Added KDE3 version of Tellico

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/tellico@1097620 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 180 insertions, 0 deletions

diff --git a/src/gui/listview.h b/src/gui/listview.h
new file mode 100644
index 0000000..4c5ade7
--- /dev/null
+++ b/src/gui/listview.h
@@ -0,0 +1,180 @@
+/***************************************************************************
+    copyright            : (C) 2001-2006 by Robby Stephenson
+    email                : [email protected]
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of version 2 of the GNU General Public License as  *
+ *   published by the Free Software Foundation;                            *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef TELLICO_LISTVIEW_H
+#define TELLICO_LISTVIEW_H
+
+#include "../datavectors.h"
+#include "../listviewcomparison.h"
+
+#include <klistview.h>
+#include <kdeversion.h>
+
+#include <qdict.h>
+
+namespace Tellico {
+  class ListViewComparison;
+  namespace GUI {
+
+class ListViewItem;
+typedef QPtrList<ListViewItem> ListViewItemList;
+typedef QPtrListIterator<ListViewItem> ListViewItemListIt;
+
+/**
+ * A ListView keeps track of the selected items and allows subclasses to determine
+ * whether child items may be selected or not. In addition, it provides alternating
+ * background colors and shaded sort columns.
+ *
+ * @see GroupView
+ * @see DetailedListView
+ *
+ * @author Robby Stephenson
+ */
+class ListView : public KListView {
+Q_OBJECT
+
+friend class ListViewItem; // needed so the ListViewItem d'tor can update selection list
+
+public:
+  enum SortStyle {
+    SortByText = 0, // don't change these values, they're saved as ints in the config
+    SortByCount = 1
+  };
+
+  ListView(QWidget* parent, const char* name = 0);
+  virtual ~ListView();
+
+  void clearSelection();
+  /**
+   * Returns a list of the currently selected items;
+   *
+   * @return The list of selected items
+   */
+  const ListViewItemList& selectedItems() const { return m_selectedItems; }
+  /**
+   * Used to determine whether an item may be selected without having to setSelectable on
+   * every child item.
+   *
+   * @return Whether the item may be selected
+   */
+  virtual bool isSelectable(ListViewItem*) const;
+  SortStyle sortStyle() const { return m_sortStyle; }
+  void setSortStyle(SortStyle style) { m_sortStyle = style; }
+
+  int firstVisibleColumn() const;
+  int lastVisibleColumn() const;
+
+  virtual void setColumnText(int column, const QString& label);
+
+  void setComparison(int column, ListViewComparison* comp);
+  void removeComparison(int column);
+  void clearComparisons();
+  virtual int compare(int col, const GUI::ListViewItem* item1, GUI::ListViewItem* item2, bool asc);
+
+#if !KDE_IS_VERSION(3,3,90)
+  // taken from KDE bug 59791
+  void setShadeSortColumn(bool shade_);
+  bool shadeSortColumn() const { return m_shadeSortColumn; }
+  const QColor& background2() const { return m_backColor2; }
+  const QColor& alternateBackground2() const { return m_altColor2; }
+#endif
+
+protected slots:
+  /**
+   * Handles everything when an item is selected. The proper signal is emitted, depending
+   * on whether the item refers to a collection, a group, or a entry.
+   */
+  virtual void slotSelectionChanged();
+
+protected:
+  virtual void drawContentsOffset(QPainter* p, int ox, int oy, int cx, int cy, int cw, int ch);
+
+private slots:
+  void slotUpdateColors();
+  void slotDoubleClicked(QListViewItem* item);
+
+private:
+  /**
+   * Updates the pointer list.
+   *
+   * @param item The item being selected or deselected
+   * @param s Selected or not
+   */
+  void updateSelected(ListViewItem* item, bool s);
+
+  SortStyle m_sortStyle;
+  bool m_isClear;
+  ListViewItemList m_selectedItems;
+  QDict<ListViewComparison> m_comparisons;
+#if !KDE_IS_VERSION(3,3,90)
+  bool m_shadeSortColumn;
+  QColor m_backColor2;
+  QColor m_altColor2;
+#endif
+};
+
+/**
+ * The ListViewItem keeps track of what kind of specialized listview item it is, as
+ * well as taking care of the selection tracking.
+ *
+ * @author Robby Stephenson
+ */
+class ListViewItem : public KListViewItem {
+public:
+  ListViewItem(ListView* parent) : KListViewItem(parent), m_sortWeight(-1) {}
+  ListViewItem(ListView* parent, QListViewItem* after) : KListViewItem(parent, after), m_sortWeight(-1) {}
+  ListViewItem(ListViewItem* parent) : KListViewItem(parent), m_sortWeight(-1) {}
+  ListViewItem(ListView* parent, const QString& text) : KListViewItem(parent, text), m_sortWeight(-1) {}
+  ListViewItem(ListViewItem* parent, const QString& text) : KListViewItem(parent, text), m_sortWeight(-1) {}
+  virtual ~ListViewItem();
+
+  virtual int realChildCount() const { return childCount(); }
+  virtual void clear();
+
+  virtual bool isEntryGroupItem() const { return false; }
+  virtual bool isEntryItem() const { return false; }
+  virtual bool isFilterItem() const { return false; }
+  virtual bool isBorrowerItem() const { return false; }
+  virtual bool isLoanItem() const { return false; }
+
+  int sortWeight() const { return m_sortWeight; }
+  void setSortWeight(int w) { m_sortWeight = w; }
+  virtual int compare(QListViewItem* item, int col, bool ascending) const;
+
+  virtual void setSelected(bool selected);
+  /**
+   * Returns the background color for the column, which depends on whether the item
+   * is an alternate row and whether the column is selected.
+   *
+   * @param column The column number
+   * @param alternate The alternate row color can be forced
+   */
+  virtual QColor backgroundColor(int column); // not virtual in KListViewItem!!!
+  virtual void paintCell(QPainter* painter, const QColorGroup& colorGroup,
+                         int column, int width, int alignment);
+
+  ListView* listView () const { return static_cast<ListView*>(KListViewItem::listView()); }
+
+  virtual void doubleClicked() {}
+  virtual Data::EntryVec entries() const;
+
+private:
+  int compareWeight(QListViewItem* item, int col, bool ascending) const;
+
+  int m_sortWeight;
+};
+
+  } // end namespace
+} // end namespace
+
+#endif