Java tutorial
// Chromis POS - The New Face of Open Source POS // Copyright (c) (c) 2015-2016 // http://www.chromis.co.uk // // This file is part of Chromis POS // // Chromis POS is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, either version 3 of the License, or // (at your option) any later version. // // Chromis POS 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 General Public License for more details. // // You should have received a copy of the GNU General Public License // along with Chromis POS. If not, see <http://www.gnu.org/licenses/>. package uk.chromis.pos.admin; import eu.floraresearch.lablib.gui.checkboxtree.CheckboxTree; import eu.floraresearch.lablib.gui.checkboxtree.DefaultCheckboxTreeCellRenderer; import eu.floraresearch.lablib.gui.checkboxtree.TreeCheckingEvent; import eu.floraresearch.lablib.gui.checkboxtree.TreeCheckingListener; import eu.floraresearch.lablib.gui.checkboxtree.TreeCheckingModel; import java.awt.Component; import java.awt.event.MouseAdapter; import java.awt.event.MouseEvent; import java.awt.event.MouseListener; import java.io.IOException; import java.io.StringReader; import java.util.Enumeration; import java.util.HashMap; import java.util.HashSet; import java.util.List; import java.util.UUID; import java.util.logging.Level; import java.util.logging.Logger; import javax.swing.JOptionPane; import javax.swing.tree.DefaultMutableTreeNode; import javax.swing.tree.DefaultTreeModel; import javax.swing.tree.TreePath; import javax.xml.parsers.ParserConfigurationException; import javax.xml.parsers.SAXParser; import javax.xml.parsers.SAXParserFactory; import org.apache.commons.lang.StringUtils; import org.xml.sax.Attributes; import org.xml.sax.InputSource; import org.xml.sax.SAXException; import org.xml.sax.helpers.DefaultHandler; import uk.chromis.basic.BasicException; import uk.chromis.data.loader.SentenceList; import uk.chromis.data.user.DirtyManager; import uk.chromis.data.user.EditorRecord; import uk.chromis.format.Formats; import uk.chromis.pos.forms.AppLocal; import uk.chromis.pos.forms.AppView; import uk.chromis.pos.forms.JRootApp; /** * * @John Lewis - July 2014 */ public final class RolesViewTree extends javax.swing.JPanel implements EditorRecord { private Object m_oId; private DefaultTreeModel model; private CheckboxTree uTree; private DefaultMutableTreeNode root; private DefaultMutableTreeNode node; private List branches; private DataLogicAdmin m_dlAdmin; private SentenceList m_branches; private List permissions; private List userPermissions; private DirtyManager passedDirty; private List<DBPermissionsInfo> dbPermissions; private HashMap<DefaultMutableTreeNode, String> descriptionMap; private HashMap<String, String> classMap; private HashMap<String, DefaultMutableTreeNode> nodePaths; private StringBuilder sent; private static SAXParser m_sp = null; private HashSet<String> m_apermissions = null; private String section; private String displayName; private String description; private TreeCheckingModel cm; private Boolean hasPermissions; private AppView m_app; /** * Creates new form RolesEditor */ public RolesViewTree(DataLogicAdmin dlAdmin, DirtyManager dirty, AppView app) { initComponents(); passedDirty = dirty; jRightsLevel.addChangeListener(dirty); m_dlAdmin = dlAdmin; m_app = app; m_jName.getDocument().addDocumentListener(dirty); createTree(); } private void createTree() { //Create the jtree root = new DefaultMutableTreeNode(); uTree = new CheckboxTree(root); root.setUserObject("All Permissions"); uTree.getCheckingModel().setCheckingMode(TreeCheckingModel.CheckingMode.PROPAGATE_PRESERVING_CHECK); uTree.clearSelection(); DefaultCheckboxTreeCellRenderer renderer = (DefaultCheckboxTreeCellRenderer) uTree.getCellRenderer(); renderer.setLeafIcon(null); renderer.setClosedIcon(null); renderer.setOpenIcon(null); // set up listeners MouseListener ml = new MouseAdapter() { public void mousePressed(MouseEvent e) { int selRow = uTree.getRowForLocation(e.getX(), e.getY()); TreePath selPath = uTree.getPathForLocation(e.getX(), e.getY()); if (selPath != null) { DefaultMutableTreeNode node = (DefaultMutableTreeNode) selPath.getLastPathComponent(); // If using Right to left Language change the way the check tree works if (!uTree.getComponentOrientation().isLeftToRight()) { if (uTree.isPathChecked(new TreePath(node.getPath()))) { uTree.removeCheckingPath(new TreePath(node.getPath())); } else { uTree.addCheckingPath(new TreePath(node.getPath())); } } jPermissionDesc.setText(descriptionMap.get(node)); } } }; uTree.addMouseListener(ml); // when this listener is fired changes state to dirty uTree.addTreeCheckingListener(new TreeCheckingListener() { public void valueChanged(TreeCheckingEvent e) { passedDirty.setDirty(true); } }); try { // Get list of all the permisions in the database // and the list of sections dbPermissions = (List) m_dlAdmin.getAlldbPermissions(); branches = m_dlAdmin.getSectionsList(); } catch (BasicException ex) { Logger.getLogger(RolesViewTree.class.getName()).log(Level.SEVERE, null, ex); } // Create the main branches in the tree for (Object branch : branches) { section = ((StringUtils.substring(branch.toString(), 0, 2)).equals("##")) ? AppLocal.getIntString(StringUtils.right(branch.toString(), branch.toString().length() - 2)) : branch.toString(); root.add(new DefaultMutableTreeNode(section)); } classMap = new HashMap(); descriptionMap = new HashMap(); nodePaths = new HashMap(); // Replace displayname, Section and Description // from the database with the correct details from the permissions locale for (DBPermissionsInfo Perm : dbPermissions) { Perm.setDisplayName(((StringUtils.substring(Perm.getDisplayName(), 0, 2)).equals("##")) ? AppLocal.getIntString( StringUtils.right(Perm.getDisplayName(), Perm.getDisplayName().length() - 2)) : Perm.getDisplayName()); Perm.setSection(((StringUtils.substring(Perm.getSection(), 0, 2)).equals("##")) ? AppLocal.getIntString(StringUtils.right(Perm.getSection(), Perm.getSection().length() - 2)) : Perm.getSection()); Perm.setDescription(((StringUtils.substring(Perm.getDescription(), 0, 2)).equals("##")) ? AppLocal.getIntString( StringUtils.right(Perm.getDescription(), Perm.getDescription().length() - 2)) : Perm.getDescription()); } //put the list into order by display name sort(); // Create the leaf nodes & fill in hashmap's for (DBPermissionsInfo Perm : dbPermissions) { DefaultMutableTreeNode newNode = new DefaultMutableTreeNode(Perm.getDisplayName(), false); if (searchNode(Perm.getSection(), root) != null) { searchNode(Perm.getSection(), root).add(newNode); classMap.put("[All Permissions, " + Perm.getSection() + ", " + newNode + "]", Perm.getClassName()); descriptionMap.put(newNode, Perm.getDescription()); nodePaths.put(Perm.getClassName(), newNode); } } root = sortTree(root); jScrollPane1.setViewportView(uTree); uTree.expandAll(); } public String buildPermissionsStr() { TreePath[] treePaths = uTree.getCheckingPaths(); hasPermissions = false; sent = new StringBuilder(); sent.append("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"); sent.append("\n<!