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comparison dwt/dnd/URLTransfer.d @ 114:d0d0b721dbcc

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Ported dwt.dnd.URLTransfer
author Jacob Carlborg <doob@me.com>
date Wed, 31 Dec 2008 15:17:35 +0100
parents d8635bb48c7c
children 2e671fa40eec
comparison
equal deleted inserted replaced
113:2d6116ea306e 114:d0d0b721dbcc
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 *
8 * Contributors: 8 * Contributors:
9 * IBM Corporation - initial API and implementation 9 * IBM Corporation - initial API and implementation
10 *
11 * Port to the D programming language:
12 * Jacob Carlborg <doob@me.com>
10 *******************************************************************************/ 13 *******************************************************************************/
11 module dwt.dnd; 14 module dwt.dnd.URLTransfer;
15
16 import dwt.dwthelper.utils;
12 17
13 import dwt.internal.cocoa.NSString; 18 import dwt.internal.cocoa.NSString;
14 import dwt.internal.cocoa.NSURL; 19 import dwt.internal.cocoa.NSURL;
15 import dwt.internal.cocoa.OS.URLTransfer; 20 import dwt.internal.cocoa.OS;
21
22 import dwt.dnd.ByteArrayTransfer;
23 import dwt.dnd.DND;
24 import dwt.dnd.TransferData;
16 25
17 /** 26 /**
18
19 import dwt.dwthelper.utils;
20 * The class <code>URLTransfer</code> provides a platform specific mechanism 27 * The class <code>URLTransfer</code> provides a platform specific mechanism
21 * for converting text in URL format represented as a java <code>String</code> 28 * for converting text in URL format represented as a java <code>String</code>
22 * to a platform specific representation of the data and vice versa. The string 29 * to a platform specific representation of the data and vice versa. The string
23 * must contain a fully specified url. 30 * must contain a fully specified url.
24 * 31 *
28 * String url = "http://www.eclipse.org"; 35 * String url = "http://www.eclipse.org";
29 * </code></pre> 36 * </code></pre>
30 * 37 *
31 * @see Transfer 38 * @see Transfer
32 */ 39 */
33 public class URLTransfer extends ByteArrayTransfer { 40 public class URLTransfer : ByteArrayTransfer {
34 41
35 static URLTransfer _instance = new URLTransfer(); 42 static URLTransfer _instance;
36 static final String URL = OS.NSURLPboardType.getString(); 43 static final String URL;
37 static final int URL_ID = registerType(URL); 44 static final int URL_ID;
45
46 static this ()
47 {
48 _instance = new URLTransfer();
49 URL = OS.NSURLPboardType.getString();
50 URL_ID = registerType(URL);
51 }
38 52
39 private URLTransfer() {} 53 private this() {}
40 54
41 /** 55 /**
42 * Returns the singleton instance of the URLTransfer class. 56 * Returns the singleton instance of the URLTransfer class.
43 * 57 *
44 * @return the singleton instance of the URLTransfer class 58 * @return the singleton instance of the URLTransfer class
45 */ 59 */
46 public static URLTransfer getInstance () { 60 public static URLTransfer getInstance () {
47 return _instance; 61 return _instance;
48 } 62 }
49 63
50 /** 64 /**
51 * This implementation of <code>javaToNative</code> converts a URL 65 * This implementation of <code>javaToNative</code> converts a URL
52 * represented by a java <code>String</code> to a platform specific representation. 66 * represented by a java <code>String</code> to a platform specific representation.
56 * be filled in on return with the platform specific format of the data 70 * be filled in on return with the platform specific format of the data
57 * 71 *
58 * @see Transfer#nativeToJava 72 * @see Transfer#nativeToJava
59 */ 73 */
60 public void javaToNative (Object object, TransferData transferData){ 74 public void javaToNative (Object object, TransferData transferData){
61 if (!checkURL(object) || !isSupportedType(transferData)) { 75 if (!checkURL(object) || !isSupportedType(transferData)) {
62 DND.error(DND.ERROR_INVALID_DATA); 76 DND.error(DND.ERROR_INVALID_DATA);
63 } 77 }
64 String url = (String)object; 78 String url = (cast(ArrayWrapperString)object).array;
65 NSString nsString = NSString.stringWith(url); 79 NSString nsString = NSString.stringWith(url);
66 NSString escapedString = nsString.stringByAddingPercentEscapesUsingEncoding(OS.NSUTF8StringEncoding); 80 NSString escapedString = nsString.stringByAddingPercentEscapesUsingEncoding(OS.NSUTF8StringEncoding);
67 transferData.data = NSURL.URLWithString(escapedString); 81 transferData.data = NSURL.URLWithString(escapedString);
68 } 82 }
69 83
70 /** 84 /**
71 * This implementation of <code>nativeToJava</code> converts a platform 85 * This implementation of <code>nativeToJava</code> converts a platform
72 * specific representation of a URL to a java <code>String</code>. 86 * specific representation of a URL to a java <code>String</code>.
76 * otherwise null 90 * otherwise null
77 * 91 *
78 * @see Transfer#javaToNative 92 * @see Transfer#javaToNative
79 */ 93 */
80 public Object nativeToJava(TransferData transferData){ 94 public Object nativeToJava(TransferData transferData){
81 if (!isSupportedType(transferData) || transferData.data is null) return null; 95 if (!isSupportedType(transferData) || transferData.data is null) return null;
82 NSURL nsUrl = (NSURL) transferData.data; 96 NSURL nsUrl = cast(NSURL) transferData.data;
83 NSString nsString = nsUrl.absoluteString(); 97 NSString nsString = nsUrl.absoluteString();
84 return nsString.getString(); 98 return new ArrayWrapperString(nsString.getString());
85 } 99 }
86 100
87 protected int[] getTypeIds(){ 101 protected int[] getTypeIds(){
88 return new int[] {URL_ID}; 102 return [URL_ID];
89 } 103 }
90 104
91 protected String[] getTypeNames(){ 105 protected String[] getTypeNames(){
92 return new String[] {URL}; 106 return [URL];
93 } 107 }
94 108
95 bool checkURL(Object object) { 109 bool checkURL(Object object) {
96 return object !is null && (object instanceof String) && ((String)object).length() > 0; 110 return object !is null && (cast(ArrayWrapperString) object) && (cast(ArrayWrapperString) object).array.length() > 0;
97 } 111 }
98 112
99 protected bool validate(Object object) { 113 protected bool validate(Object object) {
100 return checkURL(object); 114 return checkURL(object);
101 } 115 }
102 } 116 }