addcontainerbuttontag.java

java 写的一个新闻发布系统

package org.jahia.taglibs.button;

import org.jahia.data.JahiaData;
import org.jahia.data.containers.JahiaContainerList;
import org.jahia.exceptions.JahiaException;
import org.jahia.services.usermanager.JahiaUser;
import org.jahia.taglibs.container.ContainerListTag;
import org.jahia.taglibs.util.Utils;
import org.jahia.utils.JahiaConsole;

import java.io.*;
import java.util.*;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;


/**
 * Class AddContainerButtonTag : returns the full link ("<a href...>...</a>") allowing to
 *                               open the add container popup window if the user is authorized
 *
 * @author  Jerome Tamiotti
 */
public class AddContainerButtonTag extends AbstractButtonTag {

    private JahiaContainerList containerList = null;
    private String title = "Add";
    private String style = "";

    public void setTitle(String title) {
        this.title = title;
    }

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

    public String getTitle() {
        return this.title;
    }

    public String getStyle() {
        return this.style;
    }

    public boolean testRights (JahiaData jData) {
        // retrieves the current container list
        ContainerListTag parent = (ContainerListTag) findAncestorWithClass(this,ContainerListTag.class);
        if (parent != null) {
            if (parent.isDeclarationPass()) {
                return false;
            }
            this.containerList = parent.getContainerList();
        }
        if (this.containerList != null) {
            JahiaUser user = jData.params().getUser();
            try {
                if (jData.gui().isEditMode()) {
                    return ( this.containerList.checkWriteAccess(user,jData.params().getSiteID())
                             // if the list is empty, choose the right on page
                             || ( !this.containerList.getContainers().hasMoreElements()
                                  && jData.page().checkWriteAccess(user) ) );
                }
            } catch (JahiaException je) {
                JahiaConsole.println("AddContainerButton: testRights ", je.toString());
            }
        }
        return false;
    }

    public String getLauncher(JahiaData jData) throws JahiaException {
        // returns the URL that launches the add container popup window
        return "javascript:" + jData.gui().html().drawAddContainerLauncher(this.containerList);
    }

}