X-Git-Url: http://git.phpeclipse.com diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/text/link/LinkedPositionUI.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/text/link/LinkedPositionUI.java index bf483a5..48d0b39 100644 --- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/text/link/LinkedPositionUI.java +++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/ui/text/link/LinkedPositionUI.java @@ -1,10 +1,10 @@ /******************************************************************************* * Copyright (c) 2000, 2003 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials + * All rights reserved. This program and the accompanying materials * are made available under the terms of the Common Public License v1.0 * which accompanies this distribution, and is available at * http://www.eclipse.org/legal/cpl-v10.html - * + * * Contributors: * IBM Corporation - initial API and implementation *******************************************************************************/ @@ -33,7 +33,7 @@ import org.eclipse.jface.text.ITextListener; import org.eclipse.jface.text.ITextViewer; import org.eclipse.jface.text.ITextViewerExtension; import org.eclipse.jface.text.ITextViewerExtension2; -import org.eclipse.jface.text.ITextViewerExtension3; +import org.eclipse.jface.text.ITextViewerExtension5; import org.eclipse.jface.text.Position; import org.eclipse.jface.text.Region; import org.eclipse.jface.text.TextEvent; @@ -71,20 +71,20 @@ public class LinkedPositionUI implements ILinkedPositionListener, public interface ExitListener { void exit(boolean accept); } - + public static class ExitFlags { - public int flags; + public int flags; public boolean doit; public ExitFlags(int flags, boolean doit) { this.flags= flags; this.doit= doit; - } + } } - + public interface ExitPolicy { ExitFlags doExit(LinkedPositionManager manager, VerifyEvent event, int offset, int length); } - + // leave flags private static final int UNINSTALL= 1; // uninstall linked position manager public static final int COMMIT= 2; // commit changes @@ -94,8 +94,8 @@ public class LinkedPositionUI implements ILinkedPositionListener, private static final IPreferenceStore fgStore= PHPeclipsePlugin.getDefault().getPreferenceStore(); private static final String CARET_POSITION_PREFIX= "LinkedPositionUI.caret.position"; //$NON-NLS-1$ private static int fgCounter= 0; - - + + private final ITextViewer fViewer; private final LinkedPositionManager fManager; private final IPositionUpdater fUpdater; @@ -108,39 +108,39 @@ public class LinkedPositionUI implements ILinkedPositionListener, private Position fFramePosition; private int fInitialOffset= -1; private int fCaretOffset; - + private ExitPolicy fExitPolicy; private ExitListener fExitListener; - + private boolean fNeedRedraw; - + private String fContentType; private Position fPreviousPosition; // private ContentAssistant2 fAssistant; - /** + /** * Flag that records the state of this ui object. As there are many different entities that may * call leave or exit, these cannot always be sure whether the linked position infrastructure is - * still active. This is especially true for multithreaded situations. + * still active. This is especially true for multithreaded situations. */ private boolean fIsActive= false; /** * Creates a user interface for LinkedPositionManager. - * + * * @param viewer the text viewer. * @param manager the LinkedPositionManager managing a IDocument of the ITextViewer. */ public LinkedPositionUI(ITextViewer viewer, LinkedPositionManager manager) { Assert.isNotNull(viewer); Assert.isNotNull(manager); - + fViewer= viewer; fManager= manager; - + fPositionCategoryName= CARET_POSITION_PREFIX + (fgCounter++); fUpdater= new DefaultPositionUpdater(fPositionCategoryName); - + fManager.setLinkedPositionListener(this); initializeHighlightColor(viewer); @@ -173,20 +173,20 @@ public class LinkedPositionUI implements ILinkedPositionListener, * Returns null if there is no such