/*******************************************************************************
* Copyright (c) 2000, 2008 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
*
* Contributors:
* IBM Corporation - initial API and implementation
* Markus Alexander Kuppe, Versant GmbH - bug 215797
*******************************************************************************/
package org.eclipse.ui.internal;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.MultiStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.dialogs.ErrorDialog;
import org.eclipse.jface.dialogs.MessageDialog;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.util.Geometry;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.ui.IMemento;
import org.eclipse.ui.IPageLayout;
import org.eclipse.ui.IPerspectiveDescriptor;
import org.eclipse.ui.IPerspectiveFactory;
import org.eclipse.ui.IPlaceholderFolderLayout;
import org.eclipse.ui.IViewLayout;
import org.eclipse.ui.IViewPart;
import org.eclipse.ui.IViewReference;
import org.eclipse.ui.IViewSite;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchPartReference;
import org.eclipse.ui.IWorkbenchPreferenceConstants;
import org.eclipse.ui.IWorkbenchWindow;
import org.eclipse.ui.PartInitException;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.WorkbenchException;
import org.eclipse.ui.XMLMemento;
import org.eclipse.ui.contexts.IContextService;
import org.eclipse.ui.internal.StartupThreading.StartupRunnable;
import org.eclipse.ui.internal.contexts.ContextAuthority;
import org.eclipse.ui.internal.intro.IIntroConstants;
import org.eclipse.ui.internal.layout.ITrimManager;
import org.eclipse.ui.internal.layout.IWindowTrim;
import org.eclipse.ui.internal.layout.TrimLayout;
import org.eclipse.ui.internal.misc.StatusUtil;
import org.eclipse.ui.internal.registry.ActionSetRegistry;
import org.eclipse.ui.internal.registry.IActionSetDescriptor;
import org.eclipse.ui.internal.registry.IWorkbenchRegistryConstants;
import org.eclipse.ui.internal.registry.PerspectiveDescriptor;
import org.eclipse.ui.internal.registry.PerspectiveExtensionReader;
import org.eclipse.ui.internal.registry.PerspectiveRegistry;
import org.eclipse.ui.internal.registry.StickyViewDescriptor;
import org.eclipse.ui.internal.util.PrefUtil;
import org.eclipse.ui.presentations.AbstractPresentationFactory;
import org.eclipse.ui.presentations.IStackPresentationSite;
import org.eclipse.ui.statushandlers.StatusManager;
import org.eclipse.ui.views.IStickyViewDescriptor;
import org.eclipse.ui.views.IViewDescriptor;
import org.eclipse.ui.views.IViewRegistry;
/**
* The ViewManager is a factory for workbench views.
*/
public class Perspective {
protected PerspectiveDescriptor descriptor;
protected WorkbenchPage page;
// Editor Area management
protected LayoutPart editorArea;
protected PartPlaceholder editorHolder;
protected boolean editorHidden = false;
protected boolean editorAreaRestoreOnUnzoom = false;
protected int editorAreaState = IStackPresentationSite.STATE_RESTORED;
private ViewFactory viewFactory;
protected ArrayList alwaysOnActionSets;
protected ArrayList alwaysOffActionSets;
protected ArrayList newWizardShortcuts;
protected ArrayList showViewShortcuts;
protected ArrayList perspectiveShortcuts;
//private List fastViews;
protected FastViewManager fastViewManager = null;
private Map mapIDtoViewLayoutRec;
protected boolean fixed;
protected ArrayList showInPartIds;
protected HashMap showInTimes = new HashMap();
private IViewReference activeFastView;
protected IMemento memento;
protected PerspectiveHelper presentation;
final static private String VERSION_STRING = "0.016";//$NON-NLS-1$
private FastViewPane fastViewPane = new FastViewPane();
// fields used by fast view resizing via a sash
private static final int FASTVIEW_HIDE_STEPS = 5;
/**
* Reference to the part that was previously active
* when this perspective was deactivated.
*/
private IWorkbenchPartReference oldPartRef = null;
protected boolean shouldHideEditorsOnActivate = false;
protected PageLayout layout;
/**
* ViewManager constructor comment.
*/
public Perspective(PerspectiveDescriptor desc, WorkbenchPage page)
throws WorkbenchException {
this(page);
descriptor = desc;
if (desc != null) {
createPresentation(desc);
}
}
/**
* ViewManager constructor comment.
*/
protected Perspective(WorkbenchPage page) throws WorkbenchException {
this.page = page;
this.editorArea = page.getEditorPresentation().getLayoutPart();
this.viewFactory = page.getViewFactory();
alwaysOnActionSets = new ArrayList(2);
alwaysOffActionSets = new ArrayList(2);
// We'll only make a FastView Manager if there's a
// Trim manager in the WorkbenchWindow
IWorkbenchWindow wbw = page.getWorkbenchWindow();
if (wbw instanceof WorkbenchWindow) {
if (((WorkbenchWindow)wbw).getTrimManager() != null)
fastViewManager = new FastViewManager(this, page);
}
mapIDtoViewLayoutRec = new HashMap();
}
/**
* Sets the fast view attribute. Note: The page is expected to update action
* bars.
*/
public void makeFastView(IViewReference ref) {
addFastView(ref, true);
}
/**
* Sets the fast view attribute. Note: The page is expected to update action
* bars.
*/
public void addFastView(IViewReference ref, boolean handleLayout) {
ViewPane pane = (ViewPane) ((WorkbenchPartReference) ref).getPane();
if (!isFastView(ref)) {
if (handleLayout) {
// Only remove the part from the presentation if it
// is actually in the presentation.
if (presentation.hasPlaceholder(ref.getId(), ref.getSecondaryId())
|| pane.getContainer() != null) {
presentation.removePart(pane);
}
}
// We are drag-enabling the pane because it has been disabled
// when it was removed from the perspective presentation.
pane.setFast(true);
Control ctrl = pane.getControl();
if (ctrl != null) {
ctrl.setEnabled(false); // Remove focus support.
}
}
}
/**
* Moves a part forward in the Z order of a perspective so it is visible.
*
* @param part the part to bring to move forward
* @return true if the part was brought to top, false if not.
*/
public boolean bringToTop(IViewReference ref) {
if (isFastView(ref)) {
setActiveFastView(ref);
return true;
} else {
return presentation.bringPartToTop(getPane(ref));
}
}
/**
* Returns whether a view exists within the perspective.
*/
public boolean containsView(IViewPart view) {
IViewSite site = view.getViewSite();
IViewReference ref = findView(site.getId(), site.getSecondaryId());
if (ref == null) {
return false;
}
return (view == ref.getPart(false));
}
/**
* Create the initial list of action sets.
*/
protected void createInitialActionSets(List outputList, List stringList) {
ActionSetRegistry reg = WorkbenchPlugin.getDefault()
.getActionSetRegistry();
Iterator iter = stringList.iterator();
while (iter.hasNext()) {
String id = (String) iter.next();
IActionSetDescriptor desc = reg.findActionSet(id);
if (desc != null) {
outputList.add(desc);
} else {
WorkbenchPlugin.log("Unable to find Action Set: " + id);//$NON-NLS-1$
}
}
}
/**
* Create a presentation for a perspective.
*/
private void createPresentation(PerspectiveDescriptor persp)
throws WorkbenchException {
if (persp.hasCustomDefinition()) {
loadCustomPersp(persp);
} else {
loadPredefinedPersp(persp);
}
}
/**
* Dispose the perspective and all views contained within.
*/
public void dispose() {
// Get rid of presentation.
if (presentation == null) {
disposeViewRefs();
return;
}
presentation.deactivate();
presentation.dispose();
fastViewPane.dispose();
// Release each view.
IViewReference refs[] = getViewReferences();
for (int i = 0, length = refs.length; i < length; i++) {
getViewFactory().releaseView(refs[i]);
}
mapIDtoViewLayoutRec.clear();
}
private void disposeViewRefs() {
if (memento == null) {
return;
}
IMemento views[] = memento.getChildren(IWorkbenchConstants.TAG_VIEW);
for (int x = 0; x < views.length; x++) {
// Get the view details.
IMemento childMem = views[x];
String id = childMem.getString(IWorkbenchConstants.TAG_ID);
// skip creation of the intro reference - it's handled elsewhere.
if (id.equals(IIntroConstants.INTRO_VIEW_ID)) {
continue;
}
String secondaryId = ViewFactory.extractSecondaryId(id);
if (secondaryId != null) {
id = ViewFactory.extractPrimaryId(id);
}
// Create and open the view.
if (!"true".equals(childMem.getString(IWorkbenchConstants.TAG_REMOVED))) { //$NON-NLS-1$
IViewReference ref = viewFactory.getView(id, secondaryId);
if (ref != null) {
viewFactory.releaseView(ref);
}
}
}
}
/**
* Finds the view with the given ID that is open in this page, or
* <code>null</code> if not found.
*
* @param viewId
* the view ID
*/
public IViewReference findView(String viewId) {
return findView(viewId, null);
}
/**
* Finds the view with the given id and secondary id that is open in this page,
* or <code>null</code> if not found.
*
* @param viewId the view ID
* @param secondaryId the secondary ID
*/
public IViewReference findView(String id, String secondaryId) {
IViewReference refs[] = getViewReferences();
for (int i = 0; i < refs.length; i++) {
IViewReference ref = refs[i];
if (id.equals(ref.getId())
&& (secondaryId == null ? ref.getSecondaryId() == null
: secondaryId.equals(ref.getSecondaryId()))) {
return ref;
}
}
return null;
}
/**
* Returns the window's client composite widget
* which views and editor area will be parented.
*/
public Composite getClientComposite() {
return page.getClientComposite();
}
/**
* Returns the perspective.
