001    // Copyright May 16, 2006 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    package org.apache.tapestry.dojo.html;
015    
016    import java.util.HashMap;
017    import java.util.Map;
018    
019    import org.apache.hivemind.ApplicationRuntimeException;
020    import org.apache.tapestry.AbstractComponent;
021    import org.apache.tapestry.IMarkupWriter;
022    import org.apache.tapestry.IRequestCycle;
023    import org.apache.tapestry.IScript;
024    import org.apache.tapestry.PageRenderSupport;
025    import org.apache.tapestry.TapestryUtils;
026    import org.apache.tapestry.dojo.DojoUtils;
027    import org.apache.tapestry.dojo.IWidget;
028    import org.apache.tapestry.json.JSONObject;
029    
030    /**
031     * Implementation of dojo's FloatingPane.
032     *
033     * @author andyhot
034     * @since 4.1
035     */
036    public abstract class FloatingPane extends AbstractComponent implements IWidget, IDojoFloatingPane 
037    {
038        /** Has Tool bar. */
039        public abstract boolean getHasToolbar();
040    
041        /** Allow resize. */
042        public abstract boolean isResizable();
043    
044        /** Should persist position (with cookies). */
045        public abstract boolean getPersistPosition();
046    
047        /** id. */
048        public abstract String getIdParameter();
049    
050        /** Is this pane a taskBar? */
051        public abstract boolean getIsTaskBar();
052    
053        /** More js options - JSON style. */
054        public abstract String getOptions();
055    
056        /** Injected script. */
057        public abstract IScript getScript();
058        
059        /** Get the id of the connected taskBar. */
060        public String getTaskBarId()
061        {
062            Object obj = getTaskBar();
063            if (obj == null)
064                return null;
065            else if (obj instanceof String)
066                return (String)obj;
067            else if (obj instanceof FloatingPane)
068                return ((FloatingPane)obj).getIdParameter();
069            else
070                throw new ApplicationRuntimeException("Parameter taskBar should either be a String or a FloatingPane");
071        }
072        
073        /**
074         * {@inheritDoc}
075         */
076        public void renderWidget(IMarkupWriter writer, IRequestCycle cycle)
077        {
078            renderComponent(writer, cycle);
079        }    
080    
081        /**
082         * @see org.apache.tapestry.AbstractComponent#renderComponent(org.apache.tapestry.IMarkupWriter,
083         *      org.apache.tapestry.IRequestCycle)
084         */
085        protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle)
086        {
087            writer.begin("div");
088            writer.attribute("id", getIdParameter());
089            
090            renderInformalParameters(writer, cycle);
091            renderBody(writer, cycle);
092            
093            writer.end();
094            
095            JSONObject obj = DojoUtils.parseJSONParameter(this, "options");
096    
097            obj.put("title", getTitle());
098            if (getIcon() != null)
099                obj.put("iconSrc", getIcon().buildURL());
100            if (getHref() != null)
101                obj.put("href", getHref());
102            obj.put("widgetId", getId());
103            obj.put("toggle", "fade");
104            obj.put("constrainToContainer", getConstrainToContainer());
105            obj.put("displayMaximizeAction", getDisplayMaximizeAction());
106            obj.put("displayMinimizeAction", getDisplayMinimizeAction());
107            obj.put("displayCloseAction", getDisplayCloseAction());
108            obj.put("hasShadow", getHasShadow());
109            obj.put("resizable", isResizable());
110            obj.put("taskBarId", getTaskBarId());
111            //obj.put("persistenceWidgetPosition", getPersistPosition());        
112    
113            //Setup our script includes
114            Map scriptParms = new HashMap();
115            scriptParms.put("id", getIdParameter());
116            scriptParms.put("props", obj.toString());
117            PageRenderSupport pageRenderSupport = TapestryUtils.getPageRenderSupport(cycle, this);
118            
119            getScript().execute(this, cycle, pageRenderSupport, scriptParms);
120        }
121    }