| /******************************************************************************* |
| * Copyright (c) 2008, 2017 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.pde.internal.ua.ui.editor.ctxhelp; |
| |
| import java.util.ArrayList; |
| import java.util.Iterator; |
| |
| import org.eclipse.core.filesystem.EFS; |
| import org.eclipse.core.filesystem.IFileStore; |
| import org.eclipse.core.resources.IFile; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.IWorkspaceRoot; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.jdt.ui.JavaUI; |
| import org.eclipse.jface.action.ControlContribution; |
| import org.eclipse.jface.action.IToolBarManager; |
| import org.eclipse.jface.viewers.ISelection; |
| import org.eclipse.jface.viewers.IStructuredSelection; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.wizard.WizardDialog; |
| import org.eclipse.pde.core.IModel; |
| import org.eclipse.pde.internal.core.WorkspaceModelManager; |
| import org.eclipse.pde.internal.ua.core.ctxhelp.text.CtxHelpMarkerManager; |
| import org.eclipse.pde.internal.ua.core.ctxhelp.text.CtxHelpModel; |
| import org.eclipse.pde.internal.ua.core.ctxhelp.text.CtxHelpObject; |
| import org.eclipse.pde.internal.ua.core.ctxhelp.text.CtxHelpTopic; |
| import org.eclipse.pde.internal.ua.ui.IConstants; |
| import org.eclipse.pde.internal.ua.ui.PDEUserAssistanceUIPlugin; |
| import org.eclipse.pde.internal.ua.ui.wizards.ctxhelp.RegisterCtxHelpWizard; |
| import org.eclipse.pde.internal.ui.editor.ISortableContentOutlinePage; |
| import org.eclipse.pde.internal.ui.editor.MultiSourceEditor; |
| import org.eclipse.pde.internal.ui.editor.PDEFormEditor; |
| import org.eclipse.pde.internal.ui.editor.PDESourcePage; |
| import org.eclipse.pde.internal.ui.editor.context.InputContext; |
| import org.eclipse.pde.internal.ui.editor.context.InputContextManager; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.ui.*; |
| import org.eclipse.ui.forms.editor.IFormPage; |
| import org.eclipse.ui.forms.events.HyperlinkEvent; |
| import org.eclipse.ui.forms.events.IHyperlinkListener; |
| import org.eclipse.ui.forms.widgets.ImageHyperlink; |
| import org.eclipse.ui.ide.FileStoreEditorInput; |
| import org.eclipse.ui.part.IShowInSource; |
| import org.eclipse.ui.part.IShowInTargetList; |
| import org.eclipse.ui.part.ShowInContext; |
| |
| /** |
| * Main UI class for the context help editor. This editor provides a convenient way to |
| * explore and edit the xml files containing context help entries. The editor will |
| * have two pages, one displaying the xml source, the other displaying a form editor. |
| * @since 3.4 |
| * @see CtxHelpSourcePage |
| * @see CtxHelpPage |
| */ |
| public class CtxHelpEditor extends MultiSourceEditor { |
| |
| public CtxHelpEditor() { |
| super(); |
| } |
| |
| @Override |
| protected String getEditorID() { |
| return IConstants.CONTEXT_HELP_EDITOR_ID; |
| } |
| |
| @Override |
| public <T> T getAdapter(Class<T> adapter) { |
| if (adapter == IShowInSource.class) { |
| if (inUiThread() && isShowInApplicable()) { |
| return adapter.cast(getShowInSource()); |
| } |
| } |
| if (adapter == IShowInTargetList.class) { |
| return adapter.cast(getShowInTargetList()); |
| } |
| return super.getAdapter(adapter); |
| } |
| |
| /** |
| * @return return whether the current thread is the UI thread |
| */ |
| private boolean inUiThread() { |
| Display display = getSite().getWorkbenchWindow().getWorkbench().getDisplay(); |
| if (display != null && !display.isDisposed()) { |
| return display.getThread() == Thread.currentThread(); |
| } |
| return false; |
| } |
| |
| /** |
| * @return whether there is a selection that requires the "Show In" menu to be available |
| */ |
| private boolean isShowInApplicable() { |
| if (getSelection().isEmpty()) { |
| return false; |
| } |
