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author | Petr Mrázek <peterix@gmail.com> | 2013-08-17 13:40:51 +0200 |
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committer | Petr Mrázek <peterix@gmail.com> | 2013-08-17 13:40:51 +0200 |
commit | 253067c782955380bbf66ac0475dc954375b1ff4 (patch) | |
tree | ca97e231fd3a764256d95b5fc8d08fc25ff72161 /libgroupview/include/categorizedview.h | |
parent | 77e80665422c4e97e2286418ab55e20c4030023b (diff) | |
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Move all the things (YES. Move them.)
Also, implemented some basic modlist logic, to be wired up.
Diffstat (limited to 'libgroupview/include/categorizedview.h')
-rw-r--r-- | libgroupview/include/categorizedview.h | 332 |
1 files changed, 0 insertions, 332 deletions
diff --git a/libgroupview/include/categorizedview.h b/libgroupview/include/categorizedview.h deleted file mode 100644 index 243ccf15..00000000 --- a/libgroupview/include/categorizedview.h +++ /dev/null @@ -1,332 +0,0 @@ -/** - * This file is part of the KDE project - * Copyright (C) 2007, 2009 Rafael Fernández López <ereslibre@kde.org> - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public License - * along with this library; see the file COPYING.LIB. If not, write to - * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - * Boston, MA 02110-1301, USA. - */ - -#ifndef KCATEGORIZEDVIEW_H -#define KCATEGORIZEDVIEW_H - -#include <QListView> - -#include <libgroupview_config.h> - -class KCategoryDrawer; - -/** - * @short Item view for listing items in a categorized fashion optionally - * - * KCategorizedView basically has the same functionality as QListView, only that it also lets you - * layout items in a way that they are categorized visually. - * - * For it to work you will need to set a KCategorizedSortFilterProxyModel and a KCategoryDrawer - * with methods setModel() and setCategoryDrawer() respectively. Also, the model will need to be - * flagged as categorized with KCategorizedSortFilterProxyModel::setCategorizedModel(true). - * - * The way it works (if categorization enabled): - * - * - When sorting, it does more things than QListView does. It will ask the model for the - * special role CategorySortRole (@see KCategorizedSortFilterProxyModel). This can return - * a QString or an int in order to tell the view the order of categories. In this sense, for - * instance, if we are sorting by name ascending, "A" would be before than "B". If we are - * sorting by size ascending, 512 bytes would be before 1024 bytes. This way categories are - * also sorted. - * - * - When the view has to paint, it will ask the model with the role CategoryDisplayRole - * (@see KCategorizedSortFilterProxyModel). It will for instance return "F" for "foo.pdf" if - * we are sorting by name ascending, or "Small" if a certain item has 100 bytes, for example. - * - * For drawing categories, KCategoryDrawer will be used. You can inherit this class to do your own - * drawing. - * - * @note All examples cited before talk about filesystems and such, but have present that this - * is a completely generic class, and it can be used for whatever your purpose is. For - * instance when talking about animals, you can separate them by "Mammal" and "Oviparous". In - * this very case, for example, the CategorySortRole and the CategoryDisplayRole could be the - * same ("Mammal" and "Oviparous"). - * - * @note There is a really performance boost if CategorySortRole returns an int instead of a QString. - * Have present that this role is asked (n * log n) times when sorting and compared. Comparing - * ints is always faster than comparing strings, whithout mattering how fast the string - * comparison is. Consider thinking of a way of returning ints instead of QStrings if your - * model can contain a high number of items. - * - * @warning Note that for really drawing items in blocks you will need some things to be done: - * - The model set to this view has to be (or inherit if you want to do special stuff - * in it) KCategorizedSortFilterProxyModel. - * - This model needs to be set setCategorizedModel to true. - * - Set a category drawer by calling setCategoryDrawer. - * - * @see KCategorizedSortFilterProxyModel, KCategoryDrawer - * - * @author Rafael Fernández López <ereslibre@kde.org> - */ -class LIBGROUPVIEW_EXPORT KCategorizedView - : public QListView -{ - Q_OBJECT - Q_PROPERTY ( int categorySpacing READ categorySpacing WRITE setCategorySpacing ) - Q_PROPERTY ( bool alternatingBlockColors READ alternatingBlockColors WRITE setAlternatingBlockColors ) - Q_PROPERTY ( bool collapsibleBlocks READ collapsibleBlocks WRITE setCollapsibleBlocks ) - -public: - KCategorizedView ( QWidget *parent = 0 ); - - ~KCategorizedView(); - - /** - * Reimplemented from QAbstractItemView. - */ - virtual void setModel ( QAbstractItemModel *model ); - - /** - * Calls to setGridSizeOwn(). - */ - void setGridSize ( const QSize &size ); - - /** - * @warning note that setGridSize is not virtual in the base