Mercurial > projects > dwt-win

annotate dwt/dnd/HTMLTransfer.d @ 212:ab60f3309436

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
reverted the char[] to String and use the an alias.
author Frank Benoit <benoit@tionex.de>
date Mon, 05 May 2008 00:12:38 +0200
parents 184ab53b7785
children 36f5cb12e1a2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
1 /*******************************************************************************
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
2 * Copyright (c) 2000, 2006 IBM Corporation and others.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
3 * All rights reserved. This program and the accompanying materials
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
4 * are made available under the terms of the Eclipse Public License v1.0
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
5 * which accompanies this distribution, and is available at
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
6 * http://www.eclipse.org/legal/epl-v10.html
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
7 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
8 * Contributors:
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
9 * IBM Corporation - initial API and implementation
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
10 * Port to the D programming language:
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
11 * Frank Benoit <benoit@tionex.de>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
12 *******************************************************************************/
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
13 module dwt.dnd.HTMLTransfer;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
14
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
15 import dwt.internal.ole.win32.COM;
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
16 import dwt.internal.ole.win32.OBJIDL;
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
17 import dwt.internal.win32.OS;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
18
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
19 import dwt.dnd.ByteArrayTransfer;
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
20 import dwt.dnd.TransferData;
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
21 import dwt.dnd.DND;
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
22
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
23 import dwt.dwthelper.utils;
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
24 static import tango.text.Text;
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
25 alias tango.text.Text.Text!(char) StringBuffer;
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
26
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
27 /**
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
28 * The class <code>HTMLTransfer</code> provides a platform specific mechanism
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
29 * for converting text in HTML format represented as a java <code>String</code>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
30 * to a platform specific representation of the data and vice versa. See
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
31 * <code>Transfer</code> for additional information.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
32 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
33 * <p>An example of a java <code>String</code> containing HTML text is shown
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
34 * below:</p>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
35 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
36 * <code><pre>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
37 * String htmlData = "<p>This is a paragraph of text.</p>";
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
38 * </code></pre>
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
39 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
40 public class HTMLTransfer : ByteArrayTransfer {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
41
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
42 static HTMLTransfer _instance;
212
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 197
diff changeset
43 static const String HTML_FORMAT = "HTML Format"; //$NON-NLS-1$
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
44 static const int HTML_FORMATID;
212
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 197
diff changeset
45 static const String NUMBER = "00000000"; //$NON-NLS-1$
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 197
diff changeset
46 static const String HEADER = "Version:0.9\r\nStartHTML:"~NUMBER~"\r\nEndHTML:"~NUMBER~"\r\nStartFragment:"~NUMBER~"\r\nEndFragment:"~NUMBER~"\r\n";
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 197
diff changeset
47 static const String PREFIX = "<html><body><!--StartFragment-->"; //$NON-NLS-1$
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 197
diff changeset
48 static const String SUFFIX = "<!--EndFragment--></body></html>"; //$NON-NLS-1$
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 197
diff changeset
49 static const String StartFragment = "StartFragment:"; //$NON-NLS-1$
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 197
diff changeset
50 static const String EndFragment = "EndFragment:"; //$NON-NLS-1$
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
51
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
52 static this(){
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
53 HTML_FORMATID = registerType(HTML_FORMAT);
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
54 }
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
55
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
56 private this() {}
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
57
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
58 /**
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
59 * Returns the singleton instance of the HTMLTransfer class.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
60 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
61 * @return the singleton instance of the HTMLTransfer class
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
62 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
63 public static HTMLTransfer getInstance () {
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
64 if( _instance is null ){
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
65 synchronized {
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
66 if( _instance is null ){
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
67 _instance = new HTMLTransfer();
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
68 }
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
69 }
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
70 }
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
71 return _instance;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
72 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
73
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
74 /**
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
75 * This implementation of <code>javaToNative</code> converts HTML-formatted text
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
76 * represented by a java <code>String</code> to a platform specific representation.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
