source: trunk/src/org/expeditee/actions/Javascript2.java@ 1080

/**
 *    Javascript2.java
 *    Copyright (C) 2010 New Zealand Digital Library, http://expeditee.org
 *
 *    This program is free software: you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation, either version 3 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.expeditee.actions;

import java.awt.Color;
import java.util.Collection;
import java.util.LinkedList;
import java.util.List;

import javax.script.Bindings;
import javax.script.Invocable;
import javax.script.ScriptContext;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.ScriptException;
import javax.script.SimpleScriptContext;

import org.expeditee.gui.Frame;
import org.expeditee.gui.FrameIO;
import org.expeditee.gui.FrameUtils;
import org.expeditee.gui.MessageBay;
import org.expeditee.io.flowlayout.XGroupItem;
import org.expeditee.items.Item;
import org.expeditee.items.ItemUtils;
import org.expeditee.items.Text;

/**
 * Javascript parser.
 * Works differently to the other Javascript class in that it
 * parses a frame as a whole rather than parsing individual text items as separate statements
 * 
 * @author jts21
 */
public class Javascript2 extends ScriptBase {
        
    protected void init() {
        ERROR_FRAMESET = "JavascriptErrors";
        scriptEngine = scriptEngineManager.getEngineByMimeType("application/javascript");
        scriptEngine.put("invocable", (Invocable) scriptEngine);
    }
        
    public static void printJSFrame(Item item) {
        if(item.getChild() == null) {
            // if the user clicked on the action without an item on their cursor
            if(item.hasAction()) {
                boolean isThis = false;
                for(String s : item.getAction()) {
                    if(s.equalsIgnoreCase("printJSFrame")) {
                        isThis = true;
                        break;
                    }
                }
                if(isThis) {
                    System.out.println(new Javascript2(item.getParentOrCurrentFrame(), true));
                    return;
                }
            }
            MessageBay.warningMessage("Requires either an item with a link to a frame, or no item (will run the current frame)");
        } else {
            System.out.println(new Javascript2(item.getChild(), true));
        }
    }
        
    public static void runJSFrame(Item item) throws Exception {
        if(item.getChild() == null) {
            // if the user clicked on the action without an item on their cursor
            if(item.hasAction()) {
                boolean isThis = false;
                for(String s : item.getAction()) {
                    if(s.equalsIgnoreCase("runJSFrame")) {
                        isThis = true;
                        break;
                    }
                }
                if(isThis) {
                    Javascript2.runFrameFollow(item.getParentOrCurrentFrame());
                    return;
                }
            }
            MessageBay.warningMessage("Requires either an item with a link to a frame, or no item (will run the current frame)");
        } else {
            Javascript2.runFrameFollow(item.getChild());
        }
    }
        
        
    private static synchronized void runFrameFollow(Frame frame) throws Exception {
        Javascript2 js = new Javascript2(frame, true);
        js.runFrame(frame,true);        
    }
        

    private Javascript2(Frame frame, boolean followLinks) {
        super(frame,followLinks);
    }
    
}