information available. */ private Color createColor(IPreferenceStore store, String key, Display display) { - - RGB rgb= null; - + + RGB rgb= null; + if (store.contains(key)) { - + if (store.isDefault(key)) rgb= PreferenceConverter.getDefaultColor(store, key); else rgb= PreferenceConverter.getColor(store, key); - + if (rgb != null) return new Color(display, rgb); } - + return null; } @@ -195,9 +195,9 @@ public class LinkedPositionUI implements ILinkedPositionListener, * @param offset */ public void setInitialOffset(int offset) { - fInitialOffset= offset; + fInitialOffset= offset; } - + /** * Sets the final position of the caret when the linked mode is exited * successfully by leaving the last linked position using TAB. @@ -205,7 +205,7 @@ public class LinkedPositionUI implements ILinkedPositionListener, * LinkedPositionManager. */ public void setFinalCaretOffset(int offset) { - fFinalCaretOffset= offset; + fFinalCaretOffset= offset; } /** @@ -230,7 +230,7 @@ public class LinkedPositionUI implements ILinkedPositionListener, public void setCurrentPosition(Position position, int caretOffset) { if (!fIsActive) ;//JavaPlugin.log(new Status(IStatus.WARNING, JavaPlugin.getPluginId(), IStatus.OK, "LinkedPositionUI is not active: "+fPositionCategoryName, new IllegalStateException())); //$NON-NLS-1$ - + if (!fFramePosition.equals(position)) { fNeedRedraw= true; fFramePosition= position; @@ -242,7 +242,7 @@ public class LinkedPositionUI implements ILinkedPositionListener, /** * Enters the linked mode. The linked mode can be left by calling * exit. - * + * * @see #exit(boolean) */ public void enter() { @@ -252,7 +252,7 @@ public class LinkedPositionUI implements ILinkedPositionListener, fIsActive= true; // JavaPlugin.log(new Status(IStatus.INFO, JavaPlugin.getPluginId(), IStatus.OK, "LinkedPositionUI activated: "+fPositionCategoryName, new Exception())); //$NON-NLS-1$ } - + // track final caret IDocument document= fViewer.getDocument(); @@ -274,11 +274,11 @@ public class LinkedPositionUI implements ILinkedPositionListener, fViewer.addTextInputListener(this); fViewer.addTextListener(this); - + ITextViewerExtension extension= (ITextViewerExtension) fViewer; extension.prependVerifyKeyListener(this); - StyledText text= fViewer.getTextWidget(); + StyledText text= fViewer.getTextWidget(); text.addVerifyListener(this); text.addModifyListener(this); text.addPaintListener(this); @@ -286,7 +286,7 @@ public class LinkedPositionUI implements ILinkedPositionListener, Shell shell= text.getShell(); shell.addShellListener(this); - + fFramePosition= (fInitialOffset == -1) ? fManager.getFirstPosition() : fManager.getPosition(fInitialOffset); if (fFramePosition == null) { leave(UNINSTALL | COMMIT | UPDATE_CARET); @@ -335,13 +335,13 @@ public class LinkedPositionUI implements ILinkedPositionListener, public IRegion getSelectedRegion() { if (!fIsActive) ;//JavaPlugin.log(new Status(IStatus.WARNING, JavaPlugin.getPluginId(), IStatus.OK, "LinkedPositionUI is not active: "+fPositionCategoryName, new IllegalStateException())); //$NON-NLS-1$ - + if (fFramePosition == null) return new Region(fFinalCaretOffset, 0); else return new Region(fFramePosition.getOffset(), fFramePosition.getLength()); } - + private void leave(int flags) { if (!fIsActive) ;//JavaPlugin.log(new Status(IStatus.WARNING, JavaPlugin.getPluginId(), IStatus.OK, "LinkedPositionUI is not active: "+fPositionCategoryName, new IllegalStateException())); //$NON-NLS-1$ @@ -349,33 +349,33 @@ public class LinkedPositionUI implements ILinkedPositionListener, fIsActive= false; //JavaPlugin.log(new Status(IStatus.INFO, JavaPlugin.getPluginId(), IStatus.OK, "LinkedPositionUI deactivated: "+fPositionCategoryName, new Exception())); //$NON-NLS-1$ } - + fInitialOffset= -1; - + if ((flags & UNINSTALL) != 0) fManager.uninstall((flags & COMMIT) != 0); fgStore.removePropertyChangeListener(this); - + if (fFrameColor != null) { fFrameColor.dispose(); fFrameColor= null; - } - + } + StyledText