/*******************************************************************************
* Copyright (c) 2014, 2015 Cisco Systems, Inc. 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
*
*******************************************************************************/
package com.cisco.yangide.ext.refactoring.ui;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.jobs.Job;
import org.eclipse.jface.action.Action;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.action.IMenuListener2;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.MenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.jface.bindings.keys.IKeyLookup;
import org.eclipse.jface.bindings.keys.KeyLookupFactory;
import org.eclipse.jface.bindings.keys.KeyStroke;
import org.eclipse.jface.dialogs.IDialogSettings;
import org.eclipse.jface.text.ITextListener;
import org.eclipse.jface.text.ITextViewerExtension5;
import org.eclipse.jface.text.IViewportListener;
import org.eclipse.jface.text.IWidgetTokenKeeper;
import org.eclipse.jface.text.IWidgetTokenKeeperExtension;
import org.eclipse.jface.text.IWidgetTokenOwner;
import org.eclipse.jface.text.IWidgetTokenOwnerExtension;
import org.eclipse.jface.text.TextEvent;
import org.eclipse.jface.text.link.LinkedPosition;
import org.eclipse.jface.text.source.ISourceViewer;
import org.eclipse.jface.util.Geometry;
import org.eclipse.jface.util.Util;
import org.eclipse.osgi.util.NLS;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.StyleRange;
import org.eclipse.swt.custom.StyledText;
import org.eclipse.swt.events.ControlAdapter;
import org.eclipse.swt.events.ControlEvent;
import org.eclipse.swt.events.ControlListener;
import org.eclipse.swt.events.DisposeEvent;
import org.eclipse.swt.events.DisposeListener;
import org.eclipse.swt.events.KeyEvent;
import org.eclipse.swt.events.KeyListener;
import org.eclipse.swt.events.MouseAdapter;
import org.eclipse.swt.events.MouseEvent;
import org.eclipse.swt.events.MouseListener;
import org.eclipse.swt.events.PaintEvent;
import org.eclipse.swt.events.PaintListener;
import org.eclipse.swt.events.SelectionAdapter;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.ShellAdapter;
import org.eclipse.swt.events.ShellEvent;
import org.eclipse.swt.graphics.Color;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.graphics.Rectangle;
import org.eclipse.swt.graphics.Region;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Menu;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.ToolBar;
import org.eclipse.swt.widgets.ToolItem;
import org.eclipse.swt.widgets.Tracker;
import org.eclipse.ui.IPartListener2;
import org.eclipse.ui.IWorkbenchPart;
import org.eclipse.ui.IWorkbenchPartReference;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.keys.IBindingService;
import org.eclipse.ui.progress.UIJob;
import com.cisco.yangide.editor.editors.YangEditor;
import com.cisco.yangide.ext.refactoring.YangRefactoringPlugin;
import com.cisco.yangide.ui.internal.IYangUIConstants;
import com.cisco.yangide.ui.internal.YangUIImages;
/**
* @author Konstantin Zaitsev
* @date Aug 4, 2014
*/
public class RenameInformationPopup implements IWidgetTokenKeeper, IWidgetTokenKeeperExtension {
private class PopupVisibilityManager
implements IPartListener2, ControlListener, MouseListener, KeyListener, ITextListener, IViewportListener {
public void start() {
editor.getSite().getWorkbenchWindow().getPartService().addPartListener(this);
final ISourceViewer viewer = editor.getViewer();
final StyledText textWidget = viewer.getTextWidget();
textWidget.addControlListener(this);
textWidget.addMouseListener(this);
textWidget.addKeyListener(this);
editor.getSite().getShell().addControlListener(this);
viewer.addTextListener(this);
