1 files changed, 158 insertions, 0 deletions
diff --git a/Liaison/ViewOptionsController.m b/Liaison/ViewOptionsController.m
new file mode 100644
index 0000000..21f4c47
--- /dev/null
+++ b/Liaison/ViewOptionsController.m
@@ -0,0 +1,158 @@
+#import "ViewOptionsController.h"
+
+#import "FileTableDelegate.h"
+
+@implementation ViewOptionsController
+- (id)init
+{
+    self = [super init];
+
+    theShownColumns = [[NSMutableArray alloc] init];
+
+    return self;
+}
+
+- (void)dealloc
+{
+    [theShownColumns release];
+    [super dealloc];
+}
+
+- (void)toggledButton: (id)sender
+{
+    NSButtonCell *senderCell;
+    NSMutableArray *colOrder;
+    NSMutableDictionary *listPrefs;
+    NSString *colID;
+
+    senderCell = [sender selectedCell];
+    listPrefs = [theFileDelegate listPrefs];
+    colOrder = [listPrefs objectForKey: @"columnOrder"];
+    colID = [theShownColumns objectAtIndex: [senderCell tag]];
+    if (colID != nil) {
+        if ([senderCell state] == 1) {
+            [theFileDelegate showColumnWithIdentifier: colID];
+            [colOrder addObject: colID];
+        } else {
+            [theFileDelegate removeColumnWithIdentifier: colID];
+            [colOrder removeObject: colID];
+        }
+    }
+
+    [theFileDelegate setListPrefs: listPrefs];
+}
+
+- (void)sizeWindowToFit
+{
+    NSRect contentRect, headerRect, windowFrame, oldWindowFrame;
+
+    oldWindowFrame = [NSWindow contentRectForFrameRect: [theWindow frame]
+                                             styleMask: [theWindow styleMask]];
+
+    [layoutMatrix sizeToCells];
+    contentRect = [theContentView frame];
+    contentRect.size = [layoutMatrix bounds].size;
+    headerRect = [theHeaderField frame];
+    
+    windowFrame.origin = oldWindowFrame.origin;
+    windowFrame.size.width = MAX(2*contentRect.origin.x + contentRect.size.width,
+                                 headerRect.origin.x + headerRect.size.width + 20);
+    windowFrame.size.height = headerRect.size.height + contentRect.size.height;
+    windowFrame = [NSWindow frameRectForContentRect: windowFrame
+                                          styleMask: [theWindow styleMask]];
+    [theWindow setFrame: windowFrame display: YES animate: NO];
+
+    [theHeaderField setFrameOrigin:
+        NSMakePoint(headerRect.origin.x, contentRect.size.height)];
+    [theContentView setFrame: contentRect];
+}
+
+- (IBAction)showWindow: (id)sender
+{
+    NSDictionary *browserColumns;
+    NSEnumerator *columnEnum;
+    NSMutableArray *optionCol;
+    NSString *identifier;
+    NSRect tmpRect;
+    unsigned int numRows;
+    int cellTag;
+
+    layoutMatrix = [[NSMatrix alloc] initWithFrame: NSMakeRect(0.0, 0.0, 0.0, 0.0)];
+    [layoutMatrix autorelease];
+    [layoutMatrix setMode: NSTrackModeMatrix];
+    [layoutMatrix setCellSize: NSMakeSize(100.0, 20.0)];
+    [layoutMatrix setDrawsBackground: YES];
+
+    cellTag = 0;
+    browserColumns = [theFileDelegate browserColumns];
+    numRows = ceil(sqrt([browserColumns count]));
+    optionCol = [NSMutableArray array];
+    columnEnum = [browserColumns keyEnumerator];
+    while ((identifier = [columnEnum nextObject]) != nil) {
+        LiBrowserColumn *col;
+
+        col = [theFileDelegate columnForIdentifier: identifier];
+        if (col != nil) {
+            NSButtonCell *checkBox;
+            NSTableColumn *tableCol;
+            BOOL checked;
+
+            tableCol = [[theFileDelegate tableView] tableColumnWithIdentifier: identifier];
+            if (tableCol == nil)
+                checked = 0;
+            else
+                checked = 1;
+
+            checkBox = [[[NSButtonCell alloc] init] autorelease];
+            [checkBox setButtonType: NSSwitchButton];
+            [checkBox setTitle: [col name]];
+            [checkBox setTag: cellTag];
+            [checkBox setTarget: self];
+            [checkBox setAction: @selector(toggledButton:)];
+            [checkBox setState: checked];
+
+            [theShownColumns addObject: identifier];
+
+            [optionCol addObject: checkBox];
+            if ([optionCol count] == numRows) {
+                if ([layoutMatrix numberOfColumns] == 0) {
+                    unsigned int j;
+
+                    [layoutMatrix addColumn];
+                    for (j = [layoutMatrix numberOfRows]; j < numRows; j++) {
+                        [layoutMatrix addRowWithCells:
+                            [NSArray arrayWithObject: [optionCol objectAtIndex: j]]];
+                    }
+                    [layoutMatrix putCell: [optionCol objectAtIndex: 0]
+                                    atRow: 0 column: 0];
+                } else {
+                    [layoutMatrix addColumnWithCells: optionCol];
+                }
+                [optionCol removeAllObjects];
+            }
+        }
+
+        cellTag++;
+    }
+
+    if ([optionCol count] > 0) {
+        while ([optionCol count] < numRows)
+            [optionCol addObject: [[[NSCell alloc] init] autorelease]];
+
+        [layoutMatrix addColumnWithCells: optionCol];
+    }
+
+    tmpRect = [layoutMatrix bounds];
+    [theContentView setFrameSize: tmpRect.size];
+    [theContentView addSubview: layoutMatrix];
+    [self sizeWindowToFit];
+
+    [theWindow makeKeyAndOrderFront: self];
+}
+@synthesize theShownColumns;
+@synthesize theFileDelegate;
+@synthesize theWindow;
+@synthesize theContentView;
+@synthesize theHeaderField;
+@synthesize layoutMatrix;
+@end