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 | NSRect boundsRect = [self bounds]; |
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43 | [super drawRect: rect]; |
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44 | if (dragAccepted) { |
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45 | [[NSColor selectedControlColor] set]; |
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46 | [NSBezierPath setDefaultLineWidth: 2]; |
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47 | [NSBezierPath strokeRect: NSInsetRect(boundsRect, 2, 2)]; |
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48 | } else if (selectedAlias != nil && [self isEnabled]) { |
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49 | static NSImage *popupTriangle = nil; |
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50 | static NSSize imageSize; |
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51 | if (popupTriangle == nil) { |
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52 | popupTriangle = [[NSImage imageNamed: @"Popup triangle"] retain]; |
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53 | imageSize = [popupTriangle size]; |
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54 | } |
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55 | // equivalent to popup triangle location for large bezel in Carbon |
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56 | [popupTriangle compositeToPoint: NSMakePoint(NSMaxX(boundsRect) - imageSize.width - 5, NSMaxY(boundsRect) - 5) operation: NSCompositeSourceOver]; |
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57 | } |
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58 | } |
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59 | |
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60 | - (BOOL)acceptsPath:(NSString *)path; |
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61 | { |
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62 | NSFileManager *fm = [NSFileManager defaultManager]; |
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63 | BOOL isDir; |
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64 | |
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65 | if (![fm fileExistsAtPath: path isDirectory: &isDir]) return NO; |
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66 | |
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67 | if (isDir) return canChooseDirectories; |
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68 | if (canChooseFiles) { |
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69 | NSEnumerator *e = [fileTypes objectEnumerator]; |
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70 | NSString *extension = [path pathExtension]; |
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71 | NSString *hfsType = NSHFSTypeOfFile(path); |
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72 | NSString *fileType; |
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73 | |
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74 | while ( (fileType = [e nextObject]) != nil) { |
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75 | if ([fileType isEqualToString: extension] || [fileType isEqualToString: hfsType]) |
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76 | return YES; |
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77 | } |
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78 | } |
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79 | return NO; |
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80 | } |
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81 | |
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82 | - (void)setImage:(NSImage *)image; |
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83 | { |
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84 | [super setImage: [image bestFitImageForSize: [[self cell] cellSize]]]; |
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85 | } |
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86 | |
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87 | - (IBAction)select:(id)sender; |
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88 | { |
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89 | NSOpenPanel *openPanel = [NSOpenPanel openPanel]; |
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90 | NSString *path = [selectedAlias fullPath]; |
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91 | [openPanel setAllowsMultipleSelection: NO]; |
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92 | [openPanel setCanChooseDirectories: canChooseDirectories]; |
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93 | [openPanel setCanChooseFiles: canChooseFiles]; |
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94 | [openPanel beginSheetForDirectory: [path stringByDeletingLastPathComponent] |
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95 | file: [path lastPathComponent] |
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96 | types: fileTypes |
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97 | modalForWindow: [self window] |
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98 | modalDelegate: self |
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99 | didEndSelector: @selector(openPanelDidEnd:returnCode:contextInfo:) |
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100 | contextInfo: nil]; |
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101 | } |
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102 | |
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103 | - (void)openPanelDidEnd:(NSOpenPanel *)sheet returnCode:(int)returnCode contextInfo:(void *)contextInfo; |
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104 | { |
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105 | [sheet close]; |
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106 | |
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107 | if (returnCode == NSOKButton) { |
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108 | NSArray *files = [sheet filenames]; |
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109 | NSAssert1([files count] == 1, @"%d items returned, only one expected", [files count]); |
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110 | [self setPath: [files objectAtIndex: 0]]; |
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111 | [[self target] tryToPerform: [self action] with: self]; |
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112 | } |
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113 | } |
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114 | |
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115 | - (void)revealInFinder:(id<NSMenuItem>)sender; |
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116 | { |
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117 | NSString *path = [sender representedObject]; |
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118 | if (path == nil) return; |
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119 | [[NSWorkspace sharedWorkspace] selectFile: path inFileViewerRootedAtPath: @""]; |
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120 | } |
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121 | |
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122 | - (void)setAlias:(BDAlias *)alias; |
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123 | { |
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124 | if (selectedAlias != alias) { |
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125 | [selectedAlias release]; |
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126 | selectedAlias = [alias retain]; |
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127 | } |