viewer.addViewportListener(this);
fPopup.addDisposeListener(new DisposeListener() {
@Override
public void widgetDisposed(DisposeEvent e) {
editor.getSite().getWorkbenchWindow().getPartService()
.removePartListener(PopupVisibilityManager.this);
if (!textWidget.isDisposed()) {
textWidget.removeControlListener(PopupVisibilityManager.this);
textWidget.removeMouseListener(PopupVisibilityManager.this);
textWidget.removeKeyListener(PopupVisibilityManager.this);
}
editor.getSite().getShell().removeControlListener(PopupVisibilityManager.this);
viewer.removeTextListener(PopupVisibilityManager.this);
viewer.removeViewportListener(PopupVisibilityManager.this);
if (fMenuManager != null) {
fMenuManager.dispose();
fMenuManager = null;
}
renameLinkedMode.cancel();
}
});
}
@Override
public void partActivated(IWorkbenchPartReference partRef) {
IWorkbenchPart fPart = editor.getEditorSite().getPart();
if (partRef.getPart(false) == fPart) {
updateVisibility();
}
}
@Override
public void partBroughtToTop(IWorkbenchPartReference partRef) {
}
@Override
public void partClosed(IWorkbenchPartReference partRef) {
}
@Override
public void partDeactivated(IWorkbenchPartReference partRef) {
IWorkbenchPart fPart = editor.getEditorSite().getPart();
if (fPopup != null && !fPopup.isDisposed() && partRef.getPart(false) == fPart) {
fPopup.setVisible(false);
}
}
@Override
public void partHidden(IWorkbenchPartReference partRef) {
}
@Override
public void partInputChanged(IWorkbenchPartReference partRef) {
}
@Override
public void partOpened(IWorkbenchPartReference partRef) {
}
@Override
public void partVisible(IWorkbenchPartReference partRef) {
}
@Override
public void controlMoved(ControlEvent e) {
updatePopupLocation(true);
updateVisibility(); // only for hiding outside editor area
}
@Override
public void controlResized(ControlEvent e) {
updatePopupLocation(true);
updateVisibility(); // only for hiding outside editor area
}
@Override
public void mouseDoubleClick(MouseEvent e) {
}
@Override
public void mouseDown(MouseEvent e) {
}
@Override
public void mouseUp(MouseEvent e) {
updatePopupLocation(false);
updateVisibility();
}
@Override
public void keyPressed(KeyEvent e) {
updatePopupLocation(false);
updateVisibility();
}
@Override
public void keyReleased(KeyEvent e) {
}
@Override
public void textChanged(TextEvent event) {
if (!event.getViewerRedrawState()) {
return;
}
updatePopupLocation(false);
updateVisibility(); // only for hiding outside editor area
}
@Override
public void viewportChanged(int verticalOffset) {
updatePopupLocation(true);
updateVisibility(); // only for hiding outside editor area
}
}
/**
* Cached platform flag for dealing with platform-specific issue:
* https://bugs.eclipse.org/bugs/show_bug.cgi?id=219326 : Shell with custom region and
* SWT.NO_TRIM still has border
*/
private static boolean MAC = Util.isMac();
private static final int WIDGET_PRIORITY = 1000;
private static final String DIALOG_SETTINGS_SECTION = "RenameInformationPopup"; //$NON-NLS-1$
private static final String SNAP_POSITION_KEY = "snap_position"; //$NON-NLS-1$
private static final int SNAP_POSITION_UNDER_RIGHT_FIELD = 0;
private static final int SNAP_POSITION_OVER_RIGHT_FIELD = 1;
private static final int SNAP_POSITION_UNDER_LEFT_FIELD = 2;
private static final int SNAP_POSITION_OVER_LEFT_FIELD = 3;
private static final int SNAP_POSITION_LOWER_RIGHT = 4;
private static final int POPUP_VISIBILITY_DELAY = 300;
/**
* Offset of info hover arrow from the left or right side.
*/
private static final int HAO = 10;
/**
* Width of info hover arrow.
*/
private static final int HAW = 8;
/**
* Height of info hover arrow.
*/
private static final int HAH = 10;
/**
* Gap between linked position and popup.
