Java tutorial
/* * This library is part of OpenCms - * the Open Source Content Management System * * Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com) * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * For further information about Alkacon Software, please see the * company website: http://www.alkacon.com * * For further information about OpenCms, please see the * project website: http://www.opencms.org * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ package org.opencms.ade.containerpage.client.ui; import org.opencms.ade.containerpage.client.CmsContainerpageController; import org.opencms.ade.containerpage.client.CmsContainerpageHandler; import org.opencms.ade.containerpage.client.Messages; import org.opencms.ade.containerpage.client.ui.css.I_CmsLayoutBundle; import org.opencms.ade.containerpage.shared.CmsContainerPageGalleryData; import org.opencms.ade.galleries.client.CmsGalleryController; import org.opencms.ade.galleries.client.CmsGalleryControllerHandler; import org.opencms.ade.galleries.client.I_CmsGalleryHandler; import org.opencms.ade.galleries.client.ui.CmsGalleryDialog; import org.opencms.ade.galleries.client.ui.CmsResultListItem; import org.opencms.ade.galleries.shared.CmsGalleryDataBean; import org.opencms.ade.galleries.shared.CmsGallerySearchBean; import org.opencms.ade.galleries.shared.CmsResultItemBean; import org.opencms.gwt.client.dnd.CmsDNDHandler; import org.opencms.gwt.client.ui.A_CmsToolbarMenu; import org.opencms.gwt.client.ui.CmsListItemWidget.Background; import org.opencms.gwt.client.ui.CmsPopup; import org.opencms.gwt.client.ui.CmsToolbarPopup; import org.opencms.gwt.client.ui.I_CmsAutoHider; import org.opencms.gwt.client.ui.I_CmsButton; import org.opencms.gwt.client.ui.input.CmsLabel; import org.opencms.gwt.shared.CmsListInfoBean.StateIcon; import com.google.common.base.Predicate; import com.google.common.base.Predicates; import com.google.gwt.dom.client.Document; import com.google.gwt.dom.client.Style.FontStyle; import com.google.gwt.user.client.ui.FlowPanel; import com.google.gwt.user.client.ui.SimplePanel; import com.google.gwt.user.client.ui.Widget; /** * The gallery tool-bar menu.<p> * * @since 8.0.0 */ public class CmsToolbarGalleryMenu extends A_CmsToolbarMenu<CmsContainerpageHandler> { /** * The gallery handler for the container page editor.<p> */ class GalleryHandler implements I_CmsGalleryHandler { /** The drag and drop filter. */ private Predicate<CmsResultItemBean> m_dndFilter; /** * Constructor.<p> * * @param dndFilter the drag and drop filter */ GalleryHandler(Predicate<CmsResultItemBean> dndFilter) { m_dndFilter = dndFilter; } /** * @see org.opencms.ade.galleries.client.I_CmsGalleryHandler#filterDnd(org.opencms.ade.galleries.shared.CmsResultItemBean) */ public boolean filterDnd(CmsResultItemBean resultBean) { if (m_dndFilter != null) { return m_dndFilter.apply(resultBean); } else { return true; } } /** * @see org.opencms.ade.galleries.client.I_CmsGalleryHandler#getAdditionalTypeTabControl() */ public Widget getAdditionalTypeTabControl() { return CmsContainerpageController.get().getHandler().createViewSelectorForGalleryDialog(); } /** * @see org.opencms.ade.galleries.client.I_CmsGalleryHandler#getAutoHideParent() */ public I_CmsAutoHider getAutoHideParent() { return getPopup(); } /** * @see org.opencms.ade.galleries.client.I_CmsGalleryHandler#getDndHandler() */ public CmsDNDHandler getDndHandler() { return getDragHandler(); } /** * @see org.opencms.ade.galleries.client.I_CmsGalleryHandler#processResultItem(org.opencms.ade.galleries.client.ui.CmsResultListItem) */ public void processResultItem(CmsResultListItem item) { if (item.getResult().isCopyModel()) { item.getListItemWidget().setBackground(Background.YELLOW); CmsLabel titleWidget = item.getListItemWidget().getTitleWidget(); titleWidget.getElement().getStyle().setFontStyle(FontStyle.OBLIQUE); String newText = Messages.get().key(Messages.GUI_COPY_MODEL_TITLE_WRAPPER_1, titleWidget.getText()); titleWidget.setText(newText); item.getListItemWidget().setStateIcon(StateIcon.copy); } } } /** The gallery dialog instance. */ private CmsGalleryDialog m_dialog; /** The drag and drop handler for the gallery menu. */ private CmsDNDHandler m_dragHandler; /** The gallery data. */ private CmsGalleryDataBean m_galleryData; /** The gallery search bean. */ private CmsGallerySearchBean m_search; /** The gallery dialog container. */ private SimplePanel m_tabsContainer; /** * Constructor.<p> * * @param handler the container-page handler * @param dragHandler the container-page drag handler */ public CmsToolbarGalleryMenu(CmsContainerpageHandler handler, CmsDNDHandler dragHandler) { super(I_CmsButton.ButtonData.WAND_BUTTON, handler); m_dragHandler = dragHandler; FlowPanel contentPanel = new FlowPanel(); m_tabsContainer = new SimplePanel(); m_tabsContainer.addStyleName(I_CmsLayoutBundle.INSTANCE.containerpageCss().menuTabContainer()); contentPanel.add(m_tabsContainer); setMenuWidget(contentPanel); } /** * @see org.opencms.gwt.client.ui.I_CmsToolbarButton#onToolbarActivate() */ @SuppressWarnings("unused") public void onToolbarActivate() { Document.get().getBody().addClassName(I_CmsButton.ButtonData.WAND_BUTTON.getIconClass()); if (m_dialog == null) { int dialogHeight = CmsToolbarPopup.getAvailableHeight(); int dialogWidth = CmsToolbarPopup.getAvailableWidth(); Predicate<CmsResultItemBean> resultDndFilter = Predicates.alwaysTrue(); if (CmsContainerpageController.get().getData().getTemplateContextInfo().getCurrentContext() != null) { resultDndFilter = new CmsTemplateContextResultDndFilter(); } final Predicate<CmsResultItemBean> finalDndFilter = resultDndFilter; CmsGalleryDialog galleryDialog = new CmsGalleryDialog(new GalleryHandler(finalDndFilter)); new CmsGalleryController(new CmsGalleryControllerHandler(galleryDialog), m_galleryData, m_search); m_dialog = galleryDialog; m_dialog.setDialogSize(dialogWidth, dialogHeight); getPopup().setWidth(dialogWidth); m_tabsContainer.add(m_dialog); } else { int dialogWidth = CmsToolbarPopup.getAvailableWidth(); getPopup().setWidth(dialogWidth); m_dialog.truncate("GALLERY_DIALOG_TM", dialogWidth); m_dialog.updateSizes(); } } /** * @see org.opencms.gwt.client.ui.I_CmsToolbarButton#onToolbarDeactivate() */ public void onToolbarDeactivate() { Document.get().getBody().removeClassName(I_CmsButton.ButtonData.WAND_BUTTON.getIconClass()); } /** * Updates the gallery data.<p> * * @param galleryData the gallery data * @param viewChanged <code>true</code> in case the element view changed */ public void updateGalleryData(CmsContainerPageGalleryData galleryData, boolean viewChanged) { if (m_dialog != null) { if (viewChanged) { m_dialog.removeFromParent(); m_dialog = null; } else { m_dialog.updateGalleryData(galleryData.getGalleryData()); } } m_galleryData = galleryData.getGalleryData(); m_search = galleryData.getGallerySearch(); } /** * Gets the drag handler.<p> * * @return the drag handler */ protected CmsDNDHandler getDragHandler() { return m_dragHandler; } /** * @see org.opencms.gwt.client.ui.CmsMenuButton#getPopup() */ @Override protected CmsPopup getPopup() { return super.getPopup(); } }