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//
// C++ Interface: treeview
//
// Description:
//
//
// Author: Paulo Moura Guedes <moura@tdewebdev.org>, (C) 2004
//
// Copyright: See COPYING file that comes with this distribution
//
//
#ifndef TREEVIEW_H
#define TREEVIEW_H
#include <klistview.h>
#include "resultview.h"
class TreeViewItem;
class TreeColumnViewItem;
class LinkMatcher;
/**
@author Paulo Moura Guedes
TreeView and TreeViewItem and currently a little messes up in its API
because of ResultView. ResultView class was to be the base interface to
a TQTable and a TQListView, but the APIs are a little diferent... then I realize
that a TQTable view isn't needed at all so some day I will clean this up.
*/
class TreeView : public KListView, public ResultView
{
Q_OBJECT
public:
TreeView(TQWidget *parent = 0, const char *name = 0);
~TreeView();
virtual void setColumns(TQStringList const& columns);
virtual void clear();
void removeColunas();
virtual void show(ResultView::Status const& status);
void show(LinkMatcher link_matcher);
virtual void showAll();
void setTreeDisplay(bool tree_display);
/**
If tree_display is false the view scrolls to follow the last link inserted,
except if the user scrolls the view up (like Konsole).
If tree_view, it follows always the last link inserted.
*/
void ensureRowVisible(const TQListViewItem * i, bool tree_display);
virtual bool isEmpty() const;
TreeViewItem* myItem(TQListViewItem* item) const;
protected:
virtual void resizeEvent(TQResizeEvent *e);
private slots:
void slotPopupContextMenu(TQListViewItem *, const TQPoint &, int);
virtual void slotCopyUrlToClipboard() const;
virtual void slotCopyParentUrlToClipboard() const;
virtual void slotCopyCellTextToClipboard() const;
virtual void slotEditReferrersWithQuanta();
virtual void slotEditReferrerWithQuanta(int id);
virtual void slotEditReferrerWithQuanta(KURL const& url);
virtual void slotViewUrlInBrowser();
virtual void slotViewParentUrlInBrowser();
virtual void loadContextTableMenu(TQValueVector<KURL> const& referrers, bool is_root = false);
private:
void resetColumns();
double columnsWidth() const;
private:
int current_column_; // apparently it's impossible to know what is the current column
bool tree_display_;
};
inline void TreeView::setTreeDisplay(bool tree_display) {
tree_display_ = tree_display;
setRootIsDecorated(tree_display_);
}
/* ******************************* TreeViewItem ******************************* */
class TreeViewItem: public KListViewItem
{
public:
TreeViewItem(TreeView* parent, TQListViewItem* after,
LinkStatus const* linkstatus);
TreeViewItem(TreeView* root, TQListViewItem* parent_item, TQListViewItem* after,
LinkStatus const* linkstatus);
virtual ~TreeViewItem();
void setLastChild(TQListViewItem* last_child);
TQListViewItem* lastChild() const;
TQString key(int column, bool) const;
LinkStatus const* linkStatus() const;
protected:
virtual void paintCell(TQPainter * p, const TQColorGroup & cg, int column, int width, int align);
private:
void init(LinkStatus const* linkstatus);
private:
TQValueVector<TreeColumnViewItem> column_items_;
TQListViewItem* last_child_;
TreeView* root_;
};
/* ******************************* TreeColumnViewItem ******************************* */
class TreeColumnViewItem
{
public:
TreeColumnViewItem()
{}
;
TreeColumnViewItem(TreeView* root, LinkStatus const* linkstatus, int column_index);
~TreeColumnViewItem();
//void setColumnIndex(int i);
int columnIndex() const;
LinkStatus const* linkStatus() const;
TQColor const& textStatusColor() const;
TQString text(int column) const;
TQPixmap pixmap(int column) const;
private:
TreeView* root_;
LinkStatus const* ls_;
int column_index_;
};
#endif
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