service/simulator/java/eclipse-plugin/ServiceProviderPlugin/src/oic/simulator/serviceprovider/view/dialogs/CreateResourcePage.java

   1 /*
   2  * Copyright 2015 Samsung Electronics All Rights Reserved.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 package oic.simulator.serviceprovider.view.dialogs;
  18
  19 import java.util.Iterator;
  20 import java.util.Map;
  21
  22 import oic.simulator.serviceprovider.Activator;
  23 import oic.simulator.serviceprovider.utils.Constants;
  24 import oic.simulator.serviceprovider.utils.Utility;
  25
  26 import org.eclipse.jface.wizard.WizardPage;
  27 import org.eclipse.swt.SWT;
  28 import org.eclipse.swt.custom.CCombo;
  29 import org.eclipse.swt.events.KeyAdapter;
  30 import org.eclipse.swt.events.KeyEvent;
  31 import org.eclipse.swt.events.ModifyEvent;
  32 import org.eclipse.swt.events.ModifyListener;
  33 import org.eclipse.swt.events.SelectionAdapter;
  34 import org.eclipse.swt.events.SelectionEvent;
  35 import org.eclipse.swt.layout.GridData;
  36 import org.eclipse.swt.layout.GridLayout;
  37 import org.eclipse.swt.widgets.Button;
  38 import org.eclipse.swt.widgets.Composite;
  39 import org.eclipse.swt.widgets.Event;
  40 import org.eclipse.swt.widgets.FileDialog;
  41 import org.eclipse.swt.widgets.Group;
  42 import org.eclipse.swt.widgets.Label;
  43 import org.eclipse.swt.widgets.Listener;
  44 import org.eclipse.swt.widgets.Text;
  45 import org.eclipse.ui.PlatformUI;
  46
  47 /**
  48  * This class shows UI for creating resources.
  49  */
  50 public class CreateResourcePage extends WizardPage {
  51
  52     private Button stdResourceRbtn;
  53     private CCombo resourceTypeCmb;
  54     private Button cusResourceRbtn;
  55     private Text   locationTxt;
  56     private Button btnBrowse;
  57     private Text   noOfInstancesText;
  58     private Label  resourceTypeLbl;
  59     private Label  noOfInstancesLbl;
  60     private Label  locationLbl;
  61
  62     private String configFilePath = null;
  63     private int    resourceCount;
  64
  65     protected CreateResourcePage() {
  66         super("Create Resource");
  67         resourceCount = -1;
  68     }
  69
  70     @Override
  71     public void createControl(Composite parent) {
  72         setPageComplete(false);
  73         setTitle(Constants.CREATE_PAGE_TITLE);
  74         setMessage(Constants.CREATE_PAGE_MESSAGE);
  75         Composite compContent = new Composite(parent, SWT.NONE);
  76         GridLayout gridLayout = new GridLayout(1, false);
  77         compContent.setLayout(gridLayout);
  78         GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
  79         compContent.setLayoutData(gd);
  80
  81         Group configGroup = new Group(compContent, SWT.NONE);
  82         gridLayout = new GridLayout(1, false);
  83         gridLayout.verticalSpacing = 10;
  84         gridLayout.marginTop = 5;
  85         configGroup.setLayout(gridLayout);
  86         gd = new GridData();
  87         gd.horizontalAlignment = SWT.FILL;
  88         gd.grabExcessHorizontalSpace = true;
  89         configGroup.setLayoutData(gd);
  90         configGroup.setText("Configuration File Type");
  91
  92         stdResourceRbtn = new Button(configGroup, SWT.RADIO);
  93         stdResourceRbtn.setText("Standard Configuration");
  94
  95         Composite stdConfigComp = new Composite(configGroup, SWT.NONE);
  96         stdConfigComp.setLayout(new GridLayout(2, false));
  97         gd = new GridData();
  98         gd.horizontalAlignment = SWT.FILL;
  99         gd.grabExcessHorizontalSpace = true;
 100         stdConfigComp.setLayoutData(gd);
 101
 102         resourceTypeLbl = new Label(stdConfigComp, SWT.NONE);
 103         resourceTypeLbl.setText("ResourceType:");
 104         resourceTypeLbl.setEnabled(false);
 105
 106         resourceTypeCmb = new CCombo(stdConfigComp, SWT.READ_ONLY | SWT.BORDER);
 107         gd = new GridData();
 108         gd.widthHint = 150;
 109         resourceTypeCmb.setLayoutData(gd);
 110         resourceTypeCmb.setEnabled(false);
 111
 112         cusResourceRbtn = new Button(configGroup, SWT.RADIO);
 113         cusResourceRbtn.setText("Custom Configuration");
 114
 115         Composite cusConfigComp = new Composite(configGroup, SWT.NONE);