-- File generated by new Admin console -->"); sent.append("\n\n <permissions>"); if (treePaths != null) { for (TreePath path : treePaths) { // we know any paths not 3 are not a leaf node if (path.getPathCount() == 3) { sent.append("\n\t<class name=\"" + classMap.get(path.toString()) + "\"/>"); hasPermissions = true; } } } sent.append("\n </permissions>"); return (sent.toString()); } public void loadUserPermissionsIntoTree() throws BasicException { // Populate the tree with the selected users permissions uTree.clearChecking(); if (!"".equals(m_jName.getText())) { getPermissions(); for (String userPermission : m_apermissions) { if (nodePaths.containsKey(userPermission)) { uTree.addCheckingPath(new TreePath(nodePaths.get(userPermission).getPath())); } } jRightsLevel.setValue(m_dlAdmin.getRightsLevel(m_jName.getText())); // jRightsLevel.setText(m_dlAdmin.getRightsLevel(m_jName.getText()).toString()); } } // returns the node referenced by the nodestr public DefaultMutableTreeNode searchNode(String nodeStr, DefaultMutableTreeNode tNode) { DefaultMutableTreeNode node = null; Enumeration e = tNode.breadthFirstEnumeration(); while (e.hasMoreElements()) { node = (DefaultMutableTreeNode) e.nextElement(); if (nodeStr.equals(node.getUserObject().toString())) { return node; } } return null; } // Puts the tree into alpabetical order. public static DefaultMutableTreeNode sortTree(DefaultMutableTreeNode root) { for (int i = 0; i < root.getChildCount() - 1; i++) { DefaultMutableTreeNode node = (DefaultMutableTreeNode) root.getChildAt(i); String nt = node.getUserObject().toString(); for (int j = i + 1; j <= root.getChildCount() - 1; j++) { DefaultMutableTreeNode prevNode = (DefaultMutableTreeNode) root.getChildAt(j); String np = prevNode.getUserObject().toString(); if (nt.compareToIgnoreCase(np) > 0) { root.insert(node, j); root.insert(prevNode, i); } } if (node.getChildCount() > 0) { node = sortTree(node); } } return root; } private void sort() { for (int i = 0; i < dbPermissions.size(); i++) { for (int j = i; j > 0; j--) { if ((dbPermissions.get(j).getDisplayName()) .compareTo(dbPermissions.get(j - 1).getDisplayName()) < 0) { String tmpDisplayName = dbPermissions.get(j).getDisplayName(); String tmpClassname = dbPermissions.get(j).getClassName(); String tmpDescription = dbPermissions.get(j).getDescription(); String tmpSection = dbPermissions.get(j).getSection(); dbPermissions.get(j).setDisplayName(dbPermissions.get(j - 1).getDisplayName()); dbPermissions.get(j).setClassName(dbPermissions.get(j - 1).getClassName()); dbPermissions.get(j).setDescription(dbPermissions.get(j - 1).getDescription()); dbPermissions.get(j).setSection(dbPermissions.get(j - 1).getSection()); dbPermissions.get(j - 1).setDisplayName(tmpDisplayName); dbPermissions.get(j - 1).setClassName(tmpClassname); dbPermissions.get(j - 1).setDescription(tmpDescription); dbPermissions.get(j - 1).setSection(tmpSection); } } } } /** * */ @Override public void writeValueEOF() { m_oId = null; m_jName.setText(null); ; m_jName.setEnabled(false); jRightsLevel.setValue(3); } /** * */ @Override public void writeValueInsert() { uTree.clearChecking(); m_oId = null; m_jName.setText(null); m_jName.setEnabled(true); jRightsLevel.setValue(3); } /** * * @param value */ @Override public void writeValueDelete(Object value) { Object[] role = (Object[]) value; m_oId = role[0]; m_jName.setText(Formats.STRING.formatValue(role[1])); m_jName.setEnabled(false); ; } /** * * @param value */ @Override public void writeValueEdit(Object value) { Object[] role = (Object[]) value; m_oId = role[0]; m_jName.setText(Formats.STRING.formatValue(role[1])); m_jName.setEnabled(true); try { loadUserPermissionsIntoTree(); } catch (BasicException ex) { } } /** * * @return @throws BasicException */ @Override public Object createValue() throws BasicException { Object[] role = new Object[4]; role = new Object[4]; role[0] = m_oId == null ? UUID.randomUUID().toString() : m_oId; role[1] = m_jName.getText(); role[2] = Formats.BYTEA.parseValue(buildPermissionsStr()); role[3] = jRightsLevel.getValue(); if (!hasPermissions) { Object[] options = { AppLocal.getIntString("Button.Yes"), AppLocal.getIntString("Button.No") }; if (JOptionPane.showOptionDialog(this, AppLocal.getIntString("Message.adminpermissions1") + m_jName.getText() + " " + AppLocal.getIntString("Message.adminpermissions2"), AppLocal.getIntString("Message.adminwarning"), JOptionPane.YES_NO_OPTION, JOptionPane.WARNING_MESSAGE, null, options, options[1]) == 1) { // Re-instate original permissions for this role role = new Object[4]; role[0] = m_oId == null ? UUID.randomUUID().toString() : m_oId; role[1] = m_jName.getText(); role[2] = Formats.BYTEA.parseValue(m_dlAdmin.findRolePermissions(role[0].toString())); role[3] = m_dlAdmin.getRightsLevel(m_jName.getText()); return role; } } return role; } @Override public Component getComponent() { return this; } @Override public void refresh() { uTree.scrollPathToVisible(uTree.getPathForRow(0)); uTree.expandAll(); } ; public void getPermissions() throws BasicException { try { String m_roles = m_dlAdmin.getRoleID(m_jName.getText()); String sRolePermisions = m_dlAdmin.findRolePermissions(m_roles); m_apermissions = new HashSet<>(); if (m_sp == null) { SAXParserFactory spf = SAXParserFactory.newInstance(); m_sp = spf.newSAXParser(); } m_sp.parse(new InputSource(new StringReader(sRolePermisions)), new RolesViewTree.ConfigurationHandler()); } catch (ParserConfigurationException | SAXException ex) { Logger.getLogger(JRootApp.class.getName()).log(Level.SEVERE, null, ex); } catch (IOException ex) { Logger.getLogger(RolesViewTree.class.getName()).log(Level.SEVERE, null, ex); } ; } private class ConfigurationHandler extends DefaultHandler { @Override public void startDocument() throws SAXException { } @Override public void endDocument() throws SAXException { } @Override public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException { if ("class".equals(qName)) { m_apermissions.add(attributes.getValue("name")); } } @Override public void endElement(String uri, String localName, String qName) throws SAXException { } @Override public void characters(char[] ch, int start, int length) throws SAXException { } } /** * This method is called from within the constructor to initialize the form. * WARNING: Do NOT modify this code. The content of this method is always * regenerated by the Form Editor. */ // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents private void initComponents() { jSpinner1 = new javax.swing.JSpinner(); jLabel2 = new javax.swing.JLabel(); m_jName = new javax.swing.JTextField(); jScrollPane1 = new javax.swing.JScrollPane(); jPanel1 = new javax.swing.JPanel(); jScrollPane2 = new javax.swing.JScrollPane(); jPermissionDesc = new javax.swing.JTextArea(); jAddEntry = new javax.swing.JButton(); jDeleteEntry = new javax.swing.JButton(); jLabel1 = new javax.swing.JLabel(); jRightsLevel = new javax.swing.JSpinner(); jLabel2.setFont(new java.awt.Font("Tahoma", 0, 12)); // NOI18N jLabel2.setText(AppLocal.getIntString("Label.Name")); // NOI18N m_jName.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1); jPanel1.setLayout(jPanel1Layout); jPanel1Layout.setHorizontalGroup(jPanel1Layout .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addGap(0, 0, Short.MAX_VALUE)); jPanel1Layout.setVerticalGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGap(0, 10, Short.MAX_VALUE)); jPermissionDesc.setColumns(20); jPermissionDesc.setFont(new java.awt.Font("Tahoma", 3, 12)); // NOI18N jPermissionDesc.setLineWrap(true); jPermissionDesc.setRows(5); jScrollPane2.setViewportView(jPermissionDesc); java.util.ResourceBundle bundle = java.util.ResourceBundle.getBundle("pos_messages"); // NOI18N jAddEntry.setText(bundle.getString("Button.addclass")); // NOI18N jAddEntry.