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   1 /**********************************************************************
   2  * Copyright (c) 2003 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *    IBM - Initial API and implementation
  10  **********************************************************************/
  11 package net.sourceforge.phpdt.monitor.ui.internal;
  12
  13 import java.net.InetAddress;
  14
  15 import net.sourceforge.phpdt.monitor.core.IMonitorWorkingCopy;
  16 import net.sourceforge.phpdt.monitor.core.IProtocolAdapter;
  17 import net.sourceforge.phpdt.monitor.core.MonitorCore;
  18
  19 import org.eclipse.jface.dialogs.Dialog;
  20 import org.eclipse.jface.dialogs.IDialogConstants;
  21 import org.eclipse.swt.SWT;
  22 import org.eclipse.swt.events.*;
  23 import org.eclipse.swt.layout.GridData;
  24 import org.eclipse.swt.layout.GridLayout;
  25 import org.eclipse.swt.widgets.Button;
  26 import org.eclipse.swt.widgets.Combo;
  27 import org.eclipse.swt.widgets.Composite;
  28 import org.eclipse.swt.widgets.Control;
  29 import org.eclipse.swt.widgets.Group;
  30 import org.eclipse.swt.widgets.Label;
  31 import org.eclipse.swt.widgets.Shell;
  32 import org.eclipse.swt.widgets.Text;
  33 import org.eclipse.ui.help.WorkbenchHelp;
  34 /**
  35  *
  36  */
  37 public class MonitorDialog extends Dialog {
  38         protected IMonitorWorkingCopy monitor;
  39         protected boolean isEdit;
  40
  41         private Button okButton;
  42         private Text monitorPort;
  43         private Text remoteHostname;
  44         private Text remotePort;
  45
  46         interface StringModifyListener {
  47                 public void valueChanged(String s);
  48         }
  49
  50         interface BooleanModifyListener {
  51                 public void valueChanged(boolean b);
  52         }
  53
  54         interface TypeModifyListener {
  55                 public void valueChanged(IProtocolAdapter type);
  56         }
  57
  58         /**
  59          * @param parentShell
  60          */
  61         public MonitorDialog(Shell parentShell, IMonitorWorkingCopy monitor) {
  62                 super(parentShell);
  63                 this.monitor = monitor;
  64                 isEdit = true;
  65         }
  66
  67         public MonitorDialog(Shell parentShell) {
  68                 super(parentShell);
  69                 monitor = MonitorCore.createMonitor();
  70                 isEdit = false;
  71         }
  72
  73         protected void configureShell(Shell shell) {
  74                 super.configureShell(shell);
  75                 if (isEdit)
  76                         shell.setText(MonitorUIPlugin.getResource("%editMonitor"));
  77                 else
  78                         shell.setText(MonitorUIPlugin.getResource("%newMonitor"));
  79         }
  80
  81         protected Label createLabel(Composite comp, String txt) {
  82                 Label label = new Label(comp, SWT.NONE);
  83                 label.setText(txt);
  84                 label.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING | GridData.VERTICAL_ALIGN_BEGINNING));
  85                 return label;
  86         }
  87
  88         protected Text createText(Composite comp, String txt, final StringModifyListener listener) {
  89                 final Text text = new Text(comp, SWT.BORDER);
  90                 if (txt != null)
  91                         text.setText(txt);
  92                 GridData data = new GridData(GridData.FILL_HORIZONTAL | GridData.VERTICAL_ALIGN_BEGINNING);
  93                 data.widthHint = 150;
  94                 text.setLayoutData(data);
  95                 if (listener != null)
  96                         text.addModifyListener(new ModifyListener() {
  97                                 public void modifyText(ModifyEvent e) {
  98                                         listener.valueChanged(text.getText());
  99                                 }
 100                         });
 101                 return text;
 102         }
 103
 104         protected Combo createTypeCombo(Composite comp, final IProtocolAdapter[] types, IProtocolAdapter sel, final TypeModifyListener listener) {
 105                 final Combo combo = new Combo(comp, SWT.DROP_DOWN | SWT.READ_ONLY);
 106                 int size = types.length;
 107                 String[] items = new String[size];
 108                 int index = -1;
 109                 for (int i = 0; i < size; i++) {
 110                         items[i] = types[i].getName();
 111                         if (types[i].equals(sel))
 112                                 index = i;
 113                 }
 114                 combo.setItems(items);
 115                 if (index >= 0)
 116                         combo.select(index);
 117                 GridData data = new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_BEGINNING);
 118                 data.widthHint = 150;
 119                 combo.setLayoutData(data);
 120                 if (listener != null)
 121                         combo.addSelectionListener(new SelectionListener() {
 122                                 public void widgetSelected(SelectionEvent e) {
 123                                         listener.valueChanged(types[combo.getSelectionIndex()]);
 124                                 }
 125                                 public void widgetDefaultSelected(SelectionEvent e) {
 126                                         widgetSelected(e);
 127                                 }
 128                         });
 129                 return combo;
 130         }
 131
 132         /* (non-Javadoc)
 133          * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite)
 134          */
 135         protected Control createDialogArea(Composite parent) {
 136                 Composite composite = (Composite) super.createDialogArea(parent);
