| /******************************************************************************* |
| * Copyright (c) 2000, 2017 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * This is an implementation of an early-draft specification developed under the Java |
| * Community Process (JCP) and is made available for testing and evaluation purposes |
| * only. The code is not compatible with any specification of the JCP. |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.ui.wizards.buildpaths; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.events.KeyEvent; |
| import org.eclipse.swt.widgets.Composite; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.swt.widgets.Display; |
| import org.eclipse.swt.widgets.Shell; |
| |
| import org.eclipse.jface.layout.PixelConverter; |
| import org.eclipse.jface.viewers.ArrayContentProvider; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.window.Window; |
| |
| import org.eclipse.ui.dialogs.ListSelectionDialog; |
| import org.eclipse.ui.preferences.IWorkbenchPreferenceContainer; |
| |
| import org.eclipse.jdt.core.IAccessRule; |
| import org.eclipse.jdt.core.IClasspathAttribute; |
| import org.eclipse.jdt.core.IClasspathEntry; |
| import org.eclipse.jdt.core.IJavaProject; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.core.JavaModelException; |
| |
| import org.eclipse.jdt.internal.corext.util.JavaModelUtil; |
| |
| import org.eclipse.jdt.ui.JavaElementComparator; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jdt.internal.ui.viewsupport.JavaUILabelProvider; |
| import org.eclipse.jdt.internal.ui.wizards.NewWizardMessages; |
| 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.TreeListDialogField; |
| |
| |
| public class ProjectsWorkbookPage extends BuildPathBasePage { |
| |
| private final int IDX_ADDPROJECT= 0; |
| |
| private final int IDX_EDIT= 2; |
| private final int IDX_REMOVE= 3; |
| |
| private final ListDialogField<CPListElement> fClassPathList; |
| private IJavaProject fCurrJProject; |
| |
| private final TreeListDialogField<CPListElement> fProjectsList; |
| |
| private Control fSWTControl; |
| |
| private final IWorkbenchPreferenceContainer fPageContainer; |
| |
| public ProjectsWorkbookPage(ListDialogField<CPListElement> classPathList, IWorkbenchPreferenceContainer pageContainer) { |
| fClassPathList= classPathList; |
| fPageContainer= pageContainer; |
| fSWTControl= null; |
| |
| String[] buttonLabels= new String[] { |
| NewWizardMessages.ProjectsWorkbookPage_projects_add_button, |
| null, |
| NewWizardMessages.ProjectsWorkbookPage_projects_edit_button, |
| NewWizardMessages.ProjectsWorkbookPage_projects_remove_button |
| }; |
| |
| ProjectsAdapter adapter= new ProjectsAdapter(); |
| |
| fProjectsList= new TreeListDialogField<>(adapter, buttonLabels, new CPListLabelProvider()); |
| fProjectsList.setDialogFieldListener(adapter); |
| fProjectsList.setLabelText(NewWizardMessages.ProjectsWorkbookPage_projects_label); |
| |
| fProjectsList.enableButton(IDX_REMOVE, false); |
| fProjectsList.enableButton(IDX_EDIT, false); |
| |
| fProjectsList.setViewerComparator(new CPListElementSorter()); |
| } |
| |
| @Override |
| public void init(final IJavaProject jproject) { |
| fCurrJProject= jproject; |
| |
| if (Display.getCurrent() != null) { |
| updateProjectsList(); |
| } else { |
| Display.getDefault().asyncExec(new Runnable() { |
| @Override |
| public void run() { |
