Mercurial > projects > dwt-mac

annotate dwt/dnd/TextTransfer.d @ 156:969e7de37c3d default tip

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fixes to get dwt to work with dmd and ldc
author Jacob Carlborg <doob@me.com>
date Wed, 08 Jul 2009 21:56:44 +0200
parents a2d82e6fd054
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
1 /*******************************************************************************
45
d8635bb48c7c Merge with SWT 3.5
Jacob Carlborg <doob@me.com>
parents: 9
diff changeset
2 * Copyright (c) 2000, 2008 IBM Corporation and others.
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
3 * All rights reserved. This program and the accompanying materials
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
4 * are made available under the terms of the Eclipse Public License v1.0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
5 * which accompanies this distribution, and is available at
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
6 * http://www.eclipse.org/legal/epl-v10.html
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
7 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
8 * Contributors:
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
9 * IBM Corporation - initial API and implementation
110
2fb76eb49f04 Ported dwt.dnd.TextTransfer
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
10 *
2fb76eb49f04 Ported dwt.dnd.TextTransfer
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
11 * Port to the D programming language:
2fb76eb49f04 Ported dwt.dnd.TextTransfer
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
12 * Jacob Carlborg <doob@me.com>
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
13 *******************************************************************************/
45
d8635bb48c7c Merge with SWT 3.5
Jacob Carlborg <doob@me.com>
parents: 9
diff changeset
14 module dwt.dnd.TextTransfer;
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
15
45
d8635bb48c7c Merge with SWT 3.5
Jacob Carlborg <doob@me.com>
parents: 9
diff changeset
16 import dwt.dwthelper.utils;
d8635bb48c7c Merge with SWT 3.5
Jacob Carlborg <doob@me.com>
parents: 9
diff changeset
17
d8635bb48c7c Merge with SWT 3.5
Jacob Carlborg <doob@me.com>
parents: 9
diff changeset
18 import dwt.internal.cocoa.NSString;
d8635bb48c7c Merge with SWT 3.5
Jacob Carlborg <doob@me.com>
parents: 9
diff changeset
19 import dwt.internal.cocoa.OS;
110
2fb76eb49f04 Ported dwt.dnd.TextTransfer
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
20
2fb76eb49f04 Ported dwt.dnd.TextTransfer
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
21 import dwt.dnd.ByteArrayTransfer;
2fb76eb49f04 Ported dwt.dnd.TextTransfer
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
22 import dwt.dnd.DND;
2fb76eb49f04 Ported dwt.dnd.TextTransfer
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
23 import dwt.dnd.TransferData;
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
24
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
25 /**
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
26 * The class <code>TextTransfer</code> provides a platform specific mechanism
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
27 * for converting plain text represented as a java <code>String</code>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
28 * to a platform specific representation of the data and vice versa.
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
29 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
30 * <p>An example of a java <code>String</code> containing plain text is shown
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
31 * below:</p>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
32 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
33 * <code><pre>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
34 * String textData = "Hello World";
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
35 * </code></pre>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
36 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
37 * @see Transfer
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
38 */
110
2fb76eb49f04 Ported dwt.dnd.TextTransfer
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
39 public class TextTransfer : ByteArrayTransfer {
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
40
110
2fb76eb49f04 Ported dwt.dnd.TextTransfer
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
41 static TextTransfer _instance;
2fb76eb49f04 Ported dwt.dnd.TextTransfer
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
42
2fb76eb49f04 Ported dwt.dnd.TextTransfer
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
43 static const String ID_NAME;
2fb76eb49f04 Ported dwt.dnd.TextTransfer
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
44 static const int ID;
45
d8635bb48c7c Merge with SWT 3.5
Jacob Carlborg <doob@me.com>
parents: 9
diff changeset
45
110
2fb76eb49f04 Ported dwt.dnd.TextTransfer
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
46 static this ()
2fb76eb49f04 Ported dwt.dnd.TextTransfer
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
47 {
2fb76eb49f04 Ported dwt.dnd.TextTransfer
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
48 _instance = new TextTransfer();
2fb76eb49f04 Ported dwt.dnd.TextTransfer
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
49 ID_NAME = OS.NSStringPboardType.getString();
2fb76eb49f04 Ported dwt.dnd.TextTransfer
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
50 ID = registerType(ID_NAME);
2fb76eb49f04 Ported dwt.dnd.TextTransfer
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
51 }
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
52
110
2fb76eb49f04 Ported dwt.dnd.TextTransfer
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
53 this() {}
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
54
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
55 /**
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
56 * Returns the singleton instance of the TextTransfer class.
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
57 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
58 * @return the singleton instance of the TextTransfer class
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
59 */
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
60 public static TextTransfer getInstance () {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
61 return _instance;
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
62 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
63
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
64 /**
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
65 * This implementation of <code>javaToNative</code> converts plain text
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
66 * represented by a java <code>String</code> to a platform specific representation.
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
67 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
68 * @param object a java <code>String</code> containing text
45
d8635bb48c7c Merge with SWT 3.5
Jacob Carlborg <doob@me.com>
parents: 9
diff changeset
69 * @param transferData an empty <code>TransferData</code> object that will
d8635bb48c7c Merge with SWT 3.5
Jacob Carlborg <doob@me.com>
parents: 9
diff changeset
70 * be filled in on return with the platform specific format of the data
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
71 *
45
d8635bb48c7c Merge with SWT 3.5
Jacob Carlborg <doob@me.com>
parents: 9
diff changeset
72 * @see Transfer#nativeToJava
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
73 */
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
74 public void javaToNative (Object object, TransferData transferData) {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
75 if (!checkText(object) || !isSupportedType(transferData)) {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
76 DND.error(DND.ERROR_INVALID_DATA);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
77 }
110
2fb76eb49f04 Ported dwt.dnd.TextTransfer
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
78 transferData.data = NSString.stringWith((cast(ArrayWrapperString) object).array);
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
79 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
80
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
81 /**
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
82 * This implementation of <code>nativeToJava</code> converts a platform specific
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
83 * representation of plain text to a java <code>String</code>.
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
84 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
85 * @param transferData the platform specific representation of the data to be converted
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
86 * @return a java <code>String</code> containing text if the conversion was successful; otherwise null
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
87 *
45
d8635bb48c7c Merge with SWT 3.5
Jacob Carlborg <doob@me.com>
parents: 9
diff changeset
88 * @see Transfer#javaToNative
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
89 */
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
90 public Object nativeToJava(TransferData transferData){
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
91 if (!isSupportedType(transferData) || transferData.data is null) return null;
110
2fb76eb49f04 Ported dwt.dnd.TextTransfer
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
92 NSString string = cast(NSString) transferData.data;
115
a2d82e6fd054 Ported dwt.dnd
Jacob Carlborg <doob@me.com>
parents: 110
diff changeset
93 return new ArrayWrapperString(string.getString());
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
94 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
95
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
96 protected int[] getTypeIds() {
110
2fb76eb49f04 Ported dwt.dnd.TextTransfer
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
97 return [ID];
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
98 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
99
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
100 protected String[] getTypeNames() {
110
2fb76eb49f04 Ported dwt.dnd.TextTransfer
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
101 return [ID_NAME];
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
102 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
103
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
104 bool checkText(Object object) {
110
2fb76eb49f04 Ported dwt.dnd.TextTransfer
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
105 return (object !is null && cast(ArrayWrapperString) object && (cast(ArrayWrapperString) object).array.length() > 0);
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
106 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
107 protected bool validate(Object object) {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
108 return checkText(object);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
109 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
110 }