| if (getSelection() instanceof IStructuredSelection) { |
| IStructuredSelection selection = (IStructuredSelection) getSelection(); |
| for (Iterator<?> iter = selection.iterator(); iter.hasNext();) { |
| Object obj = iter.next(); |
| if (obj instanceof CtxHelpTopic && ((CtxHelpTopic) obj).getLocation() != null) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| /** |
| * Returns the <code>IShowInSource</code> for this editor. |
| * @return the <code>IShowInSource</code> |
| */ |
| private IShowInSource getShowInSource() { |
| return () -> { |
| ArrayList<IResource> resourceList = new ArrayList<>(); |
| IStructuredSelection selection = (IStructuredSelection) getSelection(); |
| IStructuredSelection resources; |
| if (selection.isEmpty()) { |
| resources = null; |
| } else { |
| IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot(); |
| for (Iterator<?> iter = selection.iterator(); iter.hasNext();) { |
| Object obj = iter.next(); |
| if (obj instanceof CtxHelpTopic) { |
| IPath path = ((CtxHelpTopic) obj).getLocation(); |
| if (path != null && !path.isEmpty()) { |
| CtxHelpModel model = (CtxHelpModel) getAggregateModel(); |
| IPath pluginPath = model.getUnderlyingResource().getProject().getFullPath(); |
| IResource resource = root.findMember(pluginPath.append(path)); |
| if (resource != null) { |
| resourceList.add(resource); |
| } |
| } |
| } |
| } |
| resources = new StructuredSelection(resourceList); |
| } |
| return new ShowInContext(null, resources); |
| }; |
| } |
| |
| /** |
| * Returns the <code>IShowInTargetList</code> for this editor. |
| * @return the <code>IShowInTargetList</code> |
| */ |
| private IShowInTargetList getShowInTargetList() { |
| return () -> new String[] { JavaUI.ID_PACKAGES, IPageLayout.ID_PROJECT_EXPLORER }; |
| } |
| |
| @Override |
| public boolean isSaveAsAllowed() { |
| return true; |
| } |
| |
| @Override |
| public String getContextIDForSaveAs() { |
| return CtxHelpInputContext.CONTEXT_ID; |
| } |
| |
| @Override |
| protected void addEditorPages() { |
| try { |
| addPage(new CtxHelpPage(this)); |
| } catch (PartInitException e) { |
| PDEUserAssistanceUIPlugin.logException(e); |
| } |
| addSourcePage(CtxHelpInputContext.CONTEXT_ID); |
| } |
| |
| @Override |
| protected ISortableContentOutlinePage createContentOutline() { |
| return new CtxHelpFormOutlinePage(this); |
| } |
| |
| @Override |
| protected InputContextManager createInputContextManager() { |
| return new CtxHelpInputContextManager(this); |
| } |
| |
| @Override |
| protected void createResourceContexts(InputContextManager contexts, IFileEditorInput input) { |
| contexts.putContext(input, new CtxHelpInputContext(this, input, true)); |
| contexts.monitorFile(input.getFile()); |
| } |
| |
| @Override |
| protected void createStorageContexts(InputContextManager contexts, IStorageEditorInput input) { |
| contexts.putContext(input, new CtxHelpInputContext(this, input, true)); |
| } |
| |
| @Override |
| protected void createSystemFileContexts(InputContextManager contexts, FileStoreEditorInput input) { |
| try { |
| IFileStore store = EFS.getStore(input.getURI()); |
| IEditorInput in = new FileStoreEditorInput(store); |
| contexts.putContext(in, new CtxHelpInputContext(this, in, true)); |
| } catch (CoreException e) { |
| PDEUserAssistanceUIPlugin.logException(e); |
| } |
| } |
| |
| @Override |
| public void editorContextAdded(InputContext context) { |
| // Add the source page |
| addSourcePage(context.getId()); |
| } |
| |
| @Override |
| protected InputContext getInputContext(Object object) { |
| return fInputContextManager.findContext(CtxHelpInputContext.CONTEXT_ID); |
| } |
| |
| @Override |
| public void contextRemoved(InputContext context) { |
| close(false); |
| } |
| |
| @Override |
| public void monitoredFileAdded(IFile monitoredFile) { |