text= fViewer.getTextWidget(); // bail out if the styled text is null, meaning the viewer has been disposed (-> document is null as well) // see pr https://bugs.eclipse.org/bugs/show_bug.cgi?id=46821 if (text == null) return; - + text.removePaintListener(this); text.removeModifyListener(this); text.removeVerifyListener(this); Shell shell= text.getShell(); shell.removeShellListener(this); - + // if (fAssistant != null) { // Display display= text.getDisplay(); // if (display != null && !display.isDisposed()) { @@ -392,7 +392,7 @@ public class LinkedPositionUI implements ILinkedPositionListener, ITextViewerExtension extension= (ITextViewerExtension) fViewer; extension.removeVerifyKeyListener(this); - + IRewriteTarget target= extension.getRewriteTarget(); target.endCompoundChange(); @@ -402,7 +402,7 @@ public class LinkedPositionUI implements ILinkedPositionListener, fViewer.removeTextListener(this); fViewer.removeTextInputListener(this); - + try { IDocument document= fViewer.getDocument(); @@ -412,13 +412,13 @@ public class LinkedPositionUI implements ILinkedPositionListener, { Position[] positions= document.getPositions(fPositionCategoryName); if ((positions != null) && (positions.length != 0)) { - - if (fViewer instanceof ITextViewerExtension3) { - ITextViewerExtension3 extension3= (ITextViewerExtension3) fViewer; + + if (fViewer instanceof ITextViewerExtension5) { + ITextViewerExtension5 extension3= (ITextViewerExtension5) fViewer; int widgetOffset= extension3.modelOffset2WidgetOffset(positions[0].getOffset()); if (widgetOffset >= 0) text.setSelection(widgetOffset, widgetOffset); - + } else { IRegion region= fViewer.getVisibleRegion(); int offset= positions[0].getOffset() - region.getOffset(); @@ -430,7 +430,7 @@ public class LinkedPositionUI implements ILinkedPositionListener, document.removePositionUpdater(fUpdater); document.removePositionCategory(fPositionCategoryName); - + if (fExitListener != null) fExitListener.exit( ((flags & COMMIT) != 0) || @@ -448,9 +448,9 @@ public class LinkedPositionUI implements ILinkedPositionListener, private void next() { if (!fIsActive) ;//JavaPlugin.log(new Status(IStatus.WARNING, JavaPlugin.getPluginId(), IStatus.OK, "LinkedPositionUI is not active: "+fPositionCategoryName, new IllegalStateException())); //$NON-NLS-1$ - + redrawRegion(); - + if (fFramePosition == fFinalCaretPosition) fFramePosition= fManager.getFirstPosition(); else @@ -469,13 +469,13 @@ public class LinkedPositionUI implements ILinkedPositionListener, redrawRegion(); } } - + private void previous() { if (!fIsActive) ;//JavaPlugin.log(new Status(IStatus.WARNING, JavaPlugin.getPluginId(), IStatus.OK, "LinkedPositionUI is not active: "+fPositionCategoryName, new IllegalStateException())); //$NON-NLS-1$ - + redrawRegion(); - + fFramePosition= fManager.getPreviousPosition(fFramePosition.getOffset()); if (fFramePosition == null) { if (fFinalCaretPosition != null) @@ -495,7 +495,7 @@ public class LinkedPositionUI implements ILinkedPositionListener, /** Trigger content assist on choice positions */ // private void triggerContentAssist() { // if (fFramePosition instanceof ProposalPosition) { -// +// // ProposalPosition pp= (ProposalPosition) fFramePosition; // initializeContentAssistant(); // if (fAssistant == null) @@ -507,7 +507,7 @@ public class LinkedPositionUI implements ILinkedPositionListener, // fAssistant.setCompletions(new ICompletionProposal[0]); // } // } - + /** Lazy initialize content assistant for this linked ui */ // private void initializeContentAssistant() { // if (fAssistant != null) @@ -524,18 +524,18 @@ public class LinkedPositionUI implements ILinkedPositionListener, if (!event.doit || !fIsActive) return; - + Point selection= fViewer.getSelectedRange(); int offset= selection.x; int length= selection.y; - + ExitFlags exitFlags= fExitPolicy == null ? null : fExitPolicy.doExit(fManager, event, offset, length); if (exitFlags != null) { leave(UNINSTALL | exitFlags.flags); event.doit= exitFlags.doit; return; } - + switch (event.character) { // [SHIFT-]TAB = hop between edit boxes case 0x09: @@ -546,12 +546,12 @@ public class LinkedPositionUI implements ILinkedPositionListener, return; } } - + if (event.stateMask == SWT.SHIFT) previous(); - else - next(); - + else + next(); + event.doit= false; break; @@ -564,7 +564,7 @@ public class LinkedPositionUI implements ILinkedPositionListener, // event.doit= false; // break; // } - + // if enter was treated as a document change, would it exceed variable range? if (!LinkedPositionManager.includes(fFramePosition, offset, length) || (fFramePosition == fFinalCaretPosition)) { @@ -572,7 +572,7 @@ public class LinkedPositionUI implements ILinkedPositionListener, return; } } - + leave(UNINSTALL | COMMIT | UPDATE_CARET); event.doit= false; break; @@ -582,65 +582,65 @@ public class LinkedPositionUI implements ILinkedPositionListener, leave(UNINSTALL | COMMIT); event.doit= false; break; - + case ';': leave(UNINSTALL | COMMIT); event.doit= true; break; - + default: if (event.character != 0) { if (!controlUndoBehavior(offset, length) || fFramePosition == fFinalCaretPosition) { leave(UNINSTALL | COMMIT); - break; + break; } } } } - + private boolean controlUndoBehavior(int offset, int length) { - + Position position= fManager.getEmbracingPosition(offset, length); if (position != null) { - + ITextViewerExtension extension= (ITextViewerExtension) fViewer; IRewriteTarget target= extension.getRewriteTarget(); - + if (fPreviousPosition != null && !fPreviousPosition.equals(position)) target.endCompoundChange(); target.beginCompoundChange(); } - + fPreviousPosition= position; return fPreviousPosition != null; } - + /* * @see VerifyListener#verifyText(VerifyEvent) */ public void verifyText(VerifyEvent event) { if (!event.doit) return; - - + + int offset= 0; int length= 0; - - if (fViewer instanceof ITextViewerExtension3) { - ITextViewerExtension3 extension= (ITextViewerExtension3) fViewer; + + if (fViewer instanceof ITextViewerExtension5) { + ITextViewerExtension5 extension= (ITextViewerExtension5) fViewer; IRegion modelRange= extension.widgetRange2ModelRange(new Region(event.start, event.end - event.start)); if (modelRange == null) return; - + offset= modelRange.getOffset(); length= modelRange.getLength(); - + } else { IRegion visibleRegion= fViewer.getVisibleRegion(); offset= event.start + visibleRegion.getOffset(); length= event.end - event.start; } - + // allow changes only within linked positions when coming through UI if (!fManager.anyPositionIncludes(offset, length)) leave(UNINSTALL | COMMIT); @@ -649,10 +649,10 @@ public class LinkedPositionUI implements ILinkedPositionListener, /* * @see PaintListener#paintControl(PaintEvent) */ - public void paintControl(PaintEvent event) { + public void paintControl(PaintEvent event) { if (fFramePosition == null) return; - + IRegion widgetRange= asWidgetRange(fFramePosition); if (widgetRange == null) { leave(UNINSTALL | COMMIT | DOCUMENT_CHANGED); @@ -663,7 +663,7 @@ public class LinkedPositionUI implements ILinkedPositionListener, int length= widgetRange.getLength(); StyledText text= fViewer.getTextWidget(); - + // support for bidi Point minLocation= getMinimumLocation(text, offset, length); Point maxLocation= getMaximumLocation(text, offset, length); @@ -671,25 +671,25 @@ public class LinkedPositionUI implements ILinkedPositionListener, int x1= minLocation.x; int x2= minLocation.x + maxLocation.x - minLocation.x - 1; int y= minLocation.y + text.getLineHeight() - 1; - + GC gc= event.gc; gc.setForeground(fFrameColor); gc.drawLine(x1, y, x2, y); } - + protected IRegion asWidgetRange(Position position) { - if (fViewer instanceof ITextViewerExtension3) { - - ITextViewerExtension3 extension= (ITextViewerExtension3) fViewer; + if (fViewer instanceof ITextViewerExtension5) { + + ITextViewerExtension5 extension= (ITextViewerExtension5) fViewer; return extension.modelRange2WidgetRange(new