| updateProjectsList(); |
| } |
| }); |
| } |
| } |
| |
| private void updateProjectsList() { |
| if(JavaModelUtil.is9OrHigher(fCurrJProject)) { |
| updateProjectsListWithRootNode(); |
| return; |
| } |
| // add the projects-cpentries that are already on the class path |
| List<CPListElement> cpelements= fClassPathList.getElements(); |
| |
| final List<CPListElement> checkedProjects= new ArrayList<>(cpelements.size()); |
| |
| for (int i= cpelements.size() - 1 ; i >= 0; i--) { |
| CPListElement cpelem= cpelements.get(i); |
| if (isEntryKind(cpelem.getEntryKind())) { |
| checkedProjects.add(cpelem); |
| } |
| } |
| fProjectsList.setElements(checkedProjects); |
| } |
| |
| boolean hasRootNodes(){ |
| if (fProjectsList == null) |
| return false; |
| if(fProjectsList.getSize()==0) |
| return false; |
| if(fProjectsList.getElement(0).isRootNodeForPath()) |
| return true; |
| return false; |
| } |
| private void updateProjectsListWithRootNode() { |
| CPListElement rootClasspath = new RootCPListElement(fCurrJProject, NewWizardMessages.PathRootWorkbookPage_classpath,false); |
| CPListElement rootModulepath = new RootCPListElement(fCurrJProject,NewWizardMessages.PathRootWorkbookPage_modulepath,true); |
| |
| // add the projects-cpentries that are already on the class path |
| List<CPListElement> cpelements= fClassPathList.getElements(); |
| |
| final List<CPListElement> checkedProjects= new ArrayList<>(cpelements.size()); |
| |
| for (int i= cpelements.size() - 1 ; i >= 0; i--) { |
| CPListElement cpelem= cpelements.get(i); |
| if (isEntryKind(cpelem.getEntryKind())) { |
| Object mod= cpelem.getAttribute(CPListElement.MODULE); |
| if(mod == null) { |
| ((RootCPListElement)rootClasspath).addCPListElement(cpelem); |
| } else { |
| ((RootCPListElement)rootModulepath).addCPListElement(cpelem); |
| } |
| } |
| } |
| checkedProjects.add(rootModulepath); |
| checkedProjects.add(rootClasspath); |
| |
| fProjectsList.setElements(checkedProjects); |
| fProjectsList.enableButton(IDX_ADDPROJECT, false); |
| } |
| |
| // -------- UI creation --------- |
| |
| @Override |
| public Control getControl(Composite parent) { |
| PixelConverter converter= new PixelConverter(parent); |
| |
| Composite composite= new Composite(parent, SWT.NONE); |
| |
| LayoutUtil.doDefaultLayout(composite, new DialogField[] { fProjectsList }, true, SWT.DEFAULT, SWT.DEFAULT); |
| LayoutUtil.setHorizontalGrabbing(fProjectsList.getTreeControl(null)); |
| |
| int buttonBarWidth= converter.convertWidthInCharsToPixels(24); |
| fProjectsList.setButtonsMinWidth(buttonBarWidth); |
| |
| fSWTControl= composite; |
| |
| return composite; |
| } |
| |
| private void updateClasspathList() { |
| List<CPListElement> projelements= fProjectsList.getElements(); |
| |
| List<CPListElement> flattenedProjElements = new ArrayList<>(); |
| for ( int i =0; i < projelements.size(); i++ ) { |
| CPListElement ele = projelements.get(i); |
| // if root node, collect the CPList elements |
| if(ele.isRootNodeForPath()) { |
| ArrayList<Object> children= ((RootCPListElement)ele).getChildren(); |
| for (Iterator<?> iterator= children.iterator(); iterator.hasNext();) { |
| Object object= iterator.next(); |
| if(object instanceof CPListElement) { |
| flattenedProjElements.add((CPListElement) object); |
| } |
| } |
| } |
| else { |
| flattenedProjElements.add(ele); |
| } |
| } |
| |
| boolean remove= false; |
