| /******************************************************************************* |
| * Copyright (c) 2000, 2018 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.jdt.internal.ui.wizards.buildpaths.newsourcepage; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.custom.SashForm; |
| import org.eclipse.swt.layout.GridData; |
| import org.eclipse.swt.layout.GridLayout; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Display; |
| |
| import org.eclipse.core.runtime.CoreException; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.core.runtime.Path; |
| |
| import org.eclipse.core.resources.IFolder; |
| |
| import org.eclipse.jface.action.ToolBarManager; |
| import org.eclipse.jface.layout.PixelConverter; |
| import org.eclipse.jface.operation.IRunnableContext; |
| import org.eclipse.jface.preference.IPreferenceStore; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| |
| import org.eclipse.ui.forms.events.ExpansionAdapter; |
| import org.eclipse.ui.forms.events.ExpansionEvent; |
| import org.eclipse.ui.forms.widgets.ExpandableComposite; |
| |
| import org.eclipse.jdt.core.IClasspathEntry; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.IPackageFragmentRoot; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.core.JavaModelException; |
| |
| import org.eclipse.jdt.internal.corext.buildpath.BuildpathDelta; |
| import org.eclipse.jdt.internal.corext.buildpath.ClasspathModifier; |
| import org.eclipse.jdt.internal.corext.buildpath.IBuildpathModifierListener; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jdt.internal.ui.preferences.ScrolledPageContent; |
| import org.eclipse.jdt.internal.ui.util.ViewerPane; |
| import org.eclipse.jdt.internal.ui.wizards.NewWizardMessages; |
| import org.eclipse.jdt.internal.ui.wizards.buildpaths.BuildPathBasePage; |
| import org.eclipse.jdt.internal.ui.wizards.buildpaths.BuildPathsBlock; |
| import org.eclipse.jdt.internal.ui.wizards.buildpaths.CPListElement; |
| import org.eclipse.jdt.internal.ui.wizards.buildpaths.CPListElementAttribute; |
| import org.eclipse.jdt.internal.ui.wizards.dialogfields.DialogField; |
| import org.eclipse.jdt.internal.ui.wizards.dialogfields.LayoutUtil; |
| import org.eclipse.jdt.internal.ui.wizards.dialogfields.ListDialogField; |
| import org.eclipse.jdt.internal.ui.wizards.dialogfields.SelectionButtonDialogField; |
| import org.eclipse.jdt.internal.ui.wizards.dialogfields.StringDialogField; |
| |
| |
| public class NewSourceContainerWorkbookPage extends BuildPathBasePage implements IBuildpathModifierListener { |
| |
| public static final String OPEN_SETTING= "org.eclipse.jdt.internal.ui.wizards.buildpaths.NewSourceContainerPage.openSetting"; //$NON-NLS-1$ |
| |
| private ListDialogField<CPListElement> fClassPathList; |
| private HintTextGroup fHintTextGroup; |
| private DialogPackageExplorer fPackageExplorer; |
| private SelectionButtonDialogField fUseFolderOutputs; |
| private final StringDialogField fOutputLocationField; |
| private DialogPackageExplorerActionGroup fActionGroup; |
| |
| private IJavaProject fJavaProject; |
| |
| private final IRunnableContext fContext; |
| |
| private final BuildPathsBlock fBuildPathsBlock; |
| |
| |
| /** |
| * Constructor of the <code>NewSourceContainerWorkbookPage</code> which consists of |
| * a tree representing the project, a toolbar with the available actions, an area |
| * containing hyperlinks that perform the same actions as those in the toolbar but |
| * additionally with some short description. |
| * |
| * @param classPathList |
| * @param outputLocationField |
| * @param context a runnable context, can be <code>null</code> |
| * @param buildPathsBlock |
| */ |
