1 /*******************************************************************************

     2  * Copyright (c) 2009 Symbian Foundation and/or its subsidiary(-ies).

     3  * All rights reserved.

     4  * This component and the accompanying materials are made available

     5  * under the terms of the License "Eclipse Public License v1.0"

     6  * which accompanies this distribution, and is available

     7  * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8  *

     9  * Initial Contributors:

    10  * Symbian Foundation - initial contribution.

    11  * Contributors:

    12  * Description:

    13  * Overview:

    14  * Details:

    15  * Platforms/Drives/Compatibility:

    16  * Assumptions/Requirement/Pre-requisites:

    17  * Failures and causes:

    18  *******************************************************************************/

    19 package org.symbian.tools.wrttools.debug.ui;

    20 

    21 import java.io.File;

    22 

    23 import org.eclipse.jface.dialogs.MessageDialogWithToggle;

    24 import org.eclipse.jface.preference.DirectoryFieldEditor;

    25 import org.eclipse.jface.preference.FieldEditorPreferencePage;

    26 import org.eclipse.jface.preference.StringFieldEditor;

    27 import org.eclipse.swt.SWT;

    28 import org.eclipse.swt.layout.GridData;

    29 import org.eclipse.swt.widgets.Button;

    30 import org.eclipse.ui.IWorkbench;

    31 import org.eclipse.ui.IWorkbenchPreferencePage;

    32 import org.symbian.tools.wrttools.debug.internal.Activator;

    33 import org.symbian.tools.wrttools.debug.internal.ChromeDebugUtils;

    34 import org.symbian.tools.wrttools.debug.internal.IConstants;

    35 

    36 public class DebugPreferencePage extends FieldEditorPreferencePage implements

    37 		IWorkbenchPreferencePage {

    38 

    39     private Button check;

    40 

    41     public DebugPreferencePage() {

    42 		super(GRID);

    43 		setPreferenceStore(Activator.getDefault().getPreferenceStore());

    44 		setDescription("Mobile Web debugger settings");

    45 	}

    46 

    47 	@Override

    48 	protected void createFieldEditors() {

    49         DirectoryFieldEditor editor = new DirectoryFieldEditor(IConstants.PREF_NAME_CHROME_LOCATION,

    50                 "Chrome Install Location:",

    51                 getFieldEditorParent()) {

    52             @Override

    53             protected boolean doCheckState() {

    54                 if (super.doCheckState()) {

    55                     String message = validate(getStringValue());

    56                     setErrorMessage(message);

    57                     return message == null;

    58                 } else {

    59                     return false;

    60                 }

    61             }

    62         };

    63         editor.setValidateStrategy(StringFieldEditor.VALIDATE_ON_KEY_STROKE);

    64         editor.setEmptyStringAllowed(false);

    65 		addField(editor);

    66 

    67         check = new Button(getFieldEditorParent(), SWT.CHECK);

    68         check.setText("Show warning dialog when resources in the debugged project were changed");

    69         check.setLayoutData(new GridData(GridData.BEGINNING, GridData.END, false, false, 3, 1));

    70 

    71         check.setSelection(!MessageDialogWithToggle.ALWAYS.equals(getPreferenceStore().getString(

    72                 IConstants.PREF_SHOW_RESOURCE_CHANGE_ERROR)));

    73 	}

    74 

    75 

    76     protected String validate(String newValue) {

    77         String error = null;

    78         if (newValue == null || newValue.trim().length() == 0) {

    79             error = "Chrome install location is not specified";

    80         } else if (!new File(newValue).exists()) {

    81             error = String.format("%s does not exist", newValue);

    82         } else if (ChromeDebugUtils.getExecutablePath(newValue) == null) {

    83             error = String.format("%s does not contain Chrome executable", newValue);

    84         }

    85         return error;

    86     }

    87 

    88     @Override

    89     protected void performDefaults() {

    90         super.performDefaults();

    91         check.setSelection(false);

    92     }

    93 

    94     @Override

    95     public boolean performOk() {

    96         if (check.getSelection()) {

    97             getPreferenceStore().setToDefault(IConstants.PREF_SHOW_RESOURCE_CHANGE_ERROR);

    98         } else {

    99             getPreferenceStore().setValue(IConstants.PREF_SHOW_RESOURCE_CHANGE_ERROR, MessageDialogWithToggle.ALWAYS);

   100         }

   101         return super.performOk();

   102     }

   103 

   104 	public void init(IWorkbench workbench) {

   105 		// Do nothing

   106 	}

   107 }