package net.sourceforge.phpeclipse.phpeditor;

/**********************************************************************
Copyright (c) 2000, 2002 IBM Corp. and others.
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 implementation
    Klaus Hartlage - www.eclipseproject.de
**********************************************************************/

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.ResourceBundle;

import net.sourceforge.phpdt.ui.IContextMenuConstants;
import net.sourceforge.phpdt.ui.actions.GotoMatchingBracketAction;
import net.sourceforge.phpdt.ui.actions.PHPdtActionConstants;
import net.sourceforge.phpeclipse.PHPeclipsePlugin;

import org.eclipse.core.resources.IFile;
import org.eclipse.jface.action.IAction;
import org.eclipse.jface.action.IMenuManager;
import org.eclipse.jface.action.IStatusLineManager;
import org.eclipse.jface.action.IToolBarManager;
import org.eclipse.jface.action.Separator;
import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.swt.SWT;
import org.eclipse.ui.IActionBars;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorPart;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.IWorkbenchActionConstants;
import org.eclipse.ui.IWorkbenchPage;
import org.eclipse.ui.actions.RetargetAction;
import org.eclipse.ui.editors.text.EncodingActionGroup;
import org.eclipse.ui.texteditor.AbstractTextEditor;
import org.eclipse.ui.texteditor.BasicTextEditorActionContributor;
import org.eclipse.ui.texteditor.ITextEditor;
import org.eclipse.ui.texteditor.RetargetTextEditorAction;
/**
 * Contributes interesting PHP actions to the desktop's Edit menu and the toolbar.
 */
public class PHPActionContributor extends BasicTextEditorActionContributor {

  protected RetargetTextEditorAction fContentAssistTip;
  // protected TextEditorAction fTogglePresentation;
  protected RetargetAction fRetargetContentAssist;

  protected RetargetTextEditorAction fContentAssist;
  private RetargetTextEditorAction fGotoMatchingBracket;
  private List fRetargetToolbarActions = new ArrayList();
  private List fPartListeners = new ArrayList();

  protected PHPParserAction fParserAction;
  protected ShowExternalPreviewAction fShowExternalPreviewAction;

  private EncodingActionGroup fEncodingActionGroup;
  /**
   * Default constructor.
   */
  public PHPActionContributor() {
    super();

    ResourceBundle b = PHPEditorMessages.getResourceBundle();

    fRetargetContentAssist = new RetargetAction(PHPdtActionConstants.CONTENT_ASSIST, PHPEditorMessages.getString("ContentAssistProposal.label")); //$NON-NLS-1$
    fRetargetContentAssist.setActionDefinitionId(PHPEditorActionDefinitionIds.CONTENT_ASSIST_PROPOSALS);
    markAsPartListener(fRetargetContentAssist);

    fContentAssist = new RetargetTextEditorAction(b, "ContentAssistProposal."); //$NON-NLS-1$
    fContentAssist.setActionDefinitionId(PHPEditorActionDefinitionIds.CONTENT_ASSIST_PROPOSALS);

    fGotoMatchingBracket = new RetargetTextEditorAction(b, "GotoMatchingBracket."); //$NON-NLS-1$
    fGotoMatchingBracket.setActionDefinitionId(PHPEditorActionDefinitionIds.GOTO_MATCHING_BRACKET);

    //	fContentAssist.setImageDescriptor(JavaPluginImages.DESC_CLCL_CODE_ASSIST);
    //	fContentAssist.setDisabledImageDescriptor(JavaPluginImages.DESC_DLCL_CODE_ASSIST);

    // fContentAssist = new RetargetTextEditorAction(PHPEditorMessages.getResourceBundle(), "ContentAssistProposal."); //$NON-NLS-1$
    fContentAssistTip = new RetargetTextEditorAction(PHPEditorMessages.getResourceBundle(), "ContentAssistTip."); //$NON-NLS-1$
    //  fTogglePresentation = new PresentationAction();

    //	character encoding
    fEncodingActionGroup = new EncodingActionGroup();

    fParserAction = PHPParserAction.getInstance();

    if (SWT.getPlatform().equals("win32")) {
      // ExternalPreview only available as ActiveX on win32 (Eclipse2.1)
      fShowExternalPreviewAction = ShowExternalPreviewAction.getInstance();
    }
  }

  protected final void markAsPartListener(RetargetAction action) {
    fPartListeners.add(action);
  }

