+package org.argeo.suite.ui.widgets;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.jcr.Node;
+
+import org.argeo.cms.ui.CmsUiProvider;
+import org.argeo.cms.ui.util.CmsUiUtils;
+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.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;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Control;
+import org.eclipse.swt.widgets.Label;
+import org.eclipse.swt.widgets.ToolBar;
+import org.eclipse.swt.widgets.ToolItem;
+
+/** Manages {@link Section} in a tab-like structure. */
+public class TabbedArea extends Composite {
+ private static final long serialVersionUID = 8659669229482033444L;
+
+ private Composite headers;
+ private Composite body;
+
+ private List<Section> sections = new ArrayList<>();
+
+ private Node previousNode;
+ private CmsUiProvider previousUiProvider;
+ private CmsUiProvider currentUiProvider;
+
+ private String tabStyle;
+ private String tabSelectedStyle;
+ private String bodyStyle;
+ private Image closeIcon;
+
+ public TabbedArea(Composite parent, int style) {
+ super(parent, style);
+ CmsUiUtils.style(parent, bodyStyle);
+
+ setLayout(CmsUiUtils.noSpaceGridLayout());
+
+ // TODO manage tabs at bottom or sides
+ headers = new Composite(this, SWT.NONE);
+ headers.setLayoutData(CmsUiUtils.fillWidth());
+ // CmsUiUtils.style(headers, bodyStyle);
+ body = new Composite(this, SWT.NONE);
+ body.setLayoutData(CmsUiUtils.fillAll());
+ body.setLayout(new FormLayout());
+ emptyState();
+ }
+
+ protected void refreshTabHeaders() {
+ // TODO deal with initialisation better
+// CmsUiUtils.style(body, bodyStyle);
+
+// int tabCount = sections.size() > 0 ?(sections.size()>1?sections.size()+1:1) : 1;
+ int tabCount = sections.size() > 0 ? sections.size() : 1;
+ for (Control tab : headers.getChildren())
+ tab.dispose();
+
+// GridLayout headersGridLayout = new GridLayout(tabCount, true);
+// headersGridLayout.marginHeight=0;
+// headers.setLayout(headersGridLayout);
+ headers.setLayout(CmsUiUtils.noSpaceGridLayout(new GridLayout(tabCount, true)));
+
+ if (sections.size() == 0) {
+ Composite emptyHeader = new Composite(headers, SWT.NONE);
+ emptyHeader.setLayoutData(CmsUiUtils.fillAll());
+ emptyHeader.setLayout(new GridLayout());
+ Label lbl = new Label(emptyHeader, SWT.NONE);
+ lbl.setText("");
+ lbl.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, true, false));
+
+ }
+
+ Section currentSection = getCurrentSection();
+ for (Section section : sections) {
+ boolean selected = section == currentSection;
+ Composite sectionHeader = section.createHeader(headers);
+ CmsUiUtils.style(sectionHeader, selected ? tabSelectedStyle : tabStyle);
+ int headerColumns = 2;
+ sectionHeader.setLayout(new GridLayout(headerColumns, false));
+ sectionHeader.setLayout(CmsUiUtils.noSpaceGridLayout(headerColumns));
+ Button title = new Button(sectionHeader, SWT.FLAT);
+ CmsUiUtils.style(title, selected ? tabSelectedStyle : tabStyle);
+ title.setLayoutData(CmsUiUtils.fillWidth());
+ title.addSelectionListener((Selected) (e) -> showTab(tabIndex(section.getNode())));
+ Node node = section.getNode();
+ title.setText(Jcr.getTitle(node));
+ ToolBar toolBar = new ToolBar(sectionHeader, SWT.NONE);
+// CmsUiUtils.style(toolBar, selected ? tabSelectedStyle : tabStyle);
+ 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(sections.size()>1)
+// {
+// ToolBar toolBar = new ToolBar(headers, SWT.NONE);
+// CmsUiUtils.style(toolBar, tabStyle);
+// ToolItem closeAllItem = new ToolItem(toolBar, SWT.FLAT);
