org.argeo.cms.ux/src/org/argeo/cms/ux/widgets/AbstractGuidedForm.java

   1 package org.argeo.cms.ux.widgets;
   2
   3 import java.util.ArrayList;
   4 import java.util.Collections;
   5 import java.util.List;
   6
   7 public abstract class AbstractGuidedForm implements GuidedForm {
   8         private String formTitle;
   9         private List<Page> pages = new ArrayList<>();
  10         private View view;
  11
  12         @Override
  13         public abstract void addPages();
  14
  15         public void addPage(AbstractGuidedFormPage page) {
  16                 page.setView(view);
  17                 pages.add(page);
  18         }
  19
  20         @Override
  21         public boolean canFinish() {
  22                 return false;
  23         }
  24
  25         @Override
  26         public boolean performFinish() {
  27                 return false;
  28         }
  29
  30         @Override
  31         public boolean performCancel() {
  32                 return false;
  33         }
  34
  35         @Override
  36         public int getPageCount() {
  37                 return pages.size();
  38         }
  39
  40         @Override
  41         public List<Page> getPages() {
  42                 return Collections.unmodifiableList(pages);
  43         }
  44
  45         @Override
  46         public Page getStartingPage() {
  47                 if (pages.isEmpty())
  48                         throw new IllegalStateException("No page available");
  49                 return pages.get(0);
  50         }
  51
  52         @Override
  53         public Page getPreviousPage(Page page) {
  54                 int index = pages.indexOf(page);
  55                 if (index == 0 || index == -1) {
  56                         // first page or page not found
  57                         return null;
  58                 }
  59                 return pages.get(index - 1);
  60         }
  61
  62         @Override
  63         public Page getNextPage(Page page) {
  64                 int index = pages.indexOf(page);
  65                 if (index == pages.size() - 1 || index == -1) {
  66                         // last page or page not found
  67                         return null;
  68                 }
  69                 return pages.get(index + 1);
  70         }
  71
  72         public void setFormTitle(String formTitle) {
  73                 this.formTitle = formTitle;
  74         }
  75
  76         @Override
  77         public String getFormTitle() {
  78                 return formTitle;
  79         }
  80
  81         @Override
  82         public void setView(View view) {
  83                 this.view = view;
  84         }
  85
  86 }