summaryrefslogtreecommitdiff
path: root/src/frontend/displaywindow/cmodulechooserbar.cpp
blob: 2e478517cb4165abea46bc5f5210db4291187262 (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
/*********
*
* This file is part of BibleTime's source code, http://www.bibletime.info/.
*
* Copyright 1999-2008 by the BibleTime developers.
* The BibleTime source code is licensed under the GNU General Public License version 2.0.
*
**********/

#include "cmodulechooserbar.h"

#include "cmodulechooserbutton.h"

#include <QList>
#include <QDebug>
#include <QAction>
#include <QToolBar>

CModuleChooserBar::CModuleChooserBar(QList<CSwordModuleInfo*> useModules, CSwordModuleInfo::ModuleType type, QWidget *parent)
        : QToolBar(parent),
        m_moduleType(type),
        m_idCounter(0),
        m_buttonLimit(-1) { //-1 means no limit
    setAllowedAreas(Qt::TopToolBarArea);
    setFloatable(false);
    //insert buttons if useModules != 0
    QList<CSwordModuleInfo*>::iterator end_it = useModules.end();
    for (QList<CSwordModuleInfo*>::iterator it(useModules.begin()); it != end_it; ++it) {
        if ((m_buttonLimit != -1) && ( m_buttonLimit <= (int)m_buttonList.count()) ) { //we reached the button limit
            break;
        }
        addButton( *it );
    }

    // We can add a button to choose an additional module
    if ( (m_buttonLimit == -1) || (m_buttonLimit > (int)m_buttonList.count()) ) {
        addButton(0); //add a button without module set
    }
}

CModuleChooserButton* CModuleChooserBar::addButton( CSwordModuleInfo* const module ) {
    CModuleChooserButton* b = new CModuleChooserButton(module, m_moduleType, ++m_idCounter, this);
    QAction* a = addWidget(b);
    m_buttonList.append(b);
    connect( b, SIGNAL(sigAddButton()), this, SLOT(addButton()) );
    connect( b, SIGNAL(sigRemoveButton(const int)), this, SLOT(removeButton(const int)) );
    connect( b, SIGNAL(sigChanged()), SIGNAL(sigChanged()) );
    connect( b, SIGNAL(sigChanged()), SLOT(updateMenuItems()) );
    a->setVisible(true);
    updateMenuItems(); //make sure the items are up to date with the newest module list
    return b;
}

void CModuleChooserBar::addButton( ) {
    addButton(0);
}

//change current with next and remove
/** Removes a button from the toolbar */
void CModuleChooserBar::removeButton( const int ID ) {
    QMutableListIterator<CModuleChooserButton*> it(m_buttonList);
    while (it.hasNext()) {
        CModuleChooserButton* b = it.next();
        if (b->getId() == ID) { //found the right button to remove
            it.remove();
            b->deleteLater();
            break;
        }
    }
    emit sigChanged();
    updateMenuItems(); //make sure the items are up to date with the newest module list
}

/** Returns a list of selected modules. */
QList<CSwordModuleInfo*> CModuleChooserBar::getModuleList() {
    QList<CSwordModuleInfo*> list;
    foreach (CModuleChooserButton* b, m_buttonList) {
        if (b->module()) list.append( b->module() );
    }
    return list;
}

//change current with remove
/** Sets the number of the maximum count of buttons. */
void CModuleChooserBar::setButtonLimit(const int limit) {
    m_buttonLimit = limit;
    if (limit == -1) //no need to delete buttons
        return;

    const int tooMuch = m_buttonList.size() - limit;
    for (int i = 0; i < tooMuch; ++i) {
        CModuleChooserButton* b = m_buttonList.takeLast();
        b->deleteLater();
    }

    updateMenuItems();
}

/** Sets the modules which are chosen in this module chooser bar. */
void CModuleChooserBar::setModules( QList<CSwordModuleInfo*> useModules ) {
    setButtonLimit(0);
    setButtonLimit(-1);  //these two lines clear the bar

    if (!useModules.count()) return;

    QList<CSwordModuleInfo*>::iterator end_it = useModules.end();
    for (QList<CSwordModuleInfo*>::iterator it(useModules.begin()); it != end_it; ++it) {
        if ( (m_buttonLimit != -1) && (m_buttonLimit <= (int)m_buttonList.count()) ) {
            break;
        }
        addButton( *it );
    }

    if ( (m_buttonLimit == -1) || (m_buttonLimit > (int)m_buttonList.count()) ) {
        addButton(0);//add button without module set
    }

    updateMenuItems();
}

void CModuleChooserBar::updateMenuItems() {
    resize(sizeHint());
    update(); //seems to be neccessary to enforce display of the layout changes when a button was removed or added
    foreach (CModuleChooserButton* b, m_buttonList)
    b->updateMenuItems();
}