CFileDialog.m 7.6 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
/*
 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

#import <sys/stat.h>
#import <Cocoa/Cocoa.h>
#import <JavaNativeFoundation/JavaNativeFoundation.h>

#import "CFileDialog.h"
#import "ThreadUtilities.h"

#import "java_awt_FileDialog.h"
#import "sun_lwawt_macosx_CFileDialog.h"

@implementation CFileDialog

- (id)initWithFilter:(jboolean)inHasFilter
          fileDialog:(jobject)inDialog
               title:(NSString *)inTitle
           directory:(NSString *)inPath
                file:(NSString *)inFile
                mode:(jint)inMode
44
        multipleMode:(BOOL)inMultipleMode
45 46 47 48 49 50 51 52 53 54 55 56 57
      shouldNavigate:(BOOL)inNavigateApps
             withEnv:(JNIEnv*)env;
{
    if (self == [super init]) {
        fHasFileFilter = inHasFilter;
        fFileDialog = JNFNewGlobalRef(env, inDialog);
        fDirectory = inPath;
        [fDirectory retain];
        fFile = inFile;
        [fFile retain];
        fTitle = inTitle;
        [fTitle retain];
        fMode = inMode;
58
        fMultipleMode = inMultipleMode;
59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83
        fNavigateApps = inNavigateApps;
        fPanelResult = NSCancelButton;
    }

    return self;
}

-(void) disposer {
    if (fFileDialog != NULL) {
        JNIEnv *env = [ThreadUtilities getJNIEnvUncached];
        JNFDeleteGlobalRef(env, fFileDialog);
        fFileDialog = NULL;
    }
}

-(void) dealloc {
    [fDirectory release];
    fDirectory = nil;

    [fFile release];
    fFile = nil;

    [fTitle release];
    fTitle = nil;

84 85
    [fURLs release];
    fURLs = nil;
86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109

    [super dealloc];
}
//- (void)finalize { [super finalize]; }

- (void)safeSaveOrLoad {
    NSSavePanel *thePanel = nil;

    if (fMode == java_awt_FileDialog_SAVE) {
        thePanel = [NSSavePanel savePanel];
        [thePanel setAllowsOtherFileTypes:YES];
    } else {
        thePanel = [NSOpenPanel openPanel];
    }

    if (thePanel != nil) {
        [thePanel setTitle:fTitle];

        if (fNavigateApps) {
            [thePanel setTreatsFilePackagesAsDirectories:YES];
        }

        if (fMode == java_awt_FileDialog_LOAD) {
            NSOpenPanel *openPanel = (NSOpenPanel *)thePanel;
110
            [openPanel setAllowsMultipleSelection:fMultipleMode];
111 112 113 114 115 116 117 118
            [openPanel setCanChooseFiles:YES];
            [openPanel setCanChooseDirectories:NO];
            [openPanel setCanCreateDirectories:YES];
        }

        [thePanel setDelegate:self];
        fPanelResult = [thePanel runModalForDirectory:fDirectory file:fFile];
        [thePanel setDelegate:nil];
119 120 121 122 123 124 125 126 127 128

        if ([self userClickedOK]) {
            if (fMode == java_awt_FileDialog_LOAD) {
                NSOpenPanel *openPanel = (NSOpenPanel *)thePanel;
                fURLs = [openPanel URLs];
            } else {
                fURLs = [NSArray arrayWithObject:[thePanel URL]];
            }
            [fURLs retain];
        }
129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170
    }

    [self disposer];
}

- (BOOL) askFilenameFilter:(NSString *)filename {
    JNIEnv *env = [ThreadUtilities getJNIEnv];
    jstring jString = JNFNormalizedJavaStringForPath(env, filename);

    static JNF_CLASS_CACHE(jc_CFileDialog, "sun/lwawt/macosx/CFileDialog");
    static JNF_MEMBER_CACHE(jm_queryFF, jc_CFileDialog, "queryFilenameFilter", "(Ljava/lang/String;)Z");
    BOOL returnValue = JNFCallBooleanMethod(env, fFileDialog, jm_queryFF, jString); // AWT_THREADING Safe (AWTRunLoopMode)
    (*env)->DeleteLocalRef(env, jString);

    return returnValue;
}

- (BOOL)panel:(id)sender shouldEnableURL:(NSURL *)url {
    if (!fHasFileFilter) return YES; // no filter, no problem!