*/
public IPerspectiveDescriptor getDesc() {
return descriptor;
}
/**
* Returns the bounds of the given fast view.
*/
/*package*/Rectangle getFastViewBounds(IViewReference ref) {
// Copy the bounds of the page composite
Rectangle bounds = page.getClientComposite().getBounds();
// get the width ratio of the fast view
float ratio = getFastViewWidthRatio(ref);
// Compute the actual width of the fast view.
bounds.width = (int) (ratio * getClientComposite().getSize().x);
return bounds;
}
/**
* Returns the docked views.
*/
public IViewReference[] getFastViews() {
if (fastViewManager == null)
return new IViewReference[0];
List trueFVBRefs = fastViewManager.getFastViews(FastViewBar.FASTVIEWBAR_ID);
IViewReference array[] = new IViewReference[trueFVBRefs.size()];
trueFVBRefs.toArray(array);
return array;
}
/**
* Returns the new wizard shortcuts associated with this perspective.
*
* @return an array of new wizard identifiers
*/
public String[] getNewWizardShortcuts() {
return (String[]) newWizardShortcuts.toArray(new String[newWizardShortcuts.size()]);
}
/**
* Returns the pane for a view reference.
*/
protected ViewPane getPane(IViewReference ref) {
return (ViewPane) ((WorkbenchPartReference) ref).getPane();
}
/**
* Returns the perspective shortcuts associated with this perspective.
*
* @return an array of perspective identifiers
*/
public String[] getPerspectiveShortcuts() {
return (String[]) perspectiveShortcuts.toArray(new String[perspectiveShortcuts.size()]);
}
/**
* Returns the presentation.
*/
public PerspectiveHelper getPresentation() {
return presentation;
}
/**
* Retrieves the fast view width ratio for the given view.
* If the ratio is not known, the default ratio for the view is assigned and returned.
*/
public float getFastViewWidthRatio(IViewReference ref) {
ViewLayoutRec rec = getViewLayoutRec(ref, true);
if (rec.fastViewWidthRatio == IPageLayout.INVALID_RATIO) {
IViewRegistry reg = WorkbenchPlugin.getDefault().getViewRegistry();
IViewDescriptor desc = reg.find(ref.getId());
rec.fastViewWidthRatio =
(desc != null
? desc.getFastViewWidthRatio()
: IPageLayout.DEFAULT_FASTVIEW_RATIO);
}
return rec.fastViewWidthRatio;
}
/**
* Returns the ids of the parts to list in the Show In... dialog.
* This is a List of Strings.
*/
public ArrayList getShowInPartIds() {
return showInPartIds;
}
/**
* Returns the time at which the last Show In was performed
* for the given target part, or 0 if unknown.
*/
public long getShowInTime(String partId) {
Long t = (Long) showInTimes.get(partId);
return t == null ? 0L : t.longValue();
}
/**
* Returns the show view shortcuts associated with this perspective.
*
* @return an array of view identifiers
*/
public String[] getShowViewShortcuts() {
return (String[]) showViewShortcuts.toArray(new String[showViewShortcuts.size()]);
}
/**
* Returns the view factory.
*/
public ViewFactory getViewFactory() {
return viewFactory;
}
/**
* See IWorkbenchPage.
*/
public IViewReference[] getViewReferences() {
// Get normal views.
if (presentation == null) {
return new IViewReference[0];
}
List panes = new ArrayList(5);
presentation.collectViewPanes(panes);
List fastViews = (fastViewManager != null) ?
fastViewManager.getFastViews(null)
: new ArrayList();
IViewReference[] resultArray = new IViewReference[panes.size()
+ fastViews.size()];
// Copy fast views.
int nView = 0;
for (int i = 0; i < fastViews.size(); i++) {
resultArray[nView] = (IViewReference) fastViews.get(i);
++nView;
}
// Copy normal views.
for (int i = 0; i < panes.size(); i++) {
ViewPane pane = (ViewPane) panes.get(i);
resultArray[nView] = pane.getViewReference();
++nView;
}
return resultArray;
}
/**
* Hide the editor area if visible
*/
protected void hideEditorArea() {
if (!isEditorAreaVisible()) {
return;
}
// Show the editor in the appropriate location
if (useNewMinMax(this)) {
// If it's the currently maximized part we have to restore first
if (getPresentation().getMaximizedStack() instanceof EditorStack) {
getPresentation().getMaximizedStack().setState(IStackPresentationSite.STATE_RESTORED);
}
boolean isMinimized = editorAreaState == IStackPresentationSite.STATE_MINIMIZED;
if (!isMinimized)
hideEditorAreaLocal();
else
setEditorAreaTrimVisibility(false);
}
else {
hideEditorAreaLocal();
}
editorHidden = true;
}
/**
* Hide the editor area if visible
*/
protected void hideEditorAreaLocal() {
if (editorHolder != null) {
return;
}
// Replace the editor area with a placeholder so we
// know where to put it back on show editor area request.
editorHolder = new PartPlaceholder(editorArea.getID());
presentation.getLayout().replace(editorArea, editorHolder);
}
/**
* Hides a fast view. The view shrinks equally <code>steps</code> times
* before disappearing completely.
*/
private void hideFastView(IViewReference ref, int steps) {
setFastViewIconSelection(ref, false);
// Note: We always do at least one step of the animation.
// Note: This doesn't take into account the overhead of doing
if (ref == activeFastView) {
saveFastViewWidthRatio();
fastViewPane.hideView();
}
}
/**
* Hides the fast view sash for zooming in a fast view.
*/
void hideFastViewSash() {
fastViewPane.hideFastViewSash();
}
public boolean hideView(IViewReference ref) {
// If the view is locked just return.
ViewPane pane = getPane(ref);
// Remove the view from the current presentation.
if (isFastView(ref)) {
if (pane != null) {
pane.setFast(false); //force an update of the toolbar
}
if (activeFastView == ref) {
setActiveFastView(null);
}
if (pane != null) {
pane.getControl().setEnabled(true);
}
} else {
presentation.removePart(pane);
}
// Dispose view if ref count == 0.
getViewFactory().releaseView(ref);
return true;
}
/*
* Return whether the editor area is visible or not.
*/
protected boolean isEditorAreaVisible() {
return !editorHidden;
}
/**
* Returns true if a view is fast.
*/
public boolean isFastView(IViewReference ref) {
if (fastViewManager == null)
return false;
return fastViewManager.isFastView(ref);
}
/**
* Returns the view layout rec for the given view reference,
* or null if not found. If create is true, it creates the record
* if not already created.
*/
public ViewLayoutRec getViewLayoutRec(IViewReference ref, boolean create) {
ViewLayoutRec result = getViewLayoutRec(ViewFactory.getKey(ref), create);
if (result == null && create==false) {
result = getViewLayoutRec(ref.getId(), false);
}
return result;
}
/**
* Returns the view layout record for the given view id
* or null if not found. If create is true, it creates the record
* if not already created.
*/
private ViewLayoutRec getViewLayoutRec(String viewId, boolean create) {
ViewLayoutRec rec = (ViewLayoutRec) mapIDtoViewLayoutRec.get(viewId);
if (rec == null && create) {
rec = new ViewLayoutRec();
mapIDtoViewLayoutRec.put(viewId, rec);
}
return rec;
}
/**
* Returns true if a layout or perspective is fixed.
*/
public boolean isFixedLayout() {
//@issue is there a difference between a fixed
//layout and a fixed perspective?? If not the API
//may need some polish, WorkbenchPage, PageLayout
//and Perspective all have isFixed methods.
//PageLayout and Perspective have their own fixed
//attribute, we are assuming they are always in sync.
//WorkbenchPage delegates to the perspective.
return fixed;
}
/**
* Returns true if a view is standalone.
*
* @since 3.0
*/
public boolean isStandaloneView(IViewReference ref) {
ViewLayoutRec rec = getViewLayoutRec(ref, false);
return rec != null && rec.isStandalone;
}
/**
* Returns whether the title for a view should
* be shown. This applies only to standalone views.
*
* @since 3.0
*/
public boolean getShowTitleView(IViewReference ref) {
ViewLayoutRec rec = getViewLayoutRec(ref, false);
return rec != null && rec.showTitle;
}
/**
* Creates a new presentation from a persistence file.
* Note: This method should not modify the current state of the perspective.
*/
private void loadCustomPersp(PerspectiveDescriptor persp) {
//get the layout from the registry
PerspectiveRegistry perspRegistry = (PerspectiveRegistry) WorkbenchPlugin
.getDefault().getPerspectiveRegistry();
try {
IMemento memento = perspRegistry.getCustomPersp(persp.getId());
// Restore the layout state.
MultiStatus status = new MultiStatus(
PlatformUI.PLUGIN_ID,
IStatus.OK,
NLS.bind(WorkbenchMessages.Perspective_unableToRestorePerspective, persp.getLabel()),
null);
status.merge(restoreState(memento));
status.merge(restoreState());
if (status.getSeverity() != IStatus.OK) {
unableToOpenPerspective(persp, status);
}
} catch (IOException e) {
unableToOpenPerspective(persp, null);
} catch (WorkbenchException e) {
unableToOpenPerspective(persp, e.getStatus());
}
}
private void unableToOpenPerspective(PerspectiveDescriptor persp,
IStatus status) {
PerspectiveRegistry perspRegistry = (PerspectiveRegistry) WorkbenchPlugin
.getDefault().getPerspectiveRegistry();
perspRegistry.deletePerspective(persp);
// If this is a predefined perspective, we will not be able to delete
// the perspective (we wouldn't want to). But make sure to delete the
// customized portion.
persp.deleteCustomDefinition();
String title = WorkbenchMessages.Perspective_problemRestoringTitle;
String msg = WorkbenchMessages.Perspective_errorReadingState;
if (status == null) {
MessageDialog.openError((Shell) null, title, msg);
} else {
ErrorDialog.openError((Shell) null, title, msg, status);
}
}
/**
* Create a presentation for a perspective.
