--- /dev/null
+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;
+ }
+
+}
--- /dev/null
+package org.argeo.cms.swt.widgets;
+
+import java.util.List;
+
+import org.argeo.cms.CmsMsg;
+import org.argeo.cms.swt.CmsSwtUtils;
+import org.argeo.cms.swt.Selected;
+import org.argeo.cms.swt.dialogs.LightweightDialog;
+import org.argeo.cms.ux.widgets.GuidedForm;
+import org.argeo.cms.ux.widgets.GuidedForm.Page;
+import org.argeo.eclipse.ui.EclipseUiUtils;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.layout.FormAttachment;
+import org.eclipse.swt.layout.FormData;
+import org.eclipse.swt.layout.FormLayout;
+import org.eclipse.swt.layout.GridData;
+import org.eclipse.swt.layout.GridLayout;
+import org.eclipse.swt.widgets.Button;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.Shell;
+
+/** A wizard dialog based on {@link LightweightDialog}. */
+public class SwtGuidedFormDialog extends LightweightDialog implements GuidedForm.View {
+ private GuidedForm guidedForm;
+ private GuidedForm.Page currentPage;
+ private int currentPageIndex;
+
+ private Label titleBar;
+ private Label message;
+ private Composite[] pageBodies;
+ private Composite buttons;
+ private Button back;
+ private Button next;
+ private Button finish;
+
+ public SwtGuidedFormDialog(Shell parentShell, GuidedForm guidedForm) {
+ super(parentShell);
+ this.guidedForm = guidedForm;
+ guidedForm.setView(this);
+ // create the pages
+ guidedForm.addPages();
+ for (Page page : guidedForm.getPages()) {
+ if (!(page instanceof SwtGuidedFormPage))
+ throw new IllegalArgumentException("Pages form must implement " + SwtGuidedFormPage.class);
+ }
+ currentPage = guidedForm.getStartingPage();
+ if (currentPage == null)
+ throw new IllegalArgumentException("At least one wizard page is required");
+ }
+
+ @Override
+ protected Control createDialogArea(Composite parent) {
+ updateWindowTitle();
+
+ Composite messageArea = new Composite(parent, SWT.NONE);
+ messageArea.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
+ {
+ messageArea.setLayout(CmsSwtUtils.noSpaceGridLayout(new GridLayout(2, false)));
+ titleBar = new Label(messageArea, SWT.WRAP);
+ titleBar.setFont(EclipseUiUtils.getBoldFont(parent));
+ titleBar.setLayoutData(new GridData(SWT.BEGINNING, SWT.FILL, true, false));
+ updateTitleBar();
+ Button cancelButton = new Button(messageArea, SWT.FLAT);
+ cancelButton.setText(CmsMsg.cancel.lead());
+ cancelButton.setLayoutData(new GridData(SWT.END, SWT.TOP, false, false, 1, 3));
+ cancelButton.addSelectionListener((Selected) (e) -> closeShell(CANCEL));
+ message = new Label(messageArea, SWT.WRAP);
+ message.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 1, 2));
+ updateMessage();
+ }
+
+ Composite body = new Composite(parent, SWT.BORDER);
+ body.setLayout(new FormLayout());
+ body.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
+ pageBodies = new Composite[guidedForm.getPageCount()];
+ List<GuidedForm.Page> pages = guidedForm.getPages();
+ for (int i = 0; i < pages.size(); i++) {
+ pageBodies[i] = new Composite(body, SWT.NONE);
+ pageBodies[i].setLayout(CmsSwtUtils.noSpaceGridLayout());
+ setSwitchingFormData(pageBodies[i]);
+ // !! SWT specific
+ SwtGuidedFormPage page = (SwtGuidedFormPage) pages.get(i);
+ page.createControl(pageBodies[i]);
+ }
+ showPage(currentPage);
+
