-
Notifications
You must be signed in to change notification settings - Fork 194
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Run primer partBroughtToTop asynchronously so view populates when opened
- Loading branch information
1 parent
15eebeb
commit d45c8d4
Showing
3 changed files
with
248 additions
and
296 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
247 changes: 247 additions & 0 deletions
247
....codehaus.groovy.eclipse.astviews/src/org/codehaus/groovy/eclipse/astviews/ASTView.groovy
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,247 @@ | ||
| /* | ||
| * Copyright 2009-2018 the original author or authors. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
| package org.codehaus.groovy.eclipse.astviews | ||
|
|
||
| import static org.eclipse.jdt.core.JavaCore.addElementChangedListener | ||
| import static org.eclipse.jdt.core.JavaCore.removeElementChangedListener | ||
|
|
||
| import groovy.transform.CompileStatic | ||
|
|
||
| import org.codehaus.groovy.ast.ASTNode | ||
| import org.codehaus.groovy.ast.ModuleNode | ||
| import org.codehaus.groovy.eclipse.editor.GroovyEditor | ||
| import org.codehaus.jdt.groovy.model.GroovyCompilationUnit | ||
| import org.eclipse.core.resources.IFile | ||
| import org.eclipse.core.runtime.Adapters | ||
| import org.eclipse.core.runtime.Status | ||
| import org.eclipse.jdt.core.ElementChangedEvent | ||
| import org.eclipse.jdt.core.ICompilationUnit | ||
| import org.eclipse.jdt.core.IElementChangedListener | ||
| import org.eclipse.jdt.core.IJavaElement | ||
| import org.eclipse.jdt.core.IJavaElementDelta | ||
| import org.eclipse.jdt.core.JavaCore | ||
| import org.eclipse.jdt.groovy.core.util.ContentTypeUtils | ||
| import org.eclipse.jface.text.TextSelection | ||
| import org.eclipse.jface.viewers.IStructuredContentProvider | ||
| import org.eclipse.jface.viewers.IStructuredSelection | ||
| import org.eclipse.jface.viewers.ITreeContentProvider | ||
| import org.eclipse.jface.viewers.LabelProvider | ||
| import org.eclipse.jface.viewers.TreeViewer | ||
| import org.eclipse.jface.viewers.Viewer | ||
| import org.eclipse.swt.SWT | ||
| import org.eclipse.swt.graphics.Image | ||
| import org.eclipse.swt.widgets.Composite | ||
| import org.eclipse.swt.widgets.Display | ||
| import org.eclipse.ui.IEditorPart | ||
| import org.eclipse.ui.IPartListener | ||
| import org.eclipse.ui.IWorkbenchPart | ||
| import org.eclipse.ui.part.DrillDownAdapter | ||
| import org.eclipse.ui.part.ViewPart | ||
| import org.eclipse.ui.texteditor.ITextEditor | ||
|
|
||
| /** | ||
| * A view into the Groovy AST. Anyone who needs to manipulate the AST will find this useful for exploring various nodes. | ||
| */ | ||
| @CompileStatic | ||
| class ASTView extends ViewPart { | ||
|
|
||
| private TreeViewer viewer | ||
|
|
||
| private IEditorPart editor | ||
|
|
||
| private IPartListener partListener | ||
|
|
||
| private IElementChangedListener listener | ||
|
|
||
| @Override | ||
| void createPartControl(Composite parent) { | ||
| viewer = new TreeViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL) | ||
| DrillDownAdapter drillDownAdapter = new DrillDownAdapter(viewer) | ||
| viewer.contentProvider = new ViewContentProvider() | ||
| viewer.labelProvider = new ViewLabelProvider() | ||
| viewer.comparator = null | ||
| viewer.input = null | ||
|
|
||
| viewer.addDoubleClickListener { event -> | ||
| def obj = ((IStructuredSelection) viewer.selection).firstElement | ||
| def val = ((ITreeNode) obj)?.value | ||
| if (val instanceof ASTNode) { | ||
| ASTNode node = (ASTNode) val | ||
| if (node.lineNumber > 0 && editor instanceof ITextEditor) { | ||
| ((ITextEditor) editor).selectionProvider.selection = new TextSelection(node.start, node.length) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| listener = { ElementChangedEvent event -> | ||
| if (editor != null) { | ||
| IFile file = Adapters.adapt(editor.editorInput, IFile) | ||
| ICompilationUnit unit = JavaCore.createCompilationUnitFrom(file) | ||
| if (isUnitInDelta(event.delta, unit)) { | ||
| Display.getDefault().asyncExec { -> | ||
| Object[] treePaths = viewer.expandedElements | ||
| viewer.input = ((GroovyCompilationUnit) unit).moduleNode | ||
| viewer.expandedElements = treePaths | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| addElementChangedListener(listener, ElementChangedEvent.POST_RECONCILE) | ||
|
|
||