* Note: This method should not modify the current state of the perspective.
*/
protected void loadPredefinedPersp(PerspectiveDescriptor persp)
throws WorkbenchException {
// Create layout engine.
IPerspectiveFactory factory = null;
try {
factory = persp.createFactory();
} catch (CoreException e) {
throw new WorkbenchException(NLS.bind(WorkbenchMessages.Perspective_unableToLoad, persp.getId() ));
}
/*
* IPerspectiveFactory#createFactory() can return null
*/
if (factory == null) {
throw new WorkbenchException(NLS.bind(WorkbenchMessages.Perspective_unableToLoad, persp.getId() ));
}
// Create layout factory.
ViewSashContainer container = new ViewSashContainer(page, getClientComposite());
layout = new PageLayout(container, getViewFactory(),
editorArea, descriptor);
layout.setFixed(descriptor.getFixed());
// add the placeholders for the sticky folders and their contents
IPlaceholderFolderLayout stickyFolderRight = null, stickyFolderLeft = null, stickyFolderTop = null, stickyFolderBottom = null;
IStickyViewDescriptor[] descs = WorkbenchPlugin.getDefault()
.getViewRegistry().getStickyViews();
for (int i = 0; i < descs.length; i++) {
IStickyViewDescriptor stickyViewDescriptor = descs[i];
String id = stickyViewDescriptor.getId();
switch (stickyViewDescriptor.getLocation()) {
case IPageLayout.RIGHT:
if (stickyFolderRight == null) {
stickyFolderRight = layout
.createPlaceholderFolder(
StickyViewDescriptor.STICKY_FOLDER_RIGHT,
IPageLayout.RIGHT, .75f,
IPageLayout.ID_EDITOR_AREA);
}
stickyFolderRight.addPlaceholder(id);
break;
case IPageLayout.LEFT:
if (stickyFolderLeft == null) {
stickyFolderLeft = layout.createPlaceholderFolder(
StickyViewDescriptor.STICKY_FOLDER_LEFT,
IPageLayout.LEFT, .25f, IPageLayout.ID_EDITOR_AREA);
}
stickyFolderLeft.addPlaceholder(id);
break;
case IPageLayout.TOP:
if (stickyFolderTop == null) {
stickyFolderTop = layout.createPlaceholderFolder(
StickyViewDescriptor.STICKY_FOLDER_TOP,
IPageLayout.TOP, .25f, IPageLayout.ID_EDITOR_AREA);
}
stickyFolderTop.addPlaceholder(id);
break;
case IPageLayout.BOTTOM:
if (stickyFolderBottom == null) {
stickyFolderBottom = layout.createPlaceholderFolder(
StickyViewDescriptor.STICKY_FOLDER_BOTTOM,
IPageLayout.BOTTOM, .75f,
IPageLayout.ID_EDITOR_AREA);
}
stickyFolderBottom.addPlaceholder(id);
break;
}
//should never be null as we've just added the view above
IViewLayout viewLayout = layout.getViewLayout(id);
viewLayout.setCloseable(stickyViewDescriptor.isCloseable());
viewLayout.setMoveable(stickyViewDescriptor.isMoveable());
}
// Run layout engine.
factory.createInitialLayout(layout);
PerspectiveExtensionReader extender = new PerspectiveExtensionReader();
extender.extendLayout(page.getExtensionTracker(), descriptor.getId(), layout);
// Retrieve view layout info stored in the page layout.
mapIDtoViewLayoutRec.putAll(layout.getIDtoViewLayoutRecMap());
// Create action sets.
List temp = new ArrayList();
createInitialActionSets(temp, layout.getActionSets());
IContextService service = null;
if (page != null) {
service = (IContextService) page.getWorkbenchWindow().getService(
IContextService.class);
}
try {
if (service!=null) {
service.activateContext(ContextAuthority.DEFER_EVENTS);
}
for (Iterator iter = temp.iterator(); iter.hasNext();) {
IActionSetDescriptor descriptor = (IActionSetDescriptor) iter
.next();
addAlwaysOn(descriptor);
}
} finally {
if (service!=null) {
service.activateContext(ContextAuthority.SEND_EVENTS);
}
}
newWizardShortcuts = layout.getNewWizardShortcuts();
showViewShortcuts = layout.getShowViewShortcuts();
perspectiveShortcuts = layout.getPerspectiveShortcuts();
showInPartIds = layout.getShowInPartIds();
// Retrieve fast views
if (fastViewManager != null) {
ArrayList fastViews = layout.getFastViews();
for (Iterator fvIter = fastViews.iterator(); fvIter.hasNext();) {
IViewReference ref = (IViewReference) fvIter.next();
fastViewManager.addViewReference(FastViewBar.FASTVIEWBAR_ID, -1, ref,
!fvIter.hasNext());
}
}
// Is the layout fixed
fixed = layout.isFixed();
// Create presentation.
presentation = new PerspectiveHelper(page, container, this);
// Hide editor area if requested by factory
if (!layout.isEditorAreaVisible()) {
hideEditorArea();
}
}
private void removeAlwaysOn(IActionSetDescriptor descriptor) {
if (descriptor == null) {
return;
}
if (!alwaysOnActionSets.contains(descriptor)) {
return;
}
alwaysOnActionSets.remove(descriptor);
if (page != null) {
page.perspectiveActionSetChanged(this, descriptor, ActionSetManager.CHANGE_HIDE);
}
}
protected void addAlwaysOff(IActionSetDescriptor descriptor) {
if (descriptor == null) {
return;
}
if (alwaysOffActionSets.contains(descriptor)) {
return;
}
alwaysOffActionSets.add(descriptor);
if (page != null) {
page.perspectiveActionSetChanged(this, descriptor, ActionSetManager.CHANGE_MASK);
}
removeAlwaysOn(descriptor);
}
protected void addAlwaysOn(IActionSetDescriptor descriptor) {
if (descriptor == null) {
return;
}
if (alwaysOnActionSets.contains(descriptor)) {
return;
}
alwaysOnActionSets.add(descriptor);
if (page != null) {
page.perspectiveActionSetChanged(this, descriptor, ActionSetManager.CHANGE_SHOW);
}
removeAlwaysOff(descriptor);
}
private void removeAlwaysOff(IActionSetDescriptor descriptor) {
if (descriptor == null) {
return;
}
if (!alwaysOffActionSets.contains(descriptor)) {
return;
}
alwaysOffActionSets.remove(descriptor);
if (page != null) {
page.perspectiveActionSetChanged(this, descriptor, ActionSetManager.CHANGE_UNMASK);
}
}
/**
* activate.
*/
protected void onActivate() {
// Update editor area state.
if (editorArea.getControl() != null) {
boolean visible = isEditorAreaVisible();
boolean inTrim = editorAreaState == IStackPresentationSite.STATE_MINIMIZED;
// Funky check: Intro uses the old zoom behaviour when maximized. Make sure we don't show the
// editor if it's supposed to be hidden because the intro is maximized. Note that
// 'childObscuredByZoom' will only respond 'true' when using the old behaviour.
boolean introMaxed = getPresentation().getLayout().childObscuredByZoom(editorArea);
editorArea.setVisible(visible && !inTrim && !introMaxed);
}
// Update fast views.
// Make sure the control for the fastviews are created so they can
// be activated.
if (fastViewManager != null) {
List fastViews = fastViewManager.getFastViews(null);
for (int i = 0; i < fastViews.size(); i++) {
ViewPane pane = getPane((IViewReference) fastViews.get(i));
if (pane != null) {
Control ctrl = pane.getControl();
if (ctrl == null) {
pane.createControl(getClientComposite());
ctrl = pane.getControl();
}
ctrl.setEnabled(false); // Remove focus support.
}
}
}
// Set the visibility of all fast view pins
setAllPinsVisible(true);
// Trim Stack Support
boolean useNewMinMax = Perspective.useNewMinMax(this);
boolean hideEditorArea = shouldHideEditorsOnActivate || (editorHidden && editorHolder == null);
// We have to set the editor area's stack state -before-
// activating the presentation since it's used there to determine
// size of the resulting stack
if (useNewMinMax && !hideEditorArea) {
refreshEditorAreaVisibility();
}
// Show the layout
presentation.activate(getClientComposite());
if (useNewMinMax) {
fastViewManager.activate();
// Move any minimized extension stacks to the trim
if (layout != null) {
// Turn aimations off
IPreferenceStore preferenceStore = PrefUtil.getAPIPreferenceStore();
boolean useAnimations = preferenceStore
.getBoolean(IWorkbenchPreferenceConstants.ENABLE_ANIMATIONS);
preferenceStore.setValue(IWorkbenchPreferenceConstants.ENABLE_ANIMATIONS, false);
List minStacks = layout.getMinimizedStacks();
for (Iterator msIter = minStacks.iterator(); msIter.hasNext();) {
ViewStack vs = (ViewStack) msIter.next();
vs.setMinimized(true);
}
// Restore the animation pref
preferenceStore.setValue(IWorkbenchPreferenceConstants.ENABLE_ANIMATIONS, useAnimations);
// this is a one-off deal...set during the extension reading
minStacks.clear();
layout = null;
}
}
else {
// Update the FVB only if not using the new min/max
WorkbenchWindow wbw = (WorkbenchWindow) page.getWorkbenchWindow();
if (wbw != null) {
ITrimManager tbm = wbw.getTrimManager();
if (tbm != null) {
IWindowTrim fvb = tbm.getTrim(FastViewBar.FASTVIEWBAR_ID);
if (fvb instanceof FastViewBar) {
((FastViewBar)fvb).update(true);
}
}
}
}
// If we are -not- using the new min/max then ensure that there
// are no stacks in the trim. This can happen when a user switches
// back to the 3.0 presentation...
if (!Perspective.useNewMinMax(this) && fastViewManager != null) {
boolean stacksWereRestored = fastViewManager.restoreAllTrimStacks();
setEditorAreaTrimVisibility(false);
// Restore any 'maximized' view stack since we've restored
// the minimized stacks
if (stacksWereRestored && presentation.getMaximizedStack() instanceof ViewStack) {
ViewStack vs = (ViewStack) presentation.getMaximizedStack();
vs.setPresentationState(IStackPresentationSite.STATE_RESTORED);
presentation.setMaximizedStack(null);
}
}
// We hide the editor area -after- the presentation activates
if (hideEditorArea) {
// We do this here to ensure that createPartControl is called on the
// top editor
// before it is hidden. See bug 20166.
hideEditorArea();
shouldHideEditorsOnActivate = false;
// this is an override so it should handle both states
if (useNewMinMax)
setEditorAreaTrimVisibility(editorAreaState == IStackPresentationSite.STATE_MINIMIZED);
}
}
/**
* deactivate.
