| /******************************************************************************* |
| * Copyright (c) 2000, 2006 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 |
| * Cagatay Kavukcuoglu <cagatayk@acm.org> |
| * - Fix for bug 10025 - Resizing views should not use height ratios |
| *******************************************************************************/ |
| package org.eclipse.ui.internal; |
| |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import org.eclipse.jface.action.IMenuManager; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.ui.IViewReference; |
| import org.eclipse.ui.internal.layout.ITrimManager; |
| import org.eclipse.ui.internal.presentations.PresentablePart; |
| import org.eclipse.ui.internal.presentations.PresentationFactoryUtil; |
| import org.eclipse.ui.internal.presentations.SystemMenuDetach; |
| import org.eclipse.ui.internal.presentations.SystemMenuFastView; |
| import org.eclipse.ui.internal.presentations.SystemMenuSize; |
| import org.eclipse.ui.internal.presentations.UpdatingActionContributionItem; |
| import org.eclipse.ui.presentations.AbstractPresentationFactory; |
| import org.eclipse.ui.presentations.IPresentablePart; |
| import org.eclipse.ui.presentations.StackPresentation; |
| |
| /** |
| * Manages a set of ViewPanes that are docked into the workbench window. The container for a ViewStack |
| * is always a PartSashContainer (or null), and its children are always either PartPlaceholders or ViewPanes. |
| * This contains the real behavior and state for stacks of views, although the widgets for the tabs are contributed |
| * using a StackPresentation. |
| * |
| * TODO: eliminate ViewStack and EditorStack. PartStack should be general enough to handle editors |
| * and views without any specialization for editors and views. The differences should be in the |
| * presentation and in the PartPanes themselves. |
| * |
| * TODO: eliminate PartPlaceholder. Placeholders should not be children of the ViewStack. |
| * |
| */ |
| public class ViewStack extends PartStack { |
| |
| private boolean allowStateChanges; |
| |
| private WorkbenchPage page; |
| |
| private SystemMenuSize sizeItem = new SystemMenuSize(null); |
| |
| private SystemMenuFastView fastViewAction; |
| |
| private SystemMenuDetach detachViewAction; |
| |
| public void addSystemActions(IMenuManager menuManager) { |
| appendToGroupIfPossible(menuManager, |
| "misc", new UpdatingActionContributionItem(fastViewAction)); //$NON-NLS-1$ |
| appendToGroupIfPossible(menuManager, |
| "misc", new UpdatingActionContributionItem(detachViewAction)); //$NON-NLS-1$ |
| sizeItem = new SystemMenuSize(getSelection()); |
| appendToGroupIfPossible(menuManager, "size", sizeItem); //$NON-NLS-1$ |
| } |
| |
| public ViewStack(WorkbenchPage page) { |
| this(page, true); |
| } |
| |
| public ViewStack(WorkbenchPage page, boolean allowsStateChanges) { |
| this(page, allowsStateChanges, PresentationFactoryUtil.ROLE_VIEW, null); |
| } |
| |
| public ViewStack(WorkbenchPage page, boolean allowsStateChanges, |
| int appearance, AbstractPresentationFactory factory) { |
| super(appearance, factory); |
| |
| this.page = page; |
| setID(this.toString()); |
| // Each folder has a unique ID so relative positioning is unambiguous. |
| |
| this.allowStateChanges = allowsStateChanges; |
| fastViewAction = new SystemMenuFastView(getPresentationSite()); |
| detachViewAction = new SystemMenuDetach(getPresentationSite()); |
| } |
| |
| protected WorkbenchPage getPage() { |
| return page; |
| } |
| |
| protected boolean canMoveFolder() { |
| Perspective perspective = page.getActivePerspective(); |
| |
| if (perspective == null) { |
| // Shouldn't happen -- can't have a ViewStack without a |
| // perspective |
| return false; |
| } |
| |
| return !perspective.isFixedLayout(); |
| } |
| |
| protected void updateActions(PresentablePart current) { |
| ViewPane pane = null; |
| |
| if (current != null && current.getPane() instanceof ViewPane) { |
| pane = (ViewPane) current.getPane(); |
| } |
| |
| fastViewAction.setPane(current); |