*/
private static final int GAP = 2;
private final YangEditor editor;
private final RenameLinkedMode renameLinkedMode;
private int fSnapPosition;
private boolean fSnapPositionChanged;
private Shell fPopup;
private GridLayout fPopupLayout;
private Region fRegion;
private MenuManager fMenuManager;
private ToolBar fToolBar;
private String fOpenDialogBinding = ""; //$NON-NLS-1$
private boolean fIsMenuUp = false;
private boolean fDelayJobFinished = false;
public RenameInformationPopup(YangEditor editor, RenameLinkedMode renameLinkedMode) {
this.editor = editor;
this.renameLinkedMode = renameLinkedMode;
restoreSnapPosition();
}
private void restoreSnapPosition() {
IDialogSettings settings = getDialogSettings();
try {
fSnapPosition = settings.getInt(SNAP_POSITION_KEY);
} catch (NumberFormatException e) {
// default:
fSnapPosition = SNAP_POSITION_UNDER_LEFT_FIELD;
}
fSnapPositionChanged = true;
}
private IDialogSettings getDialogSettings() {
return YangRefactoringPlugin.getDefault().getDialogSettingsSection(DIALOG_SETTINGS_SECTION);
}
public void open() {
// Must cache here, since editor context is not available in menu from popup shell:
fOpenDialogBinding = getOpenDialogBinding();
Shell workbenchShell = editor.getSite().getShell();
final Display display = workbenchShell.getDisplay();
fPopup = new Shell(workbenchShell, SWT.ON_TOP | SWT.NO_TRIM | SWT.TOOL);
fPopupLayout = new GridLayout(2, false);
fPopupLayout.marginWidth = 1;
fPopupLayout.marginHeight = 1;
fPopupLayout.marginLeft = 4;
fPopupLayout.horizontalSpacing = 0;
fPopup.setLayout(fPopupLayout);
createContent(fPopup);
updatePopupLocation(true);
new PopupVisibilityManager().start();
// Leave linked mode when popup loses focus
// (except when focus goes back to workbench window or menu is open):
fPopup.addShellListener(new ShellAdapter() {
@Override
public void shellDeactivated(ShellEvent e) {
if (fIsMenuUp) {
return;
}
final Shell editorShell = editor.getSite().getShell();
display.asyncExec(new Runnable() {
// post to UI thread since editor shell only gets activated after popup has lost
// focus
@Override
public void run() {
Shell activeShell = display.getActiveShell();
if (activeShell != editorShell) {
renameLinkedMode.cancel();
}
}
});
}
});
if (!MAC) { // carbon and cocoa draw their own border...
fPopup.addPaintListener(new PaintListener() {
@Override
public void paintControl(PaintEvent pe) {
pe.gc.drawPolygon(getPolygon(true));
}
});
}
UIJob delayJob = new UIJob(display, "delayed RenameInformationPopup") {
@Override
public IStatus runInUIThread(IProgressMonitor monitor) {
fDelayJobFinished = true;
if (fPopup != null && !fPopup.isDisposed()) {
updateVisibility();
}
return Status.OK_STATUS;
}
};
delayJob.setSystem(true);
delayJob.setPriority(Job.INTERACTIVE);
delayJob.schedule(POPUP_VISIBILITY_DELAY);
}
public void close() {
if (fPopup != null) {
if (!fPopup.isDisposed()) {
fPopup.close();
}
fPopup = null;
}
releaseWidgetToken();
if (fRegion != null) {
if (!fRegion.isDisposed()) {
fRegion.dispose();
}
}
}
public Shell getShell() {
return fPopup;
}
private void updatePopupLocation(boolean force) {
if (!force && fSnapPosition == SNAP_POSITION_LOWER_RIGHT) {
return;
}
packPopup();
Point loc = computePopupLocation(fSnapPosition);
if (loc != null && !loc.equals(fPopup.getLocation())) {
fPopup.setLocation(loc);
// XXX workaround for https://bugs.eclipse.org/bugs/show_bug.cgi?id=170774
// fPopup.moveBelow(fEditor.getSite().getShell().getShells()[0]);
}
}
private void updateVisibility() {
if (fPopup != null && !fPopup.isDisposed() && fDelayJobFinished) {
boolean visible = false;
// TODO: Check for visibility of linked position, not whether popup is outside of
// editor?
