Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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 ro.nextreports.designer.wizpublish; import ro.nextreports.server.api.client.WebServiceClient; import ro.nextreports.server.api.client.DataSourceMetaData; import ro.nextreports.server.api.client.EntityConstants; import javax.swing.tree.TreePath; import javax.swing.tree.DefaultTreeCellRenderer; import javax.swing.tree.TreeSelectionModel; import javax.swing.*; import javax.swing.event.TreeExpansionListener; import javax.swing.event.TreeExpansionEvent; import java.util.List; import java.util.Iterator; import java.util.Map; import java.awt.*; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.awt.event.ActionEvent; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.jdesktop.swingx.JXTree; // // Created by IntelliJ IDEA. // User: mihai.panaitescu // Date: 29-Sep-2009 // Time: 18:05:45 import ro.nextreports.designer.datasource.DataSource; import ro.nextreports.designer.datasource.DefaultDataSourceManager; import ro.nextreports.designer.querybuilder.DBBrowserNode; import ro.nextreports.designer.querybuilder.DBObject; import ro.nextreports.designer.querybuilder.tree.NodeExpander; import ro.nextreports.designer.util.I18NSupport; import ro.nextreports.designer.util.ImageUtil; import ro.nextreports.designer.util.Show; // public class JcrBrowserTree extends JXTree { private static final Log LOG = LogFactory.getLog(JcrBrowserTree.class); private JcrBrowserTreeModel model; private JcrBrowserTree instance; private WebServiceClient client; public JcrBrowserTree(final byte typeRoot, WebServiceClient client) { super(); this.client = client; populateTree(typeRoot); setCellRenderer(new JcrBrowserTreeRenderer()); getSelectionModel().setSelectionMode(TreeSelectionModel.SINGLE_TREE_SELECTION); instance = this; addMouseListener(new MouseAdapter() { public void mousePressed(MouseEvent e) { job(e, true); } public void mouseReleased(MouseEvent e) { job(e, false); } private void job(MouseEvent e, boolean pressed) { if (e.isPopupTrigger()) { final TreePath selPath = getPathForLocation(e.getX(), e.getY()); if (selPath == null) { return; } setSelectionPath(selPath); try { final DBBrowserNode selectedNode = (DBBrowserNode) selPath.getLastPathComponent(); if (selectedNode != null) { JPopupMenu popupMenu = new JPopupMenu(); boolean show = false; if ((selectedNode.getDBObject().getType() == DBObject.FOLDER_REPORT) || (selectedNode.getDBObject().getType() == DBObject.DATABASE) || (selectedNode.getDBObject().getType() == DBObject.REPORTS_GROUP) || (selectedNode.getDBObject().getType() == DBObject.CHARTS_GROUP)) { JMenuItem menuItem = new JMenuItem(new PublishFolderAction(selectedNode)); popupMenu.add(menuItem); show = true; } if ((typeRoot == DBObject.DATABASE) && ((selectedNode.getDBObject().getType() == DBObject.FOLDER_REPORT) || (selectedNode.getDBObject().getType() == DBObject.DATABASE))) { PublishDataSourceAction publishDSAction = new PublishDataSourceAction(selectedNode); JMenuItem menuItem2 = new JMenuItem(publishDSAction); popupMenu.add(menuItem2); show = true; } if (show) { popupMenu.show((Component) e.getSource(), e.getX(), e.getY()); } } } catch (Exception ex) { Show.error(ex); } } } }); } class PublishFolderAction extends AbstractAction { private DBBrowserNode selectedNode; public PublishFolderAction(DBBrowserNode selectedNode) { putValue(Action.NAME, I18NSupport.getString("publish.folder")); putValue(Action.SMALL_ICON, ImageUtil.getImageIcon("folder")); putValue(Action.MNEMONIC_KEY, new Integer('F')); putValue(Action.SHORT_DESCRIPTION, I18NSupport.getString("publish.folder.desc")); putValue(Action.LONG_DESCRIPTION, I18NSupport.getString("publish.folder.desc")); this.selectedNode = selectedNode; } public void actionPerformed(ActionEvent ev) { String name = JOptionPane.showInputDialog(I18NSupport.getString("publish.folder.name")); if (name != null) { try { int