| List<CPListElement> cpelements= fClassPathList.getElements(); |
| // backwards, as entries will be deleted |
| for (int i= cpelements.size() -1; i >= 0 ; i--) { |
| CPListElement cpe= cpelements.get(i); |
| if (isEntryKind(cpe.getEntryKind())) { |
| if (!flattenedProjElements.remove(cpe)) { |
| cpelements.remove(i); |
| remove= true; |
| } |
| } |
| } |
| for (int i= 0; i < flattenedProjElements.size(); i++) { |
| cpelements.add(flattenedProjElements.get(i)); |
| } |
| if (remove || (flattenedProjElements.size() > 0)) { |
| fClassPathList.setElements(cpelements); |
| } |
| } |
| |
| /* |
| * @see BuildPathBasePage#getSelection |
| */ |
| @Override |
| public List<Object> getSelection() { |
| return fProjectsList.getSelectedElements(); |
| } |
| |
| /* |
| * @see BuildPathBasePage#setSelection |
| */ |
| @Override |
| public void setSelection(List<?> selElements, boolean expand) { |
| fProjectsList.selectElements(new StructuredSelection(selElements)); |
| if (expand) { |
| for (int i= 0; i < selElements.size(); i++) { |
| fProjectsList.expandElement(selElements.get(i), 1); |
| } |
| } |
| } |
| |
| @Override |
| public boolean isEntryKind(int kind) { |
| return kind == IClasspathEntry.CPE_PROJECT; |
| } |
| |
| |
| private class ProjectsAdapter extends CPListAdapter { |
| |
| // -------- IListAdapter -------- |
| @Override |
| public void customButtonPressed(TreeListDialogField<CPListElement> field, int index) { |
| projectPageCustomButtonPressed(field, index); |
| } |
| |
| @Override |
| public void selectionChanged(TreeListDialogField<CPListElement> field) { |
| projectPageSelectionChanged(field); |
| } |
| |
| @Override |
| public void doubleClicked(TreeListDialogField<CPListElement> field) { |
| projectPageDoubleClicked(field); |
| } |
| |
| @Override |
| public void keyPressed(TreeListDialogField<CPListElement> field, KeyEvent event) { |
| projectPageKeyPressed(field, event); |
| } |
| |
| |
| // ---------- IDialogFieldListener -------- |
| |
| @Override |
| public void dialogFieldChanged(DialogField field) { |
| projectPageDialogFieldChanged(field); |
| } |
| } |
| |
| /** |
| * @param field the dialog field |
| * @param index the button index |
| */ |
| private void projectPageCustomButtonPressed(DialogField field, int index) { |
| CPListElement[] entries= null; |
| switch (index) { |
| case IDX_ADDPROJECT: /* add project */ |
| entries= addProjectDialog(); |
| break; |
| case IDX_EDIT: /* edit */ |
| editEntry(); |
| return; |
| case IDX_REMOVE: /* remove */ |
| removeEntry(); |
| return; |
| } |
| if (entries != null) { |
| int nElementsChosen= entries.length; |
| // remove duplicates |
| List<CPListElement> cplist= fProjectsList.getElements(); |
| List<CPListElement> elementsToAdd= new ArrayList<>(nElementsChosen); |
| for (int i= 0; i < nElementsChosen; i++) { |
| CPListElement curr= entries[i]; |
| if (!cplist.contains(curr) && !elementsToAdd.contains(curr)) { |
| elementsToAdd.add(curr); |
| } |
| } |
| |
| if(!hasRootNodes()) { |
| fProjectsList.addElements(elementsToAdd); |
| } |
| else { |
| // on the new nodes, only additions allowed, rest disabled |
| List<Object> selectedElements= fProjectsList.getSelectedElements(); |
| List<CPListElement> elements= fProjectsList.getElements(); |
| // if nothing selected, do nothing |
| if(selectedElements.size()==0) |
| return; |
| fProjectsList.removeAllElements(); |
