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preserve the expand/collapse state while switching notebook

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Signed-off-by: Le Tan <tamlokveer@gmail.com>
This commit is contained in:
Le Tan 2016-12-23 22:12:17 +08:00
parent 52af2ef9e9
commit d4fe99b8bb
4 changed files with 42 additions and 3 deletions
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12
src/vdirectory.cpp
View File

@ -9,7 +9,8 @@
VDirectory::VDirectory(VNotebook *p_notebook,
const QString &p_name, QObject *p_parent)
: QObject(p_parent), m_notebook(p_notebook), m_name(p_name), m_opened(false)
: QObject(p_parent), m_notebook(p_notebook), m_name(p_name), m_opened(false),
m_expanded(false)
{
}
@ -572,3 +573,12 @@ VDirectory *VDirectory::copyDirectory(VDirectory *p_destDir, const QString &p_de
}
return destDir;
}
void VDirectory::setExpanded(bool p_expanded)
{
if (p_expanded) {
Q_ASSERT(m_opened);
}
m_expanded = p_expanded;
}

9
src/vdirectory.h
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@ -55,6 +55,8 @@ public:
inline QString retrivePath() const;
inline QString retriveRelativePath() const;
inline QString getNotebook() const;
inline bool isExpanded() const;
void setExpanded(bool p_expanded);
static QJsonObject createDirectoryJson();
@ -73,6 +75,8 @@ private:
// Owner of the files
QVector<VFile *> m_files;
bool m_opened;
// Whether expanded in the directory tree.
bool m_expanded;
};
inline const QVector<VDirectory *> &VDirectory::getSubDirs() const
@ -125,4 +129,9 @@ inline QString VDirectory::retriveRelativePath() const
return retriveRelativePath(this);
}
inline bool VDirectory::isExpanded() const
{
return m_expanded;
}
#endif // VDIRECTORY_H

20
src/vdirectorytree.cpp
View File

@ -17,7 +17,9 @@ VDirectoryTree::VDirectoryTree(VNote *vnote, QWidget *parent)
initActions();
connect(this, SIGNAL(itemExpanded(QTreeWidgetItem*)),
this, SLOT(updateChildren(QTreeWidgetItem*)));
this, SLOT(handleItemExpanded(QTreeWidgetItem*)));
connect(this, SIGNAL(itemCollapsed(QTreeWidgetItem*)),
this, SLOT(handleItemCollapsed(QTreeWidgetItem*)));
connect(this, SIGNAL(customContextMenuRequested(QPoint)),
this, SLOT(contextMenuRequested(QPoint)));
connect(this, &VDirectoryTree::currentItemChanged,
@ -145,6 +147,22 @@ void VDirectoryTree::updateDirectoryTreeOne(QTreeWidgetItem *p_parent, int depth
updateDirectoryTreeOne(item, depth - 1);
}
if (dir->isExpanded()) {
expandItem(p_parent);
}
}
void VDirectoryTree::handleItemCollapsed(QTreeWidgetItem *p_item)
{
VDirectory *dir = getVDirectory(p_item);
dir->setExpanded(false);
}
void VDirectoryTree::handleItemExpanded(QTreeWidgetItem *p_item)
{
updateChildren(p_item);
VDirectory *dir = getVDirectory(p_item);
dir->setExpanded(true);
}
// Update @p_item's children items

4
src/vdirectorytree.h
View File

@ -30,7 +30,8 @@ public slots:
void updateDirectoryTree();
private slots:
void updateChildren(QTreeWidgetItem *p_item);
void handleItemExpanded(QTreeWidgetItem *p_item);
void handleItemCollapsed(QTreeWidgetItem *p_item);
void contextMenuRequested(QPoint pos);
void newSubDirectory();
void currentDirectoryItemChanged(QTreeWidgetItem *currentItem);
@ -57,6 +58,7 @@ private:
void pasteDirectories(VDirectory *p_destDir);
bool copyDirectory(VDirectory *p_destDir, const QString &p_destName,
VDirectory *p_srcDir, bool p_cut);
void updateChildren(QTreeWidgetItem *p_item);
VNote *vnote;
QPointer<VNotebook> m_notebook;