Java tutorial
/* * @(#)MultiPageEditorContributor.java * * Copyright (c) appNativa. All rights reserved. * * Use is subject to license terms. */ package com.appnativa.studio.editors; import org.eclipse.jface.action.Action; import org.eclipse.jface.action.IAction; import org.eclipse.jface.action.IMenuManager; import org.eclipse.jface.action.IToolBarManager; import org.eclipse.jface.action.MenuManager; import org.eclipse.jface.action.Separator; import org.eclipse.jface.resource.ImageDescriptor; import org.eclipse.swt.widgets.Display; import org.eclipse.ui.IActionBars; import org.eclipse.ui.IEditorPart; import org.eclipse.ui.IWorkbenchActionConstants; import org.eclipse.ui.actions.ActionFactory; import org.eclipse.ui.ide.IDEActionFactory; import org.eclipse.ui.part.MultiPageEditorActionBarContributor; import org.eclipse.ui.texteditor.ITextEditor; import org.eclipse.ui.texteditor.ITextEditorActionConstants; import com.appnativa.studio.Studio; /** * Manages the installation/deinstallation of global actions for multi-page editors. * Responsible for the redirection of global actions to the active editor. * Multi-page contributor replaces the contributors for the individual editors in the multi-page editor. */ public class MultiPageEditorContributor extends MultiPageEditorActionBarContributor { private IEditorPart activeEditorPart; private Action newProject; private Action newLayout; /** * Creates a multi-page contributor. */ public MultiPageEditorContributor() { super(); createActions(); } public void contributeToMenu(IMenuManager manager) { IMenuManager menu = new MenuManager("appNativa"); manager.prependToGroup(IWorkbenchActionConstants.MB_ADDITIONS, menu); menu.add(newProject); menu.add(newLayout); } public void contributeToToolBar(IToolBarManager manager) { manager.add(new Separator()); manager.add(newProject); manager.add(newLayout); } public void setActivePage(IEditorPart part) { if (activeEditorPart == part) { return; } activeEditorPart = part; IActionBars actionBars = getActionBars(); if (actionBars != null) { ITextEditor editor = (part instanceof ITextEditor) ? (ITextEditor) part : null; actionBars.setGlobalActionHandler(ActionFactory.DELETE.getId(), getAction(editor, ITextEditorActionConstants.DELETE)); actionBars.setGlobalActionHandler(ActionFactory.UNDO.getId(), getAction(editor, ITextEditorActionConstants.UNDO)); actionBars.setGlobalActionHandler(ActionFactory.REDO.getId(), getAction(editor, ITextEditorActionConstants.REDO)); actionBars.setGlobalActionHandler(ActionFactory.CUT.getId(), getAction(editor, ITextEditorActionConstants.CUT)); actionBars.setGlobalActionHandler(ActionFactory.COPY.getId(), getAction(editor, ITextEditorActionConstants.COPY)); actionBars.setGlobalActionHandler(ActionFactory.PASTE.getId(), getAction(editor, ITextEditorActionConstants.PASTE)); actionBars.setGlobalActionHandler(ActionFactory.SELECT_ALL.getId(), getAction(editor, ITextEditorActionConstants.SELECT_ALL)); actionBars.setGlobalActionHandler(ActionFactory.FIND.getId(), getAction(editor, ITextEditorActionConstants.FIND)); actionBars.setGlobalActionHandler(IDEActionFactory.BOOKMARK.getId(), getAction(editor, IDEActionFactory.BOOKMARK.getId())); actionBars.updateActionBars(); } } /** * Returns the action registed with the given text editor. * @return IAction or null if editor is null. */ protected IAction getAction(ITextEditor editor, String actionID) { return ((editor == null) ? null : editor.getAction(actionID)); } /* * (non-JavaDoc) * Method declared in AbstractMultiPageEditorActionBarContributor. */ private void createActions() { newProject = new Action() { public void run() { Studio.openWizard("com.appnativa.studio.wizards.NewProject", Display.getDefault().getActiveShell()); } }; newProject.setText(Studio.getResourceAsString("Studio.text.newProject")); newProject.setToolTipText(Studio.getResourceAsString("Studio.text.newProject")); newProject.setImageDescriptor( ImageDescriptor.createFromImage(Studio.getResourceAsIcon("Studio.icon.projects.project"))); newLayout = new Action() { public void run() { Studio.openWizard("com.appnativa.studio.wizards.NewLayout", Display.getDefault().getActiveShell()); } }; newLayout.setText(Studio.getResourceAsString("Studio.text.newLayout")); newLayout.setToolTipText(Studio.getResourceAsString("Studio.text.newLayout")); newLayout.setImageDescriptor( ImageDescriptor.createFromImage(Studio.getResourceAsIcon("Studio.icon.projects.rml"))); } }