code.grnet.gr Git - pithos-macos/blob - pithos-macos/PithosBrowserController.m

   1 //
   2 //  PithosBrowserController.m
   3 //  pithos-macos
   4 //
   5 // Copyright 2011 GRNET S.A. All rights reserved.
   6 //
   7 // Redistribution and use in source and binary forms, with or
   8 // without modification, are permitted provided that the following
   9 // conditions are met:
  10 //
  11 //   1. Redistributions of source code must retain the above
  12 //      copyright notice, this list of conditions and the following
  13 //      disclaimer.
  14 //
  15 //   2. Redistributions in binary form must reproduce the above
  16 //      copyright notice, this list of conditions and the following
  17 //      disclaimer in the documentation and/or other materials
  18 //      provided with the distribution.
  19 //
  20 // THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
  21 // OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  22 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  23 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
  24 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  25 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  26 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
  27 // USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
  28 // AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  29 // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  30 // ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  31 // POSSIBILITY OF SUCH DAMAGE.
  32 //
  33 // The views and conclusions contained in the software and
  34 // documentation are those of the authors and should not be
  35 // interpreted as representing official policies, either expressed
  36 // or implied, of GRNET S.A.
  37
  38 #import "PithosBrowserController.h"
  39 #import "PithosNode.h"
  40 #import "PithosAccountNode.h"
  41 #import "PithosContainerNode.h"
  42 #import "PithosEmptyNode.h"
  43 #import "ImageAndTextCell.h"
  44 #import "FileSystemBrowserCell.h"
  45 #import "ASIPithosRequest.h"
  46 #import "ASIPithosContainerRequest.h"
  47 #import "ASIPithosContainer.h"
  48
  49 //@interface PithosBrowserCell : NSBrowserCell {}
  50 @interface PithosBrowserCell : FileSystemBrowserCell {}
  51 @end
  52
  53 @implementation PithosBrowserCell
  54
  55 - (id)init {
  56     if ((self = [super init])) {
  57         [self setLineBreakMode:NSLineBreakByTruncatingMiddle];
  58     }
  59     return self;
  60 }
  61
  62 - (void)setObjectValue:(id)object {
  63     if ([object isKindOfClass:[PithosNode class]]) {
  64         PithosNode *node = (PithosNode *)object;
  65         [self setStringValue:node.displayName];
  66         [self setImage:node.icon];
  67 //        // All cells are set as leafs because a branchingImage is already set!
  68 //        // Maybe this cell is already inside an NSBrowserCell
  69 //        [self setLeaf:YES];
  70     } else {
  71         [super setObjectValue:object];
  72     }
  73 }
  74
  75 @end
  76
  77 @interface PithosOutlineViewCell : ImageAndTextCell {}
  78 @end
  79
  80 @implementation PithosOutlineViewCell
  81
  82 - (void)setObjectValue:(id)object {
  83     if ([object isKindOfClass:[PithosNode class]]) {
  84         PithosNode *node = (PithosNode *)object;
  85         [self setStringValue:node.displayName];
  86         [self setImage:node.icon];
  87         [self setEditable:NO];
  88     } else {
  89         [super setObjectValue:object];
  90     }
  91 }
  92
  93 @end
  94
  95 @interface PithosBrowserController (Private) {}
  96 - (void)resetContainers;
  97 @end
  98
  99 @implementation PithosBrowserController
 100 @synthesize outlineViewDataSourceArray, splitView, outlineView, browser;
 101
 102 #pragma mark -
 103 #pragma Object Lifecycle
 104
 105 - (id)init {
 106     return [super initWithWindowNibName:@"PithosBrowserController"];
 107 }
 108
