1 | #import "NJRFSObjectSelector.h"
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2 | #import "NSImage-NJRExtensions.h"
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3 | #include <Carbon/Carbon.h>
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4 |
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5 | @implementation NJRFSObjectSelector
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6 |
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7 | - (void)_initSelector;
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8 | {
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9 | canChooseFiles = YES; canChooseDirectories = NO;
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10 | [self setAlias: nil];
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11 | [[self cell] setHighlightsBy: NSChangeBackgroundCell];
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12 | [[self cell] setGradientType: NSGradientNone];
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13 | [self registerForDraggedTypes:
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14 | [NSArray arrayWithObjects: NSFilenamesPboardType, NSURLPboardType, nil]];
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15 | }
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16 |
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17 | - (void)dealloc;
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18 | {
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19 | [selectedAlias release];
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20 | [fileTypes release];
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21 | [super dealloc];
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22 | }
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23 |
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24 | - (id)initWithCoder:(NSCoder *)coder;
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25 | {
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26 | if ( (self = [super initWithCoder: coder]) != nil) {
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27 | [self _initSelector];
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28 | }
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29 | return self;
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30 | }
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31 |
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32 | - (id)initWithFrame:(NSRect)frame;
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33 | {
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34 | if ( (self = [super initWithFrame: frame]) != nil) {
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35 | [self _initSelector];
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36 | }
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37 | return self;
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38 | }
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39 |
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40 | - (void)drawRect:(NSRect)rect;
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41 | {
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42 | [super drawRect: rect];
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43 | if (dragAccepted) {
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44 | [[NSColor selectedControlColor] set];
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45 | [NSBezierPath setDefaultLineWidth: 2];
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46 | [NSBezierPath strokeRect: NSInsetRect(rect, 2, 2)];
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47 | } else {
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48 | static NSImage *popupTriangle = nil;
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49 | static NSSize imageSize;
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50 | if (popupTriangle == nil) {
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51 | popupTriangle = [[NSImage imageNamed: @"Popup triangle"] retain];
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52 | imageSize = [popupTriangle size];
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53 | }
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54 | // equivalent to popup triangle location for large bezel in Carbon
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55 | [popupTriangle compositeToPoint: NSMakePoint(NSMaxX(rect) - imageSize.width - 5, NSMaxY(rect) - 5) operation: NSCompositeCopy];
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56 | }
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57 | }
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58 |
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59 | - (BOOL)acceptsPath:(NSString *)path;
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60 | {
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61 | NSFileManager *fm = [NSFileManager defaultManager];
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62 | BOOL isDir;
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63 |
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64 | if (![fm fileExistsAtPath: path isDirectory: &isDir]) return NO;
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65 |
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66 | if (isDir) return canChooseDirectories;
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67 | if (canChooseFiles) {
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68 | NSEnumerator *e = [fileTypes objectEnumerator];
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69 | NSString *extension = [path pathExtension];
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70 | NSString *hfsType = NSHFSTypeOfFile(path);
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71 | NSString *fileType;
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72 |
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73 | while ( (fileType = [e nextObject]) != nil) {
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74 | if ([fileType isEqualToString: extension] || [fileType isEqualToString: hfsType])
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75 | return YES;
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76 | }
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77 | }
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78 | return NO;
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79 | }
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80 |
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81 | - (void)setImage:(NSImage *)image;
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82 | {
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83 | [super setImage: [image bestFitImageForSize: [[self cell] cellSize]]];
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84 | }
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85 |
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86 | - (IBAction)select:(id)sender;
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87 | {
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88 | NSOpenPanel *openPanel = [NSOpenPanel openPanel];
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89 | NSString *path = [selectedAlias fullPath];
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90 | [openPanel setAllowsMultipleSelection: NO];
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91 | [openPanel setCanChooseDirectories: canChooseDirectories];
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92 | [openPanel setCanChooseFiles: canChooseFiles];
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93 | [openPanel beginSheetForDirectory: [path stringByDeletingLastPathComponent]
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94 | file: [path lastPathComponent]
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95 | types: fileTypes
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96 | modalForWindow: [self window]
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97 | modalDelegate: self
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98 | didEndSelector: @selector(openPanelDidEnd:returnCode:contextInfo:)
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99 | contextInfo: nil];
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100 | }
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101 |