77 * For additional information see <code>Transfer#javaToNative</code>.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
78 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
79 * @param object a java <code>String</code> containing HTML text
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
80 * @param transferData an empty <code>TransferData</code> object; this
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
81 * object will be filled in on return with the platform specific format of the data
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
82 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
83 public void javaToNative (Object object, TransferData transferData){
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
84 if (!checkHTML(object) || !isSupportedType(transferData)) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
85 DND.error(DND.ERROR_INVALID_DATA);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
86 }
212
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 197
diff changeset
87 String string = ( cast(ArrayWrapperString)object ).array;
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
88 int codePage = OS.GetACP();
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
89 int cchMultiByte = OS.WideCharToMultiByte(codePage, 0, StrToTCHARz(string), -1, null, 0, null, null);
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
90 if (cchMultiByte is 0) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
91 transferData.stgmedium = new STGMEDIUM();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
92 transferData.result = COM.DV_E_STGMEDIUM;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
93 return;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
94 }
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
95 int startHTML = HEADER.length;
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
96 int startFragment = startHTML + PREFIX.length;
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
97 int endFragment = startFragment + cchMultiByte - 1;
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
98 int endHTML = endFragment + SUFFIX.length;
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
99
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
100 StringBuffer buffer = new StringBuffer(HEADER);
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
101 int maxLength = NUMBER.length;
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
102 //startHTML
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
103 int start = buffer.toString().indexOf(NUMBER);
212
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 197
diff changeset
104 String temp = Integer.toString(startHTML);
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
105 buffer.select(start + maxLength-temp.length, temp.length);
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
106 buffer.replace(temp);
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
107 buffer.select();
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
108
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
109 //endHTML
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
110 start = buffer.toString().indexOf(NUMBER, start);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
111 temp = Integer.toString(endHTML);
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
112 buffer.select(start + maxLength-temp.length, temp.length);
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
113 buffer.replace( temp);
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
114 buffer.select();
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
115
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
116 //startFragment
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
117 start = buffer.toString().indexOf(NUMBER, start);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
118 temp = Integer.toString(startFragment);
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
119 buffer.select(start + maxLength-temp.length, temp.length);
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
120 buffer.replace(temp);
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
121 buffer.select();
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
122 //endFragment
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
123 start = buffer.toString().indexOf(NUMBER, start);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
124 temp = Integer.toString(endFragment);
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
125 buffer.select(start + maxLength-temp.length, temp.length);
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
126 buffer.replace(temp);
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
127 buffer.select();
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
128
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
129 buffer.append(PREFIX);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
130 buffer.append(string);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
131 buffer.append(SUFFIX);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
132
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
133 auto wstrz = StrToTCHARz(codePage,buffer.toString);
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
134 cchMultiByte = OS.WideCharToMultiByte(codePage, 0, wstrz, -1, null, 0, null, null);
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
135 auto lpMultiByteStr = cast(char*) OS.GlobalAlloc(OS.GMEM_FIXED | OS.GMEM_ZEROINIT, cchMultiByte);
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
136 OS.WideCharToMultiByte(codePage, 0, wstrz, -1, lpMultiByteStr, cchMultiByte, null, null);
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
137 transferData.stgmedium = new STGMEDIUM();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
138 transferData.stgmedium.tymed = COM.TYMED_HGLOBAL;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
139 transferData.stgmedium.unionField = lpMultiByteStr;
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
140 transferData.stgmedium.pUnkForRelease = null;
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
141 transferData.result = COM.S_OK;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
142 return;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
143 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
144
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
145 /**
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
146 * This implementation of <code>nativeToJava</code> converts a platform specific
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
147 * representation of HTML text to a java <code>String</code>.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
148 * For additional information see <code>Transfer#nativeToJava</code>.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
149 *
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
150 * @param transferData the platform specific representation of the data to be
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
151 * been converted
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
152 * @return a java <code>String</code> containing HTML text if the
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
153 * conversion was successful; otherwise null
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
154 */
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
155 public Object nativeToJava(TransferData transferData){
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