 109 - (void)dealloc {
 110     [[NSNotificationCenter defaultCenter] removeObserver:self];
 111     [sharedPreviewController release];
 112     [outlineViewDataSourceArray release];
 113     [accountNode release];
 114     [rootNode release];
 115     [browser release];
 116     [splitView release];
 117     [outlineView release];
 118     [super dealloc];
 119 }
 120
 121 - (void)awakeFromNib {
 122     [browser setCellClass:[PithosBrowserCell class]];
 123 }
 124
 125 - (void)resetContainers {
 126     rootNode = nil;
 127     [browser loadColumnZero];
 128     self.outlineViewDataSourceArray = nil;
 129
 130     // Create the outlineView tree
 131     // CONTAINERS
 132         NSTreeNode *containersTreeNode = [NSTreeNode treeNodeWithRepresentedObject:
 133                             [[[PithosEmptyNode alloc] initWithDisplayName:@"CONTAINERS" icon:nil] autorelease]];
 134 //    // CONTAINERS/pithos
 135 //      [[containersTreeNode mutableChildNodes] addObject:
 136 //     [NSTreeNode treeNodeWithRepresentedObject:
 137 //      [[[PithosContainerNode alloc] initWithContainerName:@"pithos"
 138 //                                                     icon:[[NSWorkspace sharedWorkspace] iconForFileType:NSFileTypeForHFSTypeCode(kToolbarHomeIcon)]
 139 //        ] autorelease]]];
 140 //    // CONTAINERS/trash
 141 //      [[containersTreeNode mutableChildNodes] addObject:
 142 //     [NSTreeNode treeNodeWithRepresentedObject:
 143 //      [[[PithosContainerNode alloc] initWithContainerName:@"trash"
 144 //                                                     icon:[[NSWorkspace sharedWorkspace] iconForFileType:NSFileTypeForHFSTypeCode(kFullTrashIcon)]
 145 //        ] autorelease]]];
 146     // SHARED
 147         NSTreeNode *sharedTreeNode = [NSTreeNode treeNodeWithRepresentedObject:
 148                                       [[[PithosEmptyNode alloc] initWithDisplayName:@"SHARED" icon:nil] autorelease]];
 149     // SHARED/my shared
 150         [[sharedTreeNode mutableChildNodes] addObject:
 151      [NSTreeNode treeNodeWithRepresentedObject:
 152       [[[PithosEmptyNode alloc] initWithDisplayName:@"my shared"
 153                                                icon:[[NSWorkspace sharedWorkspace] iconForFileType:NSFileTypeForHFSTypeCode(kUserIcon)]
 154         ] autorelease]]];
 155     // SHARED/others shared
 156         [[sharedTreeNode mutableChildNodes] addObject:
 157      [NSTreeNode treeNodeWithRepresentedObject:
 158       [[[PithosEmptyNode alloc] initWithDisplayName:@"others shared"
 159                                                icon:[[NSWorkspace sharedWorkspace] iconForFileType:NSFileTypeForHFSTypeCode(kGroupIcon)]
 160         ] autorelease]]];
 161
 162     self.outlineViewDataSourceArray = [NSMutableArray arrayWithObjects:containersTreeNode, sharedTreeNode, nil];
 163
 164         // Expand the folder outline view
 165     [outlineView expandItem:nil expandChildren:YES];
 166         [outlineView selectRowIndexes:[NSIndexSet indexSetWithIndex:1] byExtendingSelection:NO];
 167
 168     // Create accountNode and trigger a refresh
 169     accountNode = [[PithosAccountNode alloc] init];
 170     accountNode.children;
 171 }
 172
 173 - (void)windowDidLoad {
 174     [[[outlineView tableColumns] objectAtIndex:0] setDataCell:[[[PithosOutlineViewCell alloc] init] autorelease]];
 175
 176     // Register for updates
 177     [[NSNotificationCenter defaultCenter] addObserver:self
 178                                              selector:@selector(pithosNodeChildrenUpdated:)
 179                                                  name:@"PithosContainerNodeChildrenUpdated"
 180                                                object:nil];
 181     [[NSNotificationCenter defaultCenter] addObserver:self
 182                                              selector:@selector(pithosNodeChildrenUpdated:)
