--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwt/browser.old/FilePicker.d	Tue Aug 05 18:00:50 2008 -0700
@@ -0,0 +1,453 @@
+/*******************************************************************************
+ * Copyright (c) 2003, 2007 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
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ * Port to the D programming language:
+ *     John Reimer <terminal.node@gmail.com>
+ *******************************************************************************/
+
+module dwt.browser.FilePicker;
+
+import tango.io.model.IFile;
+import Utf = tango.text.convert.Utf;
+
+import dwt.dwthelper.utils;
+
+import dwt.DWT;
+
+import XPCOM = dwt.internal.mozilla.nsXPCOM;
+
+import dwt.browser.Mozilla;
+import dwt.browser.MozillaDelegate;
+
+import dwt.internal.mozilla.nsEmbedString;
+import dwt.internal.mozilla.nsIDOMWindow;
+import dwt.internal.mozilla.nsID;
+import dwt.internal.mozilla.nsIFilePicker;
+import dwt.internal.mozilla.nsILocalFile;
+import dwt.internal.mozilla.nsISupports;
+import dwt.internal.mozilla.nsSimpleEnumerator;
+import dwt.internal.mozilla.nsStringAPI;
+import dwt.internal.mozilla.nsError;
+
+import dwt.widgets.DirectoryDialog;
+import dwt.widgets.Display;
+import dwt.widgets.FileDialog;
+import dwt.widgets.Shell;
+
+
+class FilePicker : nsISupports, nsIFilePicker 
+{
+    /**************************************************************************
+
+    **************************************************************************/
+    
+    private 
+    {
+        int      _refCount = 0;
+        short    _mode;
+
+        nsIDOMWindow _parent;
+
+        String[] _files;
+        String   _masks;
+        String   _defaultFilename, 
+                 _directory, 
+                 _title;
+    }
+    /**************************************************************************
+
+    **************************************************************************/
+
+    static final String SEPARATOR = FileConst.FileSeparatorChar;
+
+    /**************************************************************************
+
+    **************************************************************************/
+
+    this () 
+    {
+    }
+
+    /**************************************************************************
+
+    **************************************************************************/
+
+    nsrefcnt AddRef () 
+    {
+        _refCount++;
+        return _refCount;
+    }
+
+    /**************************************************************************
+
+    **************************************************************************/
+
+    nsresult QueryInterface ( inout nsID riid, void** ppvObject) 
+    {   
+        if (riid is null || ppvObject is null) 
+            return NS_ERROR_NO_INTERFACE;
+    
+        if (riid == nsISupports.IID) 
+        {
+            *ppvObject = cast(void*)cast(nsISupports) this;
+            AddRef ();
+            return NS_OK;
+        }
+    
+        if (riid == nsIFilePicker.IID)) 
+        {
+            *ppvObject = cast(void*)cast(nsIFilePicker) this;
+            AddRef ();
+            return NS_OK;
+        }
+    
+        if (riid == nsIFilePicker_1_8.IID) 
+        {
+            *ppvObject = cast(void*)cast(nsIFilePicker_1_8) this;
+            AddRef ();
+            return NS_OK;
+        }
+
+        *ppvObject = null; 
+        return NS_ERROR_NO_INTERFACE;
+    }
+
+    /**************************************************************************
+
+    **************************************************************************/
+
+    nsrefcnt Release () 
+    {
+        _refCount--;
+        
+        if (_refCount is 0) 
+            // No big deal here; just allow the GC to reap this object
+            // once all references are expired. -JJR
+            // delete this;
+            return 0;
+        
+        return _refCount;
+    }
+
+    /**************************************************************************
+
+    **************************************************************************/
+
+    /* SWT Comment:
+     *
+     * As of Mozilla 1.8 some of nsIFilePicker's string arguments changed type.  This method
+     * answers a java string based on the type of string that is appropriate for the Mozilla
+     * version being used.