found = exists(selectedNode.getDBObject().getAbsolutePath(), name); if (found != EntityConstants.ENTITY_NOT_FOUND) { if (found == EntityConstants.FOLDER_FOUND) { Show.info(SwingUtilities.getWindowAncestor(JcrBrowserTree.this), I18NSupport.getString("wizard.publish.folder.overwrite", name)); return; } else { Show.info(I18NSupport.getString("wizard.publish.entity.found")); return; } } client.createFolder(selectedNode.getDBObject().getAbsolutePath() + "/" + name); // refresh tree selectedNode.removeAllChildren(); expandNode(selectedNode, false); } catch (Exception e) { e.printStackTrace(); Show.error(SwingUtilities.getWindowAncestor(JcrBrowserTree.this), I18NSupport.getString("wizard.publish.folder.error"), e); } } } } class PublishDataSourceAction extends AbstractAction { private DBBrowserNode selectedNode; public PublishDataSourceAction(DBBrowserNode selectedNode) { putValue(Action.NAME, I18NSupport.getString("publish.datasource")); putValue(Action.SMALL_ICON, ImageUtil.getImageIcon("database_publish")); putValue(Action.MNEMONIC_KEY, new Integer('P')); putValue(Action.SHORT_DESCRIPTION, I18NSupport.getString("publish.datasource.desc")); putValue(Action.LONG_DESCRIPTION, I18NSupport.getString("publish.datasource.desc")); this.selectedNode = selectedNode; } public void actionPerformed(ActionEvent ev) { DataSource ds = DefaultDataSourceManager.getInstance().getConnectedDataSource(); DataSourceMetaData metaData = new DataSourceMetaData(); metaData.setPath(selectedNode.getDBObject().getAbsolutePath() + "/" + ds.getName()); metaData.setVendor(ds.getType()); metaData.setDriver(ds.getDriver()); metaData.setUrl(ds.getUrl()); metaData.setUsername(ds.getUser()); metaData.setPassword(ds.getPassword()); metaData.setProperties(ds.getProperties()); try { int found = exists(selectedNode.getDBObject().getAbsolutePath(), ds.getName()); if (found != EntityConstants.ENTITY_NOT_FOUND) { if (found == EntityConstants.DATA_SOURCE_FOUND) { if (!overwrite( I18NSupport.getString("wizard.publish.datasource.overwrite", ds.getName()))) { return; } } else { Show.info(I18NSupport.getString("wizard.publish.entity.found")); return; } } client.publishDataSource(metaData); // refresh tree selectedNode.removeAllChildren(); expandNode(selectedNode, false); } catch (Exception e) { e.printStackTrace(); Show.error(SwingUtilities.getWindowAncestor(JcrBrowserTree.this), I18NSupport.getString("wizard.publish.datasource.error"), e); } } } private int exists(String path, String name) throws Exception { return client.entityExists(path + "/" + name); } private boolean overwrite(String message) { Object[] options = { I18NSupport.getString("report.util.yes"), I18NSupport.getString("report.util.no") }; int option = JOptionPane.showOptionDialog(SwingUtilities.getWindowAncestor(JcrBrowserTree.this), message, I18NSupport.getString("report.util.confirm"), JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE, null, options, options[1]); return (option == JOptionPane.YES_OPTION); } private void populateTree(byte typeRoot) { DBObject object = new DBObject(getRootName(typeRoot), null, typeRoot); if (typeRoot == DBObject.DATABASE) { object.setAbsolutePath(JcrNodeExpander.DATABASES_ROOT); } else if (typeRoot == DBObject.REPORTS_GROUP) { object.setAbsolutePath(JcrNodeExpander.REPORTS_ROOT); } else if (typeRoot == DBObject.CHARTS_GROUP) { object.setAbsolutePath(JcrNodeExpander.CHARTS_ROOT); } model = new JcrBrowserTreeModel(new DBBrowserNode(object), client); setModel(model); DBBrowserNode root = (DBBrowserNode) model.getRoot(); addTreeExpansionListener(new NodeExpansionListener()); setShowsRootHandles(true); expandNode(root, false); if ((typeRoot == DBObject.DATABASE) || (typeRoot == DBObject.REPORTS_GROUP) || (typeRoot == DBObject.CHARTS_GROUP)) { if (root.getChildCount() > 0) { expandNode((DBBrowserNode) root.getChildAt(0), false); } } } private String getRootName(byte typeRoot) { switch (typeRoot) { case