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comparison dwt/dnd/HTMLTransfer.d @ 246:fd9c62a2998e

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Updater SWT 3.4M7 to 3.4
author Frank Benoit <benoit@tionex.de>
date Tue, 01 Jul 2008 10:15:59 +0200
parents e2affbeb686d
children fbb9174f2a2c
comparison
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245:d8c3d4a4f2b0 246:fd9c62a2998e
1 /******************************************************************************* 1 /*******************************************************************************
2 * Copyright (c) 2000, 2006 IBM Corporation and others. 2 * Copyright (c) 2000, 2008 IBM Corporation and others.
3 * All rights reserved. This program and the accompanying materials 3 * All rights reserved. This program and the accompanying materials
4 * are made available under the terms of the Eclipse Public License v1.0 4 * are made available under the terms of the Eclipse Public License v1.0
5 * which accompanies this distribution, and is available at 5 * which accompanies this distribution, and is available at
6 * http://www.eclipse.org/legal/epl-v10.html 6 * http://www.eclipse.org/legal/epl-v10.html
7 * 7 *
25 alias tango.text.Text.Text!(char) StringBuffer; 25 alias tango.text.Text.Text!(char) StringBuffer;
26 26
27 /** 27 /**
28 * The class <code>HTMLTransfer</code> provides a platform specific mechanism 28 * The class <code>HTMLTransfer</code> provides a platform specific mechanism
29 * for converting text in HTML format represented as a java <code>String</code> 29 * for converting text in HTML format represented as a java <code>String</code>
30 * to a platform specific representation of the data and vice versa. See 30 * to a platform specific representation of the data and vice versa.
31 * <code>Transfer</code> for additional information.
32 * 31 *
33 * <p>An example of a java <code>String</code> containing HTML text is shown 32 * <p>An example of a java <code>String</code> containing HTML text is shown
34 * below:</p> 33 * below:</p>
35 * 34 *
36 * <code><pre> 35 * <code><pre>
37 * String htmlData = "<p>This is a paragraph of text.</p>"; 36 * String htmlData = "<p>This is a paragraph of text.</p>";
38 * </code></pre> 37 * </code></pre>
38 *
39 * @see Transfer
39 */ 40 */
40 public class HTMLTransfer : ByteArrayTransfer { 41 public class HTMLTransfer : ByteArrayTransfer {
41 42
42 static HTMLTransfer _instance; 43 static HTMLTransfer _instance;
43 static const String HTML_FORMAT = "HTML Format"; //$NON-NLS-1$ 44 static const String HTML_FORMAT = "HTML Format"; //$NON-NLS-1$
72 } 73 }
73 74
74 /** 75 /**
75 * This implementation of <code>javaToNative</code> converts HTML-formatted text 76 * This implementation of <code>javaToNative</code> converts HTML-formatted text
76 * represented by a java <code>String</code> to a platform specific representation. 77 * represented by a java <code>String</code> to a platform specific representation.
77 * For additional information see <code>Transfer#javaToNative</code>.
78 * 78 *
79 * @param object a java <code>String</code> containing HTML text 79 * @param object a java <code>String</code> containing HTML text
80 * @param transferData an empty <code>TransferData</code> object; this 80 * @param transferData an empty <code>TransferData</code> object that will
81 * object will be filled in on return with the platform specific format of the data 81 * be filled in on return with the platform specific format of the data
82 *
83 * @see Transfer#nativeToJava
82 */ 84 */
83 public void javaToNative (Object object, TransferData transferData){ 85 public void javaToNative (Object object, TransferData transferData){
84 if (!checkHTML(object) || !isSupportedType(transferData)) { 86 if (!checkHTML(object) || !isSupportedType(transferData)) {
85 DND.error(DND.ERROR_INVALID_DATA); 87 DND.error(DND.ERROR_INVALID_DATA);
86 } 88 }
143 } 145 }
144 146
145 /** 147 /**
146 * This implementation of <code>nativeToJava</code> converts a platform specific 148 * This implementation of <code>nativeToJava</code> converts a platform specific
147 * representation of HTML text to a java <code>String</code>. 149 * representation of HTML text to a java <code>String</code>.
148 * For additional information see <code>Transfer#nativeToJava</code>. 150 *
149 * 151 * @param transferData the platform specific representation of the data to be converted
150 * @param transferData the platform specific representation of the data to be 152 * @return a java <code>String</code> containing HTML text if the conversion was successful;
151 * been converted 153 * otherwise null
152 * @return a java <code>String</code> containing HTML text if the 154 *
153 * conversion was successful; otherwise null 155 * @see Transfer#javaToNative
154 */ 156 */
155 public Object nativeToJava(TransferData transferData){ 157 public Object nativeToJava(TransferData transferData){
156 if (!isSupportedType(transferData) || transferData.pIDataObject is null) return null; 158 if (!isSupportedType(transferData) || transferData.pIDataObject is null) return null;
157 IDataObject data = transferData.pIDataObject; 159 IDataObject data = transferData.pIDataObject;
158 data.AddRef(); 160 data.AddRef();