/*******************************************************************************
* Copyright (c) 2000, 2007 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.newsourcepage;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.dltk.core.DLTKCore;
import org.eclipse.dltk.core.IBuildpathEntry;
import org.eclipse.dltk.core.IModelElement;
import org.eclipse.dltk.core.IProjectFragment;
import org.eclipse.dltk.core.IScriptProject;
import org.eclipse.dltk.core.ModelException;
import org.eclipse.dltk.internal.corext.buildpath.BuildpathModifier;
import org.eclipse.dltk.internal.ui.actions.ActionMessages;
import org.eclipse.dltk.internal.ui.wizards.NewWizardMessages;
import org.eclipse.dltk.internal.ui.wizards.buildpath.AddSourceFolderWizard;
import org.eclipse.dltk.internal.ui.wizards.buildpath.BPListElement;
import org.eclipse.dltk.internal.ui.wizards.buildpath.EditFilterWizard;
import org.eclipse.dltk.ui.DLTKPluginImages;
import org.eclipse.dltk.ui.IContextMenuConstants;
import org.eclipse.dltk.ui.actions.AbstractOpenWizardAction;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.action.IMenuListener;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.jface.viewers.ISelection;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.ISelectionProvider;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.INewWizard;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.IWorkbenchSite;
import org.eclipse.ui.IWorkingSet;
import org.eclipse.ui.actions.ActionGroup;
import org.eclipse.ui.part.Page;
import org.eclipse.ui.texteditor.IUpdate;
/**
* Action group that adds the source and generate actions to a part's context
* menu and installs handlers for the corresponding global menu actions.
*
* <p>
* This class may be instantiated; it is not intended to be subclassed.
* </p>
*
*
*/
public class GenerateBuildPathActionGroup extends ActionGroup {
/**
* Pop-up menu: id of the source sub menu (value
* <code>org.eclipse.dltk.ui.buildpath.menu</code>).
*
*
*/
public static final String MENU_ID = "org.eclipse.dltk.ui.buildpath.menu"; //$NON-NLS-1$
/**
* Pop-up menu: id of the build path (add /remove) group of the build path
* sub menu (value <code>buildpathGroup</code>).
*
*
*/
public static final String GROUP_BUILDPATH = "buildpathGroup"; //$NON-NLS-1$
/**
* Pop-up menu: id of the filter (include / exclude) group of the build path
* sub menu (value <code>filterGroup</code>).
*
*
*/
public static final String GROUP_FILTER = "filterGroup"; //$NON-NLS-1$
/**
* Pop-up menu: id of the customize (filters / output folder) group of the
* build path sub menu (value <code>customizeGroup</code>).
*
*
*/
public static final String GROUP_CUSTOMIZE = "customizeGroup"; //$NON-NLS-1$
private static class NoActionAvailable extends Action {
public NoActionAvailable() {
setEnabled(false);
setText(NewWizardMessages.GenerateBuildPathActionGroup_no_action_available);
}
}
private Action fNoActionAvailable = new NoActionAvailable();
private static abstract class OpenBuildPathWizardAction extends
AbstractOpenWizardAction implements ISelectionChangedListener {
/**
* {@inheritDoc}
*/
public void selectionChanged(SelectionChangedEvent event) {
ISelection selection = event.getSelection();
if (selection instanceof IStructuredSelection) {
setEnabled(selectionChanged((IStructuredSelection) selection));
} else {
setEnabled(selectionChanged(StructuredSelection.EMPTY));
}
}
// Needs to be public for the operation, will be protected later.
