/*******************************************************************************
* Copyright (c) 2015 Bruno Medeiros and other Contributors.
* 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:
* Bruno Medeiros - initial API and implementation
*******************************************************************************/
package melnorme.lang.ide.ui.editor;
import org.eclipse.core.commands.AbstractHandler;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IWorkbenchActionConstants;
import org.eclipse.ui.handlers.IHandlerActivation;
import org.eclipse.ui.texteditor.ITextEditor;
import org.eclipse.ui.texteditor.ITextEditorActionConstants;
import org.eclipse.ui.texteditor.ITextEditorActionDefinitionIds;
import melnorme.lang.ide.core.LangCore;
import melnorme.lang.ide.ui.EditorSettings_Actual;
import melnorme.lang.ide.ui.EditorSettings_Actual.EditorCommandIds;
import melnorme.lang.ide.ui.LangUIPlugin;
import melnorme.lang.ide.ui.LangUIPlugin_Actual;
import melnorme.lang.ide.ui.editor.EditorUtils.OpenNewEditorMode;
import melnorme.lang.ide.ui.editor.actions.AbstractEditorHandler;
import melnorme.lang.ide.ui.editor.actions.GoToMatchingBracketHandler;
import melnorme.lang.ide.ui.editor.actions.OpenQuickOutlineHandler;
import melnorme.lang.ide.ui.editor.actions.ToggleCommentHandler;
import melnorme.lang.ide.ui.utils.operations.AbstractEditorOperation2;
import melnorme.lang.ide.ui.utils.operations.BasicUIOperation;
import melnorme.lang.tooling.ast.SourceRange;
import melnorme.utilbox.collections.ArrayList2;
public abstract class LangEditorActionContributor extends LangEditorActionContributorHelper {
public static final String SOURCE_MENU_ID = LangUIPlugin.PLUGIN_ID + ".sourceMenu";
protected final ArrayList2<IHandlerActivation> handlerActivations = new ArrayList2<>();
public LangEditorActionContributor() {
super();
}
protected void activateHandler(String string, AbstractHandler handler) {
IHandlerActivation handlerActivation = getHandlerService_2().activateHandler(string, handler);
handlerActivations.add(handlerActivation);
}
@Override
public final void dispose() {
doDispose();
for (IHandlerActivation handlerActivation : handlerActivations) {
getHandlerService_2().deactivateHandler(handlerActivation);
}
super.dispose();
}
protected void doDispose() {
}
/* ----------------- Register handlers ----------------- */
@Override
public void init(IActionBars bars) {
super.init(bars);
// Register handlers active only when editor is active:
activateHandler(EditorCommandIds.OpenDef_ID, getHandler_OpenDefinition());
activateHandler(EditorCommandIds.GoToMatchingBracket, getHandler_GoToMatchingBracket());
activateHandler(EditorCommandIds.ToggleComment, getHandler_ToggleComment());
activateHandler(EditorCommandIds.QuickOutline, getHandler_QuickOutline());
activateHandler(EditorCommandIds.Format, getHandler_Format());
registerOtherEditorHandlers();
}
public AbstractEditorHandler getEditorHandler(IEditorOperationCreator editorOpCreator) {
return new AbstractEditorHandler(getPage()) {
@Override
protected BasicUIOperation createOperation(ITextEditor editor) {
return editorOpCreator.createOperation(editor);
}
};
}
public static interface IEditorOperationCreator {
BasicUIOperation createOperation(ITextEditor editor);
}
protected AbstractHandler getHandler_OpenDefinition() {
return getEditorHandler((editor) -> {
OpenNewEditorMode newEditorMode = OpenNewEditorMode.TRY_REUSING_EXISTING;
SourceRange selection = EditorUtils.getSelectionSR(editor);
return createOpenDefinitionOperation(editor, selection, newEditorMode);
});
}
protected AbstractHandler getHandler_GoToMatchingBracket() {
return new GoToMatchingBracketHandler(getPage());
}
protected AbstractHandler getHandler_ToggleComment() {
return new ToggleCommentHandler(getPage());
}
protected AbstractHandler getHandler_QuickOutline() {
return new OpenQuickOutlineHandler(getPage());
}
public AbstractEditorHandler getHandler_Format() {
return getEditorHandler(getOpCreator_Format());
}
protected abstract AbstractEditorOperation2<?> createOpenDefinitionOperation(ITextEditor editor, SourceRange range,
OpenNewEditorMode newEditorMode);
protected IEditorOperationCreator getOpCreator_Format() {
return LangUIPlugin_Actual::getFormatOperation;
}
protected abstract void registerOtherEditorHandlers();
/* ----------------- Menu / Toolbar contributions ----------------- */
@Override
public void contributeToMenu(IMenuManager menu) {
super.contributeToMenu(menu);
prepareEditMenu(menu);
prepareSourceMenu(menu);
prepareNavigateMenu(menu);
}
protected void prepareNavigateMenu(IMenuManager menu) {
IMenuManager navigateMenu = menu.findMenuUsingPath(IWorkbenchActionConstants.M_NAVIGATE);
if(navigateMenu != null) {
navigateMenu.appendToGroup(IWorkbenchActionConstants.SHOW_EXT, pushItem(EditorCommandIds.QuickOutline));
}
IMenuManager gotoMenu = menu.findMenuUsingPath(IWorkbenchActionConstants.M_NAVIGATE + "/goTo");
if(gotoMenu != null) {
gotoMenu.add(new Separator("additions2"));
gotoMenu.appendToGroup("additions2", pushItem(EditorCommandIds.GoToMatchingBracket));
}
}
protected void prepareEditMenu(IMenuManager menu) {
IMenuManager editMenu= menu.findMenuUsingPath(IWorkbenchActionConstants.M_EDIT);
if(editMenu != null) {
editMenu.appendToGroup(ITextEditorActionConstants.GROUP_ASSIST, pushItem(
ITextEditorActionDefinitionIds.CONTENT_ASSIST_PROPOSALS,
ITextEditorActionConstants.CONTENT_ASSIST));
editMenu.appendToGroup(ITextEditorActionConstants.GROUP_ASSIST, pushItem(
ITextEditorActionDefinitionIds.CONTENT_ASSIST_CONTEXT_INFORMATION,
ITextEditorActionConstants.CONTENT_ASSIST_CONTEXT_INFORMATION));
}
}
protected void prepareSourceMenu(IMenuManager menu) {
IMenuManager sourceMenu = menu.findMenuUsingPath(SOURCE_MENU_ID);
if(sourceMenu == null) {
// This structure should have been created declaratively by plugin.xml,
LangCore.logError("Source menu " + SOURCE_MENU_ID + " not created by plugin.xml!");
// We can create it programmatically, by other plugin.xml declarative menu contribution will
// fail to find the menu because it will be created too late.
sourceMenu = LangEditorContextMenuContributor.createSourceMenuSkeleton();
menu.insertAfter(IWorkbenchActionConstants.M_EDIT, sourceMenu);
}
contributeSourceMenu(sourceMenu);
}
protected void contributeSourceMenu(IMenuManager sourceMenu) {
EditorSettings_Actual.createCommandsContribHelper(getServiceLocator()).contributeSourceMenu(sourceMenu);
}
}