| // NO-OP |
| } |
| |
| @Override |
| public boolean monitoredFileRemoved(IFile monitoredFile) { |
| return true; |
| } |
| |
| @Override |
| public ISelection getSelection() { |
| IFormPage formPage = getActivePageInstance(); |
| if ((formPage != null) && (formPage instanceof CtxHelpPage)) { |
| // Synchronizes the selection made in the master tree view with the |
| // selection in the outline view when the link with editor button |
| // is toggled on |
| return ((CtxHelpPage) formPage).getSelection(); |
| } |
| return super.getSelection(); |
| } |
| |
| @Override |
| public boolean canCut(ISelection selection) { |
| if (selection instanceof IStructuredSelection) { |
| IStructuredSelection sel = (IStructuredSelection) selection; |
| for (Iterator<?> iter = sel.iterator(); iter.hasNext();) { |
| Object obj = iter.next(); |
| if (obj instanceof CtxHelpObject && ((CtxHelpObject) obj).canBeRemoved()) { |
| return canCopy(selection); |
| } |
| } |
| } |
| return false; |
| } |
| |
| @Override |
| protected PDESourcePage createSourcePage(PDEFormEditor editor, String title, String name, String contextId) { |
| return new CtxHelpSourcePage(editor, title, name); |
| } |
| |
| @Override |
| public void contributeToToolbar(IToolBarManager manager) { |
| if (WorkspaceModelManager.isPluginProject(getCommonProject()) && getAggregateModel().isEditable()) { |
| manager.add(new ControlContribution("Register") { //$NON-NLS-1$ |
| @Override |
| protected Control createControl(Composite parent) { |
| ImageHyperlink fImageHyperlinkRegisterTOC = new ImageHyperlink(parent, SWT.NONE); |
| fImageHyperlinkRegisterTOC.setText(CtxHelpMessages.CtxHelpEditor_text); |
| fImageHyperlinkRegisterTOC.setUnderlined(true); |
| fImageHyperlinkRegisterTOC.setForeground(getToolkit().getHyperlinkGroup().getForeground()); |
| fImageHyperlinkRegisterTOC.addHyperlinkListener(new IHyperlinkListener() { |
| @Override |
| public void linkActivated(HyperlinkEvent e) { |
| handleRegisterCtxHelpFile(); |
| } |
| |
| @Override |
| public void linkEntered(HyperlinkEvent e) { |
| ((ImageHyperlink) e.getSource()).setForeground(getToolkit().getHyperlinkGroup().getActiveForeground()); |
| getEditorSite().getActionBars().getStatusLineManager().setMessage(CtxHelpMessages.CtxHelpEditor_text); |
| } |
| |
| @Override |
| public void linkExited(HyperlinkEvent e) { |
| ((ImageHyperlink) e.getSource()).setForeground(getToolkit().getHyperlinkGroup().getForeground()); |
| getEditorSite().getActionBars().getStatusLineManager().setMessage(null); |
| } |
| }); |
| return fImageHyperlinkRegisterTOC; |
| } |
| }); |
| } |
| } |
| |
| /** |
| * Opens the register context help wizard dialog. |
| */ |
| private void handleRegisterCtxHelpFile() { |
| RegisterCtxHelpWizard wizard = new RegisterCtxHelpWizard((IModel) getAggregateModel()); |
| WizardDialog dialog = new WizardDialog(PDEUserAssistanceUIPlugin.getActiveWorkbenchShell(), wizard); |
| dialog.create(); |
| dialog.getShell().setSize(400, 250); |
| dialog.open(); |
| } |
| |
| @Override |
| public void doSave(IProgressMonitor monitor) { |
| CtxHelpModel model = (CtxHelpModel) getAggregateModel(); |
| model.setMarkerRefreshNeeded(true); |
| |
| super.doSave(monitor); |
| model.reconciled(model.getDocument()); //model recon occurs async so we can proceed to save |
| |
| } |
| |
| @Override |
| public void dispose() { |
| //editor is closing, delete the markers |
| CtxHelpMarkerManager.deleteMarkers((CtxHelpModel) getAggregateModel()); |
| super.dispose(); |
| } |
| |
| @Override |
| protected void createInputContexts(InputContextManager contextManager) { |
| super.createInputContexts(contextManager); |
| |
| // model is loaded, create markers if there were errors found |
| CtxHelpMarkerManager.createMarkers((CtxHelpModel) getAggregateModel()); |
| } |
| |
| } |