Region(position.getOffset(), position.getLength())); - + } else { - + IRegion region= fViewer.getVisibleRegion(); if (includes(region, position)) return new Region(position.getOffset() - region.getOffset(), position.getLength()); } - + return null; } @@ -698,13 +698,13 @@ public class LinkedPositionUI implements ILinkedPositionListener, for (int i= 0; i <= length; i++) { Point location= text.getLocationAtOffset(offset + i); - + if (location.x < minLocation.x) - minLocation.x= location.x; + minLocation.x= location.x; if (location.y < minLocation.y) - minLocation.y= location.y; - } - + minLocation.y= location.y; + } + return minLocation; } @@ -713,13 +713,13 @@ public class LinkedPositionUI implements ILinkedPositionListener, for (int i= 0; i <= length; i++) { Point location= text.getLocationAtOffset(offset + i); - + if (location.x > maxLocation.x) - maxLocation.x= location.x; + maxLocation.x= location.x; if (location.y > maxLocation.y) - maxLocation.y= location.y; - } - + maxLocation.y= location.y; + } + return maxLocation; } @@ -727,20 +727,20 @@ public class LinkedPositionUI implements ILinkedPositionListener, IRegion widgetRange= asWidgetRange(fFramePosition); if (widgetRange == null) { leave(UNINSTALL | COMMIT | DOCUMENT_CHANGED); - return; + return; } - + StyledText text= fViewer.getTextWidget(); - if (text != null && !text.isDisposed()) + if (text != null && !text.isDisposed()) text.redrawRange(widgetRange.getOffset(), widgetRange.getLength(), true); } private void selectRegion() { - + IRegion widgetRange= asWidgetRange(fFramePosition); if (widgetRange == null) { leave(UNINSTALL | COMMIT | DOCUMENT_CHANGED); - return; + return; } StyledText text= fViewer.getTextWidget(); @@ -750,15 +750,15 @@ public class LinkedPositionUI implements ILinkedPositionListener, text.setSelection(start, end); } } - + private void updateCaret() { - + IRegion widgetRange= asWidgetRange(fFramePosition); if (widgetRange == null) { leave(UNINSTALL | COMMIT | DOCUMENT_CHANGED); - return; + return; } - + int offset= widgetRange.getOffset() + fCaretOffset; StyledText text= fViewer.getTextWidget(); if (text != null && !text.isDisposed()) @@ -767,7 +767,7 @@ public class LinkedPositionUI implements ILinkedPositionListener, /* * @see ModifyListener#modifyText(ModifyEvent) - */ + */ public void modifyText(ModifyEvent e) { // reposition caret after StyledText redrawRegion(); @@ -813,7 +813,7 @@ public class LinkedPositionUI implements ILinkedPositionListener, public void textChanged(TextEvent event) { if (!fNeedRedraw) return; - + redrawRegion(); fNeedRedraw= false; } @@ -838,25 +838,25 @@ public class LinkedPositionUI implements ILinkedPositionListener, // don't deactivate on focus lost, since the proposal popups may take focus // plus: it doesn't hurt if you can check with another window without losing linked mode // since there is no intrusive popup sticking out. - + // need to check first what happens on reentering based on an open action // Seems to be no problem - + // TODO check whether we can leave it or uncomment it after debugging // PS: why DOCUMENT_CHANGED? We want to trigger a redraw! (Shell deactivated does not mean // it is not visible any longer. // leave(UNINSTALL | COMMIT | DOCUMENT_CHANGED); - + // Better: - // Check with content assistant and only leave if its not the proposal shell that took the + // Check with content assistant and only leave if its not the proposal shell that took the // focus away. - + StyledText text; Display display; -// if (fAssistant == null || fViewer == null || (text= fViewer.getTextWidget()) == null +// if (fAssistant == null || fViewer == null || (text= fViewer.getTextWidget()) == null // || (display= text.getDisplay()) == null || display.isDisposed()) { - if ( fViewer == null || (text= fViewer.getTextWidget()) == null + if ( fViewer == null || (text= fViewer.getTextWidget()) == null || (display= text.getDisplay()) == null || display.isDisposed()) { leave(UNINSTALL | COMMIT); } else {