| /******************************************************************************* |
| * 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 org.eclipse.core.runtime.Assert; |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.jface.action.IMenuManager; |
| import org.eclipse.swt.widgets.Control; |
| import org.eclipse.ui.IEditorReference; |
| import org.eclipse.ui.IMemento; |
| import org.eclipse.ui.PlatformUI; |
| import org.eclipse.ui.internal.presentations.PresentablePart; |
| import org.eclipse.ui.internal.presentations.PresentationFactoryUtil; |
| import org.eclipse.ui.internal.presentations.SystemMenuPinEditor; |
| import org.eclipse.ui.internal.presentations.SystemMenuSize; |
| import org.eclipse.ui.internal.presentations.UpdatingActionContributionItem; |
| import org.eclipse.ui.internal.util.Util; |
| import org.eclipse.ui.presentations.IPresentablePart; |
| import org.eclipse.ui.presentations.IStackPresentationSite; |
| import org.eclipse.ui.presentations.StackPresentation; |
| |
| /** |
| * Represents a tab folder of editors. This layout part container only accepts |
| * EditorPane parts. |
| * |
| * TODO: Make PartStack non-abstract and delete this class. The differences between |
| * editors and views should be handled by the presentation or the editors/views themselves. |
| */ |
| public class EditorStack extends PartStack { |
| |
| private EditorSashContainer editorArea; |
| |
| private WorkbenchPage page; |
| |
| private SystemMenuSize sizeItem = new SystemMenuSize(null); |
| |
| private SystemMenuPinEditor pinEditorItem = new SystemMenuPinEditor(null); |
| |
| public EditorStack(EditorSashContainer editorArea, WorkbenchPage page) { |
| super(PresentationFactoryUtil.ROLE_EDITOR); |
| this.editorArea = editorArea; |
| setID(this.toString()); |
| // Each folder has a unique ID so relative positioning is unambiguous. |
| // save off a ref to the page |
| //@issue is it okay to do this?? |
| //I think so since a ViewStack is |
| //not used on more than one page. |
| this.page = page; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.internal.PartStack#getPage() |
| */ |
| protected WorkbenchPage getPage() { |
| return page; |
| } |
| |
| public void addSystemActions(IMenuManager menuManager) { |
| pinEditorItem = new SystemMenuPinEditor((EditorPane) getSelection()); |
| appendToGroupIfPossible(menuManager, |
| "misc", new UpdatingActionContributionItem(pinEditorItem)); //$NON-NLS-1$ |
| sizeItem = new SystemMenuSize(getSelection()); |
| appendToGroupIfPossible(menuManager, "size", sizeItem); //$NON-NLS-1$ |
| } |
| |
| public boolean isMoveable(IPresentablePart part) { |
| return true; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.presentations.IStackPresentationSite#supportsState(int) |
| */ |
| public boolean supportsState(int state) { |
| if (page.isFixedLayout()) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| /** |
| * Factory method for editor workbooks. |
| */ |
| public static EditorStack newEditorWorkbook(EditorSashContainer editorArea, |
| WorkbenchPage page) { |
| return new EditorStack(editorArea, page); |
| } |
| |
| protected void add(LayoutPart newChild, Object cookie) { |
| super.add(newChild, cookie); |
| |
| ((EditorPane) newChild).setWorkbook(this); |
| } |
| |
| /** |
| * See IVisualContainer#add |
| */ |
| public void add(LayoutPart child) { |
| super.add(child); |
| |
| if (child instanceof EditorPane) { |
| ((EditorPane) child).setWorkbook(this); |
| } |
| } |
| |
| protected void updateActions(PresentablePart current) { |
| EditorPane pane = null; |
| if (current != null && current.getPane() instanceof EditorPane) { |
| pane = (EditorPane) current.getPane(); |
| } |
| |
| sizeItem.setPane(pane); |
| pinEditorItem.setPane(pane); |
| } |
| |
| public Control[] getTabList() { |
| return getTabList(getSelection()); |
| } |
| |
| public void removeAll() { |
| LayoutPart[] children = getChildren(); |
| |
| for (int i = 0; i < children.length; i++) { |
| remove(children[i]); |
| } |
| } |
| |
| public boolean isActiveWorkbook() { |
| EditorSashContainer area = getEditorArea(); |
| |
| if (area != null) { |
| return area.isActiveWorkbook(this); |
| } else { |
| return false; |
| } |
| } |
| |
| public void becomeActiveWorkbook(boolean hasFocus) { |