| for (int i= 0; i < selectedElements.size(); i++) { |
| if( ((CPListElement)selectedElements.get(i)).isClassPathRootNode()) { |
| for (CPListElement cpListElement : elementsToAdd) { |
| cpListElement.setAttribute(IClasspathAttribute.MODULE, null); |
| } |
| } |
| if( ((CPListElement)selectedElements.get(i)).isModulePathRootNode()) { |
| for (CPListElement cpListElement : elementsToAdd) { |
| Object attribute= cpListElement.getAttribute(IClasspathAttribute.MODULE); |
| if(attribute == null) { |
| cpListElement.setAttribute(IClasspathAttribute.MODULE, new ModuleEncapsulationDetail[0]); |
| |
| } |
| } |
| } |
| ((RootCPListElement)selectedElements.get(i)).addCPListElement(elementsToAdd); |
| } |
| fProjectsList.setElements(elements); |
| fProjectsList.refresh(); |
| fProjectsList.getTreeViewer().expandToLevel(2); |
| } |
| |
| if (index == IDX_ADDPROJECT && !hasRootNodes()) { |
| fProjectsList.refresh(); |
| } |
| fProjectsList.postSetSelection(new StructuredSelection(entries)); |
| } |
| } |
| |
| private void removeEntry() { |
| List<Object> selElements= fProjectsList.getSelectedElements(); |
| for (int i= selElements.size() - 1; i >= 0 ; i--) { |
| Object elem= selElements.get(i); |
| if (elem instanceof CPListElementAttribute) { |
| CPListElementAttribute attrib= (CPListElementAttribute) elem; |
| if (attrib.isBuiltIn()) { |
| String key= attrib.getKey(); |
| Object value= null; |
| if (key.equals(CPListElement.ACCESSRULES)) { |
| value= new IAccessRule[0]; |
| } |
| attrib.getParent().setAttribute(key, value); |
| } else { |
| removeCustomAttribute(attrib); |
| } |
| selElements.remove(i); |
| } else if (elem instanceof ModuleEncapsulationDetail) { |
| removeEncapsulationDetail((ModuleEncapsulationDetail) elem); |
| } |
| } |
| if (selElements.isEmpty()) { |
| fProjectsList.refresh(); |
| fClassPathList.dialogFieldChanged(); // validate |
| } else { |
| if(hasRootNodes()) { |
| List<CPListElement> elements= fProjectsList.getElements(); |
| for (CPListElement cpListElement : elements) { |
| ((RootCPListElement)cpListElement).getChildren().removeAll(selElements); |
| } |
| fProjectsList.getTreeViewer().remove(selElements.toArray()); |
| fProjectsList.dialogFieldChanged(); |
| |
| } |
| else { |
| fProjectsList.removeElements(selElements); |
| } |
| |
| } |
| } |
| |
| private boolean canRemove(List<?> selElements) { |
| if (selElements.size() == 0) { |
| return false; |
| } |
| |
| for (int i= 0; i < selElements.size(); i++) { |
| Object elem= selElements.get(i); |
| if (elem instanceof CPListElementAttribute) { |
| CPListElementAttribute attrib= (CPListElementAttribute) elem; |
| if (IClasspathAttribute.MODULE.equals(attrib.getKey())) { |
| return false; |
| } |
| if (attrib.isNonModifiable()) { |
| return false; |
| } |
| if (attrib.isBuiltIn()) { |
| if (CPListElement.ACCESSRULES.equals(attrib.getKey())) { |
| if (((IAccessRule[]) attrib.getValue()).length == 0) { |
| return false; |
| } |
| } else if (attrib.getValue() == null) { |
| return false; |
| } |
| } else { |
| if (!canRemoveCustomAttribute(attrib)) { |
| return false; |
| } |
| } |
| } else if (elem instanceof ModuleEncapsulationDetail) { |
| return true; |
| } else if (elem instanceof CPListElement) { |
| if (((CPListElement)elem).isRootNodeForPath()) { |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| |
| private boolean canEdit(List<?> selElements) { |
