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3 ** Copyright (C) 2016 The Qt Company Ltd.
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6 ** This file is part of the Qt Designer of the Qt Toolkit.
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28
29 #include "orderdialog_p.h"
30 #include "iconloader_p.h"
31 #include "ui_orderdialog.h"
32
33 #include <QtDesigner/qextensionmanager.h>
34 #include <QtDesigner/abstractformeditor.h>
35 #include <QtDesigner/container.h>
36 #include <QtCore/qabstractitemmodel.h>
37 #include <QtWidgets/qpushbutton.h>
38
39 QT_BEGIN_NAMESPACE
40
41 // OrderDialog: Used to reorder the pages of QStackedWidget and QToolBox.
42 // Provides up and down buttons as well as DnD via QAbstractItemView::InternalMove mode
43 namespace qdesigner_internal {
44
OrderDialog(QWidget * parent)45 OrderDialog::OrderDialog(QWidget *parent) :
46 QDialog(parent),
47 m_ui(new Ui::OrderDialog),
48 m_format(PageOrderFormat)
49 {
50 m_ui->setupUi(this);
51 setWindowFlags(windowFlags() & ~Qt::WindowContextHelpButtonHint);
52 m_ui->upButton->setIcon(createIconSet(QString::fromUtf8("up.png")));
53 m_ui->downButton->setIcon(createIconSet(QString::fromUtf8("down.png")));
54 m_ui->buttonBox->button(QDialogButtonBox::Ok)->setDefault(true);
55 connect(m_ui->buttonBox->button(QDialogButtonBox::Reset), &QAbstractButton::clicked,
56 this, &OrderDialog::slotReset);
57 // Catch the remove operation of a DnD operation in QAbstractItemView::InternalMove mode to enable buttons
58 // Selection mode is 'contiguous' to enable DnD of groups
59 connect(m_ui->pageList->model(), &QAbstractItemModel::rowsRemoved,
60 this, &OrderDialog::slotEnableButtonsAfterDnD);
61
62 m_ui->upButton->setEnabled(false);
63 m_ui->downButton->setEnabled(false);
64 }
65
~OrderDialog()66 OrderDialog::~OrderDialog()
67 {
68 delete m_ui;
69 }
70
setDescription(const QString & d)71 void OrderDialog::setDescription(const QString &d)
72 {
73 m_ui->groupBox->setTitle(d);
74 }
75
setPageList(const QWidgetList & pages)76 void OrderDialog::setPageList(const QWidgetList &pages)
77 {
78 // The QWidget* are stored in a map indexed by the old index.
79 // The old index is set as user data on the item instead of the QWidget*
80 // because DnD is enabled which requires the user data to serializable
81 m_orderMap.clear();
82 const int count = pages.count();
83 for (int i=0; i < count; ++i)
84 m_orderMap.insert(i, pages.at(i));
85 buildList();
86 }
87
buildList()88 void OrderDialog::buildList()
89 {
90 m_ui->pageList->clear();
91 const OrderMap::const_iterator cend = m_orderMap.constEnd();
92 for (OrderMap::const_iterator it = m_orderMap.constBegin(); it != cend; ++it) {
93 QListWidgetItem *item = new QListWidgetItem();
94 const int index = it.key();
95 switch (m_format) {
96 case PageOrderFormat:
97 item->setText(tr("Index %1 (%2)").arg(index).arg(it.value()->objectName()));
98 break;
99 case TabOrderFormat:
100 item->setText(tr("%1 %2").arg(index+1).arg(it.value()->objectName()));
101 break;
102 }
103 item->setData(Qt::UserRole, QVariant(index));
104 m_ui->pageList->addItem(item);
105 }
106
107 if (m_ui->pageList->count() > 0)
108 m_ui->pageList->setCurrentRow(0);
109 }
110
slotReset()111 void OrderDialog::slotReset()
112 {
113 buildList();
114 }
115
pageList() const116 QWidgetList OrderDialog::pageList() const
117 {
118 QWidgetList rc;
119 const int count = m_ui->pageList->count();
120 for (int i=0; i < count; ++i) {
121 const int oldIndex = m_ui->pageList->item(i)->data(Qt::UserRole).toInt();
122 rc.append(m_orderMap.value(oldIndex));
123 }
124 return rc;
125 }
126
on_upButton_clicked()127 void OrderDialog::on_upButton_clicked()
128 {
129 const int row = m_ui->pageList->currentRow();
130 if (row <= 0)
131 return;
132
133 m_ui->pageList->insertItem(row - 1, m_ui->pageList->takeItem(row));
134 m_ui->pageList->setCurrentRow(row - 1);
135 }
136
on_downButton_clicked()137 void OrderDialog::on_downButton_clicked()
138 {
139 const int row = m_ui->pageList->currentRow();
140 if (row == -1 || row == m_ui->pageList->count() - 1)
141 return;
142
143 m_ui->pageList->insertItem(row + 1, m_ui->pageList->takeItem(row));
144 m_ui->pageList->setCurrentRow(row + 1);
145 }
146
slotEnableButtonsAfterDnD()147 void OrderDialog::slotEnableButtonsAfterDnD()
148 {
149 enableButtons(m_ui->pageList->currentRow());
150 }
151
on_pageList_currentRowChanged(int r)152 void OrderDialog::on_pageList_currentRowChanged(int r)
153 {
154 enableButtons(r);
155 }
156
enableButtons(int r)157 void OrderDialog::enableButtons(int r)
158 {
159 m_ui->upButton->setEnabled(r > 0);
160 m_ui->downButton->setEnabled(r >= 0 && r < m_ui->pageList->count() - 1);
161 }
162
pagesOfContainer(const QDesignerFormEditorInterface * core,QWidget * container)163 QWidgetList OrderDialog::pagesOfContainer(const QDesignerFormEditorInterface *core, QWidget *container)
164 {
165 QWidgetList rc;
166 if (QDesignerContainerExtension* ce = qt_extension<QDesignerContainerExtension*>(core->extensionManager(), container)) {
167 const int count = ce->count();
168 for (int i = 0; i < count ;i ++)
169 rc.push_back(ce->widget(i));
170 }
171 return rc;
172 }
173
174 }
175
176 QT_END_NAMESPACE
177