public abstract boolean selectionChanged(IStructuredSelection selection);
}
private abstract static class CreateSourceFolderAction extends
OpenBuildPathWizardAction {
private AddSourceFolderWizard fAddSourceFolderWizard;
private IScriptProject fSelectedProject;
private final boolean fIsLinked;
public CreateSourceFolderAction(boolean isLinked) {
fIsLinked = isLinked;
}
/**
* {@inheritDoc}
*/
protected INewWizard createWizard() throws CoreException {
BPListElement newEntrie = new BPListElement(fSelectedProject,
IBuildpathEntry.BPE_SOURCE, false);
BPListElement[] existing = BPListElement
.createFromExisting(fSelectedProject);
boolean isProjectSrcFolder = BPListElement.isProjectSourceFolder(
existing, fSelectedProject);
fAddSourceFolderWizard = new AddSourceFolderWizard(existing,
newEntrie, fIsLinked, false, false, isProjectSrcFolder,
isProjectSrcFolder);
return fAddSourceFolderWizard;
}
/**
* {@inheritDoc}
*/
public boolean selectionChanged(IStructuredSelection selection) {
if (selection.size() == 1) {
final Object first = selection.getFirstElement();
if (first instanceof IScriptProject) {
fSelectedProject = (IScriptProject) first;
return true;
} else if (first instanceof IProject) {
IScriptProject scriptProject = DLTKCore
.create((IProject) first);
if (scriptProject.isValid()) {
fSelectedProject = scriptProject;
return true;
}
}
}
return false;
}
public List getBPListElements() {
return fAddSourceFolderWizard.getExistingEntries();
}
}
public static class CreateLocalSourceFolderAction extends
CreateSourceFolderAction {
public CreateLocalSourceFolderAction() {
super(false);
setText(ActionMessages.OpenNewSourceFolderWizardAction_text2);
setDescription(ActionMessages.OpenNewSourceFolderWizardAction_description);
setToolTipText(ActionMessages.OpenNewSourceFolderWizardAction_tooltip);
setImageDescriptor(DLTKPluginImages.DESC_TOOL_NEWPACKROOT);
if (DLTKCore.DEBUG) {
System.err.println("Add help support here..."); //$NON-NLS-1$
}
// PlatformUI.getWorkbench().getHelpSystem().setHelp(this,
// IDLTKHelpContextIds.OPEN_SOURCEFOLDER_WIZARD_ACTION);
}
}
public static class CreateLinkedSourceFolderAction extends
CreateSourceFolderAction {
public CreateLinkedSourceFolderAction() {
super(true);
setText(NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_Link_label);
setToolTipText(NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_Link_tooltip);
setImageDescriptor(DLTKPluginImages.DESC_ELCL_ADD_LINKED_SOURCE_TO_BUILDPATH);
setDescription(NewWizardMessages.PackageExplorerActionGroup_FormText_createLinkedFolder);
}
}
public static class EditFilterAction extends OpenBuildPathWizardAction {
private IScriptProject fSelectedProject;
private IModelElement fSelectedElement;
private EditFilterWizard fEditFilterWizard;
public EditFilterAction() {
setText(NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_Edit_label);
setDescription(NewWizardMessages.PackageExplorerActionGroup_FormText_Edit);
setToolTipText(NewWizardMessages.NewSourceContainerWorkbookPage_ToolBar_Edit_tooltip);
setImageDescriptor(DLTKPluginImages.DESC_ELCL_CONFIGURE_BUILDPATH_FILTERS);
setDisabledImageDescriptor(DLTKPluginImages.DESC_DLCL_CONFIGURE_BUILDPATH_FILTERS);
}
/**
* {@inheritDoc}
*/
protected INewWizard createWizard() throws CoreException {
BPListElement[] existingEntries = BPListElement
.createFromExisting(fSelectedProject);
BPListElement elementToEdit = findElement(fSelectedElement,
existingEntries);
fEditFilterWizard = new EditFilterWizard(existingEntries,
elementToEdit);
return fEditFilterWizard;
}
/**
* {@inheritDoc}
*/
public boolean selectionChanged(IStructuredSelection selection) {
if (selection.size() != 1)
return false;
try {
Object element = selection.getFirstElement();
if (element instanceof IScriptProject) {
IScriptProject project = (IScriptProject) element;
if (BuildpathModifier.isSourceFolder(project)) {
fSelectedProject = project;
fSelectedElement = (IModelElement) element;
return true;
}
} else if (element instanceof IProject) {
IScriptProject scriptProject = DLTKCore
.create((IProject) selection.getFirstElement());
if (scriptProject.isValid()) {
if (BuildpathModifier.isSourceFolder(scriptProject)) {
fSelectedProject = scriptProject;
fSelectedElement = scriptProject;
return true;
}
}
} else if (element instanceof IProjectFragment) {
IProjectFragment ProjectFragment = ((IProjectFragment) element);
IScriptProject project = ProjectFragment.getScriptProject();
if (ProjectFragment.getKind() == IProjectFragment.K_SOURCE
&& project != null
&& findElement((IModelElement) element,
BPListElement.createFromExisting(project)) != null) {
fSelectedProject = project;
fSelectedElement = (IModelElement) element;
return true;
}
}
} catch (ModelException e) {
return false;
}
return false;
}
private static BPListElement findElement(IModelElement element,
BPListElement[] elements) {
IPath path = element.getPath();
for (int i = 0; i < elements.length; i++) {
BPListElement cur = elements[i];
if (cur.getEntryKind() == IBuildpathEntry.BPE_SOURCE
&& cur.getPath().equals(path)) {
return cur;
}
}
return null;
}
public List getBPListElements() {
return fEditFilterWizard.getExistingEntries();
}
}
private IWorkbenchSite fSite;
private List<Action> fActions;
private String fGroupName = IContextMenuConstants.GROUP_REORGANIZE;
/**
* Creates a new <code>GenerateActionGroup</code>. The group requires that
* the selection provided by the page's selection provider is of type
* <code>org.eclipse.jface.viewers.IStructuredSelection</code>.
*
* @param page
* the page that owns this action group
*/
public GenerateBuildPathActionGroup(Page page) {
this(page.getSite());
}
/**
* Creates a new <code>GenerateActionGroup</code>. The group requires that
* the selection provided by the part's selection provider is of type
* <code>org.eclipse.jface.viewers.IStructuredSelection</code>.
