service/simulator/java/eclipse-plugin/ServiceProviderPlugin/src/oic/simulator/serviceprovider/view/dialogs/DeleteResourcePage.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.List;
  21
  22 import oic.simulator.serviceprovider.Activator;
  23 import oic.simulator.serviceprovider.resource.DeleteCategory;
  24 import oic.simulator.serviceprovider.utils.Constants;
  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.ModifyEvent;
  30 import org.eclipse.swt.events.ModifyListener;
  31 import org.eclipse.swt.events.SelectionAdapter;
  32 import org.eclipse.swt.events.SelectionEvent;
  33 import org.eclipse.swt.layout.GridData;
  34 import org.eclipse.swt.layout.GridLayout;
  35 import org.eclipse.swt.widgets.Button;
  36 import org.eclipse.swt.widgets.Composite;
  37 import org.eclipse.swt.widgets.Group;
  38 import org.eclipse.swt.widgets.Text;
  39
  40 /**
  41  * This class shows UI for deleting resources.
  42  */
  43 public class DeleteResourcePage extends WizardPage {
  44
  45     private Button         allRbtn;
  46     private Button         byTypeRbtn;
  47     private Button         byUriRbtn;
  48
  49     private CCombo         resourceTypeCmb;
  50     private Text           resourceUriTxt;
  51
  52     private DeleteCategory deleteCategory;
  53
  54     // It will hold either the resource type or resource uri
  55     private String         deleteCandidate;
  56
  57     protected DeleteResourcePage() {
  58         super("Delete Resource");
  59     }
  60
  61     @Override
  62     public void createControl(Composite parent) {
  63         setPageComplete(false);
  64         setTitle(Constants.DELETE_PAGE_TITLE);
  65         setMessage(Constants.DELETE_PAGE_MESSAGE);
  66
  67         Composite compContent = new Composite(parent, SWT.NONE);
  68         compContent.setLayout(new GridLayout(1, false));
  69         GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
  70         compContent.setLayoutData(gd);
  71
  72         Group group = new Group(compContent, SWT.NONE);
  73         group.setText("Select Category");
  74         GridLayout gridLayout = new GridLayout(2, false);
  75         gridLayout.verticalSpacing = 15;
  76         gridLayout.marginTop = 10;
  77         gridLayout.marginLeft = 10;
  78         group.setLayout(gridLayout);
  79         gd = new GridData(SWT.FILL, SWT.FILL, true, true);
  80         group.setLayoutData(gd);
  81
  82         allRbtn = new Button(group, SWT.RADIO);
  83         allRbtn.setText("All resources");
  84         gd = new GridData();
  85         gd.horizontalSpan = 2;
  86         gd.widthHint = 200;
  87         allRbtn.setLayoutData(gd);
  88
  89         byTypeRbtn = new Button(group, SWT.RADIO);
  90         byTypeRbtn.setText("All (By resource type)");
  91         gd = new GridData();
  92         gd.widthHint = 200;
  93         byTypeRbtn.setLayoutData(gd);
  94
  95         resourceTypeCmb = new CCombo(group, SWT.READ_ONLY | SWT.BORDER);
  96         gd = new GridData();
  97         gd.widthHint = 200;
  98         resourceTypeCmb.setLayoutData(gd);
  99
 100         byUriRbtn = new Button(group, SWT.RADIO);
 101         byUriRbtn.setText("By Resource URI");
 102         gd = new GridData();
 103         gd.widthHint = 200;
 104         byUriRbtn.setLayoutData(gd);
 105
 106         resourceUriTxt = new Text(group, SWT.BORDER);
 107         gd = new GridData();
 108         gd.widthHint = 300;
 109         resourceUriTxt.setLayoutData(gd);
 110
 111         // Setting the initial visibility of controls
 112         allRbtn.setSelection(false);
 113         byTypeRbtn.setSelection(false);
 114         byUriRbtn.setSelection(false);
 115
 116         resourceTypeCmb.setEnabled(false);
 117         resourceUriTxt.setEnabled(false);
 118
 119         deleteCategory = DeleteCategory.NONE;
 120
 121         populateDataInUI();
 122
 123         addUIListeners();
 124
 125         setControl(compContent);
 126     }
 127
 128     private void populateDataInUI() {
 129         // Populate Resourcetype in Combo
 130         populateResourceTypeCombo();
