| package org.eclipse.ui.part; |
| /* |
| * (c) Copyright IBM Corp. 2000, 2002. |
| * All Rights Reserved. |
| */ |
| import org.eclipse.core.resources.IMarker; |
| import org.eclipse.core.runtime.IProgressMonitor; |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.graphics.Color; |
| import org.eclipse.swt.layout.FillLayout; |
| import org.eclipse.swt.widgets.*; |
| import org.eclipse.ui.*; |
| import org.eclipse.ui.internal.*; |
| |
| /** |
| * A MultiEditor is a composite of editors. |
| * |
| * This class is intended to be supclassed. |
| * |
| */ |
| public abstract class MultiEditor extends EditorPart { |
| |
| private int activeEditorIndex; |
| private IEditorPart innerEditors[]; |
| |
| private static final int INACTIVE = 0; |
| private static final int ACTIVE_FOCUS = 1; |
| private static final int ACTIVE_NOFOCUS = 2; |
| |
| /** |
| * Constructor for TileEditor. |
| */ |
| public MultiEditor() { |
| super(); |
| } |
| /* |
| * @see IEditorPart#doSave(IProgressMonitor) |
| */ |
| public void doSave(IProgressMonitor monitor) { |
| for (int i = 0; i < innerEditors.length; i++) { |
| IEditorPart e = innerEditors[i]; |
| e.doSave(monitor); |
| } |
| } |
| /** |
| * Create the control of the inner editor. |
| * |
| * Must be called by subclass. |
| */ |
| public Composite createInnerPartControl(Composite parent,final IEditorPart e) { |
| Composite content = new Composite(parent, SWT.NONE); |
| content.setLayout(new FillLayout()); |
| e.createPartControl(content); |
| parent.addListener(SWT.Activate, new Listener() { |
| public void handleEvent(Event event) { |
| if (event.type == SWT.Activate) |
| activateEditor(e); |
| } |
| }); |
| return content; |
| } |
| |
| /* |
| * @see IEditorPart#doSaveAs() |
| */ |
| public void doSaveAs() { |
| } |
| |
| /* |
| * @see IEditorPart#gotoMarker(IMarker) |
| */ |
| public void gotoMarker(IMarker marker) { |
| } |
| |
| /* |
| * @see IEditorPart#init(IEditorSite, IEditorInput) |
| */ |
| public void init(IEditorSite site, IEditorInput input) throws PartInitException { |
| init(site, (MultiEditorInput) input); |
| } |
| /* |
| * @see IEditorPart#init(IEditorSite, IEditorInput) |
| */ |
| public void init(IEditorSite site, MultiEditorInput input) throws PartInitException { |
| setInput(input); |
| setSite(site); |
| setTitle(input.getName()); |
| setTitleToolTip(input.getToolTipText()); |
| } |
| /* |
| * @see IEditorPart#isDirty() |
| */ |
| public boolean isDirty() { |
| for (int i = 0; i < innerEditors.length; i++) { |
| IEditorPart e = innerEditors[i]; |
| if (e.isDirty()) |
| return true; |
| } |
| return false; |
| } |
| |
| /* |
| * @see IEditorPart#isSaveAsAllowed() |
| */ |
| public boolean isSaveAsAllowed() { |
| return false; |
| } |
| |
| /* |
| * @see IWorkbenchPart#setFocus() |
| */ |
| public void setFocus() { |
| innerEditors[activeEditorIndex].setFocus(); |
| updateGradient(innerEditors[activeEditorIndex]); |
| } |
| /** |
| * Returns the active inner editor. |
| */ |
| public final IEditorPart getActiveEditor() { |
| return innerEditors[activeEditorIndex]; |
| } |
| /** |
| * Returns an array with all inner editors. |
| */ |
| public final IEditorPart[] getInnerEditors() { |
| return innerEditors; |
| } |
| /** |
| * Set the inner editors. |
| * |
| * Should not be called by clients. |
| */ |
| public final void setChildren(IEditorPart[] children) { |
| innerEditors = children; |
| activeEditorIndex = 0; |
| } |
| /** |
| * Set the active editor. |
| */ |
| private void activateEditor(IEditorPart part) { |
| IEditorPart oldEditor = getActiveEditor(); |
| activeEditorIndex = getIndex(part); |
| IEditorPart e = getActiveEditor(); |
| EditorSite innerSite = (EditorSite) e.getEditorSite(); |
| ((WorkbenchPage) innerSite.getPage()).requestActivation(e); |
| updateGradient(oldEditor); |
| } |
| /* |
| * Return the index of the specified editor |
| */ |
| private int getIndex(IEditorPart editor) { |
| for (int i = 0; i < innerEditors.length; i++) { |
| if (innerEditors[i] == editor) |
| return i; |
| } |
| return -1; |
| } |
| /** |
| * Update the gradient in the title bar. |
| */ |
| public void updateGradient(IEditorPart editor) { |
| boolean activeEditor = editor == getSite().getPage().getActiveEditor(); |
| boolean activePart = editor == getSite().getPage().getActivePart(); |
| |
| Gradient g; |
| |
| if (activePart) { |
| if (getShellActivated()) |
| g = Gradient.BLUE; |
| else |
| g = Gradient.BLACK; |
| } else { |
| if (activeEditor) |
| g = Gradient.WHITE; |
| else |
| g = Gradient.GRAY; |
| } |
| drawGradient(editor, g); |
| } |
| /** |
| * Draw the gradient in the title bar. |
| */ |
| protected abstract void drawGradient(IEditorPart innerEditor,Gradient g); |
| |
| /** |
| * Return true if the shell is activated. |
| */ |
| protected boolean getShellActivated() { |
| WorkbenchWindow window = (WorkbenchWindow) getSite().getPage().getWorkbenchWindow(); |
| return window.getShellActivated(); |
| } |
| /* |
| * The colors used to draw the title bar of the inner editors |
| */ |
| public static class Gradient { |
| public Color fgColor; |
| public Color[] bgColors; |
| public int[] bgPercents; |
| |
| private static Gradient BLUE = new Gradient(); |
| private static Gradient BLACK = new Gradient(); |
| private static Gradient GRAY = new Gradient(); |
| private static Gradient WHITE = new Gradient(); |
| |
| static { |
| BLUE.fgColor = WorkbenchColors.getSystemColor(SWT.COLOR_TITLE_FOREGROUND); |
| BLUE.bgColors = WorkbenchColors.getActiveEditorGradient(); |
| BLUE.bgPercents = WorkbenchColors.getActiveEditorGradientPercents(); |
| |
| BLACK.fgColor = WorkbenchColors.getSystemColor(SWT.COLOR_TITLE_INACTIVE_FOREGROUND); |
| BLACK.bgColors = WorkbenchColors.getDeactivatedEditorGradient(); |
| BLACK.bgPercents = WorkbenchColors.getDeactivatedEditorGradientPercents(); |
| |
| WHITE.fgColor = WorkbenchColors.getSystemColor(SWT.COLOR_BLACK); |
| WHITE.bgColors = WorkbenchColors.getActiveNoFocusEditorGradient(); |
| WHITE.bgPercents = WorkbenchColors.getActiveNoFocusEditorGradientPercents(); |
| |
| GRAY.fgColor = null; |
| GRAY.bgColors = null; |
| GRAY.bgPercents = null; |
| } |
| } |
| } |