Introduce guided form to replace wizards

[lgpl/argeo-commons.git] / org.argeo.cms.ux / src / org / argeo / cms / ux / widgets / AbstractGuidedForm.java

diff --git a/org.argeo.cms.ux/src/org/argeo/cms/ux/widgets/AbstractGuidedForm.java b/org.argeo.cms.ux/src/org/argeo/cms/ux/widgets/AbstractGuidedForm.java
new file mode 100644 (file)
index 0000000..f1e89f1
--- /dev/null
+++ b/org.argeo.cms.ux/src/org/argeo/cms/ux/widgets/AbstractGuidedForm.java
@@ -0,0 +1,86 @@
+package org.argeo.cms.ux.widgets;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+
+public abstract class AbstractGuidedForm implements GuidedForm {
+       private String formTitle;
+       private List<Page> pages = new ArrayList<>();
+       private View view;
+
+       @Override
+       public abstract void addPages();
+
+       public void addPage(AbstractGuidedFormPage page) {
+               page.setView(view);
+               pages.add(page);
+       }
+
+       @Override
+       public boolean canFinish() {
+               return false;
+       }
+
+       @Override
+       public boolean performFinish() {
+               return false;
+       }
+
+       @Override
+       public boolean performCancel() {
+               return false;
+       }
+
+       @Override
+       public int getPageCount() {
+               return pages.size();
+       }
+
+       @Override
+       public List<Page> getPages() {
+               return Collections.unmodifiableList(pages);
+       }
+
+       @Override
+       public Page getStartingPage() {
+               if (pages.isEmpty())
+                       throw new IllegalStateException("No page available");
+               return pages.get(0);
+       }
+
+       @Override
+       public Page getPreviousPage(Page page) {
+               int index = pages.indexOf(page);
+               if (index == 0 || index == -1) {
+                       // first page or page not found
+                       return null;
+               }
+               return pages.get(index - 1);
+       }
+
+       @Override
+       public Page getNextPage(Page page) {
+               int index = pages.indexOf(page);
+               if (index == pages.size() - 1 || index == -1) {
+                       // last page or page not found
+                       return null;
+               }
+               return pages.get(index + 1);
+       }
+
+       public void setFormTitle(String formTitle) {
+               this.formTitle = formTitle;
+       }
+
+       @Override
+       public String getFormTitle() {
+               return formTitle;
+       }
+
+       @Override
+       public void setView(View view) {
+               this.view = view;
+       }
+
+}