  /*
   * @see EditorActionBarContributor#contributeToMenu(IMenuManager)
   */
  //  public void contributeToMenu(IMenuManager menu) {		
  //    super.contributeToMenu(menu);
  //    IMenuManager editMenu= menu.findMenuUsingPath(IWorkbenchActionConstants.M_EDIT);
  //    if (editMenu != null) {
  //      MenuManager structureSelection= new MenuManager(JavaEditorMessages.getString("ExpandSelectionMenu.label")); //$NON-NLS-1$
  //      structureSelection.add(fStructureSelectEnclosingAction);
  //      structureSelection.add(fStructureSelectNextAction);
  //      structureSelection.add(fStructureSelectPreviousAction);
  //      structureSelection.add(fStructureSelectHistoryAction);
  //      editMenu.appendToGroup(IContextMenuConstants.GROUP_OPEN, structureSelection);
  //      editMenu.appendToGroup(IContextMenuConstants.GROUP_OPEN, fGotoPreviousMemberAction);
  //      editMenu.appendToGroup(IContextMenuConstants.GROUP_OPEN, fGotoNextMemberAction);
  //      editMenu.appendToGroup(IContextMenuConstants.GROUP_OPEN, fGotoMatchingBracket);

  //      editMenu.appendToGroup(IContextMenuConstants.GROUP_GENERATE, fShowOutline);
  //    }
  //  }
  /*
   * @see EditorActionBarContributor#contributeToMenu(IMenuManager)
   */
  //  public void contributeToMenu(IMenuManager menu) {
  //		
  //	  super.contributeToMenu(menu);
  //		
  //	  IMenuManager editMenu= menu.findMenuUsingPath(IWorkbenchActionConstants.M_EDIT);
  //	  if (editMenu != null) {
  //		  editMenu.add(new Separator(IContextMenuConstants.GROUP_OPEN));
  //		  editMenu.add(new Separator(IContextMenuConstants.GROUP_GENERATE));
  //			
  //		  editMenu.appendToGroup(IContextMenuConstants.GROUP_GENERATE, fRetargetContentAssist);
  //	  }		
  //  }

  /*
  	 * @see org.eclipse.ui.part.EditorActionBarContributor#contributeToMenu(org.eclipse.jface.action.IMenuManager)
  	 */
  public void contributeToMenu(IMenuManager menu) {

    super.contributeToMenu(menu);

    IMenuManager editMenu = menu.findMenuUsingPath(IWorkbenchActionConstants.M_EDIT);
    if (editMenu != null) {
      editMenu.add(new Separator(IContextMenuConstants.GROUP_OPEN));
      editMenu.add(new Separator(IContextMenuConstants.GROUP_GENERATE));
      editMenu.add(new Separator(IContextMenuConstants.GROUP_ADDITIONS));

      //      editMenu.appendToGroup(
      //        IContextMenuConstants.GROUP_GENERATE,
      //        fRetargetContentAssist);

      //				MenuManager structureSelection= new MenuManager(JavaEditorMessages.getString("ExpandSelectionMenu.label"), "expandSelection"); //$NON-NLS-1$ //$NON-NLS-2$ 
      //				structureSelection.add(fStructureSelectEnclosingAction);
      //				structureSelection.add(fStructureSelectNextAction);
      //				structureSelection.add(fStructureSelectPreviousAction);
      //				structureSelection.add(fStructureSelectHistoryAction);
      //				editMenu.appendToGroup(IContextMenuConstants.GROUP_OPEN, structureSelection);

      //				editMenu.appendToGroup(IContextMenuConstants.GROUP_GENERATE, fRetargetShowJavaDoc);
    }

    //			IMenuManager navigateMenu= menu.findMenuUsingPath(IWorkbenchActionConstants.M_NAVIGATE);
    //			if (navigateMenu != null) {
    //				navigateMenu.appendToGroup(IWorkbenchActionConstants.SHOW_EXT, fShowOutline);
    //			}

    IMenuManager gotoMenu = menu.findMenuUsingPath("navigate/goTo"); //$NON-NLS-1$
    if (gotoMenu != null) {
      gotoMenu.add(new Separator("additions2")); //$NON-NLS-1$
      //				gotoMenu.appendToGroup("additions2", fGotoPreviousMemberAction); //$NON-NLS-1$
      //				gotoMenu.appendToGroup("additions2", fGotoNextMemberAction); //$NON-NLS-1$
      gotoMenu.appendToGroup("additions2", fGotoMatchingBracket); //$NON-NLS-1$
    }
  }
  /*
   * @see EditorActionBarContributor#contributeToToolBar(IToolBarManager)
   */
  public void contributeToToolBar(IToolBarManager tbm) {
    tbm.add(new Separator());
    Iterator e = fRetargetToolbarActions.iterator();
    while (e.hasNext())
      tbm.add((IAction) e.next());
  }

