Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. * */ package org.apache.directory.studio.ldifeditor.dialogs; import org.apache.directory.api.ldap.model.exception.LdapInvalidDnException; import org.apache.directory.studio.common.ui.widgets.BaseWidgetUtils; import org.apache.directory.studio.ldapbrowser.common.BrowserCommonConstants; import org.apache.directory.studio.ldapbrowser.common.widgets.entryeditor.EntryEditorWidget; import org.apache.directory.studio.ldapbrowser.common.widgets.entryeditor.EntryEditorWidgetActionGroup; import org.apache.directory.studio.ldapbrowser.common.widgets.entryeditor.EntryEditorWidgetActionGroupWithAttribute; import org.apache.directory.studio.ldapbrowser.common.widgets.entryeditor.EntryEditorWidgetConfiguration; import org.apache.directory.studio.ldapbrowser.common.widgets.entryeditor.EntryEditorWidgetUniversalListener; import org.apache.directory.studio.ldapbrowser.core.model.IBrowserConnection; import org.apache.directory.studio.ldapbrowser.core.model.IEntry; import org.apache.directory.studio.ldapbrowser.core.model.impl.DummyConnection; import org.apache.directory.studio.ldapbrowser.core.model.schema.Schema; import org.apache.directory.studio.ldapbrowser.core.utils.ModelConverter; import org.apache.directory.studio.ldifeditor.LdifEditorActivator; import org.apache.directory.studio.ldifeditor.LdifEditorConstants; import org.apache.directory.studio.ldifparser.model.container.LdifChangeAddRecord; import org.apache.directory.studio.ldifparser.model.container.LdifContentRecord; import org.apache.directory.studio.ldifparser.model.container.LdifRecord; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.jface.viewers.ISelectionChangedListener; import org.eclipse.jface.viewers.SelectionChangedEvent; import org.eclipse.swt.SWT; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Shell; import org.eclipse.ui.PlatformUI; import org.eclipse.ui.contexts.IContextActivation; import org.eclipse.ui.contexts.IContextService; public class LdifEntryEditorDialog extends Dialog { public static final String DIALOG_TITLE = Messages.getString("LdifEntryEditorDialog.LDIFRecordEditor"); //$NON-NLS-1$ public static final int MAX_WIDTH = 450; public static final int MAX_HEIGHT = 250; private IBrowserConnection browserConnection; private boolean originalReadOnlyFlag; private LdifRecord ldifRecord; private IEntry entry; private EntryEditorWidgetConfiguration configuration; private EntryEditorWidgetActionGroup actionGroup; private EntryEditorWidget mainWidget; private EntryEditorWidgetUniversalListener universalListener; /** Token used to activate and deactivate shortcuts in the editor */ private IContextActivation contextActivation; public LdifEntryEditorDialog(Shell parentShell, IBrowserConnection browserConnection, LdifContentRecord ldifRecord) { this(parentShell, browserConnection, ldifRecord, null); } public LdifEntryEditorDialog(Shell parentShell, IBrowserConnection browserConnection, LdifChangeAddRecord ldifRecord) { this(parentShell, browserConnection, ldifRecord, null); } private LdifEntryEditorDialog(Shell parentShell, IBrowserConnection browserConnection, LdifRecord ldifRecord, String s) { super(parentShell); setShellStyle(getShellStyle() | SWT.RESIZE); this.ldifRecord = ldifRecord; this.browserConnection = browserConnection != null ? browserConnection : new DummyConnection(Schema.DEFAULT_SCHEMA); try { if (ldifRecord instanceof LdifContentRecord) { entry = ModelConverter.ldifContentRecordToEntry((LdifContentRecord) this.ldifRecord, this.browserConnection); } else if (ldifRecord instanceof LdifChangeAddRecord) { entry = ModelConverter.ldifChangeAddRecordToEntry((LdifChangeAddRecord) this.ldifRecord, this.browserConnection); } } catch (LdapInvalidDnException e) { entry = null; } } protected void configureShell(Shell shell) { super.configureShell(shell); shell.setText(DIALOG_TITLE); shell.setImage(LdifEditorActivator.getDefault().getImage(LdifEditorConstants.IMG_BROWSER_LDIFEDITOR)); } protected void createButtonsForButtonBar(Composite parent) { createButton(parent, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, false); if (entry != null) { createButton(parent, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false); } getShell().update(); getShell().layout(true, true); } protected void buttonPressed(int buttonId) { if (IDialogConstants.OK_ID == buttonId && entry != null) { if (this.ldifRecord instanceof LdifContentRecord) { this.ldifRecord = ModelConverter.entryToLdifContentRecord(entry); } else if (this.ldifRecord instanceof LdifChangeAddRecord) { this.ldifRecord = ModelConverter.entryToLdifChangeAddRecord(entry); } } super.buttonPressed(buttonId); } public void create() { super.create(); if (browserConnection.getConnection() != null) { originalReadOnlyFlag = browserConnection.getConnection().isReadOnly(); browserConnection.getConnection().setReadOnly(true); } } public boolean close() { boolean returnValue = super.close(); if (returnValue) { this.dispose(); if (browserConnection.getConnection() != null) { browserConnection.getConnection().setReadOnly(originalReadOnlyFlag); } } return returnValue; } public void dispose() { if (this.configuration != null) { this.universalListener.dispose(); this.universalListener = null; this.mainWidget.dispose(); this.mainWidget = null; this.actionGroup.deactivateGlobalActionHandlers(); this.actionGroup.dispose(); this.actionGroup = null; this.configuration.dispose(); this.configuration = null; if (contextActivation != null) { IContextService contextService = (IContextService) PlatformUI.getWorkbench() .getAdapter(IContextService.class); contextService.deactivateContext(contextActivation); contextActivation = null; } } } protected Control createDialogArea(Composite parent) { Composite composite = (Composite) super.createDialogArea(parent); if (entry == null) { String message = Messages.getString("LdifEntryEditorDialog.InvalidDnCantEditEntry"); //$NON-NLS-1$ BaseWidgetUtils.createLabel(composite, message, 1); } else { // create configuration configuration = new EntryEditorWidgetConfiguration(); // create main widget mainWidget = new EntryEditorWidget(configuration); mainWidget.createWidget(composite); mainWidget.getViewer().getTree().setFocus(); // create actions actionGroup = new EntryEditorWidgetActionGroupWithAttribute(mainWidget, configuration); actionGroup.fillToolBar(mainWidget.getToolBarManager()); actionGroup.fillMenu(mainWidget.getMenuManager()); actionGroup.fillContextMenu(mainWidget.getContextMenuManager()); IContextService contextService = (IContextService) PlatformUI.getWorkbench() .getAdapter(IContextService.class); contextActivation = contextService.activateContext(BrowserCommonConstants.CONTEXT_DIALOGS); actionGroup.activateGlobalActionHandlers(); // hack to activate the action handlers when changing the selection mainWidget.getViewer().addSelectionChangedListener(new ISelectionChangedListener() { public void selectionChanged(SelectionChangedEvent event) { actionGroup.deactivateGlobalActionHandlers(); actionGroup.activateGlobalActionHandlers(); } }); // create the listener universalListener = new EntryEditorWidgetUniversalListener(mainWidget.getViewer(), configuration, actionGroup, actionGroup.getOpenDefaultEditorAction()); universalListener.setInput(entry); } applyDialogFont(composite); return composite; } public LdifRecord getLdifRecord() { return ldifRecord; } }