*/
protected void onDeactivate() {
presentation.deactivate();
setActiveFastView(null);
setAllPinsVisible(false);
// Update fast views.
if (fastViewManager != null) {
List fastViews = fastViewManager.getFastViews(null);
for (int i = 0; i < fastViews.size(); i++) {
ViewPane pane = getPane((IViewReference) fastViews.get(i));
if (pane != null) {
Control ctrl = pane.getControl();
if (ctrl != null) {
ctrl.setEnabled(true); // Add focus support.
}
}
}
fastViewManager.deActivate();
}
// Ensure that the editor area trim is hidden as well
setEditorAreaTrimVisibility(false);
}
/**
* Notifies that a part has been activated.
*/
public void partActivated(IWorkbenchPart activePart) {
// If a fastview is open close it.
if (activeFastView != null
&& activeFastView.getPart(false) != activePart) {
setActiveFastView(null);
}
}
/**
* The user successfully performed a Show In... action on the specified part.
* Update the history.
*/
public void performedShowIn(String partId) {
showInTimes.put(partId, new Long(System.currentTimeMillis()));
}
/**
* Sets the fast view attribute. Note: The page is expected to update action
* bars.
*/
public void removeFastView(IViewReference ref) {
removeFastView(ref, true);
}
/**
* Sets the fast view attribute. Note: The page is expected to update action
* bars.
*/
public void removeFastView(IViewReference ref, boolean handleLayout) {
ViewPane pane = getPane(ref);
if (activeFastView == ref) {
setActiveFastView(null);
}
pane.setFast(false);
Control ctrl = pane.getControl();
if (ctrl != null) {
ctrl.setEnabled(true); // Modify focus support.
}
if (handleLayout) {
// We are disabling the pane because it will be enabled when it
// is added to the presentation. When a pane is enabled a drop
// listener is added to it, and we do not want to have multiple
// listeners for a pane
presentation.addPart(pane);
}
}
/**
* Fills a presentation with layout data.
* Note: This method should not modify the current state of the perspective.
*/
public IStatus restoreState(IMemento memento) {
MultiStatus result = new MultiStatus(
PlatformUI.PLUGIN_ID,
IStatus.OK,
WorkbenchMessages.Perspective_problemsRestoringPerspective, null);
// Create persp descriptor.
descriptor = new PerspectiveDescriptor(null, null, null);
result.add(descriptor.restoreState(memento));
PerspectiveDescriptor desc = (PerspectiveDescriptor) WorkbenchPlugin
.getDefault().getPerspectiveRegistry().findPerspectiveWithId(
descriptor.getId());
if (desc != null) {
descriptor = desc;
}
this.memento = memento;
// Add the visible views.
IMemento views[] = memento.getChildren(IWorkbenchConstants.TAG_VIEW);
result.merge(createReferences(views));
memento = memento.getChild(IWorkbenchConstants.TAG_FAST_VIEWS);
if (memento != null) {
views = memento.getChildren(IWorkbenchConstants.TAG_VIEW);
result.merge(createReferences(views));
}
return result;
}
IStatus createReferences(IMemento views[]) {
MultiStatus result = new MultiStatus(PlatformUI.PLUGIN_ID, IStatus.OK,
WorkbenchMessages.Perspective_problemsRestoringViews, null);
for (int x = 0; x < views.length; x++) {
// Get the view details.
IMemento childMem = views[x];
String id = childMem.getString(IWorkbenchConstants.TAG_ID);
// skip creation of the intro reference - it's handled elsewhere.
if (id.equals(IIntroConstants.INTRO_VIEW_ID)) {
continue;
}
String secondaryId = ViewFactory.extractSecondaryId(id);
if (secondaryId != null) {
id = ViewFactory.extractPrimaryId(id);
}
// Create and open the view.
try {
if (!"true".equals(childMem.getString(IWorkbenchConstants.TAG_REMOVED))) { //$NON-NLS-1$
viewFactory.createView(id, secondaryId);
}
} catch (PartInitException e) {
childMem.putString(IWorkbenchConstants.TAG_REMOVED, "true"); //$NON-NLS-1$
result.add(StatusUtil.newStatus(IStatus.ERROR,
e.getMessage() == null ? "" : e.getMessage(), //$NON-NLS-1$
e));
}
}
return result;
}
/**
* Fills a presentation with layout data.
* Note: This method should not modify the current state of the perspective.
*/
public IStatus restoreState() {
if (this.memento == null) {
return new Status(IStatus.OK, PlatformUI.PLUGIN_ID, 0, "", null); //$NON-NLS-1$
}
MultiStatus result = new MultiStatus(
PlatformUI.PLUGIN_ID,
IStatus.OK,
WorkbenchMessages.Perspective_problemsRestoringPerspective, null);
IMemento memento = this.memento;
this.memento = null;
final IMemento boundsMem = memento.getChild(IWorkbenchConstants.TAG_WINDOW);
if (boundsMem != null) {
final Rectangle r = new Rectangle(0, 0, 0, 0);
r.x = boundsMem.getInteger(IWorkbenchConstants.TAG_X).intValue();
r.y = boundsMem.getInteger(IWorkbenchConstants.TAG_Y).intValue();
r.height = boundsMem.getInteger(IWorkbenchConstants.TAG_HEIGHT)
.intValue();
r.width = boundsMem.getInteger(IWorkbenchConstants.TAG_WIDTH)
.intValue();
StartupThreading.runWithoutExceptions(new StartupRunnable() {
public void runWithException() throws Throwable {
if (page.getWorkbenchWindow().getPages().length == 0) {
page.getWorkbenchWindow().getShell().setBounds(r);
}
}
});
}
// Create an empty presentation..
final PerspectiveHelper [] presArray = new PerspectiveHelper[1];
StartupThreading.runWithoutExceptions(new StartupRunnable() {
public void runWithException() throws Throwable {
ViewSashContainer mainLayout = new ViewSashContainer(page, getClientComposite());
presArray[0] = new PerspectiveHelper(page, mainLayout, Perspective.this);
}});
final PerspectiveHelper pres = presArray[0];
// Read the layout.
result.merge(pres.restoreState(memento
.getChild(IWorkbenchConstants.TAG_LAYOUT)));
StartupThreading.runWithoutExceptions(new StartupRunnable() {
public void runWithException() throws Throwable {
// Add the editor workbook. Do not hide it now.
pres.replacePlaceholderWithPart(editorArea);
}});
// Add the visible views.
IMemento[] views = memento.getChildren(IWorkbenchConstants.TAG_VIEW);
for (int x = 0; x < views.length; x++) {
// Get the view details.
IMemento childMem = views[x];
String id = childMem.getString(IWorkbenchConstants.TAG_ID);
String secondaryId = ViewFactory.extractSecondaryId(id);
if (secondaryId != null) {
id = ViewFactory.extractPrimaryId(id);
}
// skip the intro as it is restored higher up in workbench.
if (id.equals(IIntroConstants.INTRO_VIEW_ID)) {
continue;
}
// Create and open the view.
IViewReference viewRef = viewFactory.getView(id, secondaryId);
WorkbenchPartReference ref = (WorkbenchPartReference) viewRef;
// report error
if (ref == null) {
String key = ViewFactory.getKey(id, secondaryId);
result.add(new Status(IStatus.ERROR, PlatformUI.PLUGIN_ID, 0,
NLS.bind(WorkbenchMessages.Perspective_couldNotFind, key ), null));
continue;
}
boolean willPartBeVisible = pres.willPartBeVisible(ref.getId(),
secondaryId);
if (willPartBeVisible) {
IViewPart view = (IViewPart) ref.getPart(true);
if (view != null) {
ViewSite site = (ViewSite) view.getSite();
ViewPane pane = (ViewPane) site.getPane();
pres.replacePlaceholderWithPart(pane);
}
} else {
pres.replacePlaceholderWithPart(ref.getPane());
}
}
// Load the fast views
if (fastViewManager != null)
fastViewManager.restoreState(memento, result);
// Load the view layout recs
IMemento[] recMementos = memento
.getChildren(IWorkbenchConstants.TAG_VIEW_LAYOUT_REC);
for (int i = 0; i < recMementos.length; i++) {
IMemento recMemento = recMementos[i];
String compoundId = recMemento
.getString(IWorkbenchConstants.TAG_ID);
if (compoundId != null) {
ViewLayoutRec rec = getViewLayoutRec(compoundId, true);
if (IWorkbenchConstants.FALSE.equals(recMemento
.getString(IWorkbenchConstants.TAG_CLOSEABLE))) {
rec.isCloseable = false;
}
if (IWorkbenchConstants.FALSE.equals(recMemento
.getString(IWorkbenchConstants.TAG_MOVEABLE))) {
rec.isMoveable = false;
}
if (IWorkbenchConstants.TRUE.equals(recMemento
.getString(IWorkbenchConstants.TAG_STANDALONE))) {
rec.isStandalone = true;
rec.showTitle = !IWorkbenchConstants.FALSE
.equals(recMemento
.getString(IWorkbenchConstants.TAG_SHOW_TITLE));
}
}
}
final IContextService service = (IContextService)page.getWorkbenchWindow().getService(IContextService.class);
try { // one big try block, don't kill me here
// defer context events
if (service != null) {
service.activateContext(ContextAuthority.DEFER_EVENTS);
}
HashSet knownActionSetIds = new HashSet();
// Load the always on action sets.