| public NewSourceContainerWorkbookPage(ListDialogField<CPListElement> classPathList, StringDialogField outputLocationField, IRunnableContext context, BuildPathsBlock buildPathsBlock) { |
| fClassPathList= classPathList; |
| fOutputLocationField= outputLocationField; |
| fContext= context; |
| fBuildPathsBlock= buildPathsBlock; |
| |
| fUseFolderOutputs= new SelectionButtonDialogField(SWT.CHECK); |
| fUseFolderOutputs.setSelection(false); |
| fUseFolderOutputs.setLabelText(NewWizardMessages.SourceContainerWorkbookPage_folders_check); |
| |
| |
| fPackageExplorer= new DialogPackageExplorer(); |
| fHintTextGroup= new HintTextGroup(); |
| } |
| |
| /** |
| * Initialize the controls displaying |
| * the content of the java project and saving |
| * the '.classpath' and '.project' file. |
| * |
| * Must be called before initializing the |
| * controls using <code>getControl(Composite)</code>. |
| * |
| * @param javaProject the current java project |
| */ |
| @Override |
| public void init(IJavaProject javaProject) { |
| fJavaProject= javaProject; |
| fPackageExplorer.addPostSelectionChangedListener(fHintTextGroup); |
| fActionGroup.getResetAllAction().setBreakPoint(javaProject); |
| |
| if (Display.getCurrent() != null) { |
| doUpdateUI(); |
| } else { |
| Display.getDefault().asyncExec(this::doUpdateUI); |
| } |
| } |
| |
| private void doUpdateUI() { |
| fPackageExplorer.setInput(fJavaProject); |
| |
| boolean useFolderOutputs= false; |
| List<CPListElement> cpelements= fClassPathList.getElements(); |
| for (int i= 0; i < cpelements.size() && !useFolderOutputs; i++) { |
| CPListElement cpe= cpelements.get(i); |
| if (cpe.getEntryKind() == IClasspathEntry.CPE_SOURCE) { |
| if (cpe.getAttribute(CPListElement.OUTPUT) != null) { |
| useFolderOutputs= true; |
| } |
| } |
| } |
| fUseFolderOutputs.setSelection(useFolderOutputs); |
| } |
| |
| public void dispose() { |
| if (fActionGroup != null) { |
| fActionGroup.removeBuildpathModifierListener(this); |
| fActionGroup= null; |
| } |
| fPackageExplorer.removePostSelectionChangedListener(fHintTextGroup); |
| fPackageExplorer.dispose(); |
| } |
| |
| /** |
| * Initializes controls and return composite containing |
| * these controls. |
| * |
| * Before calling this method, make sure to have |
| * initialized this instance with a java project |
| * using <code>init(IJavaProject)</code>. |
| * |
| * @param parent the parent composite |
| * @return composite containing controls |
| * |
| * @see #init(IJavaProject) |
| */ |
| @Override |
| public Control getControl(Composite parent) { |
| final int[] sashWeight= {60}; |
| final IPreferenceStore preferenceStore= JavaPlugin.getDefault().getPreferenceStore(); |
| preferenceStore.setDefault(OPEN_SETTING, true); |
| |
| // ScrolledPageContent is needed for resizing on expand the expandable composite |
| ScrolledPageContent scrolledContent = new ScrolledPageContent(parent); |
| Composite body= scrolledContent.getBody(); |
| body.setLayout(new GridLayout()); |
| |
| final SashForm sashForm= new SashForm(body, SWT.VERTICAL | SWT.NONE); |
| sashForm.setFont(sashForm.getFont()); |
| |
| ViewerPane pane= new ViewerPane(sashForm, SWT.BORDER | SWT.FLAT); |
| pane.setContent(fPackageExplorer.createControl(pane)); |
| fPackageExplorer.setContentProvider(); |
| |
| final ExpandableComposite excomposite= new ExpandableComposite(sashForm, SWT.NONE, ExpandableComposite.TWISTIE | ExpandableComposite.CLIENT_INDENT); |
| excomposite.setFont(sashForm.getFont()); |
| excomposite.setText(NewWizardMessages.NewSourceContainerWorkbookPage_HintTextGroup_title); |
| final boolean isExpanded= preferenceStore.getBoolean(OPEN_SETTING); |
| excomposite.setExpanded(isExpanded); |
| excomposite.addExpansionListener(new ExpansionAdapter() { |
| @Override |
