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Diffstat (limited to 'Source/SPTextAndLinkCell.m')
| -rw-r--r-- | Source/SPTextAndLinkCell.m | 202 |
1 files changed, 202 insertions, 0 deletions
diff --git a/Source/SPTextAndLinkCell.m b/Source/SPTextAndLinkCell.m new file mode 100644 index 00000000..2a57c8b3 --- /dev/null +++ b/Source/SPTextAndLinkCell.m @@ -0,0 +1,202 @@ +// +// $Id: SPTextAndLinkCell.m 866 2009-06-15 16:05:54Z bibiko $ +// +// SPTextAndLinkCell.m +// sequel-pro +// +// Created by Rowan Beentje on 16/07/2009. +// With thanks to Brian Dunagan ( http://www.bdunagan.com/ ) for original approach +// +// This program is free software; you can redistribute it and/or modify +// it under the terms of the GNU General Public License as published by +// the Free Software Foundation; either version 2 of the License, or +// (at your option) any later version. +// +// This program is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +// GNU General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this program; if not, write to the Free Software +// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +// +// More info at <http://code.google.com/p/sequel-pro/> + +#import "SPTextAndLinkCell.h" + + +@implementation SPTextAndLinkCell + +#pragma mark - +#pragma mark Setup and teardown + +/** + * Initialise + */ +- (id) initWithCoder:(NSCoder *)coder +{ + self = [super initWithCoder:coder]; + if (self) { + hasLink = NO; + linkButton = nil; + linkTarget = nil; + drawState = SP_LINKDRAWSTATE_NORMAL; + + lastLinkColumn = NSNotFound; + lastLinkRow = NSNotFound; + } + return self; +} + +/** + * Deallocate + */ +- (void) dealloc +{ + if (linkButton) [linkButton release]; + + [super dealloc]; +} + +/** + * Encodes using a given receiver. + */ +- (void) encodeWithCoder:(NSCoder *)coder +{ + [super encodeWithCoder:coder]; +} + +/** + * Returns a new instance which is a copy of the receiver + */ +- (id) copyWithZone:(NSZone *)zone { + SPTextAndLinkCell *copy = [super copyWithZone:zone]; + if (linkButton) copy->linkButton = [linkButton copyWithZone:zone]; + return copy; +} + + +#pragma mark - +#pragma mark Enabling link functionality + +/** + * Set the link target and action - this also enables the link + * arrow within the cell. + */ +- (void) setTarget:(id)theTarget action:(SEL)theAction +{ + linkTarget = theTarget; + linkAction = theAction; + + if (!hasLink) { + hasLink = YES; + + linkButton = [[NSButtonCell alloc] init]; + [linkButton setButtonType:NSMomentaryChangeButton]; + [linkButton setImagePosition:NSImageRight]; + [linkButton setTitle:@""]; + [linkButton setBordered:NO]; + [linkButton setShowsBorderOnlyWhileMouseInside:YES]; + [linkButton setImage:[NSImage imageNamed:@"link-arrow"]]; + } +} + +#pragma mark - +#pragma mark Drawing and interaction + +/** + * Redraw the table cell, altering super draw behavior to leave space + * for the link if necessary. + */ +- (void)drawInteriorWithFrame:(NSRect)aRect inView:(NSView *)controlView +{ + + // Fast case for no arrow + if (!hasLink) { + [super drawInteriorWithFrame:aRect inView:controlView]; + return; + } + + // Set up new rects + NSRect textRect = NSMakeRect(aRect.origin.x, aRect.origin.y, aRect.size.width - 18, aRect.size.height); + linkRect = NSMakeRect(aRect.origin.x + aRect.size.width - 15, aRect.origin.y - 1, 12, aRect.size.height); + + // Draw the text + [super drawInteriorWithFrame:textRect inView:controlView]; + + // Get the new link state + int newDrawState = ([self isHighlighted])? + ((([(NSTableView *)[self controlView] editedColumn] != -1 + || [[[self controlView] window] firstResponder] == [self controlView]) + && [[[self controlView] window] isKeyWindow])?SP_LINKDRAWSTATE_HIGHLIGHT:SP_LINKDRAWSTATE_BACKGROUNDHIGHLIGHT): + SP_LINKDRAWSTATE_NORMAL; + + // Update the link arrow style if the state has changed + if (drawState != newDrawState) { + drawState = newDrawState; + switch (drawState) { + case SP_LINKDRAWSTATE_NORMAL: + [linkButton setImage:[NSImage imageNamed:@"link-arrow"]]; + break; + case SP_LINKDRAWSTATE_HIGHLIGHT: + [linkButton setImage:[NSImage imageNamed:@"link-arrow-highlighted"]]; + break; + case SP_LINKDRAWSTATE_BACKGROUNDHIGHLIGHT: + [linkButton setImage:[NSImage imageNamed:@"link-arrow-clicked"]]; + break; + } + } + + [linkButton drawInteriorWithFrame:linkRect inView:controlView]; +} + +/** + * Allow hit tracking for link functionality + */ +- (NSUInteger) hitTestForEvent:(NSEvent *)event inRect:(NSRect)cellFrame ofView:(NSView *)controlView +{ + + // Fast case for no link - make entire cell editable click area + if (!hasLink) return NSCellHitContentArea | NSCellHitEditableTextArea; + + NSPoint p = [[[NSApp mainWindow] contentView] convertPoint:[event locationInWindow] toView:controlView]; + + // Hit the link if it falls within the link rectangle for this cell, set when drawing + if (p.x > linkRect.origin.x && p.x < (linkRect.origin.x + linkRect.size.width)) { + + // Capture the clicked row and cell + NSTableView *tableView = (NSTableView *)[self controlView]; + p = [[[NSApp mainWindow] contentView] convertPoint:[event locationInWindow] toView:tableView]; + lastLinkColumn = [tableView columnAtPoint:p]; + lastLinkRow = [tableView rowAtPoint:p]; + + [linkTarget performSelector:linkAction withObject:self]; + return NSCellHitContentArea; + + // Otherwise return an editable hit - this allows the entire cell to be clicked to edit the contents. + } else { + return NSCellHitContentArea | NSCellHitEditableTextArea; + } +} + +#pragma mark - +#pragma mark Information getters + +/** + * Retrieve the last column that recorded a click with the link cell + */ +- (int) getClickedColumn +{ + return lastLinkColumn; +} + +/** + * Retrieve the last row that recorded a click with the link cell + */ +- (int) getClickedRow +{ + return lastLinkRow; +} + +@end |