org.argeo.cms.ui/src/org/argeo/cms/ui/dialogs/CmsWizardDialog.java

   1 package org.argeo.cms.ui.dialogs;
   2
   3 import java.lang.reflect.InvocationTargetException;
   4
   5 import org.argeo.cms.CmsException;
   6 import org.argeo.cms.util.CmsUtils;
   7 import org.argeo.eclipse.ui.EclipseUiUtils;
   8 import org.argeo.eclipse.ui.Selected;
   9 import org.argeo.eclipse.ui.dialogs.LightweightDialog;
  10 import org.eclipse.jface.operation.IRunnableWithProgress;
  11 import org.eclipse.jface.wizard.IWizard;
  12 import org.eclipse.jface.wizard.IWizardContainer2;
  13 import org.eclipse.jface.wizard.IWizardPage;
  14 import org.eclipse.swt.SWT;
  15 import org.eclipse.swt.layout.GridData;
  16 import org.eclipse.swt.layout.GridLayout;
  17 import org.eclipse.swt.widgets.Button;
  18 import org.eclipse.swt.widgets.Composite;
  19 import org.eclipse.swt.widgets.Control;
  20 import org.eclipse.swt.widgets.Label;
  21 import org.eclipse.swt.widgets.Shell;
  22
  23 public class CmsWizardDialog extends LightweightDialog implements IWizardContainer2 {
  24         private static final long serialVersionUID = -2123153353654812154L;
  25
  26         private IWizard wizard;
  27         private IWizardPage currentPage;
  28
  29         private Label titleBar;
  30         private Label message;
  31         private Composite body;
  32         private Composite buttons;
  33         private Button back;
  34         private Button next;
  35         private Button finish;
  36
  37         public CmsWizardDialog(Shell parentShell, IWizard wizard) {
  38                 super(parentShell);
  39                 this.wizard = wizard;
  40                 wizard.setContainer(this);
  41                 // create the pages
  42                 wizard.addPages();
  43                 currentPage = wizard.getStartingPage();
  44                 if (currentPage == null)
  45                         throw new CmsException("At least one wizard page is required");
  46         }
  47
  48         @Override
  49         protected Control createDialogArea(Composite parent) {
  50                 updateWindowTitle();
  51
  52                 Composite messageArea = new Composite(parent, SWT.NONE);
  53                 messageArea.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false));
  54                 {
  55                         messageArea.setLayout(CmsUtils.noSpaceGridLayout(new GridLayout(2, false)));
  56                         titleBar = new Label(messageArea, SWT.WRAP);
  57                         titleBar.setFont(EclipseUiUtils.getBoldFont(parent));
  58                         titleBar.setLayoutData(new GridData(SWT.BEGINNING, SWT.FILL, true, false));
  59                         updateTitleBar();
  60                         Button cancelButton = new Button(messageArea, SWT.FLAT);
  61                         cancelButton.setText("Cancel");
  62                         cancelButton.setLayoutData(new GridData(SWT.END, SWT.TOP, false, false, 1, 3));
  63                         cancelButton.addSelectionListener((Selected) (e) -> closeShell(CANCEL));
  64                         message = new Label(messageArea, SWT.WRAP);
  65                         message.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false, 1, 2));
  66                         updateMessage();
  67                 }
  68
  69                 body = new Composite(parent, SWT.BORDER);
  70                 body.setLayout(CmsUtils.noSpaceGridLayout());
  71                 body.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
  72                 showPage(currentPage);
  73
  74                 buttons = new Composite(parent, SWT.NONE);
  75                 buttons.setLayoutData(new GridData(SWT.END, SWT.FILL, true, false));
  76                 {
  77                         boolean singlePage = wizard.getPageCount() == 1;
  78                         // singlePage = false;// dev
  79                         GridLayout layout = new GridLayout(singlePage ? 1 : 3, true);
  80                         layout.marginWidth = 0;
  81                         layout.marginHeight = 0;
  82                         buttons.setLayout(layout);
  83                         // TODO revert order for right-to-left languages
  84
  85                         if (!singlePage) {
  86                                 back = new Button(buttons, SWT.PUSH);
  87                                 back.setText("Back");
  88                                 back.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));
  89                                 back.addSelectionListener((Selected) (e) -> backPressed());
  90
  91                                 next = new Button(buttons, SWT.PUSH);
  92                                 next.setText("Next");
  93                                 next.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));
  94                                 next.addSelectionListener((Selected) (e) -> nextPressed());
  95                         }
  96                         finish = new Button(buttons, SWT.PUSH);
  97                         finish.setText("Finish");
  98                         finish.setLayoutData(new GridData(SWT.FILL, SWT.FILL, false, false));
  99                         finish.addSelectionListener((Selected) (e) -> finishPressed());
 100
 101                         updateButtons();
 102                 }
 103                 return body;
 104         }
 105
 106         @Override
 107         public IWizardPage getCurrentPage() {
 108                 return currentPage;
 109         }
 110
 111         @Override
 112         public Shell getShell() {
 113                 return getForegoundShell();
 114         }
 115
 116         @Override
 117         public void showPage(IWizardPage page) {
 118                 // clear
 119                 for (Control c : body.getChildren())
 120                         c.dispose();
 121                 page.createControl(body);
 122                 currentPage = page;
 123         }
 124
 125         @Override
 126         public void updateButtons() {
 127                 if (back != null)
 128                         back.setEnabled(wizard.getPreviousPage(currentPage) != null);
 129                 if (next != null)
 130                         next.setEnabled(wizard.getNextPage(currentPage) != null && currentPage.canFlipToNextPage());
 131                 finish.setEnabled(wizard.canFinish());
 132         }
 133
 134         @Override
 135         public void updateMessage() {
 136                 if (currentPage.getMessage() != null)
 137                         message.setText(currentPage.getMessage());
 138         }
 139
 140         @Override
 141         public void updateTitleBar() {
 142                 if (currentPage.getTitle() != null)
 143                         titleBar.setText(currentPage.getTitle());
 144         }
 145
 146         @Override
 147         public void updateWindowTitle() {
 148                 setTitle(wizard.getWindowTitle());
 149         }
 150
 151         @Override
 152         public void run(boolean fork, boolean cancelable, IRunnableWithProgress runnable)
 153                         throws InvocationTargetException, InterruptedException {
 154                 runnable.run(null);
 155         }
 156
 157         @Override
 158         public void updateSize() {
 159                 // TODO pack?
 160         }
 161
 162         protected boolean onCancel() {
 163                 return wizard.performCancel();
 164         }
 165
 166         protected void nextPressed() {
 167                 IWizardPage page = wizard.getNextPage(currentPage);
 168                 showPage(page);
 169         }
 170
 171         protected void backPressed() {
 172                 IWizardPage page = wizard.getPreviousPage(currentPage);
 173                 showPage(page);
 174         }
 175
 176         protected void finishPressed() {
 177                 if (wizard.performFinish())
 178                         closeShell(OK);
 179         }
 180 }