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.ldapbrowser.common.dialogs; import org.apache.directory.api.ldap.model.name.Dn; import org.apache.directory.studio.common.ui.widgets.BaseWidgetUtils; import org.apache.directory.studio.common.ui.widgets.WidgetModifyEvent; import org.apache.directory.studio.common.ui.widgets.WidgetModifyListener; import org.apache.directory.studio.ldapbrowser.common.BrowserCommonActivator; import org.apache.directory.studio.ldapbrowser.common.BrowserCommonConstants; import org.apache.directory.studio.ldapbrowser.common.widgets.search.EntryWidget; import org.apache.directory.studio.ldapbrowser.core.model.IBrowserConnection; import org.eclipse.jface.dialogs.Dialog; import org.eclipse.jface.dialogs.IDialogConstants; import org.eclipse.swt.SWT; import org.eclipse.swt.layout.GridData; import org.eclipse.swt.widgets.Composite; import org.eclipse.swt.widgets.Control; import org.eclipse.swt.widgets.Shell; /** * The DnDialog is used from the Dn value editor to edit and select a Dn. * * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> */ public class DnDialog extends Dialog { /** The title. */ private String title; /** The description. */ private String description; /** The entry widget. */ private EntryWidget entryWidget; /** The connection. */ private IBrowserConnection connection; /** The dn */ private Dn dn; /** * Creates a new instance of DnDialog. * * @param parentShell the parent shell * @param title the title of the dialog * @param description the description of the dialog * @param connection the connection used to browse the directory * @param dn the initial Dn, may be null */ public DnDialog(Shell parentShell, String title, String description, IBrowserConnection connection, Dn dn) { super(parentShell); super.setShellStyle(super.getShellStyle() | SWT.RESIZE); this.title = title; this.description = description; this.connection = connection; this.dn = dn; } /** * @see org.eclipse.jface.window.Window#configureShell(org.eclipse.swt.widgets.Shell) */ protected void configureShell(Shell shell) { super.configureShell(shell); shell.setText(title); shell.setImage(BrowserCommonActivator.getDefault().getImage(BrowserCommonConstants.IMG_DNEDITOR)); } /** * @see org.eclipse.jface.dialogs.Dialog#okPressed() */ protected void okPressed() { dn = entryWidget.getDn(); entryWidget.saveDialogSettings(); super.okPressed(); } /** * @see org.eclipse.jface.dialogs.Dialog#createButtonBar(org.eclipse.swt.widgets.Composite) */ protected Control createButtonBar(Composite parent) { Control control = super.createButtonBar(parent); updateWidgets(); return control; } /** * @see org.eclipse.jface.dialogs.Dialog#createDialogArea(org.eclipse.swt.widgets.Composite) */ protected Control createDialogArea(Composite parent) { Composite composite = (Composite) super.createDialogArea(parent); GridData gd = new GridData(GridData.FILL_BOTH); gd.widthHint = convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH) * 3 / 2; composite.setLayoutData(gd); if (description != null) { BaseWidgetUtils.createLabel(composite, description, 1); } Composite innerComposite = BaseWidgetUtils.createColumnContainer(composite, 2, 1); entryWidget = new EntryWidget(connection, dn); entryWidget.addWidgetModifyListener(new WidgetModifyListener() { public void widgetModified(WidgetModifyEvent event) { updateWidgets(); } }); entryWidget.createWidget(innerComposite); applyDialogFont(composite); return composite; } /** * Updates the widgets. */ private void updateWidgets() { if (getButton(IDialogConstants.OK_ID) != null) { getButton(IDialogConstants.OK_ID) .setEnabled(entryWidget.getDn() != null && !"".equals(entryWidget.getDn().toString())); //$NON-NLS-1$ } } /** * Gets the dn. * * @return the dn */ public Dn getDn() { return dn; } }