+ buttons = new Composite(parent, SWT.NONE);
+ buttons.setLayoutData(new GridData(SWT.END, SWT.FILL, true, false));
+ {
+ boolean singlePage = guidedForm.getPageCount() == 1;
+ // singlePage = false;// dev
+ GridLayout layout = new GridLayout(singlePage ? 1 : 3, true);
+ layout.marginWidth = 0;
+ layout.marginHeight = 0;
+ buttons.setLayout(layout);
+ // TODO revert order for right-to-left languages
+
+ if (!singlePage) {
+ back = new Button(buttons, SWT.PUSH);
+ back.setText(CmsMsg.wizardBack.lead());
+ back.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));
+ back.addSelectionListener((Selected) (e) -> backPressed());
+
+ next = new Button(buttons, SWT.PUSH);
+ next.setText(CmsMsg.wizardNext.lead());
+ next.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));
+ next.addSelectionListener((Selected) (e) -> nextPressed());
+ }
+ finish = new Button(buttons, SWT.PUSH);
+ finish.setText(CmsMsg.wizardFinish.lead());
+ finish.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));
+ finish.addSelectionListener((Selected) (e) -> finishPressed());
+
+ updateButtons();
+ }
+ return body;
+ }
+
+ public GuidedForm.Page getCurrentPage() {
+ return currentPage;
+ }
+
+ public Shell getShell() {
+ return getForegoundShell();
+ }
+
+ public void showPage(GuidedForm.Page page) {
+ List<GuidedForm.Page> pages = guidedForm.getPages();
+ int index = -1;
+ for (int i = 0; i < pages.size(); i++) {
+ if (page == pages.get(i)) {
+ index = i;
+ break;
+ }
+ }
+ if (index < 0)
+ throw new IllegalArgumentException("Cannot find index of wizard page " + page);
+ pageBodies[index].moveAbove(pageBodies[currentPageIndex]);
+
+ // // clear
+ // for (Control c : body.getChildren())
+ // c.dispose();
+ // page.createControl(body);
+ // body.layout(true, true);
+ currentPageIndex = index;
+ currentPage = page;
+ }
+
+ @Override
+ public void updateButtons() {
+ if (back != null)
+ back.setEnabled(guidedForm.getPreviousPage(currentPage) != null);
+ if (next != null)
+ next.setEnabled(guidedForm.getNextPage(currentPage) != null && currentPage.canFlipToNextPage());
+ if (finish != null) {
+ finish.setEnabled(guidedForm.canFinish());
+ }
+ }
+
+ public void updateMessage() {
+ if (currentPage.getMessage() != null)
+ message.setText(currentPage.getMessage());
+ }
+
+ public void updateTitleBar() {
+ if (currentPage.getTitle() != null)
+ titleBar.setText(currentPage.getTitle());
+ }
+
+ public void updateWindowTitle() {
+ setTitle(guidedForm.getFormTitle());
+ }
+
+ protected boolean onCancel() {
+ return guidedForm.performCancel();
+ }
+
+ protected void nextPressed() {
+ GuidedForm.Page page = guidedForm.getNextPage(currentPage);
+ showPage(page);
+ updateButtons();
+ }
+
+ protected void backPressed() {
+ GuidedForm.Page page = guidedForm.getPreviousPage(currentPage);
+ showPage(page);
+ updateButtons();
+ }
+
+ protected void finishPressed() {
+ if (guidedForm.performFinish())
+ closeShell(OK);
+ }
+
+ private static void setSwitchingFormData(Composite composite) {
+ FormData fdLabel = new FormData();
+ fdLabel.top = new FormAttachment(0, 0);
+ fdLabel.left = new FormAttachment(0, 0);
+ fdLabel.right = new FormAttachment(100, 0);
+ fdLabel.bottom = new FormAttachment(100, 0);
+ composite.setLayoutData(fdLabel);
+ }
+
+}
projects / lgpl / argeo-commons.git / commitdiff