 116         cusConfigComp.setLayout(new GridLayout(3, false));
 117         gd = new GridData();
 118         gd.horizontalAlignment = SWT.FILL;
 119         gd.grabExcessHorizontalSpace = true;
 120         cusConfigComp.setLayoutData(gd);
 121
 122         locationLbl = new Label(cusConfigComp, SWT.NONE);
 123         locationLbl.setText("Location:");
 124         locationLbl.setEnabled(false);
 125
 126         locationTxt = new Text(cusConfigComp, SWT.BORDER);
 127         gd = new GridData();
 128         gd.minimumWidth = 300;
 129         gd.horizontalAlignment = SWT.FILL;
 130         gd.grabExcessHorizontalSpace = true;
 131         locationTxt.setLayoutData(gd);
 132         locationTxt.setEnabled(false);
 133
 134         btnBrowse = new Button(cusConfigComp, SWT.NONE);
 135         btnBrowse.setText("Browse");
 136         gd = new GridData();
 137         gd.widthHint = 80;
 138         gd.horizontalAlignment = SWT.FILL;
 139         btnBrowse.setLayoutData(gd);
 140         btnBrowse.setEnabled(false);
 141
 142         Composite instanceComp = new Composite(compContent, SWT.NONE);
 143         instanceComp.setLayout(new GridLayout(2, false));
 144         gd = new GridData();
 145         gd.horizontalAlignment = SWT.FILL;
 146         gd.grabExcessHorizontalSpace = true;
 147         instanceComp.setLayoutData(gd);
 148
 149         noOfInstancesLbl = new Label(instanceComp, SWT.NONE);
 150         noOfInstancesLbl.setText("Number of Instances");
 151
 152         noOfInstancesText = new Text(instanceComp, SWT.BORDER);
 153         gd = new GridData();
 154         gd.widthHint = 50;
 155         gd.horizontalAlignment = SWT.FILL;
 156         noOfInstancesText.setLayoutData(gd);
 157
 158         // Adding the default value. It can be changed by the user.
 159         noOfInstancesText.setText("1");
 160
 161         populateDataInUI();
 162
 163         addUIListeners();
 164
 165         setControl(compContent);
 166     }
 167
 168     private void populateDataInUI() {
 169         // Populate Resource-type in Combo
 170         populateResourceTypeCombo();
 171     }
 172
 173     private void populateResourceTypeCombo() {
 174         Map<String, String> configMap;
 175         configMap = Activator.getDefault().getResourceManager()
 176                 .getResourceConfigurationList();
 177         if (null != configMap) {
 178             Iterator<String> itr = configMap.keySet().iterator();
 179             String fileName;
 180             String shortName;
 181             while (itr.hasNext()) {
 182                 fileName = itr.next();
 183                 shortName = Utility.fileNameToDisplay(fileName);
 184                 if (null == shortName) {
 185                     continue;
 186                 }
 187                 resourceTypeCmb.add(shortName);
 188             }
 189         }
 190
 191         // By default, selecting the first item in the resourceType combo
 192         selectInitialItem();
 193     }
 194
 195     private void addUIListeners() {
 196         stdResourceRbtn.addSelectionListener(new SelectionAdapter() {
 197             @Override
 198             public void widgetSelected(SelectionEvent e) {
 199
 200                 // Set the configFilePath to the first item in the combo
 201                 selectInitialItem();
 202
 203                 setPageComplete(isSelectionDone());
 204
 205                 // Change the visibility of widgets
 206                 resourceTypeLbl.setEnabled(true);
 207                 resourceTypeCmb.setEnabled(true);
 208                 locationLbl.setEnabled(false);
 209                 locationTxt.setEnabled(false);
 210                 btnBrowse.setEnabled(false);
 211
 212             }
 213         });
 214
 215         cusResourceRbtn.addSelectionListener(new SelectionAdapter() {
 216             @Override
 217             public void widgetSelected(SelectionEvent e) {
 218                 setPageComplete(isSelectionDone());
 219
 220                 // Change the visibility of widgets
 221                 locationLbl.setEnabled(true);
 222                 locationTxt.setEnabled(true);
 223                 btnBrowse.setEnabled(true);