+     */
+
+    override String parseAString (nsEmbedString str) 
+    {
+        return null;
+    }
+
+    /**************************************************************************
+
+    **************************************************************************/
+
+    /* nsIFilePicker */
+
+    nsresult Init (nsIDOMWindow parent, nsAString* title, PRInt16 mode) 
+    {
+        _parent = parent;
+        _mode = mode;
+        _title = parseAString (title);
+        return XPCOM;
+    }
+
+    /**************************************************************************
+
+    **************************************************************************/
+
+    nsresult Show (PRUint32* retval) 
+    {
+        if (_mode is nsIFilePicker.modeGetFolder) 
+        {
+            /* picking a directory */
+            int result = this.showDirectoryPicker ();
+            *retval = result;
+            return NS_OK;
+        }
+
+        /* picking a file */
+        int style = _mode is nsIFilePicker.modeSave ? DWT.SAVE : DWT.OPEN;
+
+        if (_mode is nsIFilePicker.modeOpenMultiple) 
+            style |= DWT.MULTI;
+
+        Display display = Display.getCurrent ();
+        Shell parent = null; // TODO compute parent
+
+        if (parent is null) 
+        {
+            parent = new Shell (display);
+        }
+
+        FileDialog dialog = new FileDialog (parent, style);
+        
+        if (_title !is null) 
+            dialog.setText (_title);
+        
+        if (_directory !is null) 
+            dialog.setFilterPath (_directory);
+        
+        if (_masks !is null) {
+            String[] str ~= _masks;
+            dialog.setFilterExtensions ( str );
+        }
+        
+        if (_defaultFilename !is null) 
+            dialog.setFileName (_defaultFilename);
+        
+        String filename = dialog.open ();
+        files = dialog.getFileNames ();
+        _directory = dialog.getFilterPath ();
+        _title = _defaultFilename = null;
+        _masks = null;
+        int result = filename is null ? nsIFilePicker.returnCancel : nsIFilePicker.returnOK; 
+        *retval = result;
+        return NS_OK;
+    }
+
+    /**************************************************************************
+
+    **************************************************************************/
+
+    int showDirectoryPicker () 
+    {
+        Display display = Display.getCurrent ();
+        Shell parent = null; // TODO compute parent
+        
+        if (parent is null) 
+        {
+            parent = new Shell (display);
+        }
+        
+        DirectoryDialog dialog = new DirectoryDialog (parent, DWT.NONE);
+        
+        if (_title !is null) 
+            dialog.setText (_title);
+        if (_directory !is null) 
+            dialog.setFilterPath (_directory);
+        _directory = dialog.open ();
+        _title = _defaultFilename = null;
+        _files = _masks = null;
+        return _directory is null ? nsIFilePicker.returnCancel : nsIFilePicker.returnOK;
+    }
+
+    /**************************************************************************
+
+    **************************************************************************/
+
+    nsresult GetFiles ( nsISimpleEnumerator* aFiles) 
+    {
+        return NS_ERROR_NOT_IMPLEMENTED;
+    }
+
+    /**************************************************************************
+
+    **************************************************************************/
+
+    nsresult GetFileURL (nsIFileURL aFileURL) 
+    {
+        return NS_ERROR_NOT_IMPLEMENTED;
+    }
+
+    /**************************************************************************
+
+    **************************************************************************/
+
+    nsresult GetFile (nsILocalFile* aFile) 
+    {
+        String filename = "";   //$NON-NLS-1$
+        
+        if (_directory !is null) 
+            filename ~= _directory ~ SEPARATOR;
+        if (_files !is null && _files.length > 0) 
+            filename ~= _files[0];
+        
+        // Create a nsEmbedString which will be automatically disposed 
+        // at the end of scope.