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128 | |
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129 | if (alias != nil) { // alias is set |
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130 | NSString *path = [alias fullPath]; |
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131 | NSString *revealPath = nil; |
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132 | NSString *targetName = [path lastPathComponent]; |
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133 | NSMenu *menu = [[NSMenu alloc] initWithTitle: @""]; |
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134 | NSFileManager *fmgr = [NSFileManager defaultManager]; |
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135 | NSMenuItem *item; |
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136 | if (path != nil) { // can resolve alias |
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137 | [self setImage: [[NSWorkspace sharedWorkspace] iconForFile: path]]; |
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138 | [self setTitle: targetName]; |
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139 | do { |
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140 | item = [menu addItemWithTitle: [fmgr displayNameAtPath: path] |
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141 | action: @selector(revealInFinder:) |
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142 | keyEquivalent: @""]; |
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143 | [item setTarget: self]; |
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144 | [item setRepresentedObject: revealPath]; |
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145 | [item setImage: |
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146 | [[[NSWorkspace sharedWorkspace] iconForFile: path] bestFitImageForSize: NSMakeSize(16, 16)]]; |
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147 | revealPath = path; |
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148 | path = [path stringByDeletingLastPathComponent]; |
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149 | NSAssert1(![path isEqualToString: revealPath], @"Stuck on path |%@|", [alias fullPath]); |
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150 | } while (![revealPath isEqualToString: @"/"] && ![path isEqualToString: @"/Volumes"]); |
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151 | [[self cell] setMenu: menu]; |
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152 | } else { |
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153 | [self setImage: nil]; |
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154 | [self setTitle: @"(not available)"]; |
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155 | [[self cell] setMenu: nil]; |
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156 | } |
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157 | } else { |
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158 | [self setImage: nil]; |
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159 | [self setTitle: @"(none selected)"]; |
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160 | [[self cell] setMenu: nil]; |
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161 | } |
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162 | [self setEnabled: isEnabled]; |
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163 | } |
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164 | |
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165 | - (BOOL)isEnabled; |
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166 | { |
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167 | return isEnabled; |
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168 | } |
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169 | |
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170 | - (void)setEnabled:(BOOL)enabled; |
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171 | { |
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172 | isEnabled = enabled; |
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173 | [super setEnabled: enabled ? selectedAlias != nil : NO]; |
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174 | } |
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175 | |
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176 | - (void)rightMouseDown:(NSEvent *)theEvent; |
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177 | { |
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178 | [self mouseDown: theEvent]; |
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179 | } |
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180 | |
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181 | - (void)otherMouseDown:(NSEvent *)theEvent; |
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182 | { |
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183 | [self mouseDown: theEvent]; |
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184 | } |
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185 | |
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186 | extern MenuRef _NSGetCarbonMenu(NSMenu *menu); |
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187 | |
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188 | - (void)mouseDown:(NSEvent *)theEvent; |
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189 | { |
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190 | NSMenu *menu = [[self cell] menu]; |
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191 | MenuRef mRef = _NSGetCarbonMenu(menu); |
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192 | |
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193 | if (mRef == NULL) { |
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194 | NSMenu *appMenu = [[[NSApp mainMenu] itemWithTitle: @""] submenu]; |
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195 | if (appMenu != nil) { |
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196 | NSMenuItem *item = [appMenu addItemWithTitle: @"" action: NULL keyEquivalent: @""]; |
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197 | [appMenu setSubmenu: menu forItem: item]; |
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198 | [appMenu removeItem: item]; |
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199 | } |
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200 | mRef = _NSGetCarbonMenu(menu); |
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201 | } |
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202 | |
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203 | ChangeMenuAttributes(mRef, kMenuAttrExcludesMarkColumn, 0); |
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204 | theEvent = [NSEvent mouseEventWithType: [theEvent type] |
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205 | location: [self convertPoint: NSMakePoint(-1, 1) toView: nil] |
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206 | modifierFlags: [theEvent modifierFlags] |
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207 | timestamp: [theEvent timestamp] |
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208 | windowNumber: [theEvent windowNumber] |
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209 | context: [theEvent context] |
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210 | eventNumber: [theEvent eventNumber] |
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211 | clickCount: [theEvent clickCount] |
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212 | pressure: [theEvent pressure]]; |
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213 | |
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214 | // this undocumented API does not work any better; contextual menu items are still added: |