156 if (!isSupportedType(transferData) || transferData.pIDataObject is null) return null;
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
157 IDataObject data = transferData.pIDataObject;
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
158 data.AddRef();
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
159 STGMEDIUM* stgmedium = new STGMEDIUM();
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
160 FORMATETC* formatetc = transferData.formatetc;
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
161 stgmedium.tymed = COM.TYMED_HGLOBAL;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
162 transferData.result = data.GetData(formatetc, stgmedium);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
163 data.Release();
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
164 if (transferData.result !is COM.S_OK) return null;
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
165 auto hMem = stgmedium.unionField;
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
166
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
167 try {
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
168 auto lpMultiByteStr = cast(char*) OS.GlobalLock(hMem);
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
169 if (lpMultiByteStr is null) return null;
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
170 try {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
171 int codePage = OS.GetACP();
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
172 auto cchWideChar = OS.MultiByteToWideChar (codePage, OS.MB_PRECOMPOSED, lpMultiByteStr, -1, null, 0);
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
173 if (cchWideChar is 0) return null;
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
174 wchar[] lpWideCharStr = new wchar [cchWideChar - 1];
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
175 OS.MultiByteToWideChar (codePage, OS.MB_PRECOMPOSED, lpMultiByteStr, -1, lpWideCharStr.ptr, lpWideCharStr.length);
212
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 197
diff changeset
176 String string = WCHARzToStr(lpWideCharStr.ptr);
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
177 int fragmentStart = 0, fragmentEnd = 0;
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
178 int start = string.indexOf(StartFragment) + StartFragment.length;
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
179 int end = start + 1;
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
180 while (end < string.length) {
212
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 197
diff changeset
181 String s = string.substring(start, end);
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
182 try {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
183 fragmentStart = Integer.parseInt(s);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
184 end++;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
185 } catch (NumberFormatException e) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
186 break;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
187 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
188 }
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
189 start = string.indexOf(EndFragment) + EndFragment.length;
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
190 end = start + 1;
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
191 while (end < string.length) {
212
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 197
diff changeset
192 String s = string.substring(start, end);
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
193 try {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
194 fragmentEnd = Integer.parseInt(s);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
195 end++;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
196 } catch (NumberFormatException e) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
197 break;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
198 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
199 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
200 if (fragmentEnd <= fragmentStart || fragmentEnd > lpWideCharStr.length) return null;
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
201 /* TO DO:
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
202 * FragmentStart and FragmentEnd are offsets in original byte stream, not
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
203 * the wide char version of the byte stream.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
204 */
212
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 197
diff changeset
205 String s = string.substring(fragmentStart, fragmentEnd);
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
206 /*
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
207 * Firefox includes <!--StartFragment --> in the fragment, so remove it.
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
208 */
212
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 197
diff changeset
209 String foxStart = "<!--StartFragment -->\r\n"; //$NON-NLS-1$
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
210 int prefix = s.indexOf(foxStart);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
211 if (prefix !is -1) {
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
212 prefix += foxStart.length;
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
213 s = s.substring(prefix);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
214 }
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
215 return new ArrayWrapperString(s);
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
216 } finally {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
217 OS.GlobalUnlock(hMem);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
218 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
219 } finally {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
220 OS.GlobalFree(hMem);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
221 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
222 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
223 protected int[] getTypeIds(){
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
224 return [HTML_FORMATID];
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
225 }
212
ab60f3309436 reverted the char[] to String and use the an alias.
Frank Benoit <benoit@tionex.de>
parents: 197
diff changeset
226 protected String[] getTypeNames(){
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
227 return [HTML_FORMAT];
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
228 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
229 bool checkHTML(Object object) {
140
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
230 if( auto ws = cast(ArrayWrapperString)object ){
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
231 return ws.array.length > 0;
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
232 }
127a3e1fca05 HTMLTransfer
Frank Benoit <benoit@tionex.de>
parents: 135
diff changeset
233 return false;
135
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
234 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
235 protected bool validate(Object object) {
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
236 return checkHTML(object);
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
237 }
242e33c0e383 Added dnd source, ByteArrayTransfer,Clipboard completed
Frank Benoit <benoit@tionex.de>
parents:
diff changeset
238 }