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jAddEntryActionPerformed(evt); } }); jDeleteEntry.setText(bundle.getString("Button.deleteclass")); // NOI18N jDeleteEntry.addActionListener(new java.awt.event.ActionListener() { public void actionPerformed(java.awt.event.ActionEvent evt) { jDeleteEntryActionPerformed(evt); } }); jLabel1.setFont(new java.awt.Font("Tahoma", 0, 12)); // NOI18N jLabel1.setText(bundle.getString("label.rightslevel")); // NOI18N jRightsLevel.setFont(new java.awt.Font("Tahoma", 1, 12)); // NOI18N jRightsLevel.setModel(new javax.swing.SpinnerNumberModel(3, 0, 9, 1)); jRightsLevel.setMinimumSize(new java.awt.Dimension(35, 28)); jRightsLevel.setPreferredSize(new java.awt.Dimension(35, 28)); javax.swing.GroupLayout layout = new javax.swing.GroupLayout(this); this.setLayout(layout); layout.setHorizontalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup().addGroup(layout .createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup().addContainerGap().addComponent(jScrollPane1)) .addGroup(layout.createSequentialGroup().addGap(22, 22, 22) .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 66, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addComponent(m_jName, javax.swing.GroupLayout.PREFERRED_SIZE, 257, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jAddEntry) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jDeleteEntry) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 90, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jRightsLevel, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addGap(0, 12, Short.MAX_VALUE)) .addGroup(layout.createSequentialGroup().addContainerGap() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addComponent(jScrollPane2, javax.swing.GroupLayout.Alignment.TRAILING) .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)))) .addContainerGap())); layout.setVerticalGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createSequentialGroup().addContainerGap() .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel1) .addComponent(jRightsLevel, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)) .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE) .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(m_jName, javax.swing.GroupLayout.PREFERRED_SIZE, 25, javax.swing.GroupLayout.PREFERRED_SIZE) .addComponent(jAddEntry).addComponent(jDeleteEntry))) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 447, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED) .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED) .addComponent(jScrollPane2, javax.swing.GroupLayout.DEFAULT_SIZE, 75, Short.MAX_VALUE) .addContainerGap())); }// </editor-fold>//GEN-END:initComponents private void jAddEntryActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jAddEntryActionPerformed if (RolesAddNewEntry.showDialog(this)) { try { // lets reload the tree dbPermissions = (List) m_dlAdmin.getAlldbPermissions(); } catch (BasicException ex) { } uTree.setModel(null); createTree(); } }//GEN-LAST:event_jAddEntryActionPerformed private void jDeleteEntryActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_jDeleteEntryActionPerformed JPermissionsList permissions = JPermissionsList.getPermissionsList(this, m_app.getSession()); permissions.setVisible(true); createTree(); }//GEN-LAST:event_jDeleteEntryActionPerformed // Variables declaration - do not modify//GEN-BEGIN:variables private javax.swing.JButton jAddEntry; private javax.swing.JButton jDeleteEntry; private javax.swing.JLabel jLabel1; private javax.swing.JLabel jLabel2; private javax.swing.JPanel jPanel1; private javax.swing.JTextArea jPermissionDesc; private javax.swing.JSpinner jRightsLevel; private javax.swing.JScrollPane jScrollPane1; private javax.swing.JScrollPane jScrollPane2; private javax.swing.JSpinner jSpinner1; private javax.swing.JTextField m_jName; // End of variables declaration//GEN-END:variables }