| partListener = new IPartListener() { | ||
| @Override | ||
| void partActivated(IWorkbenchPart part) { | ||
| } | ||
|
|
||
| @Override | ||
| void partBroughtToTop(IWorkbenchPart part) { | ||
| try { | ||
| if (part instanceof IEditorPart) { | ||
| IFile file = Adapters.adapt(((IEditorPart) part).editorInput, IFile) | ||
| if (file != null && ContentTypeUtils.isGroovyLikeFileName(file.name)) { | ||
| ICompilationUnit unit = JavaCore.createCompilationUnitFrom(file) | ||
| if (unit instanceof GroovyCompilationUnit) { | ||
| if (editor != part) { | ||
| editor = (IEditorPart) part | ||
| Object[] treePaths = viewer.expandedElements | ||
| viewer.input = ((GroovyCompilationUnit) unit).moduleNode | ||
| viewer.expandedElements = treePaths | ||
| } | ||
| return | ||
| } | ||
| } | ||
| } | ||
| } catch (err) { | ||
| Activator.default.log.log(new Status(Status.WARNING, Activator.PLUGIN_ID, 'Error updating AST Viewer', err)) | ||
| } | ||
| editor = null | ||
| // This is a guard - the content provider should not be null, but sometimes this happens when the | ||
| // part is disposed of for various reasons (unhandled exceptions AFAIK). Without this guard, | ||
| // error message popups continue until Eclipse if forcefully killed. | ||
| if (viewer.contentProvider != null) { | ||
| viewer.input = null | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| void partClosed(IWorkbenchPart part) { | ||
| } | ||
|
|
||
| @Override | ||
| void partDeactivated(IWorkbenchPart part) { | ||
| } | ||
|
|
||
| @Override | ||
| void partOpened(IWorkbenchPart part) { | ||
| } | ||
| } | ||
|
|
||
| site.page.with { | ||
| addPartListener(partListener) | ||
| if (activeEditor instanceof GroovyEditor) { | ||
| Display.getDefault().asyncExec { -> | ||
| partListener.partBroughtToTop(activeEditor) | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| void dispose() { | ||
| try { | ||
| site.page.removePartListener(partListener) | ||
| removeElementChangedListener(listener) | ||
| } finally { | ||
| partListener = null | ||
| listener = null | ||
| super.dispose() | ||
| } | ||
| } | ||
|
|
||
| @Override | ||
| void setFocus() { | ||
| viewer.control.setFocus() | ||
| } | ||
|
|
||
| //-------------------------------------------------------------------------- | ||
|
|
||
| private static boolean isUnitInDelta(IJavaElementDelta delta, ICompilationUnit unit) { | ||
| if (delta.element.elementType == IJavaElement.COMPILATION_UNIT) { | ||
| // comparing with a compilation unit | ||
| // if test fails, no need to go further | ||
| return delta.element.elementName == unit.elementName | ||
| } | ||
|
|
||
| ICompilationUnit icu = (ICompilationUnit) delta.element.getAncestor(IJavaElement.COMPILATION_UNIT) | ||
| if (icu != null) { | ||
| // now if test fails, no need to go further | ||
| return icu.elementName == unit.elementName | ||
| } | ||
|
|
||
| // delta is a potential ancestor of this compilationUnit | ||
| return delta.affectedChildren?.any { IJavaElementDelta d -> | ||
| isUnitInDelta(d, unit) | ||
| } | ||
| } | ||
|
|
||
| private static class ViewContentProvider implements IStructuredContentProvider, ITreeContentProvider { | ||
| private ITreeNode root | ||
|
|
||
| @Override | ||
| void dispose() { | ||
| } | ||
|
|
||
| @Override | ||
| void inputChanged(Viewer v, Object oldInput, Object newInput) { | ||
| } | ||
|
|
||
| @Override | ||
| Object[] getElements(Object inputElement) { | ||
| if (!(inputElement instanceof ModuleNode)) { | ||
| return new Object[0] | ||
| } | ||
| root = TreeNodeFactory.createTreeNode(null, inputElement, 'Module Nodes') | ||
| return root.children | ||
| } | ||
|
|
||
| @Override | ||
| Object getParent(Object child) { | ||
| ((ITreeNode) child).parent | ||
| } | ||
|
|
||
| @Override | ||
| Object[] getChildren(Object parent) { | ||
| ((ITreeNode) parent).children | ||
| } | ||
|
|
||
| @Override | ||
| boolean hasChildren(Object parent) { | ||
| !((ITreeNode) parent).isLeaf() | ||
| } | ||
| } | ||
|
|
||
| private static class ViewLabelProvider extends LabelProvider { | ||
| @Override | ||
| Image getImage(Object obj) { | ||
| } | ||
|
|
||
| @Override | ||
| String getText(Object obj) { | ||
| ((ITreeNode) obj).displayName | ||
| } | ||
| } | ||
| } |
Oops, something went wrong.
d45c8d4There was a problem hiding this comment.
Choose a reason for hiding this comment
The reason will be displayed to describe this comment to others. Learn more.
#729