| detachViewAction.setPane(pane); |
| sizeItem.setPane(pane); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.internal.PartStack#isMoveable(org.eclipse.ui.presentations.IPresentablePart) |
| */ |
| protected boolean isMoveable(IPresentablePart part) { |
| ViewPane pane = (ViewPane) getPaneFor(part); |
| Perspective perspective = page.getActivePerspective(); |
| if (perspective == null) { |
| // Shouldn't happen -- can't have a ViewStack without a |
| // perspective |
| return true; |
| } |
| return perspective.isMoveable(pane.getViewReference()); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.internal.PartStack#supportsState(int) |
| */ |
| protected boolean supportsState(int newState) { |
| if (page.isFixedLayout()) { |
| return false; |
| } |
| return allowStateChanges; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.internal.PartStack#derefPart(org.eclipse.ui.internal.LayoutPart) |
| */ |
| protected void derefPart(LayoutPart toDeref) { |
| page.getActivePerspective().getPresentation().derefPart(toDeref); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.internal.PartStack#allowsDrop(org.eclipse.ui.internal.PartPane) |
| */ |
| protected boolean allowsDrop(PartPane part) { |
| return part instanceof ViewPane; |
| } |
| |
| /** |
| * Get the presentation for testing purposes. This is for testing |
| * purposes <b>ONLY</b>. |
| * |
| * @return the presentation in use for this view stack |
| * @since 3.2 |
| */ |
| public StackPresentation getTestPresentation() { |
| return getPresentation(); |
| } |
| |
| |
| // Trim Stack Support |
| |
| public void setTrimState(int newTrimState) { |
| if (newTrimState == getTrimState()) |
| return; |
| |
| // Remember the new state |
| int oldTrimState = getTrimState(); |
| |
| // set the new one |
| super.setTrimState(newTrimState); |
| |
| WorkbenchWindow wbw = (WorkbenchWindow) getWorkbenchWindow(); |
| if (wbw == null) |
| return; |
| |
| // Access workbench context |
| Perspective persp = page.getActivePerspective(); |
| ITrimManager tbm = wbw.getTrimManager(); |
| ViewStackTrimPart viewStackTrim = (ViewStackTrimPart) tbm.getTrim(getID()); |
| |
| // Are we moving the View Stack -to- the trim? |
| if (oldTrimState == LayoutPart.TRIMSTATE_NORMAL) { |
| // Remove the real stack from the presentation |
| ContainerPlaceholder ph = null; |
| ph = new ContainerPlaceholder(getID()); |
| ph.setRealContainer(this); |
| getContainer().replace(this, ph); |
| page.refreshActiveView(); |
| |
| // Is it already in the trim? |
| if (viewStackTrim == null) { |
| // If it's not already in the trim...create it |
| int side = SWT.BOTTOM; |
| if (persp != null) |
| side = persp.calcStackSide(getBounds()); |
| |
| viewStackTrim = new ViewStackTrimPart(wbw, ph); |
| viewStackTrim.dock(side); |
| tbm.addTrim(side, viewStackTrim); |
| } |
| |
| // Refresh the trim's state and show it |
| viewStackTrim.setPlaceholder(ph); |
| viewStackTrim.refresh(); |
| |
| // Make the views 'fast' |
| if (persp != null) { |
| List refs = viewStackTrim.getViewRefs(); |
| for (Iterator refIter = refs.iterator(); refIter |
| .hasNext();) { |
| IViewReference ref = (IViewReference) refIter.next(); |
| persp.addFastView(ref, false); |
| } |
| } |
| tbm.setTrimVisible(viewStackTrim, true); |
| } |
| |
| // Are we restoring the View Stack -from- the trim? |
| if (newTrimState == LayoutPart.TRIMSTATE_NORMAL) { |
| if (viewStackTrim == null) |
| return; |
| |
| // Make the views un-'fast' |
| if (persp != null) { |
| List refs = viewStackTrim.getViewRefs(); |
| for (Iterator refIter = refs.iterator(); refIter |
| .hasNext();) { |
| IViewReference ref = (IViewReference) refIter.next(); |
| persp.removeFastView(ref, false); |
| } |
| } |
| |
| // hide the trim widget |
| tbm.setTrimVisible(viewStackTrim, false); |
| |
| // Restore the real container |
| ContainerPlaceholder ph = viewStackTrim.getPlaceholder(); |
| ILayoutContainer container = ph.getContainer(); |
| LayoutPart ps = ph.getRealContainer(); |
| ph.setRealContainer(null); |
| container.replace(ph, ps); |
| } |
| } |
| } |
