diff dwt/dnd/TextTransfer.d @ 45:d8635bb48c7c

Merge with SWT 3.5
author Jacob Carlborg <doob@me.com>
date Mon, 01 Dec 2008 17:07:00 +0100
parents e76aa0b07480
children 2fb76eb49f04
line wrap: on
line diff
--- a/dwt/dnd/TextTransfer.d	Tue Oct 21 15:20:04 2008 +0200
+++ b/dwt/dnd/TextTransfer.d	Mon Dec 01 17:07:00 2008 +0100
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2007 IBM Corporation and others.
+ * Copyright (c) 2000, 2008 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -8,10 +8,12 @@
  * Contributors:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
-module dwt.dnd;
+module dwt.dnd.TextTransfer;
 
-import dwt.internal.carbon.CFRange;
-import dwt.internal.carbon.OS;
+import dwt.dwthelper.utils;
+
+import dwt.internal.cocoa.NSString;
+import dwt.internal.cocoa.OS;
  
 /**
  * The class <code>TextTransfer</code> provides a platform specific mechanism 
@@ -27,15 +29,14 @@
  * 
  * @see Transfer
  */
-public class TextTransfer : ByteArrayTransfer {
+public class TextTransfer extends ByteArrayTransfer {
 
     static TextTransfer _instance = new TextTransfer();
-    static final String TEXT = "TEXT"; //$NON-NLS-1$
-    static final String UTEXT = "utxt"; //$NON-NLS-1$
-    static final int TEXTID = OS.kScrapFlavorTypeText;
-    static final int UTEXTID = OS.kScrapFlavorTypeUnicode;
+    
+    static final String ID_NAME = OS.NSStringPboardType.getString();
+    static final int ID = registerType(ID_NAME);
 
-this() {}
+TextTransfer() {}
 
 /**
  * Returns the singleton instance of the TextTransfer class.
@@ -51,51 +52,16 @@
  * represented by a java <code>String</code> to a platform specific representation.
  * 
  * @param object a java <code>String</code> containing text
- * @param transferData an empty <code>TransferData</code> object; this object
- *  will be filled in on return with the platform specific format of the data
+ * @param transferData an empty <code>TransferData</code> object that will
+ *      be filled in on return with the platform specific format of the data
  *  
- * @see Transfer#javaToNative
+ * @see Transfer#nativeToJava
  */
 public void javaToNative (Object object, TransferData transferData) {
     if (!checkText(object) || !isSupportedType(transferData)) {
         DND.error(DND.ERROR_INVALID_DATA);
     }
-    String String = cast(String)object;
-    char[] chars = new char[String.length()];
-    String.getChars (0, chars.length, chars, 0);
-    transferData.result = -1;
-    switch (transferData.type) {
-        case TEXTID: {
-            int cfString = OS.CFStringCreateWithCharacters(OS.kCFAllocatorDefault, chars, chars.length);
-            if (cfString is 0) return;
-            byte[] buffer = null;
-            try {
-                CFRange range = new CFRange();
-                range.length = chars.length;
-                int encoding = OS.CFStringGetSystemEncoding();
-                int[] size = new int[1];
-                int numChars = OS.CFStringGetBytes(cfString, range, encoding, cast(byte)'?', true, null, 0, size);
-                if (numChars is 0) return;
-                buffer = new byte[size[0]];
-                numChars = OS.CFStringGetBytes(cfString, range, encoding, cast(byte)'?', true, buffer, size [0], size);
-                if (numChars is 0) return;
-            } finally {
-                OS.CFRelease(cfString);
-            }
-            transferData.data = new byte[1][];
-            transferData.data[0] = buffer;
-            transferData.result = OS.noErr;
-            break;
-        }
-        case UTEXTID: {
-            byte[] buffer = new byte[chars.length * 2];
-            OS.memmove(buffer, chars, buffer.length);
-            transferData.data = new byte[1][];
-            transferData.data[0] = buffer;
-            transferData.result = OS.noErr;
-            break;
-        }
-    }
+    transferData.data = NSString.stringWith((String) object);
 }
 
 /**
@@ -105,48 +71,24 @@
  * @param transferData the platform specific representation of the data to be converted
  * @return a java <code>String</code> containing text if the conversion was successful; otherwise null
  * 
- * @see Transfer#nativeToJava
+ * @see Transfer#javaToNative
  */
 public Object nativeToJava(TransferData transferData){
     if (!isSupportedType(transferData) || transferData.data is null) return null;
-    if (transferData.data.length is 0 || transferData.data[0].length is 0) return null;
-    byte[] buffer = transferData.data[0];
-    switch (transferData.type) {
-        case TEXTID: {
-            int encoding = OS.CFStringGetSystemEncoding();
-            int cfString = OS.CFStringCreateWithBytes(OS.kCFAllocatorDefault, buffer, buffer.length, encoding, true);
-            if (cfString is 0) return null;
-            try {
-                int length = OS.CFStringGetLength(cfString);
-                if (length is 0) return null;
-                char[] chars = new char[length];
-                CFRange range = new CFRange();
-                range.length = length;
-                OS.CFStringGetCharacters(cfString, range, chars);
-                return new String(chars);
-            } finally {
-                OS.CFRelease(cfString);
-            }
-        }
-        case UTEXTID: {
-            char[] chars = new char[(buffer.length + 1) / 2];
-            OS.memmove(chars, buffer, buffer.length);
-            return new String(chars);
-        }
-    }
-    return null;
+    NSString string = (NSString) transferData.data;
+    return string.getString();
 }
 
 protected int[] getTypeIds() {
-    return new int[] {UTEXTID, TEXTID};
+    return new int[] {ID};
 }
 
 protected String[] getTypeNames() {
-    return new String[] {UTEXT, TEXT};
+    return new String[] {ID_NAME};
 }
 
 bool checkText(Object object) {
-    return (object !is null && null !is cast(String)object && (cast(String)object).length() > 0);
+    return (object !is null && object instanceof String && ((String)object).length() > 0);
 }
 protected bool validate(Object object) {
     return checkText(object);