+++ /dev/null
-package org.argeo.cms.swt.acr;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import org.argeo.api.acr.Content;
-import org.argeo.api.acr.spi.ProvidedContent;
-import org.argeo.cms.swt.CmsSwtUtils;
-import org.argeo.cms.swt.Selected;
-import org.eclipse.swt.SWT;
-import org.eclipse.swt.custom.StackLayout;
-import org.eclipse.swt.graphics.Image;
-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 SwtSection} in a tab-like structure. */
-public class SwtTabbedArea extends Composite {
- private static final long serialVersionUID = 8659669229482033444L;
-
- private Composite headers;
- private Composite body;
-
- private List<SwtSection> sections = new ArrayList<>();
-
- private ProvidedContent previousNode;
- private SwtUiProvider previousUiProvider;
- private SwtUiProvider currentUiProvider;
-
- private String tabStyle;
- private String tabSelectedStyle;
- private String bodyStyle;
- private Image closeIcon;
-
- private StackLayout stackLayout;
-
- private boolean singleTab = false;
-
- public SwtTabbedArea(Composite parent, int style) {
- super(parent, SWT.NONE);
- CmsSwtUtils.style(parent, bodyStyle);
-
- setLayout(CmsSwtUtils.noSpaceGridLayout());
-
- // TODO manage tabs at bottom or sides
- headers = new Composite(this, SWT.NONE);
- headers.setLayoutData(CmsSwtUtils.fillWidth());
- body = new Composite(this, SWT.NONE);
- body.setLayoutData(CmsSwtUtils.fillAll());
- // body.setLayout(new FormLayout());
- stackLayout = new StackLayout();
- body.setLayout(stackLayout);
- emptyState();
- }
-
- protected void refreshTabHeaders() {
- int tabCount = sections.size() > 0 ? sections.size() : 1;
- for (Control tab : headers.getChildren())
- tab.dispose();
-
- headers.setLayout(CmsSwtUtils.noSpaceGridLayout(new GridLayout(tabCount, true)));
-
- if (sections.size() == 0) {
- Composite emptyHeader = new Composite(headers, SWT.NONE);
- emptyHeader.setLayoutData(CmsSwtUtils.fillAll());
- emptyHeader.setLayout(new GridLayout());
- Label lbl = new Label(emptyHeader, SWT.NONE);
- lbl.setText("");
- lbl.setLayoutData(new GridData(SWT.CENTER, SWT.CENTER, true, false));
-
- }
-
- SwtSection currentSection = getCurrentSection();
- for (SwtSection section : sections) {
- boolean selected = section == currentSection;
- Composite sectionHeader = section.createHeader(headers);
- CmsSwtUtils.style(sectionHeader, selected ? tabSelectedStyle : tabStyle);
- int headerColumns = singleTab ? 1 : 2;
- sectionHeader.setLayout(new GridLayout(headerColumns, false));
- sectionHeader.setLayout(CmsSwtUtils.noSpaceGridLayout(headerColumns));
- Button title = new Button(sectionHeader, SWT.FLAT);
- CmsSwtUtils.style(title, selected ? tabSelectedStyle : tabStyle);
- title.setLayoutData(CmsSwtUtils.fillWidth());
- title.addSelectionListener((Selected) (e) -> showTab(tabIndex(section.getNode())));
- Content node = section.getContent();
-
- // FIXME find a standard way to display titles
- String titleStr = node.getName().getLocalPart();
-
- // TODO internationalize
- title.setText(titleStr);
- 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");
- CmsSwtUtils.style(closeItem, selected ? tabSelectedStyle : tabStyle);
- closeItem.addSelectionListener((Selected) (e) -> closeTab(section));
- }
- }
-
- }
-
- public void view(SwtUiProvider uiProvider, Content context) {
- if (body.isDisposed())
- return;
- int index = tabIndex(context);
- if (index >= 0) {
- showTab(index);
- previousNode = (ProvidedContent) context;
- previousUiProvider = uiProvider;
- return;
- }
- SwtSection section = (SwtSection) body.getChildren()[0];
- previousNode = (ProvidedContent) section.getNode();
- if (previousNode == null) {// empty state
- previousNode = (ProvidedContent) context;
- previousUiProvider = uiProvider;
- } else {
- previousUiProvider = currentUiProvider;
- }
- currentUiProvider = uiProvider;
- section.setContent(context);
- // 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(SwtUiProvider uiProvider, Content context) {
- if (singleTab)
- throw new UnsupportedOperationException("Open is not supported in single tab mode.");
-
- if (previousNode != null
- && previousNode.getSessionLocalId().equals(((ProvidedContent) context).getSessionLocalId())) {
- // does nothing
- return;
- }
- if (sections.size() == 0)
- CmsSwtUtils.clear(body);
- SwtSection currentSection = getCurrentSection();
- int currentIndex = sections.indexOf(currentSection);
- SwtSection previousSection = new SwtSection(body, SWT.NONE, context);
- build(previousSection, previousUiProvider, previousNode);
- // previousSection.setLayoutData(CmsUiUtils.coverAll());
- int newIndex = currentIndex + 1;
- sections.add(currentIndex, previousSection);
-// sections.add(newIndex, previousSection);
- showTab(newIndex);
- refreshTabHeaders();
- layout(true, true);
- }
-
- public void showTab(int index) {
- SwtSection sectionToShow = sections.get(index);
- // sectionToShow.moveAbove(null);
- stackLayout.topControl = sectionToShow;
- refreshTabHeaders();
- layout(true, true);
- }
-
- protected void build(SwtSection section, SwtUiProvider uiProvider, Content context) {
- for (Control child : section.getChildren())
- child.dispose();
- CmsSwtUtils.style(section, bodyStyle);
- section.setContent(context);
- uiProvider.createUiPart(section, context);
-
- }
-
- private int tabIndex(Content context) {
- for (int i = 0; i < sections.size(); i++) {
- SwtSection section = sections.get(i);
- if (section.getSessionLocalId().equals(((ProvidedContent) context).getSessionLocalId()))
- return i;
- }
- return -1;
- }
-
- public void closeTab(SwtSection 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);
- }
-
- public void closeAllTabs() {
- for (SwtSection section : sections) {
- section.dispose();
- }
- sections.clear();
- emptyState();
- refreshTabHeaders();
- layout(true, true);
- }
-
- protected void emptyState() {
- new SwtSection(body, SWT.NONE, null);
- refreshTabHeaders();
- }
-
- public Composite getCurrent() {
- return getCurrentSection();
- }
-
- protected SwtSection getCurrentSection() {
- return (SwtSection) stackLayout.topControl;
- }
-
- public Content getCurrentContext() {
- SwtSection section = getCurrentSection();
- if (section != null) {
- return section.getNode();
- } else {
- return null;
- }
- }
-
- 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;
- }
-
- public void setSingleTab(boolean singleTab) {
- this.singleTab = singleTab;
- }
-
-}
projects / lgpl / argeo-commons.git / blobdiff