IMemento[] actions = memento
.getChildren(IWorkbenchConstants.TAG_ALWAYS_ON_ACTION_SET);
for (int x = 0; x < actions.length; x++) {
String actionSetID = actions[x]
.getString(IWorkbenchConstants.TAG_ID);
final IActionSetDescriptor d = WorkbenchPlugin.getDefault()
.getActionSetRegistry().findActionSet(actionSetID);
if (d != null) {
StartupThreading
.runWithoutExceptions(new StartupRunnable() {
public void runWithException() throws Throwable {
addAlwaysOn(d);
}
});
knownActionSetIds.add(actionSetID);
}
}
// Load the always off action sets.
actions = memento
.getChildren(IWorkbenchConstants.TAG_ALWAYS_OFF_ACTION_SET);
for (int x = 0; x < actions.length; x++) {
String actionSetID = actions[x]
.getString(IWorkbenchConstants.TAG_ID);
final IActionSetDescriptor d = WorkbenchPlugin.getDefault()
.getActionSetRegistry().findActionSet(actionSetID);
if (d != null) {
StartupThreading
.runWithoutExceptions(new StartupRunnable() {
public void runWithException() throws Throwable {
addAlwaysOff(d);
}
});
knownActionSetIds.add(actionSetID);
}
}
// Load "show view actions".
actions = memento
.getChildren(IWorkbenchConstants.TAG_SHOW_VIEW_ACTION);
showViewShortcuts = new ArrayList(actions.length);
for (int x = 0; x < actions.length; x++) {
String id = actions[x].getString(IWorkbenchConstants.TAG_ID);
showViewShortcuts.add(id);
}
// Load "show in times".
actions = memento.getChildren(IWorkbenchConstants.TAG_SHOW_IN_TIME);
for (int x = 0; x < actions.length; x++) {
String id = actions[x].getString(IWorkbenchConstants.TAG_ID);
String timeStr = actions[x]
.getString(IWorkbenchConstants.TAG_TIME);
if (id != null && timeStr != null) {
try {
long time = Long.parseLong(timeStr);
showInTimes.put(id, new Long(time));
} catch (NumberFormatException e) {
// skip this one
}
}
}
// Load "show in parts" from registry, not memento
showInPartIds = getShowInIdsFromRegistry();
// Load "new wizard actions".
actions = memento
.getChildren(IWorkbenchConstants.TAG_NEW_WIZARD_ACTION);
newWizardShortcuts = new ArrayList(actions.length);
for (int x = 0; x < actions.length; x++) {
String id = actions[x].getString(IWorkbenchConstants.TAG_ID);
newWizardShortcuts.add(id);
}
// Load "perspective actions".
actions = memento
.getChildren(IWorkbenchConstants.TAG_PERSPECTIVE_ACTION);
perspectiveShortcuts = new ArrayList(actions.length);
for (int x = 0; x < actions.length; x++) {
String id = actions[x].getString(IWorkbenchConstants.TAG_ID);
perspectiveShortcuts.add(id);
}
ArrayList extActionSets = getPerspectiveExtensionActionSets();
for (int i = 0; i < extActionSets.size(); i++) {
String actionSetID = (String) extActionSets.get(i);
if (knownActionSetIds.contains(actionSetID)) {
continue;
}
final IActionSetDescriptor d = WorkbenchPlugin.getDefault()
.getActionSetRegistry().findActionSet(actionSetID);
if (d != null) {
StartupThreading
.runWithoutExceptions(new StartupRunnable() {
public void runWithException() throws Throwable {
addAlwaysOn(d);
}
});
knownActionSetIds.add(d.getId());
}
}
// Add the visible set of action sets to our knownActionSetIds
// Now go through the registry to ensure we pick up any new action
// sets
// that have been added but not yet considered by this perspective.
ActionSetRegistry reg = WorkbenchPlugin.getDefault()
.getActionSetRegistry();
IActionSetDescriptor[] array = reg.getActionSets();
int count = array.length;
for (int i = 0; i < count; i++) {
IActionSetDescriptor desc = array[i];
if ((!knownActionSetIds.contains(desc.getId()))
&& (desc.isInitiallyVisible())) {
addActionSet(desc);
}
}
} finally {
// restart context changes
if (service != null) {
StartupThreading.runWithoutExceptions(new StartupRunnable() {
public void runWithException() throws Throwable {
service.activateContext(ContextAuthority.SEND_EVENTS);
}
});
}
}
// Save presentation.
presentation = pres;
// Hide the editor area if needed. Need to wait for the
// presentation to be fully setup first.
Integer areaVisible = memento
.getInteger(IWorkbenchConstants.TAG_AREA_VISIBLE);
// Rather than hiding the editors now we must wait until after their
// controls
// are created. This ensures that if an editor is instantiated,
// createPartControl
// is also called. See bug 20166.
shouldHideEditorsOnActivate = (areaVisible != null && areaVisible
.intValue() == 0);
// Restore the trim state of the editor area
IPreferenceStore preferenceStore = PrefUtil.getAPIPreferenceStore();
boolean useNewMinMax = preferenceStore.getBoolean(IWorkbenchPreferenceConstants.ENABLE_NEW_MIN_MAX);
if (useNewMinMax) {
Integer trimStateInt = memento.getInteger(IWorkbenchConstants.TAG_AREA_TRIM_STATE);
if (trimStateInt != null) {
editorAreaState = trimStateInt.intValue() & 0x3; // low order two bits contain the state
editorAreaRestoreOnUnzoom = (trimStateInt.intValue() & 4) != 0;
}
}
// restore the fixed state
Integer isFixed = memento.getInteger(IWorkbenchConstants.TAG_FIXED);
fixed = (isFixed != null && isFixed.intValue() == 1);
return result;
}
/**
* Restores a fast view to its corrent presentation structure.
* This method is pubilc because the FastViewManager uses it to
* reconstruct it minimized stacks on startup.
*
* @param fvMemento The mement containing the fast view info
* @param result The result status
* @return The reference to the restored view
*/
public IViewReference restoreFastView(IMemento fvMemento, MultiStatus result) {
String viewID = fvMemento.getString(IWorkbenchConstants.TAG_ID);
String secondaryId = ViewFactory.extractSecondaryId(viewID);
if (secondaryId != null) {
viewID = ViewFactory.extractPrimaryId(viewID);
}
IViewReference viewRef = getViewReference(viewID, secondaryId);
if (viewRef == null) {
String key = ViewFactory.getKey(viewID, secondaryId);
WorkbenchPlugin
.log("Could not create view: '" + key + "'."); //$NON-NLS-1$ //$NON-NLS-2$
result
.add(new Status(
IStatus.ERROR,
PlatformUI.PLUGIN_ID,
0,
NLS.bind(WorkbenchMessages.Perspective_couldNotFind, key ),
null));
return null;
}
// Restore fast view width ratio
Float ratio = fvMemento.getFloat(IWorkbenchConstants.TAG_RATIO);
if (ratio == null) {
Integer viewWidth = fvMemento
.getInteger(IWorkbenchConstants.TAG_WIDTH);
if (viewWidth == null) {
ratio = new Float(IPageLayout.DEFAULT_FASTVIEW_RATIO);
} else {
ratio = new Float((float) viewWidth.intValue()
/ (float) getClientComposite().getSize().x);
}
}
ViewLayoutRec rec = getViewLayoutRec(viewRef, true);
rec.fastViewWidthRatio = ratio.floatValue();
return viewRef;
}
/**
* Returns the ActionSets read from perspectiveExtensions in the registry.
*/
protected ArrayList getPerspectiveExtensionActionSets() {
PerspectiveExtensionReader reader = new PerspectiveExtensionReader();
reader
.setIncludeOnlyTags(new String[] { IWorkbenchRegistryConstants.TAG_ACTION_SET });
PageLayout layout = new PageLayout();
reader.extendLayout(null, descriptor.getOriginalId(), layout);
return layout.getActionSets();
}
/**
* Returns the Show In... part ids read from the registry.
*/
protected ArrayList getShowInIdsFromRegistry() {
PerspectiveExtensionReader reader = new PerspectiveExtensionReader();
reader
.setIncludeOnlyTags(new String[] { IWorkbenchRegistryConstants.TAG_SHOW_IN_PART });
PageLayout layout = new PageLayout();
reader.extendLayout(null, descriptor.getOriginalId(), layout);
return layout.getShowInPartIds();
}
/**
* Save the layout.
*/
public void saveDesc() {
saveDescAs(descriptor);
}
/**
* Save the layout.
*/
public void saveDescAs(IPerspectiveDescriptor desc) {
PerspectiveDescriptor realDesc = (PerspectiveDescriptor) desc;
//get the layout from the registry
PerspectiveRegistry perspRegistry = (PerspectiveRegistry) WorkbenchPlugin
.getDefault().getPerspectiveRegistry();
// Capture the layout state.