| public void expansionStateChanged(ExpansionEvent e) { |
| ScrolledPageContent parentScrolledComposite= getParentScrolledComposite(excomposite); |
| if (parentScrolledComposite != null) { |
| boolean expanded= excomposite.isExpanded(); |
| parentScrolledComposite.reflow(true); |
| adjustSashForm(sashWeight, sashForm, expanded); |
| preferenceStore.setValue(OPEN_SETTING, expanded); |
| } |
| } |
| }); |
| |
| excomposite.setClient(fHintTextGroup.createControl(excomposite)); |
| fUseFolderOutputs.doFillIntoGrid(body, 1); |
| |
| fActionGroup= new DialogPackageExplorerActionGroup(fHintTextGroup, fContext, fPackageExplorer, this); |
| fActionGroup.addBuildpathModifierListener(this); |
| |
| |
| fUseFolderOutputs.setDialogFieldListener(field -> { |
| boolean isUseFolders= fUseFolderOutputs.isSelected(); |
| if (!isUseFolders) { |
| ResetAllOutputFoldersAction action= new ResetAllOutputFoldersAction(fContext, fJavaProject, fPackageExplorer) { |
| @Override |
| public void run() { |
| commitDefaultOutputFolder(); |
| super.run(); |
| } |
| }; |
| action.addBuildpathModifierListener(NewSourceContainerWorkbookPage.this); |
| action.run(); |
| } |
| fPackageExplorer.showOutputFolders(isUseFolders); |
| }); |
| |
| Composite outputLocation= new Composite(body, SWT.NONE); |
| outputLocation.setLayout(new GridLayout(2, false)); |
| outputLocation.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, false)); |
| |
| LayoutUtil.doDefaultLayout(outputLocation, new DialogField[] {fOutputLocationField }, true, SWT.DEFAULT, SWT.DEFAULT); |
| LayoutUtil.setHorizontalGrabbing(fOutputLocationField.getTextControl(null)); |
| |
| // Create toolbar with actions on the left |
| ToolBarManager tbm= fActionGroup.createLeftToolBarManager(pane); |
| pane.setTopCenter(null); |
| pane.setTopLeft(tbm.getControl()); |
| |
| // Create toolbar with help on the right |
| tbm= fActionGroup.createLeftToolBar(pane); |
| pane.setTopRight(tbm.getControl()); |
| |
| fHintTextGroup.setActionGroup(fActionGroup); |
| fPackageExplorer.setActionGroup(fActionGroup); |
| |
| sashForm.setWeights(new int[] {60, 40}); |
| adjustSashForm(sashWeight, sashForm, excomposite.isExpanded()); |
| GridData gd= new GridData(GridData.FILL_BOTH); |
| PixelConverter converter= new PixelConverter(parent); |
| gd.heightHint= converter.convertHeightInCharsToPixels(20); |
| sashForm.setLayoutData(gd); |
| |
| parent.layout(true); |
| |
| return scrolledContent; |
| } |
| |
| /** |
| * Adjust the size of the sash form. |
| * |
| * @param sashWeight the weight to be read or written |
| * @param sashForm the sash form to apply the new weights to |
| * @param isExpanded <code>true</code> if the expandable composite is |
| * expanded, <code>false</code> otherwise |
| */ |
| private void adjustSashForm(int[] sashWeight, SashForm sashForm, boolean isExpanded) { |
| if (isExpanded) { |
| int upperWeight= sashWeight[0]; |
| sashForm.setWeights(new int[]{upperWeight, 100 - upperWeight}); |
| } |
| else { |
| // TODO Dividing by 10 because of https://bugs.eclipse.org/bugs/show_bug.cgi?id=81939 |
| sashWeight[0]= sashForm.getWeights()[0] / 10; |
| sashForm.setWeights(new int[]{95, 5}); |
| } |
| sashForm.layout(true); |
| } |
| |
| /** |
| * Get the scrolled page content of the given control by |
| * traversing the parents. |
| * |
| * @param control the control to get the scrolled page content for |
| * @return the scrolled page content or <code>null</code> if none found |
| */ |
| private ScrolledPageContent getParentScrolledComposite(Control control) { |
| Control parent= control.getParent(); |
| while (!(parent instanceof ScrolledPageContent) && parent != null) { |
| parent= parent.getParent(); |
| } |
| |
| return (ScrolledPageContent) parent; |
| } |
| |