 183                                                  name:@"PithosSubdirNodeChildrenUpdated"
 184                                                object:nil];
 185     [[NSNotificationCenter defaultCenter] addObserver:self
 186                                              selector:@selector(pithosAccountNodeChildrenUpdated:)
 187                                                  name:@"PithosAccountNodeChildrenUpdated"
 188                                                object:nil];
 189     [[NSNotificationCenter defaultCenter] addObserver:self
 190                                              selector:@selector(resetContainers)
 191                                                  name:@"PithosAuthenticationCredentialsUpdated"
 192                                                object:nil];
 193 }
 194
 195 #pragma mark -
 196 #pragma Observers
 197
 198 - (void)pithosNodeChildrenUpdated:(NSNotification *)notification {
 199     PithosNode *node = (PithosNode *)[notification object];
 200     NSInteger lastColumn = [browser lastColumn];
 201     for (NSInteger column = lastColumn; column >= 0; column--) {
 202         if ([[browser parentForItemsInColumn:column] isEqualTo:node]) {
 203             [browser reloadColumn:column];
 204             if ((column == lastColumn - 1) && ([[browser parentForItemsInColumn:lastColumn] isLeafItem])) {
 205                 // This reloads the preview column
 206                 [browser setLastColumn:column];
 207                 [browser addColumn];
 208             }
 209             return;
 210         }
 211     }
 212 }
 213
 214 - (void)pithosAccountNodeChildrenUpdated:(NSNotification *)notification {
 215     BOOL containerPithosFound = NO;
 216     BOOL containerTrashFound = NO;
 217     //NSMutableArray *containersTreeNodeChildren = [[outlineViewDataSourceArray objectAtIndex:0] mutableChildNodes];
 218     NSMutableArray *containersTreeNodeChildren = [NSMutableArray array];
 219     for (PithosContainerNode *containerNode in accountNode.children) {
 220         if ([containerNode.pithosContainer.name isEqualToString:@"pithos"]) {
 221             containerNode.icon = [[NSWorkspace sharedWorkspace] iconForFileType:NSFileTypeForHFSTypeCode(kToolbarHomeIcon)];
 222             [containersTreeNodeChildren insertObject:[NSTreeNode treeNodeWithRepresentedObject:containerNode] atIndex:0];
 223             containerPithosFound = YES;
 224         } else if ([containerNode.pithosContainer.name isEqualToString:@"trash"]) {
 225             containerNode.icon = [[NSWorkspace sharedWorkspace] iconForFileType:NSFileTypeForHFSTypeCode(kFullTrashIcon)];
 226             NSUInteger insertIndex = 1;
 227             if (!containerPithosFound)
 228                 insertIndex = 0;
 229             [containersTreeNodeChildren insertObject:[NSTreeNode treeNodeWithRepresentedObject:containerNode] atIndex:insertIndex];
 230             containerTrashFound = YES;
 231         } else {
 232             [containersTreeNodeChildren addObject:[NSTreeNode treeNodeWithRepresentedObject:containerNode]];
 233         }
 234     }
 235     BOOL refreshAccountNode = NO;
 236     if (!containerPithosFound) {
 237         // create pithos
 238         ASIPithosContainerRequest *containerRequest = [ASIPithosContainerRequest createOrUpdateContainerRequestWithContainerName:@"pithos"];
 239         [containerRequest startSynchronous];
 240         if ([containerRequest error]) {
 241             NSLog(@"error:%@", [containerRequest error]);
 242             // XXX do something on error
 243         } else {
 244             refreshAccountNode = YES;
 245         }
 246     }
 247     if (!containerTrashFound) {
 248         // create trash
 249         ASIPithosContainerRequest *containerRequest = [ASIPithosContainerRequest createOrUpdateContainerRequestWithContainerName:@"trash"];
 250         [containerRequest startSynchronous];
 251         if ([containerRequest error]) {
