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authortpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2011-07-04 22:38:03 +0000
committertpearson <tpearson@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2011-07-04 22:38:03 +0000
commitdadc34655c3ab961b0b0b94a10eaaba710f0b5e8 (patch)
tree99e72842fe687baea16376a147619b6048d7e441 /kmymoney2/widgets/klistviewsearchline.h
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Added kmymoney
git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/kmymoney@1239792 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/* This file is part of the KDE libraries
+ Copyright (c) 2003 Scott Wheeler <wheeler@kde.org>
+ Adapted to be used with KMyMoney under KDE 3.2 .. 3.4
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public
+ License version 2 as published by the Free Software Foundation.
+
+ 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 KLISTVIEWSEARCHLINE_H
+#define KLISTVIEWSEARCHLINE_H
+
+#include <klineedit.h>
+#include <qhbox.h>
+#include <kmymoney/export.h>
+
+class KListView;
+class QListViewItem;
+class QToolButton;
+
+/**
+ * This class makes it easy to add a search line for filtering the items in a
+ * listview based on a simple text search.
+ *
+ * No changes to the application other than instantiating this class with an
+ * appropriate KListView should be needed.
+ *
+ * @since 3.3
+ */
+
+class KMYMONEY_EXPORT KListViewSearchLine : public KLineEdit
+{
+ Q_OBJECT
+
+public:
+
+ /**
+ * Constructs a KListViewSearchLine with \a listView being the KListView to
+ * be filtered.
+ *
+ * If \a listView is null then the widget will be disabled until a listview
+ * is set with setListView().
+ */
+ KListViewSearchLine(QWidget *parent = 0, KListView *listView = 0, const char *name = 0);
+
+ /**
+ * Constructs a KListViewSearchLine without any KListView to filter. The
+ * KListView object has to be set later with setListView().
+ */
+ KListViewSearchLine(QWidget *parent, const char *name);
+
+ /**
+ * Destroys the KListViewSearchLine.
+ */
+ virtual ~KListViewSearchLine();
+
+ /**
+ * Returns true if the search is case sensitive. This defaults to false.
+ *
+ * @see setCaseSensitive()
+ */
+ bool caseSensitive() const;
+
+ /**
+ * Returns the current list of columns that will be searched. If the
+ * returned list is empty all visible columns will be searched.
+ *
+ * @see setSearchColumns
+ */
+ QValueList<int> searchColumns() const;
+
+ /**
+ * If this is true (the default) then the parents of matched items will also
+ * be shown.
+ *
+ * @see setKeepParentsVisible()
+ */
+ bool keepParentsVisible() const;
+
+ /**
+ * Returns the listview that is currently filtered by the search.
+ *
+ * @see setListView()
+ */
+ KListView *listView() const;
+
+public slots:
+ /**
+ * Updates search to only make visible the items that match \a s. If
+ * \a s is null then the line edit's text will be used.
+ */
+ virtual void updateSearch(const QString &s = QString::null);
+
+ /**
+ * Make the search case sensitive or case insensitive.
+ *
+ * @see caseSenstive()
+ */
+ void setCaseSensitive(bool cs);
+
+ /**
+ * When a search is active on a list that's organized into a tree view if
+ * a parent or ancesestor of an item is does not match the search then it
+ * will be hidden and as such so too will any children that match.
+ *
+ * If this is set to true (the default) then the parents of matching items
+ * will be shown.
+ *
+ * @see keepParentsVisible
+ */
+ void setKeepParentsVisible(bool v);
+
+ /**
+ * Sets the list of columns to be searched. The default is to search all,
+ * visible columns which can be restored by passing \a columns as an empty
+ * list.
+ *
+ * @see searchColumns
+ */
+ void setSearchColumns(const QValueList<int> &columns);
+
+ /**
+ * Sets the KListView that is filtered by this search line. If \a lv is null
+ * then the widget will be disabled.
+ *
+ * @see listView()
+ */
+ void setListView(KListView *lv);
+
+protected:
+
+ /**
+ * Returns true if \a item matches the search \a s. This will be evaluated
+ * based on the value of caseSensitive(). This can be overridden in
+ * subclasses to implement more complicated matching schemes.
+ */
+ virtual bool itemMatches(const QListViewItem *item, const QString &s) const;
+
+ /**
+ * Re-implemented for internal reasons. API not affected.
+ *
+ * See QLineEdit::mousePressEvent().
+ */
+ virtual QPopupMenu *createPopupMenu();
+
+protected slots:
+ /**
+ * When keys are pressed a new search string is created and a timer is
+ * activated. The most recent search is activated when this timer runs out
+ * if another key has not yet been pressed.
+ *
+ * This method makes @param search the most recent search and starts the
+ * timer.
+ *
+ * Together with activateSearch() this makes it such that searches are not
+ * started until there is a short break in the users typing.
+ *
+ * @see activateSearch()
+ */
+ void queueSearch(const QString &search);
+
+ /**
+ * When the timer started with queueSearch() expires this slot is called.
+ * If there has been another timer started then this slot does nothing.
+ * However if there are no other pending searches this starts the list view
+ * search.
+ *
+ * @see queueSearch()
+ */
+ void activateSearch();
+
+private:
+
+ /**
+ * This is used in case parent items of matching items shouldn't be
+ * visible. It hides all items that don't match the search string.
+ */
+ void checkItemParentsNotVisible();
+
+ /**
+ * This is used in case parent items of matching items should be visible.
+ * It makes a recursive call to all children. It returns true if at least
+ * one item in the subtree with the given root item is visible.
+ */
+ bool checkItemParentsVisible(QListViewItem *item, QListViewItem *highestHiddenParent = 0);
+
+private slots:
+ void itemAdded(QListViewItem *item) const;
+ void listViewDeleted();
+ void searchColumnsMenuActivated(int);
+
+private:
+ class KListViewSearchLinePrivate;
+ KListViewSearchLinePrivate *d;
+};
+
+/**
+ * Creates a widget featuring a KListViewSearchLine, a label with the text
+ * "Search" and a button to clear the search.
+ *
+ * @since 3.4
+ */
+class KMYMONEY_EXPORT KListViewSearchLineWidget : public QHBox
+{
+ Q_OBJECT
+
+public:
+ /**
+ * Creates a KListViewSearchLineWidget for \a listView with \a parent as the
+ * parent with and \a name.
+ */
+ KListViewSearchLineWidget(KListView *listView = 0, QWidget *parent = 0,
+ const char *name = 0);
+
+ /**
+ * Destroys the KListViewSearchLineWidget
+ */
+ ~KListViewSearchLineWidget();
+
+ /**
+ * Creates the search line. This can be useful to reimplement in cases where
+ * a KListViewSearchLine subclass is used.
+ */
+ virtual KListViewSearchLine *createSearchLine(KListView *listView);
+
+ /**
+ * Returns a pointer to the search line.
+ */
+ KListViewSearchLine *searchLine() const;
+
+protected slots:
+ /**
+ * Creates the widgets inside of the widget. This is called from the
+ * constructor via a single shot timer so that it it guaranteed to run
+ * after construction is complete. This makes it suitable for overriding in
+ * subclasses.
+ */
+ virtual void createWidgets();
+
+private slots:
+ void positionInToolBar();
+
+private:
+ class KListViewSearchLineWidgetPrivate;
+ KListViewSearchLineWidgetPrivate *d;
+};
+
+#endif