| /******************************************************************************* |
| * 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 |
| * |
| *******************************************************************************/ |
| package org.eclipse.dltk.internal.ui.wizards.buildpath; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.eclipse.dltk.core.DLTKCore; |
| import org.eclipse.dltk.core.IAccessRule; |
| import org.eclipse.dltk.core.IBuildpathEntry; |
| import org.eclipse.dltk.core.IDLTKLanguageToolkit; |
| import org.eclipse.dltk.core.IScriptModel; |
| import org.eclipse.dltk.core.IScriptProject; |
| import org.eclipse.dltk.core.ModelException; |
| import org.eclipse.dltk.internal.ui.wizards.NewWizardMessages; |
| import org.eclipse.dltk.internal.ui.wizards.dialogfields.DialogField; |
| import org.eclipse.dltk.internal.ui.wizards.dialogfields.IDialogFieldListener; |
| import org.eclipse.dltk.internal.ui.wizards.dialogfields.ITreeListAdapter; |
| import org.eclipse.dltk.internal.ui.wizards.dialogfields.LayoutUtil; |
| import org.eclipse.dltk.internal.ui.wizards.dialogfields.ListDialogField; |
| import org.eclipse.dltk.internal.ui.wizards.dialogfields.TreeListDialogField; |
| import org.eclipse.dltk.ui.DLTKUIPlugin; |
| import org.eclipse.dltk.ui.ModelElementSorter; |
| import org.eclipse.dltk.ui.util.PixelConverter; |
| import org.eclipse.dltk.ui.viewsupport.ScriptUILabelProvider; |
| import org.eclipse.jface.viewers.ArrayContentProvider; |
| import org.eclipse.jface.viewers.StructuredSelection; |
| import org.eclipse.jface.window.Window; |
| 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.ui.dialogs.ListSelectionDialog; |
| import org.eclipse.ui.preferences.IWorkbenchPreferenceContainer; |
| |
| public class ProjectsWorkbookPage extends BuildPathBasePage { |
| |
| private final int IDX_ADDPROJECT = 0; |
| |
| private final int IDX_EDIT = 2; |
| private final int IDX_REMOVE = 3; |
| |
| private ListDialogField fBuildpathList; |
| private IScriptProject fCurrJProject; |
| |
| private TreeListDialogField fProjectsList; |
| |
| private Control fSWTControl; |
| |
| private final IWorkbenchPreferenceContainer fPageContainer; |
| |
| public ProjectsWorkbookPage(ListDialogField buildpathList, |
| IWorkbenchPreferenceContainer pageContainer) { |
| fBuildpathList = buildpathList; |
| 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 BPListLabelProvider()); |
| fProjectsList.setDialogFieldListener(adapter); |
| fProjectsList.setLabelText( |
| NewWizardMessages.ProjectsWorkbookPage_projects_label); |
| |
| fProjectsList.enableButton(IDX_REMOVE, false); |
| fProjectsList.enableButton(IDX_EDIT, false); |
| |
| fProjectsList.setViewerComparator(new BPListElementSorter()); |
| } |
| |
| @Override |
| public void init(IScriptProject jproject) { |
| fCurrJProject = jproject; |
| |
| if (Display.getCurrent() != null) { |
| updateProjectsList(); |
| } else { |
| Display.getDefault().asyncExec(() -> updateProjectsList()); |
| } |
| } |
| |
| @Override |
| public void setTitle(String title) { |
| fProjectsList.setLabelText(title); |
| } |
| |
| private void updateProjectsList() { |
| // add the projects-cpentries that are already on the class path |
| List cpelements = fBuildpathList.getElements(); |
| |
| final List checkedProjects = new ArrayList(cpelements.size()); |
| |
| for (int i = cpelements.size() - 1; i >= 0; i--) { |
| BPListElement cpelem = (BPListElement) cpelements.get(i); |
