com.cyclopsgroup.waterview.web.taglib.HorizontalTabControlTag.java Source code

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Here is the source code for com.cyclopsgroup.waterview.web.taglib.HorizontalTabControlTag.java

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/* ==========================================================================
 * Copyright 2002-2005 Cyclops Group Community
 *
 * Licensed under the COMMON DEVELOPMENT AND DISTRIBUTION LICENSE
 * (CDDL) Version 1.0 (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.opensource.org/licenses/cddl1.txt
 *
 *  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 com.cyclopsgroup.waterview.web.taglib;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

import org.apache.commons.collections.map.ListOrderedMap;
import org.apache.commons.jelly.JellyTagException;
import org.apache.commons.jelly.XMLOutput;
import org.apache.commons.lang.StringUtils;

import com.cyclopsgroup.waterview.jelly.taglib.BaseJellyControlTag;

/**
 * @author <a href="mailto:jiaqi.guo@gmail.com">Jiaqi Guo</a>
 *
 * Horizontal tab control
 */
public class HorizontalTabControlTag extends BaseJellyControlTag implements TabTagAware {
    private String selected = "default";

    private Map tabTags = ListOrderedMap.decorate(new HashMap());

    /**
     * Constructor for class HorizontalTabControlTag
     */
    public HorizontalTabControlTag() {
        setScript("/waterview/control/HorizontalTabControl.jelly");
    }

    /**
     * Overwrite or implement method doTabTag()
     *
     * @see com.cyclopsgroup.waterview.web.taglib.TabTagAware#doTabTag(com.cyclopsgroup.waterview.web.taglib.TabTag)
     */
    public void doTabTag(TabTag tag) {
        tabTags.put(tag.getName(), tag);
    }

    /**
     * Get unique name
     *
     * @return Name value
     */
    public String getName() {
        return getTagId();
    }

    /**
     * Getter method for field selected
     *
     * @return Returns the selected.
     */
    public String getSelected() {
        return selected;
    }

    /**
     * Get selected tab
     *
     * @return Selected tab
     */
    public TabTag getSelectedTabTag() {
        return (TabTag) tabTags.get(getSelected());
    }

    /**
     * Get tab tags
     *
     * @return Collection of tab tags
     */
    public Collection getTabTags() {
        return tabTags.values();
    }

    /**
     * Overwrite or implement method processTag()
     *
     * @see com.cyclopsgroup.waterview.jelly.taglib.BaseJellyControlTag#processTag(org.apache.commons.jelly.XMLOutput)
     */
    protected void processTag(XMLOutput output) throws Exception {
        requireAttribute("name");
        invokeBody(XMLOutput.createDummyXMLOutput());
        if (tabTags.isEmpty()) {
            throw new JellyTagException("At least one tab must be defined");
        }
        String selectedTabName = (String) getRuntimeData().getSessionContext().get(getUniqueTagId());
        if (StringUtils.isNotEmpty(selectedTabName)) {
            setSelected(selectedTabName);
        } else if (StringUtils.isEmpty(getSelected()) || !tabTags.containsKey(getSelected())) {
            setSelected((String) tabTags.keySet().iterator().next());
        }
        super.processTag(output);
    }

    /**
     * Set unique name
     *
     * @param name Control name
     */
    public void setName(String name) {
        setTagId(name);
    }

    /**
     * Setter method for field selected
     *
     * @param selected The selected to set.
     */
    public void setSelected(String selected) {
        this.selected = selected;
    }
}