DBObject.DATABASE: return JcrNodeExpander.SOURCES; case DBObject.REPORTS_GROUP: return JcrNodeExpander.REPORTS; case DBObject.CHARTS_GROUP: return JcrNodeExpander.CHARTS; default: return "ROOT"; } } public void startExpandingTree(DBBrowserNode node, boolean selectNode, Map selectedPathNames) { expandNode(node, selectNode); } private boolean expandNode(DBBrowserNode node, boolean selectNode) { if (node == null) { throw new IllegalArgumentException("DBBrowserNode is null"); } // if node hasn't already been expanded. if (node.getChildCount() == 0) { // add together the standard expanders for this node type and any // individual expanders that there are for the node and process them. final byte nodeType = node.getDBObject().getType(); NodeExpander[] expanders = model.getExpanders(nodeType); new TreeLoader(node, expanders, selectNode).execute(); return true; } return false; } class NodeExpansionListener implements TreeExpansionListener { public void treeExpanded(TreeExpansionEvent ev) { final TreePath path = ev.getPath(); final Object parentObj = path.getLastPathComponent(); if (parentObj instanceof DBBrowserNode) { startExpandingTree((DBBrowserNode) parentObj, false, null); // expandedPathNames.put(path.toString(), null); } } public void treeCollapsed(TreeExpansionEvent ev) { // expandedPathNames.remove(ev.getPath().toString()); } } class TreeLoader { private DBBrowserNode parentNode; private NodeExpander[] expanders; private boolean selectParentNode; TreeLoader(DBBrowserNode parentNode, NodeExpander[] expanders, boolean selectParentNode) { super(); this.parentNode = parentNode; this.expanders = expanders; this.selectParentNode = selectParentNode; } void execute() { try { try { loadChildren(); } finally { fireStructureChanged(parentNode); if (selectParentNode) { clearSelection(); setSelectionPath(new TreePath(parentNode.getPath())); } } } catch (Throwable e) { LOG.error(e.getMessage(), e); e.printStackTrace(); Show.error(I18NSupport.getString("wizard.publish.connection.error")); } } /** * This expands the parent node and shows all its children. */ private void loadChildren() throws Exception { for (int i = 0; i < expanders.length; ++i) { boolean nodeTypeAllowsChildren = false; byte lastNodeType = -1; List list = expanders[i].createChildren(parentNode); Iterator it = list.iterator(); while (it.hasNext()) { Object nextObj = it.next(); if (nextObj instanceof DBBrowserNode) { DBBrowserNode childNode = (DBBrowserNode) nextObj; byte childNodeType = childNode.getDBObject().getType(); if (childNodeType != lastNodeType) { lastNodeType = childNodeType; if (model.getExpanders(childNodeType).length > 0) { nodeTypeAllowsChildren = true; } else { nodeTypeAllowsChildren = false; } } childNode.setAllowsChildren(nodeTypeAllowsChildren); parentNode.add(childNode); } } } } private void fireStructureChanged(final DBBrowserNode node) { JcrBrowserTree.this.model.nodeStructureChanged(node); } } class JcrBrowserTreeRenderer extends DefaultTreeCellRenderer { public Component getTreeCellRendererComponent(JTree tree, Object value, boolean selected, boolean expanded, boolean leaf, int row, boolean hasFocus) { super.getTreeCellRendererComponent(tree, value, selected, expanded, leaf, row, hasFocus); DBBrowserNode node = (DBBrowserNode) value; setText((String) node.getUserObject()); switch (node.getDBObject().getType()) { case DBObject.DATABASE: setIcon(ImageUtil.getImageIcon("connection")); break; case DBObject.DATASOURCE: setIcon(ImageUtil.getImageIcon("database")); break; case DBObject.REPORTS_GROUP: setIcon(ImageUtil.getImageIcon("reports")); break; case DBObject.REPORTS: setIcon(ImageUtil.getImageIcon("report")); break; case DBObject.CHARTS_GROUP: setIcon(ImageUtil.getImageIcon("charts")); break; case DBObject.CHARTS: setIcon(ImageUtil.getImageIcon("chart")); break; case DBObject.FOLDER_REPORT: setIcon(ImageUtil.getImageIcon("folder")); break; } return this; } } }