+// closeAllItem.setText("X");
+// }
+ }
+
+ public void view(CmsUiProvider uiProvider, Node context) {
+ if (body.isDisposed())
+ return;
+ int index = tabIndex(context);
+ if (index >= 0) {
+ showTab(index);
+ previousNode = context;
+ previousUiProvider = uiProvider;
+ return;
+ }
+ Section section = (Section) body.getChildren()[0];
+ previousNode = section.getNode();
+ if (previousNode == null) {// empty state
+ previousNode = context;
+ previousUiProvider = uiProvider;
+ } else {
+ previousUiProvider = currentUiProvider;
+ }
+ currentUiProvider = uiProvider;
+ section.setNode(context);
+ section.setLayoutData(CmsUiUtils.coverAll());
+ build(section, uiProvider, context);
+ if (sections.size() == 0)
+ sections.add(section);
+ refreshTabHeaders();
+ layout(true, true);
+ }
+
+ public void open(CmsUiProvider uiProvider, Node context) {
+// try {
+// if (openingTimer > 0)
+// Thread.sleep(openingTimer);
+// } catch (InterruptedException e) {
+// // silent
+// }
+
+ // int index = tabIndex(context);
+ if (previousNode != null && Jcr.getIdentifier(previousNode).equals(Jcr.getIdentifier(context))) {
+ // does nothing
+ return;
+ }
+ if (sections.size() == 0)
+ CmsUiUtils.clear(body);
+ Section currentSection = getCurrentSection();
+ int currentIndex = sections.indexOf(currentSection);
+ Section previousSection = new Section(body, SWT.NONE, context);
+ build(previousSection, previousUiProvider, previousNode);
+ previousSection.setLayoutData(CmsUiUtils.coverAll());
+// sections.remove(currentSection);
+ sections.add(currentIndex + 1, previousSection);
+// sections.add(currentSection);
+// nextCurrentSection.moveAbove(null);
+// if (previousNode != null) {
+// view(previousUiProvider, previousNode);
+// }
+ refreshTabHeaders();
+ layout(true, true);
+ }
+
+ public void showTab(int index) {
+ Section sectionToShow = sections.get(index);
+ sectionToShow.moveAbove(null);
+ refreshTabHeaders();
+ layout(true, true);
+ }
+
+ protected void build(Section section, CmsUiProvider uiProvider, Node context) {
+ for (Control child : section.getChildren())
+ child.dispose();
+ CmsUiUtils.style(section, bodyStyle);
+ section.setNode(context);
+ uiProvider.createUiPart(section, context);
+
+ }
+
+ private int tabIndex(Node node) {
+ for (int i = 0; i < sections.size(); i++) {
+ Section section = sections.get(i);
+ if (Jcr.getIdentifier(section.getNode()).equals(Jcr.getIdentifier(node)))
+ return i;
+ }
+ return -1;
+ }
+
+ public void closeTab(Section section) {
+ int currentIndex = sections.indexOf(section);
+ int nextIndex = currentIndex == 0 ? 0 : currentIndex - 1;
+ sections.remove(section);
+ section.dispose();
+ if (sections.size() == 0) {
+ emptyState();
+ refreshTabHeaders();
+ layout(true, true);
+ return;
+ }
+ refreshTabHeaders();
+ showTab(nextIndex);
+ }
+
+ protected void emptyState() {
+ new Section(body, SWT.NONE, null);
+ refreshTabHeaders();
+ }
+
+ public Composite getCurrent() {
+ return getCurrentSection();
+ }
+
+ protected Section getCurrentSection() {
+ return (Section) body.getChildren()[0];
+ }
+
+ public void setTabStyle(String tabStyle) {
+ this.tabStyle = tabStyle;
+ }
+
+ public void setTabSelectedStyle(String tabSelectedStyle) {
+ this.tabSelectedStyle = tabSelectedStyle;
+ }
+
+ public void setBodyStyle(String bodyStyle) {
+ this.bodyStyle = bodyStyle;
+ }
+
+ public void setCloseIcon(Image closeIcon) {
+ this.closeIcon = closeIcon;
+ }
+}
projects / gpl / argeo-suite.git / commitdiff