 224                 resourceTypeLbl.setEnabled(false);
 225                 resourceTypeCmb.setEnabled(false);
 226
 227             }
 228         });
 229
 230         btnBrowse.addSelectionListener(new SelectionAdapter() {
 231             @Override
 232             public void widgetSelected(SelectionEvent e) {
 233                 FileDialog fileDialog = new FileDialog(PlatformUI
 234                         .getWorkbench().getDisplay().getActiveShell(), SWT.NONE);
 235                 fileDialog
 236                         .setFilterExtensions(Constants.BROWSE_RAML_FILTER_EXTENSIONS);
 237                 String configFileAbsolutePath = fileDialog.open();
 238                 locationTxt.setText(configFileAbsolutePath);
 239             }
 240         });
 241
 242         resourceTypeCmb.addSelectionListener(new SelectionAdapter() {
 243             @Override
 244             public void widgetSelected(SelectionEvent e) {
 245                 int index = resourceTypeCmb.getSelectionIndex();
 246                 if (index >= 0) {
 247                     String selectedItem = resourceTypeCmb.getItem(index);
 248                     if (null != selectedItem) {
 249                         // Convert the selectedItem to the fully qualified file
 250                         // name.
 251                         selectedItem = Utility.displayToFileName(selectedItem);
 252
 253                         // Get the RAML configuration file path of the selected
 254                         // resource
 255                         configFilePath = Activator.getDefault()
 256                                 .getResourceManager()
 257                                 .getConfigFilePath(selectedItem);
 258
 259                         setPageComplete(isSelectionDone());
 260                     }
 261                 }
 262             }
 263         });
 264
 265         locationTxt.addModifyListener(new ModifyListener() {
 266             @Override
 267             public void modifyText(ModifyEvent e) {
 268                 configFilePath = locationTxt.getText();
 269                 setPageComplete(isSelectionDone());
 270             }
 271         });
 272
 273         noOfInstancesText.addListener(SWT.Verify, new Listener() {
 274             @Override
 275             public void handleEvent(Event e) {
 276                 String string = e.text;
 277                 char[] chars = new char[string.length()];
 278                 string.getChars(0, chars.length, chars, 0);
 279                 for (int i = 0; i < chars.length; i++) {
 280                     if (!('0' <= chars[i] && chars[i] <= '9')) {
 281                         e.doit = false;
 282                         return;
 283                     }
 284                 }
 285             }
 286         });
 287
 288         noOfInstancesText.addKeyListener(new KeyAdapter() {
 289             @Override
 290             public void keyReleased(KeyEvent e) {
 291                 setPageComplete(isSelectionDone());
 292             }
 293         });
 294     }
 295
 296     private void selectInitialItem() {
 297         if (resourceTypeCmb.getItemCount() > 0) {
 298             resourceTypeCmb.select(0);
 299             String fileName = Utility.displayToFileName(resourceTypeCmb
 300                     .getText());
 301             configFilePath = Activator.getDefault().getResourceManager()
 302                     .getConfigFilePath(fileName);
 303         }
 304     }
 305
 306     private boolean isSelectionDone() {
 307         boolean done = false;
 308         try {
 309             resourceCount = Integer.parseInt(noOfInstancesText.getText());
 310         } catch (Exception e) {
 311             resourceCount = -1;
 312         }
 313         if (cusResourceRbtn.getSelection()) {
 314             configFilePath = locationTxt.getText();
 315         }
 316
 317         if (null != configFilePath && configFilePath.length() > 0
 318                 && resourceCount >= 1) {
 319             done = true;
 320         }
 321         return done;
 322     }
 323
 324     public String getConfigFilePath() {
 325         return configFilePath;
 326     }
 327
 328     public int getResourceCount() {
 329         return resourceCount;
 330     }
 331 }