Use stack layout for tabbed area.

diff --git a/core/org.argeo.suite.ui/src/org/argeo/suite/ui/widgets/TabbedArea.java b/core/org.argeo.suite.ui/src/org/argeo/suite/ui/widgets/TabbedArea.java
index 63de5ffa312780cc3687aed7813d3c9a7331388f..cd0e3cdd9ce37c45ad28d88e4711152b981f90e5 100644 (file)
--- a/core/org.argeo.suite.ui/src/org/argeo/suite/ui/widgets/TabbedArea.java
+++ b/core/org.argeo.suite.ui/src/org/argeo/suite/ui/widgets/TabbedArea.java
@@ -11,8 +11,8 @@ import org.argeo.cms.ui.viewers.Section;
 import org.argeo.eclipse.ui.Selected;
 import org.argeo.jcr.Jcr;
 import org.eclipse.swt.SWT;
+import org.eclipse.swt.custom.StackLayout;
 import org.eclipse.swt.graphics.Image;
-import org.eclipse.swt.layout.FormLayout;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 import org.eclipse.swt.widgets.Button;
@@ -40,6 +40,10 @@ public class TabbedArea extends Composite {
        private String bodyStyle;
        private Image closeIcon;
 
+       private StackLayout stackLayout;
+
+       private boolean singleTab = false;
+
        public TabbedArea(Composite parent, int style) {
                super(parent, style);
                CmsUiUtils.style(parent, bodyStyle);
@@ -51,7 +55,9 @@ public class TabbedArea extends Composite {
                headers.setLayoutData(CmsUiUtils.fillWidth());
                body = new Composite(this, SWT.NONE);
                body.setLayoutData(CmsUiUtils.fillAll());
-               body.setLayout(new FormLayout());
+               // body.setLayout(new FormLayout());
+               stackLayout = new StackLayout();
+               body.setLayout(stackLayout);
                emptyState();
        }
 
@@ -77,7 +83,7 @@ public class TabbedArea extends Composite {
                        boolean selected = section == currentSection;
                        Composite sectionHeader = section.createHeader(headers);
                        CmsUiUtils.style(sectionHeader, selected ? tabSelectedStyle : tabStyle);
-                       int headerColumns = 2;
+                       int headerColumns = singleTab ? 1 : 2;
                        sectionHeader.setLayout(new GridLayout(headerColumns, false));
                        sectionHeader.setLayout(CmsUiUtils.noSpaceGridLayout(headerColumns));
                        Button title = new Button(sectionHeader, SWT.FLAT);
@@ -86,14 +92,16 @@ public class TabbedArea extends Composite {
                        title.addSelectionListener((Selected) (e) -> showTab(tabIndex(section.getNode())));
                        Node node = section.getNode();
                        title.setText(Jcr.getTitle(node));
-                       ToolBar toolBar = new ToolBar(sectionHeader, SWT.NONE);
-                       ToolItem closeItem = new ToolItem(toolBar, SWT.FLAT);
-                       if (closeIcon != null)
-                               closeItem.setImage(closeIcon);
-                       else
-                               closeItem.setText("X");
-                       CmsUiUtils.style(closeItem, selected ? tabSelectedStyle : tabStyle);
-                       closeItem.addSelectionListener((Selected) (e) -> closeTab(section));
+                       if (!singleTab) {
+                               ToolBar toolBar = new ToolBar(sectionHeader, SWT.NONE);
+                               ToolItem closeItem = new ToolItem(toolBar, SWT.FLAT);
+                               if (closeIcon != null)
+                                       closeItem.setImage(closeIcon);
+                               else
+                                       closeItem.setText("X");
+                               CmsUiUtils.style(closeItem, selected ? tabSelectedStyle : tabStyle);
+                               closeItem.addSelectionListener((Selected) (e) -> closeTab(section));
+                       }
                }
 
        }
@@ -118,15 +126,20 @@ public class TabbedArea extends Composite {
                }
                currentUiProvider = uiProvider;
                section.setNode(context);
-               section.setLayoutData(CmsUiUtils.coverAll());
+               // section.setLayoutData(CmsUiUtils.coverAll());
                build(section, uiProvider, context);
                if (sections.size() == 0)
                        sections.add(section);
                refreshTabHeaders();
+               index = tabIndex(context);
+               showTab(index);
                layout(true, true);
        }
 
        public void open(CmsUiProvider uiProvider, Node context) {
+               if (singleTab)
+                       throw new UnsupportedOperationException("Open is not supported in single tab mode.");
+
                if (previousNode != null && Jcr.getIdentifier(previousNode).equals(Jcr.getIdentifier(context))) {
                        // does nothing
                        return;
@@ -137,15 +150,18 @@ public class TabbedArea extends Composite {
                int currentIndex = sections.indexOf(currentSection);
                Section previousSection = new Section(body, SWT.NONE, context);
                build(previousSection, previousUiProvider, previousNode);
-               previousSection.setLayoutData(CmsUiUtils.coverAll());
-               sections.add(currentIndex + 1, previousSection);
+               // previousSection.setLayoutData(CmsUiUtils.coverAll());
+               int index = currentIndex + 1;
+               sections.add(index, previousSection);
+               showTab(index);
                refreshTabHeaders();
                layout(true, true);
        }
-       
+
        public void showTab(int index) {
                Section sectionToShow = sections.get(index);
-               sectionToShow.moveAbove(null);
+               // sectionToShow.moveAbove(null);
+               stackLayout.topControl = sectionToShow;
                refreshTabHeaders();
                layout(true, true);
        }
@@ -211,4 +227,9 @@ public class TabbedArea extends Composite {
        public void setCloseIcon(Image closeIcon) {
                this.closeIcon = closeIcon;
        }
+
+       public void setSingleTab(boolean singleTab) {
+               this.singleTab = singleTab;
+       }
+
 }