  /*
   * @see IEditorActionBarContributor#init(IActionBars, IWorkbenchPage)
   */
  public void init(IActionBars bars, IWorkbenchPage page) {
    Iterator e = fPartListeners.iterator();
    while (e.hasNext())
      page.addPartListener((RetargetAction) e.next());
    // character encoding
    fEncodingActionGroup.fillActionBars(bars);
    super.init(bars, page);
  }
  /*
   * @see IEditorActionBarContributor#init(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(fContentAssist);
      // editMenu.add(fGotoMatchingBracket);
      //   editMenu.add(fContentAssistTip);
    }

    bars.setGlobalActionHandler(PHPdtActionConstants.CONTENT_ASSIST, fContentAssist);
    //    IToolBarManager toolBarManager = bars.getToolBarManager();
    //    if (toolBarManager != null) {
    //      toolBarManager.add(new Separator());
    //      toolBarManager.add(fTogglePresentation);
    //    }
  }

  /*
   * @see IEditorActionBarContributor#setActiveEditor(IEditorPart)
   */
  public void setActiveEditor(IEditorPart part) {
    super.setActiveEditor(part);

    IActionBars bars = getActionBars();
    IStatusLineManager manager = bars.getStatusLineManager();
    manager.setMessage(null);
    manager.setErrorMessage(null);

    ITextEditor textEditor = null;
    if (part instanceof ITextEditor)
      textEditor = (ITextEditor) part;

    fContentAssist.setAction(getAction(textEditor, "ContentAssistProposal")); //$NON-NLS-1$
    fContentAssistTip.setAction(getAction(textEditor, "ContentAssistTip")); //$NON-NLS-1$
    fGotoMatchingBracket.setAction(getAction(textEditor, GotoMatchingBracketAction.GOTO_MATCHING_BRACKET));

    bars.setGlobalActionHandler(PHPdtActionConstants.SHIFT_RIGHT, getAction(textEditor, "ShiftRight")); //$NON-NLS-1$
    bars.setGlobalActionHandler(PHPdtActionConstants.SHIFT_LEFT, getAction(textEditor, "ShiftLeft")); //$NON-NLS-1$
    // character encoding
    fEncodingActionGroup.retarget(textEditor);

    bars.setGlobalActionHandler(PHPdtActionConstants.COMMENT, getAction(textEditor, "Comment"));
    bars.setGlobalActionHandler(PHPdtActionConstants.UNCOMMENT, getAction(textEditor, "Uncomment"));
    bars.setGlobalActionHandler(PHPdtActionConstants.FORMAT, getAction(textEditor, "Format"));

    if (part instanceof PHPEditor) {
      PHPEditor phpEditor = (PHPEditor) part;
      phpEditor.getActionGroup().fillActionBars(getActionBars());
    }
    //    if (part instanceof PHPEditor) {
    //      PHPEditor cuEditor = (PHPEditor) part;
    //      ActionGroup group = cuEditor.getActionGroup();
    //      if (group != null)
    //        group.fillActionBars(bars);
    //    }
    //    fTogglePresentation.setEditor(editor);
    //    fTogglePresentation.update();

    if (textEditor != null) {

      IFile file = null;
      IEditorInput editorInput = textEditor.getEditorInput();

      if (editorInput instanceof IFileEditorInput) {
        file = ((IFileEditorInput) editorInput).getFile();
      }

      PHPeclipsePlugin.getDefault().setLastEditorFile(file);
      fParserAction.setEditor(textEditor);
      fParserAction.update();
      if (SWT.getPlatform().equals("win32") && textEditor instanceof AbstractTextEditor) {
        fShowExternalPreviewAction.setEditor(textEditor);
        fShowExternalPreviewAction.update();
        IPreferenceStore store = PHPeclipsePlugin.getDefault().getPreferenceStore();
        if (store.getBoolean(PHPeclipsePlugin.SHOW_EXTERNAL_PREVIEW_PREF)) {
          IAction a = ShowExternalPreviewAction.getInstance();
          if (a != null)
            a.run();
        }
      }
    }
  }

  /*
   * @see IEditorActionBarContributor#dispose()
   */
  public void dispose() {
    Iterator e = fPartListeners.iterator();
    while (e.hasNext())
      getPage().removePartListener((RetargetAction) e.next());
    fPartListeners.clear();

    setActiveEditor(null);
    super.dispose();
  }
}