if (renameLinkedMode.isCaretInLinkedPosition()) {
StyledText textWidget = editor.getViewer().getTextWidget();
Rectangle eArea = Geometry.toDisplay(textWidget, textWidget.getClientArea());
Rectangle pBounds = fPopup.getBounds();
pBounds.x -= GAP;
pBounds.y -= GAP;
pBounds.width += 2 * GAP;
pBounds.height += 2 * GAP;
if (eArea.intersects(pBounds)) {
visible = true;
}
}
if (visible && !fPopup.isVisible()) {
ISourceViewer viewer = editor.getViewer();
if (viewer instanceof IWidgetTokenOwnerExtension) {
IWidgetTokenOwnerExtension widgetTokenOwnerExtension = (IWidgetTokenOwnerExtension) viewer;
widgetTokenOwnerExtension.requestWidgetToken(this, WIDGET_PRIORITY);
}
} else if (!visible && fPopup.isVisible()) {
releaseWidgetToken();
}
fPopup.setVisible(visible);
}
}
private void releaseWidgetToken() {
ISourceViewer viewer = editor.getViewer();
if (viewer instanceof IWidgetTokenOwner) {
IWidgetTokenOwner widgetTokenOwner = (IWidgetTokenOwner) viewer;
widgetTokenOwner.releaseWidgetToken(this);
}
}
/**
* @param snapPosition one of the SNAP_POSITION_* constants
* @return the location in display coordinates or <code>null</code> iff not visible
*/
private Point computePopupLocation(int snapPosition) {
if (fPopup == null || fPopup.isDisposed()) {
return null;
}
switch (snapPosition) {
case SNAP_POSITION_LOWER_RIGHT: {
StyledText eWidget = editor.getViewer().getTextWidget();
Rectangle eBounds = eWidget.getClientArea();
Point eLowerRight = eWidget.toDisplay(eBounds.x + eBounds.width, eBounds.y + eBounds.height);
Point pSize = getExtent();
return new Point(eLowerRight.x - pSize.x - 5, eLowerRight.y - pSize.y - 5);
}
case SNAP_POSITION_UNDER_RIGHT_FIELD:
case SNAP_POSITION_OVER_RIGHT_FIELD: {
LinkedPosition position = renameLinkedMode.getCurrentLinkedPosition();
if (position == null) {
return null;
}
ISourceViewer viewer = editor.getViewer();
ITextViewerExtension5 viewer5 = (ITextViewerExtension5) viewer;
int widgetOffset = viewer5.modelOffset2WidgetOffset(position.offset + position.length);
StyledText textWidget = viewer.getTextWidget();
Point pos = textWidget.getLocationAtOffset(widgetOffset);
Point pSize = getExtent();
if (snapPosition == SNAP_POSITION_OVER_RIGHT_FIELD) {
pos.y -= pSize.y + GAP;
} else {
pos.y += textWidget.getLineHeight(widgetOffset) + GAP;
}
pos.x += GAP;
Point dPos = textWidget.toDisplay(pos);
Rectangle displayBounds = textWidget.getDisplay().getClientArea();
Rectangle dPopupRect = Geometry.createRectangle(dPos, pSize);
Geometry.moveInside(dPopupRect, displayBounds);
return new Point(dPopupRect.x, dPopupRect.y);
}
case SNAP_POSITION_UNDER_LEFT_FIELD:
case SNAP_POSITION_OVER_LEFT_FIELD:
default: // same as SNAP_POSITION_UNDER_LEFT_FIELD
{
LinkedPosition position = renameLinkedMode.getCurrentLinkedPosition();
if (position == null) {
return null;
}
ISourceViewer viewer = editor.getViewer();
ITextViewerExtension5 viewer5 = (ITextViewerExtension5) viewer;
int widgetOffset = viewer5
.modelOffset2WidgetOffset(position.offset/* + position.length */);
StyledText textWidget = viewer.getTextWidget();
Point pos = textWidget.getLocationAtOffset(widgetOffset);
Point pSize = getExtent();
pSize.y += HAH + 1;
pos.x -= HAO;
if (snapPosition == SNAP_POSITION_OVER_LEFT_FIELD) {
pos.y -= pSize.y;
} else {
pos.y += textWidget.getLineHeight(widgetOffset);
}
Point dPos = textWidget.toDisplay(pos);
Rectangle displayBounds = textWidget.getDisplay().getClientArea();
Rectangle dPopupRect = Geometry.createRectangle(dPos, pSize);
Geometry.moveInside(dPopupRect, displayBounds);
return new Point(dPopupRect.x, dPopupRect.y);
}
}
}
private void addMoveSupport(final Shell popupShell, final Control movedControl) {
movedControl.addMouseListener(new MouseAdapter() {
@Override
public void mouseDown(final MouseEvent downEvent) {
if (downEvent.button != 1) {
return;
}
final Point POPUP_SOURCE = popupShell.getLocation();
final StyledText textWidget = editor.getViewer().getTextWidget();
Point pSize = getExtent();
int originalSnapPosition = fSnapPosition;
/*
* Feature in Tracker: it is not possible to directly control the feedback, see
* https://bugs.eclipse.org/bugs/show_bug.cgi?id=121300 and
* https://bugs.eclipse.org/bugs/show_bug.cgi?id=121298#c1 .