| if (isEntryKind(cpelem.getEntryKind())) { |
| checkedProjects.add(cpelem); |
| } |
| } |
| fProjectsList.setElements(checkedProjects); |
| } |
| |
| // -------- 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 updateBuildpathList() { |
| List projelements = fProjectsList.getElements(); |
| |
| boolean remove = false; |
| List cpelements = fBuildpathList.getElements(); |
| // backwards, as entries will be deleted |
| for (int i = cpelements.size() - 1; i >= 0; i--) { |
| BPListElement cpe = (BPListElement) cpelements.get(i); |
| if (isEntryKind(cpe.getEntryKind())) { |
| if (!projelements.remove(cpe)) { |
| cpelements.remove(i); |
| remove = true; |
| } |
| } |
| } |
| for (int i = 0; i < projelements.size(); i++) { |
| cpelements.add(projelements.get(i)); |
| } |
| if (remove || (projelements.size() > 0)) { |
| fBuildpathList.setElements(cpelements); |
| } |
| } |
| |
| @Override |
| public List getSelection() { |
| return fProjectsList.getSelectedElements(); |
| } |
| |
| @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 == IBuildpathEntry.BPE_PROJECT; |
| } |
| |
| private class ProjectsAdapter |
| implements IDialogFieldListener, ITreeListAdapter { |
| |
| private final Object[] EMPTY_ARR = new Object[0]; |
| |
| // -------- IListAdapter -------- |
| @Override |
| public void customButtonPressed(TreeListDialogField field, int index) { |
| projectPageCustomButtonPressed(field, index); |
| } |
| |
| @Override |
| public void selectionChanged(TreeListDialogField field) { |
| projectPageSelectionChanged(field); |
| } |
| |
| @Override |
| public void doubleClicked(TreeListDialogField field) { |
| projectPageDoubleClicked(field); |
| } |
| |
| @Override |
| public void keyPressed(TreeListDialogField field, KeyEvent event) { |
| projectPageKeyPressed(field, event); |
| } |
| |
| @Override |
| public Object[] getChildren(TreeListDialogField field, Object element) { |
| if (element instanceof BPListElement) { |
| return ((BPListElement) element).getChildren(); |
| } |
| return EMPTY_ARR; |
| } |
| |
| @Override |
| public Object getParent(TreeListDialogField field, Object element) { |
| if (element instanceof BPListElementAttribute) { |
| return ((BPListElementAttribute) element).getParent(); |
| } |
| return null; |
| } |
| |
| @Override |
| public boolean hasChildren(TreeListDialogField field, Object element) { |
| return getChildren(field, element).length > 0; |
| } |
| |
| // ---------- IDialogFieldListener -------- |
| |
| @Override |
| public void dialogFieldChanged(DialogField field) { |
| projectPageDialogFieldChanged(field); |
| } |
| } |
| |
| private void projectPageCustomButtonPressed(DialogField field, int index) { |
| BPListElement[] entries = null; |
| switch (index) { |
| case IDX_ADDPROJECT: /* add project */ |
| entries = openProjectDialog(null); |
| break; |
| case IDX_EDIT: /* edit */ |
| editEntry(); |
| return; |
| case IDX_REMOVE: /* remove */ |
| removeEntry(); |
| return; |
| } |
| if (entries != null) { |
| int nElementsChosen = entries.length; |
| // remove duplicates |
| List cplist = fProjectsList.getElements(); |
| List elementsToAdd = new ArrayList(nElementsChosen); |
| for (int i = 0; i < nElementsChosen; i++) { |
| BPListElement curr = entries[i]; |
| if (!cplist.contains(curr) && !elementsToAdd.contains(curr)) { |
| elementsToAdd.add(curr); |
| } |
| } |
| |
| fProjectsList.addElements(elementsToAdd); |
| if (index == IDX_ADDPROJECT) { |
| fProjectsList.refresh(); |
| } |
