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Wicket-Menu
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package com.cooldatasoft.vertical.slidein;

import java.util.ArrayList;
import java.util.List;

import org.apache.wicket.core.util.string.JavaScriptUtils;
import org.apache.wicket.markup.head.CssHeaderItem;
import org.apache.wicket.markup.head.IHeaderResponse;
import org.apache.wicket.markup.head.JavaScriptHeaderItem;
import org.apache.wicket.markup.html.IHeaderContributor;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.request.cycle.RequestCycle;
import org.apache.wicket.request.resource.CssResourceReference;
import org.apache.wicket.request.resource.JavaScriptResourceReference;
import org.apache.wicket.request.resource.ResourceReference;

import com.cooldatasoft.common.DestinationType;
import com.cooldatasoft.common.MenuItem;

/**
 * Configuring the menu To change the contents of the menu to your own, edit the sitems[] array. You
 * may now also specify a target for the links, if you wish them to be loaded in a new window or
 * frame.
 * 
 * To change the appearance of the menu, edit the style sheet in Step 1 plus the first few variables
 * listed in script of Step 2. Here's a brief description of the editable parts within the style
 * sheet:
 * 
 * border:1.5px solid green; background-color:lightyellow; layer-background-color:lightyellow;
 * font:bold 12px Verdana; line-height:20px;
 * 
 * The first line determines the appearance of the border that surrounds the menu (change 1.5px and
 * green as desired). The second and third line effects the background color of the menu. The fourth
 * line determines the font of the menu (change 12px and Verdana as desired). The last line
 * deterines the spacing between each line of text in the menu.
 * 
 * @author Fatih Mehmet UCAR - [email protected]
 * 
 */
public class SlideInMenu extends Panel implements IHeaderContributor {

	private static final long serialVersionUID = 1L;

	private final static ResourceReference MENU_JS = new JavaScriptResourceReference(SlideInMenu.class, "js/SlideInMenu.js");
	private final static ResourceReference MENU_CSS = new CssResourceReference(SlideInMenu.class, "css/SlideInMenu.css");

	private List menuItemList = null;

	public SlideInMenu(String id, List menuItemList) {
		super(id);
		setMenuItemList(menuItemList);
		setRenderBodyOnly(true);
	}

	@Override
	public void renderHead(IHeaderResponse response) {

		int count = 0;
		response.getResponse().write(JavaScriptUtils.SCRIPT_OPEN_TAG);
		response.getResponse().write("var sitems = new Array();\n");
		for (MenuItem menuItem : getMenuItemList()) {
			if (menuItem.getDestinationType() == DestinationType.WEB_PAGE_CLASS) {
				response.getResponse().write(
						"sitems[" + (count++) + "]=[\"" + menuItem.getMenuText() + "\"," + "\""
								+ RequestCycle.get().urlFor(menuItem.getResponsePageClass(), null) + "\"];\n");
			} else if (menuItem.getDestinationType() == DestinationType.WEB_PAGE_INSTANCE) {
				response.getResponse().write(
						"sitems[" + (count++) + "]=[\"" + menuItem.getMenuText() + "\"," + "\""
								+ RequestCycle.get().urlFor(menuItem.getResponsePage().getClass(), null) + "\"];\n");
			} else {
				System.err.println(menuItem.getDestinationType());
				throw new RuntimeException("This menu can only be applied to wicket web pages");
			}
		}
		response.getResponse().write(JavaScriptUtils.SCRIPT_CLOSE_TAG);
		response.render(JavaScriptHeaderItem.forReference(MENU_JS));
		response.render(CssHeaderItem.forReference(MENU_CSS));
		
	}

	public List getMenuItemList() {
		return menuItemList;
	}

	public void setMenuItemList(List menuItemList) {
		if (menuItemList == null) {
			this.menuItemList = new ArrayList();
		} else {
			this.menuItemList = menuItemList;
		}
	}

}