*
* Workaround is to have an offscreen rectangle for tracking mouse movement and a
* manually updated rectangle for the actual drop target.
*/
final Tracker tracker = new Tracker(textWidget, SWT.NONE);
final Point[] LOCATIONS = { textWidget.toControl(computePopupLocation(SNAP_POSITION_UNDER_RIGHT_FIELD)),
textWidget.toControl(computePopupLocation(SNAP_POSITION_OVER_RIGHT_FIELD)),
textWidget.toControl(computePopupLocation(SNAP_POSITION_UNDER_LEFT_FIELD)),
textWidget.toControl(computePopupLocation(SNAP_POSITION_OVER_LEFT_FIELD)),
textWidget.toControl(computePopupLocation(SNAP_POSITION_LOWER_RIGHT)) };
final Rectangle[] DROP_TARGETS = { Geometry.createRectangle(LOCATIONS[0], pSize),
Geometry.createRectangle(LOCATIONS[1], pSize),
new Rectangle(LOCATIONS[2].x, LOCATIONS[2].y + HAH, pSize.x, pSize.y),
Geometry.createRectangle(LOCATIONS[3], pSize), Geometry.createRectangle(LOCATIONS[4], pSize) };
final Rectangle MOUSE_MOVE_SOURCE = new Rectangle(1000000, 0, 0, 0);
tracker.setRectangles(new Rectangle[] { MOUSE_MOVE_SOURCE, DROP_TARGETS[fSnapPosition] });
tracker.setStippled(true);
ControlListener moveListener = new ControlAdapter() {
/*
* @see
* org.eclipse.swt.events.ControlAdapter#controlMoved(org.eclipse.swt.events
* .ControlEvent)
*/
@Override
public void controlMoved(ControlEvent moveEvent) {
Rectangle[] currentRects = tracker.getRectangles();
final Rectangle mouseMoveCurrent = currentRects[0];
Point popupLoc = new Point(POPUP_SOURCE.x + mouseMoveCurrent.x - MOUSE_MOVE_SOURCE.x,
POPUP_SOURCE.y + mouseMoveCurrent.y - MOUSE_MOVE_SOURCE.y);
popupShell.setLocation(popupLoc);
Point ePopupLoc = textWidget.toControl(popupLoc);
int minDist = Integer.MAX_VALUE;
for (int snapPos = 0; snapPos < DROP_TARGETS.length; snapPos++) {
int dist = Geometry.distanceSquared(ePopupLoc, LOCATIONS[snapPos]);
if (dist < minDist) {
minDist = dist;
fSnapPosition = snapPos;
fSnapPositionChanged = true;
currentRects[1] = DROP_TARGETS[snapPos];
}
}
tracker.setRectangles(currentRects);
}
};
tracker.addControlListener(moveListener);
boolean committed = tracker.open();
tracker.close();
tracker.dispose();
if (committed) {
getDialogSettings().put(SNAP_POSITION_KEY, fSnapPosition);
} else {
fSnapPosition = originalSnapPosition;
fSnapPositionChanged = true;
}
updatePopupLocation(true);
activateEditor();
}
});
}
private void packPopup() {
if (!fSnapPositionChanged) {
return;
}
fSnapPositionChanged = false;
boolean isUnderLeft = fSnapPosition == SNAP_POSITION_UNDER_LEFT_FIELD;
boolean isOverLeft = fSnapPosition == SNAP_POSITION_OVER_LEFT_FIELD;
fPopupLayout.marginTop = isUnderLeft ? HAH : 0;
fPopupLayout.marginBottom = isOverLeft ? HAH + 1 : 0;
fPopup.pack();
Region oldRegion = fRegion;
if (isUnderLeft || isOverLeft) {
fRegion = new Region();
fRegion.add(getPolygon(false));
fPopup.setRegion(fRegion);
Rectangle bounds = fRegion.getBounds();
fPopup.setSize(bounds.width, bounds.height + 1);
} else {
fRegion = null;
fPopup.setRegion(null);
}
if (oldRegion != null) {
oldRegion.dispose();
}
}
private Point getExtent() {
Point e = fPopup.getSize();