XMLMemento memento = XMLMemento.createWriteRoot("perspective");//$NON-NLS-1$
IStatus status = saveState(memento, realDesc, false);
if (status.getSeverity() == IStatus.ERROR) {
ErrorDialog.openError((Shell) null, WorkbenchMessages.Perspective_problemSavingTitle,
WorkbenchMessages.Perspective_problemSavingMessage,
status);
return;
}
//save it to the preference store
try {
perspRegistry.saveCustomPersp(realDesc, memento);
descriptor = realDesc;
} catch (IOException e) {
perspRegistry.deletePerspective(realDesc);
MessageDialog.openError((Shell) null, WorkbenchMessages.Perspective_problemSavingTitle,
WorkbenchMessages.Perspective_problemSavingMessage);
}
}
/**
* Save the layout.
*/
public IStatus saveState(IMemento memento) {
MultiStatus result = new MultiStatus(
PlatformUI.PLUGIN_ID,
IStatus.OK,
WorkbenchMessages.Perspective_problemsSavingPerspective, null);
result.merge(saveState(memento, descriptor, true));
return result;
}
/**
* Save the layout.
*/
private IStatus saveState(IMemento memento, PerspectiveDescriptor p,
boolean saveInnerViewState) {
MultiStatus result = new MultiStatus(
PlatformUI.PLUGIN_ID,
IStatus.OK,
WorkbenchMessages.Perspective_problemsSavingPerspective, null);
if (this.memento != null) {
memento.putMemento(this.memento);
return result;
}
// Save the version number.
memento.putString(IWorkbenchConstants.TAG_VERSION, VERSION_STRING);
result.add(p.saveState(memento));
if (!saveInnerViewState) {
Rectangle bounds = page.getWorkbenchWindow().getShell().getBounds();
IMemento boundsMem = memento
.createChild(IWorkbenchConstants.TAG_WINDOW);
boundsMem.putInteger(IWorkbenchConstants.TAG_X, bounds.x);
boundsMem.putInteger(IWorkbenchConstants.TAG_Y, bounds.y);
boundsMem.putInteger(IWorkbenchConstants.TAG_HEIGHT, bounds.height);
boundsMem.putInteger(IWorkbenchConstants.TAG_WIDTH, bounds.width);
}
// Save the "always on" action sets.
Iterator itr = alwaysOnActionSets.iterator();
while (itr.hasNext()) {
IActionSetDescriptor desc = (IActionSetDescriptor) itr.next();
IMemento child = memento
.createChild(IWorkbenchConstants.TAG_ALWAYS_ON_ACTION_SET);
child.putString(IWorkbenchConstants.TAG_ID, desc.getId());
}
// Save the "always off" action sets.
itr = alwaysOffActionSets.iterator();
while (itr.hasNext()) {
IActionSetDescriptor desc = (IActionSetDescriptor) itr.next();
IMemento child = memento
.createChild(IWorkbenchConstants.TAG_ALWAYS_OFF_ACTION_SET);
child.putString(IWorkbenchConstants.TAG_ID, desc.getId());
}
// Save "show view actions"
itr = showViewShortcuts.iterator();
while (itr.hasNext()) {
String str = (String) itr.next();
IMemento child = memento
.createChild(IWorkbenchConstants.TAG_SHOW_VIEW_ACTION);
child.putString(IWorkbenchConstants.TAG_ID, str);
}
// Save "show in times"
itr = showInTimes.keySet().iterator();
while (itr.hasNext()) {
String id = (String) itr.next();
Long time = (Long) showInTimes.get(id);
IMemento child = memento
.createChild(IWorkbenchConstants.TAG_SHOW_IN_TIME);
child.putString(IWorkbenchConstants.TAG_ID, id);
child.putString(IWorkbenchConstants.TAG_TIME, time.toString());
}
// Save "new wizard actions".
itr = newWizardShortcuts.iterator();
while (itr.hasNext()) {
String str = (String) itr.next();
IMemento child = memento
.createChild(IWorkbenchConstants.TAG_NEW_WIZARD_ACTION);
child.putString(IWorkbenchConstants.TAG_ID, str);
}
// Save "perspective actions".
itr = perspectiveShortcuts.iterator();
while (itr.hasNext()) {
String str = (String) itr.next();
IMemento child = memento
.createChild(IWorkbenchConstants.TAG_PERSPECTIVE_ACTION);
child.putString(IWorkbenchConstants.TAG_ID, str);
}
// Get visible views.
List viewPanes = new ArrayList(5);
presentation.collectViewPanes(viewPanes);
// Save the views.
itr = viewPanes.iterator();
int errors = 0;
while (itr.hasNext()) {
ViewPane pane = (ViewPane) itr.next();
IViewReference ref = pane.getViewReference();
boolean restorable = page.getViewFactory().getViewRegistry().find(
ref.getId()).isRestorable();
if(restorable) {
IMemento viewMemento = memento
.createChild(IWorkbenchConstants.TAG_VIEW);
viewMemento.putString(IWorkbenchConstants.TAG_ID, ViewFactory
.getKey(ref));
}
}
// save all fastview state
if (fastViewManager != null)
fastViewManager.saveState(memento);
// Save the view layout recs.
for (Iterator i = mapIDtoViewLayoutRec.keySet().iterator(); i.hasNext();) {
String compoundId = (String) i.next();
ViewLayoutRec rec = (ViewLayoutRec) mapIDtoViewLayoutRec
.get(compoundId);
if (rec != null
&& (!rec.isCloseable || !rec.isMoveable || rec.isStandalone)) {
IMemento layoutMemento = memento
.createChild(IWorkbenchConstants.TAG_VIEW_LAYOUT_REC);
layoutMemento.putString(IWorkbenchConstants.TAG_ID, compoundId);
if (!rec.isCloseable) {
layoutMemento.putString(IWorkbenchConstants.TAG_CLOSEABLE,
IWorkbenchConstants.FALSE);
}
if (!rec.isMoveable) {
layoutMemento.putString(IWorkbenchConstants.TAG_MOVEABLE,
IWorkbenchConstants.FALSE);
}
if (rec.isStandalone) {
layoutMemento.putString(IWorkbenchConstants.TAG_STANDALONE,
IWorkbenchConstants.TRUE);
layoutMemento.putString(IWorkbenchConstants.TAG_SHOW_TITLE,
String.valueOf(rec.showTitle));
}
}
}
if (errors > 0) {
String message = WorkbenchMessages.Perspective_multipleErrors;
if (errors == 1) {
message = WorkbenchMessages.Perspective_oneError;
}
MessageDialog.openError(null,
WorkbenchMessages.Error, message);
}
// Save the layout.
IMemento childMem = memento.createChild(IWorkbenchConstants.TAG_LAYOUT);
result.add(presentation.saveState(childMem));
// Save the editor visibility state
if (isEditorAreaVisible()) {
memento.putInteger(IWorkbenchConstants.TAG_AREA_VISIBLE, 1);
} else {
memento.putInteger(IWorkbenchConstants.TAG_AREA_VISIBLE, 0);
}
// Save the trim state of the editor area if using the new min/max
IPreferenceStore preferenceStore = PrefUtil.getAPIPreferenceStore();
boolean useNewMinMax = preferenceStore.getBoolean(IWorkbenchPreferenceConstants.ENABLE_NEW_MIN_MAX);
if (useNewMinMax) {
int trimState = editorAreaState;
trimState |= editorAreaRestoreOnUnzoom ? 4 : 0;
memento.putInteger(IWorkbenchConstants.TAG_AREA_TRIM_STATE, trimState);
}
// Save the fixed state
if (fixed) {
memento.putInteger(IWorkbenchConstants.TAG_FIXED, 1);
} else {
memento.putInteger(IWorkbenchConstants.TAG_FIXED, 0);
}
return result;
}
public void turnOnActionSets(IActionSetDescriptor[] newArray) {
for (int i = 0; i < newArray.length; i++) {
IActionSetDescriptor descriptor = newArray[i];
addAlwaysOn(descriptor);
}
}
public void turnOffActionSets(IActionSetDescriptor[] toDisable) {
for (int i = 0; i < toDisable.length; i++) {
IActionSetDescriptor descriptor = toDisable[i];
turnOffActionSet(descriptor);
}
}
public void turnOffActionSet(IActionSetDescriptor toDisable) {
addAlwaysOff(toDisable);
}
/**
* Return the active fast view or null if there are no
* fast views or if there are all minimized.
*/
public IViewReference getActiveFastView() {
return activeFastView;
}
/**
* Sets the active fast view. If a different fast view is already open,
* it shrinks equally <code>steps</code> times before disappearing
* completely. Then, <code>view</code> becomes active and is shown.
*/
/*package*/void setActiveFastView(IViewReference ref, int steps) {
if (activeFastView == ref) {
return;
}
if (activeFastView != null) {
ViewPane pane = getPane(activeFastView);
if (pane != null) {
if (pane.isZoomed()) {
presentation.zoomOut();
}
hideFastView(activeFastView, steps);
}
}
activeFastView = ref;
try {
if (activeFastView != null) {
if (!showFastView(activeFastView)) {
activeFastView = null;
}
}
} catch (RuntimeException e) {
activeFastView = null;
}
}
/**
* Sets the active fast view.
*/
/*package*/void setActiveFastView(IViewReference ref) {
setActiveFastView(ref, FASTVIEW_HIDE_STEPS);
}
/**
* Sets the visibility of all fast view pins.
*/
protected void setAllPinsVisible(boolean visible) {
if (fastViewManager == null)
return;
Iterator iter = fastViewManager.getFastViews(null).iterator();
while (iter.hasNext()) {
ViewPane pane = getPane((IViewReference) iter.next());
if (pane != null) {
pane.setFast(visible);
}
}
}
/**
* Sets the selection for the shortcut bar icon representing the givevn fast view.