| EditorSashContainer area = getEditorArea(); |
| |
| if (area != null) { |
| area.setActiveWorkbook(this, hasFocus); |
| } |
| } |
| |
| public EditorPane[] getEditors() { |
| LayoutPart[] children = getChildren(); |
| |
| EditorPane[] panes = new EditorPane[children.length]; |
| for (int idx = 0; idx < children.length; idx++) { |
| panes[idx] = (EditorPane) children[idx]; |
| } |
| |
| return panes; |
| } |
| |
| public EditorSashContainer getEditorArea() { |
| return editorArea; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.internal.PartStack#canMoveFolder() |
| */ |
| protected boolean canMoveFolder() { |
| return true; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.internal.PartStack#derefPart(org.eclipse.ui.internal.LayoutPart) |
| */ |
| protected void derefPart(LayoutPart toDeref) { |
| EditorAreaHelper.derefPart(toDeref); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.internal.PartStack#allowsDrop(org.eclipse.ui.internal.PartPane) |
| */ |
| protected boolean allowsDrop(PartPane part) { |
| return part instanceof EditorPane; |
| } |
| |
| public void setFocus() { |
| super.setFocus(); |
| becomeActiveWorkbook(true); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.internal.PartStack#close(org.eclipse.ui.presentations.IPresentablePart[]) |
| */ |
| protected void close(IPresentablePart[] parts) { |
| |
| if (parts.length == 1) { |
| close(parts[0]); |
| return; |
| } |
| |
| IEditorReference[] toClose = new IEditorReference[parts.length]; |
| for (int idx = 0; idx < parts.length; idx++) { |
| EditorPane part = (EditorPane) getPaneFor(parts[idx]); |
| toClose[idx] = part.getEditorReference(); |
| } |
| |
| WorkbenchPage page = getPage(); |
| |
| if (page != null) { |
| page.closeEditors(toClose, true); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.internal.LayoutPart#testInvariants() |
| */ |
| public void testInvariants() { |
| super.testInvariants(); |
| |
| int active = getActive(); |
| |
| if (active == StackPresentation.AS_ACTIVE_FOCUS) { |
| Assert.isTrue(isActiveWorkbook()); |
| } else if (active == StackPresentation.AS_ACTIVE_NOFOCUS) { |
| Assert.isTrue(isActiveWorkbook()); |
| } else if (active == StackPresentation.AS_INACTIVE) { |
| Assert.isTrue(!isActiveWorkbook()); |
| } |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.internal.PartStack#restoreState(org.eclipse.ui.IMemento) |
| */ |
| public IStatus restoreState(IMemento memento) { |
| Integer expanded = memento.getInteger(IWorkbenchConstants.TAG_EXPANDED); |
| setState((expanded == null || expanded.intValue() != IStackPresentationSite.STATE_MINIMIZED) ? IStackPresentationSite.STATE_RESTORED |
| : IStackPresentationSite.STATE_MINIMIZED); |
| |
| Integer appearance = memento |
| .getInteger(IWorkbenchConstants.TAG_APPEARANCE); |
| if (appearance != null) { |
| this.appearance = appearance.intValue(); |
| } |
| |
| // Determine if the presentation has saved any info here |
| savedPresentationState = null; |
| IMemento[] presentationMementos = memento |
| .getChildren(IWorkbenchConstants.TAG_PRESENTATION); |
| |
| for (int idx = 0; idx < presentationMementos.length; idx++) { |
| IMemento child = presentationMementos[idx]; |
| |
| String id = child.getString(IWorkbenchConstants.TAG_ID); |
| |
| if (Util.equals(id, getFactory().getId())) { |
| savedPresentationState = child; |
| break; |
| } |
| } |
| |
| return new Status(IStatus.OK, PlatformUI.PLUGIN_ID, 0, "", null); //$NON-NLS-1$ |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.ui.internal.PartStack#saveState(org.eclipse.ui.IMemento) |
| */ |
| public IStatus saveState(IMemento memento) { |
| memento |
| .putInteger( |
| IWorkbenchConstants.TAG_EXPANDED, |
| (getPresentationSite().getState() == IStackPresentationSite.STATE_MINIMIZED) ? IStackPresentationSite.STATE_MINIMIZED |
| : IStackPresentationSite.STATE_RESTORED); |
| |
| memento.putInteger(IWorkbenchConstants.TAG_APPEARANCE, appearance); |
| |
| savePresentationState(); |
| |
| if (savedPresentationState != null) { |
| IMemento presentationState = memento |
| .createChild(IWorkbenchConstants.TAG_PRESENTATION); |
| presentationState.putMemento(savedPresentationState); |
| } |
| |
| return new Status(IStatus.OK, PlatformUI.PLUGIN_ID, 0, "", null); //$NON-NLS-1$ |
| } |
| } |
