Java tutorial
/* * This library is part of OpenCms - * the Open Source Content Management System * * Copyright (C) Alkacon Software (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.gwt.client.ui.resourceinfo; import org.opencms.gwt.client.CmsCoreProvider; import org.opencms.gwt.client.I_CmsDescendantResizeHandler; import org.opencms.gwt.client.rpc.CmsRpcAction; import org.opencms.gwt.client.ui.CmsPopup; import org.opencms.gwt.client.ui.CmsTabContentWrapper; import org.opencms.gwt.client.ui.CmsTabbedPanel; import org.opencms.gwt.client.ui.resourceinfo.CmsResourceRelationView.Mode; import org.opencms.gwt.shared.CmsResourceStatusBean; import org.opencms.gwt.shared.CmsResourceStatusTabId; import org.opencms.util.CmsUUID; import java.util.ArrayList; import java.util.List; import java.util.Map; import com.google.common.collect.Lists; import com.google.gwt.core.client.Scheduler; import com.google.gwt.core.client.Scheduler.ScheduledCommand; import com.google.gwt.event.logical.shared.CloseHandler; import com.google.gwt.event.logical.shared.SelectionEvent; import com.google.gwt.event.logical.shared.SelectionHandler; import com.google.gwt.user.client.ui.PopupPanel; import com.google.gwt.user.client.ui.Widget; /** * Dialog for displaying resource information.<p> */ public class CmsResourceInfoDialog extends CmsPopup { /** The scroll panel height. */ protected static final int SCROLLPANEL_HEIGHT = 300; /** The tab panel. */ private CmsTabbedPanel<CmsTabContentWrapper> m_tabPanel; /** * Creates the dialog for the given resource information.<p> * * @param statusBean the resource information to bean * @param includeTargets true if relation targets should be displayed */ public CmsResourceInfoDialog(final CmsResourceStatusBean statusBean, boolean includeTargets) { super(); setModal(true); setGlassEnabled(true); addDialogClose(null); setWidth(610); removePadding(); final CmsTabbedPanel<CmsTabContentWrapper> tabPanel = new CmsTabbedPanel<CmsTabContentWrapper>(); m_tabPanel = tabPanel; tabPanel.setAutoResize(true); tabPanel.setAutoResizeHeightDelta(45); final List<CmsResourceRelationView> relationViews = new ArrayList<CmsResourceRelationView>(); for (Map.Entry<CmsResourceStatusTabId, String> tabEntry : statusBean.getTabs().entrySet()) { switch (tabEntry.getKey()) { case tabRelationsFrom: CmsResourceRelationView targets = new CmsResourceRelationView(statusBean, Mode.targets); setTabMinHeight(targets); targets.setPopup(this); tabPanel.add(new CmsTabContentWrapper(targets), tabEntry.getValue()); relationViews.add(targets); break; case tabRelationsTo: CmsResourceRelationView usage = new CmsResourceRelationView(statusBean, Mode.sources); setTabMinHeight(usage); usage.setPopup(this); tabPanel.add(new CmsTabContentWrapper(usage), tabEntry.getValue()); relationViews.add(usage); break; case tabStatus: CmsResourceInfoView infoView = new CmsResourceInfoView(statusBean); setTabMinHeight(infoView); tabPanel.add(new CmsTabContentWrapper(infoView), tabEntry.getValue()); relationViews.add(null); break; case tabSiblings: if (statusBean.getSiblings().size() > 0) { CmsResourceRelationView siblings = new CmsResourceRelationView(statusBean, Mode.siblings); setTabMinHeight(siblings); tabPanel.add(new CmsTabContentWrapper(siblings), tabEntry.getValue()); relationViews.add(siblings); } break; default: break; } } if (relationViews.get(0) != null) { relationViews.get(0).onResizeDescendant(); } tabPanel.addSelectionHandler(new SelectionHandler<Integer>() { public void onSelection(SelectionEvent<Integer> event) { Widget tabContent = tabPanel.getWidget(event.getSelectedItem().intValue()).getWidget(); if (tabContent instanceof I_CmsDescendantResizeHandler) { ((I_CmsDescendantResizeHandler) tabContent).onResizeDescendant(); } delayedResize(); } }); setMainContent(tabPanel); List<CmsResourceStatusTabId> tabKeyList = Lists.newArrayList(statusBean.getTabs().keySet()); int startTab = tabKeyList.indexOf(statusBean.getStartTab()); tabPanel.selectTab(startTab); } /** * Loads the resource information for a resource and displays it in a dialog.<p> * * @param structureId the structure id of the resource for which the resource info should be loaded * @param includeTargets true if relation targets should also be displayed * @param detailContentId the structure id of the detail content if present * @param closeHandler the close handler for the dialog (may be null if no close handler is needed) */ public static void load(final CmsUUID structureId, final boolean includeTargets, final CmsUUID detailContentId, final CloseHandler<PopupPanel> closeHandler) { CmsRpcAction<CmsResourceStatusBean> action = new CmsRpcAction<CmsResourceStatusBean>() { @Override public void execute() { start(0, true); CmsCoreProvider.getVfsService().getResourceStatus(structureId, CmsCoreProvider.get().getLocale(), includeTargets, detailContentId, this); } @Override protected void onResponse(CmsResourceStatusBean result) { stop(false); CmsResourceInfoDialog dialog = new CmsResourceInfoDialog(result, includeTargets); if (closeHandler != null) { dialog.addCloseHandler(closeHandler); } dialog.centerHorizontally(150); } }; action.execute(); } /** * @see com.google.gwt.user.client.ui.Widget#onLoad() */ @Override public void onLoad() { delayedResize(); } /** * Schedules a resize operation.<p> */ void delayedResize() { Scheduler.get().scheduleDeferred(new ScheduledCommand() { public void execute() { resize(); } }); } /** * Resizes the tab panel.<p> */ void resize() { m_tabPanel.onResizeDescendant(); } /** * Sets the minimum height for a tab content widget.<p> * * @param w the minimum height for a tab content widget */ private void setTabMinHeight(Widget w) { w.getElement().getStyle().setProperty("minHeight", "355px"); } }