/*******************************************************************************
 * Copyright (c) 2002, 2005 GEBIT Gesellschaft fuer EDV-Beratung
 * und Informatik-Technologien mbH, 
 * Berlin, Duesseldorf, Frankfurt (Germany) 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:
 *     GEBIT Gesellschaft fuer EDV-Beratung und Informatik-Technologien mbH - initial API and implementation
 * 	   IBM Corporation - bug fixes
 *     John-Mason P. Shackelford - bug 40255
 *******************************************************************************/

package org.eclipse.ant.internal.ui.editor;

import java.util.ResourceBundle;

import org.eclipse.ant.internal.ui.editor.actions.FoldingActionGroup;
import org.eclipse.ant.internal.ui.editor.actions.OpenDeclarationAction;
import org.eclipse.ant.internal.ui.editor.actions.OpenExternalDocAction;
import org.eclipse.ant.internal.ui.editor.actions.ToggleAutoReconcileAction;
import org.eclipse.ant.internal.ui.editor.actions.ToggleMarkOccurrencesAction;
import org.eclipse.ant.internal.ui.editor.actions.TogglePresentationAction;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IWorkbenchActionConstants;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.editors.text.TextEditorActionContributor;
import org.eclipse.ui.texteditor.ITextEditor;
import org.eclipse.ui.texteditor.ITextEditorActionDefinitionIds;
import org.eclipse.ui.texteditor.RetargetTextEditorAction;

/**
 * Contributes interesting Ant Editor actions to the desktop's Edit menu and the toolbar.
 * 
 */
public class AntEditorActionContributor extends TextEditorActionContributor {

	private final static String TOGGLE_MARK_OCCURRENCES_ID= "org.eclipse.ant.ui.toggleMarkOccurrences"; //$NON-NLS-1$
	protected RetargetTextEditorAction fContentAssistProposal;
	protected RetargetTextEditorAction fContentFormat;
	private OpenDeclarationAction fOpenDeclarationAction;
	private TogglePresentationAction fTogglePresentation;
	private OpenExternalDocAction fOpenExternalDocAction;
	private ToggleMarkOccurrencesAction fToggleMarkOccurrencesAction;
    private ToggleAutoReconcileAction fToggleAutoReconcileAction;

	public AntEditorActionContributor() {
		super();
		ResourceBundle bundle = AntEditorMessages.getResourceBundle();
		fContentAssistProposal = new RetargetTextEditorAction(bundle, "ContentAssistProposal."); //$NON-NLS-1$
		fContentFormat = new RetargetTextEditorAction(bundle, "ContentFormat."); //$NON-NLS-1$
		fTogglePresentation= new TogglePresentationAction();
		fToggleMarkOccurrencesAction= new ToggleMarkOccurrencesAction();
        fToggleAutoReconcileAction= new ToggleAutoReconcileAction();
		
	}
	
	protected void initializeActions(AntEditor editor) {	 
		fOpenDeclarationAction= new OpenDeclarationAction(editor);
		fOpenExternalDocAction= new OpenExternalDocAction(editor);
	}
	
	private void doSetActiveEditor(IEditorPart part) {
		super.setActiveEditor(part);

		ITextEditor editor= null;
		if (part instanceof ITextEditor) {
			editor= (ITextEditor) part;
		}

		fContentAssistProposal.setAction(getAction(editor, "ContentAssistProposal")); //$NON-NLS-1$
		fContentFormat.setAction(getAction(editor, "ContentFormat")); //$NON-NLS-1$
		
		if (editor instanceof AntEditor) {
		    AntEditor antEditor= (AntEditor) part;
			if (fOpenDeclarationAction == null) {
				initializeActions(antEditor);
				contributeToMenu(getActionBars().getMenuManager());
			}
			
			FoldingActionGroup foldingActions= antEditor.getFoldingActionGroup();
			if (foldingActions != null) {
				foldingActions.updateActionBars();
			}
			if (fOpenDeclarationAction != null) {
				fOpenDeclarationAction.setEditor(antEditor);		
			}
			if (fOpenExternalDocAction != null) {
				fOpenExternalDocAction.setActiveEditor(null, antEditor);		
			}
		}
		
		if (fTogglePresentation != null) {
		    fTogglePresentation.setEditor(editor);
		}
		if (fToggleMarkOccurrencesAction != null) {
			fToggleMarkOccurrencesAction.setEditor(editor);
		}
        if (fToggleAutoReconcileAction != null) {
            fToggleAutoReconcileAction.setEditor(editor);
        }
	}
	
	/* (non-Javadoc)
	 * @see org.eclipse.ui.part.EditorActionBarContributor#contributeToMenu(org.eclipse.jface.action.IMenuManager)
	 */
	public void contributeToMenu(IMenuManager menu) {
		if (fOpenDeclarationAction == null) {
			return;
		}
		super.contributeToMenu(menu);
		
		IMenuManager navigateMenu= menu.findMenuUsingPath(IWorkbenchActionConstants.M_NAVIGATE);
		if (navigateMenu != null) {
			navigateMenu.appendToGroup(IWorkbenchActionConstants.OPEN_EXT, fOpenDeclarationAction);
			navigateMenu.appendToGroup(IWorkbenchActionConstants.OPEN_EXT, fOpenExternalDocAction);
			navigateMenu.setVisible(true);
		}
	}

    /* (non-Javadoc)
     * @see org.eclipse.ui.part.EditorActionBarContributor#init(org.eclipse.ui.IActionBars)
     */
    public void init(IActionBars bars) {
        super.init(bars);
        
        IMenuManager menuManager= bars.getMenuManager();
        IMenuManager editMenu= menuManager.findMenuUsingPath(IWorkbenchActionConstants.M_EDIT);
        if (editMenu != null) {
            editMenu.add(new Separator());
            editMenu.add(fContentAssistProposal);
            editMenu.add(fContentFormat);
        }
    }
    
	/* (non-Javadoc)
	 * @see org.eclipse.ui.IEditorActionBarContributor#setActiveEditor(org.eclipse.ui.IEditorPart)
	 */
	public void setActiveEditor(IEditorPart part) {
		doSetActiveEditor(part);
	}
	
	/* (non-Javadoc)
	 * @see org.eclipse.ui.IEditorActionBarContributor#dispose()
	 */
	public void dispose() {
		doSetActiveEditor(null);
		super.dispose();
	}
	
    /* (non-Javadoc)
     * @see org.eclipse.ui.IEditorActionBarContributor#init(org.eclipse.ui.IActionBars, org.eclipse.ui.IWorkbenchPage)
     */
    public void init(IActionBars bars, IWorkbenchPage page) {
        super.init(bars, page);
        bars.setGlobalActionHandler(ITextEditorActionDefinitionIds.TOGGLE_SHOW_SELECTED_ELEMENT_ONLY, fTogglePresentation);
		bars.setGlobalActionHandler(TOGGLE_MARK_OCCURRENCES_ID, fToggleMarkOccurrencesAction);
        bars.setGlobalActionHandler("org.eclipse.ant.ui.toggleAutoReconcile", fToggleAutoReconcileAction); //$NON-NLS-1$
    }
}