| fProjectsList.postSetSelection(new StructuredSelection(entries)); |
| } |
| } |
| |
| private void removeEntry() { |
| List selElements = fProjectsList.getSelectedElements(); |
| for (int i = selElements.size() - 1; i >= 0; i--) { |
| Object elem = selElements.get(i); |
| if (elem instanceof BPListElementAttribute) { |
| BPListElementAttribute attrib = (BPListElementAttribute) elem; |
| String key = attrib.getKey(); |
| Object value = null; |
| if (key.equals(BPListElement.ACCESSRULES)) { |
| value = new IAccessRule[0]; |
| } |
| attrib.getParent().setAttribute(key, value); |
| selElements.remove(i); |
| } |
| } |
| if (selElements.isEmpty()) { |
| fProjectsList.refresh(); |
| fBuildpathList.dialogFieldChanged(); // validate |
| } else { |
| fProjectsList.removeElements(selElements); |
| } |
| } |
| |
| private boolean canRemove(List selElements) { |
| if (selElements.size() == 0) { |
| return false; |
| } |
| int elements = 0; |
| int attributes = 0; |
| for (int i = 0; i < selElements.size(); i++) { |
| Object elem = selElements.get(i); |
| if (elem instanceof BPListElementAttribute) { |
| BPListElementAttribute attrib = (BPListElementAttribute) elem; |
| if (attrib.getKey().equals(BPListElement.ACCESSRULES)) { |
| return ((IAccessRule[]) attrib.getValue()).length > 0; |
| } |
| if (attrib.getValue() == null) { |
| return false; |
| } |
| attributes++; |
| } else if (elem instanceof BPListElement) { |
| elements++; |
| } |
| } |
| return attributes == selElements.size() |
| || elements == selElements.size(); |
| } |
| |
| private boolean canEdit(List selElements) { |
| if (selElements.size() != 1) { |
| return false; |
| } |
| Object elem = selElements.get(0); |
| if (elem instanceof BPListElement) { |
| return false; |
| } |
| if (elem instanceof BPListElementAttribute) { |
| return true; |
| } |
| return false; |
| } |
| |
| /** |
| * Method editEntry. |
| */ |
| private void editEntry() { |
| List selElements = fProjectsList.getSelectedElements(); |
| if (selElements.size() != 1) { |
| return; |
| } |
| Object elem = selElements.get(0); |
| if (fProjectsList.getIndexOfElement(elem) != -1) { |
| editElementEntry((BPListElement) elem); |
| } else if (elem instanceof BPListElementAttribute) { |
| editAttributeEntry((BPListElementAttribute) elem); |
| } |
| } |
| |
| private void editAttributeEntry(BPListElementAttribute elem) { |
| String key = elem.getKey(); |
| if (key.equals(BPListElement.ACCESSRULES)) { |
| showAccessRestrictionDialog(elem.getParent()); |
| } |
| // else if (key.equals(BPListElement.NATIVE_LIB_PATH)) { |
| // BPListElement selElement= elem.getParent(); |
| // NativeLibrariesDialog dialog= new NativeLibrariesDialog(getShell(), |
| // selElement); |
| // if (dialog.open() == Window.OK) { |
| // selElement.setAttribute(BPListElement.NATIVE_LIB_PATH, |
| // dialog.getNativeLibraryPath()); |
| // fProjectsList.refresh(); |
| // fClassPathList.dialogFieldChanged(); // validate |
| // } |
| // } |
| } |
| |
| private void showAccessRestrictionDialog(BPListElement selElement) { |
| AccessRulesDialog dialog = new AccessRulesDialog(getShell(), selElement, |
| fCurrJProject, fPageContainer != null); |
| int res = dialog.open(); |
| if (res == Window.OK || res == AccessRulesDialog.SWITCH_PAGE) { |
| selElement.setAttribute(BPListElement.ACCESSRULES, |
| dialog.getAccessRules()); |
| selElement.setAttribute(BPListElement.COMBINE_ACCESSRULES, |
| dialog.doCombineAccessRules()); |
| fProjectsList.refresh(); |
