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

    private JahiaContainerList containerList = null;
    private String title = "Properties";
    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) {
        JahiaUser user = jData.params().getUser();
        // retrieves the current container list
        ContainerListTag parent = (ContainerListTag) findAncestorWithClass(this,ContainerListTag.class);
        if (parent != null) {
            if (parent.isDeclarationPass()) {
                return false;
            }
            containerList = parent.getContainerList();
        }
        if (containerList != null) {
            Enumeration containers = containerList.getContainers();
            try {
                return ( containers.hasMoreElements() &&
                         containerList.checkWriteAccess(user,jData.params().getSiteID()) &&
                         jData.gui().isEditMode() );
            } catch (JahiaException je) {
                JahiaConsole.println("ContainerListPropertiesButtonTag: testRights ", je.toString());
            }
        }
        return false;
    }

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

}