transmission/macosx/FileOutlineView.m

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/******************************************************************************
* $Id$
*
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* Copyright (c) 2007-2008 Transmission authors and contributors
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*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*****************************************************************************/
#import "FileOutlineView.h"
#import "FileNameCell.h"
#import "FilePriorityCell.h"
#import "Torrent.h"
#import "CTGradient.h"
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@implementation FileOutlineView
- (void) awakeFromNib
{
FileNameCell * nameCell = [[FileNameCell alloc] init];
[[self tableColumnWithIdentifier: @"Name"] setDataCell: nameCell];
[nameCell release];
FilePriorityCell * priorityCell = [[FilePriorityCell alloc] init];
[[self tableColumnWithIdentifier: @"Priority"] setDataCell: priorityCell];
[priorityCell release];
[self setAutoresizesOutlineColumn: NO];
[self setIndentationPerLevel: 14.0];
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NSColor * endingColor = [NSColor colorWithCalibratedRed: 217.0/255.0 green: 250.0/255.0 blue: 211.0/255.0 alpha: 1.0];
NSColor * beginningColor = [endingColor blendedColorWithFraction: 0.3 ofColor: [NSColor whiteColor]];
fHighPriorityGradient = [[CTGradient gradientWithBeginningColor: beginningColor endingColor: endingColor] retain];
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endingColor = [NSColor colorWithCalibratedRed: 255.0/255.0 green: 243.0/255.0 blue: 206.0/255.0 alpha: 1.0];
beginningColor = [endingColor blendedColorWithFraction: 0.3 ofColor: [NSColor whiteColor]];
fLowPriorityGradient = [[CTGradient gradientWithBeginningColor: beginningColor endingColor: endingColor] retain];
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endingColor = [NSColor colorWithCalibratedRed: 225.0/255.0 green: 218.0/255.0 blue: 255.0/255.0 alpha: 1.0];
beginningColor = [endingColor blendedColorWithFraction: 0.3 ofColor: [NSColor whiteColor]];
fMixedPriorityGradient = [[CTGradient gradientWithBeginningColor: beginningColor endingColor: endingColor] retain];
fMouseRow = -1;
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}
- (void) dealloc
{
[fHighPriorityGradient release];
[fLowPriorityGradient release];
[fMixedPriorityGradient release];
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[fMouseCell release];
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[super dealloc];
}
- (void) setTorrent: (Torrent *) torrent
{
fTorrent = torrent;
}
- (Torrent *) torrent
{
return fTorrent;
}
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- (void) mouseDown: (NSEvent *) event
{
[[self window] makeKeyWindow];
[super mouseDown: event];
}
- (NSMenu *) menuForEvent: (NSEvent *) event
{
int row = [self rowAtPoint: [self convertPoint: [event locationInWindow] fromView: nil]];
if (row >= 0)
{
if (![self isRowSelected: row])
[self selectRowIndexes: [NSIndexSet indexSetWithIndex: row] byExtendingSelection: NO];
}
else
[self deselectAll: self];
return [self menu];
}
- (void) updateTrackingAreas
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{
[super updateTrackingAreas];
NSEnumerator * enumerator = [[self trackingAreas] objectEnumerator];
NSTrackingArea * area;
while ((area = [enumerator nextObject]))
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{
if ([area owner] == self && [[area userInfo] objectForKey: @"Row"])
[self removeTrackingArea: area];
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}
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NSRange visibleRows = [self rowsInRect: [self visibleRect]];
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if (visibleRows.length == 0)
return;
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int col = [self columnWithIdentifier: @"Priority"];
NSPoint mouseLocation = [self convertPoint: [[self window] convertScreenToBase: [NSEvent mouseLocation]] fromView: nil];
int row;
for (row = visibleRows.location; row < NSMaxRange(visibleRows); row++)
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{
FilePriorityCell * cell = (FilePriorityCell *)[self preparedCellAtColumn: col row: row];
NSDictionary * userInfo = [NSDictionary dictionaryWithObject: [NSNumber numberWithInt: row] forKey: @"Row"];
[cell addTrackingAreasForView: self inRect: [self frameOfCellAtColumn: col row: row] withUserInfo: userInfo
mouseLocation: mouseLocation];
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}
}
- (void) mouseEntered: (NSEvent *) event
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{
NSNumber * row;
if ((row = [(NSDictionary *)[event userData] objectForKey: @"Row"]))
{
int rowVal = [row intValue];
FilePriorityCell * cell = (FilePriorityCell *)[self preparedCellAtColumn: [self columnWithIdentifier: @"Priority"] row: rowVal];
if (fMouseCell != cell)
{
[fMouseCell release];
fMouseRow = rowVal;
fMouseCell = [cell copy];
[fMouseCell setControlView: self];
[fMouseCell mouseEntered: event];
[fMouseCell setRepresentedObject: [cell representedObject]];
}
}
}
- (void) mouseExited: (NSEvent *) event
{
NSNumber * row;
if ((row = [(NSDictionary *)[event userData] objectForKey: @"Row"]))
{
FilePriorityCell * cell = (FilePriorityCell *)[self preparedCellAtColumn: [self columnWithIdentifier: @"Priority"]
row: [row intValue]];
[cell setControlView: self];
[cell mouseExited: event];
[fMouseCell release];
fMouseCell = nil;
fMouseRow = -1;
}
}
- (NSCell *) preparedCellAtColumn: (NSInteger) column row: (NSInteger) row
{
if (![self selectedCell] && row == fMouseRow && column == [self columnWithIdentifier: @"Priority"])
return fMouseCell;
else
return [super preparedCellAtColumn: column row: row];
}
- (void) updateCell: (NSCell *) cell
{
if (cell == fMouseCell)
[self setNeedsDisplayInRect: [self frameOfCellAtColumn: [self columnWithIdentifier: @"Priority"] row: fMouseRow]];
else
[super updateCell: cell];
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}
- (void) drawRow: (int) row clipRect: (NSRect) clipRect
{
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if (![self isRowSelected: row])
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{
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NSDictionary * item = [self itemAtRow: row];
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NSIndexSet * indexes = [item objectForKey: @"Indexes"];
if ([fTorrent checkForFiles: indexes] != NSOffState)
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{
CTGradient * gradient = nil;
NSSet * priorities = [fTorrent filePrioritiesForIndexes: indexes];
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int count = [priorities count];
if (count == 1)
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{
switch ([[priorities anyObject] intValue])
{
case TR_PRI_LOW:
gradient = fLowPriorityGradient;
break;
case TR_PRI_HIGH:
gradient = fHighPriorityGradient;
break;
}
}
else if (count > 1)
gradient = fMixedPriorityGradient;
else;
if (gradient)
{
NSRect rect = [self rectOfRow: row];
rect.size.height -= 1.0;
[gradient fillRect: rect angle: 90];
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}
}
}
[super drawRow: row clipRect: clipRect];
}
@end