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102 | - (void)openPanelDidEnd:(NSOpenPanel *)sheet returnCode:(int)returnCode contextInfo:(void *)contextInfo;
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103 | {
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104 | [sheet close];
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105 |
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106 | if (returnCode == NSOKButton) {
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107 | NSArray *files = [sheet filenames];
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108 | NSAssert1([files count] == 1, @"%d items returned, only one expected", [files count]);
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109 | [self setPath: [files objectAtIndex: 0]];
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110 | [[self target] tryToPerform: [self action] with: self];
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111 | }
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112 | }
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113 |
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114 | - (void)revealInFinder:(id<NSMenuItem>)sender;
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115 | {
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116 | NSString *path = [sender representedObject];
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117 | if (path == nil) return;
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118 | [[NSWorkspace sharedWorkspace] selectFile: path inFileViewerRootedAtPath: @""];
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119 | }
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120 |
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121 | - (void)setAlias:(BDAlias *)alias;
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122 | {
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123 | if (selectedAlias != alias) {
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124 | [selectedAlias release];
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125 | selectedAlias = [alias retain];
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126 | }
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127 |
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128 | if (alias != nil) { // alias is set
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129 | NSString *path = [alias fullPath];
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130 | NSString *revealPath = nil;
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131 | NSString *targetName = [path lastPathComponent];
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132 | NSMenu *menu = [[NSMenu alloc] initWithTitle: @""];
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133 | NSFileManager *fmgr = [NSFileManager defaultManager];
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134 | NSMenuItem *item;
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135 | if (path != nil) { // can resolve alias
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136 | [self setImage: [[NSWorkspace sharedWorkspace] iconForFile: path]];
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137 | [self setTitle: targetName];
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138 | do {
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139 | item = [menu addItemWithTitle: [fmgr displayNameAtPath: path]
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140 | action: @selector(revealInFinder:)
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141 | keyEquivalent: @""];
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142 | [item setTarget: self];
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143 | [item setRepresentedObject: revealPath];
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144 | [item setImage:
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145 | [[[NSWorkspace sharedWorkspace] iconForFile: path] bestFitImageForSize: NSMakeSize(16, 16)]];
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146 | revealPath = path;
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147 | path = [path stringByDeletingLastPathComponent];
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148 | NSAssert1(![path isEqualToString: revealPath], @"Stuck on path |%@|", [alias fullPath]);
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149 | } while (![revealPath isEqualToString: @"/"] && ![path isEqualToString: @"/Volumes"]);
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150 | [[self cell] setMenu: menu];
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151 | } else {
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152 | [self setImage: nil];
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153 | [self setTitle: @"(not available)"];
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154 | [[self cell] setMenu: nil];
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155 | }
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156 | } else {
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157 | [self setImage: nil];
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158 | [self setTitle: @"(none selected)"];
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159 | [[self cell] setMenu: nil];
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160 | }
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161 | [self setEnabled: YES];
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162 | }
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163 |
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164 | - (void)setEnabled:(BOOL)enabled;
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165 | {
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166 | [super setEnabled: enabled ? selectedAlias != nil : NO];
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167 | }
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168 |
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169 | - (void)rightMouseDown:(NSEvent *)theEvent;
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170 | {
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171 | [self mouseDown: theEvent];
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172 | }
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173 |
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174 | - (void)otherMouseDown:(NSEvent *)theEvent;
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175 | {
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176 | [self mouseDown: theEvent];
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177 | }
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178 |
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179 | extern MenuRef _NSGetCarbonMenu(NSMenu *menu);
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180 |
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181 | - (void)mouseDown:(NSEvent *)theEvent;
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182 | {
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183 | NSMenu *menu = [[self cell] menu];
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184 | MenuRef mRef = _NSGetCarbonMenu(menu);
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185 |
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186 | if (mRef == NULL) {
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187 | NSMenu *appMenu = [[[NSApp mainMenu] itemWithTitle: @""] submenu];
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188 | if (appMenu != nil) {
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189 | NSMenuItem *item = [appMenu addItemWithTitle: @"" action: NULL keyEquivalent: @""];
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190 | [appMenu setSubmenu: menu forItem: item];
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191 | [appMenu removeItem: item];
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192 | }
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193 | mRef = _NSGetCarbonMenu(menu);
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194 | }
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195 |
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196 | ChangeMenuAttributes(mRef, kMenuAttrExcludesMarkColumn, 0);
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197 | theEvent = [NSEvent mouseEventWithType: [theEvent type]
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198 | location: [self convertPoint: NSMakePoint(-1, 1) toView: nil]