 131     }
 132
 133     private void populateResourceTypeCombo() {
 134         List<String> resourceTypeList;
 135         resourceTypeList = Activator.getDefault().getResourceManager()
 136                 .getResourceTypeList();
 137         if (null != resourceTypeList) {
 138             Iterator<String> itr = resourceTypeList.iterator();
 139             while (itr.hasNext()) {
 140                 resourceTypeCmb.add(itr.next());
 141             }
 142         }
 143
 144         // By default, select the first item in the combo
 145         if (resourceTypeCmb.getItemCount() > 0) {
 146             resourceTypeCmb.select(0);
 147             deleteCandidate = resourceTypeCmb.getText();
 148         }
 149     }
 150
 151     public void addUIListeners() {
 152         allRbtn.addSelectionListener(new SelectionAdapter() {
 153             @Override
 154             public void widgetSelected(SelectionEvent e) {
 155                 // Update the visibility of controls
 156                 resourceTypeCmb.setEnabled(false);
 157                 resourceUriTxt.setEnabled(false);
 158
 159                 deleteCategory = DeleteCategory.ALL;
 160                 deleteCandidate = null;
 161                 setPageComplete(isSelectionDone());
 162             }
 163         });
 164
 165         byTypeRbtn.addSelectionListener(new SelectionAdapter() {
 166             @Override
 167             public void widgetSelected(SelectionEvent e) {
 168                 // Update the visibility of controls
 169                 resourceTypeCmb.setEnabled(true);
 170                 resourceUriTxt.setEnabled(false);
 171
 172                 deleteCategory = DeleteCategory.BY_TYPE;
 173                 setPageComplete(isSelectionDone());
 174             }
 175         });
 176
 177         byUriRbtn.addSelectionListener(new SelectionAdapter() {
 178             @Override
 179             public void widgetSelected(SelectionEvent e) {
 180                 // Update the visibility of controls
 181                 resourceUriTxt.setEnabled(true);
 182                 resourceUriTxt.setFocus();
 183                 resourceTypeCmb.setEnabled(false);
 184
 185                 deleteCategory = DeleteCategory.BY_URI;
 186                 setPageComplete(isSelectionDone());
 187             }
 188         });
 189
 190         resourceTypeCmb.addModifyListener(new ModifyListener() {
 191             @Override
 192             public void modifyText(ModifyEvent arg0) {
 193                 setPageComplete(isSelectionDone());
 194             }
 195         });
 196
 197         resourceUriTxt.addModifyListener(new ModifyListener() {
 198             @Override
 199             public void modifyText(ModifyEvent arg0) {
 200                 setPageComplete(isSelectionDone());
 201             }
 202         });
 203     }
 204
 205     public boolean isSelectionDone() {
 206         boolean done = false;
 207         if (deleteCategory == DeleteCategory.ALL) {
 208             done = true;
 209         } else if (deleteCategory == DeleteCategory.BY_TYPE) {
 210             int selectedItemIndex = resourceTypeCmb.getSelectionIndex();
 211             if (selectedItemIndex >= 0) {
 212                 deleteCandidate = resourceTypeCmb.getItem(selectedItemIndex);
 213                 if (null != deleteCandidate && deleteCandidate.length() > 0) {
 214                     done = true;
 215                 }
 216             }
 217         } else if (deleteCategory == DeleteCategory.BY_URI) {
 218             deleteCandidate = resourceUriTxt.getText();
 219             if (null != deleteCandidate && deleteCandidate.length() > 0) {
 220                 done = true;
 221             }
 222         }
 223         return done;
 224     }
 225
 226     public DeleteCategory getDeleteCategory() {
 227         return deleteCategory;
 228     }
 229
 230     public String getDeleteCandidate() {
 231         return deleteCandidate;
 232     }
 233
 234     public void setFocusToTextBox() {
 235         resourceUriTxt.setFocus();
 236     }
 237 }