switch (fSnapPosition) {
case SNAP_POSITION_UNDER_LEFT_FIELD:
e.y -= HAH;
break;
case SNAP_POSITION_OVER_LEFT_FIELD:
e.y -= HAH + 1;
break;
}
return e;
}
private int[] getPolygon(boolean border) {
Point e = getExtent();
int b = border ? 1 : 0;
boolean isRTL = (fPopup.getStyle() & SWT.RIGHT_TO_LEFT) != 0;
int ha1 = isRTL ? e.x - HAO : HAO + HAW;
int ha2 = isRTL ? e.x - HAO - HAW / 2 : HAO + HAW / 2;
int ha3 = isRTL ? e.x - HAO - HAW : HAO;
int[] poly;
switch (fSnapPosition) {
case SNAP_POSITION_OVER_LEFT_FIELD:
poly = new int[] { 0, 0, e.x - b, 0, e.x - b, e.y - b, ha1, e.y - b, ha2, e.y + HAH - b, ha3, e.y - b, 0,
e.y - b, 0, 0 };
break;
case SNAP_POSITION_UNDER_LEFT_FIELD:
poly = new int[] { 0, HAH, ha3 + b, HAH, ha2, b, ha1 - b, HAH, e.x - b, HAH, e.x - b, e.y + HAH - b, 0,
e.y + HAH - b, 0, HAH };
break;
default:
poly = new int[] { 0, 0, e.x - b, 0, e.x - b, e.y - b, 0, e.y - b, 0, 0 };
break;
}
return poly;
}
private void createContent(Composite parent) {
Display display = parent.getDisplay();
Color foreground = display.getSystemColor(SWT.COLOR_INFO_FOREGROUND);
Color background = display.getSystemColor(SWT.COLOR_INFO_BACKGROUND);
addMoveSupport(fPopup, parent);
StyledText hint = new StyledText(fPopup, SWT.READ_ONLY | SWT.SINGLE);
String enterKeyName = getEnterBinding();
String hintTemplate = "Enter new name, press {0} to refactor";
hint.setText(NLS.bind(hintTemplate, enterKeyName));
hint.setForeground(foreground);
hint.setStyleRange(new StyleRange(hintTemplate.indexOf("{0}"), enterKeyName.length(), null, null, SWT.BOLD)); //$NON-NLS-1$
hint.setEnabled(false); // text must not be selectable
addMoveSupport(fPopup, hint);
addViewMenu(parent);
recursiveSetBackgroundColor(parent, background);
}
private ToolBar addViewMenu(final Composite parent) {
fToolBar = new ToolBar(parent, SWT.FLAT);
final ToolItem menuButton = new ToolItem(fToolBar, SWT.PUSH, 0);
menuButton.setImage(YangUIImages.getImage(IYangUIConstants.IMG_LT_VIEW_MENU));
menuButton.setToolTipText("Menu");
fToolBar.addMouseListener(new MouseAdapter() {
@Override
public void mouseDown(MouseEvent e) {
showMenu(fToolBar);
}
});
menuButton.addSelectionListener(new SelectionAdapter() {
@Override
public void widgetSelected(SelectionEvent e) {
showMenu(fToolBar);
}
});
fToolBar.pack();
return fToolBar;
}
private void showMenu(ToolBar toolBar) {
Menu menu = getMenuManager().createContextMenu(toolBar);
menu.setLocation(toolBar.toDisplay(0, toolBar.getSize().y));
fIsMenuUp = true;
menu.setVisible(true);
}
private MenuManager getMenuManager() {
if (fMenuManager != null) {
return fMenuManager;
}
fMenuManager = new MenuManager();
fMenuManager.setRemoveAllWhenShown(true);
fMenuManager.addMenuListener(new IMenuListener2() {
@Override
public void menuAboutToHide(IMenuManager manager) {
fIsMenuUp = false;
}
@Override
public void menuAboutToShow(IMenuManager manager) {
boolean canRefactor = !renameLinkedMode.isOriginalName();
IAction refactorAction = new Action("Refactor") {
@Override
public void run() {
activateEditor();
renameLinkedMode.doRename(false);