| if (selElements.size() != 1) { |
| return false; |
| } |
| Object elem= selElements.get(0); |
| if (elem instanceof CPListElement) { |
| return false; |
| } |
| if (elem instanceof CPListElementAttribute) { |
| CPListElementAttribute attrib= (CPListElementAttribute) elem; |
| if (attrib.isNonModifiable()) { |
| return false; |
| } |
| if (!attrib.isBuiltIn()) { |
| return canEditCustomAttribute(attrib); |
| } |
| CPListElement parent = attrib.getParent(); |
| if(hasRootNodes() && attrib.getKey().equals(IClasspathAttribute.MODULE)) { |
| // if the parent in in library list disable edit |
| CPListElement root = fProjectsList.getElement(0).isClassPathRootNode() ? fProjectsList.getElement(0) : |
| fProjectsList.getElement(1); |
| ArrayList<Object> children= ((RootCPListElement)root).getChildren(); |
| for (Object object : children) { |
| if(object == parent) { |
| return false; |
| } |
| } |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| /** |
| * Method editEntry. |
| */ |
| private void editEntry() { |
| List<Object> selElements= fProjectsList.getSelectedElements(); |
| if (selElements.size() != 1) { |
| return; |
| } |
| Object elem= selElements.get(0); |
| if (elem instanceof CPListElementAttribute) { |
| editAttributeEntry((CPListElementAttribute) elem); |
| } |
| } |
| |
| private void editAttributeEntry(CPListElementAttribute elem) { |
| String key= elem.getKey(); |
| boolean needRefresh= false; |
| if (key.equals(CPListElement.ACCESSRULES)) { |
| showAccessRestrictionDialog(elem.getParent()); |
| } else if (key.equals(CPListElement.MODULE)) { |
| needRefresh= showModuleDialog(getShell(), elem); |
| } else { |
| needRefresh= editCustomAttribute(getShell(), elem); |
| } |
| if (needRefresh) { |
| fProjectsList.refresh(elem); |
| fClassPathList.dialogFieldChanged(); // validate |
| fProjectsList.postSetSelection(new StructuredSelection(elem)); |
| } |
| } |
| |
| private void showAccessRestrictionDialog(CPListElement selElement) { |
| AccessRulesDialog dialog= new AccessRulesDialog(getShell(), selElement, fCurrJProject, fPageContainer != null); |
| int res= dialog.open(); |
| if (res == Window.OK || res == AccessRulesDialog.SWITCH_PAGE) { |
| selElement.setAttribute(CPListElement.ACCESSRULES, dialog.getAccessRules()); |
| selElement.setAttribute(CPListElement.COMBINE_ACCESSRULES, Boolean.valueOf(dialog.doCombineAccessRules())); |
| fProjectsList.refresh(); |
| fClassPathList.dialogFieldChanged(); // validate |
| |
| if (res == AccessRulesDialog.SWITCH_PAGE) { |
| dialog.performPageSwitch(fPageContainer); |
| } |
| } |
| } |
| |
| private Shell getShell() { |
| if (fSWTControl != null) { |
| return fSWTControl.getShell(); |
| } |
| return JavaPlugin.getActiveWorkbenchShell(); |
| } |
| |
| |
| private CPListElement[] addProjectDialog() { |
| |
| try { |
| Object[] selectArr= getNotYetRequiredProjects(); |
| new JavaElementComparator().sort(null, selectArr); |
| |
| ListSelectionDialog dialog= new ListSelectionDialog(getShell(), Arrays.asList(selectArr), new ArrayContentProvider(), new JavaUILabelProvider(), NewWizardMessages.ProjectsWorkbookPage_chooseProjects_message); |
| dialog.setTitle(NewWizardMessages.ProjectsWorkbookPage_chooseProjects_title); |
| dialog.setHelpAvailable(false); |
| if (dialog.open() == Window.OK) { |
| Object[] result= dialog.getResult(); |
| CPListElement[] cpElements= new CPListElement[result.length]; |