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215 | // [menu _popUpMenuWithEvent: theEvent forView: self]; |
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216 | [NSMenu popUpContextMenu: menu withEvent: theEvent forView: self]; |
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217 | } |
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218 | |
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219 | - (BDAlias *)alias; |
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220 | { |
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221 | return selectedAlias; |
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222 | } |
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223 | |
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224 | - (void)setPath:(NSString *)path; |
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225 | { |
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226 | [self setAlias: [BDAlias aliasWithPath: path]]; |
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227 | } |
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228 | |
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229 | - (BOOL)canChooseDirectories; |
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230 | { |
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231 | return canChooseDirectories; |
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232 | } |
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233 | |
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234 | - (BOOL)canChooseFiles; |
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235 | { |
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236 | return canChooseFiles; |
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237 | } |
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238 | |
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239 | - (void)setCanChooseDirectories:(BOOL)flag; |
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240 | { |
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241 | canChooseDirectories = flag; |
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242 | } |
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243 | |
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244 | - (void)setCanChooseFiles:(BOOL)flag; |
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245 | { |
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246 | canChooseFiles = flag; |
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247 | } |
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248 | |
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249 | - (NSArray *)fileTypes; |
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250 | { |
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251 | return fileTypes; |
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252 | } |
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253 | |
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254 | - (void)setFileTypes:(NSArray *)types; |
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255 | { |
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256 | if (fileTypes == types) return; |
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257 | |
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258 | [fileTypes release]; |
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259 | fileTypes = [types retain]; |
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260 | } |
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261 | |
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262 | @end |
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263 | |
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264 | |
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265 | @implementation NJRFSObjectSelector (NSDraggingDestination) |
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266 | |
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267 | - (BOOL)acceptsDragFrom:(id <NSDraggingInfo>)sender; |
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268 | { |
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269 | NSURL *url = [NSURL URLFromPasteboard: [sender draggingPasteboard]]; |
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270 | |
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271 | if (url == nil || ![url isFileURL]) return NO; |
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272 | return [self acceptsPath: [url path]]; |
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273 | } |
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274 | |
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275 | - (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender; |
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276 | { |
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277 | if ([self acceptsDragFrom: sender] && [sender draggingSourceOperationMask] & |
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278 | (NSDragOperationCopy | NSDragOperationLink)) { |
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279 | dragAccepted = YES; |
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280 | [self setNeedsDisplay: YES]; |
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281 | return NSDragOperationLink; |
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282 | } |
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283 | return NSDragOperationNone; |
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284 | } |
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285 | |
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286 | - (void)draggingExited:(id <NSDraggingInfo>)sender; |
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287 | { |
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288 | dragAccepted = NO; |
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289 | [self setNeedsDisplay: YES]; |
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290 | } |
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291 | |
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292 | - (BOOL)prepareForDragOperation:(id <NSDraggingInfo>)sender; |
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293 | { |
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294 | dragAccepted = NO; |
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295 | [self setNeedsDisplay: YES]; |
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296 | return [self acceptsDragFrom: sender]; |
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297 | } |
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298 | |
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299 | - (BOOL)performDragOperation:(id <NSDraggingInfo>)sender; |
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300 | { |
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301 | if ([sender draggingSource] != self) { |
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302 | NSURL *url = [NSURL URLFromPasteboard: [sender draggingPasteboard]]; |
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303 | if (url == nil) return NO; |
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304 | [self setPath: [url path]]; |
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305 | [[self target] tryToPerform: [self action] with: self]; |
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306 | } |
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307 | return YES; |
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308 | } |
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309 | |
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310 | @end |
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