aboutsummaryrefslogtreecommitdiff
path: root/gui/browser.cpp
blob: af935c3c0b3c1af111d748d82d142f3ea0e9352d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
/* ScummVM - Scumm Interpreter
 * Copyright (C) 2002-2003 The ScummVM project
 *
 * 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.
 *
 * $Header$
 */

#include "stdafx.h"
#include "browser.h"
#include "newgui.h"
#include "ListWidget.h"

#include "backends/fs/fs.h"

/* We want to use this as a general directory selector at some point... possible uses
 * - to select the data dir for a game
 * - to select the place where save games are stored
 * - others???
 */

enum {
	kChooseCmd = 'Chos',
	kGoUpCmd = 'GoUp'
};

BrowserDialog::BrowserDialog(NewGui *gui, const char *title)
	: Dialog(gui, 20, 10, 320 -2 * 20, 200 - 2 * 10),
	  _node(0), _nodeContent(0) {

	_fileList = NULL;
	_currentPath = NULL;
	_node = NULL;
	_nodeContent = NULL;
	_choice = NULL;

	// Headline - TODO: should be customizable during creation time
	new StaticTextWidget(this, 10, 8, _w-2 * 10, kLineHeight, title, kTextAlignCenter);

	// Current path - TODO: handle long paths ?
	_currentPath = new StaticTextWidget(this, 10, 20, _w - 2 * 10, kLineHeight,
								"DUMMY", kTextAlignLeft);

	// Add file list
	_fileList = new ListWidget(this, 10, 34, _w - 2 * 10, _h - 34 - 24 - 10);
	_fileList->setNumberingMode(kListNumberingOff);

	// Buttons
	addButton(10, _h - 24, "Go up", kGoUpCmd, 0);
	addButton(_w-2 * (kButtonWidth+10), _h - 24, "Cancel", kCloseCmd, 0);
	addButton(_w-(kButtonWidth+10), _h-24, "Choose", kChooseCmd, 0);
}

BrowserDialog::~BrowserDialog() {
	delete _node;
	delete _nodeContent;
	delete _choice;
}

void BrowserDialog::open() {
	// If no node has been set, or the last used one is now invalid,
	// go back to the root/default dir.
	if (_node == NULL || !_node->isValid()) {
		delete _node;
		_node = FilesystemNode::getRoot();
		assert(_node != NULL);
	}

	// Alway refresh file list
	updateListing();

	// Nothing chosen by default
	delete _choice;
	_choice = 0;
	
	// Call super implementation
	Dialog::open();
}

void BrowserDialog::close() {
	delete _nodeContent;
	_nodeContent = 0;

	// Call super implementation
	Dialog::close();
}

void BrowserDialog::handleCommand(CommandSender *sender, uint32 cmd, uint32 data) {
	FilesystemNode *tmp;
	
	switch (cmd) {
	case kChooseCmd: {
			// If nothing is selected in the list widget, choose the current dir.
			// Else, choose the dir that is selected.
			int selection = _fileList->getSelected();
			if (selection >= 0) {
				_choice = (*_nodeContent)[selection].clone();
			} else {
				_choice = _node->clone();
			}
			setResult(1);
			close();
		}
		break;
	case kGoUpCmd:
		tmp = _node->parent();
		delete _node;
		_node = tmp;
		updateListing();
		break;
	case kListItemDoubleClickedCmd:
		tmp = (*_nodeContent)[data].clone();
		delete _node;
		_node = tmp;
		updateListing();
		break;
	default:
		Dialog::handleCommand(sender, cmd, data);
	}
}

void BrowserDialog::updateListing() {
	assert(_node != NULL);

	// Update the path display
	_currentPath->setLabel(_node->path());

	// Read in the data from the file system
	delete _nodeContent;
	_nodeContent = _node->listDir();
	assert(_nodeContent != NULL);

	// Populate the ListWidget
	Common::StringList list;
	int size = _nodeContent->size();
	for (int i = 0; i < size; i++) {
		list.push_back((*_nodeContent)[i].displayName());
	}
	_fileList->setList(list);
	_fileList->scrollTo(0);
	
	// Finally, redraw
	draw();
}