зеркало из https://github.com/mozilla/pjs.git
94 строки
2.4 KiB
Plaintext
94 строки
2.4 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Mozilla Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is the Mozilla browser.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 2002 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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* David Hyatt <hyatt@netscape.com> (Original Author)
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*/
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#import "CHExtendedOutlineView.h"
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@implementation CHExtendedOutlineView
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- (id)initWithFrame:(NSRect)frame {
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if ( (self = [super initWithFrame:frame]) ) {
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mDeleteAction = 0;
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}
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return self;
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}
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-(void)setDeleteAction: (SEL)aDeleteAction
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{
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mDeleteAction = aDeleteAction;
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}
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-(SEL)deleteAction
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{
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return mDeleteAction;
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}
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int kReturnKeyCode = 0x24;
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int kDeleteKeyCode = 0x33;
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int kLeftArrowKeyCode = 0x7B;
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int kRightArrowKeyCode = 0x7C;
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-(void)keyDown:(NSEvent*)aEvent
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{
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// Check for a certain set of special keys.
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//NSDeleteFunctionKey
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if ([aEvent keyCode] == kDeleteKeyCode) {
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if (mDeleteAction)
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[NSApp sendAction: mDeleteAction to: [self target] from: self];
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return;
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}
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else if ([aEvent keyCode] == kReturnKeyCode) {
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// Override return to keep the goofy inline editing
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// from happening.
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if ([self numberOfSelectedRows] == 1)
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[NSApp sendAction: [self doubleAction] to: [self target] from: self];
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return;
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}
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else if ([aEvent keyCode] == kLeftArrowKeyCode ||
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[aEvent keyCode] == kRightArrowKeyCode)
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{
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BOOL expand = ([aEvent keyCode] == kRightArrowKeyCode);
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if ([self numberOfSelectedRows] == 1) {
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int index = [self selectedRow];
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if (index == -1)
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return;
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id item = [self itemAtRow: index];
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if (!item)
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return;
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if (![self isExpandable: item])
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return;
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if (![self isItemExpanded: item] && expand)
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[self expandItem: item];
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else if ([self isItemExpanded: item] && !expand)
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[self collapseItem: item];
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}
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}
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return [super keyDown: aEvent];
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}
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@end
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