| for (int i= 0; i < result.length; i++) { |
| IJavaProject curr= (IJavaProject) result[i]; |
| CPListElement cpListElement= new CPListElement(fCurrJProject, IClasspathEntry.CPE_PROJECT, curr.getPath(), curr.getResource()); |
| cpListElement.setModuleAttributeIf9OrHigher(fCurrJProject); |
| cpElements[i]= cpListElement; |
| } |
| return cpElements; |
| } |
| } catch (JavaModelException e) { |
| return null; |
| } |
| return null; |
| } |
| |
| private Object[] getNotYetRequiredProjects() throws JavaModelException { |
| ArrayList<IJavaProject> selectable= new ArrayList<>(); |
| selectable.addAll(Arrays.asList(fCurrJProject.getJavaModel().getJavaProjects())); |
| selectable.remove(fCurrJProject); |
| |
| List<CPListElement> elements= fProjectsList.getElements(); |
| for (int i= 0; i < elements.size(); i++) { |
| CPListElement curr= elements.get(i); |
| if (curr.isRootNodeForPath()) { |
| ArrayList<Object> children= ((RootCPListElement)curr).getChildren(); |
| for (Iterator<?> iterator= children.iterator(); iterator.hasNext();) { |
| Object object= iterator.next(); |
| if(object instanceof CPListElement) { |
| CPListElement cpe = (CPListElement)object; |
| IJavaProject proj= (IJavaProject) JavaCore.create(cpe.getResource()); |
| selectable.remove(proj); |
| } |
| |
| } |
| } |
| IJavaProject proj= (IJavaProject) JavaCore.create(curr.getResource()); |
| selectable.remove(proj); |
| } |
| Object[] selectArr= selectable.toArray(); |
| return selectArr; |
| } |
| |
| /** |
| * @param field the dialog field |
| */ |
| protected void projectPageDoubleClicked(TreeListDialogField<CPListElement> field) { |
| List<Object> selection= fProjectsList.getSelectedElements(); |
| if (canEdit(selection)) { |
| editEntry(); |
| } |
| } |
| |
| protected void projectPageKeyPressed(TreeListDialogField<CPListElement> field, KeyEvent event) { |
| if (field == fProjectsList) { |
| if (event.character == SWT.DEL && event.stateMask == 0) { |
| List<Object> selection= field.getSelectedElements(); |
| if (canRemove(selection)) { |
| removeEntry(); |
| } |
| } |
| } |
| } |
| |
| /** |
| * @param field the dialog field |
| */ |
| private void projectPageDialogFieldChanged(DialogField field) { |
| if (fCurrJProject != null) { |
| // already initialized |
| updateClasspathList(); |
| } |
| } |
| |
| /** |
| * @param field the dialog field |
| */ |
| private void projectPageSelectionChanged(DialogField field) { |
| List<Object> selElements= fProjectsList.getSelectedElements(); |
| |
| fProjectsList.enableButton(IDX_EDIT, canEdit(selElements)); |
| fProjectsList.enableButton(IDX_REMOVE, canRemove(selElements)); |
| |
| boolean enabled; |
| try { |
| enabled= getNotYetRequiredProjects().length > 0; |
| } catch (JavaModelException ex) { |
| enabled= false; |
| } |
| fProjectsList.enableButton(IDX_ADDPROJECT, enabled); |
| if(hasRootNodes()) { |
| fProjectsList.enableButton(IDX_ADDPROJECT, enabled && canAdd(selElements)); |
| } |
| } |
| |
| private boolean canAdd(List<Object> selElements) { |
| if (selElements.size() != 1) { |
| return false; |
| } |
| Object elem= selElements.get(0); |
| if (elem instanceof CPListElement) { |
| return ((CPListElement)elem).isRootNodeForPath(); |
| } |
| if(elem instanceof CPListElementAttribute) { |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public void setFocus() { |
| fProjectsList.setFocus(); |
| } |
| } |