| @Override |
| public List<CPListElement> getSelection() { |
| List<CPListElement> selectedList= new ArrayList<>(); |
| |
| IJavaProject project= fJavaProject; |
| try { |
| List<?> list= ((StructuredSelection)fPackageExplorer.getSelection()).toList(); |
| List<CPListElement> existingEntries= ClasspathModifier.getExistingEntries(project); |
| |
| for(int i= 0; i < list.size(); i++) { |
| Object obj= list.get(i); |
| if (obj instanceof IPackageFragmentRoot) { |
| IPackageFragmentRoot element= (IPackageFragmentRoot)obj; |
| CPListElement cpElement= ClasspathModifier.getClasspathEntry(existingEntries, element); |
| selectedList.add(cpElement); |
| } |
| else if (obj instanceof IJavaProject) { |
| IClasspathEntry entry= ClasspathModifier.getClasspathEntryFor(project.getPath(), project, IClasspathEntry.CPE_SOURCE); |
| if (entry == null) |
| continue; |
| CPListElement cpElement= CPListElement.createFromExisting(entry, project); |
| selectedList.add(cpElement); |
| } |
| } |
| } catch (JavaModelException e) { |
| return new ArrayList<>(); |
| } |
| return selectedList; |
| } |
| |
| @Override |
| public void setSelection(List<?> selection, boolean expand) { |
| // page switch |
| |
| if (selection.isEmpty()) |
| return; |
| |
| List<CPListElement> cpEntries= new ArrayList<>(); |
| |
| for (int i= 0; i < selection.size(); i++) { |
| Object obj= selection.get(i); |
| if (obj instanceof CPListElement) { |
| CPListElement element= (CPListElement) obj; |
| if (element.getEntryKind() == IClasspathEntry.CPE_SOURCE) { |
| cpEntries.add(element); |
| } |
| } else if (obj instanceof CPListElementAttribute) { |
| CPListElementAttribute attribute= (CPListElementAttribute)obj; |
| CPListElement element= attribute.getParent(); |
| if (element.getEntryKind() == IClasspathEntry.CPE_SOURCE) { |
| cpEntries.add(element); |
| } |
| } |
| } |
| |
| // refresh classpath |
| List<CPListElement> list= fClassPathList.getElements(); |
| IClasspathEntry[] entries= new IClasspathEntry[list.size()]; |
| for(int i= 0; i < list.size(); i++) { |
| CPListElement entry= list.get(i); |
| entries[i]= entry.getClasspathEntry(); |
| } |
| try { |
| fJavaProject.setRawClasspath(entries, null); |
| } catch (JavaModelException e) { |
| JavaPlugin.log(e); |
| } |
| |
| fPackageExplorer.setSelection(cpEntries); |
| } |
| |
| @Override |
| public boolean isEntryKind(int kind) { |
| return kind == IClasspathEntry.CPE_SOURCE; |
| } |
| |
| /** |
| * Update <code>fClassPathList</code>. |
| * @param delta describing the changes to the buildpath |
| */ |
| @Override |
| public void buildpathChanged(BuildpathDelta delta) { |
| fClassPathList.setElements(Arrays.asList(delta.getNewEntries())); |
| |
| try { |
| fOutputLocationField.setText(fJavaProject.getOutputLocation().makeRelative().toString()); |
| } catch (JavaModelException e) { |
| JavaPlugin.log(e); |
| } |
| } |
| |
| public void commitDefaultOutputFolder() { |
| if (!fBuildPathsBlock.isOKStatus()) |
| return; |
| try { |
| IPath path= new Path(fOutputLocationField.getText()).makeAbsolute(); |
| IPath outputLocation= fJavaProject.getOutputLocation(); |
| if (path.equals(outputLocation)) |
| return; |
| |
| if (!outputLocation.equals(fJavaProject.getPath())) { |
| IFolder folder= fJavaProject.getProject().getWorkspace().getRoot().getFolder(outputLocation); |
| if (folder.exists() && JavaCore.create(folder) == null) { |
| folder.delete(true, null); |
| } |
| } |
| fJavaProject.setOutputLocation(path, null); |
| } catch (CoreException e) { |
| JavaPlugin.log(e); |
| } |
| } |
| |
| @Override |
| public void setFocus() { |
| fPackageExplorer.getViewerControl().setFocus(); |
| } |
| |
| public IJavaProject getJavaProject() { |
| return fJavaProject; |
| } |
| } |