}
};
refactorAction.setAccelerator(SWT.CR);
refactorAction.setEnabled(canRefactor);
manager.add(refactorAction);
IAction previewAction = new Action("Pre&view...") {
@Override
public void run() {
activateEditor();
renameLinkedMode.doRename(true);
}
};
previewAction.setAccelerator(SWT.CTRL | SWT.CR);
previewAction.setEnabled(canRefactor);
manager.add(previewAction);
IAction openDialogAction = new Action("&Open Rename Dialog..." + '\t' + fOpenDialogBinding) {
@Override
public void run() {
activateEditor();
renameLinkedMode.startFullDialog();
}
};
manager.add(openDialogAction);
manager.add(new Separator());
MenuManager subMenuManager = new MenuManager("&Snap To");
addMoveMenuItem(subMenuManager, SNAP_POSITION_UNDER_LEFT_FIELD, "&Under Left");
addMoveMenuItem(subMenuManager, SNAP_POSITION_UNDER_RIGHT_FIELD, "U&nder Right");
addMoveMenuItem(subMenuManager, SNAP_POSITION_OVER_LEFT_FIELD, "&Over Left");
addMoveMenuItem(subMenuManager, SNAP_POSITION_OVER_RIGHT_FIELD, "O&ver Right");
addMoveMenuItem(subMenuManager, SNAP_POSITION_LOWER_RIGHT, "&Bottom Right");
manager.add(subMenuManager);
}
});
return fMenuManager;
}
private void addMoveMenuItem(IMenuManager manager, final int snapPosition, String text) {
IAction action = new Action(text, IAction.AS_RADIO_BUTTON) {
@Override
public void run() {
fSnapPosition = snapPosition;
fSnapPositionChanged = true;
getDialogSettings().put(SNAP_POSITION_KEY, fSnapPosition);
updatePopupLocation(true);
activateEditor();
}
};
action.setChecked(fSnapPosition == snapPosition);
manager.add(action);
}
private static String getEnterBinding() {
return KeyStroke.getInstance(KeyLookupFactory.getDefault().formalKeyLookup(IKeyLookup.CR_NAME)).format();
}
private static String getOpenDialogBinding() {
IBindingService bindingService = (IBindingService) PlatformUI.getWorkbench().getAdapter(IBindingService.class);
if (bindingService == null) {
return ""; //$NON-NLS-1$
}
String binding = bindingService.getBestActiveBindingFormattedFor("com.cisco.yangide.ui.actions.Rename");
return binding == null ? "" : binding; //$NON-NLS-1$
}
private static void recursiveSetBackgroundColor(Control control, Color color) {
control.setBackground(color);
if (control instanceof Composite) {
Control[] children = ((Composite) control).getChildren();
for (int i = 0; i < children.length; i++) {
recursiveSetBackgroundColor(children[i], color);
}
}
}
public boolean ownsFocusShell() {
if (fIsMenuUp) {
return true;
}
if (fPopup == null || fPopup.isDisposed()) {
return false;
}
Shell activeShell = fPopup.getDisplay().getActiveShell();
if (fPopup == activeShell) {
return true;
}
return false;
}
private void activateEditor() {
editor.getSite().getShell().setActive();
}
@Override
public boolean requestWidgetToken(IWidgetTokenOwner owner) {
return false;
}
@Override
public boolean requestWidgetToken(IWidgetTokenOwner owner, int priority) {
return false;
}
@Override
public boolean setFocus(IWidgetTokenOwner owner) {
if (fToolBar != null && !fToolBar.isDisposed()) {
showMenu(fToolBar);
}
return true;
}
}