Package com.gitblit.wicket.panels

Source Code of com.gitblit.wicket.panels.DropDownMenu

/*
* Copyright 2011 gitblit.com.
*
* Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* 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.gitblit.wicket.panels;

import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.markup.repeater.Item;
import org.apache.wicket.markup.repeater.data.DataView;
import org.apache.wicket.markup.repeater.data.ListDataProvider;

import com.gitblit.models.Menu.ExternalLinkMenuItem;
import com.gitblit.models.Menu.MenuDivider;
import com.gitblit.models.Menu.MenuItem;
import com.gitblit.models.Menu.PageLinkMenuItem;
import com.gitblit.models.Menu.ParameterMenuItem;
import com.gitblit.models.NavLink.DropDownMenuNavLink;
import com.gitblit.models.NavLink.DropDownPageMenuNavLink;
import com.gitblit.wicket.WicketUtils;

public class DropDownMenu extends Panel {

  private static final long serialVersionUID = 1L;

  public DropDownMenu(String id, String label, final DropDownPageMenuNavLink menu) {
    super(id);

    add(new Label("label", label).setRenderBodyOnly(true));
    ListDataProvider<MenuItem> items = new ListDataProvider<MenuItem>(menu.menuItems);
    DataView<MenuItem> view = new DataView<MenuItem>("menuItems", items) {
      private static final long serialVersionUID = 1L;

      @Override
      public void populateItem(final Item<MenuItem> item) {
        MenuItem entry = item.getModelObject();
        if (entry instanceof PageLinkMenuItem) {
          // link to another Wicket page
          PageLinkMenuItem pageLink = (PageLinkMenuItem) entry;
          item.add(new LinkPanel("menuItem", null, null, pageLink.toString(), pageLink.getPageClass(),
              pageLink.getPageParameters(), false).setRenderBodyOnly(true));
        } else if (entry instanceof ExternalLinkMenuItem) {
          // link to a specified href
          ExternalLinkMenuItem extLink = (ExternalLinkMenuItem) entry;
          item.add(new LinkPanel("menuItem", null, extLink.toString(), extLink.getHref(),
              extLink.openInNewWindow()).setRenderBodyOnly(true));
        } else if (entry instanceof MenuDivider) {
          // divider
          item.add(new Label("menuItem").setRenderBodyOnly(true));
          WicketUtils.setCssClass(item, "divider");
        } else {
          ParameterMenuItem parameter = (ParameterMenuItem) entry;
          // parameter link for the current page
          String icon = null;
          if (parameter.isSelected()) {
            icon = "icon-ok";
          } else {
            icon = "icon-ok-white";
          }
          item.add(new LinkPanel("menuItem", icon, null, entry.toString(), menu.pageClass,
              parameter.getPageParameters(), false).setRenderBodyOnly(true));
        }
      }
    };
    add(view);
    setRenderBodyOnly(true);
  }

  public DropDownMenu(String id, String label, final DropDownMenuNavLink menu) {
    super(id);

    add(new Label("label", label).setRenderBodyOnly(true));
    ListDataProvider<MenuItem> items = new ListDataProvider<MenuItem>(menu.menuItems);
    DataView<MenuItem> view = new DataView<MenuItem>("menuItems", items) {
      private static final long serialVersionUID = 1L;

      @Override
      public void populateItem(final Item<MenuItem> item) {
        MenuItem entry = item.getModelObject();
        if (entry instanceof PageLinkMenuItem) {
          // link to another Wicket page
          PageLinkMenuItem pageLink = (PageLinkMenuItem) entry;
          item.add(new LinkPanel("menuItem", null, null, pageLink.toString(), pageLink.getPageClass(),
              pageLink.getPageParameters(), false).setRenderBodyOnly(true));
        } else if (entry instanceof ExternalLinkMenuItem) {
          // link to a specified href
          ExternalLinkMenuItem extLink = (ExternalLinkMenuItem) entry;
          item.add(new LinkPanel("menuItem", null, extLink.toString(), extLink.getHref(),
              extLink.openInNewWindow()).setRenderBodyOnly(true));
        } else if (entry instanceof MenuDivider) {
          // divider
          item.add(new Label("menuItem").setRenderBodyOnly(true));
          WicketUtils.setCssClass(item, "divider");
        } else {
          throw new IllegalArgumentException(String.format("Unexpected menuitem type %s",
              entry.getClass().getSimpleName()));
        }
      }
    };
    add(view);
    setRenderBodyOnly(true);
  }
}
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