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Code Issues Releases Activity

LP-286 get TreeItem using data() method instead of internalPointer() method

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not only it is not legal to use internalPointer() outside of the model class
but it also requires to do nasty index juggling when using a proxy model
This commit is contained in:
Philippe Renon 2016-04-23 18:06:41 +02:00 committed by Mateusz Kaduk
parent 0f339dfef0
commit 8db244b30a
3 changed files with 20 additions and 41 deletions
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34
ground/gcs/src/plugins/uavobjectbrowser/browseritemdelegate.cpp
View File

@ -30,53 +30,45 @@
#include "browseritemdelegate.h"
#include "fieldtreeitem.h"
BrowserItemDelegate::BrowserItemDelegate(TreeSortFilterProxyModel *proxyModel, QObject *parent) :
BrowserItemDelegate::BrowserItemDelegate(QObject *parent) :
QStyledItemDelegate(parent)
{
this->proxyModel = proxyModel;
}
{}
QWidget *BrowserItemDelegate::createEditor(QWidget *parent,
const QStyleOptionViewItem & option,
const QModelIndex & proxyIndex) const
const QModelIndex & index) const
{
Q_UNUSED(option)
QModelIndex index = proxyModel->mapToSource(proxyIndex);
FieldTreeItem *item = static_cast<FieldTreeItem *>(index.internalPointer());
QWidget *editor = item->createEditor(parent);
FieldTreeItem * item = static_cast<FieldTreeItem *>(index.data(Qt::UserRole).value<void *>());
QWidget *editor = item->createEditor(parent);
Q_ASSERT(editor);
return editor;
}
void BrowserItemDelegate::setEditorData(QWidget *editor,
const QModelIndex & proxyIndex) const
const QModelIndex & index) const
{
QModelIndex index = proxyModel->mapToSource(proxyIndex);
FieldTreeItem *item = static_cast<FieldTreeItem *>(index.internalPointer());
QVariant value = proxyIndex.model()->data(proxyIndex, Qt::EditRole);
FieldTreeItem *item = static_cast<FieldTreeItem *>(index.data(Qt::UserRole).value<void *>());
QVariant value = index.model()->data(index, Qt::EditRole);
item->setEditorValue(editor, value);
}
void BrowserItemDelegate::setModelData(QWidget *editor, QAbstractItemModel *model,
const QModelIndex &proxyIndex) const
const QModelIndex &index) const
{
QModelIndex index = proxyModel->mapToSource(proxyIndex);
FieldTreeItem *item = static_cast<FieldTreeItem *>(index.internalPointer());
FieldTreeItem *item = static_cast<FieldTreeItem *>(index.data(Qt::UserRole).value<void *>());
QVariant value = item->getEditorValue(editor);
bool ret = model->setData(proxyIndex, value, Qt::EditRole);
bool ret = model->setData(index, value, Qt::EditRole);
Q_ASSERT(ret);
}
void BrowserItemDelegate::updateEditorGeometry(QWidget *editor,
const QStyleOptionViewItem &option, const QModelIndex & /* index */) const
const QStyleOptionViewItem &option, const QModelIndex &index) const
{
Q_UNUSED(index);
editor->setGeometry(option.rect);
}

12
ground/gcs/src/plugins/uavobjectbrowser/browseritemdelegate.h
View File

@ -31,12 +31,10 @@
#include <QStyledItemDelegate>
class TreeSortFilterProxyModel;
class BrowserItemDelegate : public QStyledItemDelegate {
Q_OBJECT
public:
explicit BrowserItemDelegate(TreeSortFilterProxyModel *proxyModel, QObject *parent = 0);
explicit BrowserItemDelegate(QObject *parent = 0);
QWidget *createEditor(QWidget *parent, const QStyleOptionViewItem &option,
const QModelIndex &index) const;
@ -49,14 +47,6 @@ public:
const QStyleOptionViewItem &option, const QModelIndex &index) const;
QSize sizeHint(const QStyleOptionViewItem & option,
const QModelIndex &index) const;
signals:
public slots:
private:
TreeSortFilterProxyModel *proxyModel;
};
#endif // BROWSERITEMDELEGATE_H

15
ground/gcs/src/plugins/uavobjectbrowser/uavobjectbrowserwidget.cpp
View File

@ -56,8 +56,7 @@ UAVObjectBrowserWidget::UAVObjectBrowserWidget(QWidget *parent) : QWidget(parent
m_browser->treeView->setModel(m_modelProxy);
m_browser->treeView->setColumnWidth(0, 300);
BrowserItemDelegate *m_delegate = new BrowserItemDelegate(m_modelProxy);
m_browser->treeView->setItemDelegate(m_delegate);
m_browser->treeView->setItemDelegate(new BrowserItemDelegate());
m_browser->treeView->setEditTriggers(QAbstractItemView::AllEditTriggers);
m_browser->treeView->setSelectionBehavior(QAbstractItemView::SelectItems);
m_mustacheTemplate = loadFileIntoString(QString(":/uavobjectbrowser/resources/uavodescription.mustache"));
@ -191,8 +190,8 @@ void UAVObjectBrowserWidget::requestUpdate()
ObjectTreeItem *UAVObjectBrowserWidget::findCurrentObjectTreeItem()
{
QModelIndex current = m_modelProxy->mapToSource(m_browser->treeView->currentIndex());
TreeItem *item = static_cast<TreeItem *>(current.internalPointer());
QModelIndex current = m_browser->treeView->currentIndex();
TreeItem *item = static_cast<TreeItem *>(current.data(Qt::UserRole).value<void *>());
ObjectTreeItem *objItem = 0;
while (item) {
@ -277,11 +276,9 @@ void UAVObjectBrowserWidget::currentChanged(const QModelIndex &current, const QM
{
Q_UNUSED(previous);
QModelIndex cindex = m_modelProxy->mapToSource(current);
TreeItem *item = static_cast<TreeItem *>(cindex.internalPointer());
bool enable = true;
if (cindex == QModelIndex()) {
TreeItem *item = static_cast<TreeItem *>(current.data(Qt::UserRole).value<void *>());
bool enable = true;
if (!current.isValid()) {
enable = false;
}
TopTreeItem *top = dynamic_cast<TopTreeItem *>(item);