null;

    	ondblclick = null;

	    selectlightClass=null;
	    selectlightRow=null;
    	
        super.release();
    }
    

	public BaseBean getTagBean() {
		return TagUtils.getModel(this).getRowHandler().getRow();
	}


	public String getRecordKey() {
		return recordKey;
	}


	public void setRecordKey(String recordKey) {
		this.recordKey = recordKey;
	}


	public String getSelectlightClass() {
		return selectlightClass;
	}


	public void setSelectlightClass(String selectlightClass) {
		this.selectlightClass = selectlightClass;
	}


	public String getSelectlightRow() {
		return selectlightRow;
	}


	public void setSelectlightRow(String selectlightRow) {
		this.selectlightRow = selectlightRow;
	}


	public String getRowId() {
		return rowId;
	}


	public void setRowId(String rowId) {
		this.rowId = rowId;
	}


}