*/
private void setFastViewIconSelection(IViewReference ref, boolean selected) {
if (fastViewManager == null)
return;
fastViewManager.setFastViewIconSelection(ref, selected);
}
/**
* Sets the new wizard actions for the page.
* This is List of Strings.
*/
public void setNewWizardActionIds(ArrayList newList) {
newWizardShortcuts = newList;
}
/**
* Sets the perspective actions for this page.
* This is List of Strings.
*/
public void setPerspectiveActionIds(ArrayList list) {
perspectiveShortcuts = list;
}
/**
* Sets the ids of the parts to list in the Show In... prompter.
* This is a List of Strings.
*/
public void setShowInPartIds(ArrayList list) {
showInPartIds = list;
}
/**
* Sets the ids of the views to list in the Show View shortcuts.
* This is a List of Strings.
*/
public void setShowViewActionIds(ArrayList list) {
showViewShortcuts = list;
}
/**
* Show the editor area if not visible
*/
protected void showEditorArea() {
if (isEditorAreaVisible()) {
return;
}
editorHidden = false;
// Show the editor in the appropriate location
if (useNewMinMax(this)) {
boolean isMinimized = editorAreaState == IStackPresentationSite.STATE_MINIMIZED;
if (!isMinimized) {
// If the editor area is going to show then we have to restore
if (getPresentation().getMaximizedStack() != null)
getPresentation().getMaximizedStack().setState(IStackPresentationSite.STATE_RESTORED);
showEditorAreaLocal();
}
else
setEditorAreaTrimVisibility(true);
}
else {
showEditorAreaLocal();
}
}
/**
* Show the editor area if not visible
*/
protected void showEditorAreaLocal() {
if (editorHolder == null || editorHidden) {
return;
}
// Replace the part holder with the editor area.
presentation.getLayout().replace(editorHolder, editorArea);
editorHolder = null;
}
private EditorAreaTrimToolBar getEditorAreaTrim(boolean createIfNecessary) {
WorkbenchWindow wbw = (WorkbenchWindow) page.getWorkbenchWindow();
ITrimManager tbm = wbw.getTrimManager();
if (tbm == null)
return null;
// Create if necesary
EditorAreaTrimToolBar editorAreaTrim = (EditorAreaTrimToolBar) tbm.getTrim(IPageLayout.ID_EDITOR_AREA);
if (editorAreaTrim == null && createIfNecessary) {
int suggestedSide = SWT.RIGHT;
int cachedSide = ((TrimLayout)tbm).getPreferredArea(IPageLayout.ID_EDITOR_AREA);
if (cachedSide != -1)
suggestedSide = cachedSide;
IWindowTrim beforeMe = ((TrimLayout)tbm).getPreferredLocation(IPageLayout.ID_EDITOR_AREA);
// Gain access to the trim manager
editorAreaTrim = new EditorAreaTrimToolBar(wbw, editorArea);
editorAreaTrim.dock(suggestedSide);
tbm.addTrim(suggestedSide, editorAreaTrim, beforeMe);
}
return editorAreaTrim;
}
public void setEditorAreaState(int newState) {
if (newState == editorAreaState)
return;
editorAreaState = newState;
// reset the restore flag if we're not minimized
if (newState != IStackPresentationSite.STATE_MINIMIZED)
editorAreaRestoreOnUnzoom = false;
refreshEditorAreaVisibility();
}
public int getEditorAreaState() {
return editorAreaState;
}
/**
*
*/
public void refreshEditorAreaVisibility() {
// Nothing shows up if the editor area isn't visible at all
if (editorHidden) {
hideEditorAreaLocal();
setEditorAreaTrimVisibility(false);
return;
}
EditorStack editorStack = ((EditorSashContainer) editorArea).getUpperRightEditorStack(null);
if (editorStack == null)
return;
// Whatever we're doing, make the current editor stack match it
editorStack.setStateLocal(editorAreaState);
// If it's minimized then it's in the trim
if (editorAreaState == IStackPresentationSite.STATE_MINIMIZED) {
// Hide the editor area and show its trim
hideEditorAreaLocal();
setEditorAreaTrimVisibility(true);
}
else {
// Show the editor area and hide its trim
setEditorAreaTrimVisibility(false);
showEditorAreaLocal();
if (editorAreaState == IStackPresentationSite.STATE_MAXIMIZED)
getPresentation().setMaximizedStack(editorStack);
}
}
protected EditorAreaTrimToolBar setEditorAreaTrimVisibility(boolean visible) {
WorkbenchWindow wbw = (WorkbenchWindow) page.getWorkbenchWindow();
ITrimManager tbm = wbw.getTrimManager();
if (tbm == null)
return null;
// Only create the trim element if it's going to be visible
EditorAreaTrimToolBar editorAreaTrim = getEditorAreaTrim(visible);
if (editorAreaTrim == null)
return null;
tbm.setTrimVisible(editorAreaTrim, visible);
tbm.forceLayout();
return editorAreaTrim;
}
/**
* Shows a fast view.
* @return whether the view was successfully shown
*/
boolean showFastView(IViewReference ref) {
if (fastViewManager == null)
return false;
// Make sure the part is restored.
IWorkbenchPart refPart = ref.getPart(true);
if (refPart == null) {
return false;
}
ViewPane pane = getPane(ref);
if (pane == null) {
return false;
}
saveFastViewWidthRatio();
// Special check to ensure that a 'minimized' intro view shows
// as 'standby'
if (ref.getId().equals("org.eclipse.ui.internal.introview")) { //$NON-NLS-1$
if (refPart instanceof ViewIntroAdapterPart) {
((ViewIntroAdapterPart)refPart).setStandby(true);
}
}
// Determine the display orientation
int side = fastViewManager.getViewSide(ref);
fastViewPane.showView(getClientComposite(), pane, side,
getFastViewWidthRatio(ref));
setFastViewIconSelection(ref, true);
return true;
}
private void saveFastViewWidthRatio() {
ViewPane pane = fastViewPane.getCurrentPane();
if (pane != null) {
ViewLayoutRec rec = getViewLayoutRec(pane.getViewReference(), true);
rec.fastViewWidthRatio = fastViewPane.getCurrentRatio();
}
}
/**
* Resolves a view's id into its reference, creating the
* view if necessary.
*
* @param viewId The primary id of the view (must not be
* <code>null</code>
* @param secondaryId The secondary id of a multiple-instance view
* (may be <code>null</code>).
*
* @return The reference to the specified view. This may be null if the
* view fails to create (i.e. thrown a PartInitException)
*/
public IViewReference getViewReference(String viewId, String secondaryId) {
IViewReference ref = page.findViewReference(viewId, secondaryId);
if (ref == null) {
ViewFactory factory = getViewFactory();
try {
ref = factory.createView(viewId, secondaryId);
} catch (PartInitException e) {
IStatus status = StatusUtil.newStatus(IStatus.ERROR,
e.getMessage() == null ? "" : e.getMessage(), //$NON-NLS-1$
e);
StatusUtil.handleStatus(status, "Failed to create view: id=" + viewId, //$NON-NLS-1$
StatusManager.LOG);
}
}
return ref;
}
/**
* Shows the view with the given id and secondary id.
*/
public IViewPart showView(String viewId, String secondaryId)
throws PartInitException {
ViewFactory factory = getViewFactory();
IViewReference ref = factory.createView(viewId, secondaryId);
IViewPart part = (IViewPart) ref.getPart(true);
if (part == null) {
throw new PartInitException(NLS.bind(WorkbenchMessages.ViewFactory_couldNotCreate, ref.getId()));
}
ViewSite site = (ViewSite) part.getSite();
ViewPane pane = (ViewPane) site.getPane();
IPreferenceStore store = WorkbenchPlugin.getDefault()
.getPreferenceStore();
int openViewMode = store.getInt(IPreferenceConstants.OPEN_VIEW_MODE);
if (openViewMode == IPreferenceConstants.OVM_FAST &&
fastViewManager != null) {
fastViewManager.addViewReference(FastViewBar.FASTVIEWBAR_ID, -1, ref, true);
setActiveFastView(ref);
} else if (openViewMode == IPreferenceConstants.OVM_FLOAT
&& presentation.canDetach()) {
presentation.addDetachedPart(pane);
} else {
if (useNewMinMax(this)) {
// Is this view going to show in the trim?