| fBuildpathList.dialogFieldChanged(); // validate |
| |
| if (res == AccessRulesDialog.SWITCH_PAGE) { |
| dialog.performPageSwitch(fPageContainer); |
| } |
| } |
| } |
| |
| private void editElementEntry(BPListElement elem) { |
| BPListElement[] res = openProjectDialog(elem); |
| if (res != null && res.length > 0) { |
| BPListElement curr = res[0]; |
| curr.setExported(elem.isExported()); |
| fProjectsList.replaceElement(elem, curr); |
| } |
| |
| } |
| |
| private Shell getShell() { |
| if (fSWTControl != null) { |
| return fSWTControl.getShell(); |
| } |
| return DLTKUIPlugin.getActiveWorkbenchShell(); |
| } |
| |
| private BPListElement[] openProjectDialog(BPListElement elem) { |
| |
| try { |
| ArrayList selectable = new ArrayList(); |
| final IScriptModel model = fCurrJProject.getModel(); |
| final IDLTKLanguageToolkit toolkit = fCurrJProject |
| .getLanguageToolkit(); |
| selectable.addAll(Arrays.asList(toolkit != null |
| ? model.getScriptProjects(toolkit.getNatureId()) |
| : model.getScriptProjects())); |
| selectable.remove(fCurrJProject); |
| |
| List elements = fProjectsList.getElements(); |
| for (int i = 0; i < elements.size(); i++) { |
| BPListElement curr = (BPListElement) elements.get(0); |
| IScriptProject proj = (IScriptProject) DLTKCore |
| .create(curr.getResource()); |
| selectable.remove(proj); |
| } |
| Object[] selectArr = selectable.toArray(); |
| new ModelElementSorter().sort(null, selectArr); |
| // IScriptProject project = elem.getScriptProject(); |
| ScriptUILabelProvider labelProvider = new ScriptUILabelProvider(); |
| ListSelectionDialog dialog = new ListSelectionDialog(getShell(), |
| Arrays.asList(selectArr), new ArrayContentProvider(), |
| labelProvider, |
| NewWizardMessages.ProjectsWorkbookPage_chooseProjects_message); |
| dialog.setTitle( |
| NewWizardMessages.ProjectsWorkbookPage_chooseProjects_title); |
| dialog.setHelpAvailable(false); |
| if (dialog.open() == Window.OK) { |
| Object[] result = dialog.getResult(); |
| BPListElement[] cpElements = new BPListElement[result.length]; |
| for (int i = 0; i < result.length; i++) { |
| IScriptProject curr = (IScriptProject) result[i]; |
| cpElements[i] = new BPListElement(fCurrJProject, |
| IBuildpathEntry.BPE_PROJECT, curr.getPath(), |
| curr.getResource(), false); |
| } |
| return cpElements; |
| } |
| } catch (ModelException e) { |
| return null; |
| } |
| return null; |
| } |
| |
| protected void projectPageDoubleClicked(TreeListDialogField field) { |
| List selection = fProjectsList.getSelectedElements(); |
| if (canEdit(selection)) { |
| editEntry(); |
| } |
| } |
| |
| protected void projectPageKeyPressed(TreeListDialogField field, |
| KeyEvent event) { |
| if (field == fProjectsList) { |
| if (event.character == SWT.DEL && event.stateMask == 0) { |
| List selection = field.getSelectedElements(); |
| if (canRemove(selection)) { |
| removeEntry(); |
| } |
| } |
| } |
| } |
| |
| private void projectPageDialogFieldChanged(DialogField field) { |
| if (fCurrJProject != null) { |
| // already initialized |
| updateBuildpathList(); |
| } |
| } |
| |
| private void projectPageSelectionChanged(DialogField field) { |
| List selElements = fProjectsList.getSelectedElements(); |
| fProjectsList.enableButton(IDX_EDIT, canEdit(selElements)); |
| fProjectsList.enableButton(IDX_REMOVE, canRemove(selElements)); |
| |
| boolean noAttributes = containsOnlyTopLevelEntries(selElements); |
| fProjectsList.enableButton(IDX_ADDPROJECT, noAttributes); |
| } |
| |
| } |