+        scope auto path = new nsEmbedString( filename );
+        
+        nsresult rc = XPCOM.NS_NewLocalFile ( cast(nsAString*)path, 1, aFile);
+
+        if (rc !is NS_OK) 
+            Mozilla.error (rc);
+        if (aFile is null) 
+            Mozilla.error (NS_ERROR_NULL_POINTER);
+
+        return NS_OK;
+    }
+
+    /**************************************************************************
+
+    **************************************************************************/
+
+    nsresult SetDisplayDirectory (nsILocalFile aDisplayDirectory) 
+    {
+        if (aDisplayDirectory is null) 
+            return NS_OK;
+        
+        scope auto pathname = new nsEmbedCString;
+        aDisplayDirectory.GetNativePath ( cast(nsACString*)pathname );
+        // TODO: CHECK IF THIS DOES CORRECT STRING CONVERSION -JJR
+        char[] buffer = pathname.toString();
+        char[] chars = MozillaDelegate.mbcsToWcs (null, buffer);
+        // "buffer" contains a dup'ed string so we can safely reuse
+        // it's memory for the _directory member. -JJR
+        _directory = buffer;
+        return NS_OK;
+    }
+
+    /**************************************************************************
+
+    **************************************************************************/
+
+    nsresult GetDisplayDirectory (nsILocalFile* aDisplayDirectory) 
+    {
+        String directoryName = _directory !is null ? _directory : ""; //$NON-NLS-1$
+        scope auto path = new nsEmbedString (directoryName);
+        nsresult rc = XPCOM.NS_NewLocalFile ( cast(nsAString*)path, 1, aDisplayDirectory);
+        
+        if (rc !is NS_OK) 
+            Mozilla.error (rc);
+        if (aDisplayDirectory is null) 
+            Mozilla.error (NS_ERROR_NULL_POINTER);
+        return NS_OK;
+    }
+
+    /**************************************************************************
+
+    **************************************************************************/
+
+    nsresult SetFilterIndex (PRInt32 aFilterIndex) 
+    {
+        return NS_ERROR_NOT_IMPLEMENTED;
+    }
+
+    /**************************************************************************
+
+    **************************************************************************/
+
+    nresult GetFilterIndex (PRInt32* aFilterIndex) 
+    {
+        return NS_ERROR_NOT_IMPLEMENTED;
+    }
+
+    /**************************************************************************
+
+    **************************************************************************/
+
+    int SetDefaultExtension (nsAString* aDefaultExtension) 
+    {
+        /* note that the type of argument 1 changed as of Mozilla 1.8 */
+        return NS_ERROR_NOT_IMPLEMENTED;
+    }
+
+    /**************************************************************************
+
+    **************************************************************************/
+
+    int GetDefaultExtension (nsAString* aDefaultExtension) 
+    {
+        /* note that the type of argument 1 changed as of Mozilla 1.8 */
+        return NS_ERROR_NOT_IMPLEMENTED;
+    }
+
+    /**************************************************************************
+
+    **************************************************************************/
+
+    nresult SetDefaultString (nsAString* aDefaultString) 
+    {
+        defaultFilename = parseAString (aDefaultString);
+        return NS_OK;
+    }
+
+    /**************************************************************************
+
+    **************************************************************************/
+
+    nresult GetDefaultString (nsAString* aDefaultString) 
+    {
+        /* note that the type of argument 1 changed as of Mozilla 1.8 */
+        return NS_ERROR_NOT_IMPLEMENTED;
+    }
+
+    /**************************************************************************
+
+    **************************************************************************/
+
+    nresult AppendFilter (nsAString* title, nsAString* filter)
+    {
+        /* note that the type of arguments 1 and 2 changed as of Mozilla 1.8 */
+        return NS_ERROR_NOT_IMPLEMENTED;
+    }
+
+    /**************************************************************************
+
+    **************************************************************************/
+
+    nresult AppendFilters (PRInt32 filterMask) 
+    {
+        String addFilters;
+        
+        switch (filterMask) 
+        {
+            case nsIFilePicker.filterAll:
+            case nsIFilePicker.filterApps:
+                _masks = null;           /* this is equivalent to no filter */
+                break;
+            case nsIFilePicker.filterHTML:
+                addFilters = "*.htm;*.html" ;
+                break;
+            case nsIFilePicker.filterImages:
+                addFilters = "*.gif;*.jpeg;*.jpg;*.png";
+                break;
+            case nsIFilePicker.filterText:
+                addFilters = "*.txt";
+                break;
+            case nsIFilePicker.filterXML:
+                addFilters = "*.xml";
+                break;
+            case nsIFilePicker.filterXUL:
+                addFilters = "*.xul";
+                break;
+        }
+    
+        if (_masks is null) 
+        {
+            _masks = addFilters;
+        } else {
+            if (addFilters !is null)
+                _masks ~= addFilters;
+        }
+        return NS_OK;
+    }
+
+/******************************************************************************
+
+    FilePicker for Mozilla Version 1.8
+
+******************************************************************************/
+
+class FilePicker_1_8 : FilePicker
+{
+    String parseAString (nsEmbedString str) 
+    {
+        if (str is null) 
+            return null;
+        return Utf.toString( str.toString16() );
+    }
+}
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