class (QListView), so if you are - * calling to this method, make sure you have a KCategorizedView pointer around. This - * means that something like: - * @code - * QListView *lv = new KCategorizedView(); - * lv->setGridSize(mySize); - * @endcode - * - * will not call to the expected setGridSize method. Instead do something like this: - * - * @code - * QListView *lv; - * ... - * KCategorizedView *cv = qobject_cast<KCategorizedView*>(lv); - * if (cv) { - * cv->setGridSizeOwn(mySize); - * } else { - * lv->setGridSize(mySize); - * } - * @endcode - * - * @note this method will call to QListView::setGridSize among other operations. - * - * @since 4.4 - */ - void setGridSizeOwn ( const QSize &size ); - - /** - * Reimplemented from QAbstractItemView. - */ - virtual QRect visualRect ( const QModelIndex &index ) const; - - /** - * Returns the current category drawer. - */ - KCategoryDrawer *categoryDrawer() const; - - /** - * The category drawer that will be used for drawing categories. - */ - void setCategoryDrawer ( KCategoryDrawer *categoryDrawer ); - - /** - * @return Category spacing. The spacing between categories. - * - * @since 4.4 - */ - int categorySpacing() const; - - /** - * Stablishes the category spacing. This is the spacing between categories. - * - * @since 4.4 - */ - void setCategorySpacing ( int categorySpacing ); - - /** - * @return Whether blocks should be drawn with alternating colors. - * - * @since 4.4 - */ - bool alternatingBlockColors() const; - - /** - * Sets whether blocks should be drawn with alternating colors. - * - * @since 4.4 - */ - void setAlternatingBlockColors ( bool enable ); - - /** - * @return Whether blocks can be collapsed or not. - * - * @since 4.4 - */ - bool collapsibleBlocks() const; - - /** - * Sets whether blocks can be collapsed or not. - * - * @since 4.4 - */ - void setCollapsibleBlocks ( bool enable ); - - /** - * @return Block of indexes that are into @p category. - * - * @since 4.5 - */ - QModelIndexList block ( const QString &category ); - - /** - * @return Block of indexes that are represented by @p representative. - * - * @since 4.5 - */ - QModelIndexList block ( const QModelIndex &representative ); - - /** - * Reimplemented from QAbstractItemView. - */ - virtual QModelIndex indexAt ( const QPoint &point ) const; - - /** - * Reimplemented from QAbstractItemView. - */ - virtual void reset(); - - /** - * Signify that all item delegates size hints return the same fixed size - */ - void setUniformItemWidths(bool enable); - - /** - * Do all item delegate size hints return the same fixed size? - */ - bool uniformItemWidths() const; - -protected: - /** - * Reimplemented from QWidget. - */ - virtual void paintEvent ( QPaintEvent *event ); - - /** - * Reimplemented from QWidget. - */ - virtual void resizeEvent ( QResizeEvent *event ); - - /** - * Reimplemented from QAbstractItemView. - */ - virtual void setSelection ( const QRect &rect, - QItemSelectionModel::SelectionFlags flags ); - - /** - * Reimplemented from QWidget. - */ - virtual void mouseMoveEvent ( QMouseEvent *event ); - - /** - * Reimplemented from QWidget. - */ - virtual void mousePressEvent ( QMouseEvent *event ); - - /** - * Reimplemented from QWidget. - */ - virtual void mouseReleaseEvent ( QMouseEvent *event ); - - /** - * Reimplemented from QWidget. - */ - virtual void leaveEvent ( QEvent *event ); - - /** - * Reimplemented from QAbstractItemView. - */ - virtual void startDrag ( Qt::DropActions supportedActions ); - - /** - * Reimplemented from QAbstractItemView. - */ - virtual void dragMoveEvent ( QDragMoveEvent *event ); - - /** - * Reimplemented from QAbstractItemView. - */ - virtual void dragEnterEvent ( QDragEnterEvent *event ); - - /** - * Reimplemented from QAbstractItemView. - */ - virtual void dragLeaveEvent ( QDragLeaveEvent *event ); - - /** - * Reimplemented from QAbstractItemView. - */ - virtual void dropEvent ( QDropEvent *event ); - - /** - * Reimplemented from QAbstractItemView. - */ - virtual QModelIndex moveCursor ( CursorAction cursorAction, - Qt::KeyboardModifiers modifiers ); - - /** - * Reimplemented from QAbstractItemView. - */ - virtual void rowsAboutToBeRemoved ( const QModelIndex &parent, - int start, - int end ); - - /** - * Reimplemented from QAbstractItemView. - */ - virtual void updateGeometries(); - - /** - * Reimplemented from QAbstractItemView. - */ - virtual void currentChanged ( const QModelIndex ¤t, - const QModelIndex &previous ); - - /** - * Reimplemented from QAbstractItemView. - */ - virtual void dataChanged ( const QModelIndex &topLeft, - const QModelIndex &bottomRight ); - - /** - * Reimplemented from QAbstractItemView. - */ - virtual void rowsInserted ( const QModelIndex &parent, - int start, - int end ); - -protected Q_SLOTS: - /** - * @internal - * Reposition items as needed. - */ - virtual void slotLayoutChanged(); - virtual void slotCollapseOrExpandClicked ( QModelIndex ); - -private: - class Private; - Private *const d; -}; - -#endif // KCATEGORIZEDVIEW_H |