 137                 ((GridLayout)composite.getLayout()).numColumns = 2;
 138
 139                 WorkbenchHelp.setHelp(composite, ContextIds.PREF_DIALOG);
 140
 141                 createLabel(composite, MonitorUIPlugin.getResource("%localPort"));
 142                 monitorPort = createText(composite, monitor.getLocalPort() + "", new StringModifyListener() {
 143                         public void valueChanged(String s) {
 144                                 try {
 145                                         monitor.setLocalPort(Integer.parseInt(s));
 146                                 } catch (Exception e) { }
 147                                 validateFields();
 148                         }
 149                 });
 150
 151                 Group group = new Group(composite, SWT.NONE);
 152                 GridLayout layout = new GridLayout(2, false);
 153                 group.setLayout(layout);
 154                 GridData data = new GridData(GridData.FILL_HORIZONTAL);
 155                 data.horizontalSpan = 2;
 156                 group.setLayoutData(data);
 157                 group.setText(MonitorUIPlugin.getResource("%remoteGroup"));
 158
 159                 createLabel(group, MonitorUIPlugin.getResource("%remoteHost"));
 160                 remoteHostname = createText(group, monitor.getRemoteHost(), new StringModifyListener() {
 161                         public void valueChanged(String s) {
 162                                 monitor.setRemoteHost(s);
 163                                 validateFields();
 164                         }
 165                 });
 166
 167                 createLabel(group, MonitorUIPlugin.getResource("%remotePort"));
 168                 remotePort = createText(group, monitor.getRemotePort() + "", new StringModifyListener() {
 169                         public void valueChanged(String s) {
 170                                 try {
 171                                         monitor.setRemotePort(Integer.parseInt(s));
 172                                 } catch (Exception e) { }
 173                                 validateFields();
 174                         }
 175                 });
 176
 177                 createLabel(group, MonitorUIPlugin.getResource("%parseType"));
 178                 createTypeCombo(group, MonitorCore.getProtocolAdapters(), monitor.getProtocolAdapter(), new TypeModifyListener() {
 179                         public void valueChanged(IProtocolAdapter type) {
 180                                 monitor.setProtocolAdapter(type);
 181                         }
 182                 });
 183
 184                 return composite;
 185         }
 186
 187         /* (non-Javadoc)
 188          * @see org.eclipse.jface.dialogs.Dialog#okPressed()
 189          */
 190         protected void okPressed() {
 191                 monitor.save();
 192                 super.okPressed();
 193         }
 194
 195         protected Control createButtonBar(Composite parent) {
 196                 Control buttonControl = super.createButtonBar(parent);
 197                 validateFields();
 198                 return buttonControl;
 199         }
 200
 201         private void setOKButtonEnabled(boolean curIsEnabled) {
 202                 if (okButton == null)
 203                         okButton = getButton(IDialogConstants.OK_ID);
 204
 205                 if (okButton != null)
 206                         okButton.setEnabled(curIsEnabled);
 207         }
 208
 209         protected void validateFields() {
 210                 if (monitorPort == null)
 211                         return;
 212
 213                 boolean result = true;
 214
 215                 String currHostname = remoteHostname.getText();
 216                 if (!isValidHostname(currHostname))
 217                         result = false;
 218
 219                 String currHostnamePort = remotePort.getText();
 220                 try {
 221                         Integer.parseInt(currHostnamePort);
 222                 } catch (Exception any) {
 223                         result = false;
 224                 }
 225
 226                 String currMonitorPort = monitorPort.getText();
 227                 try {
 228                         Integer.parseInt(currMonitorPort);
 229                 } catch (Exception any) {
 230                         result = false;
 231                 }
 232
 233                 if (result && isLocalhost(currHostname)) {
 234                         if (currHostnamePort.equals(currMonitorPort))
 235                                 result = false;
 236                 }
 237                 setOKButtonEnabled(result);
 238         }
 239
 240         protected static boolean isValidHostname(String host) {
 241                 if (host == null || host.trim().length() < 1)
 242                         return false;
 243                 if (host.indexOf("/") >= 0)
 244                         return false;
 245                 if (host.indexOf("\\") >= 0)
 246                         return false;
 247                 if (host.indexOf(" ") >= 0)
 248                         return false;
 249                 return true;
 250         }
 251
 252         protected static boolean isLocalhost(String host) {
 253                 if (host == null)
 254                         return false;
 255                 try {
 256                         if ("localhost".equals(host) || "127.0.0.1".equals(host))
 257                                 return true;
 258                         InetAddress localHostaddr = InetAddress.getLocalHost();
 259                         if (localHostaddr.getHostName().equals(host))
 260                                 return true;
 261                 } catch (Exception e) {
 262                         Trace.trace(Trace.WARNING, "Error checking for localhost", e);
 263                 }
 264                 return false;
 265         }
 266 }