 252             NSLog(@"error:%@", [containerRequest error]);
 253             // XXX do something on error
 254         } else {
 255             refreshAccountNode = YES;
 256         }
 257     }
 258     if (refreshAccountNode) {
 259         [accountNode invalidateChildren];
 260         accountNode.children;
 261     } else {
 262         [[[outlineViewDataSourceArray objectAtIndex:0] mutableChildNodes] setArray:containersTreeNodeChildren];
 263         self.outlineViewDataSourceArray = outlineViewDataSourceArray;
 264
 265         // Expand the folder outline view
 266         [outlineView expandItem:nil expandChildren:YES];
 267         [outlineView selectRowIndexes:[NSIndexSet indexSetWithIndex:1] byExtendingSelection:NO];
 268     }
 269 }
 270
 271
 272 #pragma mark -
 273 #pragma Actions
 274
 275 - (IBAction)refresh:(id)sender {
 276     for (NSInteger column = [browser lastColumn]; column >= 0; column--) {
 277         [(PithosNode *)[browser parentForItemsInColumn:column] invalidateChildren];
 278     }
 279     [browser validateVisibleColumns];
 280 }
 281
 282 #pragma mark -
 283 #pragma NSBrowserDelegate
 284
 285 - (id)rootItemForBrowser:(NSBrowser *)browser {
 286     return rootNode;
 287 }
 288
 289 - (NSInteger)browser:(NSBrowser *)browser numberOfChildrenOfItem:(id)item {
 290     PithosNode *node = (PithosNode *)item;
 291     return node.children.count;
 292 }
 293
 294 - (id)browser:(NSBrowser *)browser child:(NSInteger)index ofItem:(id)item {
 295     PithosNode *node = (PithosNode *)item;
 296     return [node.children objectAtIndex:index];
 297 }
 298
 299 - (BOOL)browser:(NSBrowser *)browser isLeafItem:(id)item {
 300     PithosNode *node = (PithosNode *)item;
 301     return node.isLeafItem;
 302 }
 303
 304 - (id)browser:(NSBrowser *)browser objectValueForItem:(id)item {
 305     PithosNode *node = (PithosNode *)item;
 306     return node;
 307 }
 308
 309 - (NSViewController *)browser:(NSBrowser *)browser previewViewControllerForLeafItem:(id)item {
 310     if (sharedPreviewController == nil)
 311         sharedPreviewController = [[NSViewController alloc] initWithNibName:@"PithosBrowserPreviewController" bundle:[NSBundle bundleForClass:[self class]]];
 312     return sharedPreviewController;
 313 }
 314
 315 //- (CGFloat)browser:(NSBrowser *)browser shouldSizeColumn:(NSInteger)columnIndex forUserResize:(BOOL)forUserResize toWidth:(CGFloat)suggestedWidth  {
 316 //    if (!forUserResize) {
 317 //        id item = [browser parentForItemsInColumn:columnIndex];
 318 //        if ([self browser:browser isLeafItem:item]) {
 319 //            suggestedWidth = 200;
 320 //        }
 321 //    }
 322 //    return suggestedWidth;
 323 //}
 324
 325 - (BOOL)browser:(NSBrowser *)sender isColumnValid:(NSInteger)column {
 326     return NO;
 327 }
 328
 329 #pragma mark -
 330 #pragma NSSplitViewDelegate
 331
 332 - (CGFloat)splitView:(NSSplitView *)splitView constrainMinCoordinate:(CGFloat)proposedMinimumPosition ofSubviewAt:(NSInteger)dividerIndex {
 333     return 120;
 334 }
 335
 336 - (CGFloat)splitView:(NSSplitView *)splitView constrainMaxCoordinate:(CGFloat)proposedMaximumPosition ofSubviewAt:(NSInteger)dividerIndex {
 337     return 220;
 338 }
 339
 340 #pragma mark -
 341 #pragma mark NSOutlineViewDelegate
 342
 343 - (BOOL)outlineView:outlineView shouldSelectItem:(id)item {
 344     return ([[item representedObject] isLeaf]);
 345 }
 346
 347 - (BOOL)outlineView:(NSOutlineView *)outlineView isGroupItem:(id)item {
 348         return (![[item representedObject] isLeaf]);
 349 }
 350
 351 - (void)outlineViewSelectionDidChange:(NSNotification *)notification {
 352     PithosNode *node = [[[outlineView itemAtRow:[outlineView selectedRow]] representedObject] representedObject];
 353     if (node) {
 354         rootNode = node;
 355         [browser loadColumnZero];
 356     }
 357 }
 358
 359 @end