LayoutPart vPart = presentation.findPart(viewId, secondaryId);
// Determine if there is a trim stack that should get the view
String trimId = null;
// If we can locate the correct trim stack then do so
if (vPart != null) {
String id = null;
ILayoutContainer container = vPart.getContainer();
if (container instanceof ContainerPlaceholder)
id = ((ContainerPlaceholder)container).getID();
else if (container instanceof ViewStack)
id = ((ViewStack)container).getID();
// Is this place-holder in the trim?
if (id != null && fastViewManager.getFastViews(id).size() > 0) {
trimId = id;
}
}
// No explicit trim found; If we're maximized then we either have to find an
// arbitrary stack...
if (trimId == null && presentation.getMaximizedStack() != null) {
if (vPart == null) {
ViewStackTrimToolBar blTrimStack = fastViewManager.getBottomRightTrimStack();
if (blTrimStack != null) {
// OK, we've found a trim stack to add it to...
trimId = blTrimStack.getId();
// Since there was no placeholder we have to add one
LayoutPart blPart = presentation.findPart(trimId, null);
if (blPart instanceof ContainerPlaceholder) {
ContainerPlaceholder cph = (ContainerPlaceholder) blPart;
if (cph.getRealContainer() instanceof ViewStack) {
ViewStack vs = (ViewStack) cph.getRealContainer();
// Create a 'compound' id if this is a multi-instance part
String compoundId = ref.getId();
if (ref.getSecondaryId() != null)
compoundId = compoundId + ':' + ref.getSecondaryId();
// Add the new placeholder
vs.add(new PartPlaceholder(compoundId));
}
}
}
}
}
// If we have a trim stack located then add the view to it
if (trimId != null) {
fastViewManager.addViewReference(trimId, -1, ref, true);
}
else {
boolean inMaximizedStack = vPart != null && vPart.getContainer() == presentation.getMaximizedStack();
// Do the default behavior
presentation.addPart(pane);
// Now, if we're maximized then we have to minimize the new stack
if (presentation.getMaximizedStack() != null && !inMaximizedStack) {
vPart = presentation.findPart(viewId, secondaryId);
if (vPart != null && vPart.getContainer() instanceof ViewStack) {
ViewStack vs = (ViewStack)vPart.getContainer();
vs.setState(IStackPresentationSite.STATE_MINIMIZED);
// setting the state to minimized will create the trim toolbar
// so we don't need a null pointer check here...
fastViewManager.getViewStackTrimToolbar(vs.getID()).setRestoreOnUnzoom(true);
}
}
}
}
else {
presentation.addPart(pane);
}
}
// Ensure that the newly showing part is enabled
if (pane != null && pane.getControl() != null)
pane.getControl().setEnabled(true);
return part;
}
/**
* Toggles the visibility of a fast view. If the view is active it
* is deactivated. Otherwise, it is activated.
*/
public void toggleFastView(IViewReference ref) {
if (ref == activeFastView) {
setActiveFastView(null);
} else {
setActiveFastView(ref);
}
}
/**
* Returns the old part reference.
* Returns null if there was no previously active part.
*
* @return the old part reference or <code>null</code>
*/
public IWorkbenchPartReference getOldPartRef() {
return oldPartRef;
}
/**
* Sets the old part reference.
*
* @param oldPartRef The old part reference to set, or <code>null</code>
*/
public void setOldPartRef(IWorkbenchPartReference oldPartRef) {
this.oldPartRef = oldPartRef;
}
//for dynamic UI
protected void addActionSet(IActionSetDescriptor newDesc) {
IContextService service = (IContextService)page.getWorkbenchWindow().getService(IContextService.class);
try {
service.activateContext(ContextAuthority.DEFER_EVENTS);
for (int i = 0; i < alwaysOnActionSets.size(); i++) {
IActionSetDescriptor desc = (IActionSetDescriptor) alwaysOnActionSets
.get(i);
if (desc.getId().equals(newDesc.getId())) {
removeAlwaysOn(desc);
removeAlwaysOff(desc);
break;
}
}
addAlwaysOn(newDesc);
} finally {
service.activateContext(ContextAuthority.SEND_EVENTS);
}
}
// for dynamic UI
/* package */void removeActionSet(String id) {
IContextService service = (IContextService)page.getWorkbenchWindow().getService(IContextService.class);
try {
service.activateContext(ContextAuthority.DEFER_EVENTS);
for (int i = 0; i < alwaysOnActionSets.size(); i++) {
IActionSetDescriptor desc = (IActionSetDescriptor) alwaysOnActionSets
.get(i);
if (desc.getId().equals(id)) {
removeAlwaysOn(desc);
break;
}
}
for (int i = 0; i < alwaysOffActionSets.size(); i++) {
IActionSetDescriptor desc = (IActionSetDescriptor) alwaysOffActionSets
.get(i);
if (desc.getId().equals(id)) {
removeAlwaysOff(desc);
break;
}
}
} finally {
service.activateContext(ContextAuthority.SEND_EVENTS);
}
}
void removeActionSet(IActionSetDescriptor toRemove) {
removeAlwaysOn(toRemove);
removeAlwaysOff(toRemove);
}
public void setFastViewState(int newState) {
fastViewPane.setState(newState);
}
public int getFastViewState() {
return fastViewPane.getState();
}
/**
* Returns whether the given view is closeable in this perspective.
*
* @since 3.0
*/
public boolean isCloseable(IViewReference reference) {
ViewLayoutRec rec = getViewLayoutRec(reference, false);
if (rec != null) {
return rec.isCloseable;
}
return true;
}
/**
* Returns whether the given view is moveable in this perspective.
*
* @since 3.0
*/
public boolean isMoveable(IViewReference reference) {
ViewLayoutRec rec = getViewLayoutRec(reference, false);
if (rec != null) {
return rec.isMoveable;
}
return true;
}
/**
* Writes a description of the layout to the given string buffer.
* This is used for drag-drop test suites to determine if two layouts are the
* same. Like a hash code, the description should compare as equal iff the
* layouts are the same. However, it should be user-readable in order to
* help debug failed tests. Although these are english readable strings,
* they should not be translated or equality tests will fail.
* <p>
* This is only intended for use by test suites.
* </p>
*
* @param buf
*/
public void describeLayout(StringBuffer buf) {
IViewReference[] fastViews = getFastViews();
if (fastViews.length != 0) {
buf.append("fastviews ("); //$NON-NLS-1$
for (int idx = 0; idx < fastViews.length; idx++) {
IViewReference ref = fastViews[idx];
if (idx > 0) {
buf.append(", "); //$NON-NLS-1$
}
buf.append(ref.getPartName());
}
buf.append("), "); //$NON-NLS-1$
}
getPresentation().describeLayout(buf);
}
/**
* Sanity-checks the LayoutParts in this perspective. Throws an Assertation exception
* if an object's internal state is invalid.
*/
public void testInvariants() {
getPresentation().getLayout().testInvariants();
}
public IActionSetDescriptor[] getAlwaysOnActionSets() {
return (IActionSetDescriptor[]) alwaysOnActionSets.toArray(new IActionSetDescriptor[alwaysOnActionSets.size()]);
}
public IActionSetDescriptor[] getAlwaysOffActionSets() {
return (IActionSetDescriptor[]) alwaysOffActionSets.toArray(new IActionSetDescriptor[alwaysOffActionSets.size()]);
}
/* package */ FastViewPane getFastViewPane() {
return fastViewPane;
}
/**
* Restores a part in the trim to the actual layout
* @param part The part to restore
*/
public void restoreTrimPart(LayoutPart part) {
if (fastViewManager == null)
return;
// Remove any current fastview
setActiveFastView(null);
// Set the part's state to place it back in the layout
if (part instanceof ViewStack) {
ViewStack vs = (ViewStack) part;
fastViewManager.restoreToPresentation(vs.getID());
}
if (part == editorArea) {
setEditorAreaState(IStackPresentationSite.STATE_RESTORED);
editorAreaRestoreOnUnzoom = false;
}
}
/**
* Determine the correct side to initially dock a new
* trim part on. We do this by checking its rect against
* the editor area.
*
* @param stackBounds The bounds of the stack we want to create trim for
* @return the SWT side to dock the trim element on
*/
public int calcStackSide(Rectangle stackBounds) {
// Where is the stack in relation to the EditorArea?
Rectangle editorAreaBounds = editorArea.getBounds();
// Is this the Editor Area
if (editorAreaBounds.equals(stackBounds))
return SWT.TOP;
Point stackCenter = Geometry.centerPoint(stackBounds);
Point editorAreaCenter = Geometry.centerPoint(editorAreaBounds);
int dx = editorAreaCenter.x - stackCenter.x;
int dy = editorAreaCenter.y - stackCenter.y;
if (Math.abs(dx) > Math.abs(dy)) {
return (dx > 0) ? SWT.LEFT : SWT.RIGHT;
}
if (dy > 0) {
return (dx > 0) ? SWT.LEFT : SWT.RIGHT;
}
return SWT.BOTTOM;
}
/**
* Restore any parts that are showing in the trim as
* a result of a 'zoom' operation
*/
public void restoreZoomedParts() {
if (fastViewManager == null)
return;
// Remove any current fastview
setActiveFastView(null);
// have the layout restore the parts
fastViewManager.restoreZoomedViewStacks();
if (editorAreaRestoreOnUnzoom) {
restoreTrimPart(editorArea);
}
}
/**
* @return Returns the fastViewManager.
*/
public FastViewManager getFastViewManager() {
return fastViewManager;
}
/**
* Sets the restore on unzoom state for the editor area
* @param restore the new state
*/
public void setEditorAreaRestoreOnUnzoom(boolean restore) {
editorAreaRestoreOnUnzoom = restore;
}
/**
* @return the restore on unzoom state
*/
public boolean getEditorAreaRestoreOnUnzoom() {
return editorAreaRestoreOnUnzoom;
}
/**
* Used to restrict the use of the new min/max behavior to envoronments
* in which it has a chance of working...
*
* @param activePerspective We pass this in as an arg so others won't have
* to check it for 'null' (which is one of the failure cases)
*
*/
public static boolean useNewMinMax(Perspective activePerspective) {
// We need to have an active perspective
if (activePerspective == null)
return false;
// We need to have a trim manager (if we don't then we
// don't create a FastViewManager because it'd be useless)
if (activePerspective.getFastViewManager() == null)
return false;
// Make sure we don't NPE anyplace
WorkbenchWindow wbw = (WorkbenchWindow) activePerspective.page.getWorkbenchWindow();
if (wbw == null)
return false;
WorkbenchWindowConfigurer configurer = wbw.getWindowConfigurer();
if (configurer == null)
return false;
AbstractPresentationFactory factory = configurer.getPresentationFactory();
if (factory == null)
return false;
// Ok, we should be good to go, return the pref
IPreferenceStore preferenceStore = PrefUtil.getAPIPreferenceStore();
boolean useNewMinMax = preferenceStore.getBoolean(IWorkbenchPreferenceConstants.ENABLE_NEW_MIN_MAX);
return useNewMinMax;
}
}