    // check if it's not a normal file
    NSNumber *isFile = nil;
    if ([url getResourceValue:&isFile forKey:NSURLIsRegularFileKey error:nil]) {
        if (![isFile boolValue]) return YES; // always show directories and non-file entities (browsing servers/mounts, etc)
    }

    // if in directory-browsing mode, don't offer files
    if ((fMode != java_awt_FileDialog_LOAD) && (fMode != java_awt_FileDialog_SAVE)) {
        return NO;
    }

    // ask the file filter up in Java
    CFStringRef filePath = CFURLCopyFileSystemPath((CFURLRef)url, kCFURLPOSIXPathStyle);
    BOOL shouldEnableFile = [self askFilenameFilter:(NSString *)filePath];
    CFRelease(filePath);
    return shouldEnableFile;
}

- (BOOL) userClickedOK {
    return fPanelResult == NSOKButton;
}

171 172
- (NSArray *)URLs {
    return [[fURLs retain] autorelease];
173 174 175 176 177 178 179
}
@end

/*
 * Class:     sun_lwawt_macosx_CFileDialog
 * Method:    nativeRunFileDialog
 * Signature: (Ljava/lang/String;ILjava/io/FilenameFilter;
180
 *             Ljava/lang/String;Ljava/lang/String;)[Ljava/lang/String;
181
 */
182
JNIEXPORT jobjectArray JNICALL
183
Java_sun_lwawt_macosx_CFileDialog_nativeRunFileDialog
184 185
(JNIEnv *env, jobject peer, jstring title, jint mode, jboolean multipleMode,
 jboolean navigateApps, jboolean hasFilter, jstring directory, jstring file)
186
{
187
    jobjectArray returnValue = NULL;
188 189 190 191 192 193 194 195 196 197 198 199 200

JNF_COCOA_ENTER(env);
    NSString *dialogTitle = JNFJavaToNSString(env, title);
    if ([dialogTitle length] == 0) {
        dialogTitle = @" ";
    }

    CFileDialog *dialogDelegate = [[CFileDialog alloc] initWithFilter:hasFilter
                                                           fileDialog:peer
                                                                title:dialogTitle
                                                            directory:JNFJavaToNSString(env, directory)
                                                                 file:JNFJavaToNSString(env, file)
                                                                 mode:mode
201
                                                         multipleMode:multipleMode
202 203 204 205 206 207 208 209 210
                                                       shouldNavigate:navigateApps
                                                              withEnv:env];

    [JNFRunLoop performOnMainThread:@selector(safeSaveOrLoad)
                                 on:dialogDelegate
                         withObject:nil
                      waitUntilDone:YES];

    if ([dialogDelegate userClickedOK]) {
211 212 213 214 215 216 217 218 219 220 221 222
        NSArray *urls = [dialogDelegate URLs];
        jsize count = [urls count];

        jclass stringClass = (*env)->FindClass(env, "java/lang/String");
        returnValue = (*env)->NewObjectArray(env, count, stringClass, NULL);
        (*env)->DeleteLocalRef(env, stringClass);

        [urls enumerateObjectsUsingBlock:^(id url, NSUInteger index, BOOL *stop) {
            jstring filename = JNFNormalizedJavaStringForPath(env, [url path]);
            (*env)->SetObjectArrayElement(env, returnValue, index, filename);
            (*env)->DeleteLocalRef(env, filename);
        }];
223 224 225 226 227 228
    }

    [dialogDelegate release];
JNF_COCOA_EXIT(env);
    return returnValue;
}