*
* @param part
* the view part that owns this action group
*/
public GenerateBuildPathActionGroup(IViewPart part) {
this(part.getSite());
}
private GenerateBuildPathActionGroup(IWorkbenchSite site) {
fSite = site;
fActions = new ArrayList<Action>();
final CreateLinkedSourceFolderAction addLinkedSourceFolderAction = new CreateLinkedSourceFolderAction();
fActions.add(addLinkedSourceFolderAction);
final CreateLocalSourceFolderAction addSourceFolderAction = new CreateLocalSourceFolderAction();
fActions.add(addSourceFolderAction);
final AddFolderToBuildpathAction addFolder = new AddFolderToBuildpathAction(
site);
fActions.add(addFolder);
final AddSelectedLibraryToBuildpathAction addSelectedLibrary = new AddSelectedLibraryToBuildpathAction(
site);
fActions.add(addSelectedLibrary);
final RemoveFromBuildpathAction remove = new RemoveFromBuildpathAction(
site);
fActions.add(remove);
final AddArchiveToBuildpathAction addArchive = new AddArchiveToBuildpathAction(
site);
fActions.add(addArchive);
final AddLibraryToBuildpathAction addLibrary = new AddLibraryToBuildpathAction(
site);
fActions.add(addLibrary);
if (DLTKCore.DEBUG) {
System.err.println("Add Update Zip Action here..."); //$NON-NLS-1$
}
final ExcludeFromBuildpathAction exclude = new ExcludeFromBuildpathAction(
site);
fActions.add(exclude);
final IncludeToBuildpathAction include = new IncludeToBuildpathAction(
site);
fActions.add(include);
final EditFilterAction editFilterAction = new EditFilterAction();
fActions.add(editFilterAction);
final ConfigureBuildPathAction configure = new ConfigureBuildPathAction(
site);
fActions.add(configure);
final ISelectionProvider provider = fSite.getSelectionProvider();
for (Iterator iter = fActions.iterator(); iter.hasNext();) {
Action action = (Action) iter.next();
if (action instanceof ISelectionChangedListener) {
provider.addSelectionChangedListener((ISelectionChangedListener) action);
}
}
}
/*
* (non-Javadoc) Method declared in ActionGroup
*/
public void fillActionBars(IActionBars actionBar) {
super.fillActionBars(actionBar);
setGlobalActionHandlers(actionBar);
}
/*
* (non-Javadoc) Method declared in ActionGroup
*/
public void fillContextMenu(IMenuManager menu) {
super.fillContextMenu(menu);
if (!canOperateOnSelection())
return;
String menuText = ActionMessages.BuildPath_label;
IMenuManager subMenu = new MenuManager(menuText, MENU_ID);
subMenu.addMenuListener(new IMenuListener() {
public void menuAboutToShow(IMenuManager manager) {
fillViewSubMenu(manager);
}
});
subMenu.setRemoveAllWhenShown(true);
subMenu.add(new ConfigureBuildPathAction(fSite));
menu.appendToGroup(fGroupName, subMenu);
}
private void fillViewSubMenu(IMenuManager source) {
int added = 0;
int i = 0;
for (Iterator<Action> iter = fActions.iterator(); iter.hasNext();) {
Action action = iter.next();
if (action instanceof IUpdate)
((IUpdate) action).update();
if (i == 2)
source.add(new Separator(GROUP_BUILDPATH));
else if (i == 8)
source.add(new Separator(GROUP_FILTER));
else if (i == 10)
source.add(new Separator(GROUP_CUSTOMIZE));
added += addAction(source, action);
i++;
}
if (added == 0) {
source.add(fNoActionAvailable);
}
}
private void setGlobalActionHandlers(IActionBars actionBar) {
// TODO implement
}
private int addAction(IMenuManager menu, IAction action) {
if (action != null && action.isEnabled()) {
menu.add(action);
return 1;
}
return 0;
}
private boolean canOperateOnSelection() {
ISelection sel = fSite.getSelectionProvider().getSelection();
if (!(sel instanceof IStructuredSelection))
return false;
IStructuredSelection selection = (IStructuredSelection) sel;
if (selection == null || selection.isEmpty()) {
return false;
}
if (selection.isEmpty()) {
return false;
}
for (Iterator iter = selection.iterator(); iter.hasNext();) {
Object element = iter.next();
if (element instanceof IProject) {
IProject project = (IProject) element;
if (!project.isAccessible()) {
return false;
}
}
if (element instanceof IWorkingSet)
return false;
}
return true;
}
/**
* {@inheritDoc}
*/
public void dispose() {
if (fActions != null) {
final ISelectionProvider provider = fSite.getSelectionProvider();
for (Iterator<Action> iter = fActions.iterator(); iter.hasNext();) {
Action action = iter.next();
if (action instanceof ISelectionChangedListener)
provider.removeSelectionChangedListener((ISelectionChangedListener) action);
}
}
fActions = null;
super.dispose();
}
}