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199 | modifierFlags: [theEvent modifierFlags]
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200 | timestamp: [theEvent timestamp]
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201 | windowNumber: [theEvent windowNumber]
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202 | context: [theEvent context]
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203 | eventNumber: [theEvent eventNumber]
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204 | clickCount: [theEvent clickCount]
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205 | pressure: [theEvent pressure]];
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206 |
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207 | // this undocumented API does not work any better; contextual menu items are still added:
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208 | // [menu _popUpMenuWithEvent: theEvent forView: self];
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209 | [NSMenu popUpContextMenu: menu withEvent: theEvent forView: self];
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210 | }
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211 |
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212 | - (BDAlias *)alias;
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213 | {
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214 | return selectedAlias;
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215 | }
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216 |
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217 | - (void)setPath:(NSString *)path;
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218 | {
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219 | [self setAlias: [BDAlias aliasWithPath: path]];
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220 | }
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221 |
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222 | - (BOOL)canChooseDirectories;
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223 | {
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224 | return canChooseDirectories;
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225 | }
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226 |
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227 | - (BOOL)canChooseFiles;
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228 | {
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229 | return canChooseFiles;
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230 | }
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231 |
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232 | - (void)setCanChooseDirectories:(BOOL)flag;
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233 | {
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234 | canChooseDirectories = flag;
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235 | }
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236 |
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237 | - (void)setCanChooseFiles:(BOOL)flag;
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238 | {
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239 | canChooseFiles = flag;
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240 | }
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241 |
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242 | - (NSArray *)fileTypes;
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243 | {
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244 | return fileTypes;
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245 | }
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246 |
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247 | - (void)setFileTypes:(NSArray *)types;
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248 | {
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249 | if (fileTypes == types) return;
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250 |
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251 | [fileTypes release];
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252 | fileTypes = [types retain];
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253 | }
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254 |
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255 | @end
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256 |
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257 |
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258 | @implementation NJRFSObjectSelector (NSDraggingDestination)
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259 |
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260 | - (BOOL)acceptsDragFrom:(id <NSDraggingInfo>)sender;
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261 | {
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262 | NSURL *url = [NSURL URLFromPasteboard: [sender draggingPasteboard]];
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263 |
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264 | if (url == nil || ![url isFileURL]) return NO;
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265 | return [self acceptsPath: [url path]];
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266 | }
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267 |
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268 | - (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender;
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269 | {
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270 | if ([self acceptsDragFrom: sender] && [sender draggingSourceOperationMask] &
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271 | NSDragOperationCopy) {
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272 | dragAccepted = YES;
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273 | [self setNeedsDisplay: YES];
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274 | return NSDragOperationGeneric;
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275 | }
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276 | return NSDragOperationNone;
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277 | }
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278 |
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279 | - (void)draggingExited:(id <NSDraggingInfo>)sender;
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280 | {
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281 | dragAccepted = NO;
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282 | [self setNeedsDisplay: YES];
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283 | }
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284 |
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285 | - (BOOL)prepareForDragOperation:(id <NSDraggingInfo>)sender;
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286 | {
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287 | dragAccepted = NO;
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288 | [self setNeedsDisplay: YES];
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289 | return [self acceptsDragFrom: sender];
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290 | }
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291 |
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292 | - (BOOL)performDragOperation:(id <NSDraggingInfo>)sender;
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293 | {
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294 | if ([sender draggingSource] != self) {
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295 | NSURL *url = [NSURL URLFromPasteboard: [sender draggingPasteboard]];
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296 | if (url == nil) return NO;
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297 | [self setPath: [url path]];
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298 | [[self target] tryToPerform: [self action] with: self];
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299 | }
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300 | return YES;
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301 | }
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302 |
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303 | @end
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